280 lines
9.3 KiB
C
280 lines
9.3 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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/* Generate an EMRBITBLT, EMRSTRETCHBLT or EMRALPHABLEND record depending on the type parameter */
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static BOOL emfdrv_stretchblt( PHYSDEV dev_dst, struct bitblt_coords *dst, PHYSDEV dev_src,
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struct bitblt_coords *src, DWORD rop, DWORD type )
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{
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unsigned char src_buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
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BITMAPINFO *src_info = (BITMAPINFO *)src_buffer;
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UINT bits_size, bmi_size, emr_size, size, bpp;
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EMRSTRETCHBLT *emr_stretchblt;
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struct gdi_image_bits bits;
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BITMAPINFO *bmi;
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EMRBITBLT *emr;
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DC *dc_src;
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DWORD err;
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BOOL ret = FALSE;
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dc_src = get_physdev_dc(dev_src);
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dev_src = GET_DC_PHYSDEV(dc_src, pGetImage);
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err = dev_src->funcs->pGetImage(dev_src, src_info, &bits, src);
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if (err)
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{
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SetLastError(err);
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return FALSE;
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}
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bpp = src_info->bmiHeader.biBitCount;
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if (bpp <= 8)
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bmi_size = sizeof(BITMAPINFOHEADER) + (1 << bpp) * sizeof(RGBQUAD);
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else if (bpp == 16 || bpp == 32)
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bmi_size = sizeof(BITMAPINFOHEADER) + 3 * sizeof(RGBQUAD);
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else
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bmi_size = sizeof(BITMAPINFOHEADER);
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/* EMRSTRETCHBLT and EMRALPHABLEND have the same structure */
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emr_size = type == EMR_BITBLT ? sizeof(EMRBITBLT) : sizeof(EMRSTRETCHBLT);
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bits_size = src_info->bmiHeader.biSizeImage;
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size = emr_size + bmi_size + bits_size;
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emr = HeapAlloc(GetProcessHeap(), 0, size);
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if (!emr) goto err;
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emr->emr.iType = type;
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emr->emr.nSize = size;
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emr->rclBounds.left = dst->log_x;
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emr->rclBounds.top = dst->log_y;
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emr->rclBounds.right = dst->log_x + dst->log_width - 1;
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emr->rclBounds.bottom = dst->log_y + dst->log_height - 1;
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emr->xDest = dst->log_x;
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emr->yDest = dst->log_y;
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emr->cxDest = dst->log_width;
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emr->cyDest = dst->log_height;
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emr->xSrc = src->log_x;
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emr->ySrc = src->log_y;
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if (type == EMR_STRETCHBLT || type == EMR_ALPHABLEND)
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{
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emr_stretchblt = (EMRSTRETCHBLT *)emr;
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emr_stretchblt->cxSrc = src->log_width;
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emr_stretchblt->cySrc = src->log_height;
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}
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emr->dwRop = rop;
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NtGdiGetTransform( dev_src->hdc, 0x204, &emr->xformSrc );
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emr->crBkColorSrc = GetBkColor(dev_src->hdc);
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emr->iUsageSrc = DIB_RGB_COLORS;
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emr->offBmiSrc = emr_size;
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emr->cbBmiSrc = bmi_size;
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emr->offBitsSrc = emr_size + bmi_size;
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emr->cbBitsSrc = bits_size;
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bmi = (BITMAPINFO *)((BYTE *)emr + emr->offBmiSrc);
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memcpy(bmi, src_info, bmi_size);
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memcpy((BYTE *)emr + emr->offBitsSrc, bits.ptr, bits_size);
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bmi->bmiHeader.biClrUsed = 0;
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if (bmi->bmiHeader.biCompression == BI_RGB && bmi->bmiHeader.biBitCount == 16)
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{
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bmi->bmiHeader.biCompression = BI_BITFIELDS;
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((DWORD *)bmi->bmiColors)[0] = 0xf800;
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((DWORD *)bmi->bmiColors)[1] = 0x07e0;
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((DWORD *)bmi->bmiColors)[2] = 0x001f;
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}
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else if (bmi->bmiHeader.biCompression == BI_RGB && bmi->bmiHeader.biBitCount == 32)
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{
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bmi->bmiHeader.biCompression = BI_BITFIELDS;
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((DWORD *)bmi->bmiColors)[0] = 0xff0000;
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((DWORD *)bmi->bmiColors)[1] = 0x00ff00;
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((DWORD *)bmi->bmiColors)[2] = 0x0000ff;
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}
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ret = EMFDRV_WriteRecord(dev_dst, (EMR *)emr);
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if (ret) EMFDRV_UpdateBBox(dev_dst, &emr->rclBounds);
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err:
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HeapFree(GetProcessHeap(), 0, emr);
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if (bits.free) bits.free(&bits);
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return ret;
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}
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BOOL CDECL EMFDRV_AlphaBlend( PHYSDEV dev_dst, struct bitblt_coords *dst,
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PHYSDEV dev_src, struct bitblt_coords *src, BLENDFUNCTION func )
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{
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return emfdrv_stretchblt(dev_dst, dst, dev_src, src, *(DWORD *)&func, EMR_ALPHABLEND);
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}
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BOOL CDECL EMFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
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{
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/* FIXME: update bound rect */
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return TRUE;
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}
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BOOL EMFDC_PatBlt( DC_ATTR *dc_attr, INT left, INT top, INT width, INT height, DWORD rop )
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{
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EMFDRV_PDEVICE *emf = dc_attr->emf;
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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( &emf->dev, &emr.emr );
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if(ret)
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EMFDRV_UpdateBBox( &emf->dev, &emr.rclBounds );
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return ret;
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}
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BOOL CDECL EMFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
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PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop )
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{
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if (src->log_width == dst->log_width && src->log_height == dst->log_height)
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return emfdrv_stretchblt(devDst, dst, devSrc, src, rop, EMR_BITBLT);
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else
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return emfdrv_stretchblt(devDst, dst, devSrc, src, rop, EMR_STRETCHBLT);
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}
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INT CDECL EMFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
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INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
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BITMAPINFO *info, 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, emr_size;
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/* calculate the size of the colour table */
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bmi_size = get_dib_info_size(info, wUsage);
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emr_size = sizeof (EMRSTRETCHDIBITS) + bmi_size + info->bmiHeader.biSizeImage;
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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, info->bmiHeader.biSizeImage);
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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 = info->bmiHeader.biSizeImage;
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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 CDECL EMFDRV_SetDIBitsToDevice( 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, BITMAPINFO *info, UINT wUsage )
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{
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EMRSETDIBITSTODEVICE* pEMR;
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DWORD bmiSize = get_dib_info_size(info, wUsage);
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DWORD size = sizeof(EMRSETDIBITSTODEVICE) + bmiSize + info->bmiHeader.biSizeImage;
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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 = info->bmiHeader.biSizeImage;
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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, info->bmiHeader.biSizeImage);
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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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