summaryrefslogtreecommitdiffstats
path: root/src/platformsupport/fontdatabases/mac
diff options
context:
space:
mode:
authorTor Arne Vestbø <tor.arne.vestbo@qt.io>2018-12-18 22:20:57 +0100
committerTor Arne Vestbø <tor.arne.vestbo@qt.io>2018-12-23 12:00:07 +0000
commit3306b162392cb4afe268e8dfecd3a0e7ba7eaca6 (patch)
tree5d69c83f42fc17fe4cc16c59c768c644b767d72f /src/platformsupport/fontdatabases/mac
parent5af60d3b371360285af442d1ee194b44d681f297 (diff)
macOS: Only do gamma-corrected blending for subpixel-antialiased text
The grayscale font-smoothing doesn't expect to be linearly blended, as first assumed. Amended nativetext manual test to better diagnose the native Core Text behavior. Non-linear blending will result in the magenta text having a dark outline against the green background. Change-Id: I24a5f04eb1bd66fb98d621078d80ee9b80800827 Reviewed-by: Simon Hausmann <simon.hausmann@qt.io> Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Diffstat (limited to 'src/platformsupport/fontdatabases/mac')
-rw-r--r--src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm b/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
index 19b450b643..7957cd130a 100644
--- a/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
+++ b/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
@@ -736,7 +736,7 @@ bool QCoreTextFontEngine::shouldSmoothFont() const
bool QCoreTextFontEngine::expectsGammaCorrectedBlending() const
{
- return shouldSmoothFont();
+ return shouldSmoothFont() && fontSmoothing() == Subpixel;
}
qreal QCoreTextFontEngine::fontSmoothingGamma()