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[NTGDI]

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- Check for zero rectangles in REGION_bXformRgn.
CORE-12204

svn path=/trunk/; revision=73881
This commit is contained in:
Kamil Hornicek 2017-02-22 10:48:41 +00:00
parent 1d7676d1e0
commit f368db7eeb
1 changed files with 4 additions and 0 deletions
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4
reactos/win32ss/gdi/ntgdi/region.c
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@ -2051,6 +2051,10 @@ REGION_bXformRgn(
RECT rect; RECT rect;
BOOL bResult; BOOL bResult;
/* Check for zero rectangles and return TRUE for translation only matrices */
if (prgn->rdh.nCount < 1)
return pmx->flAccel & XFORM_UNITY;
/* Check if this is a scaling only matrix (off-diagonal elements are 0 */ /* Check if this is a scaling only matrix (off-diagonal elements are 0 */
if (pmx->flAccel & XFORM_SCALE) if (pmx->flAccel & XFORM_SCALE)
{ {