wasm: add DejaVu Sans as a fallback font

Add fallback font which supports emoji.
Similar logic of addding additional fallback fonts is used
for some other platforms.

Pick-to: 6.4
Fixes: QTBUG-87339
Change-Id: Iad9e7071bcc3c5bb1c11c6c745fd86f7d0f7860b
Reviewed-by: Mikołaj Boc <Mikolaj.Boc@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
This commit is contained in:
Aleksandr Reviakin 2022-09-15 13:59:05 +02:00
parent dfabeead97
commit 81d9b5ada4

View File

@ -161,11 +161,13 @@ QStringList QWasmFontDatabase::fallbacksForFamily(const QString &family, QFont::
QStringList fallbacks
= QFreeTypeFontDatabase::fallbacksForFamily(family, style, styleHint, script);
// Add the vera.ttf font (loaded in populateFontDatabase above) as a falback font
// Add the vera.ttf and DejaVuSans.ttf fonts (loaded in populateFontDatabase above) as falback fonts
// to all other fonts (except itself).
const QString veraFontFamily = QStringLiteral("Bitstream Vera Sans");
if (family != veraFontFamily)
fallbacks.append(veraFontFamily);
static const QString wasmFallbackFonts[] = { "Bitstream Vera Sans", "DejaVu Sans" };
for (auto wasmFallbackFont : wasmFallbackFonts) {
if (family != wasmFallbackFont && !fallbacks.contains(wasmFallbackFont))
fallbacks.append(wasmFallbackFont);
}
return fallbacks;
}