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https://github.com/reactos/reactos.git
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1116 lines
30 KiB
C
1116 lines
30 KiB
C
/*
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* ReactOS W32 Subsystem
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* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* $Id: bitmaps.c 28300 2007-08-12 15:20:09Z tkreuzer $ */
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#include <win32k.h>
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#define NDEBUG
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#include <debug.h>
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BOOL APIENTRY
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NtGdiAlphaBlend(
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HDC hDCDest,
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LONG XOriginDest,
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LONG YOriginDest,
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LONG WidthDest,
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LONG HeightDest,
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HDC hDCSrc,
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LONG XOriginSrc,
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LONG YOriginSrc,
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LONG WidthSrc,
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LONG HeightSrc,
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BLENDFUNCTION BlendFunc,
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HANDLE hcmXform)
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{
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PDC DCDest;
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PDC DCSrc;
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SURFACE *BitmapDest, *BitmapSrc;
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RECTL DestRect, SourceRect;
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BOOL bResult;
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EXLATEOBJ exlo;
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BLENDOBJ BlendObj;
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BlendObj.BlendFunction = BlendFunc;
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if (WidthDest < 0 || HeightDest < 0 || WidthSrc < 0 || HeightSrc < 0)
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{
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SetLastWin32Error(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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DCDest = DC_LockDc(hDCDest);
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if (NULL == DCDest)
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{
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DPRINT1("Invalid destination dc handle (0x%08x) passed to NtGdiAlphaBlend\n", hDCDest);
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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if (DCDest->dctype == DC_TYPE_INFO)
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{
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DC_UnlockDc(DCDest);
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/* Yes, Windows really returns TRUE in this case */
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return TRUE;
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}
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if (hDCSrc != hDCDest)
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{
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DCSrc = DC_LockDc(hDCSrc);
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if (NULL == DCSrc)
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{
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DC_UnlockDc(DCDest);
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DPRINT1("Invalid source dc handle (0x%08x) passed to NtGdiAlphaBlend\n", hDCSrc);
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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if (DCSrc->dctype == DC_TYPE_INFO)
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{
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DC_UnlockDc(DCSrc);
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DC_UnlockDc(DCDest);
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/* Yes, Windows really returns TRUE in this case */
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return TRUE;
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}
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}
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else
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{
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DCSrc = DCDest;
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}
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DestRect.left = XOriginDest;
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DestRect.top = YOriginDest;
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DestRect.right = XOriginDest + WidthDest;
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DestRect.bottom = YOriginDest + HeightDest;
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IntLPtoDP(DCDest, (LPPOINT)&DestRect, 2);
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DestRect.left += DCDest->ptlDCOrig.x;
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DestRect.top += DCDest->ptlDCOrig.y;
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DestRect.right += DCDest->ptlDCOrig.x;
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DestRect.bottom += DCDest->ptlDCOrig.y;
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SourceRect.left = XOriginSrc;
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SourceRect.top = YOriginSrc;
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SourceRect.right = XOriginSrc + WidthSrc;
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SourceRect.bottom = YOriginSrc + HeightSrc;
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IntLPtoDP(DCSrc, (LPPOINT)&SourceRect, 2);
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SourceRect.left += DCSrc->ptlDCOrig.x;
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SourceRect.top += DCSrc->ptlDCOrig.y;
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SourceRect.right += DCSrc->ptlDCOrig.x;
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SourceRect.bottom += DCSrc->ptlDCOrig.y;
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if (!DestRect.right ||
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!DestRect.bottom ||
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!SourceRect.right ||
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!SourceRect.bottom)
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{
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if (hDCSrc != hDCDest)
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DC_UnlockDc(DCSrc);
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DC_UnlockDc(DCDest);
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return TRUE;
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}
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/* Determine surfaces to be used in the bitblt */
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BitmapDest = DCDest->dclevel.pSurface;
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if (!BitmapDest)
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{
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if (hDCSrc != hDCDest)
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DC_UnlockDc(DCSrc);
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DC_UnlockDc(DCDest);
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return FALSE;
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}
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BitmapSrc = DCSrc->dclevel.pSurface;
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if (!BitmapSrc)
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{
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if (hDCSrc != hDCDest)
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DC_UnlockDc(DCSrc);
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DC_UnlockDc(DCDest);
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return FALSE;
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}
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/* Create the XLATEOBJ. */
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EXLATEOBJ_vInitXlateFromDCs(&exlo, DCSrc, DCDest);
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/* Perform the alpha blend operation */
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bResult = IntEngAlphaBlend(&BitmapDest->SurfObj,
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&BitmapSrc->SurfObj,
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DCDest->rosdc.CombinedClip,
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&exlo.xlo,
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&DestRect,
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&SourceRect,
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&BlendObj);
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EXLATEOBJ_vCleanup(&exlo);
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DC_UnlockDc(DCDest);
