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61cdd02d1c
Follow-up to #7074. Fix MaskBlt behaviour. JIRA issue: CORE-13133 - Fix MaskBlt error code. - Fix MaskBlt pattern usage check.
1624 lines
40 KiB
C
1624 lines
40 KiB
C
/*
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* COPYRIGHT: GNU GPL, See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: Bit blit functions
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* FILE: win32ss/gdi/ntgdi/bitblt.c
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* PROGRAMER: Unknown
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*/
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#include <win32k.h>
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#define NDEBUG
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#include <debug.h>
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DBG_DEFAULT_CHANNEL(GdiBlt);
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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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HDC ahDC[2];
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PGDIOBJ apObj[2];
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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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EngSetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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if ((hDCDest == NULL) || (hDCSrc == NULL))
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{
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EngSetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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TRACE("Locking DCs\n");
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ahDC[0] = hDCDest;
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ahDC[1] = hDCSrc ;
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if (!GDIOBJ_bLockMultipleObjects(2, (HGDIOBJ*)ahDC, apObj, GDIObjType_DC_TYPE))
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{
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WARN("Invalid dc handle (dest=0x%p, src=0x%p) passed to NtGdiAlphaBlend\n", hDCDest, hDCSrc);
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EngSetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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DCDest = apObj[0];
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DCSrc = apObj[1];
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if (DCSrc->dctype == DCTYPE_INFO || DCDest->dctype == DCTYPE_INFO)
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{
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GDIOBJ_vUnlockObject(&DCSrc->BaseObject);
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GDIOBJ_vUnlockObject(&DCDest->BaseObject);
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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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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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if (DCDest->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR))
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{
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IntUpdateBoundsRect(DCDest, &DestRect);
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}
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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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GDIOBJ_vUnlockObject(&DCSrc->BaseObject);
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GDIOBJ_vUnlockObject(&DCDest->BaseObject);
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return TRUE;
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}
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/* Prepare DCs for blit */
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TRACE("Preparing DCs for blit\n");
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DC_vPrepareDCsForBlit(DCDest, &DestRect, DCSrc, &SourceRect);
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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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bResult = FALSE ;
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goto leave ;
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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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bResult = FALSE;
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goto leave;
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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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TRACE("Performing the alpha blend\n");
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bResult = IntEngAlphaBlend(&BitmapDest->SurfObj,
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&BitmapSrc->SurfObj,
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(CLIPOBJ *)&DCDest->co,
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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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leave :
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TRACE("Finishing blit\n");
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DC_vFinishBlit(DCDest, DCSrc);
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GDIOBJ_vUnlockObject(&DCSrc->BaseObject);
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GDIOBJ_vUnlockObject(&DCDest->BaseObject);
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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 dwRop,
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IN DWORD crBackColor,
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IN FLONG fl)
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{
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if (dwRop & CAPTUREBLT)
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{
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return NtGdiStretchBlt(hDCDest,
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XDest,
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YDest,
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Width,
