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Fixed a 64-bit calculation error.

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This commit is contained in:
Alex Smith 2012-08-05 12:59:46 +01:00
parent 284d75bd6a
commit e1be7d07d6
1 changed files with 2 additions and 2 deletions
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4
src/servers/app/drawing/DrawingEngine.cpp
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@ -1513,7 +1513,7 @@ DrawingEngine::CopyRect(BRect src, int32 xOffset, int32 yOffset) const
src = src & dst;
// calc offset in buffer
bits += (int32)src.left * 4 + (int32)src.top * bytesPerRow;
bits += (ssize_t)src.left * 4 + (ssize_t)src.top * bytesPerRow;
uint32 width = src.IntegerWidth() + 1;
uint32 height = src.IntegerHeight() + 1;
@ -1554,7 +1554,7 @@ DrawingEngine::_CopyRect(uint8* src, uint32 width, uint32 height,
yIncrement = bytesPerRow;
}
uint8* dst = src + yOffset * bytesPerRow + xOffset * 4;
uint8* dst = src + (ssize_t)yOffset * bytesPerRow + (ssize_t)xOffset * 4;
if (xIncrement == 1) {
uint8 tmpBuffer[width * 4];