graphics/metafiledrv/bitblt.c

   1 /*
   2  * GDI bit-blit operations
   3  *
   4  * Copyright 1993, 1994  Alexandre Julliard
   5  */
   6
   7 #include <string.h>
   8
   9 #include "gdi.h"
  10 #include "metafiledrv.h"
  11 #include "heap.h"
  12 #include "debugtools.h"
  13 #include "bitmap.h"
  14
  15 DEFAULT_DEBUG_CHANNEL(metafile);
  16
  17 /***********************************************************************
  18  *           MFDRV_PatBlt
  19  */
  20 BOOL MFDRV_PatBlt( DC *dc, INT left, INT top,
  21                      INT width, INT height, DWORD rop )
  22 {
  23     MFDRV_MetaParam6( dc, META_PATBLT, left, top, width, height,
  24                       HIWORD(rop), LOWORD(rop) );
  25     return TRUE;
  26 }
  27
  28
  29 /***********************************************************************
  30  *           MFDRV_BitBlt
  31  */
  32 BOOL MFDRV_BitBlt( DC *dcDst, INT xDst, INT yDst, INT width, INT height,
  33                    DC *dcSrc, INT xSrc, INT ySrc, DWORD rop )
  34 {
  35     BOOL ret;
  36     DWORD len;
  37     METARECORD *mr;
  38     BITMAP16  BM;
  39
  40     GetObject16(dcSrc->hBitmap, sizeof(BITMAP16), &BM);
  41     len = sizeof(METARECORD) + 12 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
  42     if (!(mr = HeapAlloc(GetProcessHeap(), 0, len)))
  43         return FALSE;
  44     mr->rdFunction = META_BITBLT;
  45     *(mr->rdParm + 7) = BM.bmWidth;
  46     *(mr->rdParm + 8) = BM.bmHeight;
  47     *(mr->rdParm + 9) = BM.bmWidthBytes;
  48     *(mr->rdParm +10) = BM.bmPlanes;
  49     *(mr->rdParm +11) = BM.bmBitsPixel;
  50     TRACE("len = %ld  rop=%lx  \n",len,rop);
  51     if (GetBitmapBits(dcSrc->hBitmap,BM.bmWidthBytes * BM.bmHeight,
  52                         mr->rdParm +12))
  53     {
  54       mr->rdSize = len / sizeof(INT16);
  55       *(mr->rdParm) = HIWORD(rop);
  56       *(mr->rdParm + 1) = ySrc;
  57       *(mr->rdParm + 2) = xSrc;
  58       *(mr->rdParm + 3) = height;
  59       *(mr->rdParm + 4) = width;
  60       *(mr->rdParm + 5) = yDst;
  61       *(mr->rdParm + 6) = xDst;
  62       ret = MFDRV_WriteRecord( dcDst, mr, mr->rdSize * 2);
  63     }
  64     else
  65         ret = FALSE;
  66     HeapFree( GetProcessHeap(), 0, mr);
  67     return ret;
  68 }
  69
  70
  71
  72 /***********************************************************************
  73  *           MFDRV_StretchBlt
  74  * this function contains TWO ways for procesing StretchBlt in metafiles,
  75  * decide between rdFunction values  META_STRETCHBLT or META_DIBSTRETCHBLT
  76  * via #define STRETCH_VIA_DIB
  77  */
  78 #define STRETCH_VIA_DIB
  79 #undef  STRETCH_VIA_DIB
  80
  81 BOOL MFDRV_StretchBlt( DC *dcDst, INT xDst, INT yDst, INT widthDst,
  82                        INT heightDst, DC *dcSrc, INT xSrc, INT ySrc,
  83                        INT widthSrc, INT heightSrc, DWORD rop )
  84 {
  85     BOOL ret;
  86     DWORD len;
  87     METARECORD *mr;
  88     BITMAP16  BM;
  89 #ifdef STRETCH_VIA_DIB
  90     LPBITMAPINFOHEADER lpBMI;
  91     WORD nBPP;
  92 #endif
  93     GetObject16(dcSrc->hBitmap, sizeof(BITMAP16), &BM);