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Height,
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hDCSrc,
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XSrc,
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YSrc,
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Width,
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Height,
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dwRop,
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crBackColor);
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}
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dwRop = dwRop & ~(NOMIRRORBITMAP|CAPTUREBLT);
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/* Forward to NtGdiMaskBlt */
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// TODO: What's fl for? LOL not to send this to MaskBit!
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return NtGdiMaskBlt(hDCDest,
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XDest,
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YDest,
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Width,
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Height,
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hDCSrc,
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XSrc,
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YSrc,
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NULL,
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0,
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0,
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MAKEROP4(dwRop, dwRop),
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crBackColor);
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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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HDC ahDC[2];
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PGDIOBJ apObj[2];
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RECTL rcDest, rcSrc;
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SURFACE *BitmapDest, *BitmapSrc = NULL;
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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 ((hdcDst == NULL) || (hdcSrc == NULL))
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{
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EngSetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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TRACE("Locking DCs\n");
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ahDC[0] = hdcDst;
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ahDC[1] = hdcSrc ;
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if (!GDIOBJ_bLockMultipleObjects(2, (HGDIOBJ*)ahDC, apObj, GDIObjType_DC_TYPE))
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{
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WARN("Invalid dc handle (dest=0x%p, src=0x%p) passed to NtGdiAlphaBlend\n", hdcDst, hdcSrc);
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EngSetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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DCDest = apObj[0];
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DCSrc = apObj[1];
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if (DCSrc->dctype == DCTYPE_INFO || DCDest->dctype == DCTYPE_INFO)
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{
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GDIOBJ_vUnlockObject(&DCSrc->BaseObject);
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GDIOBJ_vUnlockObject(&DCDest->BaseObject);
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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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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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if (DCDest->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR))
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{
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IntUpdateBoundsRect(DCDest, &rcDest);
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}
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/* Prepare for blit */
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DC_vPrepareDCsForBlit(DCDest, &rcDest, DCSrc, &rcSrc);
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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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/* Translate Transparent (RGB) Color to the source palette */
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EXLATEOBJ_vInitialize(&exlo, &gpalRGB, BitmapSrc->ppal, 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_vInitXlateFromDCs(&exlo, DCSrc, DCDest);
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Ret = IntEngTransparentBlt(&BitmapDest->SurfObj, &BitmapSrc->SurfObj,
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(CLIPOBJ *)&DCDest->co, &exlo.xlo, &rcDest, &rcSrc,
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TransparentColor, 0);
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EXLATEOBJ_vCleanup(&exlo);
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done:
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DC_vFinishBlit(DCDest, DCSrc);
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GDIOBJ_vUnlockObject(&DCDest->BaseObject);
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GDIOBJ_vUnlockObject(&DCSrc->BaseObject);
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return Ret;
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}
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BOOL APIENTRY
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NtGdiMaskBlt(
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HDC hdcDest,
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INT nXDest,
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INT nYDest,
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INT nWidth,
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INT nHeight,
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HDC hdcSrc,
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INT nXSrc,
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INT nYSrc,
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HBITMAP hbmMask,
