diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoabackingstore.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoabackingstore.mm | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoabackingstore.mm b/src/plugins/platforms/cocoa/qcocoabackingstore.mm index 972bfc46cb..1f39d787be 100644 --- a/src/plugins/platforms/cocoa/qcocoabackingstore.mm +++ b/src/plugins/platforms/cocoa/qcocoabackingstore.mm @@ -79,7 +79,15 @@ void QCocoaBackingStore::beginPaint(const QRegion ®ion) void QCocoaBackingStore::endPaint() { QRasterBackingStore::endPaint(); - m_cgImage = m_image.toCGImage(); + + // Prevent potentially costly color conversion by assiging the display + // color space to the backingstore image. + NSView *view = static_cast<QCocoaWindow *>(window()->handle())->view(); + CGColorSpaceRef displayColorSpace = view.window.screen.colorSpace.CGColorSpace; + QCFType<CGImageRef> displayColorSpaceImage = + CGImageCreateCopyWithColorSpace(m_image.toCGImage(), displayColorSpace); + + m_cgImage = displayColorSpaceImage; } #if !QT_MACOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__MAC_10_12) |