Sweden-Number/graphics/metafiledrv/bitblt.c

235 lines
7.7 KiB
C

/*
* GDI bit-blit operations
*
* Copyright 1993, 1994 Alexandre Julliard
*/
#include "gdi.h"
#include "metafiledrv.h"
#include "heap.h"
#include "debugtools.h"
#include "bitmap.h"
DEFAULT_DEBUG_CHANNEL(metafile)
/***********************************************************************
* MFDRV_PatBlt
*/
BOOL MFDRV_PatBlt( DC *dc, INT left, INT top,
INT width, INT height, DWORD rop )
{
MFDRV_MetaParam6( dc, META_PATBLT, left, top, width, height,
HIWORD(rop), LOWORD(rop) );
return TRUE;
}
/***********************************************************************
* MFDRV_BitBlt
*/
BOOL MFDRV_BitBlt( DC *dcDst, INT xDst, INT yDst, INT width, INT height,
DC *dcSrc, INT xSrc, INT ySrc, DWORD rop )
{
BOOL ret;
DWORD len;
METARECORD *mr;
BITMAP16 BM;
GetObject16(dcSrc->w.hBitmap, sizeof(BITMAP16), &BM);
len = sizeof(METARECORD) + 12 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
if (!(mr = HeapAlloc(SystemHeap, 0, len)))
return FALSE;
mr->rdFunction = META_BITBLT;
*(mr->rdParm + 7) = BM.bmWidth;
*(mr->rdParm + 8) = BM.bmHeight;
*(mr->rdParm + 9) = BM.bmWidthBytes;
*(mr->rdParm +10) = BM.bmPlanes;
*(mr->rdParm +11) = BM.bmBitsPixel;
TRACE("len = %ld rop=%lx \n",len,rop);
if (GetBitmapBits(dcSrc->w.hBitmap,BM.bmWidthBytes * BM.bmHeight,
mr->rdParm +12))
{
mr->rdSize = len / sizeof(INT16);
*(mr->rdParm) = HIWORD(rop);
*(mr->rdParm + 1) = ySrc;
*(mr->rdParm + 2) = xSrc;
*(mr->rdParm + 3) = height;
*(mr->rdParm + 4) = width;
*(mr->rdParm + 5) = yDst;
*(mr->rdParm + 6) = xDst;
ret = MFDRV_WriteRecord( dcDst, mr, mr->rdSize * 2);
}
else
ret = FALSE;
HeapFree( SystemHeap, 0, mr);
return ret;
}
/***********************************************************************
* MFDRV_StretchBlt
* this function contains TWO ways for procesing StretchBlt in metafiles,
* decide between rdFunction values META_STRETCHBLT or META_DIBSTRETCHBLT
* via #define STRETCH_VIA_DIB
*/
#define STRETCH_VIA_DIB
#undef STRETCH_VIA_DIB
BOOL MFDRV_StretchBlt( DC *dcDst, INT xDst, INT yDst, INT widthDst,
INT heightDst, DC *dcSrc, INT xSrc, INT ySrc,
INT widthSrc, INT heightSrc, DWORD rop )
{
BOOL ret;
DWORD len;
METARECORD *mr;
BITMAP16 BM;
#ifdef STRETCH_VIA_DIB
LPBITMAPINFOHEADER lpBMI;
WORD nBPP;
#endif
GetObject16(dcSrc->w.hBitmap, sizeof(BITMAP16), &BM);
#ifdef STRETCH_VIA_DIB
nBPP = BM.bmPlanes * BM.bmBitsPixel;
len = sizeof(METARECORD) + 10 * sizeof(INT16)
+ sizeof(BITMAPINFOHEADER) + (nBPP != 24 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
+ ((BM.bmWidth * nBPP + 31) / 32) * 4 * BM.bmHeight;
if (!(mr = HeapAlloc( SystemHeap, 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; /* 1,4,8 or 24 */
lpBMI->biClrUsed = nBPP != 24 ? 1 << nBPP : 0;
lpBMI->biSizeImage = ((lpBMI->biWidth * nBPP + 31) / 32) * 4 * lpBMI->biHeight;
lpBMI->biCompression = BI_RGB;
lpBMI->biXPelsPerMeter = MulDiv(GetDeviceCaps(dcSrc->hSelf,LOGPIXELSX),3937,100);
lpBMI->biYPelsPerMeter = MulDiv(GetDeviceCaps(dcSrc->hSelf,LOGPIXELSY),3937,100);
lpBMI->biClrImportant = 0; /* 1 meter = 39.37 inch */
TRACE("MF_StretchBltViaDIB->len = %ld rop=%lx PixYPM=%ld Caps=%d\n",
len,rop,lpBMI->biYPelsPerMeter,GetDeviceCaps(hdcSrc,LOGPIXELSY));
if (GetDIBits(hdcSrc,dcSrc->w.hBitmap,0,(UINT)lpBMI->biHeight,
(LPSTR)lpBMI + DIB_BitmapInfoSize( (BITMAPINFO *)lpBMI,
DIB_RGB_COLORS ),
(LPBITMAPINFO)lpBMI, DIB_RGB_COLORS))
#else
len = sizeof(METARECORD) + 15 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
if (!(mr = HeapAlloc( SystemHeap, 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( dcSrc->w.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) = heightSrc;
*(mr->rdParm + 3) = widthSrc;
*(mr->rdParm + 4) = ySrc;
*(mr->rdParm + 5) = xSrc;
*(mr->rdParm + 6) = heightDst;
*(mr->rdParm + 7) = widthDst;
*(mr->rdParm + 8) = yDst;
*(mr->rdParm + 9) = xDst;
ret = MFDRV_WriteRecord( dcDst, mr, mr->rdSize * 2);
}
else
ret = FALSE;
HeapFree( SystemHeap, 0, mr);
return ret;
}
/***********************************************************************
* MFDRV_StretchDIBits
*/
INT MFDRV_StretchDIBits( DC *dc, 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 len, infosize, imagesize;
METARECORD *mr;
infosize = DIB_BitmapInfoSize(info, wUsage);
imagesize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount );
len = sizeof(METARECORD) + 10 * sizeof(WORD) + infosize + imagesize;
mr = (METARECORD *)HeapAlloc( SystemHeap, 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( dc, mr, mr->rdSize * 2 );
HeapFree( SystemHeap, 0, mr );
return heightSrc;
}
/***********************************************************************
* MFDRV_SetDIBitsToDeivce
*/
INT MFDRV_SetDIBitsToDevice( DC *dc, INT xDst, INT yDst, DWORD cx,
DWORD cy, INT xSrc, INT ySrc, UINT startscan,
UINT lines, LPCVOID bits, const BITMAPINFO *info,
UINT coloruse )
{
DWORD len, infosize, imagesize;
METARECORD *mr;
infosize = DIB_BitmapInfoSize(info, coloruse);
imagesize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount );
len = sizeof(METARECORD) + 8 * sizeof(WORD) + infosize + imagesize;
mr = (METARECORD *)HeapAlloc( SystemHeap, 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( dc, mr, mr->rdSize * 2 );
HeapFree( SystemHeap, 0, mr );
return lines;
}