  94 #ifdef STRETCH_VIA_DIB
  95     nBPP = BM.bmPlanes * BM.bmBitsPixel;
  96     len = sizeof(METARECORD) + 10 * sizeof(INT16)
  97             + sizeof(BITMAPINFOHEADER) + (nBPP != 24 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
  98               + ((BM.bmWidth * nBPP + 31) / 32) * 4 * BM.bmHeight;
  99     if (!(mr = HeapAlloc( GetProcessHeap(), 0, len)))
 100         return FALSE;
 101     mr->rdFunction = META_DIBSTRETCHBLT;
 102     lpBMI=(LPBITMAPINFOHEADER)(mr->rdParm+10);
 103     lpBMI->biSize      = sizeof(BITMAPINFOHEADER);
 104     lpBMI->biWidth     = BM.bmWidth;
 105     lpBMI->biHeight    = BM.bmHeight;
 106     lpBMI->biPlanes    = 1;
 107     lpBMI->biBitCount  = nBPP;                              /* 1,4,8 or 24 */
 108     lpBMI->biClrUsed   = nBPP != 24 ? 1 << nBPP : 0;
 109     lpBMI->biSizeImage = ((lpBMI->biWidth * nBPP + 31) / 32) * 4 * lpBMI->biHeight;
 110     lpBMI->biCompression = BI_RGB;
 111     lpBMI->biXPelsPerMeter = MulDiv(GetDeviceCaps(dcSrc->hSelf,LOGPIXELSX),3937,100);
 112     lpBMI->biYPelsPerMeter = MulDiv(GetDeviceCaps(dcSrc->hSelf,LOGPIXELSY),3937,100);
 113     lpBMI->biClrImportant  = 0;                          /* 1 meter  = 39.37 inch */
 114
 115     TRACE("MF_StretchBltViaDIB->len = %ld  rop=%lx  PixYPM=%ld Caps=%d\n",
 116                len,rop,lpBMI->biYPelsPerMeter,GetDeviceCaps(hdcSrc,LOGPIXELSY));
 117     if (GetDIBits(hdcSrc,dcSrc->w.hBitmap,0,(UINT)lpBMI->biHeight,
 118                   (LPSTR)lpBMI + DIB_BitmapInfoSize( (BITMAPINFO *)lpBMI,
 119                                                      DIB_RGB_COLORS ),
 120                   (LPBITMAPINFO)lpBMI, DIB_RGB_COLORS))
 121 #else
 122     len = sizeof(METARECORD) + 15 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
 123     if (!(mr = HeapAlloc( GetProcessHeap(), 0, len )))
 124         return FALSE;
 125     mr->rdFunction = META_STRETCHBLT;
 126     *(mr->rdParm +10) = BM.bmWidth;
 127     *(mr->rdParm +11) = BM.bmHeight;
 128     *(mr->rdParm +12) = BM.bmWidthBytes;
 129     *(mr->rdParm +13) = BM.bmPlanes;
 130     *(mr->rdParm +14) = BM.bmBitsPixel;
 131     TRACE("len = %ld  rop=%lx  \n",len,rop);
 132     if (GetBitmapBits( dcSrc->hBitmap, BM.bmWidthBytes * BM.bmHeight,
 133                          mr->rdParm +15))
 134 #endif
 135     {
 136       mr->rdSize = len / sizeof(INT16);
 137       *(mr->rdParm) = LOWORD(rop);
 138       *(mr->rdParm + 1) = HIWORD(rop);
 139       *(mr->rdParm + 2) = heightSrc;
 140       *(mr->rdParm + 3) = widthSrc;
 141       *(mr->rdParm + 4) = ySrc;
 142       *(mr->rdParm + 5) = xSrc;
 143       *(mr->rdParm + 6) = heightDst;
 144       *(mr->rdParm + 7) = widthDst;
 145       *(mr->rdParm + 8) = yDst;
 146       *(mr->rdParm + 9) = xDst;
 147       ret = MFDRV_WriteRecord( dcDst, mr, mr->rdSize * 2);
 148     }
 149     else
 150         ret = FALSE;
 151     HeapFree( GetProcessHeap(), 0, mr);
 152     return ret;
 153 }
 154
 155
 156 /***********************************************************************
 157  *           MFDRV_StretchDIBits
 158  */
 159 INT MFDRV_StretchDIBits( DC *dc, INT xDst, INT yDst, INT widthDst,
