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Sweden-Number/dlls/gdi32/mfdrv/bitblt.c

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/*
* GDI bit-blit operations
*
* Copyright 1993, 1994 Alexandre Julliard
*
* 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 <string.h>
#include "mfdrv/metafiledrv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(metafile);
/***********************************************************************
* MFDRV_PatBlt
*/
BOOL MFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
{
MFDRV_MetaParam6( dev, META_PATBLT, dst->log_x, dst->log_y, dst->log_width, dst->log_height,
HIWORD(rop), LOWORD(rop) );
return TRUE;
}
/***********************************************************************
* MFDRV_StretchBlt
* this function contains TWO ways for processing StretchBlt in metafiles,
* decide between rdFunction values META_STRETCHBLT or META_DIBSTRETCHBLT
* via #define STRETCH_VIA_DIB
*/
#define STRETCH_VIA_DIB
BOOL MFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop )
{
BOOL ret;
DWORD len;
METARECORD *mr;
BITMAP BM;
#ifdef STRETCH_VIA_DIB
LPBITMAPINFOHEADER lpBMI;
WORD nBPP;
#endif
HBITMAP hBitmap = GetCurrentObject(devSrc->hdc, OBJ_BITMAP);
if (devSrc->funcs == devDst->funcs) return FALSE; /* can't use a metafile DC as source */
if (GetObjectW(hBitmap, sizeof(BITMAP), &BM) != sizeof(BITMAP))
{
WARN("bad bitmap object %p passed for hdc %p\n", hBitmap, devSrc->hdc);
return FALSE;
}
#ifdef STRETCH_VIA_DIB
nBPP = BM.bmPlanes * BM.bmBitsPixel;
if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
len = sizeof(METARECORD) + 10 * sizeof(INT16)
+ sizeof(BITMAPINFOHEADER) + (nBPP <= 8 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
+ get_dib_stride( BM.bmWidth, nBPP ) * BM.bmHeight;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, len)))
return FALSE;
mr->rdFunction = META_DIBSTRETCHBLT;
lpBMI=(LPBITMAPINFOHEADER)(mr->rdParm+10);
lpBMI->biSize = sizeof(BITMAPINFOHEADER);
lpBMI->biWidth = BM.bmWidth;
lpBMI->biHeight = BM.bmHeight;
lpBMI->biPlanes = 1;
lpBMI->biBitCount = nBPP;
lpBMI->biSizeImage = get_dib_image_size( (BITMAPINFO *)lpBMI );
lpBMI->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
lpBMI->biCompression = BI_RGB;
lpBMI->biXPelsPerMeter = MulDiv(GetDeviceCaps(devSrc->hdc,LOGPIXELSX),3937,100);
lpBMI->biYPelsPerMeter = MulDiv(GetDeviceCaps(devSrc->hdc,LOGPIXELSY),3937,100);
lpBMI->biClrImportant = 0; /* 1 meter = 39.37 inch */
TRACE("MF_StretchBltViaDIB->len = %d rop=%x PixYPM=%d Caps=%d\n",
len,rop,lpBMI->biYPelsPerMeter,GetDeviceCaps(devSrc->hdc, LOGPIXELSY));
if (GetDIBits(devSrc->hdc, hBitmap, 0, (UINT)lpBMI->biHeight,
(LPSTR)lpBMI + bitmap_info_size( (BITMAPINFO *)lpBMI,
DIB_RGB_COLORS ),
(LPBITMAPINFO)lpBMI, DIB_RGB_COLORS))
#else
len = sizeof(METARECORD) + 15 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, len )))
return FALSE;
mr->rdFunction = META_STRETCHBLT;
*(mr->rdParm +10) = BM.bmWidth;
*(mr->rdParm +11) = BM.bmHeight;
