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Determine font smoothing gamma in initialization.

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Avoid calls to QStyleHint and QPlatformIntegration from
threads.

Change-Id: I851ef029ea348f182e0b42536d0a994960aa9187
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
This commit is contained in:
Friedemann Kleint 2012-03-28 12:04:08 +02:00 committed by Qt by Nokia
parent 6eae3cec5a
commit 4451010026
1 changed files with 5 additions and 2 deletions
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7
src/gui/kernel/qguiapplication.cpp
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@ -52,6 +52,7 @@
#include "qplatformintegration_qpa.h"
#include <QtCore/QAbstractEventDispatcher>
#include <QtCore/QVariant>
#include <QtCore/private/qcoreapplication_p.h>
#include <QtCore/private/qabstracteventdispatcher_p.h>
#include <QtCore/qmutex.h>
@ -143,6 +144,8 @@ static QBasicMutex applicationFontMutex;
QFont *QGuiApplicationPrivate::app_font = 0;
bool QGuiApplicationPrivate::obey_desktop_settings = true;
static qreal fontSmoothingGamma = 1.7;
extern void qRegisterGuiVariant();
extern void qUnregisterGuiVariant();
extern void qInitDrawhelperAsm();
@ -579,6 +582,7 @@ static void init_platform(const QString &pluginArgument, const QString &platform
nativeInterface->setProperty(name.constData(), value);
}
}
fontSmoothingGamma = QGuiApplicationPrivate::platformIntegration()->styleHint(QPlatformIntegration::FontSmoothingGamma).toReal();
}
static void init_plugins(const QList<QByteArray> &pluginList)
@ -2174,8 +2178,7 @@ const QDrawHelperGammaTables *QGuiApplicationPrivate::gammaTables()
{
QDrawHelperGammaTables *result = m_gammaTables.load();
if (!result){
const qreal smoothing = qApp->styleHints()->fontSmoothingGamma();
QDrawHelperGammaTables *tables = new QDrawHelperGammaTables(smoothing);
QDrawHelperGammaTables *tables = new QDrawHelperGammaTables(fontSmoothingGamma);
if (!m_gammaTables.testAndSetRelease(0, tables))
delete tables;
result = m_gammaTables.load();