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INT xMask,
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INT yMask,
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DWORD dwRop4,
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IN DWORD crBackColor)
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{
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PDC DCDest;
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PDC DCSrc = NULL;
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HDC ahDC[2];
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PGDIOBJ apObj[2];
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PDC_ATTR pdcattr = NULL;
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SURFACE *BitmapDest, *BitmapSrc = NULL, *psurfMask = NULL;
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RECTL DestRect, SourceRect;
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POINTL SourcePoint, MaskPoint;
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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, UsesPattern;
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ROP4 rop4;
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rop4 = WIN32_ROP4_TO_ENG_ROP4(dwRop4);
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if (!hdcDest)
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{
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EngSetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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UsesSource = ROP4_USES_SOURCE(rop4);
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UsesPattern = ROP4_USES_PATTERN(rop4);
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if (!hdcSrc && (UsesSource || UsesPattern))
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return FALSE;
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/* Check if we need a mask and have a mask bitmap */
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if (ROP4_USES_MASK(rop4) && (hbmMask != NULL))
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{
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/* Reference the mask bitmap */
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psurfMask = SURFACE_ShareLockSurface(hbmMask);
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if (psurfMask == NULL)
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{
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EngSetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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/* Make sure the mask bitmap is 1 BPP */
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if (gajBitsPerFormat[psurfMask->SurfObj.iBitmapFormat] != 1)
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{
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SURFACE_ShareUnlockSurface(psurfMask);
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EngSetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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}
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else
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{
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/* We use NULL, if we need a mask, the Eng function will take care of
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that and use the brushobject to get a mask */
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psurfMask = NULL;
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}
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MaskPoint.x = xMask;
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MaskPoint.y = yMask;
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/* Take care of source and destination bitmap */
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TRACE("Locking DCs\n");
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ahDC[0] = hdcDest;
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ahDC[1] = UsesSource ? hdcSrc : NULL;
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if (!GDIOBJ_bLockMultipleObjects(2, (HGDIOBJ*)ahDC, apObj, GDIObjType_DC_TYPE))
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{
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WARN("Invalid dc handle (dest=0x%p, src=0x%p) passed to NtGdiMaskBlt\n", hdcDest, hdcSrc);
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if(psurfMask) SURFACE_ShareUnlockSurface(psurfMask);
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EngSetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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DCDest = apObj[0];
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DCSrc = apObj[1];
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ASSERT(DCDest);
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if (NULL == DCDest)
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{
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if(DCSrc) DC_UnlockDc(DCSrc);
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WARN("Invalid destination dc handle (0x%p) passed to NtGdiMaskBlt\n", hdcDest);
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if(psurfMask) SURFACE_ShareUnlockSurface(psurfMask);
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EngSetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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if (DCDest->dctype == DCTYPE_INFO)
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{
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if(DCSrc) 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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if(psurfMask) SURFACE_ShareUnlockSurface(psurfMask);
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return TRUE;
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}
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if (UsesSource)
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{
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ASSERT(DCSrc);
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if (DCSrc->dctype == DCTYPE_INFO)
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{
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DC_UnlockDc(DCDest);
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DC_UnlockDc(DCSrc);