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if (hDCSrc != hDCDest)
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DC_UnlockDc(DCSrc);
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return bResult;
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}
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BOOL APIENTRY
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NtGdiBitBlt(
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HDC hDCDest,
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INT XDest,
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INT YDest,
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INT Width,
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INT Height,
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HDC hDCSrc,
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INT XSrc,
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INT YSrc,
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DWORD ROP,
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IN DWORD crBackColor,
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IN FLONG fl)
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{
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PDC DCDest;
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PDC DCSrc = NULL;
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PDC_ATTR pdcattr = NULL;
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SURFACE *BitmapDest, *BitmapSrc = NULL;
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RECTL DestRect;
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POINTL SourcePoint;
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BOOL Status = FALSE;
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EXLATEOBJ exlo;
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XLATEOBJ *XlateObj = NULL;
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BOOL UsesSource = ROP3_USES_SOURCE(ROP);
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DCDest = DC_LockDc(hDCDest);
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if (NULL == DCDest)
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{
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DPRINT("Invalid destination dc handle (0x%08x) passed to NtGdiBitBlt\n", hDCDest);
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return FALSE;
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}
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if (DCDest->dctype == DC_TYPE_INFO)
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{
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DC_UnlockDc(DCDest);
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/* Yes, Windows really returns TRUE in this case */
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return TRUE;
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}
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if (UsesSource)
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{
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if (hDCSrc != hDCDest)
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{
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DCSrc = DC_LockDc(hDCSrc);
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if (NULL == DCSrc)
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{
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DC_UnlockDc(DCDest);
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DPRINT("Invalid source dc handle (0x%08x) passed to NtGdiBitBlt\n", hDCSrc);
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return FALSE;
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}
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if (DCSrc->dctype == DC_TYPE_INFO)
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{
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DC_UnlockDc(DCSrc);
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DC_UnlockDc(DCDest);
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/* Yes, Windows really returns TRUE in this case */
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return TRUE;
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}
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}
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else
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{
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DCSrc = DCDest;
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}
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}
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pdcattr = DCDest->pdcattr;
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if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
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DC_vUpdateFillBrush(DCDest);
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DestRect.left = XDest;
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DestRect.top = YDest;
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DestRect.right = XDest+Width;
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DestRect.bottom = YDest+Height;
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IntLPtoDP(DCDest, (LPPOINT)&DestRect, 2);
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DestRect.left += DCDest->ptlDCOrig.x;
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DestRect.top += DCDest->ptlDCOrig.y;
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DestRect.right += DCDest->ptlDCOrig.x;
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DestRect.bottom += DCDest->ptlDCOrig.y;
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SourcePoint.x = XSrc;
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SourcePoint.y = YSrc;
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if (UsesSource)
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{
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IntLPtoDP(DCSrc, (LPPOINT)&SourcePoint, 1);
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SourcePoint.x += DCSrc->ptlDCOrig.x;
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SourcePoint.y += DCSrc->ptlDCOrig.y;
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}
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/* Determine surfaces to be used in the bitblt */
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BitmapDest = DCDest->dclevel.pSurface;
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if (!BitmapDest)
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goto cleanup;
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if (UsesSource)
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{
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{
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BitmapSrc = DCSrc->dclevel.pSurface;
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if (!BitmapSrc)
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goto cleanup;
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}
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}
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/* Create the XLATEOBJ. */
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if (UsesSource)
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{
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EXLATEOBJ_vInitXlateFromDCs(&exlo, DCSrc, DCDest);
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XlateObj = &exlo.xlo;
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}
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/* Perform the bitblt operation */
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Status = IntEngBitBlt(&BitmapDest->SurfObj,
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BitmapSrc ? &BitmapSrc->SurfObj : NULL,
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NULL,
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DCDest->rosdc.CombinedClip,
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XlateObj,
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&DestRect,
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&SourcePoint,
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NULL,
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&DCDest->eboFill.BrushObject,
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&DCDest->dclevel.pbrFill->ptOrigin,
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ROP3_TO_ROP4(ROP));
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cleanup:
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if (UsesSource)
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EXLATEOBJ_vCleanup(&exlo);
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if (UsesSource && hDCSrc != hDCDest)
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{
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DC_UnlockDc(DCSrc);
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}
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DC_UnlockDc(DCDest);
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return Status;
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}
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BOOL APIENTRY
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NtGdiTransparentBlt(
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HDC hdcDst,
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INT xDst,
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INT yDst,
