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-rw-r--r--src/gui/image/qnativeimage.cpp20
1 files changed, 19 insertions, 1 deletions
diff --git a/src/gui/image/qnativeimage.cpp b/src/gui/image/qnativeimage.cpp
index 844638789d..0f7872e92c 100644
--- a/src/gui/image/qnativeimage.cpp
+++ b/src/gui/image/qnativeimage.cpp
@@ -45,6 +45,9 @@
#include "private/qpaintengine_raster_p.h"
+#include "private/qapplication_p.h"
+#include "private/qgraphicssystem_p.h"
+
#if defined(Q_WS_X11) && !defined(QT_NO_MITSHM)
#include <qx11info_x11.h>
#include <sys/ipc.h>
@@ -241,8 +244,19 @@ QNativeImage::QNativeImage(int width, int height, QImage::Format format, bool /*
: image(width, height, format)
{
-
uint cgflags = kCGImageAlphaNoneSkipFirst;
+ switch (format) {
+ case QImage::Format_ARGB32:
+ cgflags = kCGImageAlphaFirst;
+ break;
+ case QImage::Format_ARGB32_Premultiplied:
+ case QImage::Format_ARGB8565_Premultiplied:
+ case QImage::Format_ARGB6666_Premultiplied:
+ case QImage::Format_ARGB8555_Premultiplied:
+ case QImage::Format_ARGB4444_Premultiplied:
+ cgflags = kCGImageAlphaPremultipliedFirst;
+ break;
+ }
#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version
cgflags |= kCGBitmapByteOrder32Host;
@@ -284,7 +298,11 @@ QNativeImage::~QNativeImage()
QImage::Format QNativeImage::systemFormat()
{
+#ifdef Q_WS_QPA
+ return QApplicationPrivate::platformIntegration()->screens().at(0)->format();
+#else
return QImage::Format_RGB32;
+#endif
}
#endif // platforms