diff options
| -rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index d1c6e9f..833f8cf 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -266,11 +266,11 @@ void QGL2PaintEngineExPrivate::updateTextureFilter(GLenum target, GLenum wrapMod QColor QGL2PaintEngineExPrivate::premultiplyColor(QColor c, GLfloat opacity) { - uint alpha = qRound(c.alpha() * opacity); - return QColor ( ((c.red() * alpha + 128) >> 8), - ((c.green() * alpha + 128) >> 8), - ((c.blue() * alpha + 128) >> 8), - alpha); + qreal alpha = c.alphaF() * opacity; + c.setRedF(c.redF() * alpha); + c.setGreenF(c.greenF() * alpha); + c.setBlueF(c.blueF() * alpha); + return c; } |