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INT cxDst,
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INT cyDst,
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HDC hdcSrc,
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INT xSrc,
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INT ySrc,
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INT cxSrc,
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INT cySrc,
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COLORREF TransColor)
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{
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PDC DCDest, DCSrc;
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RECTL rcDest, rcSrc;
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SURFACE *BitmapDest, *BitmapSrc = NULL;
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HPALETTE SourcePalette = 0, DestPalette = 0;
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PPALETTE PalDestGDI, PalSourceGDI;
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ULONG TransparentColor = 0;
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BOOL Ret = FALSE;
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EXLATEOBJ exlo;
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if(!(DCDest = DC_LockDc(hdcDst)))
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{
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DPRINT1("Invalid destination dc handle (0x%08x) passed to NtGdiTransparentBlt\n", hdcDst);
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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if (DCDest->dctype == DC_TYPE_INFO)
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{
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DC_UnlockDc(DCDest);
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/* Yes, Windows really returns TRUE in this case */
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return TRUE;
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}
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if((hdcDst != hdcSrc) && !(DCSrc = DC_LockDc(hdcSrc)))
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{
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DC_UnlockDc(DCDest);
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DPRINT1("Invalid source dc handle (0x%08x) passed to NtGdiTransparentBlt\n", hdcSrc);
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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if(hdcDst == hdcSrc)
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{
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DCSrc = DCDest;
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}
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if (DCSrc->dctype == DC_TYPE_INFO)
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{
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DC_UnlockDc(DCSrc);
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if(hdcDst != hdcSrc)
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{
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DC_UnlockDc(DCDest);
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}
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/* Yes, Windows really returns TRUE in this case */
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return TRUE;
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}
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BitmapDest = DCDest->dclevel.pSurface;
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if (!BitmapDest)
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{
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goto done;
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}
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BitmapSrc = DCSrc->dclevel.pSurface;
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if (!BitmapSrc)
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{
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goto done;
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}
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DestPalette = BitmapDest->hDIBPalette;
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if (!DestPalette) DestPalette = pPrimarySurface->devinfo.hpalDefault;
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SourcePalette = BitmapSrc->hDIBPalette;
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if (!SourcePalette) SourcePalette = pPrimarySurface->devinfo.hpalDefault;
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if(!(PalSourceGDI = PALETTE_LockPalette(SourcePalette)))
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{
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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goto done;
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}
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PALETTE_UnlockPalette(PalSourceGDI);
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if(DestPalette != SourcePalette)
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{
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if (!(PalDestGDI = PALETTE_LockPalette(DestPalette)))
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{
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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goto done;
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}
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PALETTE_UnlockPalette(PalDestGDI);
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}
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else
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{
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PalDestGDI = PalSourceGDI;
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}
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/* Translate Transparent (RGB) Color to the source palette */
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EXLATEOBJ_vInitialize(&exlo, &gpalRGB, PalSourceGDI, 0, 0, 0);
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TransparentColor = XLATEOBJ_iXlate(&exlo.xlo, (ULONG)TransColor);
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EXLATEOBJ_vCleanup(&exlo);
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EXLATEOBJ_vInitialize(&exlo, PalSourceGDI, PalDestGDI, 0, 0, 0);
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rcDest.left = xDst;
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rcDest.top = yDst;
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rcDest.right = rcDest.left + cxDst;
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rcDest.bottom = rcDest.top + cyDst;
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IntLPtoDP(DCDest, (LPPOINT)&rcDest, 2);
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rcDest.left += DCDest->ptlDCOrig.x;
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rcDest.top += DCDest->ptlDCOrig.y;
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rcDest.right += DCDest->ptlDCOrig.x;
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rcDest.bottom += DCDest->ptlDCOrig.y;
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rcSrc.left = xSrc;
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rcSrc.top = ySrc;
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rcSrc.right = rcSrc.left + cxSrc;
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rcSrc.bottom = rcSrc.top + cySrc;
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IntLPtoDP(DCSrc, (LPPOINT)&rcSrc, 2);
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rcSrc.left += DCSrc->ptlDCOrig.x;
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rcSrc.top += DCSrc->ptlDCOrig.y;
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rcSrc.right += DCSrc->ptlDCOrig.x;
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rcSrc.bottom += DCSrc->ptlDCOrig.y;
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Ret = IntEngTransparentBlt(&BitmapDest->SurfObj, &BitmapSrc->SurfObj,
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DCDest->rosdc.CombinedClip, &exlo.xlo, &rcDest, &rcSrc,
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TransparentColor, 0);
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done:
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DC_UnlockDc(DCSrc);
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if(hdcDst != hdcSrc)
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{
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DC_UnlockDc(DCDest);
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}
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EXLATEOBJ_vCleanup(&exlo);
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return Ret;
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}
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/***********************************************************************
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* MaskBlt
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|
* Ported from WINE by sedwards 11-4-03
|
|
*
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* Someone thought it would be faster to do it here and then switch back
|
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* to GDI32. I dunno. Write a test and let me know.
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* A. It should be in here!
