Upgrade Harfbuzz to 11.0.0

[ChangeLog][Third-Party Code] Upgraded Harfbuzz to version
11.0.0.

Pick-to: 6.8 6.5 5.15
Fixes: QTBUG-135373
Change-Id: If4a530ec43f5992141945d7ad86268e838cc0230
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
(cherry picked from commit 98e0a7e0a067c6aacf9d61295bd36d290b150d51)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Eskil Abrahamsen Blomfeldt 2025-04-01 07:47:58 +02:00 committed by Qt Cherry-pick Bot
parent 53a687e5c3
commit a1b4480c53
91 changed files with 4763 additions and 2928 deletions

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@ -15,6 +15,7 @@ qt_internal_add_3rdparty_library(BundledHarfbuzz
src/hb-aat-map.cc src/hb-aat-map.cc
src/hb-algs.hh src/hb-algs.hh
src/hb-atomic.hh src/hb-atomic.hh
src/hb-bit-vector.hh
src/hb-blob.cc src/hb-blob.h src/hb-blob.cc src/hb-blob.h
src/hb-buffer.cc src/hb-buffer.h src/hb-buffer.hh src/hb-buffer.cc src/hb-buffer.h src/hb-buffer.hh
src/hb-buffer-deserialize-json.hh src/hb-buffer-deserialize-json.hh

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@ -51,6 +51,8 @@ For custom configurations, see [CONFIG.md](CONFIG.md).
For testing and profiling, see [TESTING.md](TESTING.md). For testing and profiling, see [TESTING.md](TESTING.md).
For cross-compiling to Windows from Linux or macOS, see [README.mingw.md](README.mingw.md).
To get a better idea of where HarfBuzz stands in the text rendering stack you To get a better idea of where HarfBuzz stands in the text rendering stack you
may want to read [State of Text Rendering 2024][6]. may want to read [State of Text Rendering 2024][6].
Here are a few presentation slides about HarfBuzz at the Here are a few presentation slides about HarfBuzz at the

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@ -7,8 +7,8 @@
"Description": "HarfBuzz is an OpenType text shaping engine.", "Description": "HarfBuzz is an OpenType text shaping engine.",
"Homepage": "http://harfbuzz.org", "Homepage": "http://harfbuzz.org",
"Version": "10.4.0", "Version": "11.0.0",
"DownloadLocation": "https://github.com/harfbuzz/harfbuzz/releases/tag/10.4.0", "DownloadLocation": "https://github.com/harfbuzz/harfbuzz/releases/tag/11.0.0",
"PURL": "pkg:github/harfbuzz/harfbuzz@$<VERSION>", "PURL": "pkg:github/harfbuzz/harfbuzz@$<VERSION>",
"CPE": "cpe:2.3:a:harfbuzz_project:harfbuzz:$<VERSION>:*:*:*:*:*:*:*", "CPE": "cpe:2.3:a:harfbuzz_project:harfbuzz:$<VERSION>:*:*:*:*:*:*:*",
"License": "MIT License", "License": "MIT License",

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@ -47,6 +47,11 @@ namespace OT {
struct hb_paint_context_t; struct hb_paint_context_t;
} }
struct hb_colr_scratch_t
{
hb_paint_extents_context_t paint_extents;
};
namespace OT { namespace OT {
struct COLR; struct COLR;
@ -90,7 +95,8 @@ public:
font (font_), font (font_),
palette ( palette (
#ifndef HB_NO_COLOR #ifndef HB_NO_COLOR
font->face->table.CPAL->get_palette_colors (palette_) // https://github.com/harfbuzz/harfbuzz/issues/5116
font->face->table.CPAL->get_palette_colors (palette_ < font->face->table.CPAL->get_palette_count () ? palette_ : 0)
#endif #endif
), ),
foreground (foreground_), foreground (foreground_),
@ -932,9 +938,9 @@ struct PaintGlyph
void paint_glyph (hb_paint_context_t *c) const void paint_glyph (hb_paint_context_t *c) const
{ {
TRACE_PAINT (this); TRACE_PAINT (this);
c->funcs->push_inverse_root_transform (c->data, c->font); c->funcs->push_inverse_font_transform (c->data, c->font);
c->funcs->push_clip_glyph (c->data, gid, c->font); c->funcs->push_clip_glyph (c->data, gid, c->font);
c->funcs->push_root_transform (c->data, c->font); c->funcs->push_font_transform (c->data, c->font);
c->recurse (this+paint); c->recurse (this+paint);
c->funcs->pop_transform (c->data); c->funcs->pop_transform (c->data);
c->funcs->pop_clip (c->data); c->funcs->pop_clip (c->data);
@ -1511,10 +1517,12 @@ struct PaintComposite
void paint_glyph (hb_paint_context_t *c) const void paint_glyph (hb_paint_context_t *c) const
{ {
TRACE_PAINT (this); TRACE_PAINT (this);
c->funcs->push_group (c->data);
c->recurse (this+backdrop); c->recurse (this+backdrop);
c->funcs->push_group (c->data); c->funcs->push_group (c->data);
c->recurse (this+src); c->recurse (this+src);
c->funcs->pop_group (c->data, (hb_paint_composite_mode_t) (int) mode); c->funcs->pop_group (c->data, (hb_paint_composite_mode_t) (int) mode);
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
} }
HBUINT8 format; /* format = 32 */ HBUINT8 format; /* format = 32 */
@ -2079,6 +2087,8 @@ struct COLR
{ {
static constexpr hb_tag_t tableTag = HB_OT_TAG_COLR; static constexpr hb_tag_t tableTag = HB_OT_TAG_COLR;
bool has_data () const { return has_v0_data () || version; }
bool has_v0_data () const { return numBaseGlyphs; } bool has_v0_data () const { return numBaseGlyphs; }
bool has_v1_data () const bool has_v1_data () const
{ {
@ -2112,7 +2122,53 @@ struct COLR
{ {
accelerator_t (hb_face_t *face) accelerator_t (hb_face_t *face)
{ colr = hb_sanitize_context_t ().reference_table<COLR> (face); } { colr = hb_sanitize_context_t ().reference_table<COLR> (face); }
~accelerator_t () { this->colr.destroy (); }
~accelerator_t ()
{
auto *scratch = cached_scratch.get_relaxed ();
if (scratch)
{
scratch->~hb_colr_scratch_t ();
hb_free (scratch);
}
colr.destroy ();
}
bool has_data () const { return colr->has_data (); }
#ifndef HB_NO_PAINT
bool
get_extents (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents) const
{
if (unlikely (!has_data ())) return false;
hb_colr_scratch_t *scratch = acquire_scratch ();
if (unlikely (!scratch)) return true;
bool ret = colr->get_extents (font, glyph, extents, *scratch);
release_scratch (scratch);
return ret;
}
bool paint_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_paint_funcs_t *funcs, void *data,
unsigned int palette_index,
hb_color_t foreground,
bool clip = true) const
{
if (unlikely (!has_data ())) return false;
hb_colr_scratch_t *scratch = acquire_scratch ();
if (unlikely (!scratch)) return true;
bool ret = colr->paint_glyph (font, glyph, funcs, data, palette_index, foreground, clip, *scratch);
release_scratch (scratch);
return ret;
}
#endif
bool is_valid () { return colr.get_blob ()->length; } bool is_valid () { return colr.get_blob ()->length; }
@ -2148,7 +2204,33 @@ struct COLR
{ return colr->get_delta_set_index_map_ptr (); } { return colr->get_delta_set_index_map_ptr (); }
private: private:
hb_colr_scratch_t *acquire_scratch () const
{
hb_colr_scratch_t *scratch = cached_scratch.get_acquire ();
if (!scratch || unlikely (!cached_scratch.cmpexch (scratch, nullptr)))
{
scratch = (hb_colr_scratch_t *) hb_calloc (1, sizeof (hb_colr_scratch_t));
if (unlikely (!scratch))
return nullptr;
}
return scratch;
}
void release_scratch (hb_colr_scratch_t *scratch) const
{
if (!cached_scratch.cmpexch (nullptr, scratch))
{
scratch->~hb_colr_scratch_t ();
hb_free (scratch);
}
}
public:
hb_blob_ptr_t<COLR> colr; hb_blob_ptr_t<COLR> colr;
private:
hb_atomic_t<hb_colr_scratch_t *> cached_scratch;
}; };
void closure_glyphs (hb_codepoint_t glyph, void closure_glyphs (hb_codepoint_t glyph,
@ -2520,7 +2602,10 @@ struct COLR
#ifndef HB_NO_PAINT #ifndef HB_NO_PAINT
bool bool
get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) const get_extents (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
hb_colr_scratch_t &scratch) const
{ {
ItemVarStoreInstancer instancer (get_var_store_ptr (), ItemVarStoreInstancer instancer (get_var_store_ptr (),
@ -2534,10 +2619,10 @@ struct COLR
} }
auto *extents_funcs = hb_paint_extents_get_funcs (); auto *extents_funcs = hb_paint_extents_get_funcs ();
hb_paint_extents_context_t extents_data; scratch.paint_extents.clear ();
bool ret = paint_glyph (font, glyph, extents_funcs, &extents_data, 0, HB_COLOR(0,0,0,0)); bool ret = paint_glyph (font, glyph, extents_funcs, &scratch.paint_extents, 0, HB_COLOR(0,0,0,0), true, scratch);
hb_extents_t e = extents_data.get_extents (); auto e = scratch.paint_extents.get_extents ();
if (e.is_void ()) if (e.is_void ())
{ {
extents->x_bearing = 0; extents->x_bearing = 0;
@ -2547,6 +2632,7 @@ struct COLR
} }
else else
{ {
// Ugh. We need to undo the synthetic slant here. Leave it for now. :-(.
extents->x_bearing = e.xmin; extents->x_bearing = e.xmin;
extents->y_bearing = e.ymax; extents->y_bearing = e.ymax;
extents->width = e.xmax - e.xmin; extents->width = e.xmax - e.xmin;
@ -2583,7 +2669,12 @@ struct COLR
#ifndef HB_NO_PAINT #ifndef HB_NO_PAINT
bool bool
paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data, unsigned int palette_index, hb_color_t foreground, bool clip = true) const paint_glyph (hb_font_t *font,
hb_codepoint_t glyph,
hb_paint_funcs_t *funcs, void *data,
unsigned int palette_index, hb_color_t foreground,
bool clip,
hb_colr_scratch_t &scratch) const
{ {
ItemVarStoreInstancer instancer (get_var_store_ptr (), ItemVarStoreInstancer instancer (get_var_store_ptr (),
get_delta_set_index_map_ptr (), get_delta_set_index_map_ptr (),
@ -2609,6 +2700,7 @@ struct COLR
if (get_clip (glyph, &extents, instancer)) if (get_clip (glyph, &extents, instancer))
{ {
font->scale_glyph_extents (&extents); font->scale_glyph_extents (&extents);
font->synthetic_glyph_extents (&extents);
c.funcs->push_clip_rectangle (c.data, c.funcs->push_clip_rectangle (c.data,
extents.x_bearing, extents.x_bearing,
extents.y_bearing + extents.height, extents.y_bearing + extents.height,
@ -2618,15 +2710,16 @@ struct COLR
else else
{ {
auto *extents_funcs = hb_paint_extents_get_funcs (); auto *extents_funcs = hb_paint_extents_get_funcs ();
hb_paint_extents_context_t extents_data; scratch.paint_extents.clear ();
paint_glyph (font, glyph, paint_glyph (font, glyph,
extents_funcs, &extents_data, extents_funcs, &scratch.paint_extents,
palette_index, foreground, palette_index, foreground,
false); false,
scratch);
hb_extents_t extents = extents_data.get_extents (); auto extents = scratch.paint_extents.get_extents ();
is_bounded = extents_data.is_bounded (); is_bounded = scratch.paint_extents.is_bounded ();
c.funcs->push_clip_rectangle (c.data, c.funcs->push_clip_rectangle (c.data,
extents.xmin, extents.xmin,
@ -2636,7 +2729,7 @@ struct COLR
} }
} }
c.funcs->push_root_transform (c.data, font); c.funcs->push_font_transform (c.data, font);
if (is_bounded) if (is_bounded)
c.recurse (*paint); c.recurse (*paint);
@ -2714,9 +2807,7 @@ void PaintColrLayers::paint_glyph (hb_paint_context_t *c) const
return; return;
const Paint &paint = paint_offset_lists.get_paint (i); const Paint &paint = paint_offset_lists.get_paint (i);
c->funcs->push_group (c->data);
c->recurse (paint); c->recurse (paint);
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
} }
} }
@ -2728,7 +2819,7 @@ void PaintColrGlyph::paint_glyph (hb_paint_context_t *c) const
if (unlikely (!node.visit (gid))) if (unlikely (!node.visit (gid)))
return; return;
c->funcs->push_inverse_root_transform (c->data, c->font); c->funcs->push_inverse_font_transform (c->data, c->font);
if (c->funcs->color_glyph (c->data, gid, c->font)) if (c->funcs->color_glyph (c->data, gid, c->font))
{ {
c->funcs->pop_transform (c->data); c->funcs->pop_transform (c->data);

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@ -126,24 +126,18 @@ hb_transforming_pen_get_funcs ()
return static_transforming_pen_funcs.get_unconst (); return static_transforming_pen_funcs.get_unconst ();
} }
hb_ubytes_t hb_ubytes_t
VarComponent::get_path_at (hb_font_t *font, VarComponent::get_path_at (const hb_varc_context_t &c,
hb_codepoint_t parent_gid, hb_codepoint_t parent_gid,
hb_draw_session_t &draw_session,
hb_array_t<const int> coords, hb_array_t<const int> coords,
hb_transform_t total_transform, hb_transform_t total_transform,
hb_ubytes_t total_record, hb_ubytes_t total_record,
hb_decycler_t *decycler,
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch,
VarRegionList::cache_t *cache) const VarRegionList::cache_t *cache) const
{ {
const unsigned char *end = total_record.arrayZ + total_record.length; const unsigned char *end = total_record.arrayZ + total_record.length;
const unsigned char *record = total_record.arrayZ; const unsigned char *record = total_record.arrayZ;
auto &VARC = *font->face->table.VARC->table; auto &VARC = *c.font->face->table.VARC->table;
auto &varStore = &VARC+VARC.varStore; auto &varStore = &VARC+VARC.varStore;
#define READ_UINT32VAR(name) \ #define READ_UINT32VAR(name) \
@ -193,9 +187,9 @@ VarComponent::get_path_at (hb_font_t *font,
// Axis values // Axis values
auto &axisIndices = scratch.axisIndices; auto &axisIndices = c.scratch.axisIndices;
axisIndices.clear (); axisIndices.clear ();
auto &axisValues = scratch.axisValues; auto &axisValues = c.scratch.axisValues;
axisValues.clear (); axisValues.clear ();
if (flags & (unsigned) flags_t::HAVE_AXES) if (flags & (unsigned) flags_t::HAVE_AXES)
{ {
@ -222,7 +216,7 @@ VarComponent::get_path_at (hb_font_t *font,
* limit on the max number of coords for now. */ * limit on the max number of coords for now. */
if ((flags & (unsigned) flags_t::RESET_UNSPECIFIED_AXES) || if ((flags & (unsigned) flags_t::RESET_UNSPECIFIED_AXES) ||
coords.length > HB_VAR_COMPOSITE_MAX_AXES) coords.length > HB_VAR_COMPOSITE_MAX_AXES)
component_coords = hb_array<int> (font->coords, font->num_coords); component_coords = hb_array<int> (c.font->coords, c.font->num_coords);
// Transform // Transform
@ -316,14 +310,18 @@ VarComponent::get_path_at (hb_font_t *font,
transform.scaleY = transform.scaleX; transform.scaleY = transform.scaleX;
total_transform.transform (transform.to_transform ()); total_transform.transform (transform.to_transform ());
total_transform.scale (font->x_mult ? 1.f / font->x_multf : 0.f, total_transform.scale (c.font->x_mult ? 1.f / c.font->x_multf : 0.f,
font->y_mult ? 1.f / font->y_multf : 0.f); c.font->y_mult ? 1.f / c.font->y_multf : 0.f);
VARC.get_path_at (font, gid, bool same_coords = component_coords.length == coords.length &&
draw_session, component_coords, total_transform, component_coords.arrayZ == coords.arrayZ;
c.depth_left--;
VARC.get_path_at (c, gid,
component_coords, total_transform,
parent_gid, parent_gid,
decycler, edges_left, depth_left - 1, same_coords ? cache : nullptr);
scratch); c.depth_left++;
} }
#undef PROCESS_TRANSFORM_COMPONENTS #undef PROCESS_TRANSFORM_COMPONENTS
@ -333,16 +331,12 @@ VarComponent::get_path_at (hb_font_t *font,
} }
bool bool
VARC::get_path_at (hb_font_t *font, VARC::get_path_at (const hb_varc_context_t &c,
hb_codepoint_t glyph, hb_codepoint_t glyph,
hb_draw_session_t &draw_session,
hb_array_t<const int> coords, hb_array_t<const int> coords,
hb_transform_t transform, hb_transform_t transform,
hb_codepoint_t parent_glyph, hb_codepoint_t parent_glyph,
hb_decycler_t *decycler, VarRegionList::cache_t *parent_cache) const
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch) const
{ {
// Don't recurse on the same glyph. // Don't recurse on the same glyph.
unsigned idx = glyph == parent_glyph ? unsigned idx = glyph == parent_glyph ?
@ -350,50 +344,69 @@ VARC::get_path_at (hb_font_t *font,
(this+coverage).get_coverage (glyph); (this+coverage).get_coverage (glyph);
if (idx == NOT_COVERED) if (idx == NOT_COVERED)
{ {
// Build a transforming pen to apply the transform. if (c.draw_session)
hb_draw_funcs_t *transformer_funcs = hb_transforming_pen_get_funcs (); {
hb_transforming_pen_context_t context {transform, // Build a transforming pen to apply the transform.
draw_session.funcs, hb_draw_funcs_t *transformer_funcs = hb_transforming_pen_get_funcs ();
draw_session.draw_data, hb_transforming_pen_context_t context {transform,
&draw_session.st}; c.draw_session->funcs,
hb_draw_session_t transformer_session {transformer_funcs, &context}; c.draw_session->draw_data,
hb_draw_session_t &shape_draw_session = transform.is_identity () ? draw_session : transformer_session; &c.draw_session->st};
hb_draw_session_t transformer_session {transformer_funcs, &context};
hb_draw_session_t &shape_draw_session = transform.is_identity () ? *c.draw_session : transformer_session;
if (!font->face->table.glyf->get_path_at (font, glyph, shape_draw_session, coords, scratch)) if (!c.font->face->table.glyf->get_path_at (c.font, glyph, shape_draw_session, coords, c.scratch.glyf_scratch))
#ifndef HB_NO_CFF #ifndef HB_NO_CFF
if (!font->face->table.cff2->get_path_at (font, glyph, shape_draw_session, coords)) if (!c.font->face->table.cff2->get_path_at (c.font, glyph, shape_draw_session, coords))
if (!font->face->table.cff1->get_path (font, glyph, shape_draw_session)) // Doesn't have variations if (!c.font->face->table.cff1->get_path (c.font, glyph, shape_draw_session)) // Doesn't have variations
#endif #endif
return false; return false;
}
else if (c.extents)
{
hb_glyph_extents_t glyph_extents;
if (!c.font->face->table.glyf->get_extents_at (c.font, glyph, &glyph_extents, coords))
#ifndef HB_NO_CFF
if (!c.font->face->table.cff2->get_extents_at (c.font, glyph, &glyph_extents, coords))
if (!c.font->face->table.cff1->get_extents (c.font, glyph, &glyph_extents)) // Doesn't have variations
#endif
return false;
hb_extents_t comp_extents (glyph_extents);
transform.transform_extents (comp_extents);
c.extents->union_ (comp_extents);
}
return true; return true;
} }
if (depth_left <= 0) if (c.depth_left <= 0)
return true; return true;
if (*edges_left <= 0) if (c.edges_left <= 0)
return true; return true;
(*edges_left)--; (c.edges_left)--;
hb_decycler_node_t node (*decycler); hb_decycler_node_t node (c.decycler);
if (unlikely (!node.visit (glyph))) if (unlikely (!node.visit (glyph)))
return true; return true;
hb_ubytes_t record = (this+glyphRecords)[idx]; hb_ubytes_t record = (this+glyphRecords)[idx];
float static_cache[sizeof (void *) * 16]; float static_cache[sizeof (void *) * 16];
VarRegionList::cache_t *cache = (this+varStore).create_cache (hb_array (static_cache)); VarRegionList::cache_t *cache = parent_cache ?
parent_cache :
(this+varStore).create_cache (hb_array (static_cache));
transform.scale (font->x_multf, font->y_multf); transform.scale (c.font->x_multf, c.font->y_multf);
VarCompositeGlyph::get_path_at (font, glyph, VarCompositeGlyph::get_path_at (c,
draw_session, coords, transform, glyph,
coords, transform,
record, record,
decycler, edges_left, depth_left,
scratch,
cache); cache);
(this+varStore).destroy_cache (cache, hb_array (static_cache)); if (cache != parent_cache)
(this+varStore).destroy_cache (cache, hb_array (static_cache));
return true; return true;
} }

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@ -21,6 +21,24 @@ namespace OT {
#ifndef HB_NO_VAR_COMPOSITES #ifndef HB_NO_VAR_COMPOSITES
struct hb_varc_scratch_t
{
hb_vector_t<unsigned> axisIndices;
hb_vector_t<float> axisValues;
hb_glyf_scratch_t glyf_scratch;
};
struct hb_varc_context_t
{
hb_font_t *font;
hb_draw_session_t *draw_session;
hb_extents_t *extents;
mutable hb_decycler_t decycler;
mutable signed edges_left;
mutable signed depth_left;
hb_varc_scratch_t &scratch;
};
struct VarComponent struct VarComponent
{ {
enum class flags_t : uint32_t enum class flags_t : uint32_t
@ -44,41 +62,32 @@ struct VarComponent
}; };
HB_INTERNAL hb_ubytes_t HB_INTERNAL hb_ubytes_t
get_path_at (hb_font_t *font, get_path_at (const hb_varc_context_t &c,
hb_codepoint_t parent_gid, hb_codepoint_t parent_gid,
hb_draw_session_t &draw_session,
hb_array_t<const int> coords, hb_array_t<const int> coords,
hb_transform_t transform, hb_transform_t transform,
hb_ubytes_t record, hb_ubytes_t record,
hb_decycler_t *decycler,
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch,
VarRegionList::cache_t *cache = nullptr) const; VarRegionList::cache_t *cache = nullptr) const;
}; };
struct VarCompositeGlyph struct VarCompositeGlyph
{ {
static void static void
get_path_at (hb_font_t *font, get_path_at (const hb_varc_context_t &c,
hb_codepoint_t glyph, hb_codepoint_t gid,
hb_draw_session_t &draw_session,
hb_array_t<const int> coords, hb_array_t<const int> coords,
hb_transform_t transform, hb_transform_t transform,
hb_ubytes_t record, hb_ubytes_t record,
hb_decycler_t *decycler, VarRegionList::cache_t *cache)
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch,
VarRegionList::cache_t *cache = nullptr)
{ {
while (record) while (record)
{ {
const VarComponent &comp = * (const VarComponent *) (record.arrayZ); const VarComponent &comp = * (const VarComponent *) (record.arrayZ);
record = comp.get_path_at (font, glyph, record = comp.get_path_at (c,
draw_session, coords, transform, gid,
coords, transform,
record, record,
decycler, edges_left, depth_left, scratch, cache); cache);
} }
} }
}; };
@ -92,36 +101,47 @@ struct VARC
static constexpr hb_tag_t tableTag = HB_TAG ('V', 'A', 'R', 'C'); static constexpr hb_tag_t tableTag = HB_TAG ('V', 'A', 'R', 'C');
HB_INTERNAL bool HB_INTERNAL bool
get_path_at (hb_font_t *font, get_path_at (const hb_varc_context_t &c,
hb_codepoint_t glyph, hb_codepoint_t gid,
hb_draw_session_t &draw_session,
hb_array_t<const int> coords, hb_array_t<const int> coords,
hb_transform_t transform, hb_transform_t transform = HB_TRANSFORM_IDENTITY,
hb_codepoint_t parent_glyph, hb_codepoint_t parent_gid = HB_CODEPOINT_INVALID,
hb_decycler_t *decycler, VarRegionList::cache_t *parent_cache = nullptr) const;
signed *edges_left,
signed depth_left,
hb_glyf_scratch_t &scratch) const;
bool bool
get_path (hb_font_t *font, get_path (hb_font_t *font,
hb_codepoint_t gid, hb_codepoint_t gid,
hb_draw_session_t &draw_session, hb_draw_session_t &draw_session,
hb_glyf_scratch_t &scratch) const hb_varc_scratch_t &scratch) const
{ {
hb_decycler_t decycler; hb_varc_context_t c {font,
signed edges = HB_MAX_GRAPH_EDGE_COUNT; &draw_session,
nullptr,
hb_decycler_t {},
HB_MAX_GRAPH_EDGE_COUNT,
HB_MAX_NESTING_LEVEL,
scratch};
return get_path_at (font, return get_path_at (c, gid,
gid, hb_array (font->coords, font->num_coords));
draw_session, }
hb_array (font->coords, font->num_coords),
HB_TRANSFORM_IDENTITY, bool
HB_CODEPOINT_INVALID, get_extents (hb_font_t *font,
&decycler, hb_codepoint_t gid,
&edges, hb_extents_t *extents,
HB_MAX_NESTING_LEVEL, hb_varc_scratch_t &scratch) const
scratch); {
hb_varc_context_t c {font,
nullptr,
extents,
hb_decycler_t {},
HB_MAX_GRAPH_EDGE_COUNT,
HB_MAX_NESTING_LEVEL,
scratch};
return get_path_at (c, gid,
hb_array (font->coords, font->num_coords));
} }
bool sanitize (hb_sanitize_context_t *c) const bool sanitize (hb_sanitize_context_t *c) const
@ -150,7 +170,7 @@ struct VARC
auto *scratch = cached_scratch.get_relaxed (); auto *scratch = cached_scratch.get_relaxed ();
if (scratch) if (scratch)
{ {
scratch->~hb_glyf_scratch_t (); scratch->~hb_varc_scratch_t ();
hb_free (scratch); hb_free (scratch);
} }
@ -162,34 +182,60 @@ struct VARC
{ {
if (!table->has_data ()) return false; if (!table->has_data ()) return false;
hb_glyf_scratch_t *scratch; auto *scratch = acquire_scratch ();
if (unlikely (!scratch)) return true;
// Borrow the cached strach buffer.
{
scratch = cached_scratch.get_acquire ();
if (!scratch || unlikely (!cached_scratch.cmpexch (scratch, nullptr)))
{
scratch = (hb_glyf_scratch_t *) hb_calloc (1, sizeof (hb_glyf_scratch_t));
if (unlikely (!scratch))
return true;
}
}
bool ret = table->get_path (font, gid, draw_session, *scratch); bool ret = table->get_path (font, gid, draw_session, *scratch);
release_scratch (scratch);
return ret;
}
// Put it back. bool
if (!cached_scratch.cmpexch (nullptr, scratch)) get_extents (hb_font_t *font,
{ hb_codepoint_t gid,
scratch->~hb_glyf_scratch_t (); hb_glyph_extents_t *extents) const
hb_free (scratch); {
} if (!table->has_data ()) return false;
hb_extents_t f_extents;
auto *scratch = acquire_scratch ();
if (unlikely (!scratch)) return true;
bool ret = table->get_extents (font, gid, &f_extents, *scratch);
release_scratch (scratch);
if (ret)
*extents = f_extents.to_glyph_extents (font->x_scale < 0, font->y_scale < 0);
return ret; return ret;
} }
private:
hb_varc_scratch_t *acquire_scratch () const
{
hb_varc_scratch_t *scratch = cached_scratch.get_acquire ();
if (!scratch || unlikely (!cached_scratch.cmpexch (scratch, nullptr)))
{
scratch = (hb_varc_scratch_t *) hb_calloc (1, sizeof (hb_varc_scratch_t));
if (unlikely (!scratch))
return nullptr;
}
return scratch;
}
void release_scratch (hb_varc_scratch_t *scratch) const
{
if (!cached_scratch.cmpexch (nullptr, scratch))
{
scratch->~hb_varc_scratch_t ();
hb_free (scratch);
}
}
private: private:
hb_blob_ptr_t<VARC> table; hb_blob_ptr_t<VARC> table;
hb_atomic_ptr_t<hb_glyf_scratch_t> cached_scratch; hb_atomic_t<hb_varc_scratch_t *> cached_scratch;
}; };
bool has_data () const { return version.major != 0; } bool has_data () const { return version.major != 0; }

View File

@ -429,16 +429,27 @@ struct glyf_accelerator_t
} }
public: public:
bool get_extents (hb_font_t *font, hb_codepoint_t gid, hb_glyph_extents_t *extents) const
bool get_extents (hb_font_t *font,
hb_codepoint_t gid,
hb_glyph_extents_t *extents) const
{ return get_extents_at (font, gid, extents, hb_array (font->coords, font->num_coords)); }
bool get_extents_at (hb_font_t *font,
hb_codepoint_t gid,
hb_glyph_extents_t *extents,
hb_array_t<const int> coords) const
{ {
if (unlikely (gid >= num_glyphs)) return false; if (unlikely (gid >= num_glyphs)) return false;
#ifndef HB_NO_VAR #ifndef HB_NO_VAR
if (font->num_coords) if (coords)
{ {
hb_glyf_scratch_t scratch; hb_glyf_scratch_t scratch;
return get_points (font, gid, points_aggregator_t (font, extents, nullptr, true), return get_points (font,
hb_array (font->coords, font->num_coords), gid,
points_aggregator_t (font, extents, nullptr, true),
coords,
scratch); scratch);
} }
#endif #endif
@ -532,7 +543,7 @@ struct glyf_accelerator_t
unsigned int num_glyphs; unsigned int num_glyphs;
hb_blob_ptr_t<loca> loca_table; hb_blob_ptr_t<loca> loca_table;
hb_blob_ptr_t<glyf> glyf_table; hb_blob_ptr_t<glyf> glyf_table;
hb_atomic_ptr_t<hb_glyf_scratch_t> cached_scratch; hb_atomic_t<hb_glyf_scratch_t *> cached_scratch;
}; };

View File

@ -8,6 +8,9 @@
#include "hb-common.cc" #include "hb-common.cc"
#include "hb-coretext-font.cc" #include "hb-coretext-font.cc"
#include "hb-coretext-shape.cc" #include "hb-coretext-shape.cc"
#include "hb-coretext.cc"
#include "hb-directwrite-font.cc"
#include "hb-directwrite-shape.cc"
#include "hb-directwrite.cc" #include "hb-directwrite.cc"
#include "hb-draw.cc" #include "hb-draw.cc"
#include "hb-face-builder.cc" #include "hb-face-builder.cc"

View File

@ -29,6 +29,8 @@
#include "hb-aat-layout.hh" #include "hb-aat-layout.hh"
#include "hb-aat-map.hh" #include "hb-aat-map.hh"
#include "hb-ot-layout-common.hh"
#include "hb-ot-layout-gdef-table.hh"
#include "hb-open-type.hh" #include "hb-open-type.hh"
#include "hb-cache.hh" #include "hb-cache.hh"
#include "hb-bit-set.hh" #include "hb-bit-set.hh"
@ -48,6 +50,61 @@ struct ankr;
using hb_aat_class_cache_t = hb_cache_t<15, 8, 7>; using hb_aat_class_cache_t = hb_cache_t<15, 8, 7>;
static_assert (sizeof (hb_aat_class_cache_t) == 256, ""); static_assert (sizeof (hb_aat_class_cache_t) == 256, "");
struct hb_aat_scratch_t
{
hb_aat_scratch_t () = default;
hb_aat_scratch_t (const hb_aat_scratch_t &) = delete;
hb_aat_scratch_t (hb_aat_scratch_t &&o)
{
buffer_glyph_set.set_relaxed (o.buffer_glyph_set.get_relaxed ());
o.buffer_glyph_set.set_relaxed (nullptr);
}
hb_aat_scratch_t & operator = (hb_aat_scratch_t &&o)
{
buffer_glyph_set.set_relaxed (o.buffer_glyph_set.get_relaxed ());
o.buffer_glyph_set.set_relaxed (nullptr);
return *this;
}
~hb_aat_scratch_t ()
{
auto *s = buffer_glyph_set.get_relaxed ();
if (unlikely (!s))
return;
s->fini ();
hb_free (s);
}
hb_bit_set_t *create_buffer_glyph_set () const
{
hb_bit_set_t *s = buffer_glyph_set.get_acquire ();
if (s && buffer_glyph_set.cmpexch (s, nullptr))
return s;
s = (hb_bit_set_t *) hb_calloc (1, sizeof (hb_bit_set_t));
if (unlikely (!s))
return nullptr;
s->init ();
return s;
}
void destroy_buffer_glyph_set (hb_bit_set_t *s) const
{
if (unlikely (!s))
return;
if (buffer_glyph_set.cmpexch (nullptr, s))
return;
s->fini ();
hb_free (s);
}
mutable hb_atomic_t<hb_bit_set_t *> buffer_glyph_set;
};
enum { DELETED_GLYPH = 0xFFFF };
#define HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED HB_BUFFER_SCRATCH_FLAG_SHAPER0
struct hb_aat_apply_context_t : struct hb_aat_apply_context_t :
hb_dispatch_context_t<hb_aat_apply_context_t, bool, HB_DEBUG_APPLY> hb_dispatch_context_t<hb_aat_apply_context_t, bool, HB_DEBUG_APPLY>
{ {
@ -64,10 +121,11 @@ struct hb_aat_apply_context_t :
hb_buffer_t *buffer; hb_buffer_t *buffer;
hb_sanitize_context_t sanitizer; hb_sanitize_context_t sanitizer;
const ankr *ankr_table; const ankr *ankr_table;
const OT::GDEF *gdef_table; const OT::GDEF &gdef;
bool has_glyph_classes;
const hb_sorted_vector_t<hb_aat_map_t::range_flags_t> *range_flags = nullptr; const hb_sorted_vector_t<hb_aat_map_t::range_flags_t> *range_flags = nullptr;
bool using_buffer_glyph_set = false; bool using_buffer_glyph_set = false;
hb_bit_set_t buffer_glyph_set; hb_bit_set_t *buffer_glyph_set = nullptr;
const hb_bit_set_t *left_set = nullptr; const hb_bit_set_t *left_set = nullptr;
const hb_bit_set_t *right_set = nullptr; const hb_bit_set_t *right_set = nullptr;
const hb_bit_set_t *machine_glyph_set = nullptr; const hb_bit_set_t *machine_glyph_set = nullptr;
@ -90,15 +148,15 @@ struct hb_aat_apply_context_t :
void setup_buffer_glyph_set () void setup_buffer_glyph_set ()
{ {
using_buffer_glyph_set = buffer->len >= 4; using_buffer_glyph_set = buffer->len >= 4 && buffer_glyph_set;
if (using_buffer_glyph_set) if (likely (using_buffer_glyph_set))
buffer->collect_codepoints (buffer_glyph_set); buffer->collect_codepoints (*buffer_glyph_set);
} }
bool buffer_intersects_machine () const bool buffer_intersects_machine () const
{ {
if (using_buffer_glyph_set) if (likely (using_buffer_glyph_set))
return buffer_glyph_set.intersects (*machine_glyph_set); return buffer_glyph_set->intersects (*machine_glyph_set);
// Faster for shorter buffers. // Faster for shorter buffers.
for (unsigned i = 0; i < buffer->len; i++) for (unsigned i = 0; i < buffer->len; i++)
@ -106,6 +164,66 @@ struct hb_aat_apply_context_t :
return true; return true;
return false; return false;
} }
template <typename T>
HB_NODISCARD bool output_glyphs (unsigned int count,
const T *glyphs)
{
if (likely (using_buffer_glyph_set))
buffer_glyph_set->add_array (glyphs, count);
for (unsigned int i = 0; i < count; i++)
{
if (glyphs[i] == DELETED_GLYPH)
{
buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED;
_hb_glyph_info_set_aat_deleted (&buffer->cur());
}
else
{
#ifndef HB_NO_OT_LAYOUT
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->cur(),
gdef.get_glyph_props (glyphs[i]));
#endif
}
if (unlikely (!buffer->output_glyph (glyphs[i]))) return false;
}
return true;
}
HB_NODISCARD bool replace_glyph (hb_codepoint_t glyph)
{
if (glyph == DELETED_GLYPH)
return delete_glyph ();
if (likely (using_buffer_glyph_set))
buffer_glyph_set->add (glyph);
#ifndef HB_NO_OT_LAYOUT
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->cur(),
gdef.get_glyph_props (glyph));
#endif
return buffer->replace_glyph (glyph);
}
HB_NODISCARD bool delete_glyph ()
{
buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED;
_hb_glyph_info_set_aat_deleted (&buffer->cur());
return buffer->replace_glyph (DELETED_GLYPH);
}
void replace_glyph_inplace (unsigned i, hb_codepoint_t glyph)
{
buffer->info[i].codepoint = glyph;
if (likely (using_buffer_glyph_set))
buffer_glyph_set->add (glyph);
#ifndef HB_NO_OT_LAYOUT
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->info[i],
gdef.get_glyph_props (glyph));
#endif
}
}; };
@ -113,8 +231,6 @@ struct hb_aat_apply_context_t :
* Lookup Table * Lookup Table
*/ */
enum { DELETED_GLYPH = 0xFFFF };
template <typename T> struct Lookup; template <typename T> struct Lookup;
template <typename T> template <typename T>
@ -179,6 +295,7 @@ struct LookupSegmentSingle
template <typename set_t, typename filter_t> template <typename set_t, typename filter_t>
void collect_glyphs_filtered (set_t &glyphs, const filter_t &filter) const void collect_glyphs_filtered (set_t &glyphs, const filter_t &filter) const
{ {
if (first == DELETED_GLYPH) return;
if (!filter (value)) return; if (!filter (value)) return;
glyphs.add_range (first, last); glyphs.add_range (first, last);
} }
@ -268,6 +385,7 @@ struct LookupSegmentArray
template <typename set_t, typename filter_t> template <typename set_t, typename filter_t>
void collect_glyphs_filtered (set_t &glyphs, const void *base, const filter_t &filter) const void collect_glyphs_filtered (set_t &glyphs, const void *base, const filter_t &filter) const
{ {
if (first == DELETED_GLYPH) return;
const auto &values = base+valuesZ; const auto &values = base+valuesZ;
for (hb_codepoint_t i = first; i <= last; i++) for (hb_codepoint_t i = first; i <= last; i++)
if (filter (values[i - first])) if (filter (values[i - first]))
@ -368,6 +486,7 @@ struct LookupSingle
template <typename set_t, typename filter_t> template <typename set_t, typename filter_t>
void collect_glyphs_filtered (set_t &glyphs, const filter_t &filter) const void collect_glyphs_filtered (set_t &glyphs, const filter_t &filter) const
{ {
if (glyph == DELETED_GLYPH) return;
if (!filter (value)) return; if (!filter (value)) return;
glyphs.add (glyph); glyphs.add (glyph);
} }
@ -746,6 +865,10 @@ struct StateTable
} }
// And glyphs in those classes. // And glyphs in those classes.
if (filter (CLASS_DELETED_GLYPH))
glyphs.add (DELETED_GLYPH);
(this+classTable).collect_glyphs_filtered (glyphs, num_glyphs, filter); (this+classTable).collect_glyphs_filtered (glyphs, num_glyphs, filter);
} }

