302 lines
9.9 KiB
C
302 lines
9.9 KiB
C
/*
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* Enhanced MetaFile driver BitBlt functions
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*
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* Copyright 2002 Huw D M Davies for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "enhmetafiledrv.h"
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#include "wine/debug.h"
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BOOL EMFDRV_PatBlt( PHYSDEV dev, INT left, INT top,
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INT width, INT height, DWORD rop )
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{
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EMRBITBLT emr;
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BOOL ret;
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emr.emr.iType = EMR_BITBLT;
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emr.emr.nSize = sizeof(emr);
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emr.rclBounds.left = left;
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emr.rclBounds.top = top;
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emr.rclBounds.right = left + width - 1;
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emr.rclBounds.bottom = top + height - 1;
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emr.xDest = left;
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emr.yDest = top;
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emr.cxDest = width;
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emr.cyDest = height;
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emr.dwRop = rop;
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emr.xSrc = 0;
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emr.ySrc = 0;
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emr.xformSrc.eM11 = 1.0;
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emr.xformSrc.eM12 = 0.0;
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emr.xformSrc.eM21 = 0.0;
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emr.xformSrc.eM22 = 1.0;
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emr.xformSrc.eDx = 0.0;
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emr.xformSrc.eDy = 0.0;
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emr.crBkColorSrc = 0;
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emr.iUsageSrc = 0;
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emr.offBmiSrc = 0;
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emr.cbBmiSrc = 0;
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emr.offBitsSrc = 0;
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emr.cbBitsSrc = 0;
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ret = EMFDRV_WriteRecord( dev, &emr.emr );
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if(ret)
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EMFDRV_UpdateBBox( dev, &emr.rclBounds );
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return ret;
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}
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/* Utilitarian function used by EMFDRV_BitBlt and EMFDRV_StretchBlt */
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static BOOL EMFDRV_BitBlockTransfer(
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PHYSDEV devDst, INT xDst, INT yDst, INT widthDst, INT heightDst,
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PHYSDEV devSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, DWORD rop,
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DWORD emrType)
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{
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BOOL ret;
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PEMRBITBLT pEMR;
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UINT emrSize;
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UINT bmiSize;
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UINT bitsSize;
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UINT size;
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BITMAP BM;
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WORD nBPP;
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LPBITMAPINFOHEADER lpBmiH;
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EMFDRV_PDEVICE* physDevSrc = (EMFDRV_PDEVICE*)devSrc;
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HBITMAP hBitmap = GetCurrentObject(physDevSrc->hdc, OBJ_BITMAP);
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if (emrType == EMR_BITBLT)
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emrSize = sizeof(EMRBITBLT);
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else if (emrType == EMR_STRETCHBLT)
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emrSize = sizeof(EMRSTRETCHBLT);
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else
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return FALSE;
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if(sizeof(BITMAP) != GetObjectW(hBitmap, sizeof(BITMAP), &BM))
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return FALSE;
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nBPP = BM.bmPlanes * BM.bmBitsPixel;
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if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
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bitsSize = DIB_GetDIBWidthBytes(BM.bmWidth, nBPP) * BM.bmHeight;
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bmiSize = sizeof(BITMAPINFOHEADER) +
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(nBPP <= 8 ? 1 << nBPP : 0) * sizeof(RGBQUAD);
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size = emrSize + bmiSize + bitsSize;
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pEMR = HeapAlloc(GetProcessHeap(), 0, size);
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if (!pEMR) return FALSE;
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/* Initialize EMR */
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pEMR->emr.iType = emrType;
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pEMR->emr.nSize = size;
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pEMR->rclBounds.left = xDst;
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pEMR->rclBounds.top = yDst;
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pEMR->rclBounds.right = xDst + widthDst - 1;
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pEMR->rclBounds.bottom = yDst + heightDst - 1;
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pEMR->xDest = xDst;
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pEMR->yDest = yDst;
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pEMR->cxDest = widthDst;