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*/
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|
|
static const DWORD ROP3Table[256] =
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{
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|
0x000042, 0x010289, 0x020C89, 0x0300AA, 0x040C88, 0x0500A9, 0x060865, 0x0702C5,
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0x080F08, 0x090245, 0x0A0329, 0x0B0B2A, 0x0C0324, 0x0D0B25, 0x0E08A5, 0x0F0001,
|
|
0x100C85, 0x1100A6, 0x120868, 0x1302C8, 0x140869, 0x1502C9, 0x165CCA, 0x171D54,
|
|
0x180D59, 0x191CC8, 0x1A06C5, 0x1B0768, 0x1C06CA, 0x1D0766, 0x1E01A5, 0x1F0385,
|
|
0x200F09, 0x210248, 0x220326, 0x230B24, 0x240D55, 0x251CC5, 0x2606C8, 0x271868,
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|
0x280369, 0x2916CA, 0x2A0CC9, 0x2B1D58, 0x2C0784, 0x2D060A, 0x2E064A, 0x2F0E2A,
|
|
0x30032A, 0x310B28, 0x320688, 0x330008, 0x3406C4, 0x351864, 0x3601A8, 0x370388,
|
|
0x38078A, 0x390604, 0x3A0644, 0x3B0E24, 0x3C004A, 0x3D18A4, 0x3E1B24, 0x3F00EA,
|
|
0x400F0A, 0x410249, 0x420D5D, 0x431CC4, 0x440328, 0x450B29, 0x4606C6, 0x47076A,
|
|
0x480368, 0x4916C5, 0x4A0789, 0x4B0605, 0x4C0CC8, 0x4D1954, 0x4E0645, 0x4F0E25,
|
|
0x500325, 0x510B26, 0x5206C9, 0x530764, 0x5408A9, 0x550009, 0x5601A9, 0x570389,
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|
0x580785, 0x590609, 0x5A0049, 0x5B18A9, 0x5C0649, 0x5D0E29, 0x5E1B29, 0x5F00E9,
|
|
0x600365, 0x6116C6, 0x620786, 0x630608, 0x640788, 0x650606, 0x660046, 0x6718A8,
|
|
0x6858A6, 0x690145, 0x6A01E9, 0x6B178A, 0x6C01E8, 0x6D1785, 0x6E1E28, 0x6F0C65,
|
|
0x700CC5, 0x711D5C, 0x720648, 0x730E28, 0x740646, 0x750E26, 0x761B28, 0x7700E6,
|
|
0x7801E5, 0x791786, 0x7A1E29, 0x7B0C68, 0x7C1E24, 0x7D0C69, 0x7E0955, 0x7F03C9,
|
|
0x8003E9, 0x810975, 0x820C49, 0x831E04, 0x840C48, 0x851E05, 0x8617A6, 0x8701C5,
|
|
0x8800C6, 0x891B08, 0x8A0E06, 0x8B0666, 0x8C0E08, 0x8D0668, 0x8E1D7C, 0x8F0CE5,
|
|
0x900C45, 0x911E08, 0x9217A9, 0x9301C4, 0x9417AA, 0x9501C9, 0x960169, 0x97588A,
|
|
0x981888, 0x990066, 0x9A0709, 0x9B07A8, 0x9C0704, 0x9D07A6, 0x9E16E6, 0x9F0345,
|
|
0xA000C9, 0xA11B05, 0xA20E09, 0xA30669, 0xA41885, 0xA50065, 0xA60706, 0xA707A5,
|
|
0xA803A9, 0xA90189, 0xAA0029, 0xAB0889, 0xAC0744, 0xAD06E9, 0xAE0B06, 0xAF0229,
|
|
0xB00E05, 0xB10665, 0xB21974, 0xB30CE8, 0xB4070A, 0xB507A9, 0xB616E9, 0xB70348,
|
|
0xB8074A, 0xB906E6, 0xBA0B09, 0xBB0226, 0xBC1CE4, 0xBD0D7D, 0xBE0269, 0xBF08C9,
|
|
0xC000CA, 0xC11B04, 0xC21884, 0xC3006A, 0xC40E04, 0xC50664, 0xC60708, 0xC707AA,
|
|
0xC803A8, 0xC90184, 0xCA0749, 0xCB06E4, 0xCC0020, 0xCD0888, 0xCE0B08, 0xCF0224,
|
|
0xD00E0A, 0xD1066A, 0xD20705, 0xD307A4, 0xD41D78, 0xD50CE9, 0xD616EA, 0xD70349,
|
|
0xD80745, 0xD906E8, 0xDA1CE9, 0xDB0D75, 0xDC0B04, 0xDD0228, 0xDE0268, 0xDF08C8,
|
|
0xE003A5, 0xE10185, 0xE20746, 0xE306EA, 0xE40748, 0xE506E5, 0xE61CE8, 0xE70D79,
|
|
0xE81D74, 0xE95CE6, 0xEA02E9, 0xEB0849, 0xEC02E8, 0xED0848, 0xEE0086, 0xEF0A08,
|
|
0xF00021, 0xF10885, 0xF20B05, 0xF3022A, 0xF40B0A, 0xF50225, 0xF60265, 0xF708C5,
|
|
0xF802E5, 0xF90845, 0xFA0089, 0xFB0A09, 0xFC008A, 0xFD0A0A, 0xFE02A9, 0xFF0062,
|
|
};
|
|
|
|
static __inline BYTE
|
|
SwapROP3_SrcDst(BYTE bRop3)
|
|
{
|
|
return (bRop3 & 0x99) | ((bRop3 & 0x22) << 1) | ((bRop3 & 0x44) >> 1);
|
|
}
|
|
|
|
#define FRGND_ROP3(ROP4) ((ROP4) & 0x00FFFFFF)
|
|
#define BKGND_ROP3(ROP4) (ROP3Table[(SwapROP3_SrcDst((ROP4)>>24)) & 0xFF])
|
|
#define DSTCOPY 0x00AA0029
|
|
#define DSTERASE 0x00220326 /* dest = dest & (~src) : DSna */
|
|
|
|
/* NOTE: An alternative algorithm could use a pattern brush, created from
|
|
* the mask bitmap and then use raster operation 0xCA to combine the fore
|
|
* and background bitmaps. In this case erasing the bits beforehand would be
|
|
* unneccessary. On the other hand the Operation does not provide an optimized
|
|
* version in the DIB code, while SRCAND and SRCPAINT do.
|
|
* A fully correct implementation would call Eng/DrvBitBlt, but our
|
|
* EngBitBlt completely ignores the mask surface.
