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Properly resize the buffer based on ERROR_MORE_DATA.
[wine/multimedia.git] / dlls / x11drv / dib.c
blob7893cb33fb891fab82bd1dd064bd5ce54cf08dfd
1 /*
2 * X11DRV device-independent bitmaps
3 *
4 * Copyright 1993,1994 Alexandre Julliard
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include "config.h"
22
23 #include <X11/Xlib.h>
24 #ifdef HAVE_LIBXXSHM
25 #include <X11/extensions/XShm.h>
26 # ifdef HAVE_SYS_SHM_H
27 # include <sys/shm.h>
28 # endif
29 # ifdef HAVE_SYS_IPC_H
30 # include <sys/ipc.h>
31 # endif
32 #endif /* defined(HAVE_LIBXXSHM) */
33
34 #include <stdarg.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include "windef.h"
38 #include "winbase.h"
39 #include "wingdi.h"
40 #include "x11drv.h"
41 #include "excpt.h"
42 #include "wine/debug.h"
43
44 WINE_DEFAULT_DEBUG_CHANNEL(bitmap);
45 WINE_DECLARE_DEBUG_CHANNEL(x11drv);
46
47 static struct list dibs_list = LIST_INIT(dibs_list);
48
49 static CRITICAL_SECTION dibs_cs;
50 static CRITICAL_SECTION_DEBUG dibs_cs_debug =
51 {
52 0, 0, &dibs_cs,
53 { &dibs_cs_debug.ProcessLocksList, &dibs_cs_debug.ProcessLocksList },
54 0, 0, { 0, (DWORD)(__FILE__ ": dibs_cs") }
55 };
56 static CRITICAL_SECTION dibs_cs = { &dibs_cs_debug, -1, 0, 0, 0, 0 };
57
58 static PVOID dibs_handler;
59
60 static int ximageDepthTable[32];
61
62 /* This structure holds the arguments for DIB_SetImageBits() */
63 typedef struct
64 {
65 X11DRV_PDEVICE *physDev;
66 LPCVOID bits;
67 XImage *image;
68 PALETTEENTRY *palentry;
69 int lines;
70 DWORD infoWidth;
71 WORD depth;
72 WORD infoBpp;
73 WORD compression;
74 RGBQUAD *colorMap;
75 int nColorMap;
76 Drawable drawable;
77 GC gc;
78 int xSrc;
79 int ySrc;
80 int xDest;
81 int yDest;
82 int width;
83 int height;
84 DWORD rMask;
85 DWORD gMask;
86 DWORD bMask;
87 BOOL useShm;
88 int dibpitch;
89 DWORD sizeImage;
90 } X11DRV_DIB_IMAGEBITS_DESCR;
91
92
93 enum Rle_EscapeCodes
94 {
95 RLE_EOL = 0, /* End of line */
96 RLE_END = 1, /* End of bitmap */
97 RLE_DELTA = 2 /* Delta */
98 };
99
100
101 static INT X11DRV_DIB_Coerce(X_PHYSBITMAP *,INT,BOOL);
102 static INT X11DRV_DIB_Lock(X_PHYSBITMAP *,INT,BOOL);
103 static void X11DRV_DIB_Unlock(X_PHYSBITMAP *,BOOL);
104
105 /*
106 Some of the following helper functions are duplicated in
107 dlls/gdi/dib.c
108 */
109
110 /***********************************************************************
111 * X11DRV_DIB_GetXImageWidthBytes
112 *
113 * Return the width of an X image in bytes
114 */
115 inline static int X11DRV_DIB_GetXImageWidthBytes( int width, int depth )
116 {
117 if (!depth || depth > 32) goto error;
118
119 if (!ximageDepthTable[depth-1])
120 {
121 XImage *testimage = XCreateImage( gdi_display, visual, depth,
122 ZPixmap, 0, NULL, 1, 1, 32, 20 );
123 if (testimage)
124 {
125 ximageDepthTable[depth-1] = testimage->bits_per_pixel;
126 XDestroyImage( testimage );
127 }
128 else ximageDepthTable[depth-1] = -1;
129 }
130 if (ximageDepthTable[depth-1] != -1)
131 return (4 * ((width * ximageDepthTable[depth-1] + 31) / 32));
132
133 error:
134 WARN( "(%d): Unsupported depth\n", depth );
135 return 4 * width;
136 }
137
138
139 /***********************************************************************
140 * X11DRV_DIB_GetDIBWidthBytes
141 *
142 * Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
143 */
144 static int X11DRV_DIB_GetDIBWidthBytes( int width, int depth )
145 {
146 int words;
147
148 switch(depth)
149 {
150 case 1: words = (width + 31) / 32; break;
151 case 4: words = (width + 7) / 8; break;
152 case 8: words = (width + 3) / 4; break;
153 case 15:
154 case 16: words = (width + 1) / 2; break;
155 case 24: words = (width * 3 + 3) / 4; break;
156 default:
157 WARN("(%d): Unsupported depth\n", depth );
158 /* fall through */
159 case 32:
160 words = width;
161 }
162 return 4 * words;
163 }
164
165
166 /***********************************************************************
167 * X11DRV_DIB_GetDIBImageBytes
168 *
169 * Return the number of bytes used to hold the image in a DIB bitmap.