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pEMR->cyDest = heightDst;
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pEMR->dwRop = rop;
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pEMR->xSrc = xSrc;
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pEMR->ySrc = ySrc;
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pEMR->xformSrc.eM11 = 1.0; /** FIXME: */
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pEMR->xformSrc.eM12 = 0.0; /** Setting default */
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pEMR->xformSrc.eM21 = 0.0; /** value. */
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pEMR->xformSrc.eM22 = 1.0; /** Where should we */
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pEMR->xformSrc.eDx = 0.0; /** get that info */
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pEMR->xformSrc.eDy = 0.0; /** ???? */
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pEMR->crBkColorSrc = GetBkColor(physDevSrc->hdc);
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pEMR->iUsageSrc = DIB_RGB_COLORS;
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pEMR->offBmiSrc = emrSize;
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pEMR->cbBmiSrc = bmiSize;
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pEMR->offBitsSrc = emrSize + bmiSize;
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pEMR->cbBitsSrc = bitsSize;
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if (emrType == EMR_STRETCHBLT)
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{
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PEMRSTRETCHBLT pEMRStretch = (PEMRSTRETCHBLT)pEMR;
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pEMRStretch->cxSrc = widthSrc;
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pEMRStretch->cySrc = heightSrc;
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}
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/* Initialize BITMAPINFO structure */
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lpBmiH = (LPBITMAPINFOHEADER)((BYTE*)pEMR + pEMR->offBmiSrc);
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lpBmiH->biSize = sizeof(BITMAPINFOHEADER);
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lpBmiH->biWidth = BM.bmWidth;
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lpBmiH->biHeight = BM.bmHeight;
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lpBmiH->biPlanes = BM.bmPlanes;
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lpBmiH->biBitCount = nBPP;
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/* Assume the bitmap isn't compressed and set the BI_RGB flag. */
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lpBmiH->biCompression = BI_RGB;
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lpBmiH->biSizeImage = bitsSize;
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lpBmiH->biYPelsPerMeter = /* 1 meter = 39.37 inch */
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MulDiv(GetDeviceCaps(physDevSrc->hdc,LOGPIXELSX),3937,100);
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lpBmiH->biXPelsPerMeter =
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MulDiv(GetDeviceCaps(physDevSrc->hdc,LOGPIXELSY),3937,100);
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lpBmiH->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
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/* Set biClrImportant to 0, indicating that all of the
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device colors are important. */
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lpBmiH->biClrImportant = 0;
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/* Initiliaze bitmap bits */
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if (GetDIBits(physDevSrc->hdc, hBitmap, 0, (UINT)lpBmiH->biHeight,
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(BYTE*)pEMR + pEMR->offBitsSrc,
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(LPBITMAPINFO)lpBmiH, DIB_RGB_COLORS))
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{
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ret = EMFDRV_WriteRecord(devDst, (EMR*)pEMR);
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if (ret) EMFDRV_UpdateBBox(devDst, &(pEMR->rclBounds));
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}
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else
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ret = FALSE;
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HeapFree( GetProcessHeap(), 0, pEMR);
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return ret;
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}
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BOOL EMFDRV_BitBlt(
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PHYSDEV devDst, INT xDst, INT yDst, INT width, INT height,
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PHYSDEV devSrc, INT xSrc, INT ySrc, DWORD rop)
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{
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return EMFDRV_BitBlockTransfer( devDst, xDst, yDst, width, height,
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devSrc, xSrc, ySrc, width, height,
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rop, EMR_BITBLT );
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}
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BOOL EMFDRV_StretchBlt(
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PHYSDEV devDst, INT xDst, INT yDst, INT widthDst, INT heightDst,
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PHYSDEV devSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, DWORD rop )
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{
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return EMFDRV_BitBlockTransfer( devDst, xDst, yDst, widthDst, heightDst,
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devSrc, xSrc, ySrc, widthSrc, heightSrc,
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rop, EMR_STRETCHBLT );
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}
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INT EMFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst,
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INT heightDst, INT xSrc, INT ySrc,
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INT widthSrc, INT heightSrc,
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const void *bits, const BITMAPINFO *info,
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UINT wUsage, DWORD dwRop )
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{
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EMRSTRETCHDIBITS *emr;
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BOOL ret;
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UINT bmi_size=0, bits_size, emr_size;