View File

@ -185,6 +185,9 @@ struct Format1Entry<true>
DEFINE_SIZE_STATIC (2); DEFINE_SIZE_STATIC (2);
}; };
static bool initiateAction (const Entry<EntryData> &entry)
{ return entry.flags & Push; }
static bool performAction (const Entry<EntryData> &entry) static bool performAction (const Entry<EntryData> &entry)
{ return entry.data.kernActionIndex != 0xFFFF; } { return entry.data.kernActionIndex != 0xFFFF; }
@ -325,8 +328,9 @@ struct KerxSubTableFormat1
} }
else if (buffer->info[idx].mask & kern_mask) else if (buffer->info[idx].mask & kern_mask)
{ {
o.x_advance += c->font->em_scale_x (v); auto scaled = c->font->em_scale_x (v);
o.x_offset += c->font->em_scale_x (v); o.x_advance += scaled;
o.x_offset += scaled;
} }
} }
else else
@ -394,10 +398,8 @@ struct KerxSubTableFormat1
template <typename set_t> template <typename set_t>
void collect_glyphs (set_t &left_set, set_t &right_set, unsigned num_glyphs) const void collect_glyphs (set_t &left_set, set_t &right_set, unsigned num_glyphs) const
{ {
set_t set; machine.collect_initial_glyphs (left_set, num_glyphs, *this);
machine.collect_glyphs (set, num_glyphs); //machine.collect_glyphs (right_set, num_glyphs); // right_set is unused for machine kerning
left_set.union_ (set);
right_set.union_ (set);
} }
protected: protected:
@ -671,10 +673,8 @@ struct KerxSubTableFormat4
template <typename set_t> template <typename set_t>
void collect_glyphs (set_t &left_set, set_t &right_set, unsigned num_glyphs) const void collect_glyphs (set_t &left_set, set_t &right_set, unsigned num_glyphs) const
{ {
set_t set; machine.collect_initial_glyphs (left_set, num_glyphs, *this);
machine.collect_glyphs (set, num_glyphs); //machine.collect_glyphs (right_set, num_glyphs); // right_set is unused for machine kerning
left_set.union_ (set);
right_set.union_ (set);
} }
protected: protected:
@ -921,7 +921,18 @@ struct KerxSubTable
* The 'kerx' Table * The 'kerx' Table
*/ */
using kern_accelerator_data_t = hb_vector_t<hb_pair_t<hb_bit_set_t, hb_bit_set_t>>; struct kern_subtable_accelerator_data_t
{
hb_bit_set_t left_set;
hb_bit_set_t right_set;
mutable hb_aat_class_cache_t class_cache;
};
struct kern_accelerator_data_t
{
hb_vector_t<kern_subtable_accelerator_data_t> subtable_accels;
hb_aat_scratch_t scratch;
};
template <typename T> template <typename T>
struct KerxTable struct KerxTable
@ -985,6 +996,8 @@ struct KerxTable
{ {
c->buffer->unsafe_to_concat (); c->buffer->unsafe_to_concat ();
c->setup_buffer_glyph_set ();
typedef typename T::SubTable SubTable; typedef typename T::SubTable SubTable;
bool ret = false; bool ret = false;
@ -996,12 +1009,25 @@ struct KerxTable
{ {
bool reverse; bool reverse;
auto &subtable_accel = accel_data.subtable_accels[i];
if (!T::Types::extended && (st->u.header.coverage & st->u.header.Variation)) if (!T::Types::extended && (st->u.header.coverage & st->u.header.Variation))
goto skip; goto skip;
if (HB_DIRECTION_IS_HORIZONTAL (c->buffer->props.direction) != st->u.header.is_horizontal ()) if (HB_DIRECTION_IS_HORIZONTAL (c->buffer->props.direction) != st->u.header.is_horizontal ())
goto skip; goto skip;
c->left_set = &subtable_accel.left_set;
c->right_set = &subtable_accel.right_set;
c->machine_glyph_set = &subtable_accel.left_set;
c->machine_class_cache = &subtable_accel.class_cache;
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped subtable %u because no glyph matches", c->lookup_index);
goto skip;
}
reverse = bool (st->u.header.coverage & st->u.header.Backwards) != reverse = bool (st->u.header.coverage & st->u.header.Backwards) !=
HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction); HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction);
@ -1028,9 +1054,6 @@ struct KerxTable
if (reverse) if (reverse)
c->buffer->reverse (); c->buffer->reverse ();
c->left_set = &accel_data[i].first;
c->right_set = &accel_data[i].second;
{ {
/* See comment in sanitize() for conditional here. */ /* See comment in sanitize() for conditional here. */
hb_sanitize_with_object_t with (&c->sanitizer, i < count - 1 ? st : (const SubTable *) nullptr); hb_sanitize_with_object_t with (&c->sanitizer, i < count - 1 ? st : (const SubTable *) nullptr);
@ -1106,9 +1129,13 @@ struct KerxTable
unsigned int count = thiz()->tableCount; unsigned int count = thiz()->tableCount;
for (unsigned int i = 0; i < count; i++) for (unsigned int i = 0; i < count; i++)
{ {
hb_bit_set_t left_set, right_set; auto &subtable_accel = *accel_data.subtable_accels.push ();
st->collect_glyphs (left_set, right_set, num_glyphs); if (unlikely (accel_data.subtable_accels.in_error ()))
accel_data.push (hb_pair (left_set, right_set)); return accel_data;
st->collect_glyphs (subtable_accel.left_set, subtable_accel.right_set, num_glyphs);
subtable_accel.class_cache.clear ();
st = &StructAfter<SubTable> (*st); st = &StructAfter<SubTable> (*st);
} }
@ -1137,6 +1164,7 @@ struct KerxTable
hb_blob_ptr_t<T> table; hb_blob_ptr_t<T> table;
kern_accelerator_data_t accel_data; kern_accelerator_data_t accel_data;
hb_aat_scratch_t scratch;
}; };
}; };

View File

@ -30,8 +30,6 @@
#include "hb-open-type.hh" #include "hb-open-type.hh"
#include "hb-aat-layout-common.hh" #include "hb-aat-layout-common.hh"
#include "hb-ot-layout.hh" #include "hb-ot-layout.hh"
#include "hb-ot-layout-common.hh"
#include "hb-ot-layout-gdef-table.hh"
#include "hb-aat-map.hh" #include "hb-aat-map.hh"
/* /*
@ -178,12 +176,6 @@ struct RearrangementSubtable
StateTableDriver<Types, EntryData, Flags> driver (machine, c->face); StateTableDriver<Types, EntryData, Flags> driver (machine, c->face);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
driver.drive (&dc, c); driver.drive (&dc, c);
return_trace (dc.ret); return_trace (dc.ret);
@ -242,9 +234,7 @@ struct ContextualSubtable
ret (false), ret (false),
c (c_), c (c_),
table (table_), table (table_),
gdef (*c->gdef_table),
mark_set (false), mark_set (false),
has_glyph_classes (gdef.has_glyph_classes ()),
mark (0), mark (0),
subs (table+table->substitutionTables) {} subs (table+table->substitutionTables) {}
@ -281,12 +271,7 @@ struct ContextualSubtable
if (replacement) if (replacement)
{ {
buffer->unsafe_to_break (mark, hb_min (buffer->idx + 1, buffer->len)); buffer->unsafe_to_break (mark, hb_min (buffer->idx + 1, buffer->len));
hb_codepoint_t glyph = *replacement; c->replace_glyph_inplace (mark, *replacement);
buffer->info[mark].codepoint = glyph;
c->buffer_glyph_set.add (glyph);
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->info[mark],
gdef.get_glyph_props (*replacement));
ret = true; ret = true;
} }
@ -312,12 +297,7 @@ struct ContextualSubtable
} }
if (replacement) if (replacement)
{ {
hb_codepoint_t glyph = *replacement; c->replace_glyph_inplace (idx, *replacement);
buffer->info[idx].codepoint = glyph;
c->buffer_glyph_set.add (glyph);
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&buffer->info[idx],
gdef.get_glyph_props (*replacement));
ret = true; ret = true;
} }
@ -333,9 +313,7 @@ struct ContextualSubtable
hb_aat_apply_context_t *c; hb_aat_apply_context_t *c;
const ContextualSubtable *table; const ContextualSubtable *table;
private: private:
const OT::GDEF &gdef;
bool mark_set; bool mark_set;
bool has_glyph_classes;
unsigned int mark; unsigned int mark;
const UnsizedListOfOffset16To<Lookup<HBGlyphID16>, HBUINT, void, false> &subs; const UnsizedListOfOffset16To<Lookup<HBGlyphID16>, HBUINT, void, false> &subs;
}; };
@ -348,12 +326,6 @@ struct ContextualSubtable
StateTableDriver<Types, EntryData, Flags> driver (machine, c->face); StateTableDriver<Types, EntryData, Flags> driver (machine, c->face);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
driver.drive (&dc, c); driver.drive (&dc, c);
return_trace (dc.ret); return_trace (dc.ret);
@ -581,7 +553,7 @@ struct LigatureSubtable
hb_codepoint_t lig = ligatureData; hb_codepoint_t lig = ligatureData;
DEBUG_MSG (APPLY, nullptr, "Produced ligature %u", lig); DEBUG_MSG (APPLY, nullptr, "Produced ligature %u", lig);
if (unlikely (!buffer->replace_glyph (lig))) return; if (unlikely (!c->replace_glyph (lig))) return;
unsigned int lig_end = match_positions[(match_length - 1u) % ARRAY_LENGTH (match_positions)] + 1u; unsigned int lig_end = match_positions[(match_length - 1u) % ARRAY_LENGTH (match_positions)] + 1u;
/* Now go and delete all subsequent components. */ /* Now go and delete all subsequent components. */
@ -589,8 +561,7 @@ struct LigatureSubtable
{ {
DEBUG_MSG (APPLY, nullptr, "Skipping ligature component"); DEBUG_MSG (APPLY, nullptr, "Skipping ligature component");
if (unlikely (!buffer->move_to (match_positions[--match_length % ARRAY_LENGTH (match_positions)]))) return; if (unlikely (!buffer->move_to (match_positions[--match_length % ARRAY_LENGTH (match_positions)]))) return;
_hb_glyph_info_set_default_ignorable (&buffer->cur()); if (!c->delete_glyph ()) return;
if (unlikely (!buffer->replace_glyph (DELETED_GLYPH))) return;
} }
if (unlikely (!buffer->move_to (lig_end))) return; if (unlikely (!buffer->move_to (lig_end))) return;
@ -624,12 +595,6 @@ struct LigatureSubtable
StateTableDriver<Types, EntryData, Flags> driver (machine, c->face); StateTableDriver<Types, EntryData, Flags> driver (machine, c->face);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
driver.drive (&dc, c); driver.drive (&dc, c);
return_trace (dc.ret); return_trace (dc.ret);
@ -665,15 +630,6 @@ struct NoncontextualSubtable
{ {
TRACE_APPLY (this); TRACE_APPLY (this);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
const OT::GDEF &gdef (*c->gdef_table);
bool has_glyph_classes = gdef.has_glyph_classes ();
bool ret = false; bool ret = false;
unsigned int num_glyphs = c->face->get_num_glyphs (); unsigned int num_glyphs = c->face->get_num_glyphs ();
@ -703,12 +659,7 @@ struct NoncontextualSubtable
const HBGlyphID16 *replacement = substitute.get_value (info[i].codepoint, num_glyphs); const HBGlyphID16 *replacement = substitute.get_value (info[i].codepoint, num_glyphs);
if (replacement) if (replacement)
{ {
hb_codepoint_t glyph = *replacement; c->replace_glyph_inplace (i, *replacement);
info[i].codepoint = glyph;
c->buffer_glyph_set.add (glyph);
if (has_glyph_classes)
_hb_glyph_info_set_glyph_props (&info[i],
gdef.get_glyph_props (*replacement));
ret = true; ret = true;
} }
} }
@ -850,9 +801,7 @@ struct InsertionSubtable
if (buffer->idx < buffer->len && !before) if (buffer->idx < buffer->len && !before)
if (unlikely (!buffer->copy_glyph ())) return; if (unlikely (!buffer->copy_glyph ())) return;
/* TODO We ignore KashidaLike setting. */ /* TODO We ignore KashidaLike setting. */
if (unlikely (!buffer->replace_glyphs (0, count, glyphs))) return; if (unlikely (!c->output_glyphs (count, glyphs))) return;
for (unsigned int i = 0; i < count; i++)
c->buffer_glyph_set.add (glyphs[i]);
ret = true; ret = true;
if (buffer->idx < buffer->len && !before) if (buffer->idx < buffer->len && !before)
buffer->skip_glyph (); buffer->skip_glyph ();
@ -881,7 +830,8 @@ struct InsertionSubtable
if (buffer->idx < buffer->len && !before) if (buffer->idx < buffer->len && !before)
if (unlikely (!buffer->copy_glyph ())) return; if (unlikely (!buffer->copy_glyph ())) return;
/* TODO We ignore KashidaLike setting. */ /* TODO We ignore KashidaLike setting. */
if (unlikely (!buffer->replace_glyphs (0, count, glyphs))) return; if (unlikely (!c->output_glyphs (count, glyphs))) return;
ret = true;
if (buffer->idx < buffer->len && !before) if (buffer->idx < buffer->len && !before)
buffer->skip_glyph (); buffer->skip_glyph ();
@ -921,12 +871,6 @@ struct InsertionSubtable
StateTableDriver<Types, EntryData, Flags> driver (machine, c->face); StateTableDriver<Types, EntryData, Flags> driver (machine, c->face);
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable because no glyph matches");
return_trace (false);
}
driver.drive (&dc, c); driver.drive (&dc, c);
return_trace (dc.ret); return_trace (dc.ret);
@ -1224,6 +1168,7 @@ struct Chain
if (hb_none (hb_iter (c->range_flags) | if (hb_none (hb_iter (c->range_flags) |
hb_map ([subtable_flags] (const hb_aat_map_t::range_flags_t _) -> bool { return subtable_flags & (_.flags); }))) hb_map ([subtable_flags] (const hb_aat_map_t::range_flags_t _) -> bool { return subtable_flags & (_.flags); })))
goto skip; goto skip;
c->subtable_flags = subtable_flags; c->subtable_flags = subtable_flags;
c->machine_glyph_set = accel ? &accel->subtables[i].glyph_set : &Null(hb_bit_set_t); c->machine_glyph_set = accel ? &accel->subtables[i].glyph_set : &Null(hb_bit_set_t);
c->machine_class_cache = accel ? &accel->subtables[i].class_cache : nullptr; c->machine_class_cache = accel ? &accel->subtables[i].class_cache : nullptr;
@ -1233,6 +1178,12 @@ struct Chain
bool (coverage & ChainSubtable<Types>::Vertical)) bool (coverage & ChainSubtable<Types>::Vertical))
goto skip; goto skip;
if (!c->buffer_intersects_machine ())
{
(void) c->buffer->message (c->font, "skipped chainsubtable %u because no glyph matches", c->lookup_index);
goto skip;
}
/* Buffer contents is always in logical direction. Determine if /* Buffer contents is always in logical direction. Determine if
* we need to reverse before applying this subtable. We reverse * we need to reverse before applying this subtable. We reverse
* back after if we did reverse indeed. * back after if we did reverse indeed.
@ -1376,7 +1327,7 @@ struct mortmorx
this->chain_count = table->get_chain_count (); this->chain_count = table->get_chain_count ();
this->accels = (hb_atomic_ptr_t<hb_aat_layout_chain_accelerator_t> *) hb_calloc (this->chain_count, sizeof (*accels)); this->accels = (hb_atomic_t<hb_aat_layout_chain_accelerator_t *> *) hb_calloc (this->chain_count, sizeof (*accels));
if (unlikely (!this->accels)) if (unlikely (!this->accels))
{ {
this->chain_count = 0; this->chain_count = 0;
@ -1423,7 +1374,8 @@ struct mortmorx
hb_blob_ptr_t<T> table; hb_blob_ptr_t<T> table;
unsigned int chain_count; unsigned int chain_count;
hb_atomic_ptr_t<hb_aat_layout_chain_accelerator_t> *accels; hb_atomic_t<hb_aat_layout_chain_accelerator_t *> *accels;
hb_aat_scratch_t scratch;
}; };

View File

@ -142,9 +142,9 @@ struct TrackData
unsigned j = count - 1; unsigned j = count - 1;
// Find the two entries that track is between. // Find the two entries that track is between.
while (i + 1 < count && trackTable[i + 1].get_track_value () < track) while (i + 1 < count && trackTable[i + 1].get_track_value () <= track)
i++; i++;
while (j > 0 && trackTable[j - 1].get_track_value () > track) while (j > 0 && trackTable[j - 1].get_track_value () >= track)
j--; j--;
// Exact match. // Exact match.

View File

@ -58,13 +58,14 @@ AAT::hb_aat_apply_context_t::hb_aat_apply_context_t (const hb_ot_shape_plan_t *p
buffer (buffer_), buffer (buffer_),
sanitizer (), sanitizer (),
ankr_table (&Null (AAT::ankr)), ankr_table (&Null (AAT::ankr)),
gdef_table ( gdef (
#ifndef HB_NO_OT_LAYOUT #ifndef HB_NO_OT_LAYOUT
face->table.GDEF->table *face->table.GDEF->table
#else #else
&Null (GDEF) Null (GDEF)
#endif #endif
), ),
has_glyph_classes (gdef.has_glyph_classes ()),
lookup_index (0) lookup_index (0)
{ {
sanitizer.init (blob); sanitizer.init (blob);
@ -203,7 +204,7 @@ hb_aat_layout_find_feature_mapping (hb_tag_t tag)
#endif #endif
#ifndef HB_NO_AAT #ifndef HB_NO_AAT_SHAPE
/* /*
* mort/morx/kerx/trak * mort/morx/kerx/trak
@ -287,11 +288,14 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
const hb_feature_t *features, const hb_feature_t *features,
unsigned num_features) unsigned num_features)
{ {
hb_aat_map_builder_t builder (font->face, plan->props);
for (unsigned i = 0; i < num_features; i++)
builder.add_feature (features[i]);
hb_aat_map_t map; hb_aat_map_t map;
builder.compile (map); if (num_features)
{
hb_aat_map_builder_t builder (font->face, plan->props);
for (unsigned i = 0; i < num_features; i++)
builder.add_feature (features[i]);
builder.compile (map);
}
{ {
auto &accel = *font->face->table.morx; auto &accel = *font->face->table.morx;
@ -300,7 +304,10 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
{ {
AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ()); AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ());
if (!buffer->message (font, "start table morx")) return; if (!buffer->message (font, "start table morx")) return;
morx.apply (&c, map, accel); c.buffer_glyph_set = accel.scratch.create_buffer_glyph_set ();
morx.apply (&c, num_features ? map : plan->aat_map, accel);
accel.scratch.destroy_buffer_glyph_set (c.buffer_glyph_set);
c.buffer_glyph_set = nullptr;
(void) buffer->message (font, "end table morx"); (void) buffer->message (font, "end table morx");
return; return;
} }
@ -313,34 +320,24 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
{ {
AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ()); AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ());
if (!buffer->message (font, "start table mort")) return; if (!buffer->message (font, "start table mort")) return;
mort.apply (&c, map, accel); mort.apply (&c, num_features ? map : plan->aat_map, accel);
(void) buffer->message (font, "end table mort"); (void) buffer->message (font, "end table mort");
return; return;
} }
} }
} }
void
hb_aat_layout_zero_width_deleted_glyphs (hb_buffer_t *buffer)
{
unsigned int count = buffer->len;
hb_glyph_info_t *info = buffer->info;
hb_glyph_position_t *pos = buffer->pos;
for (unsigned int i = 0; i < count; i++)
if (unlikely (info[i].codepoint == AAT::DELETED_GLYPH))
pos[i].x_advance = pos[i].y_advance = pos[i].x_offset = pos[i].y_offset = 0;
}
static bool static bool
is_deleted_glyph (const hb_glyph_info_t *info) is_deleted_glyph (const hb_glyph_info_t *info)
{ {
return info->codepoint == AAT::DELETED_GLYPH; return _hb_glyph_info_is_aat_deleted (info);
} }
void void
hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer) hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer)
{ {
buffer->delete_glyphs_inplace (is_deleted_glyph); if (buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_AAT_HAS_DELETED)
buffer->delete_glyphs_inplace (is_deleted_glyph);
} }
/** /**
@ -371,8 +368,11 @@ hb_aat_layout_position (const hb_ot_shape_plan_t *plan,
AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ()); AAT::hb_aat_apply_context_t c (plan, font, buffer, accel.get_blob ());
if (!buffer->message (font, "start table kerx")) return; if (!buffer->message (font, "start table kerx")) return;
c.buffer_glyph_set = accel.scratch.create_buffer_glyph_set ();
c.set_ankr_table (font->face->table.ankr.get ()); c.set_ankr_table (font->face->table.ankr.get ());
accel.apply (&c); accel.apply (&c);
accel.scratch.destroy_buffer_glyph_set (c.buffer_glyph_set);
c.buffer_glyph_set = nullptr;
(void) buffer->message (font, "end table kerx"); (void) buffer->message (font, "end table kerx");
} }

View File

@ -60,9 +60,6 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
const hb_feature_t *features, const hb_feature_t *features,
unsigned num_features); unsigned num_features);
HB_INTERNAL void
hb_aat_layout_zero_width_deleted_glyphs (hb_buffer_t *buffer);
HB_INTERNAL void HB_INTERNAL void
hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer); hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer);

View File

@ -85,6 +85,11 @@ void
hb_aat_map_builder_t::compile (hb_aat_map_t &m) hb_aat_map_builder_t::compile (hb_aat_map_t &m)
{ {
/* Compute active features per range, and compile each. */ /* Compute active features per range, and compile each. */
if (!features.length)
{
hb_aat_layout_compile_map (this, &m);
return;
}
/* Sort features by start/end events. */ /* Sort features by start/end events. */
hb_vector_t<feature_event_t> feature_events; hb_vector_t<feature_event_t> feature_events;

View File

@ -149,62 +149,47 @@ static inline void _hb_compiler_memory_r_barrier () {}
#define hb_atomic_ptr_impl_get_relaxed(P) (*(P)) #define hb_atomic_ptr_impl_get_relaxed(P) (*(P))
#endif #endif
#ifndef hb_atomic_int_impl_set #ifndef hb_atomic_int_impl_set
inline void hb_atomic_int_impl_set (int *AI, int v) { _hb_memory_w_barrier (); *AI = v; } template <typename T>
inline void hb_atomic_int_impl_set (short *AI, short v) { _hb_memory_w_barrier (); *AI = v; } inline void hb_atomic_int_impl_set (T *AI, T v) { _hb_memory_w_barrier (); *AI = v; }
#endif #endif
#ifndef hb_atomic_int_impl_get #ifndef hb_atomic_int_impl_get
inline int hb_atomic_int_impl_get (const int *AI) { int v = *AI; _hb_memory_r_barrier (); return v; } template <typename T>
inline short hb_atomic_int_impl_get (const short *AI) { short v = *AI; _hb_memory_r_barrier (); return v; } inline T hb_atomic_int_impl_get (const T *AI) { T v = *AI; _hb_memory_r_barrier (); return v; }
#endif #endif
#ifndef hb_atomic_ptr_impl_get #ifndef hb_atomic_ptr_impl_get
inline void *hb_atomic_ptr_impl_get (void ** const P) { void *v = *P; _hb_memory_r_barrier (); return v; } inline void *hb_atomic_ptr_impl_get (void ** const P) { void *v = *P; _hb_memory_r_barrier (); return v; }
#endif #endif
struct hb_atomic_short_t template <typename T>
struct hb_atomic_t
{ {
hb_atomic_short_t () = default; hb_atomic_t () = default;
constexpr hb_atomic_short_t (short v) : v (v) {} constexpr hb_atomic_t (T v) : v (v) {}
hb_atomic_short_t& operator = (short v_) { set_relaxed (v_); return *this; } hb_atomic_t& operator = (T v_) { set_relaxed (v_); return *this; }
operator short () const { return get_relaxed (); } operator T () const { return get_relaxed (); }
void set_relaxed (short v_) { hb_atomic_int_impl_set_relaxed (&v, v_); } void set_relaxed (T v_) { hb_atomic_int_impl_set_relaxed (&v, v_); }
void set_release (short v_) { hb_atomic_int_impl_set (&v, v_); } void set_release (T v_) { hb_atomic_int_impl_set (&v, v_); }
short get_relaxed () const { return hb_atomic_int_impl_get_relaxed (&v); } T get_relaxed () const { return hb_atomic_int_impl_get_relaxed (&v); }
short get_acquire () const { return hb_atomic_int_impl_get (&v); } T get_acquire () const { return hb_atomic_int_impl_get (&v); }
short inc () { return hb_atomic_int_impl_add (&v, 1); } T inc () { return hb_atomic_int_impl_add (&v, 1); }
short dec () { return hb_atomic_int_impl_add (&v, -1); } T dec () { return hb_atomic_int_impl_add (&v, -1); }
short v = 0; int operator ++ (int) { return inc (); }
int operator -- (int) { return dec (); }
long operator |= (long v_) { set_relaxed (get_relaxed () | v_); return *this; }
T v = 0;
}; };
struct hb_atomic_int_t template <typename T>
struct hb_atomic_t<T*>
{ {
hb_atomic_int_t () = default; hb_atomic_t () = default;
constexpr hb_atomic_int_t (int v) : v (v) {} constexpr hb_atomic_t (T* v) : v (v) {}
hb_atomic_t (const hb_atomic_t &other) = delete;
hb_atomic_int_t& operator = (int v_) { set_relaxed (v_); return *this; }
operator int () const { return get_relaxed (); }
void set_relaxed (int v_) { hb_atomic_int_impl_set_relaxed (&v, v_); }
void set_release (int v_) { hb_atomic_int_impl_set (&v, v_); }
int get_relaxed () const { return hb_atomic_int_impl_get_relaxed (&v); }
int get_acquire () const { return hb_atomic_int_impl_get (&v); }
int inc () { return hb_atomic_int_impl_add (&v, 1); }
int dec () { return hb_atomic_int_impl_add (&v, -1); }
int v = 0;
};
template <typename P>
struct hb_atomic_ptr_t
{
typedef hb_remove_pointer<P> T;
hb_atomic_ptr_t () = default;
constexpr hb_atomic_ptr_t (T* v) : v (v) {}
hb_atomic_ptr_t (const hb_atomic_ptr_t &other) = delete;
void init (T* v_ = nullptr) { set_relaxed (v_); } void init (T* v_ = nullptr) { set_relaxed (v_); }
void set_relaxed (T* v_) { hb_atomic_ptr_impl_set_relaxed (&v, v_); } void set_relaxed (T* v_) { hb_atomic_ptr_impl_set_relaxed (&v, v_); }

View File

@ -77,7 +77,7 @@ struct hb_bit_set_t
bool successful = true; /* Allocations successful */ bool successful = true; /* Allocations successful */
mutable unsigned int population = 0; mutable unsigned int population = 0;
mutable hb_atomic_int_t last_page_lookup = 0; mutable hb_atomic_t<unsigned> last_page_lookup = 0;
hb_sorted_vector_t<page_map_t> page_map; hb_sorted_vector_t<page_map_t> page_map;
hb_vector_t<page_t> pages; hb_vector_t<page_t> pages;
@ -88,7 +88,7 @@ struct hb_bit_set_t
{ {
if (unlikely (!successful)) return false; if (unlikely (!successful)) return false;
if (pages.length < count && count <= 2) if (pages.length < count && (unsigned) pages.allocated < count && count <= 2)
exact_size = true; // Most sets are small and local exact_size = true; // Most sets are small and local
if (unlikely (!pages.resize (count, clear, exact_size) || if (unlikely (!pages.resize (count, clear, exact_size) ||

View File

@ -0,0 +1,195 @@
/*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#ifndef HB_BIT_VECTOR_HH
#define HB_BIT_VECTOR_HH
#include "hb.hh"
#include "hb-atomic.hh"
struct hb_min_max_t
{
void add (hb_codepoint_t v) { min_v = hb_min (min_v, v); max_v = hb_max (max_v, v); }
void add_range (hb_codepoint_t a, hb_codepoint_t b)
{
min_v = hb_min (min_v, a);
max_v = hb_max (max_v, b);
}
template <typename set_t>
void union_ (const set_t &set)
{
hb_codepoint_t set_min = set.get_min ();
if (unlikely (set_min == HB_CODEPOINT_INVALID))
return;
hb_codepoint_t set_max = set.get_max ();
min_v = hb_min (min_v, set_min);
max_v = hb_max (max_v, set_max);
}
hb_codepoint_t get_min () const { return min_v; }
hb_codepoint_t get_max () const { return max_v; }
private:
hb_codepoint_t min_v = HB_CODEPOINT_INVALID;
hb_codepoint_t max_v = 0;
};
template <bool atomic = false>
struct hb_bit_vector_t
{
using int_t = uint64_t;
using elt_t = typename std::conditional<atomic, hb_atomic_t<int_t>, int_t>::type;
hb_bit_vector_t () = delete;
hb_bit_vector_t (const hb_bit_vector_t &other) = delete;
hb_bit_vector_t &operator= (const hb_bit_vector_t &other) = delete;
// Move
hb_bit_vector_t (hb_bit_vector_t &&other)
: min_v (other.min_v), max_v (other.max_v), count (other.count), elts (other.elts)
{
other.min_v = other.max_v = other.count = 0;
other.elts = nullptr;
}
hb_bit_vector_t &operator= (hb_bit_vector_t &&other)
{
hb_swap (min_v, other.min_v);
hb_swap (max_v, other.max_v);
hb_swap (count, other.count);
hb_swap (elts, other.elts);
return *this;
}
hb_bit_vector_t (unsigned min_v, unsigned max_v)
: min_v (min_v), max_v (max_v)
{
if (unlikely (min_v >= max_v))
{
min_v = max_v = count = 0;
return;
}
unsigned num = (max_v - min_v + sizeof (int_t) * 8) / (sizeof (int_t) * 8);
elts = (elt_t *) hb_calloc (num, sizeof (int_t));
if (unlikely (!elts))
{
min_v = max_v = count = 0;
return;
}
count = max_v - min_v + 1;
}
~hb_bit_vector_t ()
{
hb_free (elts);
}
void add (hb_codepoint_t g) { elt (g) |= mask (g); }
void del (hb_codepoint_t g) { elt (g) &= ~mask (g); }
void set (hb_codepoint_t g, bool value) { if (value) add (g); else del (g); }
bool get (hb_codepoint_t g) const { return elt (g) & mask (g); }
bool has (hb_codepoint_t g) const { return get (g); }
bool may_have (hb_codepoint_t g) const { return get (g); }
bool operator [] (hb_codepoint_t g) const { return get (g); }
bool operator () (hb_codepoint_t g) const { return get (g); }
void add_range (hb_codepoint_t a, hb_codepoint_t b)
{
if (unlikely (!count || a > b || a < min_v || b > max_v))
return;
elt_t *la = &elt (a);
elt_t *lb = &elt (b);
if (la == lb)
*la |= (mask (b) << 1) - mask(a);
else
{
*la |= ~(mask (a) - 1llu);
la++;
hb_memset (la, 0xff, (char *) lb - (char *) la);
*lb |= ((mask (b) << 1) - 1llu);
}
}
void del_range (hb_codepoint_t a, hb_codepoint_t b)
{
if (unlikely (!count || a > b || a < min_v || b > max_v))
return;
elt_t *la = &elt (a);
elt_t *lb = &elt (b);
if (la == lb)
*la &= ~((mask (b) << 1llu) - mask(a));
else
{
*la &= mask (a) - 1;
la++;
hb_memset (la, 0, (char *) lb - (char *) la);
*lb &= ~((mask (b) << 1) - 1llu);
}
}
void set_range (hb_codepoint_t a, hb_codepoint_t b, bool v)
{ if (v) add_range (a, b); else del_range (a, b); }
template <typename set_t>
void union_ (const set_t &set)
{
for (hb_codepoint_t g : set)
add (g);
}
static const unsigned int ELT_BITS = sizeof (elt_t) * 8;
static constexpr unsigned ELT_MASK = ELT_BITS - 1;
static constexpr elt_t zero = 0;
elt_t &elt (hb_codepoint_t g)
{
g -= min_v;
if (unlikely (g >= count))
return Crap(elt_t);
return elts[g / ELT_BITS];
}
const elt_t& elt (hb_codepoint_t g) const
{
g -= min_v;
if (unlikely (g >= count))
return Null(elt_t);
return elts[g / ELT_BITS];
}
static constexpr int_t mask (hb_codepoint_t g) { return elt_t (1) << (g & ELT_MASK); }
hb_codepoint_t min_v = 0, max_v = 0, count = 0;
elt_t *elts = nullptr;
};
#endif /* HB_BIT_VECTOR_HH */

