2 * GDI bit-blit operations
4 * Copyright 1993, 1994 Alexandre Julliard
10 #include "metafiledrv.h"
12 #include "debugtools.h"
15 DEFAULT_DEBUG_CHANNEL(metafile)
17 /***********************************************************************
20 BOOL MFDRV_PatBlt( DC *dc, INT left, INT top,
21 INT width, INT height, DWORD rop )
23 MFDRV_MetaParam6( dc, META_PATBLT, left, top, width, height,
24 HIWORD(rop), LOWORD(rop) );
29 /***********************************************************************
32 BOOL MFDRV_BitBlt( DC *dcDst, INT xDst, INT yDst, INT width, INT height,
33 DC *dcSrc, INT xSrc, INT ySrc, DWORD rop )
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)))
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,
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);
66 HeapFree( GetProcessHeap(), 0, mr);
72 /***********************************************************************
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
78 #define STRETCH_VIA_DIB
79 #undef STRETCH_VIA_DIB
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 )
89 #ifdef STRETCH_VIA_DIB
90 LPBITMAPINFOHEADER lpBMI;
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)))
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;
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 */
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,
120 (LPBITMAPINFO)lpBMI, DIB_RGB_COLORS))
122 len = sizeof(METARECORD) + 15 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
123 if (!(mr = HeapAlloc( GetProcessHeap(), 0, len )))
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,
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);
151 HeapFree( GetProcessHeap(), 0, mr);
156 /***********************************************************************
157 * MFDRV_StretchDIBits
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 )
164 DWORD len, infosize, imagesize;
167 infosize = DIB_BitmapInfoSize(info, wUsage);
168 imagesize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
169 info->bmiHeader.biHeight,
170 info->bmiHeader.biBitCount );
172 len = sizeof(METARECORD) + 10 * sizeof(WORD) + infosize + imagesize;
173 mr = (METARECORD *)HeapAlloc( GetProcessHeap(), 0, len );
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 );
197 /***********************************************************************
198 * MFDRV_SetDIBitsToDeivce
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,
206 DWORD len, infosize, imagesize;
209 infosize = DIB_BitmapInfoSize(info, coloruse);
210 imagesize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
211 info->bmiHeader.biHeight,
212 info->bmiHeader.biBitCount );
214 len = sizeof(METARECORD) + 8 * sizeof(WORD) + infosize + imagesize;
215 mr = (METARECORD *)HeapAlloc( GetProcessHeap(), 0, len );
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 );