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BitBlt and StretchBlt generate META_DIBSTRETCHBLT records.

This commit is contained in:
Huw D M Davies 2002-08-28 00:55:52 +00:00 committed by Alexandre Julliard
parent b1f2325930
commit e161c12e5b
1 changed files with 11 additions and 43 deletions
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54
dlls/gdi/mfdrv/bitblt.c
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@ -43,41 +43,8 @@ BOOL MFDRV_PatBlt( PHYSDEV dev, INT left, INT top, INT width, INT height, DWORD
BOOL MFDRV_BitBlt( PHYSDEV devDst, INT xDst, INT yDst, INT width, INT height,
PHYSDEV devSrc, INT xSrc, INT ySrc, DWORD rop )
{
BOOL ret;
DWORD len;
METARECORD *mr;
BITMAP BM;
METAFILEDRV_PDEVICE *physDevSrc = (METAFILEDRV_PDEVICE *)devSrc;
DC *dcSrc = physDevSrc->dc;
GetObjectA(dcSrc->hBitmap, sizeof(BITMAP), &BM);
len = sizeof(METARECORD) + 12 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
if (!(mr = HeapAlloc(GetProcessHeap(), 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->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( devDst, mr, mr->rdSize * 2);
}
else
ret = FALSE;
HeapFree( GetProcessHeap(), 0, mr);
return ret;
return MFDRV_StretchBlt(devDst, xDst, yDst, width, height, devSrc,
xSrc, ySrc, width, height, rop);
}
@ -89,7 +56,6 @@ BOOL MFDRV_BitBlt( PHYSDEV devDst, INT xDst, INT yDst, INT width, INT height,
* via #define STRETCH_VIA_DIB
*/
#define STRETCH_VIA_DIB
#undef STRETCH_VIA_DIB
BOOL MFDRV_StretchBlt( PHYSDEV devDst, INT xDst, INT yDst, INT widthDst,
INT heightDst, PHYSDEV devSrc, INT xSrc, INT ySrc,
@ -108,9 +74,10 @@ BOOL MFDRV_StretchBlt( PHYSDEV devDst, INT xDst, INT yDst, INT widthDst,
GetObjectA(dcSrc->hBitmap, sizeof(BITMAP), &BM);
#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 != 24 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
+ ((BM.bmWidth * nBPP + 31) / 32) * 4 * BM.bmHeight;
+ sizeof(BITMAPINFOHEADER) + (nBPP <= 8 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
+ DIB_GetDIBWidthBytes(BM.bmWidth, nBPP) * BM.bmHeight;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, len)))
return FALSE;
mr->rdFunction = META_DIBSTRETCHBLT;
@ -119,17 +86,18 @@ BOOL MFDRV_StretchBlt( PHYSDEV devDst, INT xDst, INT yDst, INT widthDst,
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->biBitCount = nBPP;
lpBMI->biSizeImage = DIB_GetDIBWidthBytes(BM.bmWidth, nBPP) * lpBMI->biHeight;
lpBMI->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
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,
len,rop,lpBMI->biYPelsPerMeter,GetDeviceCaps(dcSrc->hSelf,
LOGPIXELSY));
if (GetDIBits(dcSrc->hSelf,dcSrc->hBitmap,0,(UINT)lpBMI->biHeight,
(LPSTR)lpBMI + DIB_BitmapInfoSize( (BITMAPINFO *)lpBMI,
DIB_RGB_COLORS ),
(LPBITMAPINFO)lpBMI, DIB_RGB_COLORS))