From 704bfb1c67dd20d465f56bb1704500cd044f9494 Mon Sep 17 00:00:00 2001
From: Kim Motoyoshi Kalland <kim.kalland@nokia.com>
Date: Fri, 17 Jul 2009 14:36:47 +0200
Subject: 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
---
 src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 1 +
 1 file changed, 1 insertion(+)

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);
-- 
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