|
|
*
|
|
* Msk Fg Bk => x
|
|
* P S D DPSDxax
|
|
* ------------------------------------------
|
|
* 0 0 0 0 0000xax = 000ax = 00x = 0
|
|
* 0 0 1 1 1001xax = 101ax = 10x = 1
|
|
* 0 1 0 0 0010xax = 001ax = 00x = 0
|
|
* 0 1 1 1 1011xax = 100ax = 10x = 1
|
|
* 1 0 0 0 0100xax = 010ax = 00x = 0
|
|
* 1 0 1 0 1101xax = 111ax = 11x = 0
|
|
* 1 1 0 1 0110xax = 011ax = 01x = 1
|
|
* 1 1 1 1 1111xax = 110ax = 10x = 1
|
|
*
|
|
* Operation index = 11001010 = 0xCA = PSaDPnao = DPSDxax
|
|
* ^ no, this is not random letters, its reverse Polish notation
|
|
*/
|
|
|
|
BOOL APIENTRY
|
|
NtGdiMaskBlt(
|
|
HDC hdcDest,
|
|
INT nXDest,
|
|
INT nYDest,
|
|
INT nWidth,
|
|
INT nHeight,
|
|
HDC hdcSrc,
|
|
INT nXSrc,
|
|
INT nYSrc,
|
|
HBITMAP hbmMask,
|
|
INT xMask,
|
|
INT yMask,
|
|
DWORD dwRop,
|
|
IN DWORD crBackColor)
|
|
{
|
|
HBITMAP hbmFore, hbmBack;
|
|
HDC hdcMask, hdcFore, hdcBack;
|
|
PDC pdc;
|
|
HBRUSH hbr;
|
|
COLORREF crFore, crBack;
|
|
|
|
if (!hbmMask)
|
|
return NtGdiBitBlt(hdcDest,
|
|
nXDest,
|
|
nYDest,
|
|
nWidth,
|
|
nHeight,
|
|
hdcSrc,
|
|
nXSrc,
|
|
nYSrc,
|
|
FRGND_ROP3(dwRop),
|
|
crBackColor,
|
|
0);
|
|
|
|
/* Lock the dest DC */
|
|
pdc = DC_LockDc(hdcDest);
|
|
if (!pdc) return FALSE;
|
|
|
|
/* Get brush and colors from dest dc */
|
|
hbr = pdc->pdcattr->hbrush;
|
|
crFore = pdc->pdcattr->crForegroundClr;
|
|
crBack = pdc->pdcattr->crBackgroundClr;
|
|
|
|
/* Unlock the DC */
|
|
DC_UnlockDc(pdc);
|
|
|
|
/* 1. Create mask bitmap's dc */
|
|
hdcMask = NtGdiCreateCompatibleDC(hdcDest);
|
|
NtGdiSelectBitmap(hdcMask, hbmMask);
|
|
|
|
/* 2. Create masked Background bitmap */
|
|
|
|
/* 2.1 Create bitmap */
|
|
hdcBack = NtGdiCreateCompatibleDC(hdcDest);
|
|
hbmBack = NtGdiCreateCompatibleBitmap(hdcDest, nWidth, nHeight);
|
|
NtGdiSelectBitmap(hdcBack, hbmBack);
|
|
|
|
/* 2.2 Copy source bitmap */
|
|
NtGdiSelectBrush(hdcBack, hbr);
|
|
IntGdiSetBkColor(hdcBack, crBack);
|
|
IntGdiSetTextColor(hdcBack, crFore);
|
|
NtGdiBitBlt(hdcBack, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, SRCCOPY, 0, 0);
|
|
|
|
/* 2.3 Do the background rop */
|
|
NtGdiBitBlt(hdcBack, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, BKGND_ROP3(dwRop), 0, 0);
|
|
|
|
/* 2.4 Erase the foreground pixels */
|
|
IntGdiSetBkColor(hdcBack, 0xffffffff);
|
|
IntGdiSetTextColor(hdcBack, 0);
|
|
NtGdiBitBlt(hdcBack, 0, 0, nWidth, nHeight, hdcMask, xMask, yMask, SRCAND, 0, 0);
|
|
|
|
/* 3. Create masked Foreground bitmap */
|
|
|
|
/* 3.1 Create bitmap */
|
|
hdcFore = NtGdiCreateCompatibleDC(hdcDest);
|
|
hbmFore = NtGdiCreateCompatibleBitmap(hdcDest, nWidth, nHeight);
|
|
NtGdiSelectBitmap(hdcFore, hbmFore);
|
|
|
|
/* 3.2 Copy the dest bitmap */
|
|
NtGdiSelectBrush(hdcFore, hbr);
|
|
IntGdiSetBkColor(hdcFore, crBack);
|
|
IntGdiSetTextColor(hdcFore, crFore);
|
|
NtGdiBitBlt(hdcFore, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, SRCCOPY, 0, 0);
|
|
|
|
/* 2.3 Do the foreground rop */
|
|
NtGdiBitBlt(hdcFore, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, FRGND_ROP3(dwRop), 0,0);
|
|
|
|
/* 2.4 Erase the background pixels */
|
|
IntGdiSetBkColor(hdcFore, 0);
|
|
IntGdiSetTextColor(hdcFore, 0xffffffff);
|
|
NtGdiBitBlt(hdcFore, 0, 0, nWidth, nHeight, hdcMask, xMask, yMask, SRCAND, 0, 0);
|
|
|
|
/* 3. Combine the fore and background into the background bitmap */
|
|