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/* Yes, Windows really returns TRUE in this case */
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if(psurfMask) SURFACE_ShareUnlockSurface(psurfMask);
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return TRUE;
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}
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}
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pdcattr = DCDest->pdcattr;
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DestRect.left = nXDest;
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DestRect.top = nYDest;
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DestRect.right = nXDest + nWidth;
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DestRect.bottom = nYDest + nHeight;
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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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|
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if (DCDest->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR))
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{
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IntUpdateBoundsRect(DCDest, &DestRect);
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}
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SourcePoint.x = nXSrc;
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SourcePoint.y = nYSrc;
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|
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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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/* Calculate Source Rect */
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SourceRect.left = SourcePoint.x;
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SourceRect.top = SourcePoint.y;
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SourceRect.right = SourcePoint.x + DestRect.right - DestRect.left;
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SourceRect.bottom = SourcePoint.y + DestRect.bottom - DestRect.top ;
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}
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else
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{
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SourceRect.left = 0;
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SourceRect.top = 0;
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SourceRect.right = 0;
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SourceRect.bottom = 0;
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}
|
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|
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/* Prepare blit */
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DC_vPrepareDCsForBlit(DCDest, &DestRect, DCSrc, &SourceRect);
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|
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if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
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DC_vUpdateFillBrush(DCDest);
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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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|
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if (UsesSource)
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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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/* Create the XLATEOBJ. */
|
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EXLATEOBJ_vInitXlateFromDCs(&exlo, DCSrc, DCDest);
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XlateObj = &exlo.xlo;
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}
|
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|
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DPRINT("DestRect: (%d,%d)-(%d,%d) and SourcePoint is (%d,%d)\n",
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DestRect.left, DestRect.top, DestRect.right, DestRect.bottom,
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SourcePoint.x, SourcePoint.y);
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|
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DPRINT("nWidth is '%d' and nHeight is '%d'.\n", nWidth, nHeight);
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|
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/* Fix BitBlt so that it will not flip left to right */
|
|
if ((DestRect.left > DestRect.right) && (nWidth < 0))
|
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{
|
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SourcePoint.x += nWidth;
|
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nWidth = -nWidth;
|
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}
|
|
|
|
/* Fix BitBlt so that it will not flip top to bottom */
|
|
if ((DestRect.top > DestRect.bottom) && (nHeight < 0))
|
|
{
|
|
SourcePoint.y += nHeight;
|
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nHeight = -nHeight;
|
|
}
|
|
|
|
/* Make Well Ordered so that we don't flip either way */
|
|
RECTL_vMakeWellOrdered(&DestRect);
|
|
|
|
/* Perform the bitblt operation */
|
|
Status = IntEngBitBlt(&BitmapDest->SurfObj,
|
|
BitmapSrc ? &BitmapSrc->SurfObj : NULL,
|
|
psurfMask ? &psurfMask->SurfObj : NULL,
|
|
(CLIPOBJ *)&DCDest->co,
|
|
XlateObj,
|
|
&DestRect,
|
|
&SourcePoint,
|
|
&MaskPoint,
|
|
&DCDest->eboFill.BrushObject,
|
|
&DCDest->dclevel.pbrFill->ptOrigin,
|
|
rop4);
|
|
|
|
if (UsesSource)
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
cleanup:
|
|
DC_vFinishBlit(DCDest, DCSrc);
|
|
if (UsesSource)
|
|
{
|
|
DC_UnlockDc(DCSrc);
|
|
}
|
|
DC_UnlockDc(DCDest);
|
|
if(psurfMask) SURFACE_ShareUnlockSurface(psurfMask);
|
|
|
|
if (!Status)
|
|
EngSetLastError(ERROR_INVALID_PARAMETER);
|
|
|
|
return Status;
|
|
}
|
|
|
|
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)
|
|
{
|
|
FIXME("NtGdiPlgBlt: unimplemented.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL
|
|
NTAPI
|
|
GreStretchBltMask(
|
|
HDC hDCDest,
|
|
INT XOriginDest,
|
|
INT YOriginDest,
|
|
INT WidthDest,
|
|
INT HeightDest,
|
|
HDC hDCSrc,
|
|
INT XOriginSrc,
|
|
INT YOriginSrc,
|
|
