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NtGdiPolygon simplification

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svn path=/trunk/; revision=8528
This commit is contained in:
Royce Mitchell III
2004-03-04 01:50:26 +00:00
parent cdd8158e28
commit 856035ab09
1 changed files with 23 additions and 35 deletions
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reactos/subsys/win32k/objects/fillshap.c
+23 -35
View File
@@ -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: fillshap.c,v 1.43 2004/03/03 06:33:58 royce Exp $ */
/* $Id: fillshap.c,v 1.44 2004/03/04 01:50:26 royce Exp $ */
#undef WIN32_LEAN_AND_MEAN
#include <windows.h>
@@ -830,7 +830,6 @@ extern BOOL FillPolygon(PDC dc,
#endif
//This implementation is blatantly ripped off from NtGdiRectangle
BOOL
STDCALL
NtGdiPolygon(HDC hDC,
@@ -840,45 +839,34 @@ NtGdiPolygon(HDC hDC,
DC *dc;
LPPOINT Safept;
NTSTATUS Status;
BOOL Ret;
BOOL Ret = FALSE;
dc = DC_LockDc(hDC);
if(!dc)
if ( Count < 2 )
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
if(Count >= 2)
{
Safept = ExAllocatePoolWithTag(NonPagedPool, sizeof(POINT) * Count, TAG_SHAPE);
if(!Safept)
{
DC_UnlockDc(hDC);
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
Status = MmCopyFromCaller(Safept, UnsafePoints, sizeof(POINT) * Count);
if(!NT_SUCCESS(Status))
{
ExFreePool(Safept);
DC_UnlockDc(hDC);
SetLastNtError(Status);
return FALSE;
}
}
else
{
DC_UnlockDc(hDC);
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return FALSE;
}
Ret = IntGdiPolygon(dc, Safept, Count);
ExFreePool(Safept);
DC_UnlockDc(hDC);
dc = DC_LockDc(hDC);
if(!dc)
SetLastWin32Error(ERROR_INVALID_HANDLE);
else
{
Safept = ExAllocatePoolWithTag(NonPagedPool, sizeof(POINT) * Count, TAG_SHAPE);
if(!Safept)
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
else
{
Status = MmCopyFromCaller(Safept, UnsafePoints, sizeof(POINT) * Count);
if(!NT_SUCCESS(Status))
SetLastNtError(Status);
else
Ret = IntGdiPolygon(dc, Safept, Count);
ExFreePool(Safept);
}
DC_UnlockDc(hDC);
}
return Ret;
}