2 * PostScript driver bitmap functions
4 * Copyright 1998 Huw D M Davies
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "wine/debug.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
30 /* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned. */
31 inline static int get_dib_width_bytes( int width, int depth )
37 case 1: words = (width + 31) / 32; break;
38 case 4: words = (width + 7) / 8; break;
39 case 8: words = (width + 3) / 4; break;
41 case 16: words = (width + 1) / 2; break;
42 case 24: words = (width * 3 + 3)/4; break;
44 WARN("(%d): Unsupported depth\n", depth );
46 case 32: words = width; break;
51 /* get the bitmap info from either an INFOHEADER or COREHEADER bitmap */
52 static BOOL get_bitmap_info( const void *ptr, LONG *width, LONG *height, WORD *bpp, WORD *compr )
54 const BITMAPINFOHEADER *header = ptr;
56 switch(header->biSize)
58 case sizeof(BITMAPCOREHEADER):
60 const BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)header;
61 *width = core->bcWidth;
62 *height = core->bcHeight;
63 *bpp = core->bcBitCount;
67 case sizeof(BITMAPINFOHEADER):
68 case sizeof(BITMAPV4HEADER):
69 case sizeof(BITMAPV5HEADER):
70 /* V4 and V5 structures are a superset of the INFOHEADER structure */
71 *width = header->biWidth;
72 *height = header->biHeight;
73 *bpp = header->biBitCount;
74 *compr = header->biCompression;
77 ERR("(%ld): unknown/wrong size for header\n", header->biSize );
83 /***************************************************************************
84 * PSDRV_WriteImageHeader
86 * Helper for PSDRV_StretchDIBits
89 * Uses level 2 PostScript
92 static BOOL PSDRV_WriteImageHeader(PSDRV_PDEVICE *physDev, const BITMAPINFO *info, INT xDst,
93 INT yDst, INT widthDst, INT heightDst,
94 INT widthSrc, INT heightSrc)
99 switch(info->bmiHeader.biBitCount) {
101 PSDRV_WriteIndexColorSpaceBegin(physDev, 255);
102 for(i = 0; i < 256; i++) {
103 map[i] = info->bmiColors[i].rgbRed |
104 info->bmiColors[i].rgbGreen << 8 |
105 info->bmiColors[i].rgbBlue << 16;
107 PSDRV_WriteRGB(physDev, map, 256);
108 PSDRV_WriteIndexColorSpaceEnd(physDev);
112 PSDRV_WriteIndexColorSpaceBegin(physDev, 15);
113 for(i = 0; i < 16; i++) {
114 map[i] = info->bmiColors[i].rgbRed |
115 info->bmiColors[i].rgbGreen << 8 |
116 info->bmiColors[i].rgbBlue << 16;
118 PSDRV_WriteRGB(physDev, map, 16);
119 PSDRV_WriteIndexColorSpaceEnd(physDev);
123 PSDRV_WriteIndexColorSpaceBegin(physDev, 1);
124 for(i = 0; i < 2; i++) {
125 map[i] = info->bmiColors[i].rgbRed |
126 info->bmiColors[i].rgbGreen << 8 |
127 info->bmiColors[i].rgbBlue << 16;
129 PSDRV_WriteRGB(physDev, map, 2);
130 PSDRV_WriteIndexColorSpaceEnd(physDev);
139 pscol.type = PSCOLOR_RGB;
140 pscol.value.rgb.r = pscol.value.rgb.g = pscol.value.rgb.b = 0.0;
141 PSDRV_WriteSetColor(physDev, &pscol);
146 FIXME("Not implemented yet\n");
151 PSDRV_WriteImageDict(physDev, info->bmiHeader.biBitCount, xDst, yDst,
152 widthDst, heightDst, widthSrc, heightSrc, NULL, FALSE);
157 /***************************************************************************
158 * PSDRV_WriteImageMaskHeader
160 * Helper for PSDRV_StretchDIBits
162 * We use the imagemask operator for 1bpp bitmaps since the output
163 * takes much less time for the printer to render.
166 * Uses level 2 PostScript
169 static BOOL PSDRV_WriteImageMaskHeader(PSDRV_PDEVICE *physDev, const BITMAPINFO *info, INT xDst,
170 INT yDst, INT widthDst, INT heightDst,
171 INT widthSrc, INT heightSrc)
174 PSCOLOR bkgnd, foregnd;
177 assert(info->bmiHeader.biBitCount == 1);
179 for(i = 0; i < 2; i++) {
180 map[i] = info->bmiColors[i].rgbRed |
181 info->bmiColors[i].rgbGreen << 8 |
182 info->bmiColors[i].rgbBlue << 16;
185 /* We'll write the mask with -ve polarity so that
186 the foregnd color corresponds to a bit equal to
189 PSDRV_CreateColor(physDev, &foregnd, map[0]);
190 PSDRV_CreateColor(physDev, &bkgnd, map[1]);
192 PSDRV_WriteGSave(physDev);
193 PSDRV_WriteNewPath(physDev);
194 PSDRV_WriteRectangle(physDev, xDst, yDst, widthDst, heightDst);
195 PSDRV_WriteSetColor(physDev, &bkgnd);
196 PSDRV_WriteFill(physDev);
197 PSDRV_WriteGRestore(physDev);
199 PSDRV_WriteSetColor(physDev, &foregnd);
200 PSDRV_WriteImageDict(physDev, 1, xDst, yDst, widthDst, heightDst,
201 widthSrc, heightSrc, NULL, TRUE);
207 /***************************************************************************
209 * PSDRV_StretchDIBits
212 * Doesn't work correctly if xSrc isn't byte aligned - this affects 1 and 4
214 * Compression not implemented.