INT WidthSrc,
|
|
INT HeightSrc,
|
|
DWORD dwRop4,
|
|
IN DWORD dwBackColor,
|
|
HDC hDCMask,
|
|
INT XOriginMask,
|
|
INT YOriginMask)
|
|
{
|
|
PDC DCDest;
|
|
PDC DCSrc = NULL;
|
|
PDC DCMask = NULL;
|
|
HDC ahDC[3];
|
|
PGDIOBJ apObj[3];
|
|
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;
|
|
BOOL UsesMask;
|
|
ROP4 rop4;
|
|
BOOL Case0000, Case0101, Case1010, CaseExcept;
|
|
|
|
rop4 = WIN32_ROP4_TO_ENG_ROP4(dwRop4);
|
|
|
|
UsesSource = ROP4_USES_SOURCE(rop4);
|
|
UsesMask = ROP4_USES_MASK(rop4);
|
|
|
|
if (0 == WidthDest || 0 == HeightDest || 0 == WidthSrc || 0 == HeightSrc)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_PARAMETER);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!hDCDest || (UsesSource && !hDCSrc) || (UsesMask && !hDCMask))
|
|
{
|
|
EngSetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
ahDC[0] = hDCDest;
|
|
ahDC[1] = UsesSource ? hDCSrc : NULL;
|
|
ahDC[2] = UsesMask ? hDCMask : NULL;
|
|
if (!GDIOBJ_bLockMultipleObjects(3, (HGDIOBJ*)ahDC, apObj, GDIObjType_DC_TYPE))
|
|
{
|
|
WARN("Invalid dc handle (dest=0x%p, src=0x%p) passed to GreStretchBltMask\n", hDCDest, hDCSrc);
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
DCDest = apObj[0];
|
|
DCSrc = apObj[1];
|
|
DCMask = apObj[2];
|
|
|
|
if (DCDest->dctype == DCTYPE_INFO)
|
|
{
|
|
if(DCSrc) GDIOBJ_vUnlockObject(&DCSrc->BaseObject);
|
|
if(DCMask) GDIOBJ_vUnlockObject(&DCMask->BaseObject);
|
|
GDIOBJ_vUnlockObject(&DCDest->BaseObject);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
if (UsesSource)
|
|
{
|
|
if (DCSrc->dctype == DCTYPE_INFO)
|
|
{
|
|
GDIOBJ_vUnlockObject(&DCDest->BaseObject);
|
|
GDIOBJ_vUnlockObject(&DCSrc->BaseObject);
|
|
if(DCMask) GDIOBJ_vUnlockObject(&DCMask->BaseObject);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
|
|
Case0000 = ((WidthDest < 0) && (HeightDest < 0) && (WidthSrc < 0) && (HeightSrc < 0));
|
|
Case0101 = ((WidthDest < 0) && (HeightDest > 0) && (WidthSrc < 0) && (HeightSrc > 0));
|
|
Case1010 = ((WidthDest > 0) && (HeightDest < 0) && (WidthSrc > 0) && (HeightSrc < 0));
|
|
CaseExcept = (Case0000 || Case0101 || Case1010);
|
|
|
|
pdcattr = DCDest->pdcattr;
|
|
|
|
DestRect.left = XOriginDest;
|
|
DestRect.top = YOriginDest;
|
|
DestRect.right = XOriginDest+WidthDest;
|
|
DestRect.bottom = YOriginDest+HeightDest;
|
|
|
|
/* Account for possible negative span values */
|
|
if ((WidthDest < 0) && !CaseExcept)
|
|
{
|
|
DestRect.left++;
|
|
DestRect.right++;
|
|
}
|
|
if ((HeightDest < 0) && !CaseExcept)
|
|
{
|
|
DestRect.top++;
|
|
DestRect.bottom++;
|
|
}
|
|
|
|
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;
|
|
|
|
if (DCDest->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR))
|
|
{
|
|
IntUpdateBoundsRect(DCDest, &DestRect);
|
|
}
|
|
|
|
SourceRect.left = XOriginSrc;
|
|
SourceRect.top = YOriginSrc;
|
|
SourceRect.right = XOriginSrc+WidthSrc;
|
|
SourceRect.bottom = YOriginSrc+HeightSrc;
|
|
|
|
/* Account for possible negative span values */
|
|
if ((WidthSrc < 0) && !CaseExcept)
|
|
{
|
|
SourceRect.left++;
|
|
SourceRect.right++;
|
|
}
|
|
if ((HeightSrc < 0) && !CaseExcept)
|
|
{
|
|
SourceRect.top++;
|
|
SourceRect.bottom++;
|
|
}
|
|
|
|
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;
|
|
|
|
/* Only prepare Source and Dest, hdcMask represents a DIB */
|
|
DC_vPrepareDCsForBlit(DCDest, &DestRect, DCSrc, &SourceRect);
|
|
|
|
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(DCDest);
|
|
|
|
/* 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 && DCMask)
|
|
{
|
|
BitmapMask = DCMask->dclevel.pSurface;
|
|
if (BitmapMask &&
|
|
(BitmapMask->SurfObj.sizlBitmap.cx < WidthSrc ||
|
|
BitmapMask->SurfObj.sizlBitmap.cy < HeightSrc))
|
|
{
|
|
WARN("%dx%d mask is smaller than %dx%d bitmap\n",
|
|
BitmapMask->SurfObj.sizlBitmap.cx, BitmapMask->SurfObj.sizlBitmap.cy,
|
|
WidthSrc, HeightSrc);
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
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.y;
|
|
}
|
|
|
|
DPRINT("Calling IntEngStrethBlt SourceRect: (%d,%d)-(%d,%d) and DestRect: (%d,%d)-(%d,%d).\n",
|
|
SourceRect.left, SourceRect.top, SourceRect.right, SourceRect.bottom,
|
|
DestRect.left, DestRect.top, DestRect.right, DestRect.bottom);
|
|
|
|
/* Perform the bitblt operation */
|
|
Status = IntEngStretchBlt(&BitmapDest->SurfObj,
|
|
BitmapSrc ? &BitmapSrc->SurfObj : NULL,
|
|
BitmapMask ? &BitmapMask->SurfObj : NULL,
|
|
(CLIPOBJ *)&DCDest->co,
|
|
XlateObj,
|
|
&DCDest->dclevel.ca,
|
|
&DestRect,
|
|
&SourceRect,
|
|
BitmapMask ? &MaskPoint : NULL,
|
|
&DCDest->eboFill.BrushObject,
|
|
&BrushOrigin,
|
|
rop4);
|
|
if (UsesSource)
|
|
{
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
}
|
|
|
|
failed:
|
|
DC_vFinishBlit(DCDest, DCSrc);
|
|
if (UsesSource)
|
|
{
|
|
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 dwRop3,
|
|
IN DWORD dwBackColor)
|
|
{
|
|
dwRop3 = dwRop3 & ~(NOMIRRORBITMAP|CAPTUREBLT);
|
|
|
|
return GreStretchBltMask(
|
|
hDCDest,
|
|
XOriginDest,
|
|
YOriginDest,
|
|
WidthDest,
|
|
HeightDest,
|
|
hDCSrc,
|
|
XOriginSrc,
|
|
YOriginSrc,
|
|
WidthSrc,
|
|
HeightSrc,
|
|
MAKEROP4(dwRop3 & 0xFF0000, dwRop3),
|
|
dwBackColor,
|
|
NULL,
|
|
0,
|
|
0);
|
|
}
|
|
|
|
|
|
BOOL FASTCALL
|
|
IntPatBlt(
|
|
PDC pdc,
|
|
INT XLeft,
|
|
INT YLeft,
|
|
INT Width,
|
|
INT Height,
|
|
DWORD dwRop3,
|
|
PEBRUSHOBJ pebo)
|
|
{
|
|
RECTL DestRect;
|
|
SURFACE *psurf;
|
|
POINTL BrushOrigin;
|
|
BOOL ret;
|
|
PBRUSH pbrush;
|
|
|
|
ASSERT(pebo);
|
|
pbrush = pebo->pbrush;
|
|
ASSERT(pbrush);
|
|
|
|
if (pbrush->flAttrs & BR_IS_NULL)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if (Width >= 0)
|
|
{
|
|
DestRect.left = XLeft;
|
|
DestRect.right = XLeft + Width;
|
|
}
|
|
else
|
|
{
|
|
DestRect.left = XLeft + Width;
|
|
DestRect.right = XLeft;
|
|
}
|
|
|
|
if (Height >= 0)
|
|
{
|
|
DestRect.top = YLeft;
|
|
DestRect.bottom = YLeft + Height;
|
|
}
|
|
else
|
|
{
|
|
DestRect.top = YLeft + Height;
|
|
DestRect.bottom = YLeft;
|
|
}
|
|
|
|
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;
|
|
|
|
if (pdc->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR))
|
|
{
|
|
IntUpdateBoundsRect(pdc, &DestRect);
|
|
}
|
|
|
|
#ifdef _USE_DIBLIB_
|
|
BrushOrigin.x = pbrush->ptOrigin.x + pdc->ptlDCOrig.x + XLeft;
