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authorKim Motoyoshi Kalland <kim.kalland@nokia.com>2009-07-17 12:36:47 (GMT)
committerKim Motoyoshi Kalland <kim.kalland@nokia.com>2009-07-21 13:54:53 (GMT)
commit704bfb1c67dd20d465f56bb1704500cd044f9494 (patch)
treecafd172b1f0716b34d90facf04e6182341311798 /src/opengl/gl2paintengineex
parent89038235d08a039145792e545c3efedfd3d93323 (diff)
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Fixed opacity bug in the GL2 paint engine.
When premultiplying a color with the opacity, the color's alpha channel was not set correcly. Reviewed-by: Tom
Diffstat (limited to 'src/opengl/gl2paintengineex')
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index fa6b966..7e8a281 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -299,6 +299,7 @@ void QGL2PaintEngineExPrivate::updateTextureFilter(GLenum target, GLenum wrapMod
QColor QGL2PaintEngineExPrivate::premultiplyColor(QColor c, GLfloat opacity)
{
qreal alpha = c.alphaF() * opacity;
+ c.setAlphaF(alpha);
c.setRedF(c.redF() * alpha);
c.setGreenF(c.greenF() * alpha);
c.setBlueF(c.blueF() * alpha);