Remove unused function qt_mac_toCGImageMaskHEADdev

The last usage was removed in ca14d84197a8489dff87a414dfdab6eccd4cb2f5
when we modernized window masking.

Pick-to: 6.10 6.9 6.8 6.5
Change-Id: Ie7df930f36faf296f31c01cf2ac260607746966d
Reviewed-by: Volker Hilsheimer <[email protected]>

2 files changed, 0 insertions, 12 deletions

diff --git a/src/gui/painting/qcoregraphics.mm b/src/gui/painting/qcoregraphics.mm
index 377653bc691..93c604a30a1 100644
--- a/src/gui/painting/qcoregraphics.mm
+++ b/src/gui/painting/qcoregraphics.mm
@@ -60,17 +60,6 @@ CGImageRef qt_mac_toCGImage(const QImage &inImage)
     return inImage.convertToFormat(QImage::Format_ARGB32_Premultiplied).toCGImage();
 }
 
-CGImageRef qt_mac_toCGImageMask(const QImage &image)
-{
-    static const auto deleter = [](void *image, const void *, size_t) { delete static_cast<QImage *>(image); };
-    QCFType<CGDataProviderRef> dataProvider =
-            CGDataProviderCreateWithData(new QImage(image), image.bits(),
-                                                    image.sizeInBytes(), deleter);
-
-    return CGImageMaskCreate(image.width(), image.height(), 8, image.depth(),
-                              image.bytesPerLine(), dataProvider, NULL, false);
-}
-
 void qt_mac_drawCGImage(CGContextRef inContext, const CGRect *inBounds, CGImageRef inImage)
 {
     CGContextSaveGState( inContext );
diff --git a/src/gui/painting/qcoregraphics_p.h b/src/gui/painting/qcoregraphics_p.h
index 93812008390..57618f7a33b 100644
--- a/src/gui/painting/qcoregraphics_p.h
+++ b/src/gui/painting/qcoregraphics_p.h
@@ -67,7 +67,6 @@ QT_BEGIN_NAMESPACE
 
 #endif
 Q_GUI_EXPORT CGImageRef qt_mac_toCGImage(const QImage &qImage);
-Q_GUI_EXPORT CGImageRef qt_mac_toCGImageMask(const QImage &qImage);
 Q_GUI_EXPORT QImage qt_mac_toQImage(CGImageRef image);
 
 Q_GUI_EXPORT void qt_mac_drawCGImage(CGContextRef inContext, const CGRect *inBounds, CGImageRef inImage);