NtGdiBitBlt(hdcBack, 0, 0, nWidth, nHeight, hdcFore, 0, 0, SRCPAINT, 0, 0);
|
|
|
|
/* 4. Copy the result to hdcDest */
|
|
NtGdiBitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcBack, 0, 0, SRCCOPY, 0, 0);
|
|
|
|
/* 5. delete all temp objects */
|
|
NtGdiDeleteObjectApp(hdcBack);
|
|
NtGdiDeleteObjectApp(hdcFore);
|
|
NtGdiDeleteObjectApp(hdcMask);
|
|
GreDeleteObject(hbmFore);
|
|
GreDeleteObject(hbmBack);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtGdiPlgBlt(
|
|
IN HDC hdcTrg,
|
|
IN LPPOINT pptlTrg,
|
|
IN HDC hdcSrc,
|
|
IN INT xSrc,
|
|
IN INT ySrc,
|
|
IN INT cxSrc,
|
|
IN INT cySrc,
|
|
IN HBITMAP hbmMask,
|
|
IN INT xMask,
|
|
IN INT yMask,
|
|
IN DWORD crBackColor)
|
|
{
|
|
UNIMPLEMENTED;
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
GreStretchBltMask(
|
|
HDC hDCDest,
|
|
INT XOriginDest,
|
|
INT YOriginDest,
|
|
INT WidthDest,
|
|
INT HeightDest,
|
|
HDC hDCSrc,
|
|
INT XOriginSrc,
|
|
INT YOriginSrc,
|
|
INT WidthSrc,
|
|
INT HeightSrc,
|
|
DWORD ROP,
|
|
IN DWORD dwBackColor,
|
|
HDC hDCMask,
|
|
INT XOriginMask,
|
|
INT YOriginMask)
|
|
{
|
|
PDC DCDest;
|
|
PDC DCSrc = NULL;
|
|
PDC DCMask = NULL;
|
|
PDC_ATTR pdcattr;
|
|
SURFACE *BitmapDest, *BitmapSrc = NULL;
|
|
SURFACE *BitmapMask = NULL;
|
|
RECTL DestRect;
|
|
RECTL SourceRect;
|
|
POINTL MaskPoint;
|
|
BOOL Status = FALSE;
|
|
EXLATEOBJ exlo;
|
|
XLATEOBJ *XlateObj = NULL;
|
|
POINTL BrushOrigin;
|
|
BOOL UsesSource = ROP3_USES_SOURCE(ROP);
|
|
|
|
if (0 == WidthDest || 0 == HeightDest || 0 == WidthSrc || 0 == HeightSrc)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
DCDest = DC_LockDc(hDCDest);
|
|
if (NULL == DCDest)
|
|
{
|
|
DPRINT1("Invalid destination dc handle (0x%08x) passed to NtGdiStretchBlt\n", hDCDest);
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
if (DCDest->dctype == DC_TYPE_INFO)
|
|
{
|
|
DC_UnlockDc(DCDest);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
if (UsesSource)
|
|
{
|
|
if (hDCSrc != hDCDest)
|
|
{
|
|
DCSrc = DC_LockDc(hDCSrc);
|
|
if (NULL == DCSrc)
|
|
{
|
|
DC_UnlockDc(DCDest);
|
|
DPRINT1("Invalid source dc handle (0x%08x) passed to NtGdiStretchBlt\n", hDCSrc);
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
if (DCSrc->dctype == DC_TYPE_INFO)
|
|
{
|
|
DC_UnlockDc(DCSrc);
|
|
DC_UnlockDc(DCDest);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DCSrc = DCDest;
|
|
}
|
|
}
|
|
|
|
pdcattr = DCDest->pdcattr;
|
|
|
|
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(DCDest);
|
|
|
|
DestRect.left = XOriginDest;
|
|
DestRect.top = YOriginDest;
|
|
DestRect.right = XOriginDest+WidthDest;
|
|
DestRect.bottom = YOriginDest+HeightDest;
|
|
IntLPtoDP(DCDest, (LPPOINT)&DestRect, 2);
|
|
|
|
DestRect.left += DCDest->ptlDCOrig.x;
|
|
DestRect.top += DCDest->ptlDCOrig.y;
|
|
DestRect.right += DCDest->ptlDCOrig.x;
|
|
DestRect.bottom += DCDest->ptlDCOrig.y;
|
|
|
|
SourceRect.left = XOriginSrc;
|
|
SourceRect.top = YOriginSrc;
|
|
SourceRect.right = XOriginSrc+WidthSrc;
|
|
SourceRect.bottom = YOriginSrc+HeightSrc;
|
|
|
|
if (UsesSource)
|
|
{
|
|
IntLPtoDP(DCSrc, (LPPOINT)&SourceRect, 2);
|
|
|
|
SourceRect.left += DCSrc->ptlDCOrig.x;
|
|
SourceRect.top += DCSrc->ptlDCOrig.y;
|
|
SourceRect.right += DCSrc->ptlDCOrig.x;
|
|
SourceRect.bottom += DCSrc->ptlDCOrig.y;
|
|
}
|
|
|
|
BrushOrigin.x = 0;
|
|
BrushOrigin.y = 0;
|
|
|
|