*(mr->rdParm +12) = BM.bmWidthBytes;
*(mr->rdParm +13) = BM.bmPlanes;
*(mr->rdParm +14) = BM.bmBitsPixel;
TRACE("len = %ld rop=%lx\n", len, rop);
if (GetBitmapBits( hBitmap, BM.bmWidthBytes * BM.bmHeight, mr->rdParm + 15))
#endif
{
mr->rdSize = len / sizeof(INT16);
*(mr->rdParm) = LOWORD(rop);
*(mr->rdParm + 1) = HIWORD(rop);
*(mr->rdParm + 2) = src->log_height;
*(mr->rdParm + 3) = src->log_width;
*(mr->rdParm + 4) = src->log_y;
*(mr->rdParm + 5) = src->log_x;
*(mr->rdParm + 6) = dst->log_height;
*(mr->rdParm + 7) = dst->log_width;
*(mr->rdParm + 8) = dst->log_y;
*(mr->rdParm + 9) = dst->log_x;
ret = MFDRV_WriteRecord( devDst, mr, mr->rdSize * 2);
}
else
ret = FALSE;
HeapFree( GetProcessHeap(), 0, mr);
return ret;
}
/***********************************************************************
* MFDRV_StretchDIBits
*/
INT MFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst,
INT heightDst, INT xSrc, INT ySrc, INT widthSrc,
INT heightSrc, const void *bits,
const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
{
DWORD infosize = bitmap_info_size(info, wUsage);
DWORD imagesize = get_dib_image_size( info );
DWORD len = sizeof(METARECORD) + 10 * sizeof(WORD) + infosize + imagesize;
METARECORD *mr = HeapAlloc( GetProcessHeap(), 0, len );
if(!mr) return 0;
mr->rdSize = len / 2;
mr->rdFunction = META_STRETCHDIB;
mr->rdParm[0] = LOWORD(dwRop);
mr->rdParm[1] = HIWORD(dwRop);
mr->rdParm[2] = wUsage;
mr->rdParm[3] = (INT16)heightSrc;
mr->rdParm[4] = (INT16)widthSrc;
mr->rdParm[5] = (INT16)ySrc;
mr->rdParm[6] = (INT16)xSrc;
mr->rdParm[7] = (INT16)heightDst;
mr->rdParm[8] = (INT16)widthDst;
mr->rdParm[9] = (INT16)yDst;
mr->rdParm[10] = (INT16)xDst;
memcpy(mr->rdParm + 11, info, infosize);
memcpy(mr->rdParm + 11 + infosize / 2, bits, imagesize);
MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
HeapFree( GetProcessHeap(), 0, mr );
return heightSrc;
}
/***********************************************************************
* MFDRV_SetDIBitsToDeivce
*/
INT MFDRV_SetDIBitsToDevice( PHYSDEV dev, INT xDst, INT yDst, DWORD cx,
DWORD cy, INT xSrc, INT ySrc, UINT startscan,
UINT lines, LPCVOID bits, const BITMAPINFO *info,
UINT coloruse )
{
DWORD infosize = bitmap_info_size(info, coloruse);
DWORD imagesize = get_dib_image_size( info );
DWORD len = sizeof(METARECORD) + 8 * sizeof(WORD) + infosize + imagesize;
METARECORD *mr = HeapAlloc( GetProcessHeap(), 0, len );
if(!mr) return 0;
mr->rdSize = len / 2;
mr->rdFunction = META_SETDIBTODEV;
mr->rdParm[0] = coloruse;
mr->rdParm[1] = lines;
mr->rdParm[2] = startscan;
mr->rdParm[3] = (INT16)ySrc;
mr->rdParm[4] = (INT16)xSrc;
mr->rdParm[5] = (INT16)cy;
mr->rdParm[6] = (INT16)cx;
mr->rdParm[7] = (INT16)yDst;
mr->rdParm[8] = (INT16)xDst;
memcpy(mr->rdParm + 9, info, infosize);
memcpy(mr->rdParm + 9 + infosize / 2, bits, imagesize);
MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
HeapFree( GetProcessHeap(), 0, mr );
return lines;
}
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