AuroraMiddleware/qt5base-lts
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Do not apply subpixel gamma-correction on XCB

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To match rendering of subpixel antialiased text in Qt 4.8 and other
toolkits on X11, we should not apply gamma-correction. This also
makes the rendering of subpixel antialiased text closer to normal
antialiased text.

Task-number: QTBUG-41590
Change-Id: I45ad3448334951353657b878d002eea429858f2d
Reviewed-by: Samuel Rødal <srodal@gmail.com>
Reviewed-by: Sérgio Martins <sergio.martins@kdab.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
This commit is contained in:
Allan Sandfeld Jensen 2014-11-11 13:48:27 +01:00 committed by Allan Sandfeld Jensen
parent 320c1e0540
commit 501c510cc3
1 changed files with 3 additions and 1 deletions
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4
src/plugins/platforms/xcb/qxcbintegration.cpp
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@ -427,12 +427,14 @@ QVariant QXcbIntegration::styleHint(QPlatformIntegration::StyleHint hint) const
case QPlatformIntegration::StartDragTime:
case QPlatformIntegration::KeyboardAutoRepeatRate:
case QPlatformIntegration::PasswordMaskDelay:
case QPlatformIntegration::FontSmoothingGamma:
case QPlatformIntegration::StartDragVelocity:
case QPlatformIntegration::UseRtlExtensions:
case QPlatformIntegration::PasswordMaskCharacter:
// TODO using various xcb, gnome or KDE settings
break; // Not implemented, use defaults
case QPlatformIntegration::FontSmoothingGamma:
// Match Qt 4.8 text rendering, and rendering of other X11 toolkits.
return qreal(1.0);
case QPlatformIntegration::StartDragDistance: {
// The default (in QPlatformTheme::defaultThemeHint) is 10 pixels, but
// on a high-resolution screen it makes sense to increase it.