--- /dev/null
+/*
+ * Enhanced MetaFile driver BitBlt functions
+ *
+ * Copyright 2002 Huw D M Davies for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+#include <string.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "wingdi.h"
+#include "enhmetafiledrv.h"
+#include "wine/debug.h"
+
+BOOL EMFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
+{
+ EMRBITBLT emr;
+ BOOL ret;
+
+ emr.emr.iType = EMR_BITBLT;
+ emr.emr.nSize = sizeof(emr);
+ emr.rclBounds.left = dst->log_x;
+ emr.rclBounds.top = dst->log_y;
+ emr.rclBounds.right = dst->log_x + dst->log_width - 1;
+ emr.rclBounds.bottom = dst->log_y + dst->log_height - 1;
+ emr.xDest = dst->log_x;
+ emr.yDest = dst->log_y;
+ emr.cxDest = dst->log_width;
+ emr.cyDest = dst->log_height;
+ emr.dwRop = rop;
+ emr.xSrc = 0;
+ emr.ySrc = 0;
+ emr.xformSrc.eM11 = 1.0;
+ emr.xformSrc.eM12 = 0.0;
+ emr.xformSrc.eM21 = 0.0;
+ emr.xformSrc.eM22 = 1.0;
+ emr.xformSrc.eDx = 0.0;
+ emr.xformSrc.eDy = 0.0;
+ emr.crBkColorSrc = 0;
+ emr.iUsageSrc = 0;
+ emr.offBmiSrc = 0;
+ emr.cbBmiSrc = 0;
+ emr.offBitsSrc = 0;
+ emr.cbBitsSrc = 0;
+
+ ret = EMFDRV_WriteRecord( dev, &emr.emr );
+ if(ret)
+ EMFDRV_UpdateBBox( dev, &emr.rclBounds );
+ return ret;
+}
+
+BOOL EMFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
+ PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop )
+{
+ BOOL ret;
+ PEMRBITBLT pEMR;
+ UINT emrSize;
+ UINT bmiSize;
+ UINT bitsSize;
+ UINT size;
+ BITMAP BM;
+ WORD nBPP = 0;
+ LPBITMAPINFOHEADER lpBmiH;
+ HBITMAP hBitmap = NULL;
+ DWORD emrType;
+
+ if (devSrc->funcs == devDst->funcs) return FALSE; /* can't use a metafile DC as source */
+
+ if (src->log_width == dst->log_width && src->log_height == dst->log_height)
+ {
+ emrType = EMR_BITBLT;
+ emrSize = sizeof(EMRBITBLT);
+ }
+ else
+ {
+ emrType = EMR_STRETCHBLT;
+ emrSize = sizeof(EMRSTRETCHBLT);
+ }
+
+ hBitmap = GetCurrentObject(devSrc->hdc, OBJ_BITMAP);
+
+ if(sizeof(BITMAP) != GetObjectW(hBitmap, sizeof(BITMAP), &BM))
+ return FALSE;
+
+ nBPP = BM.bmPlanes * BM.bmBitsPixel;
+ if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
+ bitsSize = get_dib_stride( BM.bmWidth, nBPP ) * BM.bmHeight;
+ bmiSize = sizeof(BITMAPINFOHEADER) +
+ (nBPP <= 8 ? 1 << nBPP : 0) * sizeof(RGBQUAD);
+
+ size = emrSize + bmiSize + bitsSize;
+
+ pEMR = HeapAlloc(GetProcessHeap(), 0, size);
+ if (!pEMR) return FALSE;
+
+ /* Initialize EMR */
+ pEMR->emr.iType = emrType;
+ pEMR->emr.nSize = size;
+ pEMR->rclBounds.left = dst->log_x;
+ pEMR->rclBounds.top = dst->log_y;
+ pEMR->rclBounds.right = dst->log_x + dst->log_width - 1;
+ pEMR->rclBounds.bottom = dst->log_y + dst->log_height - 1;
+ pEMR->xDest = dst->log_x;
+ pEMR->yDest = dst->log_y;
+ pEMR->cxDest = dst->log_width;
+ pEMR->cyDest = dst->log_height;
+ pEMR->dwRop = rop;
+ pEMR->xSrc = src->log_x;
+ pEMR->ySrc = src->log_y;
+ GetWorldTransform(devSrc->hdc, &pEMR->xformSrc);
+ pEMR->crBkColorSrc = GetBkColor(devSrc->hdc);
+ pEMR->iUsageSrc = DIB_RGB_COLORS;
+ pEMR->offBmiSrc = emrSize;
+ pEMR->offBitsSrc = emrSize + bmiSize;
+ pEMR->cbBmiSrc = bmiSize;
+ pEMR->cbBitsSrc = bitsSize;
+ if (emrType == EMR_STRETCHBLT)
+ {
+ PEMRSTRETCHBLT pEMRStretch = (PEMRSTRETCHBLT)pEMR;
+ pEMRStretch->cxSrc = src->log_width;
+ pEMRStretch->cySrc = src->log_height;
+ }
+
+ /* Initialize BITMAPINFO structure */
+ lpBmiH = (LPBITMAPINFOHEADER)((BYTE*)pEMR + pEMR->offBmiSrc);
+
+ lpBmiH->biSize = sizeof(BITMAPINFOHEADER);
+ lpBmiH->biWidth = BM.bmWidth;
+ lpBmiH->biHeight = BM.bmHeight;
+ lpBmiH->biPlanes = BM.bmPlanes;
+ lpBmiH->biBitCount = nBPP;
+ /* Assume the bitmap isn't compressed and set the BI_RGB flag. */
+ lpBmiH->biCompression = BI_RGB;
+ lpBmiH->biSizeImage = bitsSize;