/* Determine surfaces to be used in the bitblt */
|
|
BitmapDest = DCDest->dclevel.pSurface;
|
|
if (BitmapDest == NULL)
|
|
goto failed;
|
|
if (UsesSource)
|
|
{
|
|
BitmapSrc = DCSrc->dclevel.pSurface;
|
|
if (BitmapSrc == NULL)
|
|
goto failed;
|
|
|
|
/* Create the XLATEOBJ. */
|
|
EXLATEOBJ_vInitXlateFromDCs(&exlo, DCSrc, DCDest);
|
|
XlateObj = &exlo.xlo;
|
|
}
|
|
|
|
/* Offset the brush */
|
|
BrushOrigin.x += DCDest->ptlDCOrig.x;
|
|
BrushOrigin.y += DCDest->ptlDCOrig.y;
|
|
|
|
/* Make mask surface for source surface */
|
|
if (BitmapSrc && hDCMask)
|
|
{
|
|
DCMask = DC_LockDc(hDCMask);
|
|
if (DCMask)
|
|
{
|
|
BitmapMask = DCMask->dclevel.pSurface;
|
|
if (BitmapMask &&
|
|
(BitmapMask->SurfObj.sizlBitmap.cx < WidthSrc ||
|
|
BitmapMask->SurfObj.sizlBitmap.cy < HeightSrc))
|
|
{
|
|
DPRINT1("%dx%d mask is smaller than %dx%d bitmap\n",
|
|
BitmapMask->SurfObj.sizlBitmap.cx, BitmapMask->SurfObj.sizlBitmap.cy,
|
|
WidthSrc, HeightSrc);
|
|
goto failed;
|
|
}
|
|
/* Create mask offset point */
|
|
MaskPoint.x = XOriginMask;
|
|
MaskPoint.y = YOriginMask;
|
|
IntLPtoDP(DCMask, &MaskPoint, 1);
|
|
MaskPoint.x += DCMask->ptlDCOrig.x;
|
|
MaskPoint.y += DCMask->ptlDCOrig.x;
|
|
}
|
|
}
|
|
|
|
/* Perform the bitblt operation */
|
|
Status = IntEngStretchBlt(&BitmapDest->SurfObj,
|
|
&BitmapSrc->SurfObj,
|
|
BitmapMask ? &BitmapMask->SurfObj : NULL,
|
|
DCDest->rosdc.CombinedClip,
|
|
XlateObj,
|
|
&DestRect,
|
|
&SourceRect,
|
|
BitmapMask ? &MaskPoint : NULL,
|
|
&DCDest->eboFill.BrushObject,
|
|
&BrushOrigin,
|
|
ROP3_TO_ROP4(ROP));
|
|
|
|
failed:
|
|
if (UsesSource)
|
|
{
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
}
|
|
if (UsesSource && hDCSrc != hDCDest)
|
|
{
|
|
DC_UnlockDc(DCSrc);
|
|
}
|
|
if (DCMask)
|
|
{
|
|
DC_UnlockDc(DCMask);
|
|
}
|
|
DC_UnlockDc(DCDest);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
BOOL APIENTRY
|
|
NtGdiStretchBlt(
|
|
HDC hDCDest,
|
|
INT XOriginDest,
|
|
INT YOriginDest,
|
|
INT WidthDest,
|
|
INT HeightDest,
|
|
HDC hDCSrc,
|
|
INT XOriginSrc,
|
|
INT YOriginSrc,
|
|
INT WidthSrc,
|
|
INT HeightSrc,
|
|
DWORD ROP,
|
|
IN DWORD dwBackColor)
|
|
{
|
|
return GreStretchBltMask(
|
|
hDCDest,
|
|
XOriginDest,
|
|
YOriginDest,
|
|
WidthDest,
|
|
HeightDest,
|
|
hDCSrc,
|
|
XOriginSrc,
|
|
YOriginSrc,
|
|
WidthSrc,
|
|
HeightSrc,
|
|
ROP,
|
|
dwBackColor,
|
|
NULL,
|
|
0,
|
|
0);
|
|
}
|
|
|
|
|
|
BOOL FASTCALL
|
|
IntPatBlt(
|
|
PDC pdc,
|
|
INT XLeft,
|
|
INT YLeft,
|
|
INT Width,
|
|
INT Height,
|
|
DWORD dwRop,
|
|
PBRUSH pbrush)
|
|
{
|
|
RECTL DestRect;
|
|
SURFACE *psurf;
|
|
EBRUSHOBJ eboFill;
|
|
POINTL BrushOrigin;
|
|
BOOL ret;
|
|
|
|
ASSERT(pbrush);
|
|
|
|
psurf = pdc->dclevel.pSurface;
|
|
if (psurf == NULL)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
if (pbrush->flAttrs & GDIBRUSH_IS_NULL)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if (Width > 0)
|
|
{
|
|
DestRect.left = XLeft;
|
|
DestRect.right = XLeft + Width;
|
|
}
|
|
else
|
|
{
|
|
DestRect.left = XLeft + Width + 1;
|
|
DestRect.right = XLeft + 1;
|
|
}
|
|
|
|
if (Height > 0)
|
|
{
|
|
DestRect.top = YLeft;
|
|
DestRect.bottom = YLeft + Height;
|
|
}
|
|
else
|
|
{
|
|
DestRect.top = YLeft + Height + 1;
|
|
DestRect.bottom = YLeft + 1;
|
|
}
|
|
|
|
IntLPtoDP(pdc, (LPPOINT)&DestRect, 2);
|
|
|
|
DestRect.left += pdc->ptlDCOrig.x;
|
|
DestRect.top += pdc->ptlDCOrig.y;