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@ -34,285 +34,247 @@
#line 36 "hb-buffer-deserialize-text-glyphs.hh" #line 36 "hb-buffer-deserialize-text-glyphs.hh"
static const unsigned char _deserialize_text_glyphs_trans_keys[] = { static const unsigned char _deserialize_text_glyphs_trans_keys[] = {
0u, 0u, 48u, 57u, 45u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 48u, 57u, 45u, 57u, 0u, 0u, 35u, 124u, 48u, 57u, 93u, 124u, 45u, 57u, 48u, 57u, 35u, 124u, 45u, 57u,
48u, 57u, 44u, 44u, 45u, 57u, 48u, 57u, 44u, 57u, 43u, 124u, 9u, 124u, 9u, 124u, 48u, 57u, 35u, 124u, 35u, 124u, 35u, 124u, 48u, 57u, 35u, 124u, 45u, 57u, 48u, 57u,
9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 44u, 44u, 45u, 57u, 48u, 57u, 35u, 124u, 35u, 124u, 44u, 57u, 35u, 124u, 43u, 124u,
9u, 124u, 9u, 124u, 9u, 124u, 0 48u, 124u, 35u, 124u, 35u, 124u, 35u, 124u, 0
}; };
static const char _deserialize_text_glyphs_key_spans[] = { static const char _deserialize_text_glyphs_key_spans[] = {
0, 10, 13, 10, 13, 10, 10, 13, 0, 90, 10, 32, 13, 10, 90, 13,
10, 1, 13, 10, 14, 82, 116, 116, 10, 90, 90, 90, 10, 90, 13, 10,
116, 116, 116, 116, 116, 116, 116, 116, 1, 13, 10, 90, 90, 14, 90, 82,
116, 116, 116 77, 90, 90, 90
}; };
static const short _deserialize_text_glyphs_index_offsets[] = { static const short _deserialize_text_glyphs_index_offsets[] = {
0, 0, 11, 25, 36, 50, 61, 72, 0, 0, 91, 102, 135, 149, 160, 251,
86, 97, 99, 113, 124, 139, 222, 339, 265, 276, 367, 458, 549, 560, 651, 665,
456, 573, 690, 807, 924, 1041, 1158, 1275, 676, 678, 692, 703, 794, 885, 900, 991,
1392, 1509, 1626 1074, 1152, 1243, 1334
}; };
static const char _deserialize_text_glyphs_indicies[] = { static const char _deserialize_text_glyphs_indicies[] = {
0, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0,
2, 2, 2, 1, 3, 1, 1, 4, 0, 2, 3, 0, 0, 0, 0, 0,
5, 5, 5, 5, 5, 5, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0,
5, 1, 6, 7, 7, 7, 7, 7, 0, 0, 0, 4, 0, 0, 5, 0,
7, 7, 7, 7, 1, 8, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
9, 10, 10, 10, 10, 10, 10, 10, 0, 0, 0, 0, 0, 0, 0, 0,
10, 10, 1, 11, 12, 12, 12, 12, 0, 0, 0, 0, 0, 0, 0, 0,
12, 12, 12, 12, 12, 1, 13, 14, 0, 0, 6, 7, 0, 0, 0, 0,
14, 14, 14, 14, 14, 14, 14, 14, 0, 0, 0, 0, 0, 0, 0, 0,
1, 15, 1, 1, 16, 17, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0,
17, 17, 17, 17, 17, 17, 1, 18, 0, 0, 0, 0, 0, 0, 0, 0,
19, 19, 19, 19, 19, 19, 19, 19, 0, 0, 7, 0, 8, 9, 9, 9,
19, 1, 20, 1, 21, 1, 1, 22, 9, 9, 9, 9, 9, 9, 3, 10,
23, 23, 23, 23, 23, 23, 23, 23, 3, 3, 3, 3, 3, 3, 3, 3,
23, 1, 24, 25, 25, 25, 25, 25, 3, 3, 3, 3, 3, 3, 3, 3,
25, 25, 25, 25, 1, 20, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 19, 19, 19, 19, 19, 19, 19, 3, 3, 3, 3, 3, 3, 10, 3,
19, 19, 19, 1, 26, 26, 1, 1, 11, 3, 3, 12, 13, 13, 13, 13,
1, 1, 1, 1, 1, 1, 1, 1, 13, 13, 13, 13, 13, 3, 14, 15,
1, 1, 1, 1, 1, 1, 26, 1, 15, 15, 15, 15, 15, 15, 15, 15,
1, 26, 1, 1, 1, 1, 1, 1, 3, 16, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 17, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 26, 26, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 26, 1, 28, 3, 3, 3, 18, 3, 3, 3, 3,
28, 28, 28, 28, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 18, 3, 19, 3, 3, 20,
21, 21, 21, 21, 21, 21, 21, 21,
21, 3, 22, 23, 23, 23, 23, 23,
23, 23, 23, 23, 3, 24, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 25,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 25, 3,
24, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 23, 23, 23,
23, 23, 23, 23, 23, 23, 23, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 25, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 25, 3, 16, 3, 3, 3, 3,
3, 3, 3, 3, 17, 3, 3, 3,
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 18, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 18, 3, 26, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 28, 27, 3, 28, 3, 3, 3, 3, 3, 3,
27, 29, 27, 27, 27, 27, 27, 27, 3, 29, 3, 3, 3, 3, 3, 3,
27, 30, 1, 27, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3,
27, 27, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 30, 3,
27, 27, 27, 31, 27, 27, 32, 27, 3, 3, 3, 3, 3, 3, 3, 3,
27, 27, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3,
27, 27, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3,
27, 27, 27, 27, 27, 27, 27, 27, 3, 3, 3, 31, 3, 3, 3, 3,
27, 27, 33, 1, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3,
27, 27, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3,
27, 27, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 3, 3, 3, 3,
27, 27, 27, 27, 27, 27, 27, 27, 3, 3, 31, 3, 32, 3, 3, 33,
27, 27, 28, 27, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
34, 26, 26, 26, 26, 26, 26, 26, 34, 3, 35, 36, 36, 36, 36, 36,
26, 26, 26, 26, 26, 26, 26, 26, 36, 36, 36, 36, 3, 37, 3, 38,
26, 26, 26, 34, 26, 26, 35, 26, 3, 3, 39, 40, 40, 40, 40, 40,
26, 26, 26, 26, 26, 26, 36, 1, 40, 40, 40, 40, 3, 41, 42, 42,
26, 26, 26, 26, 26, 26, 26, 26, 42, 42, 42, 42, 42, 42, 42, 3,
26, 26, 26, 26, 26, 26, 26, 26, 43, 3, 3, 3, 3, 3, 3, 3,
37, 26, 26, 38, 26, 26, 26, 26, 44, 3, 3, 3, 3, 3, 3, 3,
26, 26, 26, 26, 26, 26, 26, 26, 3, 3, 3, 3, 3, 3, 3, 3,
26, 26, 26, 26, 26, 26, 26, 26, 3, 3, 3, 3, 3, 3, 3, 3,
26, 26, 26, 26, 26, 26, 26, 39, 3, 3, 3, 3, 3, 3, 3, 3,
1, 26, 26, 26, 26, 26, 26, 26, 3, 3, 3, 3, 3, 3, 3, 3,
26, 26, 26, 26, 26, 26, 26, 26, 3, 3, 3, 3, 3, 3, 3, 3,
26, 26, 26, 26, 26, 26, 26, 26, 3, 3, 45, 3, 3, 3, 3, 3,
26, 26, 26, 26, 26, 26, 26, 40, 3, 3, 3, 3, 3, 3, 3, 3,
26, 41, 41, 41, 41, 41, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 45, 3, 43, 3, 3, 3, 3,
41, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 44, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 42, 42, 42, 42, 42, 42, 42, 42,
1, 1, 1, 1, 1, 1, 1, 1, 42, 42, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 45, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 45, 3, 37, 3,
1, 1, 1, 1, 42, 1, 43, 43, 3, 3, 36, 36, 36, 36, 36, 36,
43, 43, 43, 1, 1, 1, 1, 1, 36, 36, 36, 36, 3, 28, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 29, 3, 3,
1, 1, 1, 1, 1, 43, 1, 1, 3, 3, 46, 46, 46, 46, 46, 46,
1, 1, 1, 1, 1, 1, 1, 1, 46, 46, 46, 46, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 30, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 31,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 31, 3,
1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 44, 1, 41, 41, 41, 41, 41, 3, 3, 0, 3, 3, 0, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 41, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 0, 0, 3, 3, 3, 3, 3,
1, 1, 45, 45, 45, 45, 45, 45, 3, 3, 3, 3, 3, 3, 3, 3,
45, 45, 45, 45, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 0, 3, 47, 47, 47, 47, 47,
1, 1, 1, 1, 1, 1, 1, 1, 47, 47, 47, 47, 47, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 42, 1, 10, 3, 3, 3, 3, 3, 3, 3,
46, 46, 46, 46, 46, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 46, 3, 3, 3, 3, 3, 3, 3, 10,
1, 1, 47, 1, 1, 1, 1, 1, 3, 49, 48, 48, 48, 48, 48, 48,
1, 1, 1, 48, 1, 1, 1, 1, 48, 50, 3, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 51, 48, 48, 52, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 53, 54, 55, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 49, 1, 50, 50, 50, 48, 48, 55, 48, 57, 56, 56, 56,
50, 50, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 58, 3, 56, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 56, 56, 56, 56,
1, 1, 1, 1, 50, 1, 1, 51, 56, 56, 56, 56, 56, 56, 59, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 60, 56, 56, 56, 56, 56, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 56, 56, 56, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 56, 56, 56, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 56, 61, 62, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 56, 56, 56, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 56, 56, 56, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 56, 56, 56, 56,
1, 1, 1, 1, 1, 1, 1, 1, 56, 56, 56, 56, 56, 62, 56, 63,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 64,
1, 1, 1, 1, 1, 1, 1, 1, 3, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
52, 1, 50, 50, 50, 50, 50, 1, 48, 65, 48, 48, 66, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 50, 1, 1, 51, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 54, 67, 48, 48, 48, 48, 48, 48,
1, 12, 12, 12, 12, 12, 12, 12, 48, 48, 48, 48, 48, 48, 48, 48,
12, 12, 12, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 48, 48, 48, 48, 48, 48, 48, 48,
1, 1, 1, 1, 1, 1, 1, 1, 67, 48, 0
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 52, 1, 46,
46, 46, 46, 46, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 46, 1,
1, 47, 1, 1, 1, 1, 1, 1,
1, 1, 48, 1, 1, 1, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 49, 1, 53, 53, 53, 53,
53, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 53, 1, 1, 54, 1,
1, 1, 1, 1, 1, 1, 55, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 56, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 57,
1, 58, 58, 58, 58, 58, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
58, 1, 1, 59, 1, 1, 1, 1,
1, 1, 1, 60, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 61, 1, 58, 58,
58, 58, 58, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 58, 1, 1,
59, 1, 1, 1, 1, 1, 1, 1,
60, 1, 1, 1, 1, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 61, 1, 53, 53, 53, 53, 53,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 53, 1, 1, 54, 1, 1,
1, 1, 1, 1, 1, 55, 1, 1,
1, 1, 62, 62, 62, 62, 62, 62,
62, 62, 62, 62, 1, 1, 1, 1,
1, 1, 56, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 57, 1,
0
}; };
static const char _deserialize_text_glyphs_trans_targs[] = { static const char _deserialize_text_glyphs_trans_targs[] = {
16, 0, 18, 3, 19, 22, 19, 22, 1, 2, 4, 0, 12, 14, 23, 26,
5, 20, 21, 20, 21, 23, 26, 8, 3, 24, 26, 5, 6, 11, 6, 11,
9, 12, 9, 12, 10, 11, 24, 25, 2, 7, 26, 8, 9, 10, 9, 10,
24, 25, 15, 15, 14, 1, 2, 6, 2, 26, 13, 22, 2, 4, 14, 26,
7, 13, 15, 1, 2, 6, 7, 13, 15, 16, 21, 16, 21, 17, 18, 19,
14, 17, 14, 17, 14, 18, 17, 1, 20, 19, 20, 2, 4, 26, 22, 24,
4, 14, 17, 1, 14, 17, 1, 2, 1, 2, 4, 12, 14, 27, 23, 26,
7, 14, 17, 1, 2, 14, 26 1, 2, 4, 12, 14, 23, 26, 2,
4, 12, 14, 26
}; };
static const char _deserialize_text_glyphs_trans_actions[] = { static const char _deserialize_text_glyphs_trans_actions[] = {
1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1,
1, 1, 1, 0, 0, 1, 1, 1, 2, 2, 3, 2, 2, 2, 0, 0,
1, 1, 0, 0, 2, 1, 1, 1, 4, 4, 4, 2, 2, 2, 0, 0,
0, 0, 0, 4, 3, 5, 5, 5, 5, 5, 2, 2, 6, 6, 6, 6,
5, 4, 6, 7, 7, 7, 7, 0, 2, 2, 2, 0, 0, 7, 2, 2,
6, 8, 8, 0, 0, 0, 9, 10, 2, 0, 0, 8, 8, 8, 0, 0,
10, 9, 11, 12, 11, 13, 14, 14, 9, 10, 10, 10, 10, 9, 9, 10,
14, 13, 15, 16, 16, 15, 0 12, 13, 13, 13, 13, 12, 13, 14,
14, 14, 14, 14
}; };
static const char _deserialize_text_glyphs_eof_actions[] = { static const char _deserialize_text_glyphs_eof_actions[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 3, 6, 0, 0, 0, 0, 0, 0, 0, 0,
8, 0, 8, 9, 11, 11, 9, 13, 0, 0, 0, 0, 0, 0, 0, 0,
15, 15, 13 0, 0, 11, 0
}; };
static const int deserialize_text_glyphs_start = 14; static const int deserialize_text_glyphs_start = 25;
static const int deserialize_text_glyphs_first_final = 14; static const int deserialize_text_glyphs_first_final = 25;
static const int deserialize_text_glyphs_error = 0; static const int deserialize_text_glyphs_error = 0;
static const int deserialize_text_glyphs_en_main = 14; static const int deserialize_text_glyphs_en_main = 25;
#line 98 "hb-buffer-deserialize-text-glyphs.rl" #line 99 "hb-buffer-deserialize-text-glyphs.rl"
static hb_bool_t static hb_bool_t
@ -322,39 +284,22 @@ _hb_buffer_deserialize_text_glyphs (hb_buffer_t *buffer,
const char **end_ptr, const char **end_ptr,
hb_font_t *font) hb_font_t *font)
{ {
const char *p = buf, *pe = buf + buf_len, *eof = pe, *orig_pe = pe; const char *p = buf, *pe = buf + buf_len, *eof = pe;
/* Ensure we have positions. */ /* Ensure we have positions. */
(void) hb_buffer_get_glyph_positions (buffer, nullptr); (void) hb_buffer_get_glyph_positions (buffer, nullptr);
while (p < pe && ISSPACE (*p))
p++;
if (p < pe && *p == (buffer->len ? '|' : '['))
*end_ptr = ++p;
const char *end = strchr ((char *) p, ']');
if (end)
pe = eof = end;
else
{
end = strrchr ((char *) p, '|');
if (end)
pe = eof = end;
else
pe = eof = p;
}
const char *tok = nullptr; const char *tok = nullptr;
int cs; int cs;
hb_glyph_info_t info = {0}; hb_glyph_info_t info = {0};
hb_glyph_position_t pos = {0}; hb_glyph_position_t pos = {0};
#line 353 "hb-buffer-deserialize-text-glyphs.hh" #line 298 "hb-buffer-deserialize-text-glyphs.hh"
{ {
cs = deserialize_text_glyphs_start; cs = deserialize_text_glyphs_start;
} }
#line 358 "hb-buffer-deserialize-text-glyphs.hh" #line 303 "hb-buffer-deserialize-text-glyphs.hh"
{ {
int _slen; int _slen;
int _trans; int _trans;
@ -379,13 +324,13 @@ _resume:
goto _again; goto _again;
switch ( _deserialize_text_glyphs_trans_actions[_trans] ) { switch ( _deserialize_text_glyphs_trans_actions[_trans] ) {
case 1: case 2:
#line 51 "hb-buffer-deserialize-text-glyphs.rl" #line 51 "hb-buffer-deserialize-text-glyphs.rl"
{ {
tok = p; tok = p;
} }
break; break;
case 7: case 1:
#line 55 "hb-buffer-deserialize-text-glyphs.rl" #line 55 "hb-buffer-deserialize-text-glyphs.rl"
{ {
/* TODO Unescape delimiters. */ /* TODO Unescape delimiters. */
@ -393,40 +338,53 @@ _resume:
tok, p - tok, tok, p - tok,
&info.codepoint)) &info.codepoint))
return false; return false;
}
break;
case 14:
#line 63 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_uint (tok, p, &info.cluster )) return false; }
break;
case 2:
#line 64 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.x_offset )) return false; }
break;
case 16:
#line 65 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.y_offset )) return false; }
break;
case 10:
#line 66 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.x_advance)) return false; }
break;
case 12:
#line 67 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.y_advance)) return false; }
break;
case 4:
#line 38 "hb-buffer-deserialize-text-glyphs.rl"
{
hb_memset (&info, 0, sizeof (info));
hb_memset (&pos , 0, sizeof (pos ));
}
#line 51 "hb-buffer-deserialize-text-glyphs.rl"
{
tok = p;
} }
break; break;
case 6: case 6:
#line 63 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_uint (tok, p, &info.cluster )) return false; }
break;
case 7:
#line 64 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.x_offset )) return false; }
break;
case 8:
#line 65 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.y_offset )) return false; }
break;
case 4:
#line 66 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.x_advance)) return false; }
break;
case 5:
#line 67 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.y_advance)) return false; }
break;
case 3:
#line 68 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_uint (tok, p, &info.mask )) return false; }
break;
case 9:
#line 38 "hb-buffer-deserialize-text-glyphs.rl"
{
hb_memset (&info, 0, sizeof (info));
hb_memset (&pos , 0, sizeof (pos ));
}
#line 51 "hb-buffer-deserialize-text-glyphs.rl"
{
tok = p;
}
break;
case 10:
#line 38 "hb-buffer-deserialize-text-glyphs.rl"
{
hb_memset (&info, 0, sizeof (info));
hb_memset (&pos , 0, sizeof (pos ));
}
#line 51 "hb-buffer-deserialize-text-glyphs.rl"
{
tok = p;
}
#line 55 "hb-buffer-deserialize-text-glyphs.rl" #line 55 "hb-buffer-deserialize-text-glyphs.rl"
{ {
/* TODO Unescape delimiters. */ /* TODO Unescape delimiters. */
@ -435,6 +393,8 @@ _resume:
&info.codepoint)) &info.codepoint))
return false; return false;
} }
break;
case 12:
#line 43 "hb-buffer-deserialize-text-glyphs.rl" #line 43 "hb-buffer-deserialize-text-glyphs.rl"
{ {
buffer->add_info (info); buffer->add_info (info);
@ -442,11 +402,37 @@ _resume:
return false; return false;
buffer->pos[buffer->len - 1] = pos; buffer->pos[buffer->len - 1] = pos;
*end_ptr = p; *end_ptr = p;
}
#line 38 "hb-buffer-deserialize-text-glyphs.rl"
{
hb_memset (&info, 0, sizeof (info));
hb_memset (&pos , 0, sizeof (pos ));
}
#line 51 "hb-buffer-deserialize-text-glyphs.rl"
{
tok = p;
}
break;
case 14:
#line 55 "hb-buffer-deserialize-text-glyphs.rl"
{
/* TODO Unescape delimiters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 38 "hb-buffer-deserialize-text-glyphs.rl"
{
hb_memset (&info, 0, sizeof (info));
hb_memset (&pos , 0, sizeof (pos ));
}
#line 51 "hb-buffer-deserialize-text-glyphs.rl"
{
tok = p;
} }
break; break;
case 13: case 13:
#line 63 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_uint (tok, p, &info.cluster )) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl" #line 43 "hb-buffer-deserialize-text-glyphs.rl"
{ {
buffer->add_info (info); buffer->add_info (info);
@ -455,56 +441,6 @@ _resume:
buffer->pos[buffer->len - 1] = pos; buffer->pos[buffer->len - 1] = pos;
*end_ptr = p; *end_ptr = p;
} }
break;
case 15:
#line 65 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.y_offset )) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 9:
#line 66 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.x_advance)) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 11:
#line 67 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.y_advance)) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 8:
#line 68 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_uint (tok, p, &info.mask )) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 5:
#line 38 "hb-buffer-deserialize-text-glyphs.rl" #line 38 "hb-buffer-deserialize-text-glyphs.rl"
{ {
hb_memset (&info, 0, sizeof (info)); hb_memset (&info, 0, sizeof (info));
@ -523,34 +459,7 @@ _resume:
return false; return false;
} }
break; break;
case 3: #line 463 "hb-buffer-deserialize-text-glyphs.hh"
#line 38 "hb-buffer-deserialize-text-glyphs.rl"
{
hb_memset (&info, 0, sizeof (info));
hb_memset (&pos , 0, sizeof (pos ));
}
#line 51 "hb-buffer-deserialize-text-glyphs.rl"
{
tok = p;
}
#line 55 "hb-buffer-deserialize-text-glyphs.rl"
{
/* TODO Unescape delimiters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
#line 554 "hb-buffer-deserialize-text-glyphs.hh"
} }
_again: _again:
@ -562,63 +471,7 @@ _again:
if ( p == eof ) if ( p == eof )
{ {
switch ( _deserialize_text_glyphs_eof_actions[cs] ) { switch ( _deserialize_text_glyphs_eof_actions[cs] ) {
case 6:
#line 55 "hb-buffer-deserialize-text-glyphs.rl"
{
/* TODO Unescape delimiters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 13:
#line 63 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_uint (tok, p, &info.cluster )) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 15:
#line 65 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.y_offset )) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 9:
#line 66 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.x_advance)) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 11: case 11:
#line 67 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_int (tok, p, &pos.y_advance)) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl" #line 43 "hb-buffer-deserialize-text-glyphs.rl"
{ {
buffer->add_info (info); buffer->add_info (info);
@ -628,62 +481,16 @@ _again:
*end_ptr = p; *end_ptr = p;
} }
break; break;
case 8: #line 485 "hb-buffer-deserialize-text-glyphs.hh"
#line 68 "hb-buffer-deserialize-text-glyphs.rl"
{ if (!parse_uint (tok, p, &info.mask )) return false; }
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 3:
#line 38 "hb-buffer-deserialize-text-glyphs.rl"
{
hb_memset (&info, 0, sizeof (info));
hb_memset (&pos , 0, sizeof (pos ));
}
#line 51 "hb-buffer-deserialize-text-glyphs.rl"
{
tok = p;
}
#line 55 "hb-buffer-deserialize-text-glyphs.rl"
{
/* TODO Unescape delimiters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 43 "hb-buffer-deserialize-text-glyphs.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
#line 671 "hb-buffer-deserialize-text-glyphs.hh"
} }
} }
_out: {} _out: {}
} }
#line 136 "hb-buffer-deserialize-text-glyphs.rl" #line 120 "hb-buffer-deserialize-text-glyphs.rl"
if (pe < orig_pe && *pe == ']')
{
pe++;
if (p == pe)
p++;
}
*end_ptr = p; *end_ptr = p;
return p == pe; return p == pe;

View File

@ -34,135 +34,106 @@
#line 36 "hb-buffer-deserialize-text-unicode.hh" #line 36 "hb-buffer-deserialize-text-unicode.hh"
static const unsigned char _deserialize_text_unicode_trans_keys[] = { static const unsigned char _deserialize_text_unicode_trans_keys[] = {
0u, 0u, 9u, 117u, 43u, 102u, 48u, 102u, 48u, 57u, 9u, 124u, 9u, 124u, 9u, 124u, 0u, 0u, 43u, 102u, 48u, 102u, 48u, 124u, 48u, 57u, 62u, 124u, 48u, 124u, 60u, 117u,
9u, 124u, 0 85u, 117u, 85u, 117u, 0
}; };
static const char _deserialize_text_unicode_key_spans[] = { static const char _deserialize_text_unicode_key_spans[] = {
0, 109, 60, 55, 10, 116, 116, 116, 0, 60, 55, 77, 10, 63, 77, 58,
116 33, 33
}; };
static const short _deserialize_text_unicode_index_offsets[] = { static const short _deserialize_text_unicode_index_offsets[] = {
0, 0, 110, 171, 227, 238, 355, 472, 0, 0, 61, 117, 195, 206, 270, 348,
589 407, 441
}; };
static const char _deserialize_text_unicode_indicies[] = { static const char _deserialize_text_unicode_indicies[] = {
0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 1, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 1, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 4, 5, 1, 1, 3,
3, 3, 3, 3, 3, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 3,
3, 3, 3, 3, 3, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 5, 1, 6, 7, 7, 7,
7, 7, 7, 7, 7, 7, 1, 8,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 8, 1, 9,
9, 9, 9, 9, 9, 9, 9, 9,
9, 1, 1, 1, 1, 8, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 2, 1, 3,
1, 1, 1, 1, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 1, 1,
1, 1, 1, 1, 1, 4, 4, 4,
4, 4, 4, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 4, 4, 4,
4, 4, 4, 1, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 1, 1,
1, 1, 1, 1, 1, 4, 4, 4,
4, 4, 4, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 4, 4, 4, 1, 1, 1, 8, 1, 10, 1, 1,
4, 4, 4, 1, 5, 6, 6, 6,
6, 6, 6, 6, 6, 6, 1, 7,
7, 7, 7, 7, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 7, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
1, 1, 1, 9, 1, 1, 1, 8,
8, 8, 8, 8, 8, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 8, 1, 1, 1, 1, 1, 1, 11, 1,
8, 8, 8, 8, 8, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 10, 1, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 11, 1,
11, 1, 1, 1, 1, 1, 1, 1, 11, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
11, 1, 12, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 12, 1, 0
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 0,
1, 12, 12, 12, 12, 12, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
12, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 13, 1, 12, 12,
12, 12, 12, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 12, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 13, 1, 0
}; };
static const char _deserialize_text_unicode_trans_targs[] = { static const char _deserialize_text_unicode_trans_targs[] = {
1, 0, 2, 3, 5, 7, 8, 6, 2, 0, 3, 3, 4, 9, 5, 6,
5, 4, 1, 6, 6, 1, 8 9, 6, 8, 1, 1
}; };
static const char _deserialize_text_unicode_trans_actions[] = { static const char _deserialize_text_unicode_trans_actions[] = {
0, 0, 1, 0, 2, 2, 2, 3, 0, 0, 1, 0, 2, 2, 1, 1,
0, 4, 3, 0, 5, 5, 0 3, 0, 0, 4, 6
}; };
static const char _deserialize_text_unicode_eof_actions[] = { static const char _deserialize_text_unicode_eof_actions[] = {
0, 0, 0, 0, 0, 3, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0,
5 0, 5
}; };
static const int deserialize_text_unicode_start = 1; static const int deserialize_text_unicode_start = 7;
static const int deserialize_text_unicode_first_final = 5; static const int deserialize_text_unicode_first_final = 7;
static const int deserialize_text_unicode_error = 0; static const int deserialize_text_unicode_error = 0;
static const int deserialize_text_unicode_en_main = 1; static const int deserialize_text_unicode_en_main = 7;
#line 79 "hb-buffer-deserialize-text-unicode.rl" #line 80 "hb-buffer-deserialize-text-unicode.rl"
static hb_bool_t static hb_bool_t
@ -172,37 +143,19 @@ _hb_buffer_deserialize_text_unicode (hb_buffer_t *buffer,
const char **end_ptr, const char **end_ptr,
hb_font_t *font) hb_font_t *font)
{ {
const char *p = buf, *pe = buf + buf_len, *eof = pe, *orig_pe = pe; const char *p = buf, *pe = buf + buf_len, *eof = pe;
while (p < pe && ISSPACE (*p))
p++;
if (p < pe && *p == (buffer->len ? '|' : '<'))
*end_ptr = ++p;
const char *end = strchr ((char *) p, '>');
if (end)
pe = eof = end;
else
{
end = strrchr ((char *) p, '|');
if (end)
pe = eof = end;
else
pe = eof = p;
}
const char *tok = nullptr; const char *tok = nullptr;
int cs; int cs;
hb_glyph_info_t info = {0}; hb_glyph_info_t info = {0};
const hb_glyph_position_t pos = {0}; const hb_glyph_position_t pos = {0};
#line 201 "hb-buffer-deserialize-text-unicode.hh" #line 154 "hb-buffer-deserialize-text-unicode.hh"
{ {
cs = deserialize_text_unicode_start; cs = deserialize_text_unicode_start;
} }
#line 206 "hb-buffer-deserialize-text-unicode.hh" #line 159 "hb-buffer-deserialize-text-unicode.hh"
{ {
int _slen; int _slen;
int _trans; int _trans;
@ -227,38 +180,27 @@ _resume:
goto _again; goto _again;
switch ( _deserialize_text_unicode_trans_actions[_trans] ) { switch ( _deserialize_text_unicode_trans_actions[_trans] ) {
case 1: case 4:
#line 38 "hb-buffer-deserialize-text-unicode.rl" #line 38 "hb-buffer-deserialize-text-unicode.rl"
{ {
hb_memset (&info, 0, sizeof (info)); hb_memset (&info, 0, sizeof (info));
} }
break; break;
case 2: case 1:
#line 51 "hb-buffer-deserialize-text-unicode.rl" #line 51 "hb-buffer-deserialize-text-unicode.rl"
{ {
tok = p; tok = p;
} }
break; break;
case 4: case 2:
#line 55 "hb-buffer-deserialize-text-unicode.rl" #line 55 "hb-buffer-deserialize-text-unicode.rl"
{if (!parse_hex (tok, p, &info.codepoint )) return false; } {if (!parse_hex (tok, p, &info.codepoint )) return false; }
break; break;
case 3: case 3:
#line 55 "hb-buffer-deserialize-text-unicode.rl"
{if (!parse_hex (tok, p, &info.codepoint )) return false; }
#line 42 "hb-buffer-deserialize-text-unicode.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
if (buffer->have_positions)
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 5:
#line 57 "hb-buffer-deserialize-text-unicode.rl" #line 57 "hb-buffer-deserialize-text-unicode.rl"
{ if (!parse_uint (tok, p, &info.cluster )) return false; } { if (!parse_uint (tok, p, &info.cluster )) return false; }
break;
case 6:
#line 42 "hb-buffer-deserialize-text-unicode.rl" #line 42 "hb-buffer-deserialize-text-unicode.rl"
{ {
buffer->add_info (info); buffer->add_info (info);
@ -267,9 +209,13 @@ _resume:
if (buffer->have_positions) if (buffer->have_positions)
buffer->pos[buffer->len - 1] = pos; buffer->pos[buffer->len - 1] = pos;
*end_ptr = p; *end_ptr = p;
}
#line 38 "hb-buffer-deserialize-text-unicode.rl"
{
hb_memset (&info, 0, sizeof (info));
} }
break; break;
#line 273 "hb-buffer-deserialize-text-unicode.hh" #line 219 "hb-buffer-deserialize-text-unicode.hh"
} }
_again: _again:
@ -281,22 +227,7 @@ _again:
if ( p == eof ) if ( p == eof )
{ {
switch ( _deserialize_text_unicode_eof_actions[cs] ) { switch ( _deserialize_text_unicode_eof_actions[cs] ) {
case 3:
#line 55 "hb-buffer-deserialize-text-unicode.rl"
{if (!parse_hex (tok, p, &info.codepoint )) return false; }
#line 42 "hb-buffer-deserialize-text-unicode.rl"
{
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
if (buffer->have_positions)
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
break;
case 5: case 5:
#line 57 "hb-buffer-deserialize-text-unicode.rl"
{ if (!parse_uint (tok, p, &info.cluster )) return false; }
#line 42 "hb-buffer-deserialize-text-unicode.rl" #line 42 "hb-buffer-deserialize-text-unicode.rl"
{ {
buffer->add_info (info); buffer->add_info (info);
@ -307,23 +238,16 @@ _again:
*end_ptr = p; *end_ptr = p;
} }
break; break;
#line 311 "hb-buffer-deserialize-text-unicode.hh" #line 242 "hb-buffer-deserialize-text-unicode.hh"
} }
} }
_out: {} _out: {}
} }
#line 115 "hb-buffer-deserialize-text-unicode.rl" #line 98 "hb-buffer-deserialize-text-unicode.rl"
if (pe < orig_pe && *pe == '>')
{
pe++;
if (p == pe)
p++;
}
*end_ptr = p; *end_ptr = p;
return p == pe; return p == pe;

View File

@ -169,11 +169,13 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS) if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
{ {
hb_glyph_extents_t extents; hb_glyph_extents_t extents;
hb_font_get_glyph_extents(font, info[i].codepoint, &extents); if (hb_font_get_glyph_extents(font, info[i].codepoint, &extents))
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d", {
extents.x_bearing, extents.y_bearing)); p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d",
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d", extents.x_bearing, extents.y_bearing));
extents.width, extents.height)); p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d",
extents.width, extents.height));
}
} }
*p++ = '}'; *p++ = '}';
@ -318,8 +320,8 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS) if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
{ {
hb_glyph_extents_t extents; hb_glyph_extents_t extents;
hb_font_get_glyph_extents(font, info[i].codepoint, &extents); if (hb_font_get_glyph_extents(font, info[i].codepoint, &extents))
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "<%d,%d,%d,%d>", extents.x_bearing, extents.y_bearing, extents.width, extents.height)); p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "<%d,%d,%d,%d>", extents.x_bearing, extents.y_bearing, extents.width, extents.height));
} }
if (i == end-1) { if (i == end-1) {
@ -737,8 +739,7 @@ parse_hex (const char *pp, const char *end, uint32_t *pv)
* Deserializes glyphs @buffer from textual representation in the format * Deserializes glyphs @buffer from textual representation in the format
* produced by hb_buffer_serialize_glyphs(). * produced by hb_buffer_serialize_glyphs().
* *
* Return value: `true` if parse was successful, `false` if an error * Return value: `true` if the full string was parsed, `false` otherwise.
* occurred.
* *
* Since: 0.9.7 * Since: 0.9.7
**/ **/
@ -810,8 +811,7 @@ hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
* Deserializes Unicode @buffer from textual representation in the format * Deserializes Unicode @buffer from textual representation in the format
* produced by hb_buffer_serialize_unicode(). * produced by hb_buffer_serialize_unicode().
* *
* Return value: `true` if parse was successful, `false` if an error * Return value: `true` if the full string was parsed, `false` otherwise.
* occurred.
* *
* Since: 2.7.3 * Since: 2.7.3
**/ **/

View File

@ -63,24 +63,25 @@ static bool
buffer_verify_monotone (hb_buffer_t *buffer, buffer_verify_monotone (hb_buffer_t *buffer,
hb_font_t *font) hb_font_t *font)
{ {
/* Check that clusters are monotone. */ if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (buffer->cluster_level))
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES ||
buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
{ {
bool is_forward = HB_DIRECTION_IS_FORWARD (hb_buffer_get_direction (buffer)); /* Cannot perform this check without monotone clusters. */
return true;
unsigned int num_glyphs;
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs);
for (unsigned int i = 1; i < num_glyphs; i++)
if (info[i-1].cluster != info[i].cluster &&
(info[i-1].cluster < info[i].cluster) != is_forward)
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "clusters are not monotone.");
return false;
}
} }
bool is_forward = HB_DIRECTION_IS_FORWARD (hb_buffer_get_direction (buffer));
unsigned int num_glyphs;
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs);
for (unsigned int i = 1; i < num_glyphs; i++)
if (info[i-1].cluster != info[i].cluster &&
(info[i-1].cluster < info[i].cluster) != is_forward)
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "clusters are not monotone.");
return false;
}
return true; return true;
} }
@ -92,8 +93,7 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer,
unsigned int num_features, unsigned int num_features,
const char * const *shapers) const char * const *shapers)
{ {
if (buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES && if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (buffer->cluster_level))
buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
{ {
/* Cannot perform this check without monotone clusters. */ /* Cannot perform this check without monotone clusters. */
return true; return true;
@ -207,8 +207,7 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer,
unsigned int num_features, unsigned int num_features,
const char * const *shapers) const char * const *shapers)
{ {
if (buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES && if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (buffer->cluster_level))
buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS)
{ {
/* Cannot perform this check without monotone clusters. */ /* Cannot perform this check without monotone clusters. */
return true; return true;

View File

@ -518,7 +518,7 @@ void
hb_buffer_t::merge_clusters_impl (unsigned int start, hb_buffer_t::merge_clusters_impl (unsigned int start,
unsigned int end) unsigned int end)
{ {
if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS) if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (cluster_level))
{ {
unsafe_to_break (start, end); unsafe_to_break (start, end);
return; return;
@ -551,7 +551,7 @@ void
hb_buffer_t::merge_out_clusters (unsigned int start, hb_buffer_t::merge_out_clusters (unsigned int start,
unsigned int end) unsigned int end)
{ {
if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS) if (!HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (cluster_level))
return; return;
if (unlikely (end - start < 2)) if (unlikely (end - start < 2))

View File

@ -422,18 +422,34 @@ hb_buffer_get_flags (const hb_buffer_t *buffer);
* @HB_BUFFER_CLUSTER_LEVEL_CHARACTERS: Don't group cluster values. * @HB_BUFFER_CLUSTER_LEVEL_CHARACTERS: Don't group cluster values.
* @HB_BUFFER_CLUSTER_LEVEL_DEFAULT: Default cluster level, * @HB_BUFFER_CLUSTER_LEVEL_DEFAULT: Default cluster level,
* equal to @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES. * equal to @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES.
* * @HB_BUFFER_CLUSTER_LEVEL_GRAPHEMES: Only group clusters, but don't enforce monotone order.
*
* Data type for holding HarfBuzz's clustering behavior options. The cluster level * Data type for holding HarfBuzz's clustering behavior options. The cluster level
* dictates one aspect of how HarfBuzz will treat non-base characters * dictates one aspect of how HarfBuzz will treat non-base characters
* during shaping. * during shaping.
* *
* In @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES, non-base * In @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES, non-base
* characters are merged into the cluster of the base character that precedes them. * characters are merged into the cluster of the base character that precedes them.
* There is also cluster merging every time the clusters will otherwise become non-monotone.
* *
* In @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS, non-base characters are initially * In @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS, non-base characters are initially
* assigned their own cluster values, which are not merged into preceding base * assigned their own cluster values, which are not merged into preceding base
* clusters. This allows HarfBuzz to perform additional operations like reorder * clusters. This allows HarfBuzz to perform additional operations like reorder
* sequences of adjacent marks. * sequences of adjacent marks. The output is still monotone, but the cluster
* values are more granular.
*
* In @HB_BUFFER_CLUSTER_LEVEL_CHARACTERS, non-base characters are assigned their
* own cluster values, which are not merged into preceding base clusters. Moreover,
* the cluster values are not merged into monotone order. This is the most granular
* cluster level, and it is useful for clients that need to know the exact cluster
* values of each character, but is harder to use for clients, since clusters
* might appear in any order.
*
* In @HB_BUFFER_CLUSTER_LEVEL_GRAPHEMES, non-base characters are merged into the
* cluster of the base character that precedes them. This is similar to the Unicode
* Grapheme Cluster algorithm, but it is not exactly the same. The output is
* not forced to be monotone. This is useful for clients that want to use HarfBuzz
* as a cheap implementation of the Unicode Grapheme Cluster algorithm.
* *
* @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES is the default, because it maintains * @HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES is the default, because it maintains
* backward compatibility with older versions of HarfBuzz. New client programs that * backward compatibility with older versions of HarfBuzz. New client programs that
@ -446,9 +462,52 @@ typedef enum {
HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES = 0, HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES = 0,
HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS = 1, HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS = 1,
HB_BUFFER_CLUSTER_LEVEL_CHARACTERS = 2, HB_BUFFER_CLUSTER_LEVEL_CHARACTERS = 2,
HB_BUFFER_CLUSTER_LEVEL_GRAPHEMES = 3,
HB_BUFFER_CLUSTER_LEVEL_DEFAULT = HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES HB_BUFFER_CLUSTER_LEVEL_DEFAULT = HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES
} hb_buffer_cluster_level_t; } hb_buffer_cluster_level_t;
/**
* HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE:
* @level: #hb_buffer_cluster_level_t to test
*
* Tests whether a cluster level groups cluster values into monotone order.
* Requires that the level be valid.
*
* Since: 11.0.0
*/
#define HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE(level) \
((bool) ((1u << (unsigned) (level)) & \
((1u << HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) | \
(1u << HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS))))
/**
* HB_BUFFER_CLUSTER_LEVEL_IS_GRAPHEMES:
* @level: #hb_buffer_cluster_level_t to test
*
* Tests whether a cluster level groups cluster values by graphemes. Requires
* that the level be valid.
*
* Since: 11.0.0
*/
#define HB_BUFFER_CLUSTER_LEVEL_IS_GRAPHEMES(level) \
((bool) ((1u << (unsigned) (level)) & \
((1u << HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) | \
(1u << HB_BUFFER_CLUSTER_LEVEL_GRAPHEMES))))
/**
* HB_BUFFER_CLUSTER_LEVEL_IS_CHARACTERS
* @level: #hb_buffer_cluster_level_t to test
*
* Tests whether a cluster level does not group cluster values by graphemes.
* Requires that the level be valid.
*
* Since: 11.0.0
*/
#define HB_BUFFER_CLUSTER_LEVEL_IS_CHARACTERS(level) \
((bool) ((1u << (unsigned) (level)) & \
((1u << HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARCATERS) | \
(1u << HB_BUFFER_CLUSTER_LEVEL_CHARACTERS))))
HB_EXTERN void HB_EXTERN void
hb_buffer_set_cluster_level (hb_buffer_t *buffer, hb_buffer_set_cluster_level (hb_buffer_t *buffer,
hb_buffer_cluster_level_t cluster_level); hb_buffer_cluster_level_t cluster_level);

