diff options
author | Liang Qi <liang.qi@qt.io> | 2017-10-15 21:05:08 +0200 |
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committer | Orgad Shaneh <orgad.shaneh@audiocodes.com> | 2017-10-16 22:21:52 +0300 |
commit | 01afc8c810201b93a12fe7030344e03566d99001 (patch) | |
tree | 27727b38370209dc158856b4bb4d32ccd2e49fbe /src/gui/painting/qdrawhelper.cpp | |
parent | a090076e93487f8e461d9b866b9da1c0c21cb59b (diff) | |
parent | 49da5ce10034161017b261e000d4e9063d962401 (diff) |
Merge remote-tracking branch 'origin/5.9' into 5.10
Change-Id: I3cf73c53cf131d0babfb558c2507bed0e0fc5f08
Diffstat (limited to 'src/gui/painting/qdrawhelper.cpp')
-rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index 5207e861e6..5ec570a5db 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -5572,6 +5572,8 @@ static void qt_alphamapblit_generic(QRasterBuffer *rasterBuffer, int start = qMax<int>(x, clip.x); int end = qMin<int>(x + mapWidth, clip.x + clip.len); + if (end <= start) + continue; Q_ASSERT(end - start <= buffer_size); QRgba64 *dest = destFetch64((QRgba64*)buffer, rasterBuffer, start, clip.y, end - start); @@ -5845,6 +5847,8 @@ static void qt_alphargbblit_generic(QRasterBuffer *rasterBuffer, int start = qMax<int>(x, clip.x); int end = qMin<int>(x + mapWidth, clip.x + clip.len); + if (end <= start) + continue; Q_ASSERT(end - start <= buffer_size); QRgba64 *dest = destFetch64((QRgba64*)buffer, rasterBuffer, start, clip.y, end - start); |