 160                          INT heightDst, INT xSrc, INT ySrc, INT widthSrc,
 161                          INT heightSrc, const void *bits,
 162                          const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
 163 {
 164     DWORD len, infosize, imagesize;
 165     METARECORD *mr;
 166
 167     infosize = DIB_BitmapInfoSize(info, wUsage);
 168     imagesize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
 169                                       info->bmiHeader.biHeight,
 170                                       info->bmiHeader.biBitCount );
 171
 172     len = sizeof(METARECORD) + 10 * sizeof(WORD) + infosize + imagesize;
 173     mr = (METARECORD *)HeapAlloc( GetProcessHeap(), 0, len );
 174     if(!mr) return 0;
 175
 176     mr->rdSize = len / 2;
 177     mr->rdFunction = META_STRETCHDIB;
 178     mr->rdParm[0] = LOWORD(dwRop);
 179     mr->rdParm[1] = HIWORD(dwRop);
 180     mr->rdParm[2] = wUsage;
 181     mr->rdParm[3] = (INT16)heightSrc;
 182     mr->rdParm[4] = (INT16)widthSrc;
 183     mr->rdParm[5] = (INT16)ySrc;
 184     mr->rdParm[6] = (INT16)xSrc;
 185     mr->rdParm[7] = (INT16)heightDst;
 186     mr->rdParm[8] = (INT16)widthDst;
 187     mr->rdParm[9] = (INT16)yDst;
 188     mr->rdParm[10] = (INT16)xDst;
 189     memcpy(mr->rdParm + 11, info, infosize);
 190     memcpy(mr->rdParm + 11 + infosize / 2, bits, imagesize);
 191     MFDRV_WriteRecord( dc, mr, mr->rdSize * 2 );
 192     HeapFree( GetProcessHeap(), 0, mr );
 193     return heightSrc;
 194 }
 195
 196
 197 /***********************************************************************
 198  *           MFDRV_SetDIBitsToDeivce
 199  */
 200 INT MFDRV_SetDIBitsToDevice( DC *dc, INT xDst, INT yDst, DWORD cx,
 201                              DWORD cy, INT xSrc, INT ySrc, UINT startscan,
 202                              UINT lines, LPCVOID bits, const BITMAPINFO *info,
 203                              UINT coloruse )
 204
 205 {
 206     DWORD len, infosize, imagesize;
 207     METARECORD *mr;
 208
 209     infosize = DIB_BitmapInfoSize(info, coloruse);
 210     imagesize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
 211                                       info->bmiHeader.biHeight,
 212                                       info->bmiHeader.biBitCount );
 213
 214     len = sizeof(METARECORD) + 8 * sizeof(WORD) + infosize + imagesize;
 215     mr = (METARECORD *)HeapAlloc( GetProcessHeap(), 0, len );
 216     if(!mr) return 0;
 217
 218     mr->rdSize = len / 2;
 219     mr->rdFunction = META_SETDIBTODEV;
 220     mr->rdParm[0] = coloruse;
 221     mr->rdParm[1] = lines;
 222     mr->rdParm[2] = startscan;
 223     mr->rdParm[3] = (INT16)ySrc;
 224     mr->rdParm[4] = (INT16)xSrc;
 225     mr->rdParm[5] = (INT16)cy;
 226     mr->rdParm[6] = (INT16)cx;
 227     mr->rdParm[7] = (INT16)yDst;
 228     mr->rdParm[8] = (INT16)xDst;
 229     memcpy(mr->rdParm + 9, info, infosize);
 230     memcpy(mr->rdParm + 9 + infosize / 2, bits, imagesize);
 231     MFDRV_WriteRecord( dc, mr, mr->rdSize * 2 );
 232     HeapFree( GetProcessHeap(), 0, mr );
 233     return lines;
 234 }
 235
 236