View File

@ -52,11 +52,11 @@ struct hb_cache_t
{ {
using item_t = typename std::conditional<thread_safe, using item_t = typename std::conditional<thread_safe,
typename std::conditional<key_bits + value_bits - cache_bits <= 16, typename std::conditional<key_bits + value_bits - cache_bits <= 16,
hb_atomic_short_t, hb_atomic_t<unsigned short>,
hb_atomic_int_t>::type, hb_atomic_t<unsigned int>>::type,
typename std::conditional<key_bits + value_bits - cache_bits <= 16, typename std::conditional<key_bits + value_bits - cache_bits <= 16,
short, unsigned short,
int>::type unsigned int>::type
>::type; >::type;
static_assert ((key_bits >= cache_bits), ""); static_assert ((key_bits >= cache_bits), "");

View File

@ -726,6 +726,9 @@ _hb_cairo_add_sweep_gradient_patches (hb_color_stop_t *stops,
float span; float span;
span = angles[n_stops - 1] - angles[0]; span = angles[n_stops - 1] - angles[0];
if (!span)
goto done;
k = 0; k = 0;
if (angles[0] >= 0) if (angles[0] >= 0)
{ {

View File

@ -71,7 +71,8 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
template <typename ACC> template <typename ACC>
cff2_cs_interp_env_t (const hb_ubytes_t &str, ACC &acc, unsigned int fd, cff2_cs_interp_env_t (const hb_ubytes_t &str, ACC &acc, unsigned int fd,
const int *coords_=nullptr, unsigned int num_coords_=0) const int *coords_=nullptr, unsigned int num_coords_=0)
: SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs) : SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs),
cached_scalars_vector (&acc.cached_scalars_vector)
{ {
coords = coords_; coords = coords_;
num_coords = num_coords_; num_coords = num_coords_;
@ -80,9 +81,39 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
set_ivs (acc.privateDicts[fd].ivs); set_ivs (acc.privateDicts[fd].ivs);
} }
void fini () ~cff2_cs_interp_env_t ()
{ {
SUPER::fini (); release_scalars_vector (scalars);
}
hb_vector_t<float> *acquire_scalars_vector () const
{
hb_vector_t<float> *scalars = cached_scalars_vector->get_acquire ();
if (!scalars || !cached_scalars_vector->cmpexch (scalars, nullptr))
{
scalars = (hb_vector_t<float> *) hb_calloc (1, sizeof (hb_vector_t<float>));
if (unlikely (!scalars))
return nullptr;
scalars->init ();
}
return scalars;
}
void release_scalars_vector (hb_vector_t<float> *scalars) const
{
if (!scalars)
return;
scalars->clear ();
if (!cached_scalars_vector->cmpexch (nullptr, scalars))
{
scalars->fini ();
hb_free (scalars);
}
scalars = nullptr;
} }
op_code_t fetch_op () op_code_t fetch_op ()
@ -111,14 +142,20 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
{ {
if (!seen_blend) if (!seen_blend)
{ {
region_count = varStore->varStore.get_region_index_count (get_ivs ()); scalars = acquire_scalars_vector ();
if (do_blend) if (unlikely (!scalars))
SUPER::set_error ();
else
{ {
if (unlikely (!scalars.resize_exact (region_count))) region_count = varStore->varStore.get_region_index_count (get_ivs ());
SUPER::set_error (); if (do_blend)
else {
varStore->varStore.get_region_scalars (get_ivs (), coords, num_coords, if (unlikely (!scalars->resize_exact (region_count)))
&scalars[0], region_count); SUPER::set_error ();
else
varStore->varStore.get_region_scalars (get_ivs (), coords, num_coords,
&(*scalars)[0], region_count);
}
} }
seen_blend = true; seen_blend = true;
} }
@ -149,11 +186,11 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
double v = 0; double v = 0;
if (do_blend) if (do_blend)
{ {
if (likely (scalars.length == deltas.length)) if (likely (scalars && scalars->length == deltas.length))
{ {
unsigned count = scalars.length; unsigned count = scalars->length;
for (unsigned i = 0; i < count; i++) for (unsigned i = 0; i < count; i++)
v += (double) scalars.arrayZ[i] * deltas.arrayZ[i].to_real (); v += (double) scalars->arrayZ[i] * deltas.arrayZ[i].to_real ();
} }
} }
return v; return v;
@ -167,7 +204,8 @@ struct cff2_cs_interp_env_t : cs_interp_env_t<ELEM, CFF2Subrs>
const CFF2ItemVariationStore *varStore; const CFF2ItemVariationStore *varStore;
unsigned int region_count; unsigned int region_count;
unsigned int ivs; unsigned int ivs;
hb_vector_t<float> scalars; hb_vector_t<float> *scalars = nullptr;
hb_atomic_t<hb_vector_t<float> *> *cached_scalars_vector = nullptr;
bool do_blend; bool do_blend;
bool seen_vsindex_ = false; bool seen_vsindex_ = false;
bool seen_blend = false; bool seen_blend = false;

View File

@ -42,7 +42,7 @@
/* hb_options_t */ /* hb_options_t */
hb_atomic_int_t _hb_options; hb_atomic_t<unsigned> _hb_options;
void void
_hb_options_init () _hb_options_init ()
@ -273,7 +273,7 @@ struct hb_language_item_t {
/* Thread-safe lockfree language list */ /* Thread-safe lockfree language list */
static hb_atomic_ptr_t <hb_language_item_t> langs; static hb_atomic_t<hb_language_item_t *> langs;
static inline void static inline void
free_langs () free_langs ()
@ -403,7 +403,7 @@ hb_language_to_string (hb_language_t language)
hb_language_t hb_language_t
hb_language_get_default () hb_language_get_default ()
{ {
static hb_atomic_ptr_t <hb_language_t> default_language; static hb_atomic_t<hb_language_t> default_language;
hb_language_t language = default_language; hb_language_t language = default_language;
if (unlikely (language == HB_LANGUAGE_INVALID)) if (unlikely (language == HB_LANGUAGE_INVALID))
@ -968,6 +968,9 @@ hb_feature_from_string (const char *str, int len,
* understood by hb_feature_from_string(). The client in responsible for * understood by hb_feature_from_string(). The client in responsible for
* allocating big enough size for @buf, 128 bytes is more than enough. * allocating big enough size for @buf, 128 bytes is more than enough.
* *
* Note that the feature value will be omitted if it is '1', but the
* string won't include any whitespace.
*
* Since: 0.9.5 * Since: 0.9.5
**/ **/
void void
@ -1121,6 +1124,8 @@ get_C_locale ()
* understood by hb_variation_from_string(). The client in responsible for * understood by hb_variation_from_string(). The client in responsible for
* allocating big enough size for @buf, 128 bytes is more than enough. * allocating big enough size for @buf, 128 bytes is more than enough.
* *
* Note that the string won't include any whitespace.
*
* Since: 1.4.2 * Since: 1.4.2
*/ */
void void
@ -1212,6 +1217,58 @@ uint8_t
return hb_color_get_blue (color); return hb_color_get_blue (color);
} }
/**
* hb_malloc:
* @size: The size of the memory to allocate.
*
* Allocates @size bytes of memory, using the allocator set at
* compile-time. Typically just malloc().
*
* Return value: A pointer to the allocated memory.
*
* Since: 11.0.0
**/
void* hb_malloc(size_t size) { return hb_malloc_impl (size); }
/**
* hb_calloc:
* @nmemb: The number of elements to allocate.
* @size: The size of each element.
*
* Allocates @nmemb elements of @size bytes each, initialized to zero,
* using the allocator set at compile-time. Typically just calloc().
*
* Return value: A pointer to the allocated memory.
*
* Since: 11.0.0
**/
void* hb_calloc(size_t nmemb, size_t size) { return hb_calloc_impl (nmemb, size); }
/**
* hb_realloc:
* @ptr: The pointer to the memory to reallocate.
* @size: The new size of the memory.
*
* Reallocates the memory pointed to by @ptr to @size bytes, using the
* allocator set at compile-time. Typically just realloc().
*
* Return value: A pointer to the reallocated memory.
*
* Since: 11.0.0
**/
void* hb_realloc(void *ptr, size_t size) { return hb_realloc_impl (ptr, size); }
/**
* hb_free:
* @ptr: The pointer to the memory to free.
*
* Frees the memory pointed to by @ptr, using the allocator set at
* compile-time. Typically just free().
*
* Since: 11.0.0
**/
void hb_free(void *ptr) { hb_free_impl (ptr); }
/* If there is no visibility control, then hb-static.cc will NOT /* If there is no visibility control, then hb-static.cc will NOT
* define anything. Instead, we get it to define one set in here * define anything. Instead, we get it to define one set in here

View File

@ -65,6 +65,7 @@ typedef unsigned __int64 uint64_t;
#else #else
# include <inttypes.h> # include <inttypes.h>
#endif #endif
#include <stddef.h>
#if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) #if defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
#define HB_DEPRECATED __attribute__((__deprecated__)) #define HB_DEPRECATED __attribute__((__deprecated__))
@ -948,6 +949,16 @@ typedef struct hb_glyph_extents_t {
*/ */
typedef struct hb_font_t hb_font_t; typedef struct hb_font_t hb_font_t;
/* Not of much use to clients. */
HB_EXTERN void*
hb_malloc (size_t size);
HB_EXTERN void*
hb_calloc (size_t nmemb, size_t size);
HB_EXTERN void*
hb_realloc (void *ptr, size_t size);
HB_EXTERN void
hb_free (void *ptr);
HB_END_DECLS HB_END_DECLS
#endif /* HB_COMMON_H */ #endif /* HB_COMMON_H */

View File

@ -28,7 +28,7 @@
#ifdef HAVE_CORETEXT #ifdef HAVE_CORETEXT
#include "hb-coretext.h" #include "hb-coretext.hh"
#include "hb-draw.hh" #include "hb-draw.hh"
#include "hb-font.hh" #include "hb-font.hh"
@ -42,24 +42,17 @@
# define kCTFontOrientationVertical kCTFontVerticalOrientation # define kCTFontOrientationVertical kCTFontVerticalOrientation
#endif #endif
#define MAX_GLYPHS 64u #define MAX_GLYPHS 256u
static void
_hb_coretext_font_destroy (void *font_data)
{
CTFontRef ct_font = (CTFontRef) font_data;
CFRelease (ct_font);
}
static hb_bool_t static hb_bool_t
hb_coretext_get_nominal_glyph (hb_font_t *font HB_UNUSED, hb_coretext_get_nominal_glyph (hb_font_t *font,
void *font_data, void *font_data HB_UNUSED,
hb_codepoint_t unicode, hb_codepoint_t unicode,
hb_codepoint_t *glyph, hb_codepoint_t *glyph,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
UniChar ch[2]; UniChar ch[2];
CGGlyph cg_glyph[2]; CGGlyph cg_glyph[2];
unsigned count = 0; unsigned count = 0;
@ -85,7 +78,7 @@ hb_coretext_get_nominal_glyph (hb_font_t *font HB_UNUSED,
} }
static unsigned int static unsigned int
hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED, hb_coretext_get_nominal_glyphs (hb_font_t *font,
void *font_data, void *font_data,
unsigned int count, unsigned int count,
const hb_codepoint_t *first_unicode, const hb_codepoint_t *first_unicode,
@ -94,6 +87,8 @@ hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
unsigned int glyph_stride, unsigned int glyph_stride,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
// If any non-BMP codepoint is requested, use the slow path. // If any non-BMP codepoint is requested, use the slow path.
bool slow_path = false; bool slow_path = false;
auto *unicode = first_unicode; auto *unicode = first_unicode;
@ -119,8 +114,6 @@ hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
return count; return count;
} }
CTFontRef ct_font = (CTFontRef) font_data;
UniChar ch[MAX_GLYPHS]; UniChar ch[MAX_GLYPHS];
CGGlyph cg_glyph[MAX_GLYPHS]; CGGlyph cg_glyph[MAX_GLYPHS];
for (unsigned i = 0; i < count; i += MAX_GLYPHS) for (unsigned i = 0; i < count; i += MAX_GLYPHS)
@ -152,14 +145,14 @@ hb_coretext_get_nominal_glyphs (hb_font_t *font HB_UNUSED,
} }
static hb_bool_t static hb_bool_t
hb_coretext_get_variation_glyph (hb_font_t *font HB_UNUSED, hb_coretext_get_variation_glyph (hb_font_t *font,
void *font_data, void *font_data HB_UNUSED,
hb_codepoint_t unicode, hb_codepoint_t unicode,
hb_codepoint_t variation_selector, hb_codepoint_t variation_selector,
hb_codepoint_t *glyph, hb_codepoint_t *glyph,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
UniChar ch[4]; UniChar ch[4];
CGGlyph cg_glyph[4]; CGGlyph cg_glyph[4];
@ -194,12 +187,17 @@ hb_coretext_get_variation_glyph (hb_font_t *font HB_UNUSED,
if (cg_glyph[i]) if (cg_glyph[i])
return false; return false;
// Humm. CoreText falls back to the default glyph if the variation selector
// is not supported. We cannot truly detect that case. So, in essence,
// we are always returning true here...
*glyph = cg_glyph[0]; *glyph = cg_glyph[0];
return true; return true;
} }
static void static void
hb_coretext_get_glyph_h_advances (hb_font_t* font, void* font_data, hb_coretext_get_glyph_h_advances (hb_font_t* font,
void* font_data HB_UNUSED,
unsigned count, unsigned count,
const hb_codepoint_t *first_glyph, const hb_codepoint_t *first_glyph,
unsigned glyph_stride, unsigned glyph_stride,
@ -207,7 +205,7 @@ hb_coretext_get_glyph_h_advances (hb_font_t* font, void* font_data,
unsigned advance_stride, unsigned advance_stride,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font); CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size; CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
@ -233,7 +231,8 @@ hb_coretext_get_glyph_h_advances (hb_font_t* font, void* font_data,
#ifndef HB_NO_VERTICAL #ifndef HB_NO_VERTICAL
static void static void
hb_coretext_get_glyph_v_advances (hb_font_t* font, void* font_data, hb_coretext_get_glyph_v_advances (hb_font_t* font,
void* font_data HB_UNUSED,
unsigned count, unsigned count,
const hb_codepoint_t *first_glyph, const hb_codepoint_t *first_glyph,
unsigned glyph_stride, unsigned glyph_stride,
@ -241,7 +240,7 @@ hb_coretext_get_glyph_v_advances (hb_font_t* font, void* font_data,
unsigned advance_stride, unsigned advance_stride,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font); CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat y_mult = (CGFloat) -font->y_scale / ct_font_size; CGFloat y_mult = (CGFloat) -font->y_scale / ct_font_size;
@ -264,18 +263,16 @@ hb_coretext_get_glyph_v_advances (hb_font_t* font, void* font_data,
} }
} }
} }
#endif
#ifndef HB_NO_VERTICAL
static hb_bool_t static hb_bool_t
hb_coretext_get_glyph_v_origin (hb_font_t *font, hb_coretext_get_glyph_v_origin (hb_font_t *font,
void *font_data, void *font_data HB_UNUSED,
hb_codepoint_t glyph, hb_codepoint_t glyph,
hb_position_t *x, hb_position_t *x,
hb_position_t *y, hb_position_t *y,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font); CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat x_mult = (CGFloat) -font->x_scale / ct_font_size; CGFloat x_mult = (CGFloat) -font->x_scale / ct_font_size;
@ -294,12 +291,12 @@ hb_coretext_get_glyph_v_origin (hb_font_t *font,
static hb_bool_t static hb_bool_t
hb_coretext_get_glyph_extents (hb_font_t *font, hb_coretext_get_glyph_extents (hb_font_t *font,
void *font_data, void *font_data HB_UNUSED,
hb_codepoint_t glyph, hb_codepoint_t glyph,
hb_glyph_extents_t *extents, hb_glyph_extents_t *extents,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font); CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size; CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
@ -310,20 +307,21 @@ hb_coretext_get_glyph_extents (hb_font_t *font,
kCTFontOrientationDefault, glyphs, NULL, 1); kCTFontOrientationDefault, glyphs, NULL, 1);
extents->x_bearing = round (bounds.origin.x * x_mult); extents->x_bearing = round (bounds.origin.x * x_mult);
extents->y_bearing = round (bounds.origin.y * y_mult); extents->y_bearing = round ((bounds.origin.y + bounds.size.height) * y_mult);
extents->width = round (bounds.size.width * x_mult); extents->width = round (bounds.size.width * x_mult);
extents->height = round (bounds.size.height * y_mult); extents->height = round (bounds.origin.y * y_mult) - extents->y_bearing;
return true; return true;
} }
static hb_bool_t static hb_bool_t
hb_coretext_get_font_h_extents (hb_font_t *font, hb_coretext_get_font_h_extents (hb_font_t *font,
void *font_data, void *font_data HB_UNUSED,
hb_font_extents_t *metrics, hb_font_extents_t *metrics,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font); CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat y_mult = (CGFloat) font->y_scale / ct_font_size; CGFloat y_mult = (CGFloat) font->y_scale / ct_font_size;
@ -371,7 +369,7 @@ hb_coretext_draw_glyph (hb_font_t *font,
hb_draw_funcs_t *draw_funcs, void *draw_data, hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data) void *user_data)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
CGFloat ct_font_size = CTFontGetSize (ct_font); CGFloat ct_font_size = CTFontGetSize (ct_font);
CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size; CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size;
@ -415,17 +413,20 @@ hb_coretext_get_glyph_name (hb_font_t *font,
(UInt8 *) name, size, &len); (UInt8 *) name, size, &len);
name[len] = '\0'; name[len] = '\0';
CFRelease (cf_name);
return true; return true;
} }
static hb_bool_t static hb_bool_t
hb_coretext_get_glyph_from_name (hb_font_t *font HB_UNUSED, hb_coretext_get_glyph_from_name (hb_font_t *font,
void *font_data, void *font_data HB_UNUSED,
const char *name, int len, const char *name, int len,
hb_codepoint_t *glyph, hb_codepoint_t *glyph,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
CTFontRef ct_font = (CTFontRef) font_data; CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
if (len == -1) if (len == -1)
len = strlen (name); len = strlen (name);
@ -458,10 +459,8 @@ static struct hb_coretext_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t
hb_font_funcs_set_font_h_extents_func (funcs, hb_coretext_get_font_h_extents, nullptr, nullptr); hb_font_funcs_set_font_h_extents_func (funcs, hb_coretext_get_font_h_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_h_advances_func (funcs, hb_coretext_get_glyph_h_advances, nullptr, nullptr); hb_font_funcs_set_glyph_h_advances_func (funcs, hb_coretext_get_glyph_h_advances, nullptr, nullptr);
//hb_font_funcs_set_glyph_h_origin_func (funcs, hb_coretext_get_glyph_h_origin, nullptr, nullptr);
#ifndef HB_NO_VERTICAL #ifndef HB_NO_VERTICAL
//hb_font_funcs_set_font_v_extents_func (funcs, hb_coretext_get_font_v_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_v_advances_func (funcs, hb_coretext_get_glyph_v_advances, nullptr, nullptr); hb_font_funcs_set_glyph_v_advances_func (funcs, hb_coretext_get_glyph_v_advances, nullptr, nullptr);
hb_font_funcs_set_glyph_v_origin_func (funcs, hb_coretext_get_glyph_v_origin, nullptr, nullptr); hb_font_funcs_set_glyph_v_origin_func (funcs, hb_coretext_get_glyph_v_origin, nullptr, nullptr);
#endif #endif
@ -530,8 +529,7 @@ hb_coretext_font_set_funcs (hb_font_t *font)
hb_font_set_funcs (font, hb_font_set_funcs (font,
_hb_coretext_get_font_funcs (), _hb_coretext_get_font_funcs (),
(void *) CFRetain (ct_font), nullptr, nullptr);
_hb_coretext_font_destroy);
} }
#undef MAX_GLYPHS #undef MAX_GLYPHS

View File

@ -32,279 +32,9 @@
#include "hb-shaper-impl.hh" #include "hb-shaper-impl.hh"
#include "hb-coretext.h" #include "hb-coretext.hh"
#include "hb-aat-layout.hh" #include "hb-aat-layout.hh"
/**
* SECTION:hb-coretext
* @title: hb-coretext
* @short_description: CoreText integration
* @include: hb-coretext.h
*
* Functions for using HarfBuzz with the CoreText fonts.
**/
static CTFontRef create_ct_font (CGFontRef cg_font, CGFloat font_size);
static void
release_table_data (void *user_data)
{
CFDataRef cf_data = reinterpret_cast<CFDataRef> (user_data);
CFRelease(cf_data);
}
static hb_blob_t *
_hb_cg_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
{
CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
CFDataRef cf_data = CGFontCopyTableForTag (cg_font, tag);
if (unlikely (!cf_data))
return nullptr;
const char *data = reinterpret_cast<const char*> (CFDataGetBytePtr (cf_data));
const size_t length = CFDataGetLength (cf_data);
if (!data || !length)
{
CFRelease (cf_data);
return nullptr;
}
return hb_blob_create (data, length, HB_MEMORY_MODE_READONLY,
reinterpret_cast<void *> (const_cast<__CFData *> (cf_data)),
release_table_data);
}
static unsigned
_hb_cg_get_table_tags (const hb_face_t *face HB_UNUSED,
unsigned int start_offset,
unsigned int *table_count,
hb_tag_t *table_tags,
void *user_data)
{
CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
CTFontRef ct_font = create_ct_font (cg_font, (CGFloat) HB_CORETEXT_DEFAULT_FONT_SIZE);
auto arr = CTFontCopyAvailableTables (ct_font, kCTFontTableOptionNoOptions);
unsigned population = (unsigned) CFArrayGetCount (arr);
unsigned end_offset;
if (!table_count)
goto done;
if (unlikely (start_offset >= population))
{
*table_count = 0;
goto done;
}
end_offset = start_offset + *table_count;
if (unlikely (end_offset < start_offset))
{
*table_count = 0;
goto done;
}
end_offset= hb_min (end_offset, (unsigned) population);
*table_count = end_offset - start_offset;
for (unsigned i = start_offset; i < end_offset; i++)
{
CTFontTableTag tag = (CTFontTableTag)(uintptr_t) CFArrayGetValueAtIndex (arr, i);
table_tags[i - start_offset] = tag;
}
done:
CFRelease (arr);
CFRelease (ct_font);
return population;
}
static void
_hb_cg_font_release (void *data)
{
CGFontRelease ((CGFontRef) data);
}
static CTFontDescriptorRef
get_last_resort_font_desc ()
{
// TODO Handle allocation failures?
CTFontDescriptorRef last_resort = CTFontDescriptorCreateWithNameAndSize (CFSTR("LastResort"), 0);
CFArrayRef cascade_list = CFArrayCreate (kCFAllocatorDefault,
(const void **) &last_resort,
1,
&kCFTypeArrayCallBacks);
CFRelease (last_resort);
CFDictionaryRef attributes = CFDictionaryCreate (kCFAllocatorDefault,
(const void **) &kCTFontCascadeListAttribute,
(const void **) &cascade_list,
1,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFRelease (cascade_list);
CTFontDescriptorRef font_desc = CTFontDescriptorCreateWithAttributes (attributes);
CFRelease (attributes);
return font_desc;
}
static void
release_data (void *info, const void *data, size_t size)
{
assert (hb_blob_get_length ((hb_blob_t *) info) == size &&
hb_blob_get_data ((hb_blob_t *) info, nullptr) == data);
hb_blob_destroy ((hb_blob_t *) info);
}
static CGFontRef
create_cg_font (hb_face_t *face)
{
CGFontRef cg_font = nullptr;
if (face->destroy == _hb_cg_font_release)
{
cg_font = CGFontRetain ((CGFontRef) face->user_data);
}
else
{
hb_blob_t *blob = hb_face_reference_blob (face);
unsigned int blob_length;
const char *blob_data = hb_blob_get_data (blob, &blob_length);
if (unlikely (!blob_length))
DEBUG_MSG (CORETEXT, face, "Face has empty blob");
CGDataProviderRef provider = CGDataProviderCreateWithData (blob, blob_data, blob_length, &release_data);
if (likely (provider))
{
cg_font = CGFontCreateWithDataProvider (provider);
if (unlikely (!cg_font))
DEBUG_MSG (CORETEXT, face, "Face CGFontCreateWithDataProvider() failed");
CGDataProviderRelease (provider);
}
}
return cg_font;
}
static CTFontRef
create_ct_font (CGFontRef cg_font, CGFloat font_size)
{
CTFontRef ct_font = nullptr;
/* CoreText does not enable trak table usage / tracking when creating a CTFont
* using CTFontCreateWithGraphicsFont. The only way of enabling tracking seems
* to be through the CTFontCreateUIFontForLanguage call. */
CFStringRef cg_postscript_name = CGFontCopyPostScriptName (cg_font);
if (CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSText")) ||
CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSDisplay")))
{
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1080
# define kCTFontUIFontSystem kCTFontSystemFontType
# define kCTFontUIFontEmphasizedSystem kCTFontEmphasizedSystemFontType
#endif
CTFontUIFontType font_type = kCTFontUIFontSystem;
if (CFStringHasSuffix (cg_postscript_name, CFSTR ("-Bold")))
font_type = kCTFontUIFontEmphasizedSystem;
ct_font = CTFontCreateUIFontForLanguage (font_type, font_size, nullptr);
CFStringRef ct_result_name = CTFontCopyPostScriptName(ct_font);
if (CFStringCompare (ct_result_name, cg_postscript_name, 0) != kCFCompareEqualTo)
{
CFRelease(ct_font);
ct_font = nullptr;
}
CFRelease (ct_result_name);
}
CFRelease (cg_postscript_name);
if (!ct_font)
ct_font = CTFontCreateWithGraphicsFont (cg_font, font_size, nullptr, nullptr);
if (unlikely (!ct_font)) {
DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont() failed");
return nullptr;
}
/* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
* bug indicate that the cascade list reconfiguration occasionally causes
* crashes in CoreText on OS X 10.9, thus let's skip this step on older
* operating system versions. Except for the emoji font, where _not_
* reconfiguring the cascade list causes CoreText crashes. For details, see
* crbug.com/549610 */
// 0x00070000 stands for "kCTVersionNumber10_10", see CoreText.h
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
if (&CTGetCoreTextVersion != nullptr && CTGetCoreTextVersion() < 0x00070000) {
#pragma GCC diagnostic pop
CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
CFRelease (fontName);
if (!isEmojiFont)
return ct_font;
}
CFURLRef original_url = nullptr;
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
ATSFontRef atsFont;
FSRef fsref;
OSStatus status;
atsFont = CTFontGetPlatformFont (ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
original_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
original_url = (CFURLRef) CTFontCopyAttribute (ct_font, kCTFontURLAttribute);
#endif
/* Create font copy with cascade list that has LastResort first; this speeds up CoreText
* font fallback which we don't need anyway. */
{
CTFontDescriptorRef last_resort_font_desc = get_last_resort_font_desc ();
CTFontRef new_ct_font = CTFontCreateCopyWithAttributes (ct_font, 0.0, nullptr, last_resort_font_desc);
CFRelease (last_resort_font_desc);
if (new_ct_font)
{
/* The CTFontCreateCopyWithAttributes call fails to stay on the same font
* when reconfiguring the cascade list and may switch to a different font
* when there are fonts that go by the same name, since the descriptor is
* just name and size.
*
* Avoid reconfiguring the cascade lists if the new font is outside the
* system locations that we cannot access from the sandboxed renderer
* process in Blink. This can be detected by the new file URL location
* that the newly found font points to. */
CFURLRef new_url = nullptr;
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
atsFont = CTFontGetPlatformFont (new_ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
new_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
new_url = (CFURLRef) CTFontCopyAttribute (new_ct_font, kCTFontURLAttribute);
#endif
// Keep reconfigured font if URL cannot be retrieved (seems to be the case
// on Mac OS 10.12 Sierra), speculative fix for crbug.com/625606
if (!original_url || !new_url || CFEqual (original_url, new_url)) {
CFRelease (ct_font);
ct_font = new_ct_font;
} else {
CFRelease (new_ct_font);
DEBUG_MSG (CORETEXT, ct_font, "Discarding reconfigured CTFont, location changed.");
}
if (new_url)
CFRelease (new_url);
}
else
DEBUG_MSG (CORETEXT, ct_font, "Font copy with empty cascade list failed");
}
if (original_url)
CFRelease (original_url);
return ct_font;
}
hb_coretext_face_data_t * hb_coretext_face_data_t *
_hb_coretext_shaper_face_data_create (hb_face_t *face) _hb_coretext_shaper_face_data_create (hb_face_t *face)
{ {
@ -325,102 +55,6 @@ _hb_coretext_shaper_face_data_destroy (hb_coretext_face_data_t *data)
CFRelease ((CGFontRef) data); CFRelease ((CGFontRef) data);
} }
/**
* hb_coretext_face_create:
* @cg_font: The CGFontRef to work upon
*
* Creates an #hb_face_t face object from the specified
* CGFontRef.
*
* Return value: (transfer full): The new face object
*
* Since: 0.9.10
*/
hb_face_t *
hb_coretext_face_create (CGFontRef cg_font)
{
hb_face_t *face = hb_face_create_for_tables (_hb_cg_reference_table, CGFontRetain (cg_font), _hb_cg_font_release);
hb_face_set_get_table_tags_func (face, _hb_cg_get_table_tags, cg_font, nullptr);
return face;
}
/**
* hb_coretext_face_create_from_file_or_fail:
* @file_name: A font filename
* @index: The index of the face within the file
*
* Creates an #hb_face_t face object from the specified
* font file and face index.
*
* This is similar in functionality to hb_face_create_from_file_or_fail(),
* but uses the CoreText library for loading the font file.
*
* Return value: (transfer full): The new face object, or `NULL` if
* no face is found at the specified index or the file cannot be read.
*
* Since: 10.1.0
*/
hb_face_t *
hb_coretext_face_create_from_file_or_fail (const char *file_name,
unsigned int index)
{
auto url = CFURLCreateFromFileSystemRepresentation (nullptr,
(const UInt8 *) file_name,
strlen (file_name),
false);
if (unlikely (!url))
return nullptr;
auto ct_font_desc_array = CTFontManagerCreateFontDescriptorsFromURL (url);
if (unlikely (!ct_font_desc_array))
{
CFRelease (url);
return nullptr;
}
auto ct_font_desc = (CFArrayGetCount (ct_font_desc_array) > index) ?
(CTFontDescriptorRef) CFArrayGetValueAtIndex (ct_font_desc_array, index) : nullptr;
if (unlikely (!ct_font_desc))
{
CFRelease (ct_font_desc_array);
CFRelease (url);
return nullptr;
}
CFRelease (url);
auto ct_font = ct_font_desc ? CTFontCreateWithFontDescriptor (ct_font_desc, 0, nullptr) : nullptr;
CFRelease (ct_font_desc_array);
if (unlikely (!ct_font))
return nullptr;
auto cg_font = ct_font ? CTFontCopyGraphicsFont (ct_font, nullptr) : nullptr;
CFRelease (ct_font);
if (unlikely (!cg_font))
return nullptr;
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
if (unlikely (hb_face_is_immutable (face)))
return nullptr;
return face;
}
/**
* hb_coretext_face_get_cg_font:
* @face: The #hb_face_t to work upon
*
* Fetches the CGFontRef associated with an #hb_face_t
* face object
*
* Return value: the CGFontRef found
*
* Since: 0.9.10
*/
CGFontRef
hb_coretext_face_get_cg_font (hb_face_t *face)
{
return (CGFontRef) (const void *) face->data.coretext;
}
hb_coretext_font_data_t * hb_coretext_font_data_t *
_hb_coretext_shaper_font_data_create (hb_font_t *font) _hb_coretext_shaper_font_data_create (hb_font_t *font)
@ -439,7 +73,9 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
return nullptr; return nullptr;
} }
if (font->num_coords) unsigned num_axes = hb_ot_var_get_axis_count (face);
// https://github.com/harfbuzz/harfbuzz/issues/5163
if (num_axes)
{ {
CFMutableDictionaryRef variations = CFMutableDictionaryRef variations =
CFDictionaryCreateMutable (kCFAllocatorDefault, CFDictionaryCreateMutable (kCFAllocatorDefault,
@ -447,14 +83,15 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font)
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks); &kCFTypeDictionaryValueCallBacks);
for (unsigned i = 0; i < font->num_coords; i++) unsigned count = hb_max (num_axes, font->num_coords);
for (unsigned i = 0; i < count; i++)
{ {
hb_ot_var_axis_info_t info; hb_ot_var_axis_info_t info;
unsigned int c = 1; unsigned int c = 1;
hb_ot_var_get_axis_infos (font->face, i, &c, &info); hb_ot_var_get_axis_infos (font->face, i, &c, &info);
if (font->design_coords[i] == info.default_value) float v = i < font->num_coords ?
continue; hb_clamp (font->design_coords[i], info.min_value, info.max_value) :
float v = hb_clamp (font->design_coords[i], info.min_value, info.max_value); info.default_value;
CFNumberRef tag_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &info.tag); CFNumberRef tag_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &info.tag);
CFNumberRef value_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberFloatType, &v); CFNumberRef value_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberFloatType, &v);
@ -489,94 +126,6 @@ _hb_coretext_shaper_font_data_destroy (hb_coretext_font_data_t *data)
CFRelease ((CTFontRef) data); CFRelease ((CTFontRef) data);
} }
/**
* hb_coretext_font_create:
* @ct_font: The CTFontRef to work upon
*
* Creates an #hb_font_t font object from the specified
* CTFontRef.
*
* The created font uses the default font functions implemented
* natively by HarfBuzz. If you want to use the CoreText font functions
* instead (rarely needed), you can do so by calling
* by hb_coretext_font_set_funcs().
*
* Return value: (transfer full): The new font object
*
* Since: 1.7.2
**/
hb_font_t *
hb_coretext_font_create (CTFontRef ct_font)
{
CGFontRef cg_font = CTFontCopyGraphicsFont (ct_font, nullptr);
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
hb_font_t *font = hb_font_create (face);
hb_face_destroy (face);
if (unlikely (hb_object_is_immutable (font)))
return font;
hb_font_set_ptem (font, CTFontGetSize (ct_font));
/* Copy font variations */
CFDictionaryRef variations = CTFontCopyVariation (ct_font);
if (variations)
{
hb_vector_t<hb_variation_t> vars;
hb_vector_t<CFTypeRef> keys;
hb_vector_t<CFTypeRef> values;
CFIndex count = CFDictionaryGetCount (variations);
if (unlikely (!vars.alloc_exact (count) || !keys.resize_exact (count) || !values.resize_exact (count)))
goto done;
// Fetch them one by one and collect in a vector of our own.
CFDictionaryGetKeysAndValues (variations, keys.arrayZ, values.arrayZ);
for (CFIndex i = 0; i < count; i++)
{
int tag;
float value;
CFNumberGetValue ((CFNumberRef) keys.arrayZ[i], kCFNumberIntType, &tag);
CFNumberGetValue ((CFNumberRef) values.arrayZ[i], kCFNumberFloatType, &value);
hb_variation_t var = {tag, value};
vars.push (var);
}
hb_font_set_variations (font, vars.arrayZ, vars.length);
done:
CFRelease (variations);
}
/* Let there be dragons here... */
font->data.coretext.cmpexch (nullptr, (hb_coretext_font_data_t *) CFRetain (ct_font));
// https://github.com/harfbuzz/harfbuzz/pull/4895#issuecomment-2408471254
//hb_coretext_font_set_funcs (font);
return font;
}
/**
* hb_coretext_font_get_ct_font:
* @font: #hb_font_t to work upon
*
* Fetches the CTFontRef associated with the specified
* #hb_font_t font object.
*
* Return value: the CTFontRef found
*
* Since: 0.9.10
*/
CTFontRef
hb_coretext_font_get_ct_font (hb_font_t *font)
{
CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext;
return ct_font ? (CTFontRef) ct_font : nullptr;
}
/* /*
* shaper * shaper
*/ */
@ -646,7 +195,7 @@ _hb_coretext_shape (hb_shape_plan_t *shape_plan,
* B1 M1 B2 M2, and B1-B2 form a ligature, M2's cluster will * B1 M1 B2 M2, and B1-B2 form a ligature, M2's cluster will
* continue pointing to B2 even though B2 was merged into B1's * continue pointing to B2 even though B2 was merged into B1's
* cluster... */ * cluster... */
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) if (HB_BUFFER_CLUSTER_LEVEL_IS_GRAPHEMES (buffer->cluster_level))
{ {
hb_unicode_funcs_t *unicode = buffer->unicode; hb_unicode_funcs_t *unicode = buffer->unicode;
unsigned int count = buffer->len; unsigned int count = buffer->len;
@ -1010,7 +559,7 @@ resize_and_retry:
CFArrayRef glyph_runs = CTLineGetGlyphRuns (line); CFArrayRef glyph_runs = CTLineGetGlyphRuns (line);
unsigned int num_runs = CFArrayGetCount (glyph_runs); unsigned int num_runs = CFArrayGetCount (glyph_runs);
DEBUG_MSG (CORETEXT, nullptr, "Num runs: %d", num_runs); DEBUG_MSG (CORETEXT, nullptr, "Num runs: %u", num_runs);
buffer->len = 0; buffer->len = 0;
uint32_t status_or = 0; uint32_t status_or = 0;
@ -1292,7 +841,7 @@ resize_and_retry:
* or the native OT backend, only that the cluster indices will be * or the native OT backend, only that the cluster indices will be
* monotonic in the output buffer. */ * monotonic in the output buffer. */
if (count > 1 && (status_or & kCTRunStatusNonMonotonic) && if (count > 1 && (status_or & kCTRunStatusNonMonotonic) &&
buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_CHARACTERS) HB_BUFFER_CLUSTER_LEVEL_IS_MONOTONE (buffer->cluster_level))
{ {
hb_glyph_info_t *info = buffer->info; hb_glyph_info_t *info = buffer->info;
if (HB_DIRECTION_IS_FORWARD (buffer->props.direction)) if (HB_DIRECTION_IS_FORWARD (buffer->props.direction))

