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- Fixed ExcludeClipRgn for case when DC contained no clipping region before the call to this function.

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svn path=/trunk/; revision=10014
This commit is contained in:
Filip Navara 2004-07-07 16:34:33 +00:00
parent bf1db388a0
commit bce67c86c4
1 changed files with 11 additions and 7 deletions
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18
reactos/subsys/win32k/objects/cliprgn.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: cliprgn.c,v 1.40 2004/05/26 18:49:06 weiden Exp $ */
/* $Id: cliprgn.c,v 1.41 2004/07/07 16:34:33 navaraf Exp $ */
#include <w32k.h>
int FASTCALL
@ -251,14 +251,18 @@ int STDCALL NtGdiExcludeClipRect(HDC hDC,
{
Result = ERROR;
}
else if (!dc->w.hClipRgn)
{
dc->w.hClipRgn = NewRgn;
Result = SIMPLEREGION;
}
else
{
Result = NtGdiCombineRgn(dc->w.hClipRgn, dc->w.hClipRgn, NewRgn, RGN_DIFF);
if (!dc->w.hClipRgn)
{
dc->w.hClipRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
NtGdiCombineRgn(dc->w.hClipRgn, dc->w.hVisRgn, NewRgn, RGN_DIFF);
Result = SIMPLEREGION;
}
else
{
Result = NtGdiCombineRgn(dc->w.hClipRgn, dc->w.hClipRgn, NewRgn, RGN_DIFF);
}
NtGdiDeleteObject(NewRgn);
}
if (Result != ERROR)