make workaround with transparent background more reliable

2018-01-12 15:47:40 +01:00
parent bdbae7a3fe
commit 257ec15cff
2 changed files with 4 additions and 0 deletions
--- a/src/Gui/SoFCOffscreenRenderer.cpp
+++ b/src/Gui/SoFCOffscreenRenderer.cpp
@@ -784,6 +784,8 @@ SoQtOffscreenRenderer::writeToImage (QImage& img) const
        c2.setBlueF(PRIVATE(this)->backgroundopaque[2]);
        c2.setAlphaF(PRIVATE(this)->backgroundopaque[3]);

+        QImage image(img.constBits(), img.width(), img.height(), QImage::Format_ARGB32);
+        img = image.copy();
        QRgb rgba = c1.rgba();
        QRgb rgb = c2.rgb();
        QRgb * bits = (QRgb*) img.bits();