View File

@ -0,0 +1,572 @@
/*
* Copyright © 2012,2013 Mozilla Foundation.
* Copyright © 2012,2013 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Mozilla Author(s): Jonathan Kew
* Google Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#ifdef HAVE_CORETEXT
#include "hb-shaper-impl.hh"
#include "hb-coretext.hh"
/**
* SECTION:hb-coretext
* @title: hb-coretext
* @short_description: CoreText integration
* @include: hb-coretext.h
*
* Functions for using HarfBuzz with the CoreText fonts.
**/
static void
release_table_data (void *user_data)
{
CFDataRef cf_data = reinterpret_cast<CFDataRef> (user_data);
CFRelease(cf_data);
}
static hb_blob_t *
_hb_cg_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
{
CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
CFDataRef cf_data = CGFontCopyTableForTag (cg_font, tag);
if (unlikely (!cf_data))
return nullptr;
const char *data = reinterpret_cast<const char*> (CFDataGetBytePtr (cf_data));
const size_t length = CFDataGetLength (cf_data);
if (!data || !length)
{
CFRelease (cf_data);
return nullptr;
}
return hb_blob_create (data, length, HB_MEMORY_MODE_READONLY,
reinterpret_cast<void *> (const_cast<__CFData *> (cf_data)),
release_table_data);
}
static unsigned
_hb_cg_get_table_tags (const hb_face_t *face HB_UNUSED,
unsigned int start_offset,
unsigned int *table_count,
hb_tag_t *table_tags,
void *user_data)
{
CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data);
CTFontRef ct_font = create_ct_font (cg_font, (CGFloat) HB_CORETEXT_DEFAULT_FONT_SIZE);
auto arr = CTFontCopyAvailableTables (ct_font, kCTFontTableOptionNoOptions);
unsigned population = (unsigned) CFArrayGetCount (arr);
unsigned end_offset;
if (!table_count)
goto done;
if (unlikely (start_offset >= population))
{
*table_count = 0;
goto done;
}
end_offset = start_offset + *table_count;
if (unlikely (end_offset < start_offset))
{
*table_count = 0;
goto done;
}
end_offset= hb_min (end_offset, (unsigned) population);
*table_count = end_offset - start_offset;
for (unsigned i = start_offset; i < end_offset; i++)
{
CTFontTableTag tag = (CTFontTableTag)(uintptr_t) CFArrayGetValueAtIndex (arr, i);
table_tags[i - start_offset] = tag;
}
done:
CFRelease (arr);
CFRelease (ct_font);
return population;
}
static void
_hb_cg_font_release (void *data)
{
CGFontRelease ((CGFontRef) data);
}
static CTFontDescriptorRef
get_last_resort_font_desc ()
{
// TODO Handle allocation failures?
CTFontDescriptorRef last_resort = CTFontDescriptorCreateWithNameAndSize (CFSTR("LastResort"), 0);
CFArrayRef cascade_list = CFArrayCreate (kCFAllocatorDefault,
(const void **) &last_resort,
1,
&kCFTypeArrayCallBacks);
CFRelease (last_resort);
CFDictionaryRef attributes = CFDictionaryCreate (kCFAllocatorDefault,
(const void **) &kCTFontCascadeListAttribute,
(const void **) &cascade_list,
1,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFRelease (cascade_list);
CTFontDescriptorRef font_desc = CTFontDescriptorCreateWithAttributes (attributes);
CFRelease (attributes);
return font_desc;
}
static void
release_data (void *info, const void *data, size_t size)
{
assert (hb_blob_get_length ((hb_blob_t *) info) == size &&
hb_blob_get_data ((hb_blob_t *) info, nullptr) == data);
hb_blob_destroy ((hb_blob_t *) info);
}
CGFontRef
create_cg_font (CFArrayRef ct_font_desc_array, unsigned int named_instance_index)
{
if (named_instance_index == 0)
{
// Default instance. We don't know which one is it. Return the first one.
// We will set the correct variations on it later.
}
else
named_instance_index--;
auto ct_font_desc = (CFArrayGetCount (ct_font_desc_array) > named_instance_index) ?
(CTFontDescriptorRef) CFArrayGetValueAtIndex (ct_font_desc_array, named_instance_index) : nullptr;
if (unlikely (!ct_font_desc))
{
CFRelease (ct_font_desc_array);
return nullptr;
}
auto ct_font = ct_font_desc ? CTFontCreateWithFontDescriptor (ct_font_desc, 0, nullptr) : nullptr;
CFRelease (ct_font_desc_array);
if (unlikely (!ct_font))
return nullptr;
auto cg_font = ct_font ? CTFontCopyGraphicsFont (ct_font, nullptr) : nullptr;
CFRelease (ct_font);
return cg_font;
}
CGFontRef
create_cg_font (hb_blob_t *blob, unsigned int index)
{
hb_blob_make_immutable (blob);
unsigned int blob_length;
const char *blob_data = hb_blob_get_data (blob, &blob_length);
if (unlikely (!blob_length))
DEBUG_MSG (CORETEXT, blob, "Empty blob");
unsigned ttc_index = index & 0xFFFF;
unsigned named_instance_index = index >> 16;
if (ttc_index != 0)
{
DEBUG_MSG (CORETEXT, blob, "TTC index %d not supported", ttc_index);
return nullptr; // CoreText does not support TTCs
}
if (unlikely (named_instance_index != 0))
{
auto ct_font_desc_array = CTFontManagerCreateFontDescriptorsFromData (CFDataCreate (kCFAllocatorDefault, (const UInt8 *) blob_data, blob_length));
if (unlikely (!ct_font_desc_array))
return nullptr;
return create_cg_font (ct_font_desc_array, named_instance_index);
}
hb_blob_reference (blob);
CGDataProviderRef provider = CGDataProviderCreateWithData (blob, blob_data, blob_length, &release_data);
CGFontRef cg_font = nullptr;
if (likely (provider))
{
cg_font = CGFontCreateWithDataProvider (provider);
if (unlikely (!cg_font))
DEBUG_MSG (CORETEXT, blob, "CGFontCreateWithDataProvider() failed");
CGDataProviderRelease (provider);
}
return cg_font;
}
CGFontRef
create_cg_font (hb_face_t *face)
{
CGFontRef cg_font = nullptr;
if (face->destroy == _hb_cg_font_release)
cg_font = CGFontRetain ((CGFontRef) face->user_data);
else
{
hb_blob_t *blob = hb_face_reference_blob (face);
cg_font = create_cg_font (blob, face->index);
hb_blob_destroy (blob);
}
return cg_font;
}
CTFontRef
create_ct_font (CGFontRef cg_font, CGFloat font_size)
{
CTFontRef ct_font = nullptr;
/* CoreText does not enable trak table usage / tracking when creating a CTFont
* using CTFontCreateWithGraphicsFont. The only way of enabling tracking seems
* to be through the CTFontCreateUIFontForLanguage call. */
CFStringRef cg_postscript_name = CGFontCopyPostScriptName (cg_font);
if (CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSText")) ||
CFStringHasPrefix (cg_postscript_name, CFSTR (".SFNSDisplay")))
{
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1080
# define kCTFontUIFontSystem kCTFontSystemFontType
# define kCTFontUIFontEmphasizedSystem kCTFontEmphasizedSystemFontType
#endif
CTFontUIFontType font_type = kCTFontUIFontSystem;
if (CFStringHasSuffix (cg_postscript_name, CFSTR ("-Bold")))
font_type = kCTFontUIFontEmphasizedSystem;
ct_font = CTFontCreateUIFontForLanguage (font_type, font_size, nullptr);
CFStringRef ct_result_name = CTFontCopyPostScriptName(ct_font);
if (CFStringCompare (ct_result_name, cg_postscript_name, 0) != kCFCompareEqualTo)
{
CFRelease(ct_font);
ct_font = nullptr;
}
CFRelease (ct_result_name);
}
CFRelease (cg_postscript_name);
if (!ct_font)
ct_font = CTFontCreateWithGraphicsFont (cg_font, font_size, nullptr, nullptr);
if (unlikely (!ct_font)) {
DEBUG_MSG (CORETEXT, cg_font, "Font CTFontCreateWithGraphicsFont() failed");
return nullptr;
}
/* crbug.com/576941 and crbug.com/625902 and the investigation in the latter
* bug indicate that the cascade list reconfiguration occasionally causes
* crashes in CoreText on OS X 10.9, thus let's skip this step on older
* operating system versions. Except for the emoji font, where _not_
* reconfiguring the cascade list causes CoreText crashes. For details, see
* crbug.com/549610 */
// 0x00070000 stands for "kCTVersionNumber10_10", see CoreText.h
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
if (&CTGetCoreTextVersion != nullptr && CTGetCoreTextVersion() < 0x00070000) {
#pragma GCC diagnostic pop
CFStringRef fontName = CTFontCopyPostScriptName (ct_font);
bool isEmojiFont = CFStringCompare (fontName, CFSTR("AppleColorEmoji"), 0) == kCFCompareEqualTo;
CFRelease (fontName);
if (!isEmojiFont)
return ct_font;
}
CFURLRef original_url = nullptr;
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
ATSFontRef atsFont;
FSRef fsref;
OSStatus status;
atsFont = CTFontGetPlatformFont (ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
original_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
original_url = (CFURLRef) CTFontCopyAttribute (ct_font, kCTFontURLAttribute);
#endif
/* Create font copy with cascade list that has LastResort first; this speeds up CoreText
* font fallback which we don't need anyway. */
{
CTFontDescriptorRef last_resort_font_desc = get_last_resort_font_desc ();
CTFontRef new_ct_font = CTFontCreateCopyWithAttributes (ct_font, 0.0, nullptr, last_resort_font_desc);
CFRelease (last_resort_font_desc);
if (new_ct_font)
{
/* The CTFontCreateCopyWithAttributes call fails to stay on the same font
* when reconfiguring the cascade list and may switch to a different font
* when there are fonts that go by the same name, since the descriptor is
* just name and size.
*
* Avoid reconfiguring the cascade lists if the new font is outside the
* system locations that we cannot access from the sandboxed renderer
* process in Blink. This can be detected by the new file URL location
* that the newly found font points to. */
CFURLRef new_url = nullptr;
#if !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
atsFont = CTFontGetPlatformFont (new_ct_font, NULL);
status = ATSFontGetFileReference (atsFont, &fsref);
if (status == noErr)
new_url = CFURLCreateFromFSRef (NULL, &fsref);
#else
new_url = (CFURLRef) CTFontCopyAttribute (new_ct_font, kCTFontURLAttribute);
#endif
// Keep reconfigured font if URL cannot be retrieved (seems to be the case
// on Mac OS 10.12 Sierra), speculative fix for crbug.com/625606
if (!original_url || !new_url || CFEqual (original_url, new_url)) {
CFRelease (ct_font);
ct_font = new_ct_font;
} else {
CFRelease (new_ct_font);
DEBUG_MSG (CORETEXT, ct_font, "Discarding reconfigured CTFont, location changed.");
}
if (new_url)
CFRelease (new_url);
}
else
DEBUG_MSG (CORETEXT, ct_font, "Font copy with empty cascade list failed");
}
if (original_url)
CFRelease (original_url);
return ct_font;
}
/**
* hb_coretext_face_create:
* @cg_font: The CGFontRef to work upon
*
* Creates an #hb_face_t face object from the specified
* CGFontRef.
*
* Return value: (transfer full): The new face object
*
* Since: 0.9.10
*/
hb_face_t *
hb_coretext_face_create (CGFontRef cg_font)
{
hb_face_t *face = hb_face_create_for_tables (_hb_cg_reference_table, CGFontRetain (cg_font), _hb_cg_font_release);
hb_face_set_get_table_tags_func (face, _hb_cg_get_table_tags, cg_font, nullptr);
return face;
}
/**
* hb_coretext_face_create_from_file_or_fail:
* @file_name: A font filename
* @index: The index of the face within the file
*
* Creates an #hb_face_t face object from the specified
* font file and face index.
*
* This is similar in functionality to hb_face_create_from_file_or_fail(),
* but uses the CoreText library for loading the font file.
*
* Return value: (transfer full): The new face object, or `NULL` if
* no face is found at the specified index or the file cannot be read.
*
* Since: 10.1.0
*/
hb_face_t *
hb_coretext_face_create_from_file_or_fail (const char *file_name,
unsigned int index)
{
auto url = CFURLCreateFromFileSystemRepresentation (nullptr,
(const UInt8 *) file_name,
strlen (file_name),
false);
if (unlikely (!url))
return nullptr;
auto ct_font_desc_array = CTFontManagerCreateFontDescriptorsFromURL (url);
if (unlikely (!ct_font_desc_array))
{
CFRelease (url);
return nullptr;
}
unsigned ttc_index = index & 0xFFFF;
unsigned named_instance_index = index >> 16;
if (ttc_index != 0)
{
DEBUG_MSG (CORETEXT, nullptr, "TTC index %d not supported", ttc_index);
return nullptr; // CoreText does not support TTCs
}
auto cg_font = create_cg_font (ct_font_desc_array, named_instance_index);
CFRelease (url);
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
if (unlikely (hb_face_is_immutable (face)))
return nullptr;
hb_face_set_index (face, index);
return face;
}
/**
* hb_coretext_face_create_from_blob_or_fail:
* @blob: A blob containing the font data
* @index: The index of the face within the blob
*
* Creates an #hb_face_t face object from the specified
* blob and face index.
*
* This is similar in functionality to hb_face_create_from_blob_or_fail(),
* but uses the CoreText library for loading the font data.
*
* Return value: (transfer full): The new face object, or `NULL` if
* no face is found at the specified index or the blob cannot be read.
*
* Since: 11.0.0
*/
hb_face_t *
hb_coretext_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index)
{
auto cg_font = create_cg_font (blob, index);
if (unlikely (!cg_font))
return nullptr;
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
if (unlikely (hb_face_is_immutable (face)))
return nullptr;
hb_face_set_index (face, index);
return face;
}
/**
* hb_coretext_face_get_cg_font:
* @face: The #hb_face_t to work upon
*
* Fetches the CGFontRef associated with an #hb_face_t
* face object
*
* Return value: the CGFontRef found
*
* Since: 0.9.10
*/
CGFontRef
hb_coretext_face_get_cg_font (hb_face_t *face)
{
return (CGFontRef) (const void *) face->data.coretext;
}
/**
* hb_coretext_font_create:
* @ct_font: The CTFontRef to work upon
*
* Creates an #hb_font_t font object from the specified
* CTFontRef.
*
* The created font uses the default font functions implemented
* natively by HarfBuzz. If you want to use the CoreText font functions
* instead (rarely needed), you can do so by calling
* by hb_coretext_font_set_funcs().
*
* Return value: (transfer full): The new font object
*
* Since: 1.7.2
**/
hb_font_t *
hb_coretext_font_create (CTFontRef ct_font)
{
CGFontRef cg_font = CTFontCopyGraphicsFont (ct_font, nullptr);
hb_face_t *face = hb_coretext_face_create (cg_font);
CFRelease (cg_font);
hb_font_t *font = hb_font_create (face);
hb_face_destroy (face);
if (unlikely (hb_object_is_immutable (font)))
return font;
hb_font_set_ptem (font, CTFontGetSize (ct_font));
/* Copy font variations */
CFDictionaryRef variations = CTFontCopyVariation (ct_font);
if (variations)
{
hb_vector_t<hb_variation_t> vars;
hb_vector_t<CFTypeRef> keys;
hb_vector_t<CFTypeRef> values;
CFIndex count = CFDictionaryGetCount (variations);
if (unlikely (!vars.alloc_exact (count) || !keys.resize_exact (count) || !values.resize_exact (count)))
goto done;
// Fetch them one by one and collect in a vector of our own.
CFDictionaryGetKeysAndValues (variations, keys.arrayZ, values.arrayZ);
for (CFIndex i = 0; i < count; i++)
{
int tag;
float value;
CFNumberGetValue ((CFNumberRef) keys.arrayZ[i], kCFNumberIntType, &tag);
CFNumberGetValue ((CFNumberRef) values.arrayZ[i], kCFNumberFloatType, &value);
hb_variation_t var = {tag, value};
vars.push (var);
}
hb_font_set_variations (font, vars.arrayZ, vars.length);
done:
CFRelease (variations);
}
/* Let there be dragons here... */
font->data.coretext.cmpexch (nullptr, (hb_coretext_font_data_t *) CFRetain (ct_font));
// https://github.com/harfbuzz/harfbuzz/pull/4895#issuecomment-2408471254
//hb_coretext_font_set_funcs (font);
return font;
}
/**
* hb_coretext_font_get_ct_font:
* @font: #hb_font_t to work upon
*
* Fetches the CTFontRef associated with the specified
* #hb_font_t font object.
*
* Return value: the CTFontRef found
*
* Since: 0.9.10
*/
CTFontRef
hb_coretext_font_get_ct_font (hb_font_t *font)
{
return (CTFontRef) (const void *) font->data.coretext;
}
#endif

View File

@ -84,6 +84,10 @@ HB_EXTERN hb_face_t *
hb_coretext_face_create_from_file_or_fail (const char *file_name, hb_coretext_face_create_from_file_or_fail (const char *file_name,
unsigned int index); unsigned int index);
HB_EXTERN hb_face_t *
hb_coretext_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index);
HB_EXTERN hb_font_t * HB_EXTERN hb_font_t *
hb_coretext_font_create (CTFontRef ct_font); hb_coretext_font_create (CTFontRef ct_font);

View File

@ -0,0 +1,53 @@
/*
* Copyright © 2012,2013 Mozilla Foundation.
* Copyright © 2012,2013 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Mozilla Author(s): Jonathan Kew
* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_CORETEXT_HH
#define HB_CORETEXT_HH
#include "hb.hh"
#include "hb-coretext.h"
#include "hb-aat-layout.hh"
HB_INTERNAL CGFontRef
create_cg_font (CFArrayRef ct_font_desc_array, unsigned int index);
HB_INTERNAL CGFontRef
create_cg_font (hb_blob_t *blob, unsigned int index);
HB_INTERNAL CGFontRef
create_cg_font (hb_face_t *face);
HB_INTERNAL CTFontRef
create_ct_font (CGFontRef cg_font, CGFloat font_size);
#endif /* HB_CORETEXT_HH */

View File

@ -49,15 +49,15 @@ struct hb_options_t
}; };
union hb_options_union_t { union hb_options_union_t {
int i; unsigned i;
hb_options_t opts; hb_options_t opts;
}; };
static_assert ((sizeof (hb_atomic_int_t) >= sizeof (hb_options_union_t)), ""); static_assert ((sizeof (hb_atomic_t<unsigned>) >= sizeof (hb_options_union_t)), "");
HB_INTERNAL void HB_INTERNAL void
_hb_options_init (); _hb_options_init ();
extern HB_INTERNAL hb_atomic_int_t _hb_options; extern HB_INTERNAL hb_atomic_t<unsigned> _hb_options;
static inline hb_options_t static inline hb_options_t
hb_options () hb_options ()

View File

@ -0,0 +1,388 @@
/*
* Copyright © 2025 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#ifdef HAVE_DIRECTWRITE
#include "hb-directwrite.h"
#include <d2d1.h>
#include "hb-draw.hh"
#include "hb-font.hh"
#include "hb-machinery.hh"
#define MAX_GLYPHS 256u
static unsigned int
hb_directwrite_get_nominal_glyphs (hb_font_t *font,
void *font_data HB_UNUSED,
unsigned int count,
const hb_codepoint_t *first_unicode,
unsigned int unicode_stride,
hb_codepoint_t *first_glyph,
unsigned int glyph_stride,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
for (unsigned i = 0; i < count;)
{
UINT32 unicodes[MAX_GLYPHS];
UINT16 gids[MAX_GLYPHS];
unsigned n = hb_min (MAX_GLYPHS, count - i);
for (unsigned j = 0; j < n; j++)
{
unicodes[j] = *first_unicode;
first_unicode = &StructAtOffset<const hb_codepoint_t> (first_unicode, unicode_stride);
}
if (!SUCCEEDED (dw_face->GetGlyphIndices (unicodes, n, gids)))
return i;
for (unsigned j = 0; j < n; j++)
{
if (!gids[j])
return i + j;
*first_glyph = gids[j];
first_glyph = &StructAtOffset<hb_codepoint_t> (first_glyph, glyph_stride);
}
i += n;
}
return count;
}
static hb_bool_t
hb_directwrite_get_font_h_extents (hb_font_t *font,
void *font_data HB_UNUSED,
hb_font_extents_t *metrics,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
DWRITE_FONT_METRICS dw_metrics;
dw_face->GetMetrics (&dw_metrics);
metrics->ascender = font->em_scale_y (dw_metrics.ascent);
metrics->descender = -font->em_scale_y (dw_metrics.descent);
metrics->line_gap = font->em_scale_y (dw_metrics.lineGap);
return true;
}
static void
hb_directwrite_get_glyph_h_advances (hb_font_t* font,
void* font_data HB_UNUSED,
unsigned count,
const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
hb_position_t *first_advance,
unsigned advance_stride,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
IDWriteFontFace1 *dw_face1 = nullptr;
dw_face->QueryInterface (__uuidof(IDWriteFontFace1), (void**)&dw_face1);
assert (dw_face1);
for (unsigned i = 0; i < count;)
{
UINT16 gids[MAX_GLYPHS];
INT32 advances[MAX_GLYPHS];
unsigned n = hb_min (MAX_GLYPHS, count - i);
for (unsigned j = 0; j < n; j++)
{
gids[j] = *first_glyph;
advances[j] = 0;
first_glyph = &StructAtOffset<const hb_codepoint_t> (first_glyph, glyph_stride);
}
dw_face1->GetDesignGlyphAdvances (n, gids, advances, false);
for (unsigned j = 0; j < n; j++)
{
*first_advance = font->em_scale_x (advances[j]);
first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
}
i += n;
}
}
#ifndef HB_NO_VERTICAL
static void
hb_directwrite_get_glyph_v_advances (hb_font_t* font,
void* font_data HB_UNUSED,
unsigned count,
const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
hb_position_t *first_advance,
unsigned advance_stride,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
IDWriteFontFace1 *dw_face1 = nullptr;
dw_face->QueryInterface (__uuidof(IDWriteFontFace1), (void**)&dw_face1);
assert (dw_face1);
for (unsigned i = 0; i < count;)
{
UINT16 gids[MAX_GLYPHS];
INT32 advances[MAX_GLYPHS];
unsigned n = hb_min (MAX_GLYPHS, count - i);
for (unsigned j = 0; j < n; j++)
{
gids[j] = *first_glyph;
advances[j] = 0;
first_glyph = &StructAtOffset<const hb_codepoint_t> (first_glyph, glyph_stride);
}
dw_face1->GetDesignGlyphAdvances (n, gids, advances, true);
for (unsigned j = 0; j < n; j++)
{
*first_advance = -font->em_scale_y (advances[j]);
first_advance = &StructAtOffset<hb_position_t> (first_advance, advance_stride);
}
i += n;
}
}
static hb_bool_t
hb_directwrite_get_glyph_v_origin (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
UINT16 gid = glyph;
DWRITE_GLYPH_METRICS metrics;
if (FAILED (dw_face->GetDesignGlyphMetrics (&gid, 1, &metrics)))
return false;
*x = font->em_scale_x (metrics.advanceWidth / 2);
*y = font->em_scale_y (metrics.verticalOriginY); // Untested
return true;
}
#endif
static hb_bool_t
hb_directwrite_get_glyph_extents (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
void *user_data HB_UNUSED)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
UINT16 gid = glyph;
DWRITE_GLYPH_METRICS metrics;
if (FAILED (dw_face->GetDesignGlyphMetrics (&gid, 1, &metrics)))
return false;
extents->x_bearing = font->em_scale_x (metrics.leftSideBearing);
extents->y_bearing = font->em_scale_y (metrics.verticalOriginY - metrics.topSideBearing);
extents->width = font->em_scale_x (metrics.advanceWidth - metrics.rightSideBearing) - extents->x_bearing;
extents->height = font->em_scale_y (metrics.verticalOriginY - metrics.advanceHeight + metrics.bottomSideBearing) - extents->y_bearing; // Magic
return true;
}
#ifndef HB_NO_DRAW
class GeometrySink : public IDWriteGeometrySink
{
hb_font_t *font;
hb_draw_session_t drawing;
public:
GeometrySink(hb_font_t *font,
hb_draw_funcs_t *draw_funcs,
void *draw_data)
: font (font), drawing ({draw_funcs, draw_data, font->slant}) {}
virtual ~GeometrySink() {}
HRESULT STDMETHODCALLTYPE Close() override { return S_OK; }
void STDMETHODCALLTYPE SetFillMode(D2D1_FILL_MODE) override {}
void STDMETHODCALLTYPE SetSegmentFlags(D2D1_PATH_SEGMENT) override {}
IFACEMETHOD(QueryInterface)(REFIID, void **) override { return E_NOINTERFACE; }
IFACEMETHOD_(ULONG, AddRef)() override { return 1; }
IFACEMETHOD_(ULONG, Release)() override { return 1; }
void STDMETHODCALLTYPE BeginFigure(D2D1_POINT_2F startPoint, D2D1_FIGURE_BEGIN) override
{
drawing.move_to (font->em_scalef_x (startPoint.x), -font->em_scalef_y (startPoint.y));
}
void STDMETHODCALLTYPE AddBeziers(const D2D1_BEZIER_SEGMENT *beziers, UINT beziersCount) override
{
for (unsigned i = 0; i < beziersCount; ++i)
drawing.cubic_to (font->em_scalef_x (beziers[i].point1.x), -font->em_scalef_y (beziers[i].point1.y),
font->em_scalef_x (beziers[i].point2.x), -font->em_scalef_y (beziers[i].point2.y),
font->em_scalef_x (beziers[i].point3.x), -font->em_scalef_y (beziers[i].point3.y));
}
void STDMETHODCALLTYPE AddLines(const D2D1_POINT_2F *points, UINT pointsCount) override
{
for (unsigned i = 0; i < pointsCount; ++i)
drawing.line_to (font->em_scalef_x (points[i].x), -font->em_scalef_y (points[i].y));
}
void STDMETHODCALLTYPE EndFigure(D2D1_FIGURE_END) override
{
drawing.close_path ();
}
};
static void
hb_directwrite_draw_glyph (hb_font_t *font,
void *font_data HB_UNUSED,
hb_codepoint_t glyph,
hb_draw_funcs_t *draw_funcs, void *draw_data,
void *user_data)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
GeometrySink sink (font, draw_funcs, draw_data);
UINT16 gid = static_cast<UINT16>(glyph);
unsigned upem = font->face->get_upem();
(void) dw_face->GetGlyphRunOutline (upem,
&gid, nullptr, nullptr,
1,
false, false,
&sink);
}
#endif
static inline void free_static_directwrite_funcs ();
static struct hb_directwrite_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_directwrite_font_funcs_lazy_loader_t>
{
static hb_font_funcs_t *create ()
{
hb_font_funcs_t *funcs = hb_font_funcs_create ();
hb_font_funcs_set_nominal_glyphs_func (funcs, hb_directwrite_get_nominal_glyphs, nullptr, nullptr);
//hb_font_funcs_set_variation_glyph_func (funcs, hb_directwrite_get_variation_glyph, nullptr, nullptr);
hb_font_funcs_set_font_h_extents_func (funcs, hb_directwrite_get_font_h_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_h_advances_func (funcs, hb_directwrite_get_glyph_h_advances, nullptr, nullptr);
#ifndef HB_NO_VERTICAL
hb_font_funcs_set_glyph_v_advances_func (funcs, hb_directwrite_get_glyph_v_advances, nullptr, nullptr);
hb_font_funcs_set_glyph_v_origin_func (funcs, hb_directwrite_get_glyph_v_origin, nullptr, nullptr);
#endif
#ifndef HB_NO_DRAW
hb_font_funcs_set_draw_glyph_func (funcs, hb_directwrite_draw_glyph, nullptr, nullptr);
#endif
hb_font_funcs_set_glyph_extents_func (funcs, hb_directwrite_get_glyph_extents, nullptr, nullptr);
#ifndef HB_NO_OT_FONT_GLYPH_NAMES
//hb_font_funcs_set_glyph_name_func (funcs, hb_directwrite_get_glyph_name, nullptr, nullptr);
//hb_font_funcs_set_glyph_from_name_func (funcs, hb_directwrite_get_glyph_from_name, nullptr, nullptr);
#endif
hb_font_funcs_make_immutable (funcs);
hb_atexit (free_static_directwrite_funcs);
return funcs;
}
} static_directwrite_funcs;
static inline
void free_static_directwrite_funcs ()
{
static_directwrite_funcs.free_instance ();
}
static hb_font_funcs_t *
_hb_directwrite_get_font_funcs ()
{
return static_directwrite_funcs.get_unconst ();
}
/**
* hb_directwrite_font_set_funcs:
* @font: #hb_font_t to work upon
*
* Configures the font-functions structure of the specified
* #hb_font_t font object to use DirectWrite font functions.
*
* In particular, you can use this function to configure an
* existing #hb_face_t face object for use with DirectWrite font
* functions even if that #hb_face_t face object was initially
* created with hb_face_create(), and therefore was not
* initially configured to use DirectWrite font functions.
*
* <note>Note: Internally, this function creates a DirectWrite font.
* </note>
*
* Since: 11.0.0
**/
void
hb_directwrite_font_set_funcs (hb_font_t *font)
{
IDWriteFontFace *dw_face = (IDWriteFontFace *) (const void *) font->data.directwrite;
if (unlikely (!dw_face))
{
hb_font_set_funcs (font,
hb_font_funcs_get_empty (),
nullptr, nullptr);
return;
}
dw_face->AddRef ();
hb_font_set_funcs (font,
_hb_directwrite_get_font_funcs (),
nullptr, nullptr);
}
#undef MAX_GLYPHS
#endif

