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fixed locking bug, eliminated warnings

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svn path=/trunk/; revision=5464
This commit is contained in:
Royce Mitchell III 2003-08-07 16:18:02 +00:00
parent bda3572a3d
commit ee25eea496
1 changed files with 26 additions and 16 deletions
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42
reactos/subsys/win32k/objects/bitmaps.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: bitmaps.c,v 1.30 2003/06/28 08:39:18 gvg Exp $ */
/* $Id: bitmaps.c,v 1.31 2003/08/07 16:18:02 royce Exp $ */
#undef WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdlib.h>
@ -40,20 +40,33 @@ BOOL STDCALL W32kBitBlt(HDC hDCDest,
INT YSrc,
DWORD ROP)
{
PDC DCDest = DC_HandleToPtr(hDCDest);
PDC DCSrc = DC_HandleToPtr(hDCSrc);
GDIMULTILOCK Lock[2] = {{hDCDest, 0, GO_DC_MAGIC}, {hDCSrc, 0, GO_DC_MAGIC}};
PDC DCDest = NULL;
PDC DCSrc = NULL;
PSURFOBJ SurfDest, SurfSrc;
PSURFGDI SurfGDIDest, SurfGDISrc;
RECTL DestRect;
POINTL SourcePoint;
PBITMAPOBJ DestBitmapObj;
PBITMAPOBJ SrcBitmapObj;
//PBITMAPOBJ DestBitmapObj;
//PBITMAPOBJ SrcBitmapObj;
BOOL Status, SurfDestAlloc, SurfSrcAlloc, XlateAlloc;
PPALOBJ DCLogPal;
PPALGDI PalDestGDI, PalSourceGDI;
PXLATEOBJ XlateObj = NULL;
HPALETTE SourcePalette, DestPalette;
if ( !GDIOBJ_LockMultipleObj(Lock, sizeof(Lock)/sizeof(Lock[0])) )
{
DPRINT1("GDIOBJ_LockMultipleObj() failed\n" );
return STATUS_INVALID_PARAMETER;
}
DCDest = Lock[0].pObj;
DCSrc = Lock[1].pObj;
if ( !DCDest || !DCSrc )
return STATUS_INVALID_PARAMETER;
/* Offset the destination and source by the origin of their DCs. */
XDest += DCDest->w.DCOrgX;
YDest += DCDest->w.DCOrgY;
@ -73,14 +86,14 @@ BOOL STDCALL W32kBitBlt(HDC hDCDest,
XlateAlloc = FALSE;
// Determine surfaces to be used in the bitblt
SurfDest = (PSURFOBJ)AccessUserObject(DCDest->Surface);
SurfSrc = (PSURFOBJ)AccessUserObject(DCSrc->Surface);
SurfDest = (PSURFOBJ)AccessUserObject((ULONG)DCDest->Surface);
SurfSrc = (PSURFOBJ)AccessUserObject((ULONG)DCSrc->Surface);
SurfGDIDest = (PSURFGDI)AccessInternalObjectFromUserObject(SurfDest);
SurfGDISrc = (PSURFGDI)AccessInternalObjectFromUserObject(SurfSrc);
// Retrieve the logical palette of the destination DC
DCLogPal = (PPALOBJ)AccessUserObject(DCDest->w.hPalette);
DCLogPal = (PPALOBJ)AccessUserObject((ULONG)DCDest->w.hPalette);
if(DCLogPal)
if(DCLogPal->logicalToSystem)
@ -90,19 +103,17 @@ BOOL STDCALL W32kBitBlt(HDC hDCDest,
if((BitsPerFormat(SurfDest->iBitmapFormat) != BitsPerFormat(SurfSrc->iBitmapFormat)) && (XlateObj == NULL))
{
if(DCDest->w.hPalette != 0)
{
DestPalette = DCDest->w.hPalette;
} else
else
DestPalette = W32kGetStockObject(DEFAULT_PALETTE);
if(DCSrc->w.hPalette != 0)
{
SourcePalette = DCSrc->w.hPalette;
} else
else
SourcePalette = W32kGetStockObject(DEFAULT_PALETTE);
PalDestGDI = (PPALGDI)AccessInternalObject(DestPalette);
PalSourceGDI = (PPALGDI)AccessInternalObject(SourcePalette);
PalDestGDI = (PPALGDI)AccessInternalObject((ULONG)DestPalette);
PalSourceGDI = (PPALGDI)AccessInternalObject((ULONG)SourcePalette);
XlateObj = (PXLATEOBJ)IntEngCreateXlate(PalDestGDI->Mode, PalSourceGDI->Mode, DestPalette, SourcePalette);
XlateAlloc = TRUE;
@ -116,8 +127,7 @@ BOOL STDCALL W32kBitBlt(HDC hDCDest,
if (SurfDestAlloc) ExFreePool(SurfDest);
if (SurfSrcAlloc) ExFreePool(SurfSrc);
DC_ReleasePtr(hDCDest);
DC_ReleasePtr(hDCSrc);
GDIOBJ_UnlockMultipleObj(Lock, sizeof(Lock)/sizeof(Lock[0]));
return Status;
}