diff options
| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-02-13 11:31:14 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-02-20 16:11:02 +0100 |
| commit | 14f1ec186f87ce50037044ccb079463676518ec5 (patch) | |
| tree | 7e0918d1889cc93d52c5e996e79a733b2728e37b /src/plugins/platforms/cocoa/qpaintengine_mac.mm | |
| parent | a99d7cf37213f86c8be55fc80a9785ec9a0d382d (diff) | |
Make bytes-per-line safe for int overflow
Goes through the Qt code and make sure bytes-per-line calculations are
safe when they are too big for 32bit integers.
Change-Id: I88b2d74b3da82e91407d316aa932a4a37587c0cf
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/plugins/platforms/cocoa/qpaintengine_mac.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qpaintengine_mac.mm | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qpaintengine_mac.mm b/src/plugins/platforms/cocoa/qpaintengine_mac.mm index 00b2267f0d..cadb76d2e4 100644 --- a/src/plugins/platforms/cocoa/qpaintengine_mac.mm +++ b/src/plugins/platforms/cocoa/qpaintengine_mac.mm @@ -90,7 +90,7 @@ CGImageRef qt_mac_create_imagemask(const QPixmap &pixmap, const QRectF &sr) image = image.convertToFormat(QImage::Format_ARGB32_Premultiplied); const int sx = qRound(sr.x()), sy = qRound(sr.y()), sw = qRound(sr.width()), sh = qRound(sr.height()); - const int sbpr = image.bytesPerLine(); + const qsizetype sbpr = image.bytesPerLine(); const uint nbytes = sw * sh; // alpha is always 255 for bitmaps, ignore it in this case. const quint32 mask = pixmap.depth() == 1 ? 0x00ffffff : 0xffffffff; |