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bits_size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount);
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/* calculate the size of the colour table */
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bmi_size = DIB_BitmapInfoSize(info, wUsage);
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emr_size = sizeof (EMRSTRETCHDIBITS) + bmi_size + bits_size;
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emr = HeapAlloc(GetProcessHeap(), 0, emr_size );
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if (!emr) return 0;
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/* write a bitmap info header (with colours) to the record */
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memcpy( &emr[1], info, bmi_size);
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/* write bitmap bits to the record */
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memcpy ( ( (BYTE *) (&emr[1]) ) + bmi_size, bits, bits_size);
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/* fill in the EMR header at the front of our piece of memory */
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emr->emr.iType = EMR_STRETCHDIBITS;
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emr->emr.nSize = emr_size;
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emr->xDest = xDst;
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emr->yDest = yDst;
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emr->cxDest = widthDst;
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emr->cyDest = heightDst;
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emr->dwRop = dwRop;
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emr->xSrc = xSrc; /* FIXME: only save the piece of the bitmap needed */
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emr->ySrc = ySrc;
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emr->iUsageSrc = wUsage;
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emr->offBmiSrc = sizeof (EMRSTRETCHDIBITS);
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emr->cbBmiSrc = bmi_size;
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emr->offBitsSrc = emr->offBmiSrc + bmi_size;
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emr->cbBitsSrc = bits_size;
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emr->cxSrc = widthSrc;
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emr->cySrc = heightSrc;
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emr->rclBounds.left = xDst;
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emr->rclBounds.top = yDst;
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emr->rclBounds.right = xDst + widthDst;
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emr->rclBounds.bottom = yDst + heightDst;
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/* save the record we just created */
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ret = EMFDRV_WriteRecord( dev, &emr->emr );
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if(ret)
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EMFDRV_UpdateBBox( dev, &emr->rclBounds );
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HeapFree(GetProcessHeap(), 0, emr);
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return ret ? heightSrc : GDI_ERROR;
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}
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INT EMFDRV_SetDIBitsToDevice(
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PHYSDEV dev, INT xDst, INT yDst, DWORD width, DWORD height,
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INT xSrc, INT ySrc, UINT startscan, UINT lines,
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LPCVOID bits, const BITMAPINFO *info, UINT wUsage )
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{
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EMRSETDIBITSTODEVICE* pEMR;
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DWORD size, bmiSize, bitsSize;
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bmiSize = DIB_BitmapInfoSize(info, wUsage);
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bitsSize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount );
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size = sizeof(EMRSETDIBITSTODEVICE) + bmiSize + bitsSize;
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pEMR = HeapAlloc(GetProcessHeap(), 0, size);
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if (!pEMR) return 0;
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pEMR->emr.iType = EMR_SETDIBITSTODEVICE;
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pEMR->emr.nSize = size;
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pEMR->rclBounds.left = xDst;
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pEMR->rclBounds.top = yDst;
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pEMR->rclBounds.right = xDst + width - 1;
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pEMR->rclBounds.bottom = yDst + height - 1;
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pEMR->xDest = xDst;
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pEMR->yDest = yDst;
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pEMR->xSrc = xSrc;
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pEMR->ySrc = ySrc;
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pEMR->cxSrc = width;
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pEMR->cySrc = height;
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pEMR->offBmiSrc = sizeof(EMRSETDIBITSTODEVICE);
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pEMR->cbBmiSrc = bmiSize;
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pEMR->offBitsSrc = sizeof(EMRSETDIBITSTODEVICE) + bmiSize;
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pEMR->cbBitsSrc = bitsSize;
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pEMR->iUsageSrc = wUsage;
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pEMR->iStartScan = startscan;
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pEMR->cScans = lines;
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memcpy((BYTE*)pEMR + pEMR->offBmiSrc, info, bmiSize);
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memcpy((BYTE*)pEMR + pEMR->offBitsSrc, bits, bitsSize);
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if (EMFDRV_WriteRecord(dev, (EMR*)pEMR))
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EMFDRV_UpdateBBox(dev, &(pEMR->rclBounds));
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HeapFree( GetProcessHeap(), 0, pEMR);
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return lines;
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}
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