View File

@ -0,0 +1,656 @@
/*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#ifdef HAVE_DIRECTWRITE
#include "hb-shaper-impl.hh"
#include "hb-directwrite.hh"
#include "hb-ms-feature-ranges.hh"
/*
* shaper face data
*/
hb_directwrite_face_data_t *
_hb_directwrite_shaper_face_data_create (hb_face_t *face)
{
hb_blob_t *blob = hb_face_reference_blob (face);
hb_directwrite_face_data_t *data = (hb_directwrite_face_data_t *) dw_face_create (blob, face->index);
hb_blob_destroy (blob);
return data;
}
void
_hb_directwrite_shaper_face_data_destroy (hb_directwrite_face_data_t *data)
{
((IDWriteFontFace *) data)->Release ();
}
/*
* shaper font data
*/
struct hb_directwrite_font_data_t {};
hb_directwrite_font_data_t *
_hb_directwrite_shaper_font_data_create (hb_font_t *font)
{
IDWriteFontFace *fontFace = (IDWriteFontFace *) (const void *) font->face->data.directwrite;
/*
* Set up variations.
*/
IDWriteFontFace5 *fontFaceVariations = nullptr;
{
IDWriteFontFace5 *fontFace5;
if (SUCCEEDED (fontFace->QueryInterface (__uuidof (IDWriteFontFace5), (void **) &fontFace5)))
{
IDWriteFontResource *fontResource;
if (SUCCEEDED (fontFace5->GetFontResource (&fontResource)))
{
hb_vector_t<DWRITE_FONT_AXIS_VALUE> axis_values;
if (likely (axis_values.resize_exact (font->num_coords)))
{
for (unsigned int i = 0; i < font->num_coords; i++)
{
hb_ot_var_axis_info_t info;
unsigned int c = 1;
hb_ot_var_get_axis_infos (font->face, i, &c, &info);
axis_values[i].axisTag = (DWRITE_FONT_AXIS_TAG) hb_uint32_swap (info.tag);
axis_values[i].value = i < font->num_coords ?
hb_clamp (font->design_coords[i], info.min_value, info.max_value) :
info.default_value;
}
fontResource->CreateFontFace (DWRITE_FONT_SIMULATIONS::DWRITE_FONT_SIMULATIONS_NONE,
axis_values.arrayZ, axis_values.length, &fontFaceVariations);
}
fontResource->Release ();
}
fontFace5->Release ();
}
}
return (hb_directwrite_font_data_t *) fontFaceVariations;
}
void
_hb_directwrite_shaper_font_data_destroy (hb_directwrite_font_data_t *data)
{
((IDWriteFontFace *) data)->Release ();
}
// Most of TextAnalysis is originally written by Bas Schouten for Mozilla project
// but now is relicensed to MIT for HarfBuzz use
class TextAnalysis : public IDWriteTextAnalysisSource, public IDWriteTextAnalysisSink
{
private:
hb_reference_count_t mRefCount;
public:
IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
{ return S_OK; }
IFACEMETHOD_ (ULONG, AddRef) ()
{
return mRefCount.inc () + 1;
}
IFACEMETHOD_ (ULONG, Release) ()
{
signed refCount = mRefCount.dec () - 1;
assert (refCount >= 0);
if (refCount)
return refCount;
delete this;
return 0;
}
// A single contiguous run of characters containing the same analysis
// results.
struct Run
{
uint32_t mTextStart; // starting text position of this run
uint32_t mTextLength; // number of contiguous code units covered
uint32_t mGlyphStart; // starting glyph in the glyphs array
uint32_t mGlyphCount; // number of glyphs associated with this run
// text
DWRITE_SCRIPT_ANALYSIS mScript;
uint8_t mBidiLevel;
bool mIsSideways;
bool ContainsTextPosition (uint32_t aTextPosition) const
{
return aTextPosition >= mTextStart &&
aTextPosition < mTextStart + mTextLength;
}
Run *nextRun;
};
public:
TextAnalysis (const wchar_t* text, uint32_t textLength,
const wchar_t* localeName, DWRITE_READING_DIRECTION readingDirection)
: mTextLength (textLength), mText (text), mLocaleName (localeName),
mReadingDirection (readingDirection), mCurrentRun (nullptr)
{
mRefCount.init ();
}
virtual ~TextAnalysis ()
{
// delete runs, except mRunHead which is part of the TextAnalysis object
for (Run *run = mRunHead.nextRun; run;)
{
Run *origRun = run;
run = run->nextRun;
delete origRun;
}
}
STDMETHODIMP
GenerateResults (IDWriteTextAnalyzer* textAnalyzer, Run **runHead)
{
// Analyzes the text using the script analyzer and returns
// the result as a series of runs.
HRESULT hr = S_OK;
// Initially start out with one result that covers the entire range.
// This result will be subdivided by the analysis processes.
mRunHead.mTextStart = 0;
mRunHead.mTextLength = mTextLength;
mRunHead.mBidiLevel =
(mReadingDirection == DWRITE_READING_DIRECTION_RIGHT_TO_LEFT);
mRunHead.nextRun = nullptr;
mCurrentRun = &mRunHead;
// Call each of the analyzers in sequence, recording their results.
if (SUCCEEDED (hr = textAnalyzer->AnalyzeScript (this, 0, mTextLength, this)))
*runHead = &mRunHead;
return hr;
}
// IDWriteTextAnalysisSource implementation
IFACEMETHODIMP
GetTextAtPosition (uint32_t textPosition,
OUT wchar_t const** textString,
OUT uint32_t* textLength)
{
if (textPosition >= mTextLength)
{
// No text at this position, valid query though.
*textString = nullptr;
*textLength = 0;
}
else
{
*textString = mText + textPosition;
*textLength = mTextLength - textPosition;
}
return S_OK;
}
IFACEMETHODIMP
GetTextBeforePosition (uint32_t textPosition,
OUT wchar_t const** textString,
OUT uint32_t* textLength)
{
if (textPosition == 0 || textPosition > mTextLength)
{
// Either there is no text before here (== 0), or this
// is an invalid position. The query is considered valid though.
*textString = nullptr;
*textLength = 0;
}
else
{
*textString = mText;
*textLength = textPosition;
}
return S_OK;
}
IFACEMETHODIMP_ (DWRITE_READING_DIRECTION)
GetParagraphReadingDirection () { return mReadingDirection; }
IFACEMETHODIMP GetLocaleName (uint32_t textPosition, uint32_t* textLength,
wchar_t const** localeName)
{ return S_OK; }
IFACEMETHODIMP
GetNumberSubstitution (uint32_t textPosition,
OUT uint32_t* textLength,
OUT IDWriteNumberSubstitution** numberSubstitution)
{
// We do not support number substitution.
*numberSubstitution = nullptr;
*textLength = mTextLength - textPosition;
return S_OK;
}
// IDWriteTextAnalysisSink implementation
IFACEMETHODIMP
SetScriptAnalysis (uint32_t textPosition, uint32_t textLength,
DWRITE_SCRIPT_ANALYSIS const* scriptAnalysis)
{
SetCurrentRun (textPosition);
SplitCurrentRun (textPosition);
while (textLength > 0)
{
Run *run = FetchNextRun (&textLength);
run->mScript = *scriptAnalysis;
}
return S_OK;
}
IFACEMETHODIMP
SetLineBreakpoints (uint32_t textPosition,
uint32_t textLength,
const DWRITE_LINE_BREAKPOINT* lineBreakpoints)
{ return S_OK; }
IFACEMETHODIMP SetBidiLevel (uint32_t textPosition, uint32_t textLength,
uint8_t explicitLevel, uint8_t resolvedLevel)
{ return S_OK; }
IFACEMETHODIMP
SetNumberSubstitution (uint32_t textPosition, uint32_t textLength,
IDWriteNumberSubstitution* numberSubstitution)
{ return S_OK; }
protected:
Run *FetchNextRun (IN OUT uint32_t* textLength)
{
// Used by the sink setters, this returns a reference to the next run.
// Position and length are adjusted to now point after the current run
// being returned.
Run *origRun = mCurrentRun;
// Split the tail if needed (the length remaining is less than the
// current run's size).
if (*textLength < mCurrentRun->mTextLength)
SplitCurrentRun (mCurrentRun->mTextStart + *textLength);
else
// Just advance the current run.
mCurrentRun = mCurrentRun->nextRun;
*textLength -= origRun->mTextLength;
// Return a reference to the run that was just current.
return origRun;
}
void SetCurrentRun (uint32_t textPosition)
{
// Move the current run to the given position.
// Since the analyzers generally return results in a forward manner,
// this will usually just return early. If not, find the
// corresponding run for the text position.
if (mCurrentRun && mCurrentRun->ContainsTextPosition (textPosition))
return;
for (Run *run = &mRunHead; run; run = run->nextRun)
if (run->ContainsTextPosition (textPosition))
{
mCurrentRun = run;
return;
}
assert (0); // We should always be able to find the text position in one of our runs
}
void SplitCurrentRun (uint32_t splitPosition)
{
if (!mCurrentRun)
{
assert (0); // SplitCurrentRun called without current run
// Shouldn't be calling this when no current run is set!
return;
}
// Split the current run.
if (splitPosition <= mCurrentRun->mTextStart)
{
// No need to split, already the start of a run
// or before it. Usually the first.
return;
}
Run *newRun = new Run;
*newRun = *mCurrentRun;
// Insert the new run in our linked list.
newRun->nextRun = mCurrentRun->nextRun;
mCurrentRun->nextRun = newRun;
// Adjust runs' text positions and lengths.
uint32_t splitPoint = splitPosition - mCurrentRun->mTextStart;
newRun->mTextStart += splitPoint;
newRun->mTextLength -= splitPoint;
mCurrentRun->mTextLength = splitPoint;
mCurrentRun = newRun;
}
protected:
// Input
// (weak references are fine here, since this class is a transient
// stack-based helper that doesn't need to copy data)
uint32_t mTextLength;
const wchar_t* mText;
const wchar_t* mLocaleName;
DWRITE_READING_DIRECTION mReadingDirection;
// Current processing state.
Run *mCurrentRun;
// Output is a list of runs starting here
Run mRunHead;
};
/*
* shaper
*/
hb_bool_t
_hb_directwrite_shape (hb_shape_plan_t *shape_plan,
hb_font_t *font,
hb_buffer_t *buffer,
const hb_feature_t *features,
unsigned int num_features)
{
IDWriteFontFace *fontFace = (IDWriteFontFace *) (const void *) font->data.directwrite;
auto *global = get_directwrite_global ();
if (unlikely (!global))
return false;
IDWriteFactory *dwriteFactory = global->dwriteFactory;
IDWriteTextAnalyzer* analyzer;
dwriteFactory->CreateTextAnalyzer (&analyzer);
unsigned int scratch_size;
hb_buffer_t::scratch_buffer_t *scratch = buffer->get_scratch_buffer (&scratch_size);
#define ALLOCATE_ARRAY(Type, name, len) \
Type *name = (Type *) scratch; \
do { \
unsigned int _consumed = DIV_CEIL ((len) * sizeof (Type), sizeof (*scratch)); \
assert (_consumed <= scratch_size); \
scratch += _consumed; \
scratch_size -= _consumed; \
} while (0)
#define utf16_index() var1.u32
ALLOCATE_ARRAY (wchar_t, textString, buffer->len * 2);
unsigned int chars_len = 0;
for (unsigned int i = 0; i < buffer->len; i++)
{
hb_codepoint_t c = buffer->info[i].codepoint;
buffer->info[i].utf16_index () = chars_len;
if (likely (c <= 0xFFFFu))
textString[chars_len++] = c;
else if (unlikely (c > 0x10FFFFu))
textString[chars_len++] = 0xFFFDu;
else
{
textString[chars_len++] = 0xD800u + ((c - 0x10000u) >> 10);
textString[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1u << 10) - 1));
}
}
ALLOCATE_ARRAY (WORD, log_clusters, chars_len);
/* Need log_clusters to assign features. */
chars_len = 0;
for (unsigned int i = 0; i < buffer->len; i++)
{
hb_codepoint_t c = buffer->info[i].codepoint;
unsigned int cluster = buffer->info[i].cluster;
log_clusters[chars_len++] = cluster;
if (hb_in_range (c, 0x10000u, 0x10FFFFu))
log_clusters[chars_len++] = cluster; /* Surrogates. */
}
DWRITE_READING_DIRECTION readingDirection;
readingDirection = buffer->props.direction ?
DWRITE_READING_DIRECTION_RIGHT_TO_LEFT :
DWRITE_READING_DIRECTION_LEFT_TO_RIGHT;
/*
* There's an internal 16-bit limit on some things inside the analyzer,
* but we never attempt to shape a word longer than 64K characters
* in a single gfxShapedWord, so we cannot exceed that limit.
*/
uint32_t textLength = chars_len;
TextAnalysis analysis (textString, textLength, nullptr, readingDirection);
TextAnalysis::Run *runHead;
HRESULT hr;
hr = analysis.GenerateResults (analyzer, &runHead);
#define FAIL(...) \
HB_STMT_START { \
DEBUG_MSG (DIRECTWRITE, nullptr, __VA_ARGS__); \
return false; \
} HB_STMT_END
if (FAILED (hr))
FAIL ("Analyzer failed to generate results.");
uint32_t maxGlyphCount = 3 * textLength / 2 + 16;
uint32_t glyphCount;
bool isRightToLeft = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
const wchar_t localeName[20] = {0};
if (buffer->props.language)
mbstowcs ((wchar_t*) localeName,
hb_language_to_string (buffer->props.language), 20);
/*
* Set up features.
*/
static_assert ((sizeof (DWRITE_TYPOGRAPHIC_FEATURES) == sizeof (hb_ms_features_t)), "");
static_assert ((sizeof (DWRITE_FONT_FEATURE) == sizeof (hb_ms_feature_t)), "");
hb_vector_t<hb_ms_features_t *> range_features;
hb_vector_t<uint32_t> range_char_counts;
// https://github.com/harfbuzz/harfbuzz/pull/5114
// The data allocated by these two vectors are used by the above two, so they
// should remain alive as long as the above two are.
hb_vector_t<hb_ms_feature_t> feature_records;
hb_vector_t<hb_ms_range_record_t> range_records;
if (num_features)
{
if (hb_ms_setup_features (features, num_features, feature_records, range_records))
{
hb_ms_make_feature_ranges (feature_records,
range_records,
0,
chars_len,
log_clusters,
range_features,
range_char_counts);
}
}
uint16_t* clusterMap;
clusterMap = new uint16_t[textLength];
DWRITE_SHAPING_TEXT_PROPERTIES* textProperties;
textProperties = new DWRITE_SHAPING_TEXT_PROPERTIES[textLength];
retry_getglyphs:
uint16_t* glyphIndices = new uint16_t[maxGlyphCount];
DWRITE_SHAPING_GLYPH_PROPERTIES* glyphProperties;
glyphProperties = new DWRITE_SHAPING_GLYPH_PROPERTIES[maxGlyphCount];
hr = analyzer->GetGlyphs (textString,
chars_len,
fontFace,
false,
isRightToLeft,
&runHead->mScript,
localeName,
nullptr,
(const DWRITE_TYPOGRAPHIC_FEATURES**) range_features.arrayZ,
range_char_counts.arrayZ,
range_features.length,
maxGlyphCount,
clusterMap,
textProperties,
glyphIndices,
glyphProperties,
&glyphCount);
if (unlikely (hr == HRESULT_FROM_WIN32 (ERROR_INSUFFICIENT_BUFFER)))
{
delete [] glyphIndices;
delete [] glyphProperties;
maxGlyphCount *= 2;
goto retry_getglyphs;
}
if (FAILED (hr))
FAIL ("Analyzer failed to get glyphs.");
float* glyphAdvances = new float[maxGlyphCount];
DWRITE_GLYPH_OFFSET* glyphOffsets = new DWRITE_GLYPH_OFFSET[maxGlyphCount];
/* The -2 in the following is to compensate for possible
* alignment needed after the WORD array. sizeof (WORD) == 2. */
unsigned int glyphs_size = (scratch_size * sizeof (int) - 2)
/ (sizeof (WORD) +
sizeof (DWRITE_SHAPING_GLYPH_PROPERTIES) +
sizeof (int) +
sizeof (DWRITE_GLYPH_OFFSET) +
sizeof (uint32_t));
ALLOCATE_ARRAY (uint32_t, vis_clusters, glyphs_size);
#undef ALLOCATE_ARRAY
unsigned fontEmSize = font->face->get_upem ();
float x_mult = font->x_multf;
float y_mult = font->y_multf;
hr = analyzer->GetGlyphPlacements (textString,
clusterMap,
textProperties,
chars_len,
glyphIndices,
glyphProperties,
glyphCount,
fontFace,
fontEmSize,
false,
isRightToLeft,
&runHead->mScript,
localeName,
(const DWRITE_TYPOGRAPHIC_FEATURES**) range_features.arrayZ,
range_char_counts.arrayZ,
range_features.length,
glyphAdvances,
glyphOffsets);
if (FAILED (hr))
FAIL ("Analyzer failed to get glyph placements.");
/* Ok, we've got everything we need, now compose output buffer,
* very, *very*, carefully! */
/* Calculate visual-clusters. That's what we ship. */
for (unsigned int i = 0; i < glyphCount; i++)
vis_clusters[i] = (uint32_t) -1;
for (unsigned int i = 0; i < buffer->len; i++)
{
uint32_t *p =
&vis_clusters[log_clusters[buffer->info[i].utf16_index ()]];
*p = hb_min (*p, buffer->info[i].cluster);
}
for (unsigned int i = 1; i < glyphCount; i++)
if (vis_clusters[i] == (uint32_t) -1)
vis_clusters[i] = vis_clusters[i - 1];
#undef utf16_index
if (unlikely (!buffer->ensure (glyphCount)))
FAIL ("Buffer in error");
#undef FAIL
/* Set glyph infos */
buffer->len = 0;
for (unsigned int i = 0; i < glyphCount; i++)
{
hb_glyph_info_t *info = &buffer->info[buffer->len++];
info->codepoint = glyphIndices[i];
info->cluster = vis_clusters[i];
/* The rest is crap. Let's store position info there for now. */
info->mask = glyphAdvances[i];
info->var1.i32 = glyphOffsets[i].advanceOffset;
info->var2.i32 = glyphOffsets[i].ascenderOffset;
}
/* Set glyph positions */
buffer->clear_positions ();
for (unsigned int i = 0; i < glyphCount; i++)
{
hb_glyph_info_t *info = &buffer->info[i];
hb_glyph_position_t *pos = &buffer->pos[i];
/* TODO vertical */
pos->x_advance = round (x_mult * (int32_t) info->mask);
pos->x_offset = round (x_mult * (isRightToLeft ? -info->var1.i32 : info->var1.i32));
pos->y_offset = round (y_mult * info->var2.i32);
}
if (isRightToLeft) hb_buffer_reverse (buffer);
buffer->clear_glyph_flags ();
buffer->unsafe_to_break ();
delete [] clusterMap;
delete [] glyphIndices;
delete [] textProperties;
delete [] glyphProperties;
delete [] glyphAdvances;
delete [] glyphOffsets;
/* Wow, done! */
return true;
}
#endif

File diff suppressed because it is too large Load Diff

View File

@ -27,19 +27,32 @@
#include "hb.h" #include "hb.h"
#include <dwrite_3.h>
HB_BEGIN_DECLS HB_BEGIN_DECLS
HB_EXTERN hb_face_t * HB_EXTERN hb_face_t *
hb_directwrite_face_create (IDWriteFontFace *dw_face); hb_directwrite_face_create (IDWriteFontFace *dw_face);
HB_EXTERN hb_face_t *
hb_directwrite_face_create_from_file_or_fail (const char *file_name,
unsigned int index);
HB_EXTERN hb_face_t *
hb_directwrite_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index);
HB_EXTERN IDWriteFontFace * HB_EXTERN IDWriteFontFace *
hb_directwrite_face_get_dw_font_face (hb_face_t *face); hb_directwrite_face_get_dw_font_face (hb_face_t *face);
HB_EXTERN hb_font_t * HB_EXTERN hb_font_t *
hb_directwrite_font_create (IDWriteFont *dw_font); hb_directwrite_font_create (IDWriteFontFace *dw_face);
HB_EXTERN IDWriteFont * HB_EXTERN IDWriteFontFace *
hb_directwrite_font_get_dw_font (hb_font_t *font); hb_directwrite_font_get_dw_font_face (hb_font_t *font);
HB_EXTERN void
hb_directwrite_font_set_funcs (hb_font_t *font);
#ifndef HB_DISABLE_DEPRECATED #ifndef HB_DISABLE_DEPRECATED
@ -47,6 +60,10 @@ HB_DEPRECATED_FOR (hb_directwrite_face_get_dw_font_face)
HB_EXTERN IDWriteFontFace * HB_EXTERN IDWriteFontFace *
hb_directwrite_face_get_font_face (hb_face_t *face); hb_directwrite_face_get_font_face (hb_face_t *face);
HB_DEPRECATED
HB_EXTERN IDWriteFont *
hb_directwrite_font_get_dw_font (hb_font_t *font);
#endif #endif
HB_END_DECLS HB_END_DECLS

View File

@ -0,0 +1,243 @@
/*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#ifndef HB_DIRECTWRITE_HH
#define HB_DIRECTWRITE_HH
#include "hb.hh"
#include "hb-directwrite.h"
#include "hb-mutex.hh"
#include "hb-map.hh"
/*
* DirectWrite font stream helpers
*/
// Have a look at to NativeFontResourceDWrite.cpp in Mozilla
/* Declare object creator for dynamic support of DWRITE */
typedef HRESULT (WINAPI *t_DWriteCreateFactory)(
DWRITE_FACTORY_TYPE factoryType,
REFIID iid,
IUnknown **factory
);
class DWriteFontFileLoader : public IDWriteFontFileLoader
{
private:
hb_reference_count_t mRefCount;
hb_mutex_t mutex;
hb_hashmap_t<uint64_t, IDWriteFontFileStream *> mFontStreams;
uint64_t mNextFontFileKey = 0;
public:
DWriteFontFileLoader ()
{
mRefCount.init ();
}
uint64_t RegisterFontFileStream (IDWriteFontFileStream *fontFileStream)
{
fontFileStream->AddRef ();
auto lock = hb_lock_t (mutex);
mFontStreams.set (mNextFontFileKey, fontFileStream);
return mNextFontFileKey++;
}
void UnregisterFontFileStream (uint64_t fontFileKey)
{
auto lock = hb_lock_t (mutex);
IDWriteFontFileStream *stream = mFontStreams.get (fontFileKey);
if (stream)
{
mFontStreams.del (fontFileKey);
stream->Release ();
}
}
// IUnknown interface
IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
{ return S_OK; }
IFACEMETHOD_ (ULONG, AddRef) ()
{
return mRefCount.inc () + 1;
}
IFACEMETHOD_ (ULONG, Release) ()
{
signed refCount = mRefCount.dec () - 1;
assert (refCount >= 0);
if (refCount)
return refCount;
delete this;
return 0;
}
// IDWriteFontFileLoader methods
virtual HRESULT STDMETHODCALLTYPE
CreateStreamFromKey (void const* fontFileReferenceKey,
uint32_t fontFileReferenceKeySize,
OUT IDWriteFontFileStream** fontFileStream)
{
if (fontFileReferenceKeySize != sizeof (uint64_t))
return E_INVALIDARG;
uint64_t fontFileKey = * (uint64_t *) fontFileReferenceKey;
IDWriteFontFileStream *stream = mFontStreams.get (fontFileKey);
if (!stream)
return E_FAIL;
stream->AddRef ();
*fontFileStream = stream;
return S_OK;
}
virtual ~DWriteFontFileLoader()
{
for (auto v : mFontStreams.values ())
v->Release ();
}
};
class DWriteFontFileStream : public IDWriteFontFileStream
{
private:
hb_reference_count_t mRefCount;
hb_blob_t *mBlob;
uint8_t *mData;
unsigned mSize;
DWriteFontFileLoader *mLoader;
public:
uint64_t fontFileKey;
public:
DWriteFontFileStream (hb_blob_t *blob);
// IUnknown interface
IFACEMETHOD (QueryInterface) (IID const& iid, OUT void** ppObject)
{ return S_OK; }
IFACEMETHOD_ (ULONG, AddRef) ()
{
return mRefCount.inc () + 1;
}
IFACEMETHOD_ (ULONG, Release) ()
{
signed refCount = mRefCount.dec () - 1;
assert (refCount >= 0);
if (refCount)
return refCount;
delete this;
return 0;
}
// IDWriteFontFileStream methods
virtual HRESULT STDMETHODCALLTYPE
ReadFileFragment (void const** fragmentStart,
UINT64 fileOffset,
UINT64 fragmentSize,
OUT void** fragmentContext)
{
// We are required to do bounds checking.
if (fileOffset + fragmentSize > mSize) return E_FAIL;
// truncate the 64 bit fileOffset to size_t sized index into mData
size_t index = static_cast<size_t> (fileOffset);
// We should be alive for the duration of this.
*fragmentStart = &mData[index];
*fragmentContext = nullptr;
return S_OK;
}
virtual void STDMETHODCALLTYPE
ReleaseFileFragment (void* fragmentContext) {}
virtual HRESULT STDMETHODCALLTYPE
GetFileSize (OUT UINT64* fileSize)
{
*fileSize = mSize;
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE
GetLastWriteTime (OUT UINT64* lastWriteTime) { return E_NOTIMPL; }
virtual ~DWriteFontFileStream();
};
struct hb_directwrite_global_t
{
hb_directwrite_global_t ()
{
dwrite_dll = LoadLibraryW (L"DWrite.dll");
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-function-type"
#endif
t_DWriteCreateFactory p_DWriteCreateFactory = (t_DWriteCreateFactory)
GetProcAddress (dwrite_dll, "DWriteCreateFactory");
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic pop
#endif
if (unlikely (!p_DWriteCreateFactory))
return;
HRESULT hr = p_DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory),
(IUnknown**) &dwriteFactory);
if (unlikely (hr != S_OK))
return;
fontFileLoader = new DWriteFontFileLoader ();
dwriteFactory->RegisterFontFileLoader (fontFileLoader);
success = true;
}
~hb_directwrite_global_t ()
{
if (fontFileLoader)
fontFileLoader->Release ();
if (dwriteFactory)
dwriteFactory->Release ();
if (dwrite_dll)
FreeLibrary (dwrite_dll);
}
bool success = false;
HMODULE dwrite_dll;
IDWriteFactory *dwriteFactory;
DWriteFontFileLoader *fontFileLoader;
};
HB_INTERNAL hb_directwrite_global_t *
get_directwrite_global ();
HB_INTERNAL IDWriteFontFace *
dw_face_create (hb_blob_t *blob, unsigned index);
#endif /* HB_DIRECTWRITE_HH */

View File

@ -41,9 +41,16 @@ HB_BEGIN_DECLS
* @path_start_y: Y component of the start of current path * @path_start_y: Y component of the start of current path
* @current_x: X component of current point * @current_x: X component of current point
* @current_y: Y component of current point * @current_y: Y component of current point
* @slant_xy: (Since: 11.0.0): Slanting factor for synthetic oblique
* *
* Current drawing state. * Current drawing state.
* *
* The @slant_xy is a slanting factor for synthetic oblique. If the font's
* oblique angle is not 0, this factor is used to slant the drawing. For
* fonts with uniform x and y scales, this factor is calculated as
* tan(oblique_angle). For fonts with non-uniform scales, this factor is
* calculated as tan(oblique_angle) * x_scale / y_scale, or 0 if y_scale is 0.
*
* Since: 4.0.0 * Since: 4.0.0
**/ **/
typedef struct hb_draw_state_t { typedef struct hb_draw_state_t {
@ -55,6 +62,8 @@ typedef struct hb_draw_state_t {
float current_x; float current_x;
float current_y; float current_y;
float slant_xy;
/*< private >*/ /*< private >*/
hb_var_num_t reserved1; hb_var_num_t reserved1;
hb_var_num_t reserved2; hb_var_num_t reserved2;
@ -62,7 +71,6 @@ typedef struct hb_draw_state_t {
hb_var_num_t reserved4; hb_var_num_t reserved4;
hb_var_num_t reserved5; hb_var_num_t reserved5;
hb_var_num_t reserved6; hb_var_num_t reserved6;
hb_var_num_t reserved7;
} hb_draw_state_t; } hb_draw_state_t;
/** /**
@ -70,7 +78,7 @@ typedef struct hb_draw_state_t {
* *
* The default #hb_draw_state_t at the start of glyph drawing. * The default #hb_draw_state_t at the start of glyph drawing.
*/ */
#define HB_DRAW_STATE_DEFAULT {0, 0.f, 0.f, 0.f, 0.f, {0.}, {0.}, {0.}, {0.}, {0.}, {0.}, {0.}} #define HB_DRAW_STATE_DEFAULT {0, 0.f, 0.f, 0.f, 0.f, 0.f, {0.}, {0.}, {0.}, {0.}, {0.}, {0.}}
/** /**

View File

@ -99,6 +99,10 @@ struct hb_draw_funcs_t
float to_x, float to_y) float to_x, float to_y)
{ {
if (unlikely (st.path_open)) close_path (draw_data, st); if (unlikely (st.path_open)) close_path (draw_data, st);
if (st.slant_xy)
to_x += to_y * st.slant_xy;
st.current_x = to_x; st.current_x = to_x;
st.current_y = to_y; st.current_y = to_y;
} }
@ -109,7 +113,12 @@ struct hb_draw_funcs_t
float to_x, float to_y) float to_x, float to_y)
{ {
if (unlikely (!st.path_open)) start_path (draw_data, st); if (unlikely (!st.path_open)) start_path (draw_data, st);
if (st.slant_xy)
to_x += to_y * st.slant_xy;
emit_line_to (draw_data, st, to_x, to_y); emit_line_to (draw_data, st, to_x, to_y);
st.current_x = to_x; st.current_x = to_x;
st.current_y = to_y; st.current_y = to_y;
} }
@ -121,7 +130,15 @@ struct hb_draw_funcs_t
float to_x, float to_y) float to_x, float to_y)
{ {
if (unlikely (!st.path_open)) start_path (draw_data, st); if (unlikely (!st.path_open)) start_path (draw_data, st);
if (st.slant_xy)
{
control_x += control_y * st.slant_xy;
to_x += to_y * st.slant_xy;
}
emit_quadratic_to (draw_data, st, control_x, control_y, to_x, to_y); emit_quadratic_to (draw_data, st, control_x, control_y, to_x, to_y);
st.current_x = to_x; st.current_x = to_x;
st.current_y = to_y; st.current_y = to_y;
} }
@ -134,7 +151,16 @@ struct hb_draw_funcs_t
float to_x, float to_y) float to_x, float to_y)
{ {
if (unlikely (!st.path_open)) start_path (draw_data, st); if (unlikely (!st.path_open)) start_path (draw_data, st);
if (st.slant_xy)
{
control1_x += control1_y * st.slant_xy;
control2_x += control2_y * st.slant_xy;
to_x += to_y * st.slant_xy;
}
emit_cubic_to (draw_data, st, control1_x, control1_y, control2_x, control2_y, to_x, to_y); emit_cubic_to (draw_data, st, control1_x, control1_y, control2_x, control2_y, to_x, to_y);
st.current_x = to_x; st.current_x = to_x;
st.current_y = to_y; st.current_y = to_y;
} }
@ -168,46 +194,32 @@ DECLARE_NULL_INSTANCE (hb_draw_funcs_t);
struct hb_draw_session_t struct hb_draw_session_t
{ {
hb_draw_session_t (hb_draw_funcs_t *funcs_, void *draw_data_, float slant_ = 0.f) hb_draw_session_t (hb_draw_funcs_t *funcs_, void *draw_data_, float slant_xy = 0.f)
: slant {slant_}, not_slanted {slant == 0.f}, : funcs {funcs_}, draw_data {draw_data_}, st HB_DRAW_STATE_DEFAULT
funcs {funcs_}, draw_data {draw_data_}, st HB_DRAW_STATE_DEFAULT { st.slant_xy = slant_xy; }
{}
~hb_draw_session_t () { close_path (); } ~hb_draw_session_t () { close_path (); }
HB_ALWAYS_INLINE HB_ALWAYS_INLINE
void move_to (float to_x, float to_y) void move_to (float to_x, float to_y)
{ {
if (likely (not_slanted)) funcs->move_to (draw_data, st,
funcs->move_to (draw_data, st, to_x, to_y);
to_x, to_y);
else
funcs->move_to (draw_data, st,
to_x + to_y * slant, to_y);
} }
HB_ALWAYS_INLINE HB_ALWAYS_INLINE
void line_to (float to_x, float to_y) void line_to (float to_x, float to_y)
{ {
if (likely (not_slanted)) funcs->line_to (draw_data, st,
funcs->line_to (draw_data, st, to_x, to_y);
to_x, to_y);
else
funcs->line_to (draw_data, st,
to_x + to_y * slant, to_y);
} }
void void
HB_ALWAYS_INLINE HB_ALWAYS_INLINE
quadratic_to (float control_x, float control_y, quadratic_to (float control_x, float control_y,
float to_x, float to_y) float to_x, float to_y)
{ {
if (likely (not_slanted)) funcs->quadratic_to (draw_data, st,
funcs->quadratic_to (draw_data, st, control_x, control_y,
control_x, control_y, to_x, to_y);
to_x, to_y);
else
funcs->quadratic_to (draw_data, st,
control_x + control_y * slant, control_y,
to_x + to_y * slant, to_y);
} }
void void
HB_ALWAYS_INLINE HB_ALWAYS_INLINE
@ -215,16 +227,10 @@ struct hb_draw_session_t
float control2_x, float control2_y, float control2_x, float control2_y,
float to_x, float to_y) float to_x, float to_y)
{ {
if (likely (not_slanted)) funcs->cubic_to (draw_data, st,
funcs->cubic_to (draw_data, st, control1_x, control1_y,
control1_x, control1_y, control2_x, control2_y,
control2_x, control2_y, to_x, to_y);
to_x, to_y);
else
funcs->cubic_to (draw_data, st,
control1_x + control1_y * slant, control1_y,
control2_x + control2_y * slant, control2_y,
to_x + to_y * slant, to_y);
} }
HB_ALWAYS_INLINE HB_ALWAYS_INLINE
void close_path () void close_path ()
@ -233,8 +239,6 @@ struct hb_draw_session_t
} }
public: public:
float slant;
bool not_slanted;
hb_draw_funcs_t *funcs; hb_draw_funcs_t *funcs;
void *draw_data; void *draw_data;
hb_draw_state_t st; hb_draw_state_t st;

View File

@ -34,6 +34,16 @@
#include "hb-ot-face.hh" #include "hb-ot-face.hh"
#include "hb-ot-cmap-table.hh" #include "hb-ot-cmap-table.hh"
#ifdef HAVE_FREETYPE
#include "hb-ft.h"
#endif
#ifdef HAVE_CORETEXT
#include "hb-coretext.h"
#endif
#ifdef HAVE_DIRECTWRITE
#include "hb-directwrite.h"
#endif
/** /**
* SECTION:hb-face * SECTION:hb-face
@ -72,14 +82,14 @@ hb_face_count (hb_blob_t *blob)
if (unlikely (!blob)) if (unlikely (!blob))
return 0; return 0;
/* TODO We shouldn't be sanitizing blob. Port to run sanitizer and return if not sane. */ hb_sanitize_context_t c (blob);
/* Make API signature const after. */
hb_blob_t *sanitized = hb_sanitize_context_t ().sanitize_blob<OT::OpenTypeFontFile> (hb_blob_reference (blob));
const OT::OpenTypeFontFile& ot = *sanitized->as<OT::OpenTypeFontFile> ();
unsigned int ret = ot.get_face_count ();
hb_blob_destroy (sanitized);
return ret; const char *start = hb_blob_get_data (blob, nullptr);
auto *ot = reinterpret_cast<OT::OpenTypeFontFile *> (const_cast<char *> (start));
if (unlikely (!ot->sanitize (&c)))
return 0;
return ot->get_face_count ();
} }
/* /*
@ -318,7 +328,209 @@ hb_face_create_from_file_or_fail (const char *file_name,
return face; return face;
} }
static struct supported_face_loaders_t {
char name[16];
hb_face_t * (*from_file) (const char *font_file, unsigned face_index);
hb_face_t * (*from_blob) (hb_blob_t *blob, unsigned face_index);
} supported_face_loaders[] =
{
{"ot",
#ifndef HB_NO_OPEN
hb_face_create_from_file_or_fail,
#else
nullptr,
#endif #endif
hb_face_create_or_fail
},
#ifdef HAVE_FREETYPE
{"ft",
hb_ft_face_create_from_file_or_fail,
hb_ft_face_create_from_blob_or_fail
},
#endif
#ifdef HAVE_CORETEXT
{"coretext",
hb_coretext_face_create_from_file_or_fail,
hb_coretext_face_create_from_blob_or_fail
},
#endif
#ifdef HAVE_DIRECTWRITE
{"directwrite",
hb_directwrite_face_create_from_file_or_fail,
hb_directwrite_face_create_from_blob_or_fail
},
#endif
};
static const char *get_default_loader_name ()
{
static hb_atomic_t<const char *> static_loader_name;
const char *loader_name = static_loader_name.get_acquire ();
if (!loader_name)
{
loader_name = getenv ("HB_FACE_LOADER");
if (!loader_name)
loader_name = "";
if (!static_loader_name.cmpexch (nullptr, loader_name))
loader_name = static_loader_name.get_acquire ();
}
return loader_name;
}
/**
* hb_face_create_from_file_or_fail_using:
* @file_name: A font filename
* @index: The index of the face within the file
* @loader_name: (nullable): The name of the loader to use, or `NULL`
*
* A thin wrapper around the face loader functions registered with HarfBuzz.
* If @loader_name is `NULL` or the empty string, the first available loader
* is used.
*
* For example, the FreeType ("ft") loader might be able to load
* WOFF and WOFF2 files if FreeType is built with those features,
* whereas the OpenType ("ot") loader will not.
*
* Return value: (transfer full): The new face object, or `NULL` if
* the file cannot be read or the loader fails to load the face.
*
* Since: 11.0.0
**/
hb_face_t *
hb_face_create_from_file_or_fail_using (const char *file_name,
unsigned int index,
const char *loader_name)
{
// Duplicated in hb_face_create_or_fail_using
bool retry = false;
if (!loader_name || !*loader_name)
{
loader_name = get_default_loader_name ();
retry = true;
}
if (loader_name && !*loader_name) loader_name = nullptr;
retry:
for (unsigned i = 0; i < ARRAY_LENGTH (supported_face_loaders); i++)
{
if (!loader_name || (supported_face_loaders[i].from_file && !strcmp (supported_face_loaders[i].name, loader_name)))
return supported_face_loaders[i].from_file (file_name, index);
}
if (retry)
{
retry = false;
loader_name = nullptr;
goto retry;
}
return nullptr;
}
/**
* hb_face_create_or_fail_using:
* @blob: #hb_blob_t to work upon
* @index: The index of the face within @blob
* @loader_name: (nullable): The name of the loader to use, or `NULL`
*
* A thin wrapper around the face loader functions registered with HarfBuzz.
* If @loader_name is `NULL` or the empty string, the first available loader
* is used.
*
* For example, the FreeType ("ft") loader might be able to load
* WOFF and WOFF2 files if FreeType is built with those features,
* whereas the OpenType ("ot") loader will not.
*
* Return value: (transfer full): The new face object, or `NULL` if
* the loader fails to load the face.
*
* Since: 11.0.0
**/
hb_face_t *
hb_face_create_or_fail_using (hb_blob_t *blob,
unsigned int index,
const char *loader_name)
{
// Duplicated in hb_face_create_from_file_or_fail_using
bool retry = false;
if (!loader_name || !*loader_name)
{
loader_name = get_default_loader_name ();
retry = true;
}
if (loader_name && !*loader_name) loader_name = nullptr;
retry:
for (unsigned i = 0; i < ARRAY_LENGTH (supported_face_loaders); i++)
{
if (!loader_name || (supported_face_loaders[i].from_blob && !strcmp (supported_face_loaders[i].name, loader_name)))
return supported_face_loaders[i].from_blob (blob, index);
}
if (retry)
{
retry = false;
loader_name = nullptr;
goto retry;
}
return nullptr;
}
static inline void free_static_face_loader_list ();
static const char * const nil_face_loader_list[] = {nullptr};
static struct hb_face_loader_list_lazy_loader_t : hb_lazy_loader_t<const char *,
hb_face_loader_list_lazy_loader_t>
{
static const char ** create ()
{
const char **face_loader_list = (const char **) hb_calloc (1 + ARRAY_LENGTH (supported_face_loaders), sizeof (const char *));
if (unlikely (!face_loader_list))
return nullptr;
unsigned i;
for (i = 0; i < ARRAY_LENGTH (supported_face_loaders); i++)
face_loader_list[i] = supported_face_loaders[i].name;
face_loader_list[i] = nullptr;
hb_atexit (free_static_face_loader_list);
return face_loader_list;
}
static void destroy (const char **l)
{ hb_free (l); }
static const char * const * get_null ()
{ return nil_face_loader_list; }
} static_face_loader_list;
static inline
void free_static_face_loader_list ()
{
static_face_loader_list.free_instance ();
}
/**
* hb_face_list_loaders:
*
* Retrieves the list of face loaders supported by HarfBuzz.
*
* Return value: (transfer none) (array zero-terminated=1): a
* `NULL`-terminated array of supported face loaders
* constant strings. The returned array is owned by HarfBuzz
* and should not be modified or freed.
*
* Since: 11.0.0
**/
const char **
hb_face_list_loaders ()
{
return static_face_loader_list.get_unconst ();
}
#endif
/** /**
* hb_face_get_empty: * hb_face_get_empty:

View File

@ -63,10 +63,24 @@ HB_EXTERN hb_face_t *
hb_face_create_or_fail (hb_blob_t *blob, hb_face_create_or_fail (hb_blob_t *blob,
unsigned int index); unsigned int index);
HB_EXTERN hb_face_t *
hb_face_create_or_fail_using (hb_blob_t *blob,
unsigned int index,
const char *loader_name);
HB_EXTERN hb_face_t * HB_EXTERN hb_face_t *
hb_face_create_from_file_or_fail (const char *file_name, hb_face_create_from_file_or_fail (const char *file_name,
unsigned int index); unsigned int index);
HB_EXTERN hb_face_t *
hb_face_create_from_file_or_fail_using (const char *file_name,
unsigned int index,
const char *loader_name);
HB_EXTERN const char **
hb_face_list_loaders (void);
/** /**
* hb_reference_table_func_t: * hb_reference_table_func_t:
* @face: an #hb_face_t to reference table for * @face: an #hb_face_t to reference table for

View File

@ -49,8 +49,8 @@ struct hb_face_t
hb_object_header_t header; hb_object_header_t header;
unsigned int index; /* Face index in a collection, zero-based. */ unsigned int index; /* Face index in a collection, zero-based. */
mutable hb_atomic_int_t upem; /* Units-per-EM. */ mutable hb_atomic_t<unsigned> upem; /* Units-per-EM. */
mutable hb_atomic_int_t num_glyphs; /* Number of glyphs. */ mutable hb_atomic_t<unsigned> num_glyphs;/* Number of glyphs. */
hb_reference_table_func_t reference_table_func; hb_reference_table_func_t reference_table_func;
void *user_data; void *user_data;
@ -70,7 +70,7 @@ struct hb_face_t
plan_node_t *next; plan_node_t *next;
}; };
#ifndef HB_NO_SHAPER #ifndef HB_NO_SHAPER
hb_atomic_ptr_t<plan_node_t> shape_plans; hb_atomic_t<plan_node_t *> shape_plans;
#endif #endif
hb_blob_t *reference_table (hb_tag_t tag) const hb_blob_t *reference_table (hb_tag_t tag) const