170 */
171 static int X11DRV_DIB_GetDIBImageBytes( int width, int height, int depth )
172 {
173 return X11DRV_DIB_GetDIBWidthBytes( width, depth ) * abs( height );
174 }
175
176
177 /***********************************************************************
178 * X11DRV_DIB_BitmapInfoSize
179 *
180 * Return the size of the bitmap info structure including color table.
181 */
182 int X11DRV_DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse )
183 {
184 unsigned int colors;
185
186 if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
187 {
188 const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)info;
189 colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
190 return sizeof(BITMAPCOREHEADER) + colors *
191 ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
192 }
193 else /* assume BITMAPINFOHEADER */
194 {
195 colors = info->bmiHeader.biClrUsed;
196 if (!colors && (info->bmiHeader.biBitCount <= 8))
197 colors = 1 << info->bmiHeader.biBitCount;
198 return sizeof(BITMAPINFOHEADER) + colors *
199 ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
200 }
201 }
202
203
204 /***********************************************************************
205 * X11DRV_DIB_CreateXImage
206 *
207 * Create an X image.
208 */
209 XImage *X11DRV_DIB_CreateXImage( int width, int height, int depth )
210 {
211 int width_bytes;
212 XImage *image;
213
214 wine_tsx11_lock();
215 width_bytes = X11DRV_DIB_GetXImageWidthBytes( width, depth );
216 image = XCreateImage( gdi_display, visual, depth, ZPixmap, 0,
217 calloc( height, width_bytes ),
218 width, height, 32, width_bytes );
219 wine_tsx11_unlock();
220 return image;
221 }
222
223
224 /***********************************************************************
225 * DIB_GetBitmapInfoEx
226 *
227 * Get the info from a bitmap header.
228 * Return 1 for INFOHEADER, 0 for COREHEADER, -1 for error.
229 */
230 static int DIB_GetBitmapInfoEx( const BITMAPINFOHEADER *header, LONG *width,
231 LONG *height, WORD *planes, WORD *bpp,
232 WORD *compr, DWORD *size )
233 {
234 if (header->biSize == sizeof(BITMAPCOREHEADER))
235 {
236 const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)header;
237 *width = core->bcWidth;
238 *height = core->bcHeight;
239 *planes = core->bcPlanes;
240 *bpp = core->bcBitCount;
241 *compr = 0;
242 *size = 0;
243 return 0;
244 }
245 if (header->biSize >= sizeof(BITMAPINFOHEADER))
246 {
247 *width = header->biWidth;
248 *height = header->biHeight;
249 *planes = header->biPlanes;
250 *bpp = header->biBitCount;
251 *compr = header->biCompression;
252 *size = header->biSizeImage;
253 return 1;
254 }
255 ERR("(%ld): unknown/wrong size for header\n", header->biSize );
256 return -1;
257 }
258
259
260 /***********************************************************************
261 * DIB_GetBitmapInfo
262 *
263 * Get the info from a bitmap header.
264 * Return 1 for INFOHEADER, 0 for COREHEADER, -1 for error.
265 */
266 static int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
267 LONG *height, WORD *bpp, WORD *compr )
268 {
269 WORD planes;
270 DWORD size;
271
272 return DIB_GetBitmapInfoEx( header, width, height, &planes, bpp, compr, &size);
273 }
274
275
276 /***********************************************************************
277 * X11DRV_DIB_GenColorMap
278 *
279 * Fills the color map of a bitmap palette. Should not be called
280 * for a >8-bit deep bitmap.
