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Do not reuse a passed CONST RECT * pointer.

This commit is contained in:
Marcus Meissner 1999-06-13 08:36:34 +00:00 committed by Alexandre Julliard
parent a7617a05d1
commit b8830034d9
1 changed files with 12 additions and 11 deletions
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23
objects/region.c
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@ -2588,19 +2588,21 @@ HRGN WINAPI GetRandomRgn(DWORD dwArg1, DWORD dwArg2, DWORD dwArg3)
*/
static BOOL REGION_CropAndOffsetRegion(const POINT* off, const RECT *rect, WINEREGION *rgnSrc, WINEREGION* rgnDst)
{
if( !rect ) /* just copy and offset */
{
RECT *xrect;
if( rgnDst == rgnSrc )
{
if( off->x || off->y )
rect = rgnDst->rects;
xrect = rgnDst->rects;
else
return TRUE;
}
else
rect = HeapReAlloc( SystemHeap, 0, rgnDst->rects,
xrect = HeapReAlloc( SystemHeap, 0, rgnDst->rects,
rgnSrc->size * sizeof( RECT ));
if( rect )
if( xrect )
{
INT i;
@ -2611,18 +2613,17 @@ static BOOL REGION_CropAndOffsetRegion(const POINT* off, const RECT *rect, WINER
{
for( i = 0; i < rgnDst->numRects; i++ )
{
rect[i].left = rgnSrc->rects[i].left + off->x;
rect[i].right = rgnSrc->rects[i].right + off->x;
rect[i].top = rgnSrc->rects[i].top + off->y;
rect[i].bottom = rgnSrc->rects[i].bottom + off->y;
xrect[i].left = rgnSrc->rects[i].left + off->x;
xrect[i].right = rgnSrc->rects[i].right + off->x;
xrect[i].top = rgnSrc->rects[i].top + off->y;
xrect[i].bottom = rgnSrc->rects[i].bottom + off->y;
}
OffsetRect( &rgnDst->extents, off->x, off->y );
}
else
memcpy( rect, rgnSrc->rects, rgnDst->numRects * sizeof( RECT ));
rgnDst->rects = rect;
}
else
memcpy( xrect, rgnSrc->rects, rgnDst->numRects * sizeof(RECT));
rgnDst->rects = xrect;
} else
return FALSE;
}
else if( IsRectEmpty(rect) || !EXTENTCHECK(rect, &rgnSrc->extents) )