View File

@ -38,6 +38,22 @@
#include "hb-ot-var-avar-table.hh" #include "hb-ot-var-avar-table.hh"
#include "hb-ot-var-fvar-table.hh" #include "hb-ot-var-fvar-table.hh"
#ifndef HB_NO_OT_FONT
#include "hb-ot.h"
#endif
#ifdef HAVE_FREETYPE
#include "hb-ft.h"
#endif
#ifdef HAVE_FONTATIONS
#include "hb-fontations.h"
#endif
#ifdef HAVE_CORETEXT
#include "hb-coretext.h"
#endif
#ifdef HAVE_DIRECTWRITE
#include "hb-directwrite.h"
#endif
/** /**
* SECTION:hb-font * SECTION:hb-font
@ -1854,10 +1870,7 @@ hb_font_create (hb_face_t *face)
{ {
hb_font_t *font = _hb_font_create (face); hb_font_t *font = _hb_font_create (face);
#ifndef HB_NO_OT_FONT hb_font_set_funcs_using (font, nullptr);
/* Install our in-house, very lightweight, funcs. */
hb_ot_font_set_funcs (font);
#endif
#ifndef HB_NO_VAR #ifndef HB_NO_VAR
if (face && face->index >> 16) if (face && face->index >> 16)
@ -1880,7 +1893,7 @@ _hb_font_adopt_var_coords (hb_font_t *font,
font->design_coords = design_coords; font->design_coords = design_coords;
font->num_coords = coords_length; font->num_coords = coords_length;
font->mults_changed (); // Easiest to call this to drop cached data font->changed ();
} }
/** /**
@ -1935,7 +1948,8 @@ hb_font_create_sub_font (hb_font_t *parent)
} }
} }
font->mults_changed (); font->changed ();
font->serial_coords = font->serial;
return font; return font;
} }
@ -2023,7 +2037,7 @@ hb_font_set_user_data (hb_font_t *font,
hb_bool_t replace) hb_bool_t replace)
{ {
if (!hb_object_is_immutable (font)) if (!hb_object_is_immutable (font))
font->serial++; font->changed ();
return hb_object_set_user_data (font, key, data, destroy, replace); return hb_object_set_user_data (font, key, data, destroy, replace);
} }
@ -2098,7 +2112,7 @@ hb_font_is_immutable (hb_font_t *font)
unsigned int unsigned int
hb_font_get_serial (hb_font_t *font) hb_font_get_serial (hb_font_t *font)
{ {
return font->serial; return font->serial.get_acquire ();
} }
/** /**
@ -2117,9 +2131,7 @@ hb_font_changed (hb_font_t *font)
if (hb_object_is_immutable (font)) if (hb_object_is_immutable (font))
return; return;
font->serial++; font->changed ();
font->mults_changed ();
} }
/** /**
@ -2141,8 +2153,6 @@ hb_font_set_parent (hb_font_t *font,
if (parent == font->parent) if (parent == font->parent)
return; return;
font->serial++;
if (!parent) if (!parent)
parent = hb_font_get_empty (); parent = hb_font_get_empty ();
@ -2151,6 +2161,8 @@ hb_font_set_parent (hb_font_t *font,
font->parent = hb_font_reference (parent); font->parent = hb_font_reference (parent);
hb_font_destroy (old); hb_font_destroy (old);
font->changed ();
} }
/** /**
@ -2188,8 +2200,6 @@ hb_font_set_face (hb_font_t *font,
if (face == font->face) if (face == font->face)
return; return;
font->serial++;
if (unlikely (!face)) if (unlikely (!face))
face = hb_face_get_empty (); face = hb_face_get_empty ();
@ -2197,9 +2207,11 @@ hb_font_set_face (hb_font_t *font,
hb_face_make_immutable (face); hb_face_make_immutable (face);
font->face = hb_face_reference (face); font->face = hb_face_reference (face);
font->mults_changed (); font->changed ();
hb_face_destroy (old); hb_face_destroy (old);
font->changed ();
} }
/** /**
@ -2244,8 +2256,6 @@ hb_font_set_funcs (hb_font_t *font,
return; return;
} }
font->serial++;
if (font->destroy) if (font->destroy)
font->destroy (font->user_data); font->destroy (font->user_data);
@ -2257,6 +2267,8 @@ hb_font_set_funcs (hb_font_t *font,
font->klass = klass; font->klass = klass;
font->user_data = font_data; font->user_data = font_data;
font->destroy = destroy; font->destroy = destroy;
font->changed ();
} }
/** /**
@ -2283,15 +2295,151 @@ hb_font_set_funcs_data (hb_font_t *font,
return; return;
} }
font->serial++;
if (font->destroy) if (font->destroy)
font->destroy (font->user_data); font->destroy (font->user_data);
font->user_data = font_data; font->user_data = font_data;
font->destroy = destroy; font->destroy = destroy;
font->changed ();
} }
static struct supported_font_funcs_t {
char name[16];
void (*func) (hb_font_t *);
} supported_font_funcs[] =
{
#ifndef HB_NO_OT_FONT
{"ot", hb_ot_font_set_funcs},
#endif
#ifdef HAVE_FREETYPE
{"ft", hb_ft_font_set_funcs},
#endif
#ifdef HAVE_FONTATIONS
{"fontations",hb_fontations_font_set_funcs},
#endif
#ifdef HAVE_CORETEXT
{"coretext", hb_coretext_font_set_funcs},
#endif
#ifdef HAVE_DIRECTWRITE
{"directwrite",hb_directwrite_font_set_funcs},
#endif
};
static const char *get_default_funcs_name ()
{
static hb_atomic_t<const char *> static_funcs_name;
const char *name = static_funcs_name.get_acquire ();
if (!name)
{
name = getenv ("HB_FONT_FUNCS");
if (!name)
name = "";
if (!static_funcs_name.cmpexch (nullptr, name))
name = static_funcs_name.get_acquire ();
}
return name;
}
/**
* hb_font_set_funcs_using:
* @font: #hb_font_t to work upon
* @name: The name of the font-functions structure to use, or `NULL`
*
* Sets the font-functions structure to use for a font, based on the
* specified name.
*
* If @name is `NULL` or the empty string, the default (first) functioning font-functions
* are used. This default can be changed by setting the `HB_FONT_FUNCS` environment
* variable to the name of the desired font-functions.
*
* Return value: `true` if the font-functions was found and set, `false` otherwise
*
* Since: 11.0.0
**/
hb_bool_t
hb_font_set_funcs_using (hb_font_t *font,
const char *name)
{
bool retry = false;
if (!name || !*name)
{
name = get_default_funcs_name ();
retry = true;
}
if (name && !*name) name = nullptr;
retry:
for (unsigned i = 0; i < ARRAY_LENGTH (supported_font_funcs); i++)
if (!name || strcmp (supported_font_funcs[i].name, name) == 0)
{
supported_font_funcs[i].func (font);
if (name || font->klass != hb_font_funcs_get_empty ())
return true;
}
if (retry)
{
retry = false;
name = nullptr;
goto retry;
}
return false;
}
static inline void free_static_font_funcs_list ();
static const char * const nil_font_funcs_list[] = {nullptr};
static struct hb_font_funcs_list_lazy_loader_t : hb_lazy_loader_t<const char *,
hb_font_funcs_list_lazy_loader_t>
{
static const char ** create ()
{
const char **font_funcs_list = (const char **) hb_calloc (1 + ARRAY_LENGTH (supported_font_funcs), sizeof (const char *));
if (unlikely (!font_funcs_list))
return nullptr;
unsigned i;
for (i = 0; i < ARRAY_LENGTH (supported_font_funcs); i++)
font_funcs_list[i] = supported_font_funcs[i].name;
font_funcs_list[i] = nullptr;
hb_atexit (free_static_font_funcs_list);
return font_funcs_list;
}
static void destroy (const char **l)
{ hb_free (l); }
static const char * const * get_null ()
{ return nil_font_funcs_list; }
} static_font_funcs_list;
static inline
void free_static_font_funcs_list ()
{
static_font_funcs_list.free_instance ();
}
/**
* hb_font_list_funcs:
*
* Retrieves the list of font functions supported by HarfBuzz.
*
* Return value: (transfer none) (array zero-terminated=1): a
* `NULL`-terminated array of supported font functions
* constant strings. The returned array is owned by HarfBuzz
* and should not be modified or freed.
*
* Since: 11.0.0
**/
const char **
hb_font_list_funcs ()
{
return static_font_funcs_list.get_unconst ();
}
/** /**
* hb_font_set_scale: * hb_font_set_scale:
@ -2339,11 +2487,10 @@ hb_font_set_scale (hb_font_t *font,
if (font->x_scale == x_scale && font->y_scale == y_scale) if (font->x_scale == x_scale && font->y_scale == y_scale)
return; return;
font->serial++;
font->x_scale = x_scale; font->x_scale = x_scale;
font->y_scale = y_scale; font->y_scale = y_scale;
font->mults_changed ();
font->changed ();
} }
/** /**
@ -2390,10 +2537,10 @@ hb_font_set_ppem (hb_font_t *font,
if (font->x_ppem == x_ppem && font->y_ppem == y_ppem) if (font->x_ppem == x_ppem && font->y_ppem == y_ppem)
return; return;
font->serial++;
font->x_ppem = x_ppem; font->x_ppem = x_ppem;
font->y_ppem = y_ppem; font->y_ppem = y_ppem;
font->changed ();
} }
/** /**
@ -2437,9 +2584,9 @@ hb_font_set_ptem (hb_font_t *font,
if (font->ptem == ptem) if (font->ptem == ptem)
return; return;
font->serial++;
font->ptem = ptem; font->ptem = ptem;
font->changed ();
} }
/** /**
@ -2499,12 +2646,11 @@ hb_font_set_synthetic_bold (hb_font_t *font,
font->embolden_in_place == (bool) in_place) font->embolden_in_place == (bool) in_place)
return; return;
font->serial++;
font->x_embolden = x_embolden; font->x_embolden = x_embolden;
font->y_embolden = y_embolden; font->y_embolden = y_embolden;
font->embolden_in_place = in_place; font->embolden_in_place = in_place;
font->mults_changed ();
font->changed ();
} }
/** /**
@ -2558,10 +2704,9 @@ hb_font_set_synthetic_slant (hb_font_t *font, float slant)
if (font->slant == slant) if (font->slant == slant)
return; return;
font->serial++;
font->slant = slant; font->slant = slant;
font->mults_changed ();
font->changed ();
} }
/** /**
@ -2607,8 +2752,6 @@ hb_font_set_variations (hb_font_t *font,
if (hb_object_is_immutable (font)) if (hb_object_is_immutable (font))
return; return;
font->serial_coords = ++font->serial;
if (!variations_length && font->instance_index == HB_FONT_NO_VAR_NAMED_INSTANCE) if (!variations_length && font->instance_index == HB_FONT_NO_VAR_NAMED_INSTANCE)
{ {
hb_font_set_var_coords_normalized (font, nullptr, 0); hb_font_set_var_coords_normalized (font, nullptr, 0);
@ -2677,8 +2820,6 @@ hb_font_set_variation (hb_font_t *font,
if (hb_object_is_immutable (font)) if (hb_object_is_immutable (font))
return; return;
font->serial_coords = ++font->serial;
// TODO Share some of this code with set_variations() // TODO Share some of this code with set_variations()
const OT::fvar &fvar = *font->face->table.fvar; const OT::fvar &fvar = *font->face->table.fvar;
@ -2749,8 +2890,6 @@ hb_font_set_var_coords_design (hb_font_t *font,
if (hb_object_is_immutable (font)) if (hb_object_is_immutable (font))
return; return;
font->serial_coords = ++font->serial;
int *normalized = coords_length ? (int *) hb_calloc (coords_length, sizeof (int)) : nullptr; int *normalized = coords_length ? (int *) hb_calloc (coords_length, sizeof (int)) : nullptr;
float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr; float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr;
@ -2787,8 +2926,6 @@ hb_font_set_var_named_instance (hb_font_t *font,
if (font->instance_index == instance_index) if (font->instance_index == instance_index)
return; return;
font->serial_coords = ++font->serial;
font->instance_index = instance_index; font->instance_index = instance_index;
hb_font_set_variations (font, nullptr, 0); hb_font_set_variations (font, nullptr, 0);
} }
@ -2834,8 +2971,6 @@ hb_font_set_var_coords_normalized (hb_font_t *font,
if (hb_object_is_immutable (font)) if (hb_object_is_immutable (font))
return; return;
font->serial_coords = ++font->serial;
int *copy = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr; int *copy = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr;
int *unmapped = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr; int *unmapped = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr;
float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (design_coords[0])) : nullptr; float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (design_coords[0])) : nullptr;

View File

@ -1052,6 +1052,12 @@ hb_font_set_funcs_data (hb_font_t *font,
void *font_data, void *font_data,
hb_destroy_func_t destroy); hb_destroy_func_t destroy);
HB_EXTERN hb_bool_t
hb_font_set_funcs_using (hb_font_t *font,
const char *name);
HB_EXTERN const char **
hb_font_list_funcs (void);
HB_EXTERN void HB_EXTERN void
hb_font_set_scale (hb_font_t *font, hb_font_set_scale (hb_font_t *font,

View File

@ -32,6 +32,7 @@
#include "hb.hh" #include "hb.hh"
#include "hb-face.hh" #include "hb-face.hh"
#include "hb-atomic.hh"
#include "hb-shaper.hh" #include "hb-shaper.hh"
@ -105,8 +106,8 @@ DECLARE_NULL_INSTANCE (hb_font_funcs_t);
struct hb_font_t struct hb_font_t
{ {
hb_object_header_t header; hb_object_header_t header;
unsigned int serial; hb_atomic_t<unsigned> serial;
unsigned int serial_coords; hb_atomic_t<unsigned> serial_coords;
hb_font_t *parent; hb_font_t *parent;
hb_face_t *face; hb_face_t *face;
@ -191,22 +192,33 @@ struct hb_font_t
void scale_glyph_extents (hb_glyph_extents_t *extents) void scale_glyph_extents (hb_glyph_extents_t *extents)
{ {
float x1 = em_fscale_x (extents->x_bearing); float x1 = em_scale_x (extents->x_bearing);
float y1 = em_fscale_y (extents->y_bearing); float y1 = em_scale_y (extents->y_bearing);
float x2 = em_fscale_x (extents->x_bearing + extents->width); float x2 = em_scale_x (extents->x_bearing + extents->width);
float y2 = em_fscale_y (extents->y_bearing + extents->height); float y2 = em_scale_y (extents->y_bearing + extents->height);
/* Apply slant. */
if (slant_xy)
{
x1 += hb_min (y1 * slant_xy, y2 * slant_xy);
x2 += hb_max (y1 * slant_xy, y2 * slant_xy);
}
extents->x_bearing = floorf (x1); extents->x_bearing = floorf (x1);
extents->y_bearing = floorf (y1); extents->y_bearing = floorf (y1);
extents->width = ceilf (x2) - extents->x_bearing; extents->width = ceilf (x2) - extents->x_bearing;
extents->height = ceilf (y2) - extents->y_bearing; extents->height = ceilf (y2) - extents->y_bearing;
}
void synthetic_glyph_extents (hb_glyph_extents_t *extents)
{
/* Apply slant. */
if (slant_xy)
{
hb_position_t x1 = extents->x_bearing;
hb_position_t y1 = extents->y_bearing;
hb_position_t x2 = extents->x_bearing + extents->width;
hb_position_t y2 = extents->y_bearing + extents->height;
x1 += floorf (hb_min (y1 * slant_xy, y2 * slant_xy));
x2 += ceilf (hb_max (y1 * slant_xy, y2 * slant_xy));
extents->x_bearing = x1;
extents->width = x2 - extents->x_bearing;
}
if (x_strength || y_strength) if (x_strength || y_strength)
{ {
@ -389,10 +401,14 @@ struct hb_font_t
hb_glyph_extents_t *extents) hb_glyph_extents_t *extents)
{ {
hb_memset (extents, 0, sizeof (*extents)); hb_memset (extents, 0, sizeof (*extents));
return klass->get.f.glyph_extents (this, user_data, bool ret = klass->get.f.glyph_extents (this, user_data,
glyph, glyph,
extents, extents,
!klass->user_data ? nullptr : klass->user_data->glyph_extents); !klass->user_data ? nullptr : klass->user_data->glyph_extents);
if (ret)
synthetic_glyph_extents (extents);
return ret;
} }
hb_bool_t get_glyph_contour_point (hb_codepoint_t glyph, unsigned int point_index, hb_bool_t get_glyph_contour_point (hb_codepoint_t glyph, unsigned int point_index,
@ -686,7 +702,7 @@ struct hb_font_t
return false; return false;
} }
void mults_changed () void changed ()
{ {
float upem = face->get_upem (); float upem = face->get_upem ();
@ -703,6 +719,8 @@ struct hb_font_t
slant_xy = y_scale ? slant * x_scale / y_scale : 0.f; slant_xy = y_scale ? slant * x_scale / y_scale : 0.f;
data.fini (); data.fini ();
serial++;
} }
hb_position_t em_mult (int16_t v, int64_t mult) hb_position_t em_mult (int16_t v, int64_t mult)

View File

@ -0,0 +1,56 @@
/*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Author(s): Behdad Esfahbod
*/
#ifndef HB_FONTATIONS_H
#define HB_FONTATIONS_H
#include "hb.h"
/**
* SECTION: hb-fontations
* @title: hb-fontations
* @short_description: Fontations integration
* @include: hb-fontations.h
*
* Functions for using HarfBuzz with
* [Fontations](https://github.com/googlefonts/fontations/) fonts.
**/
HB_BEGIN_DECLS
/**
* hb_fontations_font_set_funcs:
* @font: #hb_font_t to work upon
*
* Configures the font-functions structure of the specified #hb_font_t font
* object to use Fontations font functions.
*
* Since: 11.0.0
**/
HB_EXTERN void
hb_fontations_font_set_funcs (hb_font_t *font);
HB_END_DECLS
#endif /* HB_FONTATIONS_H */

View File

@ -83,7 +83,7 @@ struct hb_ft_paint_context_t
hb_ft_paint_context_t (const hb_ft_font_t *ft_font, hb_ft_paint_context_t (const hb_ft_font_t *ft_font,
hb_font_t *font, hb_font_t *font,
hb_paint_funcs_t *paint_funcs, void *paint_data, hb_paint_funcs_t *paint_funcs, void *paint_data,
FT_Color *palette, hb_array_t<const FT_Color> palette,
unsigned palette_index, unsigned palette_index,
hb_color_t foreground) : hb_color_t foreground) :
ft_font (ft_font), font(font), ft_font (ft_font), font(font),
@ -103,7 +103,7 @@ struct hb_ft_paint_context_t
hb_font_t *font; hb_font_t *font;
hb_paint_funcs_t *funcs; hb_paint_funcs_t *funcs;
void *data; void *data;
FT_Color *palette; hb_array_t<const FT_Color> palette;
unsigned palette_index; unsigned palette_index;
hb_color_t foreground; hb_color_t foreground;
hb_decycler_t glyphs_decycler; hb_decycler_t glyphs_decycler;
@ -167,7 +167,7 @@ _hb_ft_color_line_get_color_stops (hb_color_line_t *color_line,
hb_color_get_red (color), hb_color_get_red (color),
(hb_color_get_alpha (color) * stop.color.alpha) >> 14); (hb_color_get_alpha (color) * stop.color.alpha) >> 14);
} }
else else if (c->palette)
{ {
FT_Color ft_color = c->palette[stop.color.palette_index]; FT_Color ft_color = c->palette[stop.color.palette_index];
color_stops->color = HB_COLOR (ft_color.blue, color_stops->color = HB_COLOR (ft_color.blue,
@ -175,6 +175,8 @@ _hb_ft_color_line_get_color_stops (hb_color_line_t *color_line,
ft_color.red, ft_color.red,
(ft_color.alpha * stop.color.alpha) >> 14); (ft_color.alpha * stop.color.alpha) >> 14);
} }
else
color_stops->color = HB_COLOR (0, 0, 0, 0);
} }
color_stops++; color_stops++;
@ -229,9 +231,7 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
if (unlikely (!node.visit ((uintptr_t) other_paint.p))) if (unlikely (!node.visit ((uintptr_t) other_paint.p)))
continue; continue;
c->funcs->push_group (c->data);
c->recurse (other_paint); c->recurse (other_paint);
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
} }
} }
break; break;
@ -316,11 +316,11 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
break; break;
case FT_COLR_PAINTFORMAT_GLYPH: case FT_COLR_PAINTFORMAT_GLYPH:
{ {
c->funcs->push_inverse_root_transform (c->data, c->font); c->funcs->push_inverse_font_transform (c->data, c->font);
c->ft_font->lock.unlock (); c->ft_font->lock.unlock ();
c->funcs->push_clip_glyph (c->data, paint.u.glyph.glyphID, c->font); c->funcs->push_clip_glyph (c->data, paint.u.glyph.glyphID, c->font);
c->ft_font->lock.lock (); c->ft_font->lock.lock ();
c->funcs->push_root_transform (c->data, c->font); c->funcs->push_font_transform (c->data, c->font);
c->recurse (paint.u.glyph.paint); c->recurse (paint.u.glyph.paint);
c->funcs->pop_transform (c->data); c->funcs->pop_transform (c->data);
c->funcs->pop_clip (c->data); c->funcs->pop_clip (c->data);
@ -335,7 +335,7 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
if (unlikely (!node.visit (gid))) if (unlikely (!node.visit (gid)))
return; return;
c->funcs->push_inverse_root_transform (c->data, c->font); c->funcs->push_inverse_font_transform (c->data, c->font);
c->ft_font->lock.unlock (); c->ft_font->lock.unlock ();
if (c->funcs->color_glyph (c->data, gid, c->font)) if (c->funcs->color_glyph (c->data, gid, c->font))
{ {
@ -451,10 +451,12 @@ _hb_ft_paint (hb_ft_paint_context_t *c,
break; break;
case FT_COLR_PAINTFORMAT_COMPOSITE: case FT_COLR_PAINTFORMAT_COMPOSITE:
{ {
c->funcs->push_group (c->data);
c->recurse (paint.u.composite.backdrop_paint); c->recurse (paint.u.composite.backdrop_paint);
c->funcs->push_group (c->data); c->funcs->push_group (c->data);
c->recurse (paint.u.composite.source_paint); c->recurse (paint.u.composite.source_paint);
c->funcs->pop_group (c->data, _hb_ft_paint_composite_mode (paint.u.composite.composite_mode)); c->funcs->pop_group (c->data, _hb_ft_paint_composite_mode (paint.u.composite.composite_mode));
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
} }
break; break;
@ -479,17 +481,24 @@ hb_ft_paint_glyph_colr (hb_font_t *font,
/* Face is locked. */ /* Face is locked. */
FT_Error error; FT_Palette_Data palette_data = {};
FT_Color* palette; FT_Color* palette = NULL;
FT_LayerIterator iterator; FT_LayerIterator iterator;
FT_Bool have_layers; FT_Bool have_layers;
FT_UInt layer_glyph_index; FT_UInt layer_glyph_index;
FT_UInt layer_color_index; FT_UInt layer_color_index;
error = FT_Palette_Select(ft_face, palette_index, &palette); (void) FT_Palette_Data_Get(ft_face, &palette_data);
if (error) (void) FT_Palette_Select(ft_face, palette_index, &palette);
palette = NULL; if (!palette)
{
// https://github.com/harfbuzz/harfbuzz/issues/5116
(void) FT_Palette_Select(ft_face, 0, &palette);
}
auto palette_array = hb_array ((const FT_Color *) palette,
palette ? palette_data.num_palette_entries : 0);
/* COLRv1 */ /* COLRv1 */
FT_OpaquePaint paint = {0}; FT_OpaquePaint paint = {0};
@ -499,7 +508,7 @@ hb_ft_paint_glyph_colr (hb_font_t *font,
{ {
hb_ft_paint_context_t c (ft_font, font, hb_ft_paint_context_t c (ft_font, font,
paint_funcs, paint_data, paint_funcs, paint_data,
palette, palette_index, foreground); palette_array, palette_index, foreground);
hb_decycler_node_t node (c.glyphs_decycler); hb_decycler_node_t node (c.glyphs_decycler);
node.visit (gid); node.visit (gid);
@ -524,10 +533,10 @@ hb_ft_paint_glyph_colr (hb_font_t *font,
hb_paint_extents_context_t extents_data; hb_paint_extents_context_t extents_data;
hb_ft_paint_context_t ce (ft_font, font, hb_ft_paint_context_t ce (ft_font, font,
extents_funcs, &extents_data, extents_funcs, &extents_data,
palette, palette_index, foreground); palette_array, palette_index, foreground);
hb_decycler_node_t node2 (ce.glyphs_decycler); hb_decycler_node_t node2 (ce.glyphs_decycler);
node2.visit (gid); node2.visit (gid);
ce.funcs->push_root_transform (ce.data, font); ce.funcs->push_font_transform (ce.data, font);
ce.recurse (paint); ce.recurse (paint);
ce.funcs->pop_transform (ce.data); ce.funcs->pop_transform (ce.data);
hb_extents_t extents = extents_data.get_extents (); hb_extents_t extents = extents_data.get_extents ();
@ -540,7 +549,7 @@ hb_ft_paint_glyph_colr (hb_font_t *font,
extents.ymax); extents.ymax);
} }
c.funcs->push_root_transform (c.data, font); c.funcs->push_font_transform (c.data, font);
if (is_bounded) if (is_bounded)
{ {

View File

@ -101,7 +101,7 @@ struct hb_ft_font_t
mutable hb_mutex_t lock; /* Protects members below. */ mutable hb_mutex_t lock; /* Protects members below. */
FT_Face ft_face; FT_Face ft_face;
mutable unsigned cached_serial; mutable hb_atomic_t<unsigned> cached_serial;
mutable hb_ft_advance_cache_t advance_cache; mutable hb_ft_advance_cache_t advance_cache;
}; };
@ -118,7 +118,7 @@ _hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref)
ft_font->load_flags = FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING; ft_font->load_flags = FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING;
ft_font->cached_serial = (unsigned) -1; ft_font->cached_serial = UINT_MAX;
new (&ft_font->advance_cache) hb_ft_advance_cache_t; new (&ft_font->advance_cache) hb_ft_advance_cache_t;
return ft_font; return ft_font;
@ -213,9 +213,10 @@ _hb_ft_hb_font_check_changed (hb_font_t *font,
{ {
if (font->serial != ft_font->cached_serial) if (font->serial != ft_font->cached_serial)
{ {
hb_lock_t lock (ft_font->lock);
_hb_ft_hb_font_changed (font, ft_font->ft_face); _hb_ft_hb_font_changed (font, ft_font->ft_face);
ft_font->advance_cache.clear (); ft_font->advance_cache.clear ();
ft_font->cached_serial = font->serial; ft_font->cached_serial.set_release (font->serial.get_acquire ());
return true; return true;
} }
return false; return false;
@ -478,6 +479,8 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_position_t *orig_first_advance = first_advance; hb_position_t *orig_first_advance = first_advance;
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face; FT_Face ft_face = ft_font->ft_face;
@ -561,6 +564,8 @@ hb_ft_get_glyph_v_advance (hb_font_t *font,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Fixed v; FT_Fixed v;
float y_mult; float y_mult;
@ -614,6 +619,8 @@ hb_ft_get_glyph_v_origin (hb_font_t *font,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face; FT_Face ft_face = ft_font->ft_face;
float x_mult, y_mult; float x_mult, y_mult;
@ -658,6 +665,8 @@ hb_ft_get_glyph_h_kerning (hb_font_t *font,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Vector kerningv; FT_Vector kerningv;
@ -677,10 +686,12 @@ hb_ft_get_glyph_extents (hb_font_t *font,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face; FT_Face ft_face = ft_font->ft_face;
float x_mult, y_mult; float x_mult, y_mult;
float slant_xy = font->slant_xy;
#ifdef HAVE_FT_GET_TRANSFORM #ifdef HAVE_FT_GET_TRANSFORM
if (ft_font->transform) if (ft_font->transform)
{ {
@ -708,34 +719,11 @@ hb_ft_get_glyph_extents (hb_font_t *font,
float x2 = x1 + x_mult * ft_face->glyph->metrics.width; float x2 = x1 + x_mult * ft_face->glyph->metrics.width;
float y2 = y1 + y_mult * -ft_face->glyph->metrics.height; float y2 = y1 + y_mult * -ft_face->glyph->metrics.height;
/* Apply slant. */
if (slant_xy)
{
x1 += hb_min (y1 * slant_xy, y2 * slant_xy);
x2 += hb_max (y1 * slant_xy, y2 * slant_xy);
}
extents->x_bearing = floorf (x1); extents->x_bearing = floorf (x1);
extents->y_bearing = floorf (y1); extents->y_bearing = floorf (y1);
extents->width = ceilf (x2) - extents->x_bearing; extents->width = ceilf (x2) - extents->x_bearing;
extents->height = ceilf (y2) - extents->y_bearing; extents->height = ceilf (y2) - extents->y_bearing;
if (font->x_strength || font->y_strength)
{
/* Y */
int y_shift = font->y_strength;
if (font->y_scale < 0) y_shift = -y_shift;
extents->y_bearing += y_shift;
extents->height -= y_shift;
/* X */
int x_shift = font->x_strength;
if (font->x_scale < 0) x_shift = -x_shift;
if (font->embolden_in_place)
extents->x_bearing -= x_shift / 2;
extents->width += x_shift;
}
return true; return true;
} }
@ -749,6 +737,8 @@ hb_ft_get_glyph_contour_point (hb_font_t *font HB_UNUSED,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face; FT_Face ft_face = ft_font->ft_face;
@ -826,6 +816,8 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face; FT_Face ft_face = ft_font->ft_face;
float y_mult; float y_mult;
@ -916,6 +908,8 @@ hb_ft_draw_glyph (hb_font_t *font,
void *user_data HB_UNUSED) void *user_data HB_UNUSED)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face; FT_Face ft_face = ft_font->ft_face;
@ -990,6 +984,8 @@ hb_ft_paint_glyph (hb_font_t *font,
void *user_data) void *user_data)
{ {
const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data;
_hb_ft_hb_font_check_changed (font, ft_font);
hb_lock_t lock (ft_font->lock); hb_lock_t lock (ft_font->lock);
FT_Face ft_face = ft_font->ft_face; FT_Face ft_face = ft_font->ft_face;
@ -1079,10 +1075,8 @@ static struct hb_ft_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_ft
hb_font_funcs_set_font_h_extents_func (funcs, hb_ft_get_font_h_extents, nullptr, nullptr); hb_font_funcs_set_font_h_extents_func (funcs, hb_ft_get_font_h_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_h_advances_func (funcs, hb_ft_get_glyph_h_advances, nullptr, nullptr); hb_font_funcs_set_glyph_h_advances_func (funcs, hb_ft_get_glyph_h_advances, nullptr, nullptr);
//hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ft_get_glyph_h_origin, nullptr, nullptr);
#ifndef HB_NO_VERTICAL #ifndef HB_NO_VERTICAL
//hb_font_funcs_set_font_v_extents_func (funcs, hb_ft_get_font_v_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ft_get_glyph_v_advance, nullptr, nullptr); hb_font_funcs_set_glyph_v_advance_func (funcs, hb_ft_get_glyph_v_advance, nullptr, nullptr);
hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ft_get_glyph_v_origin, nullptr, nullptr); hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ft_get_glyph_v_origin, nullptr, nullptr);
#endif #endif
@ -1090,7 +1084,6 @@ static struct hb_ft_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_ft
#ifndef HB_NO_OT_SHAPE_FALLBACK #ifndef HB_NO_OT_SHAPE_FALLBACK
hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ft_get_glyph_h_kerning, nullptr, nullptr); hb_font_funcs_set_glyph_h_kerning_func (funcs, hb_ft_get_glyph_h_kerning, nullptr, nullptr);
#endif #endif
//hb_font_funcs_set_glyph_v_kerning_func (funcs, hb_ft_get_glyph_v_kerning, nullptr, nullptr);
hb_font_funcs_set_glyph_extents_func (funcs, hb_ft_get_glyph_extents, nullptr, nullptr); hb_font_funcs_set_glyph_extents_func (funcs, hb_ft_get_glyph_extents, nullptr, nullptr);
hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ft_get_glyph_contour_point, nullptr, nullptr); hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ft_get_glyph_contour_point, nullptr, nullptr);
hb_font_funcs_set_glyph_name_func (funcs, hb_ft_get_glyph_name, nullptr, nullptr); hb_font_funcs_set_glyph_name_func (funcs, hb_ft_get_glyph_name, nullptr, nullptr);
@ -1456,6 +1449,10 @@ hb_ft_font_changed (hb_font_t *font)
* variation-axis settings on the @font. * variation-axis settings on the @font.
* This call is fast if nothing has changed on @font. * This call is fast if nothing has changed on @font.
* *
* Note that as of version 11.0.0, calling this function is not necessary,
* as HarfBuzz will automatically detect changes to the font and update
* the underlying FT_Face as needed.
*
* Return value: true if changed, false otherwise * Return value: true if changed, false otherwise
* *
* Since: 4.4.0 * Since: 4.4.0
@ -1587,7 +1584,8 @@ destroy_ft_library (void *arg)
* font file and face index. * font file and face index.
* *
* This is similar in functionality to hb_face_create_from_file_or_fail(), * This is similar in functionality to hb_face_create_from_file_or_fail(),
* but uses the FreeType library for loading the font file. * but uses the FreeType library for loading the font file. This can
* be useful, for example, to load WOFF and WOFF2 font data.
* *
* Return value: (transfer full): The new face object, or `NULL` if * Return value: (transfer full): The new face object, or `NULL` if
* no face is found at the specified index or the file cannot be read. * no face is found at the specified index or the file cannot be read.
@ -1624,6 +1622,75 @@ hb_ft_face_create_from_file_or_fail (const char *file_name,
return face; return face;
} }
static hb_user_data_key_t ft_blob_key = {0};
static void
_destroy_blob (void *p)
{
hb_blob_destroy ((hb_blob_t *) p);
}
/**
* hb_ft_face_create_from_blob_or_fail:
* @blob: A blob
* @index: The index of the face within the blob
*
* Creates an #hb_face_t face object from the specified
* font blob and face index.
*
* This is similar in functionality to hb_face_create_from_blob_or_fail(),
* but uses the FreeType library for loading the font blob. This can
* be useful, for example, to load WOFF and WOFF2 font data.
*
* Return value: (transfer full): The new face object, or `NULL` if
* loading fails (eg. blob does not contain valid font data).
*
* Since: 11.0.0
*/
hb_face_t *
hb_ft_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index)
{
FT_Library ft_library = reference_ft_library ();
if (unlikely (!ft_library))
{
DEBUG_MSG (FT, ft_library, "reference_ft_library failed");
return nullptr;
}
hb_blob_make_immutable (blob);
unsigned blob_size;
const char *blob_data = hb_blob_get_data (blob, &blob_size);
FT_Face ft_face;
if (unlikely (FT_New_Memory_Face (ft_library,
(const FT_Byte *) blob_data,
blob_size,
index,
&ft_face)))
return nullptr;
hb_face_t *face = hb_ft_face_create_referenced (ft_face);
FT_Done_Face (ft_face);
ft_face->generic.data = ft_library;
ft_face->generic.finalizer = finalize_ft_library;
if (hb_face_is_immutable (face))
return nullptr;
// Hook the blob to the hb_face_t, since FT_Face still needs it.
hb_blob_reference (blob);
if (!hb_face_set_user_data (face, &ft_blob_key, blob, _destroy_blob, true))
{
hb_blob_destroy (blob);
hb_face_destroy (face);
return nullptr;
}
return face;
}
static void static void
_release_blob (void *arg) _release_blob (void *arg)
{ {

View File

@ -88,6 +88,10 @@ HB_EXTERN hb_face_t *
hb_ft_face_create_from_file_or_fail (const char *file_name, hb_ft_face_create_from_file_or_fail (const char *file_name,
unsigned int index); unsigned int index);
HB_EXTERN hb_face_t *
hb_ft_face_create_from_blob_or_fail (hb_blob_t *blob,
unsigned int index);
/* /*
* hb-font from ft-face. * hb-font from ft-face.
*/ */

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@ -30,6 +30,11 @@
struct hb_extents_t struct hb_extents_t
{ {
hb_extents_t () {} hb_extents_t () {}
hb_extents_t (const hb_glyph_extents_t &extents) :
xmin (hb_min (extents.x_bearing, extents.x_bearing + extents.width)),
ymin (hb_min (extents.y_bearing, extents.y_bearing + extents.height)),
xmax (hb_max (extents.x_bearing, extents.x_bearing + extents.width)),
ymax (hb_max (extents.y_bearing, extents.y_bearing + extents.height)) {}
hb_extents_t (float xmin, float ymin, float xmax, float ymax) : hb_extents_t (float xmin, float ymin, float xmax, float ymax) :
xmin (xmin), ymin (ymin), xmax (xmax), ymax (ymax) {} xmin (xmin), ymin (ymin), xmax (xmax), ymax (ymax) {}
@ -38,6 +43,12 @@ struct hb_extents_t
void union_ (const hb_extents_t &o) void union_ (const hb_extents_t &o)
{ {
if (o.is_empty ()) return;
if (is_empty ())
{
*this = o;
return;
}
xmin = hb_min (xmin, o.xmin); xmin = hb_min (xmin, o.xmin);
ymin = hb_min (ymin, o.ymin); ymin = hb_min (ymin, o.ymin);
xmax = hb_max (xmax, o.xmax); xmax = hb_max (xmax, o.xmax);
@ -46,6 +57,11 @@ struct hb_extents_t
void intersect (const hb_extents_t &o) void intersect (const hb_extents_t &o)
{ {
if (o.is_empty () || is_empty ())
{
*this = hb_extents_t {};
return;
}
xmin = hb_max (xmin, o.xmin); xmin = hb_max (xmin, o.xmin);
ymin = hb_max (ymin, o.ymin); ymin = hb_max (ymin, o.ymin);
xmax = hb_min (xmax, o.xmax); xmax = hb_min (xmax, o.xmax);
@ -69,6 +85,18 @@ struct hb_extents_t
} }
} }
hb_glyph_extents_t to_glyph_extents (bool xneg = false, bool yneg = false) const
{
hb_position_t x0 = (hb_position_t) roundf (xmin);
hb_position_t y0 = (hb_position_t) roundf (ymin);
hb_position_t x1 = (hb_position_t) roundf (xmax);
hb_position_t y1 = (hb_position_t) roundf (ymax);
return hb_glyph_extents_t {xneg ? x1 : x0,
yneg ? y0 : y1,
xneg ? x0 - x1 : x1 - x0,
yneg ? y1 - y0 : y0 - y1};
}
float xmin = 0.f; float xmin = 0.f;
float ymin = 0.f; float ymin = 0.f;
float xmax = -1.f; float xmax = -1.f;
@ -218,7 +246,7 @@ struct hb_bounds_t
EMPTY, EMPTY,
}; };
hb_bounds_t (status_t status) : status (status) {} hb_bounds_t (status_t status = UNBOUNDED) : status (status) {}
hb_bounds_t (const hb_extents_t &extents) : hb_bounds_t (const hb_extents_t &extents) :
status (extents.is_empty () ? EMPTY : BOUNDED), extents (extents) {} status (extents.is_empty () ? EMPTY : BOUNDED), extents (extents) {}

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@ -68,7 +68,7 @@ struct hb_graphite2_face_data_t
{ {
hb_face_t *face; hb_face_t *face;
gr_face *grface; gr_face *grface;
hb_atomic_ptr_t<hb_graphite2_tablelist_t> tlist; hb_atomic_t<hb_graphite2_tablelist_t *> tlist;
}; };
static const void *hb_graphite2_get_table (const void *data, unsigned int tag, size_t *len) static const void *hb_graphite2_get_table (const void *data, unsigned int tag, size_t *len)

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@ -273,7 +273,7 @@ struct hb_lazy_loader_t : hb_data_wrapper_t<Data, WheresData>
private: private:
/* Must only have one pointer. */ /* Must only have one pointer. */
hb_atomic_ptr_t<Stored *> instance; hb_atomic_t<Stored *> instance;
}; };
/* Specializations. */ /* Specializations. */

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@ -142,7 +142,7 @@ struct hb_lockable_set_t
struct hb_reference_count_t struct hb_reference_count_t
{ {
mutable hb_atomic_int_t ref_count; mutable hb_atomic_t<int> ref_count;
void init (int v = 1) { ref_count = v; } void init (int v = 1) { ref_count = v; }
int get_relaxed () const { return ref_count; } int get_relaxed () const { return ref_count; }
@ -213,8 +213,8 @@ struct hb_user_data_array_t
struct hb_object_header_t struct hb_object_header_t
{ {
hb_reference_count_t ref_count; hb_reference_count_t ref_count;
mutable hb_atomic_int_t writable = 0; mutable hb_atomic_t<bool> writable = false;
hb_atomic_ptr_t<hb_user_data_array_t> user_data; hb_atomic_t<hb_user_data_array_t *> user_data;
bool is_inert () const { return !ref_count.get_relaxed (); } bool is_inert () const { return !ref_count.get_relaxed (); }
}; };