|
|
BrushOrigin.y = pbrush->ptOrigin.y + pdc->ptlDCOrig.y + YLeft;
|
|
#else
|
|
BrushOrigin.x = pbrush->ptOrigin.x + pdc->ptlDCOrig.x;
|
|
BrushOrigin.y = pbrush->ptOrigin.y + pdc->ptlDCOrig.y;
|
|
#endif
|
|
|
|
DC_vPrepareDCsForBlit(pdc, &DestRect, NULL, NULL);
|
|
|
|
psurf = pdc->dclevel.pSurface;
|
|
|
|
ret = IntEngBitBlt(&psurf->SurfObj,
|
|
NULL,
|
|
NULL,
|
|
(CLIPOBJ *)&pdc->co,
|
|
NULL,
|
|
&DestRect,
|
|
NULL,
|
|
NULL,
|
|
&pebo->BrushObject,
|
|
&BrushOrigin,
|
|
WIN32_ROP3_TO_ENG_ROP4(dwRop3));
|
|
|
|
DC_vFinishBlit(pdc, NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL FASTCALL
|
|
IntGdiPolyPatBlt(
|
|
HDC hDC,
|
|
DWORD dwRop,
|
|
PPATRECT pRects,
|
|
INT cRects,
|
|
ULONG Reserved)
|
|
{
|
|
INT i;
|
|
PBRUSH pbrush;
|
|
PDC pdc;
|
|
EBRUSHOBJ eboFill;
|
|
|
|
pdc = DC_LockDc(hDC);
|
|
if (!pdc)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
if (pdc->dctype == DCTYPE_INFO)
|
|
{
|
|
DC_UnlockDc(pdc);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
for (i = 0; i < cRects; i++)
|
|
{
|
|
pbrush = BRUSH_ShareLockBrush(pRects->hBrush);
|
|
|
|
/* Check if we could lock the brush */
|
|
if (pbrush != NULL)
|
|
{
|
|
/* Initialize a brush object */
|
|
EBRUSHOBJ_vInitFromDC(&eboFill, pbrush, pdc);
|
|
|
|
IntPatBlt(
|
|
pdc,
|
|
pRects->r.left,
|
|
pRects->r.top,
|
|
pRects->r.right,
|
|
pRects->r.bottom,
|
|
dwRop,
|
|
&eboFill);
|
|
|
|
/* Cleanup the brush object and unlock the brush */
|
|
EBRUSHOBJ_vCleanup(&eboFill);
|
|
BRUSH_ShareUnlockBrush(pbrush);
|
|
}
|
|
pRects++;
|
|
}
|
|
|
|
DC_UnlockDc(pdc);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtGdiPatBlt(
|
|
_In_ HDC hdcDest,
|
|
_In_ INT x,
|
|
_In_ INT y,
|
|
_In_ INT cx,
|
|
_In_ INT cy,
|
|
_In_ DWORD dwRop)
|
|
{
|
|
BOOL bResult;
|
|
PDC pdc;
|
|
|
|
/* Convert the ROP3 to a ROP4 */
|
|
dwRop = MAKEROP4(dwRop & 0xFF0000, dwRop);
|
|
|
|
/* Check if the rop uses a source */
|
|
if (WIN32_ROP4_USES_SOURCE(dwRop))
|
|
{
|
|
/* This is not possible */
|
|
return FALSE;
|
|
}
|
|
|
|
/* Lock the DC */
|
|
pdc = DC_LockDc(hdcDest);
|
|
if (pdc == NULL)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Check if the DC has no surface (empty mem or info DC) */
|
|
if (pdc->dclevel.pSurface == NULL)
|
|
{
|
|
/* Nothing to do, Windows returns TRUE! */
|
|
DC_UnlockDc(pdc);
|
|
return TRUE;
|
|
}
|
|
|
|
/* Update the fill brush, if necessary */
|
|
if (pdc->pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(pdc);
|
|
|
|
/* Call the internal function */
|
|
bResult = IntPatBlt(pdc, x, y, cx, cy, dwRop, &pdc->eboFill);
|
|
|
|
/* Unlock the DC and return the result */
|
|
DC_UnlockDc(pdc);
|
|
return bResult;
|
|
}
|
|
|
|
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, GDITAG_PLGBLT_DATA);
|
|
if (!rb)
|
|
{
|
|
EngSetLastError(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, GDITAG_PLGBLT_DATA);
|
|
SetLastNtError(Status);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
Ret = IntGdiPolyPatBlt(hDC, dwRop, rb, cRects, Mode);
|
|
|
|
if (cRects > 0)
|
|
ExFreePoolWithTag(rb, GDITAG_PLGBLT_DATA);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
static
|
|
BOOL
|
|
FASTCALL
|
|
REGION_LPTODP(
|
|
_In_ PDC pdc,
|
|
_Inout_ PREGION prgnDest,
|
|
_In_ PREGION prgnSrc)
|
|
{
|
|
if (IntGdiCombineRgn(prgnDest, prgnSrc, NULL, RGN_COPY) == ERROR)
|
|
return FALSE;
|
|
|
|
return REGION_bXformRgn(prgnDest, DC_pmxWorldToDevice(pdc));
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
IntGdiBitBltRgn(
|
|
_In_ PDC pdc,
|
|
_In_ PREGION prgn,
|
|
_In_opt_ BRUSHOBJ *pbo,
|
|
_In_opt_ POINTL *pptlBrush,
|
|
_In_ ROP4 rop4)
|
|
{
|
|
PREGION prgnClip;
|
|
XCLIPOBJ xcoClip;
|
|
BOOL bResult;
|
|
NT_ASSERT((pdc != NULL) && (prgn != NULL));
|
|
|
|
/* Check if we have a surface */
|
|
if (pdc->dclevel.pSurface == NULL)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
/* Create an empty clip region */
|
|
prgnClip = IntSysCreateRectpRgn(0, 0, 0, 0);
|
|
if (prgnClip == NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
/* Transform given region into device coordinates */
|
|
if (!REGION_LPTODP(pdc, prgnClip, prgn))
|
|
{
|
|
REGION_Delete(prgnClip);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Intersect with the system or RAO region (these are (atm) without DC-origin) */
|
|
if (pdc->prgnRao)
|
|
IntGdiCombineRgn(prgnClip, prgnClip, pdc->prgnRao, RGN_AND);
|
|
else
|
|
IntGdiCombineRgn(prgnClip, prgnClip, pdc->prgnVis, RGN_AND);
|
|
|
|
/* Now account for the DC-origin */
|
|
if (!REGION_bOffsetRgn(prgnClip, pdc->ptlDCOrig.x, pdc->ptlDCOrig.y))
|
|
{
|
|
REGION_Delete(prgnClip);
|
|
return FALSE;
|
|
}
|
|
|
|
if (pdc->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR))
|
|
{
|
|
RECTL rcrgn;
|
|
REGION_GetRgnBox(prgnClip, &rcrgn);
|
|
IntUpdateBoundsRect(pdc, &rcrgn);
|
|
}
|
|
|
|
/* Prepare the DC */
|
|
DC_vPrepareDCsForBlit(pdc, &prgnClip->rdh.rcBound, NULL, NULL);
|
|
|
|
/* Initialize a clip object */
|
|
IntEngInitClipObj(&xcoClip);
|
|
IntEngUpdateClipRegion(&xcoClip,
|
|
prgnClip->rdh.nCount,
|
|
prgnClip->Buffer,
|
|
&prgnClip->rdh.rcBound);
|
|
|
|
/* Call the Eng or Drv function */
|
|
bResult = IntEngBitBlt(&pdc->dclevel.pSurface->SurfObj,
|
|
NULL,
|
|
NULL,
|
|
(CLIPOBJ *)&xcoClip,
|
|
NULL,
|
|
&prgnClip->rdh.rcBound,
|
|
NULL,
|
|
NULL,
|
|
pbo,
|
|
pptlBrush,
|
|
rop4);
|
|
|
|
/* Cleanup */
|
|
DC_vFinishBlit(pdc, NULL);
|
|
REGION_Delete(prgnClip);
|
|
IntEngFreeClipResources(&xcoClip);
|
|
|
|
/* Return the result */
|
|
return bResult;
|
|
}
|
|
|
|
BOOL
|
|
IntGdiFillRgn(
|
|
_In_ PDC pdc,
|
|
_In_ PREGION prgn,
|
|
_In_opt_ PBRUSH pbrFill)
|
|
{
|
|
PREGION prgnClip;
|
|
XCLIPOBJ xcoClip;
|
|
EBRUSHOBJ eboFill;
|
|
BRUSHOBJ *pbo;
|
|
BOOL bRet;
|
|
DWORD rop2Fg;
|
|
MIX mix;
|
|
NT_ASSERT((pdc != NULL) && (prgn != NULL));
|
|
|
|
if (pdc->dclevel.pSurface == NULL)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
prgnClip = IntSysCreateRectpRgn(0, 0, 0, 0);
|
|
if (prgnClip == NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
/* Transform region into device coordinates */
|
|
if (!REGION_LPTODP(pdc, prgnClip, prgn))
|
|
{
|
|
REGION_Delete(prgnClip);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Intersect with the system or RAO region (these are (atm) without DC-origin) */
