Fix for QTBUG-4908 SVG transparency rendering problem.

QPixmap::copy discarded alpha channel.
This fix also removes usage of member variables CFbsBitGc and
CFbsBitmapDevice. Now those are used only in function scope.

Reviewed-by: Sami Merila

1 files changed, 5 insertions, 3 deletions

diff --git a/src/gui/painting/qwindowsurface_s60.cpp b/src/gui/painting/qwindowsurface_s60.cpp
index c66da71..15427c6 100644
--- a/src/gui/painting/qwindowsurface_s60.cpp
+++ b/src/gui/painting/qwindowsurface_s60.cpp
@@ -68,12 +68,14 @@ QS60WindowSurface::QS60WindowSurface(QWidget* widget)
         mode = EColor16MA; // Try for transparency anyway
 
     // We create empty CFbsBitmap here -> it will be resized in setGeometry
-	CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);	// CBase derived object needs check on new
+    CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);	// CBase derived object needs check on new
     qt_symbian_throwIfError( bitmap->Create( TSize(0, 0), mode ) );
 	
     QS60PixmapData *data = new QS60PixmapData(QPixmapData::PixmapType);
-    data->fromSymbianBitmap(bitmap);
-    d_ptr->device = QPixmap(data);
+    if (data) {
+        data->fromSymbianBitmap(bitmap, true);
+        d_ptr->device = QPixmap(data);
+    }
         
     setStaticContentsSupport(true);
 }