|
|
DestRect.right += pdc->ptlDCOrig.x;
|
|
DestRect.bottom += pdc->ptlDCOrig.y;
|
|
|
|
BrushOrigin.x = pbrush->ptOrigin.x + pdc->ptlDCOrig.x;
|
|
BrushOrigin.y = pbrush->ptOrigin.y + pdc->ptlDCOrig.y;
|
|
|
|
EBRUSHOBJ_vInit(&eboFill, pbrush, pdc);
|
|
|
|
ret = IntEngBitBlt(
|
|
&psurf->SurfObj,
|
|
NULL,
|
|
NULL,
|
|
pdc->rosdc.CombinedClip,
|
|
NULL,
|
|
&DestRect,
|
|
NULL,
|
|
NULL,
|
|
&eboFill.BrushObject, // use pDC->eboFill
|
|
&BrushOrigin,
|
|
ROP3_TO_ROP4(dwRop));
|
|
|
|
EBRUSHOBJ_vCleanup(&eboFill);
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL FASTCALL
|
|
IntGdiPolyPatBlt(
|
|
HDC hDC,
|
|
DWORD dwRop,
|
|
PPATRECT pRects,
|
|
INT cRects,
|
|
ULONG Reserved)
|
|
{
|
|
INT i;
|
|
PBRUSH pbrush;
|
|
PDC pdc;
|
|
|
|
pdc = DC_LockDc(hDC);
|
|
if (!pdc)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
if (pdc->dctype == DC_TYPE_INFO)
|
|
{
|
|
DC_UnlockDc(pdc);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
for (i = 0; i < cRects; i++)
|
|
{
|
|
pbrush = BRUSH_LockBrush(pRects->hBrush);
|
|
if(pbrush != NULL)
|
|
{
|
|
IntPatBlt(
|
|
pdc,
|
|
pRects->r.left,
|
|
pRects->r.top,
|
|
pRects->r.right,
|
|
pRects->r.bottom,
|
|
dwRop,
|
|
pbrush);
|
|
BRUSH_UnlockBrush(pbrush);
|
|
}
|
|
pRects++;
|
|
}
|
|
|
|
DC_UnlockDc(pdc);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
BOOL APIENTRY
|
|
NtGdiPatBlt(
|
|
HDC hDC,
|
|
INT XLeft,
|
|
INT YLeft,
|
|
INT Width,
|
|
INT Height,
|
|
DWORD ROP)
|
|
{
|
|
PBRUSH pbrush;
|
|
DC *dc;
|
|
PDC_ATTR pdcattr;
|
|
BOOL ret;
|
|
|
|
BOOL UsesSource = ROP3_USES_SOURCE(ROP);
|
|
if (UsesSource)
|
|
{
|
|
/* in this case we call on GdiMaskBlt */
|
|
return NtGdiMaskBlt(hDC, XLeft, YLeft, Width, Height, 0,0,0,0,0,0,ROP,0);
|
|
}
|
|
|
|
dc = DC_LockDc(hDC);
|
|
if (dc == NULL)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
if (dc->dctype == DC_TYPE_INFO)
|
|
{
|
|
DC_UnlockDc(dc);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
pdcattr = dc->pdcattr;
|
|
|
|
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(dc);
|
|
|
|
pbrush = BRUSH_LockBrush(pdcattr->hbrush);
|
|
if (pbrush == NULL)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
DC_UnlockDc(dc);
|
|
return FALSE;
|
|
}
|
|
|
|
ret = IntPatBlt(dc, XLeft, YLeft, Width, Height, ROP, pbrush);
|
|
|
|
BRUSH_UnlockBrush(pbrush);
|
|
DC_UnlockDc(dc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
NtGdiPolyPatBlt(
|
|
HDC hDC,
|
|
DWORD dwRop,
|
|
IN PPOLYPATBLT pRects,
|
|
IN DWORD cRects,
|
|
IN DWORD Mode)
|
|
{
|
|
PPATRECT rb = NULL;
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
BOOL Ret;
|
|
|
|
if (cRects > 0)
|
|
{
|
|
rb = ExAllocatePoolWithTag(PagedPool, sizeof(PATRECT) * cRects, TAG_PATBLT);
|
|
if (!rb)
|
|
{
|
|
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
|
|
return FALSE;
|
|
}
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(pRects,
|
|
cRects * sizeof(PATRECT),
|
|
1);
|
|
RtlCopyMemory(rb,
|
|
pRects,
|
|
cRects * sizeof(PATRECT));
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END;
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
ExFreePoolWithTag(rb, TAG_PATBLT);
|
|
SetLastNtError(Status);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
Ret = IntGdiPolyPatBlt(hDC, dwRop, rb, cRects, Mode);
|
|
|
|
if (cRects > 0)
|
|
ExFreePoolWithTag(rb, TAG_PATBLT);
|
|
|
|
return Ret;
|
|
}
|