|
|
if (pdc->prgnRao)
|
|
IntGdiCombineRgn(prgnClip, prgnClip, pdc->prgnRao, RGN_AND);
|
|
else
|
|
IntGdiCombineRgn(prgnClip, prgnClip, pdc->prgnVis, RGN_AND);
|
|
|
|
/* Now account for the DC-origin */
|
|
if (!REGION_bOffsetRgn(prgnClip, pdc->ptlDCOrig.x, pdc->ptlDCOrig.y))
|
|
{
|
|
REGION_Delete(prgnClip);
|
|
return FALSE;
|
|
}
|
|
|
|
if (pdc->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR))
|
|
{
|
|
RECTL rcrgn;
|
|
REGION_GetRgnBox(prgnClip, &rcrgn);
|
|
IntUpdateBoundsRect(pdc, &rcrgn);
|
|
}
|
|
|
|
IntEngInitClipObj(&xcoClip);
|
|
IntEngUpdateClipRegion(&xcoClip,
|
|
prgnClip->rdh.nCount,
|
|
prgnClip->Buffer,
|
|
&prgnClip->rdh.rcBound );
|
|
|
|
/* Get the FG rop and create a MIX based on the BK mode */
|
|
rop2Fg = FIXUP_ROP2(pdc->pdcattr->jROP2);
|
|
mix = rop2Fg | (pdc->pdcattr->jBkMode == OPAQUE ? rop2Fg : R2_NOP) << 8;
|
|
|
|
/* Prepare DC for blit */
|
|
DC_vPrepareDCsForBlit(pdc, &prgnClip->rdh.rcBound, NULL, NULL);
|
|
|
|
/* Check if we have a fill brush */
|
|
if (pbrFill != NULL)
|
|
{
|
|
/* Initialize the brush object */
|
|
/// \todo Check parameters
|
|
EBRUSHOBJ_vInit(&eboFill, pbrFill, pdc->dclevel.pSurface, 0x00FFFFFF, 0, NULL);
|
|
pbo = &eboFill.BrushObject;
|
|
}
|
|
else
|
|
{
|
|
/* Update the fill brush if needed */
|
|
if (pdc->pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(pdc);
|
|
|
|
/* Use the DC brush object */
|
|
pbo = &pdc->eboFill.BrushObject;
|
|
}
|
|
|
|
/* Call the internal function */
|
|
bRet = IntEngPaint(&pdc->dclevel.pSurface->SurfObj,
|
|
(CLIPOBJ *)&xcoClip,
|
|
pbo,
|
|
&pdc->pdcattr->ptlBrushOrigin,
|
|
mix);
|
|
|
|
DC_vFinishBlit(pdc, NULL);
|
|
REGION_Delete(prgnClip);
|
|
IntEngFreeClipResources(&xcoClip);
|
|
|
|
// Fill the region
|
|
return bRet;
|
|
}
|
|
|
|
BOOL
|
|
FASTCALL
|
|
IntGdiPaintRgn(
|
|
_In_ PDC pdc,
|
|
_In_ PREGION prgn)
|
|
{
|
|
return IntGdiFillRgn(pdc, prgn, NULL);
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtGdiFillRgn(
|
|
_In_ HDC hdc,
|
|
_In_ HRGN hrgn,
|
|
_In_ HBRUSH hbrush)
|
|
{
|
|
PDC pdc;
|
|
PREGION prgn;
|
|
PBRUSH pbrFill;
|
|
BOOL bResult;
|
|
|
|
/* Lock the DC */
|
|
pdc = DC_LockDc(hdc);
|
|
if (pdc == NULL)
|
|
{
|
|
ERR("Failed to lock hdc %p\n", hdc);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Check if the DC has no surface (empty mem or info DC) */
|
|
if (pdc->dclevel.pSurface == NULL)
|
|
{
|
|
DC_UnlockDc(pdc);
|
|
return TRUE;
|
|
}
|
|
|
|
/* Lock the region */
|
|
prgn = REGION_LockRgn(hrgn);
|
|
if (prgn == NULL)
|
|
{
|
|
ERR("Failed to lock hrgn %p\n", hrgn);
|
|
DC_UnlockDc(pdc);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Lock the brush */
|
|
pbrFill = BRUSH_ShareLockBrush(hbrush);
|
|
if (pbrFill == NULL)
|
|
{
|
|
ERR("Failed to lock hbrush %p\n", hbrush);
|
|
REGION_UnlockRgn(prgn);
|
|
DC_UnlockDc(pdc);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Call the internal function */
|
|
bResult = IntGdiFillRgn(pdc, prgn, pbrFill);
|
|
|
|
/* Cleanup locks */
|
|
BRUSH_ShareUnlockBrush(pbrFill);
|
|
REGION_UnlockRgn(prgn);
|
|
DC_UnlockDc(pdc);
|
|
|
|
return bResult;
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtGdiFrameRgn(
|
|
_In_ HDC hdc,
|
|
_In_ HRGN hrgn,
|
|
_In_ HBRUSH hbrush,
|
|
_In_ INT xWidth,
|
|
_In_ INT yHeight)
|
|
{
|
|
HRGN hrgnFrame;
|
|
BOOL bResult;
|
|
|
|
hrgnFrame = GreCreateFrameRgn(hrgn, xWidth, yHeight);
|
|
if (hrgnFrame == NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
bResult = NtGdiFillRgn(hdc, hrgnFrame, hbrush);
|
|
|
|
GreDeleteObject(hrgnFrame);
|
|
return bResult;
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtGdiInvertRgn(
|
|
_In_ HDC hdc,
|
|
_In_ HRGN hrgn)
|
|
{
|
|
BOOL bResult;
|
|
PDC pdc;
|
|
PREGION prgn;
|
|
|
|
/* Lock the DC */
|
|
pdc = DC_LockDc(hdc);
|
|
if (pdc == NULL)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Check if the DC has no surface (empty mem or info DC) */
|
|
if (pdc->dclevel.pSurface == NULL)
|
|
{
|
|
/* Nothing to do, Windows returns TRUE! */
|
|
DC_UnlockDc(pdc);
|
|
return TRUE;
|
|
}
|
|
|
|
/* Lock the region */
|
|
prgn = REGION_LockRgn(hrgn);
|
|
if (prgn == NULL)
|
|
{
|
|
DC_UnlockDc(pdc);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Call the internal function */
|
|
bResult = IntGdiBitBltRgn(pdc,
|
|
prgn,
|
|
NULL, // pbo
|
|
NULL, // pptlBrush,
|
|
ROP4_DSTINVERT);
|
|
|
|
/* Unlock the region and DC and return the result */
|
|
REGION_UnlockRgn(prgn);
|
|
DC_UnlockDc(pdc);
|
|
return bResult;
|
|
}
|
|
|
|
COLORREF
|
|
APIENTRY
|
|
NtGdiSetPixel(
|
|
_In_ HDC hdc,
|
|
_In_ INT x,
|
|
_In_ INT y,
|
|
_In_ COLORREF crColor)
|
|
{
|
|
PDC pdc;
|
|
ULONG iOldColor, iSolidColor;
|
|
BOOL bResult;
|
|
PEBRUSHOBJ pebo;
|
|
ULONG ulDirty;
|
|
EXLATEOBJ exlo;
|
|
|
|
/* Lock the DC */
|
|
pdc = DC_LockDc(hdc);
|
|
if (!pdc)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return -1;
|
|
}
|
|
|
|
/* Check if the DC has no surface (empty mem or info DC) */
|
|
if (pdc->dclevel.pSurface == NULL)
|
|
{
|
|
/* Fail! */
|
|
DC_UnlockDc(pdc);
|
|
return -1;
|
|
}
|
|
|
|
if (pdc->fs & (DC_ACCUM_APP|DC_ACCUM_WMGR))
|
|
{
|
|
RECTL rcDst;
|
|
|
|
RECTL_vSetRect(&rcDst, x, y, x+1, y+1);
|
|
|
|
IntLPtoDP(pdc, (LPPOINT)&rcDst, 2);
|
|
|
|
rcDst.left += pdc->ptlDCOrig.x;
|
|
rcDst.top += pdc->ptlDCOrig.y;
|
|
rcDst.right += pdc->ptlDCOrig.x;
|
|
rcDst.bottom += pdc->ptlDCOrig.y;
|
|
|
|
IntUpdateBoundsRect(pdc, &rcDst);
|
|
}
|
|
|
|
/* Translate the color to the target format */
|
|
iSolidColor = TranslateCOLORREF(pdc, crColor);
|
|
|
|
/* Use the DC's text brush, which is always a solid brush */
|
|
pebo = &pdc->eboText;
|
|
|
|
/* Save the old solid color and set the one for the pixel */
|
|
iOldColor = EBRUSHOBJ_iSetSolidColor(pebo, iSolidColor);
|
|
|
|
/* Save dirty flags and reset dirty text brush flag */
|
|
ulDirty = pdc->pdcattr->ulDirty_;
|
|
pdc->pdcattr->ulDirty_ &= ~DIRTY_TEXT;
|
|
|
|
/* Call the internal function */
|
|
bResult = IntPatBlt(pdc, x, y, 1, 1, PATCOPY, pebo);
|
|
|
|
/* Restore old text brush color and dirty flags */
|
|
EBRUSHOBJ_iSetSolidColor(pebo, iOldColor);
|
|
pdc->pdcattr->ulDirty_ = ulDirty;
|
|
|
|
/// FIXME: we shouldn't dereference pSurface while the PDEV is not locked!