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@ -1888,7 +1888,7 @@ struct TupleValues
bool ensure_run () bool ensure_run ()
{ {
if (likely (run_count > 0)) return true; if (run_count > 0) return true;
if (unlikely (p >= end)) if (unlikely (p >= end))
{ {
@ -1943,6 +1943,11 @@ struct TupleValues
unsigned count = hb_min (n - i, (unsigned) run_count); unsigned count = hb_min (n - i, (unsigned) run_count);
switch (width) switch (width)
{ {
case 0:
{
arrayZ += count;
break;
}
case 1: case 1:
{ {
const auto *pp = (const HBINT8 *) p; const auto *pp = (const HBINT8 *) p;
@ -1958,6 +1963,8 @@ struct TupleValues
#endif #endif
for (; j < count; j++) for (; j < count; j++)
*arrayZ++ += scaled ? *pp++ * scale : *pp++; *arrayZ++ += scaled ? *pp++ * scale : *pp++;
p = (const unsigned char *) pp;
} }
break; break;
case 2: case 2:
@ -1975,6 +1982,8 @@ struct TupleValues
#endif #endif
for (; j < count; j++) for (; j < count; j++)
*arrayZ++ += scaled ? *pp++ * scale : *pp++; *arrayZ++ += scaled ? *pp++ * scale : *pp++;
p = (const unsigned char *) pp;
} }
break; break;
case 4: case 4:
@ -1982,10 +1991,11 @@ struct TupleValues
const auto *pp = (const HBINT32 *) p; const auto *pp = (const HBINT32 *) p;
for (unsigned j = 0; j < count; j++) for (unsigned j = 0; j < count; j++)
*arrayZ++ += scaled ? *pp++ * scale : *pp++; *arrayZ++ += scaled ? *pp++ * scale : *pp++;
p = (const unsigned char *) pp;
} }
break; break;
} }
p += count * width;
run_count -= count; run_count -= count;
i += count; i += count;
} }

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@ -1176,7 +1176,8 @@ struct cff1
if (unlikely (!font_interp.interpret (*font))) goto fail; if (unlikely (!font_interp.interpret (*font))) goto fail;
PRIVDICTVAL *priv = &privateDicts[i]; PRIVDICTVAL *priv = &privateDicts[i];
const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size); const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size);
if (unlikely (privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail; if (unlikely (font->privateDictInfo.size &&
privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
num_interp_env_t env2 (privDictStr); num_interp_env_t env2 (privDictStr);
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env2); dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env2);
priv->init (); priv->init ();
@ -1191,7 +1192,8 @@ struct cff1
PRIVDICTVAL *priv = &privateDicts[0]; PRIVDICTVAL *priv = &privateDicts[0];
const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size); const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size);
if (unlikely (privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail; if (font->privateDictInfo.size &&
unlikely (privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
num_interp_env_t env (privDictStr); num_interp_env_t env (privDictStr);
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env); dict_interpreter_t<PRIVOPSET, PRIVDICTVAL> priv_interp (env);
priv->init (); priv->init ();
@ -1483,7 +1485,7 @@ struct cff1
int cmp (const gname_t &a) const { return cmp (&a, this); } int cmp (const gname_t &a) const { return cmp (&a, this); }
}; };
mutable hb_atomic_ptr_t<hb_sorted_vector_t<gname_t>> glyph_names; mutable hb_atomic_t<hb_sorted_vector_t<gname_t> *> glyph_names;
typedef accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t> SUPER; typedef accelerator_templ_t<cff1_private_dict_opset_t, cff1_private_dict_values_t> SUPER;
}; };

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@ -102,6 +102,14 @@ struct cff2_cs_opset_extents_t : cff2_cs_opset_t<cff2_cs_opset_extents_t, cff2_e
bool OT::cff2::accelerator_t::get_extents (hb_font_t *font, bool OT::cff2::accelerator_t::get_extents (hb_font_t *font,
hb_codepoint_t glyph, hb_codepoint_t glyph,
hb_glyph_extents_t *extents) const hb_glyph_extents_t *extents) const
{
return get_extents_at (font, glyph, extents, hb_array (font->coords, font->num_coords));
}
bool OT::cff2::accelerator_t::get_extents_at (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
hb_array_t<const int> coords) const
{ {
#ifdef HB_NO_OT_FONT_CFF #ifdef HB_NO_OT_FONT_CFF
/* XXX Remove check when this code moves to .hh file. */ /* XXX Remove check when this code moves to .hh file. */
@ -112,7 +120,7 @@ bool OT::cff2::accelerator_t::get_extents (hb_font_t *font,
unsigned int fd = fdSelect->get_fd (glyph); unsigned int fd = fdSelect->get_fd (glyph);
const hb_ubytes_t str = (*charStrings)[glyph]; const hb_ubytes_t str = (*charStrings)[glyph];
cff2_cs_interp_env_t<number_t> env (str, *this, fd, font->coords, font->num_coords); cff2_cs_interp_env_t<number_t> env (str, *this, fd, coords.arrayZ, coords.length);
cff2_cs_interpreter_t<cff2_cs_opset_extents_t, cff2_extents_param_t, number_t> interp (env); cff2_cs_interpreter_t<cff2_cs_opset_extents_t, cff2_extents_param_t, number_t> interp (env);
cff2_extents_param_t param; cff2_extents_param_t param;
if (unlikely (!interp.interpret (param))) return false; if (unlikely (!interp.interpret (param))) return false;

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@ -458,7 +458,8 @@ struct cff2
if (unlikely (!font_interp.interpret (*font))) goto fail; if (unlikely (!font_interp.interpret (*font))) goto fail;
const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff2, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size); const hb_ubytes_t privDictStr = StructAtOffsetOrNull<UnsizedByteStr> (cff2, font->privateDictInfo.offset, sc, font->privateDictInfo.size).as_ubytes (font->privateDictInfo.size);
if (unlikely (privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail; if (unlikely (font->privateDictInfo.size &&
privDictStr == (const unsigned char *) &Null (UnsizedByteStr))) goto fail;
cff2_priv_dict_interp_env_t env2 (privDictStr); cff2_priv_dict_interp_env_t env2 (privDictStr);
dict_interpreter_t<PRIVOPSET, PRIVDICTVAL, cff2_priv_dict_interp_env_t> priv_interp (env2); dict_interpreter_t<PRIVOPSET, PRIVDICTVAL, cff2_priv_dict_interp_env_t> priv_interp (env2);
privateDicts[i].init (); privateDicts[i].init ();
@ -481,6 +482,13 @@ struct cff2
privateDicts.fini (); privateDicts.fini ();
hb_blob_destroy (blob); hb_blob_destroy (blob);
blob = nullptr; blob = nullptr;
auto *scalars = cached_scalars_vector.get_acquire ();
if (scalars && cached_scalars_vector.cmpexch (scalars, nullptr))
{
scalars->fini ();
hb_free (scalars);
}
} }
hb_vector_t<uint16_t> *create_glyph_to_sid_map () const hb_vector_t<uint16_t> *create_glyph_to_sid_map () const
@ -508,6 +516,8 @@ struct cff2
hb_vector_t<cff2_font_dict_values_t> fontDicts; hb_vector_t<cff2_font_dict_values_t> fontDicts;
hb_vector_t<PRIVDICTVAL> privateDicts; hb_vector_t<PRIVDICTVAL> privateDicts;
mutable hb_atomic_t<hb_vector_t<float> *> cached_scalars_vector;
unsigned int num_glyphs = 0; unsigned int num_glyphs = 0;
}; };
@ -518,6 +528,10 @@ struct cff2
HB_INTERNAL bool get_extents (hb_font_t *font, HB_INTERNAL bool get_extents (hb_font_t *font,
hb_codepoint_t glyph, hb_codepoint_t glyph,
hb_glyph_extents_t *extents) const; hb_glyph_extents_t *extents) const;
HB_INTERNAL bool get_extents_at (hb_font_t *font,
hb_codepoint_t glyph,
hb_glyph_extents_t *extents,
hb_array_t<const int> coords) const;
HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const; HB_INTERNAL bool get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const;
HB_INTERNAL bool get_path_at (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session, hb_array_t<const int> coords) const; HB_INTERNAL bool get_path_at (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session, hb_array_t<const int> coords) const;
}; };

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@ -204,7 +204,7 @@ hb_ot_color_palette_get_colors (hb_face_t *face,
hb_bool_t hb_bool_t
hb_ot_color_has_layers (hb_face_t *face) hb_ot_color_has_layers (hb_face_t *face)
{ {
return face->table.COLR->has_v0_data (); return face->table.COLR->colr->has_v0_data ();
} }
/** /**
@ -221,7 +221,7 @@ hb_ot_color_has_layers (hb_face_t *face)
hb_bool_t hb_bool_t
hb_ot_color_has_paint (hb_face_t *face) hb_ot_color_has_paint (hb_face_t *face)
{ {
return face->table.COLR->has_v1_data (); return face->table.COLR->colr->has_v1_data ();
} }
/** /**
@ -240,7 +240,7 @@ hb_bool_t
hb_ot_color_glyph_has_paint (hb_face_t *face, hb_ot_color_glyph_has_paint (hb_face_t *face,
hb_codepoint_t glyph) hb_codepoint_t glyph)
{ {
return face->table.COLR->has_paint_for_glyph (glyph); return face->table.COLR->colr->has_paint_for_glyph (glyph);
} }
/** /**
@ -266,7 +266,7 @@ hb_ot_color_glyph_get_layers (hb_face_t *face,
unsigned int *layer_count, /* IN/OUT. May be NULL. */ unsigned int *layer_count, /* IN/OUT. May be NULL. */
hb_ot_color_layer_t *layers /* OUT. May be NULL. */) hb_ot_color_layer_t *layers /* OUT. May be NULL. */)
{ {
return face->table.COLR->get_glyph_layers (glyph, start_offset, layer_count, layers); return face->table.COLR->colr->get_glyph_layers (glyph, start_offset, layer_count, layers);
} }

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@ -136,7 +136,7 @@ HB_OT_TABLE (AAT, feat)
/* OpenType color fonts. */ /* OpenType color fonts. */
#ifndef HB_NO_COLOR #ifndef HB_NO_COLOR
HB_OT_CORE_TABLE (OT, COLR) HB_OT_ACCELERATOR (OT, COLR)
HB_OT_CORE_TABLE (OT, CPAL) HB_OT_CORE_TABLE (OT, CPAL)
HB_OT_ACCELERATOR (OT, CBDT) HB_OT_ACCELERATOR (OT, CBDT)
HB_OT_ACCELERATOR (OT, sbix) HB_OT_ACCELERATOR (OT, sbix)

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@ -36,6 +36,7 @@
#include "hb-ot-name-table.hh" #include "hb-ot-name-table.hh"
#include "hb-ot-post-table.hh" #include "hb-ot-post-table.hh"
#include "OT/Color/CBDT/CBDT.hh" #include "OT/Color/CBDT/CBDT.hh"
#include "OT/Color/COLR/COLR.hh"
#include "OT/Color/sbix/sbix.hh" #include "OT/Color/sbix/sbix.hh"
#include "OT/Color/svg/svg.hh" #include "OT/Color/svg/svg.hh"
#include "hb-ot-layout-gdef-table.hh" #include "hb-ot-layout-gdef-table.hh"

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@ -85,8 +85,8 @@ struct hb_ot_font_t
#endif #endif
/* h_advance caching */ /* h_advance caching */
mutable hb_atomic_int_t cached_coords_serial; mutable hb_atomic_t<int> cached_coords_serial;
mutable hb_atomic_ptr_t<hb_ot_font_advance_cache_t> advance_cache; mutable hb_atomic_t<hb_ot_font_advance_cache_t *> advance_cache;
}; };
static hb_ot_font_t * static hb_ot_font_t *
@ -471,6 +471,9 @@ hb_ot_get_glyph_extents (hb_font_t *font,
const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data;
const hb_ot_face_t *ot_face = ot_font->ot_face; const hb_ot_face_t *ot_face = ot_font->ot_face;
#ifndef HB_NO_VAR_COMPOSITES
if (ot_face->VARC->get_extents (font, glyph, extents)) return true;
#endif
#if !defined(HB_NO_OT_FONT_BITMAP) && !defined(HB_NO_COLOR) #if !defined(HB_NO_OT_FONT_BITMAP) && !defined(HB_NO_COLOR)
if (ot_face->sbix->get_extents (font, glyph, extents)) return true; if (ot_face->sbix->get_extents (font, glyph, extents)) return true;
if (ot_face->CBDT->get_extents (font, glyph, extents)) return true; if (ot_face->CBDT->get_extents (font, glyph, extents)) return true;

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@ -27,6 +27,7 @@
#ifndef HB_OT_KERN_TABLE_HH #ifndef HB_OT_KERN_TABLE_HH
#define HB_OT_KERN_TABLE_HH #define HB_OT_KERN_TABLE_HH
#include "hb-aat-layout-common.hh"
#include "hb-aat-layout-kerx-table.hh" #include "hb-aat-layout-kerx-table.hh"
@ -400,6 +401,7 @@ struct kern
hb_blob_ptr_t<kern> table; hb_blob_ptr_t<kern> table;
AAT::kern_accelerator_data_t accel_data; AAT::kern_accelerator_data_t accel_data;
AAT::hb_aat_scratch_t scratch;
}; };
protected: protected:

View File

@ -2565,7 +2565,7 @@ struct VarRegionList
if (cache) if (cache)
{ {
cached_value = &(cache[region_index]); cached_value = &(cache[region_index]);
if (likely (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID)) if (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID)
return *cached_value; return *cached_value;
} }
@ -2743,7 +2743,7 @@ struct SparseVarRegionList
if (cache) if (cache)
{ {
cached_value = &(cache[region_index]); cached_value = &(cache[region_index]);
if (likely (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID)) if (*cached_value != REGION_CACHE_ITEM_CACHE_INVALID)
return *cached_value; return *cached_value;
} }

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@ -4900,7 +4900,7 @@ struct GSUBGPOS
this->lookup_count = table->get_lookup_count (); this->lookup_count = table->get_lookup_count ();
this->accels = (hb_atomic_ptr_t<hb_ot_layout_lookup_accelerator_t> *) hb_calloc (this->lookup_count, sizeof (*accels)); this->accels = (hb_atomic_t<hb_ot_layout_lookup_accelerator_t *> *) hb_calloc (this->lookup_count, sizeof (*accels));
if (unlikely (!this->accels)) if (unlikely (!this->accels))
{ {
this->lookup_count = 0; this->lookup_count = 0;
@ -4948,7 +4948,7 @@ struct GSUBGPOS
hb_blob_ptr_t<T> table; hb_blob_ptr_t<T> table;
unsigned int lookup_count; unsigned int lookup_count;
hb_atomic_ptr_t<hb_ot_layout_lookup_accelerator_t> *accels; hb_atomic_t<hb_ot_layout_lookup_accelerator_t *> *accels;
}; };
protected: protected:

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@ -131,13 +131,15 @@ hb_ot_layout_kern (const hb_ot_shape_plan_t *plan,
hb_font_t *font, hb_font_t *font,
hb_buffer_t *buffer) hb_buffer_t *buffer)
{ {
hb_blob_t *blob = font->face->table.kern.get_blob (); auto &accel = *font->face->table.kern;
const auto& kern = *font->face->table.kern; hb_blob_t *blob = accel.get_blob ();
AAT::hb_aat_apply_context_t c (plan, font, buffer, blob); AAT::hb_aat_apply_context_t c (plan, font, buffer, blob);
if (!buffer->message (font, "start table kern")) return; if (!buffer->message (font, "start table kern")) return;
kern.apply (&c); c.buffer_glyph_set = accel.scratch.create_buffer_glyph_set ();
accel.apply (&c);
accel.scratch.destroy_buffer_glyph_set (c.buffer_glyph_set);
(void) buffer->message (font, "end table kern"); (void) buffer->message (font, "end table kern");
} }
#endif #endif

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@ -202,7 +202,8 @@ enum hb_unicode_props_flags_t {
/* If GEN_CAT=FORMAT, top byte masks: */ /* If GEN_CAT=FORMAT, top byte masks: */
UPROPS_MASK_Cf_ZWJ = 0x0100u, UPROPS_MASK_Cf_ZWJ = 0x0100u,
UPROPS_MASK_Cf_ZWNJ = 0x0200u, UPROPS_MASK_Cf_ZWNJ = 0x0200u,
UPROPS_MASK_Cf_VS = 0x0400u UPROPS_MASK_Cf_VS = 0x0400u,
UPROPS_MASK_Cf_AAT_DELETED = 0x0800u
}; };
HB_MARK_AS_FLAG_T (hb_unicode_props_flags_t); HB_MARK_AS_FLAG_T (hb_unicode_props_flags_t);
@ -386,6 +387,8 @@ _hb_grapheme_group_func (const hb_glyph_info_t& a HB_UNUSED,
static inline void static inline void
_hb_ot_layout_reverse_graphemes (hb_buffer_t *buffer) _hb_ot_layout_reverse_graphemes (hb_buffer_t *buffer)
{ {
// MONOTONE_GRAPHEMES was already applied and is taken care of by _hb_grapheme_group_func.
// So we just check for MONOTONE_CHARACTERS here.
buffer->reverse_groups (_hb_grapheme_group_func, buffer->reverse_groups (_hb_grapheme_group_func,
buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS); buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS);
} }
@ -418,6 +421,17 @@ _hb_glyph_info_flip_joiners (hb_glyph_info_t *info)
return; return;
info->unicode_props() ^= UPROPS_MASK_Cf_ZWNJ | UPROPS_MASK_Cf_ZWJ; info->unicode_props() ^= UPROPS_MASK_Cf_ZWNJ | UPROPS_MASK_Cf_ZWJ;
} }
static inline bool
_hb_glyph_info_is_aat_deleted (const hb_glyph_info_t *info)
{
return _hb_glyph_info_is_unicode_format (info) && (info->unicode_props() & UPROPS_MASK_Cf_AAT_DELETED);
}
static inline void
_hb_glyph_info_set_aat_deleted (hb_glyph_info_t *info)
{
_hb_glyph_info_set_general_category (info, HB_UNICODE_GENERAL_CATEGORY_FORMAT);
info->unicode_props() |= UPROPS_MASK_Cf_AAT_DELETED;
}
/* lig_props: aka lig_id / lig_comp /* lig_props: aka lig_id / lig_comp
* *

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@ -290,7 +290,7 @@ struct post
const Array16Of<HBUINT16> *glyphNameIndex = nullptr; const Array16Of<HBUINT16> *glyphNameIndex = nullptr;
hb_vector_t<uint32_t> index_to_offset; hb_vector_t<uint32_t> index_to_offset;
const uint8_t *pool = nullptr; const uint8_t *pool = nullptr;
hb_atomic_ptr_t<uint16_t *> gids_sorted_by_name; hb_atomic_t<uint16_t *> gids_sorted_by_name;
}; };
bool has_data () const { return version.to_int (); } bool has_data () const { return version.to_int (); }

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@ -84,6 +84,7 @@ hb_ot_shape_planner_t::hb_ot_shape_planner_t (hb_face_t *fac
props (props), props (props),
map (face, props) map (face, props)
#ifndef HB_NO_AAT_SHAPE #ifndef HB_NO_AAT_SHAPE
, aat_map (face, props)
, apply_morx (_hb_apply_morx (face, props)) , apply_morx (_hb_apply_morx (face, props))
#endif #endif
{ {
@ -106,6 +107,10 @@ hb_ot_shape_planner_t::compile (hb_ot_shape_plan_t &plan,
plan.props = props; plan.props = props;
plan.shaper = shaper; plan.shaper = shaper;
map.compile (plan.map, key); map.compile (plan.map, key);
#ifndef HB_NO_AAT_SHAPE
if (apply_morx)
aat_map.compile (plan.aat_map);
#endif
#ifndef HB_NO_OT_SHAPE_FRACTIONS #ifndef HB_NO_OT_SHAPE_FRACTIONS
plan.frac_mask = plan.map.get_1_mask (HB_TAG ('f','r','a','c')); plan.frac_mask = plan.map.get_1_mask (HB_TAG ('f','r','a','c'));
@ -551,7 +556,7 @@ hb_form_clusters (hb_buffer_t *buffer)
if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII)) if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII))
return; return;
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) if (HB_BUFFER_CLUSTER_LEVEL_IS_GRAPHEMES (buffer->cluster_level))
foreach_grapheme (buffer, start, end) foreach_grapheme (buffer, start, end)
buffer->merge_clusters (start, end); buffer->merge_clusters (start, end);
else else
@ -609,7 +614,7 @@ hb_ensure_native_direction (hb_buffer_t *buffer)
* Ogham fonts are supposed to be implemented BTT or not. Need to research that * Ogham fonts are supposed to be implemented BTT or not. Need to research that
* first. */ * first. */
if ((HB_DIRECTION_IS_HORIZONTAL (direction) && if ((HB_DIRECTION_IS_HORIZONTAL (direction) &&
direction != horiz_dir && horiz_dir != HB_DIRECTION_INVALID) || direction != horiz_dir && HB_DIRECTION_IS_VALID (horiz_dir)) ||
(HB_DIRECTION_IS_VERTICAL (direction) && (HB_DIRECTION_IS_VERTICAL (direction) &&
direction != HB_DIRECTION_TTB)) direction != HB_DIRECTION_TTB))
{ {
@ -1109,10 +1114,6 @@ hb_ot_position_plan (const hb_ot_shape_context_t *c)
/* Finish off. Has to follow a certain order. */ /* Finish off. Has to follow a certain order. */
hb_ot_layout_position_finish_advances (c->font, c->buffer); hb_ot_layout_position_finish_advances (c->font, c->buffer);
hb_ot_zero_width_default_ignorables (c->buffer); hb_ot_zero_width_default_ignorables (c->buffer);
#ifndef HB_NO_AAT_SHAPE
if (c->plan->apply_morx)
hb_aat_layout_zero_width_deleted_glyphs (c->buffer);
#endif
hb_ot_layout_position_finish_offsets (c->font, c->buffer); hb_ot_layout_position_finish_offsets (c->font, c->buffer);
/* The nil glyph_h_origin() func returns 0, so no need to apply it. */ /* The nil glyph_h_origin() func returns 0, so no need to apply it. */

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@ -66,6 +66,7 @@ struct hb_ot_shape_plan_t
hb_segment_properties_t props; hb_segment_properties_t props;
const struct hb_ot_shaper_t *shaper; const struct hb_ot_shaper_t *shaper;
hb_ot_map_t map; hb_ot_map_t map;
hb_aat_map_t aat_map;
const void *data; const void *data;
#ifndef HB_NO_OT_SHAPE_FRACTIONS #ifndef HB_NO_OT_SHAPE_FRACTIONS
hb_mask_t frac_mask, numr_mask, dnom_mask; hb_mask_t frac_mask, numr_mask, dnom_mask;
@ -141,6 +142,7 @@ struct hb_ot_shape_planner_t
hb_segment_properties_t props; hb_segment_properties_t props;
hb_ot_map_builder_t map; hb_ot_map_builder_t map;
#ifndef HB_NO_AAT_SHAPE #ifndef HB_NO_AAT_SHAPE
hb_aat_map_builder_t aat_map;
bool apply_morx : 1; bool apply_morx : 1;
#else #else
static constexpr bool apply_morx = false; static constexpr bool apply_morx = false;

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@ -260,7 +260,7 @@ struct arabic_shape_plan_t
* mask_array[NONE] == 0. */ * mask_array[NONE] == 0. */
hb_mask_t mask_array[ARABIC_NUM_FEATURES + 1]; hb_mask_t mask_array[ARABIC_NUM_FEATURES + 1];
hb_atomic_ptr_t<arabic_fallback_plan_t> fallback_plan; hb_atomic_t<arabic_fallback_plan_t *> fallback_plan;
unsigned int do_fallback : 1; unsigned int do_fallback : 1;
unsigned int has_stch : 1; unsigned int has_stch : 1;

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@ -298,8 +298,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
end = start + 2; end = start + 2;
if (unlikely (!buffer->successful)) if (unlikely (!buffer->successful))
break; break;
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) buffer->merge_out_clusters (start, end);
buffer->merge_out_clusters (start, end);
continue; continue;
} }
} }
@ -372,8 +371,7 @@ preprocess_text_hangul (const hb_ot_shape_plan_t *plan HB_UNUSED,
if (i < end) if (i < end)
info[i++].hangul_shaping_feature() = TJMO; info[i++].hangul_shaping_feature() = TJMO;
if (buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) buffer->merge_out_clusters (start, end);
buffer->merge_out_clusters (start, end);
continue; continue;
} }
else if ((!tindex && buffer->idx + 1 < count && isT (buffer->cur(+1).codepoint))) else if ((!tindex && buffer->idx + 1 < count && isT (buffer->cur(+1).codepoint)))

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@ -301,7 +301,7 @@ struct indic_shape_plan_t
#else #else
static constexpr bool uniscribe_bug_compatible = false; static constexpr bool uniscribe_bug_compatible = false;
#endif #endif
mutable hb_atomic_int_t virama_glyph; mutable hb_atomic_t<hb_codepoint_t> virama_glyph;
hb_indic_would_substitute_feature_t rphf; hb_indic_would_substitute_feature_t rphf;
hb_indic_would_substitute_feature_t pref; hb_indic_would_substitute_feature_t pref;

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@ -360,7 +360,7 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
{ {
/* Since we decomposed, and NIKHAHIT is combining, merge clusters with the /* Since we decomposed, and NIKHAHIT is combining, merge clusters with the
* previous cluster. */ * previous cluster. */
if (start && buffer->cluster_level == HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES) if (start)
buffer->merge_out_clusters (start - 1, end); buffer->merge_out_clusters (start - 1, end);
} }
} }

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@ -326,7 +326,7 @@ hb_ot_tags_from_language (const char *lang_str,
hb_tag_t lang_tag = hb_tag_from_string (lang_str, first_len); hb_tag_t lang_tag = hb_tag_from_string (lang_str, first_len);
static hb_atomic_int_t last_tag_idx; /* Poor man's cache. */ static hb_atomic_t<unsigned> last_tag_idx = 0; /* Poor man's cache. */
unsigned tag_idx = last_tag_idx; unsigned tag_idx = last_tag_idx;
if (likely (tag_idx < ot_languages_len && ot_languages[tag_idx].language == lang_tag) || if (likely (tag_idx < ot_languages_len && ot_languages[tag_idx].language == lang_tag) ||

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@ -53,10 +53,6 @@ struct hb_glyf_scratch_t
contour_point_vector_t deltas; contour_point_vector_t deltas;
hb_vector_t<unsigned int> shared_indices; hb_vector_t<unsigned int> shared_indices;
hb_vector_t<unsigned int> private_indices; hb_vector_t<unsigned int> private_indices;
// VARC
hb_vector_t<unsigned> axisIndices;
hb_vector_t<float> axisValues;
}; };
namespace OT { namespace OT {

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@ -35,13 +35,22 @@ typedef struct hb_paint_extents_context_t hb_paint_extents_context_t;
struct hb_paint_extents_context_t struct hb_paint_extents_context_t
{ {
hb_paint_extents_context_t () void clear ()
{ {
transforms.clear ();
clips.clear ();
groups.clear ();
transforms.push (hb_transform_t{}); transforms.push (hb_transform_t{});
clips.push (hb_bounds_t{hb_bounds_t::UNBOUNDED}); clips.push (hb_bounds_t{hb_bounds_t::UNBOUNDED});
groups.push (hb_bounds_t{hb_bounds_t::EMPTY}); groups.push (hb_bounds_t{hb_bounds_t::EMPTY});
} }
hb_paint_extents_context_t ()
{
clear ();
}
hb_extents_t get_extents () hb_extents_t get_extents ()
{ {
return groups.tail().extents; return groups.tail().extents;

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@ -464,6 +464,42 @@ hb_paint_push_transform (hb_paint_funcs_t *funcs, void *paint_data,
funcs->push_transform (paint_data, xx, yx, xy, yy, dx, dy); funcs->push_transform (paint_data, xx, yx, xy, yy, dx, dy);
} }
/**
* hb_paint_push_font_transform:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @font: a font
*
* Push the transform reflecting the font's scale and slant
* settings onto the paint functions.
*
* Since: 11.0.0
*/
void
hb_paint_push_font_transform (hb_paint_funcs_t *funcs, void *paint_data,
const hb_font_t *font)
{
funcs->push_font_transform (paint_data, font);
}
/**
* hb_paint_push_inverse_font_transform:
* @funcs: paint functions
* @paint_data: associated data passed by the caller
* @font: a font
*
* Push the inverse of the transform reflecting the font's
* scale and slant settings onto the paint functions.
*
* Since: 11.0.0
*/
void
hb_paint_push_inverse_font_transform (hb_paint_funcs_t *funcs, void *paint_data,
const hb_font_t *font)
{
funcs->push_inverse_font_transform (paint_data, font);
}
/** /**
* hb_paint_pop_transform: * hb_paint_pop_transform:
* @funcs: paint functions * @funcs: paint functions
@ -646,7 +682,7 @@ hb_paint_radial_gradient (hb_paint_funcs_t *funcs, void *paint_data,
float x0, float y0, float r0, float x0, float y0, float r0,
float x1, float y1, float r1) float x1, float y1, float r1)
{ {
funcs->radial_gradient (paint_data, color_line, x0, y0, r0, y1, x1, r1); funcs->radial_gradient (paint_data, color_line, x0, y0, r0, x1, y1, r1);
} }
/** /**

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@ -956,6 +956,14 @@ hb_paint_push_transform (hb_paint_funcs_t *funcs, void *paint_data,
float xy, float yy, float xy, float yy,
float dx, float dy); float dx, float dy);
HB_EXTERN void
hb_paint_push_font_transform (hb_paint_funcs_t *funcs, void *paint_data,
const hb_font_t *font);
HB_EXTERN void
hb_paint_push_inverse_font_transform (hb_paint_funcs_t *funcs, void *paint_data,
const hb_font_t *font);
HB_EXTERN void HB_EXTERN void
hb_paint_pop_transform (hb_paint_funcs_t *funcs, void *paint_data); hb_paint_pop_transform (hb_paint_funcs_t *funcs, void *paint_data);

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@ -157,7 +157,7 @@ struct hb_paint_funcs_t
/* Internal specializations. */ /* Internal specializations. */
void push_root_transform (void *paint_data, void push_font_transform (void *paint_data,
const hb_font_t *font) const hb_font_t *font)
{ {
float upem = font->face->get_upem (); float upem = font->face->get_upem ();
@ -168,8 +168,8 @@ struct hb_paint_funcs_t
xscale/upem, 0, slant * yscale/upem, yscale/upem, 0, 0); xscale/upem, 0, slant * yscale/upem, yscale/upem, 0, 0);
} }
void push_inverse_root_transform (void *paint_data, void push_inverse_font_transform (void *paint_data,
hb_font_t *font) const hb_font_t *font)
{ {
float upem = font->face->get_upem (); float upem = font->face->get_upem ();
int xscale = font->x_scale ? font->x_scale : upem; int xscale = font->x_scale ? font->x_scale : upem;

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@ -30,6 +30,7 @@
#include "hb.hh" #include "hb.hh"
#include "hb-bit-set-invertible.hh" #include "hb-bit-set-invertible.hh"
#include "hb-bit-vector.hh" // Just to include
template <typename impl_t> template <typename impl_t>

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@ -91,8 +91,10 @@ void free_static_shaper_list ()
* *
* Retrieves the list of shapers supported by HarfBuzz. * Retrieves the list of shapers supported by HarfBuzz.
* *
* Return value: (transfer none) (array zero-terminated=1): an array of * Return value: (transfer none) (array zero-terminated=1): a
* constant strings * `NULL`-terminated array of supported shapers constant string.
* The returned array is owned by HarfBuzz and should not be
* modified or freed.
* *
* Since: 0.9.2 * Since: 0.9.2
**/ **/

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@ -41,6 +41,7 @@
#include "hb-ot-maxp-table.hh" #include "hb-ot-maxp-table.hh"
#ifndef HB_NO_VISIBILITY #ifndef HB_NO_VISIBILITY
#include "hb-ot-name-language-static.hh" #include "hb-ot-name-language-static.hh"
uint64_t const _hb_NullPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof (uint64_t)] = {}; uint64_t const _hb_NullPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof (uint64_t)] = {};

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@ -570,7 +570,7 @@ struct cff_subset_accelerator_t
parsed_cs_str_vec_t parsed_charstrings; parsed_cs_str_vec_t parsed_charstrings;
parsed_cs_str_vec_t parsed_global_subrs; parsed_cs_str_vec_t parsed_global_subrs;
hb_vector_t<parsed_cs_str_vec_t> parsed_local_subrs; hb_vector_t<parsed_cs_str_vec_t> parsed_local_subrs;
mutable hb_atomic_ptr_t<glyph_to_sid_map_t> glyph_to_sid_map; mutable hb_atomic_t<glyph_to_sid_map_t *> glyph_to_sid_map;
private: private:
hb_blob_t* original_blob; hb_blob_t* original_blob;

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@ -90,7 +90,13 @@ struct hb_vector_t
{ {
auto iter = hb_iter (o); auto iter = hb_iter (o);
if (iter.is_random_access_iterator || iter.has_fast_len) if (iter.is_random_access_iterator || iter.has_fast_len)
alloc (hb_len (iter), true); {
if (unlikely (!alloc (hb_len (iter), true)))
return;
unsigned count = hb_len (iter);
for (unsigned i = 0; i < count; i++)
push_has_room (*iter++);
}
while (iter) while (iter)
{ {
if (unlikely (!alloc (length + 1))) if (unlikely (!alloc (length + 1)))
@ -436,7 +442,6 @@ struct hb_vector_t
new_allocated += (new_allocated >> 1) + 8; new_allocated += (new_allocated >> 1) + 8;
} }
/* Reallocate */ /* Reallocate */
bool overflows = bool overflows =

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@ -41,13 +41,13 @@ HB_BEGIN_DECLS
* *
* The major component of the library version available at compile-time. * The major component of the library version available at compile-time.
*/ */
#define HB_VERSION_MAJOR 10 #define HB_VERSION_MAJOR 11
/** /**
* HB_VERSION_MINOR: * HB_VERSION_MINOR:
* *
* The minor component of the library version available at compile-time. * The minor component of the library version available at compile-time.
*/ */
#define HB_VERSION_MINOR 4 #define HB_VERSION_MINOR 0
/** /**
* HB_VERSION_MICRO: * HB_VERSION_MICRO:
* *
@ -60,7 +60,7 @@ HB_BEGIN_DECLS
* *
* A string literal containing the library version available at compile-time. * A string literal containing the library version available at compile-time.
*/ */
#define HB_VERSION_STRING "10.4.0" #define HB_VERSION_STRING "11.0.0"
/** /**
* HB_VERSION_ATLEAST: * HB_VERSION_ATLEAST:

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@ -113,7 +113,7 @@ struct hb_wasm_shape_plan_t {
struct hb_wasm_face_data_t { struct hb_wasm_face_data_t {
hb_blob_t *wasm_blob; hb_blob_t *wasm_blob;
wasm_module_t wasm_module; wasm_module_t wasm_module;
mutable hb_atomic_ptr_t<hb_wasm_shape_plan_t> plan; mutable hb_atomic_t<hb_wasm_shape_plan_t *> plan;
}; };
static bool static bool

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@ -230,33 +230,6 @@
#define HB_PASTE(a,b) HB_PASTE1(a,b) #define HB_PASTE(a,b) HB_PASTE1(a,b)
/* Compile-time custom allocator support. */
#if !defined(HB_CUSTOM_MALLOC) \
&& defined(hb_malloc_impl) \
&& defined(hb_calloc_impl) \
&& defined(hb_realloc_impl) \
&& defined(hb_free_impl)
#define HB_CUSTOM_MALLOC
#endif
#ifdef HB_CUSTOM_MALLOC
extern "C" void* hb_malloc_impl(size_t size);
extern "C" void* hb_calloc_impl(size_t nmemb, size_t size);
extern "C" void* hb_realloc_impl(void *ptr, size_t size);
extern "C" void hb_free_impl(void *ptr);
#define hb_malloc hb_malloc_impl
#define hb_calloc hb_calloc_impl
#define hb_realloc hb_realloc_impl
#define hb_free hb_free_impl
#else
#define hb_malloc malloc
#define hb_calloc calloc
#define hb_realloc realloc
#define hb_free free
#endif
/* /*
* Compiler attributes * Compiler attributes
*/ */
@ -282,7 +255,7 @@ extern "C" void hb_free_impl(void *ptr);
#define __attribute__(x) #define __attribute__(x)
#endif #endif
#if defined(__MINGW32__) && (__GNUC__ >= 3) #if defined(__MINGW32__) && (__GNUC__ >= 3) && !defined(__clang__)
#define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (gnu_printf, format_idx, arg_idx))) #define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (gnu_printf, format_idx, arg_idx)))
#elif defined(__GNUC__) && (__GNUC__ >= 3) #elif defined(__GNUC__) && (__GNUC__ >= 3)
#define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (__printf__, format_idx, arg_idx))) #define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (__printf__, format_idx, arg_idx)))
@ -539,6 +512,29 @@ static_assert ((sizeof (hb_var_int_t) == 4), "");
#define HB_PI 3.14159265358979f #define HB_PI 3.14159265358979f
#define HB_2_PI (2.f * HB_PI) #define HB_2_PI (2.f * HB_PI)
/* Compile-time custom allocator support. */
#if !defined(HB_CUSTOM_MALLOC) \
&& defined(hb_malloc_impl) \
&& defined(hb_calloc_impl) \
&& defined(hb_realloc_impl) \
&& defined(hb_free_impl)
#define HB_CUSTOM_MALLOC
#endif
#ifdef HB_CUSTOM_MALLOC
extern "C" void* hb_malloc_impl(size_t size);
extern "C" void* hb_calloc_impl(size_t nmemb, size_t size);
extern "C" void* hb_realloc_impl(void *ptr, size_t size);
extern "C" void hb_free_impl(void *ptr);
#else
#define hb_malloc_impl malloc
#define hb_calloc_impl calloc
#define hb_realloc_impl realloc
#define hb_free_impl free
#endif
/* Headers we include for everyone. Keep topologically sorted by dependency. /* Headers we include for everyone. Keep topologically sorted by dependency.
* They express dependency amongst themselves, but no other file should include * They express dependency amongst themselves, but no other file should include