216 INT PSDRV_StretchDIBits( PSDRV_PDEVICE *physDev, INT xDst, INT yDst, INT widthDst,
217 INT heightDst, INT xSrc, INT ySrc,
218 INT widthSrc, INT heightSrc, const void *bits,
219 const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
221 LONG fullSrcWidth, fullSrcHeight;
223 WORD bpp, compression;
228 TRACE("%p (%d,%d %dx%d) -> (%d,%d %dx%d)\n", physDev->hdc,
229 xSrc, ySrc, widthSrc, heightSrc, xDst, yDst, widthDst, heightDst);
231 if (!get_bitmap_info( info, &fullSrcWidth, &fullSrcHeight, &bpp, &compression )) return FALSE;
233 widthbytes = get_dib_width_bytes(fullSrcWidth, bpp);
235 TRACE("full size=%ldx%ld bpp=%d compression=%d rop=%08lx\n", fullSrcWidth,
236 fullSrcHeight, bpp, compression, dwRop);
239 if(compression != BI_RGB) {
240 FIXME("Compression not supported\n");
246 pt[1].x = xDst + widthDst;
247 pt[1].y = yDst + heightDst;
248 LPtoDP( physDev->hdc, pt, 2 );
251 widthDst = pt[1].x - pt[0].x;
252 heightDst = pt[1].y - pt[0].y;
257 PSDRV_SetClip(physDev);
258 PSDRV_WriteGSave(physDev);
260 /* Use imagemask rather than image */
261 PSDRV_WriteImageMaskHeader(physDev, info, xDst, yDst, widthDst, heightDst,
262 widthSrc, heightSrc);
264 ptr += (ySrc * widthbytes);
266 FIXME("This won't work...\n");
267 for(line = 0; line < heightSrc; line++, ptr += widthbytes)
268 PSDRV_WriteBytes(physDev, ptr + xSrc/8, (widthSrc+7)/8);
272 PSDRV_SetClip(physDev);
273 PSDRV_WriteGSave(physDev);
274 PSDRV_WriteImageHeader(physDev, info, xDst, yDst, widthDst, heightDst,
275 widthSrc, heightSrc);
277 ptr += (ySrc * widthbytes);
279 FIXME("This won't work...\n");
280 for(line = 0; line < heightSrc; line++, ptr += widthbytes)
281 PSDRV_WriteBytes(physDev, ptr + xSrc/2, (widthSrc+1)/2);
285 PSDRV_SetClip(physDev);
286 PSDRV_WriteGSave(physDev);
287 PSDRV_WriteImageHeader(physDev, info, xDst, yDst, widthDst, heightDst,
288 widthSrc, heightSrc);
290 ptr += (ySrc * widthbytes);
291 for(line = 0; line < heightSrc; line++, ptr += widthbytes)
292 PSDRV_WriteBytes(physDev, ptr + xSrc, widthSrc);
297 PSDRV_SetClip(physDev);
298 PSDRV_WriteGSave(physDev);
299 PSDRV_WriteImageHeader(physDev, info, xDst, yDst, widthDst, heightDst,
300 widthSrc, heightSrc);
303 ptr += (ySrc * widthbytes);
304 for(line = 0; line < heightSrc; line++, ptr += widthbytes)
305 PSDRV_WriteDIBits16(physDev, (WORD *)ptr + xSrc, widthSrc);
309 PSDRV_SetClip(physDev);
310 PSDRV_WriteGSave(physDev);
311 PSDRV_WriteImageHeader(physDev, info, xDst, yDst, widthDst, heightDst,
312 widthSrc, heightSrc);
315 ptr += (ySrc * widthbytes);
316 for(line = 0; line < heightSrc; line++, ptr += widthbytes)
317 PSDRV_WriteDIBits24(physDev, ptr + xSrc * 3, widthSrc);
321 PSDRV_SetClip(physDev);
322 PSDRV_WriteGSave(physDev);
323 PSDRV_WriteImageHeader(physDev, info, xDst, yDst, widthDst, heightDst,
324 widthSrc, heightSrc);
327 ptr += (ySrc * widthbytes);
328 for(line = 0; line < heightSrc; line++, ptr += widthbytes)
329 PSDRV_WriteDIBits32(physDev, ptr + xSrc * 3, widthSrc);
333 FIXME("Unsupported depth\n");
337 PSDRV_WriteSpool(physDev, ">\n", 2); /* End-of-Data for /HexASCIIDecodeFilter */
338 PSDRV_WriteGRestore(physDev);
339 PSDRV_ResetClip(physDev);