|
|
/* Initialize an XLATEOBJ from the target surface to RGB */
|
|
EXLATEOBJ_vInitialize(&exlo,
|
|
pdc->dclevel.pSurface->ppal,
|
|
&gpalRGB,
|
|
0,
|
|
pdc->pdcattr->crBackgroundClr,
|
|
pdc->pdcattr->crForegroundClr);
|
|
|
|
/* Translate the color back to RGB */
|
|
crColor = XLATEOBJ_iXlate(&exlo.xlo, iSolidColor);
|
|
|
|
/* Cleanup and return the target format color */
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
|
|
/* Unlock the DC */
|
|
DC_UnlockDc(pdc);
|
|
|
|
/* Return the new RGB color or -1 on failure */
|
|
return bResult ? crColor : -1;
|
|
}
|
|
|
|
COLORREF
|
|
APIENTRY
|
|
NtGdiGetPixel(
|
|
_In_ HDC hdc,
|
|
_In_ INT x,
|
|
_In_ INT y)
|
|
{
|
|
PDC pdc;
|
|
ULONG ulRGBColor = CLR_INVALID;
|
|
POINTL ptlSrc;
|
|
RECT rcDest;
|
|
PSURFACE psurfSrc, psurfDest;
|
|
|
|
/* Lock the DC */
|
|
pdc = DC_LockDc(hdc);
|
|
if (!pdc)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return CLR_INVALID;
|
|
}
|
|
|
|
/* Check if the DC has no surface (empty mem or info DC) */
|
|
if (pdc->dclevel.pSurface == NULL)
|
|
{
|
|
/* Fail! */
|
|
goto leave;
|
|
}
|
|
|
|
/* Get the logical coordinates */
|
|
ptlSrc.x = x;
|
|
ptlSrc.y = y;
|
|
|
|
/* Translate coordinates to device coordinates */
|
|
IntLPtoDP(pdc, &ptlSrc, 1);
|
|
ptlSrc.x += pdc->ptlDCOrig.x;
|
|
ptlSrc.y += pdc->ptlDCOrig.y;
|
|
|
|
rcDest.left = x;
|
|
rcDest.top = y;
|
|
rcDest.right = x + 1;
|
|
rcDest.bottom = y + 1;
|
|
|
|
/* Prepare DC for blit */
|
|
DC_vPrepareDCsForBlit(pdc, &rcDest, NULL, NULL);
|
|
|
|
/* Check if the pixel is outside the surface */
|
|
psurfSrc = pdc->dclevel.pSurface;
|
|
if ((ptlSrc.x >= psurfSrc->SurfObj.sizlBitmap.cx) ||
|
|
(ptlSrc.y >= psurfSrc->SurfObj.sizlBitmap.cy) ||
|
|
(ptlSrc.x < 0) ||
|
|
(ptlSrc.y < 0))
|
|
{
|
|
/* Fail! */
|
|
goto leave;
|
|
}
|
|
|
|
/* Allocate a surface */
|
|
psurfDest = SURFACE_AllocSurface(STYPE_BITMAP,
|
|
1,
|
|
1,
|
|
BMF_32BPP,
|
|
0,
|
|
0,
|
|
0,
|
|
&ulRGBColor);
|
|
if (psurfDest)
|
|
{
|
|
RECTL rclDest = {0, 0, 1, 1};
|
|
EXLATEOBJ exlo;
|
|
|
|
/* Translate from the source palette to RGB color */
|
|
EXLATEOBJ_vInitialize(&exlo,
|
|
psurfSrc->ppal,
|
|
&gpalRGB,
|
|
0,
|
|
RGB(0xff,0xff,0xff),
|
|
RGB(0,0,0));
|
|
|
|
/* Call the copy bits function */
|
|
EngCopyBits(&psurfDest->SurfObj,
|
|
&psurfSrc->SurfObj,
|
|
NULL,
|
|
&exlo.xlo,
|
|
&rclDest,
|
|
&ptlSrc);
|
|
|
|
/* Cleanup the XLATEOBJ */
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
|
|
/* Delete the surface */
|
|
GDIOBJ_vDeleteObject(&psurfDest->BaseObject);
|
|
|
|
/* The top byte is zero */
|
|
ulRGBColor &= 0x00FFFFFF;
|
|
}
|
|
|
|
leave:
|
|
|
|
/* Unlock the DC */
|
|
DC_vFinishBlit(pdc, NULL);
|
|
DC_UnlockDc(pdc);
|
|
|
|
/* Return the new RGB color or -1 on failure */
|
|
return ulRGBColor;
|
|
}
|
|
|