+ lpBmiH->biYPelsPerMeter = 0;
+ lpBmiH->biXPelsPerMeter = 0;
+ lpBmiH->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
+ /* Set biClrImportant to 0, indicating that all of the
+ device colors are important. */
+ lpBmiH->biClrImportant = 0;
+
+ /* Initialize bitmap bits */
+ if (GetDIBits(devSrc->hdc, hBitmap, 0, (UINT)lpBmiH->biHeight,
+ (BYTE*)pEMR + pEMR->offBitsSrc,
+ (LPBITMAPINFO)lpBmiH, DIB_RGB_COLORS))
+ {
+ ret = EMFDRV_WriteRecord(devDst, (EMR*)pEMR);
+ if (ret) EMFDRV_UpdateBBox(devDst, &(pEMR->rclBounds));
+ }
+ else
+ ret = FALSE;
+
+ HeapFree( GetProcessHeap(), 0, pEMR);
+ return ret;
+}
+
+INT EMFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
+ INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
+ BITMAPINFO *info, UINT wUsage, DWORD dwRop )
+{
+ EMRSTRETCHDIBITS *emr;
+ BOOL ret;
+ UINT bmi_size, emr_size;
+
+ /* calculate the size of the colour table */
+ bmi_size = get_dib_info_size(info, wUsage);
+
+ emr_size = sizeof (EMRSTRETCHDIBITS) + bmi_size + info->bmiHeader.biSizeImage;
+ emr = HeapAlloc(GetProcessHeap(), 0, emr_size );
+ if (!emr) return 0;
+
+ /* write a bitmap info header (with colours) to the record */
+ memcpy( &emr[1], info, bmi_size);
+
+ /* write bitmap bits to the record */
+ memcpy ( ( (BYTE *) (&emr[1]) ) + bmi_size, bits, info->bmiHeader.biSizeImage);
+
+ /* fill in the EMR header at the front of our piece of memory */
+ emr->emr.iType = EMR_STRETCHDIBITS;
+ emr->emr.nSize = emr_size;
+
+ emr->xDest = xDst;
+ emr->yDest = yDst;
+ emr->cxDest = widthDst;
+ emr->cyDest = heightDst;
+ emr->dwRop = dwRop;
+ emr->xSrc = xSrc; /* FIXME: only save the piece of the bitmap needed */
+ emr->ySrc = ySrc;
+
+ emr->iUsageSrc = wUsage;
+ emr->offBmiSrc = sizeof (EMRSTRETCHDIBITS);
+ emr->cbBmiSrc = bmi_size;
+ emr->offBitsSrc = emr->offBmiSrc + bmi_size;
+ emr->cbBitsSrc = info->bmiHeader.biSizeImage;
+
+ emr->cxSrc = widthSrc;
+ emr->cySrc = heightSrc;
+
+ emr->rclBounds.left = xDst;
+ emr->rclBounds.top = yDst;
+ emr->rclBounds.right = xDst + widthDst;
+ emr->rclBounds.bottom = yDst + heightDst;
+
+ /* save the record we just created */
+ ret = EMFDRV_WriteRecord( dev, &emr->emr );
+ if(ret)
+ EMFDRV_UpdateBBox( dev, &emr->rclBounds );
+
+ HeapFree(GetProcessHeap(), 0, emr);
+
+ return ret ? heightSrc : GDI_ERROR;
+}
+
+INT EMFDRV_SetDIBitsToDevice( PHYSDEV dev, INT xDst, INT yDst, DWORD width, DWORD height,
+ INT xSrc, INT ySrc, UINT startscan, UINT lines,
+ LPCVOID bits, BITMAPINFO *info, UINT wUsage )
+{
+ EMRSETDIBITSTODEVICE* pEMR;
+ DWORD bmiSize = get_dib_info_size(info, wUsage);
+ DWORD size = sizeof(EMRSETDIBITSTODEVICE) + bmiSize + info->bmiHeader.biSizeImage;
+
+ pEMR = HeapAlloc(GetProcessHeap(), 0, size);
+ if (!pEMR) return 0;
+
+ pEMR->emr.iType = EMR_SETDIBITSTODEVICE;
+ pEMR->emr.nSize = size;
+ pEMR->rclBounds.left = xDst;
+ pEMR->rclBounds.top = yDst;
+ pEMR->rclBounds.right = xDst + width - 1;
+ pEMR->rclBounds.bottom = yDst + height - 1;
+ pEMR->xDest = xDst;
+ pEMR->yDest = yDst;
+ pEMR->xSrc = xSrc;
+ pEMR->ySrc = ySrc;
+ pEMR->cxSrc = width;
+ pEMR->cySrc = height;
+ pEMR->offBmiSrc = sizeof(EMRSETDIBITSTODEVICE);
+ pEMR->cbBmiSrc = bmiSize;
+ pEMR->offBitsSrc = sizeof(EMRSETDIBITSTODEVICE) + bmiSize;
+ pEMR->cbBitsSrc = info->bmiHeader.biSizeImage;
+ pEMR->iUsageSrc = wUsage;
+ pEMR->iStartScan = startscan;
+ pEMR->cScans = lines;
+ memcpy((BYTE*)pEMR + pEMR->offBmiSrc, info, bmiSize);
+ memcpy((BYTE*)pEMR + pEMR->offBitsSrc, bits, info->bmiHeader.biSizeImage);
+
+ if (EMFDRV_WriteRecord(dev, (EMR*)pEMR))
+ EMFDRV_UpdateBBox(dev, &(pEMR->rclBounds));
+
+ HeapFree( GetProcessHeap(), 0, pEMR);
+ return lines;
+}
projects / reactos.git / blobdiff