281 */
282 int *X11DRV_DIB_GenColorMap( X11DRV_PDEVICE *physDev, int *colorMapping,
283 WORD coloruse, WORD depth, BOOL quads,
284 const void *colorPtr, int start, int end )
285 {
286 int i;
287
288 if (coloruse == DIB_RGB_COLORS)
289 {
290 if (quads)
291 {
292 const RGBQUAD * rgb = (const RGBQUAD *)colorPtr;
293
294 if (depth == 1) /* Monochrome */
295 for (i = start; i < end; i++, rgb++)
296 colorMapping[i] = (rgb->rgbRed + rgb->rgbGreen +
297 rgb->rgbBlue > 255*3/2);
298 else
299 for (i = start; i < end; i++, rgb++)
300 colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, RGB(rgb->rgbRed,
301 rgb->rgbGreen,
302 rgb->rgbBlue));
303 }
304 else
305 {
306 const RGBTRIPLE * rgb = (const RGBTRIPLE *)colorPtr;
307
308 if (depth == 1) /* Monochrome */
309 for (i = start; i < end; i++, rgb++)
310 colorMapping[i] = (rgb->rgbtRed + rgb->rgbtGreen +
311 rgb->rgbtBlue > 255*3/2);
312 else
313 for (i = start; i < end; i++, rgb++)
314 colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, RGB(rgb->rgbtRed,
315 rgb->rgbtGreen,
316 rgb->rgbtBlue));
317 }
318 }
319 else /* DIB_PAL_COLORS */
320 {
321 if (colorPtr) {
322 const WORD * index = (const WORD *)colorPtr;
323
324 for (i = start; i < end; i++, index++)
325 colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, PALETTEINDEX(*index) );
326 } else {
327 for (i = start; i < end; i++)
328 colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, PALETTEINDEX(i) );
329 }
330 }
331
332 return colorMapping;
333 }
334
335 /***********************************************************************
336 * X11DRV_DIB_BuildColorMap
337 *
338 * Build the color map from the bitmap palette. Should not be called
339 * for a >8-bit deep bitmap.
340 */
341 int *X11DRV_DIB_BuildColorMap( X11DRV_PDEVICE *physDev, WORD coloruse, WORD depth,
342 const BITMAPINFO *info, int *nColors )
343 {
344 unsigned int colors;
345 BOOL isInfo;
346 const void *colorPtr;
347 int *colorMapping;
348
349 isInfo = info->bmiHeader.biSize != sizeof(BITMAPCOREHEADER);
350
351 if (isInfo)
352 {
353 colors = info->bmiHeader.biClrUsed;
354 if (!colors) colors = 1 << info->bmiHeader.biBitCount;
355 }
356 else
357 {
358 colors = 1 << ((const BITMAPCOREHEADER *)info)->bcBitCount;
359 }
360
361 colorPtr = (const BYTE*) info + (WORD) info->bmiHeader.biSize;
362
363 if (colors > 256)
364 {
365 ERR("called with >256 colors!\n");
366 return NULL;
367 }
368
369 /* just so CopyDIBSection doesn't have to create an identity palette */
370 if (coloruse == (WORD)-1) colorPtr = NULL;
371
372 if (!(colorMapping = HeapAlloc(GetProcessHeap(), 0, colors * sizeof(int) )))
373 return NULL;
374
375 *nColors = colors;
376 return X11DRV_DIB_GenColorMap( physDev, colorMapping, coloruse, depth,
377 isInfo, colorPtr, 0, colors);
378 }
379
380 /***********************************************************************
381 * X11DRV_DIB_BuildColorTable
382 *
383 * Build the dib color table. This either keeps a copy of the bmiColors array if
384 * usage is DIB_RGB_COLORS, or looks up the palette indicies if usage is
385 * DIB_PAL_COLORS.
386 * Should not be called for a >8-bit deep bitmap.
387 */
388 static RGBQUAD *X11DRV_DIB_BuildColorTable( X11DRV_PDEVICE *physDev, WORD coloruse, WORD depth,
389 const BITMAPINFO *info )
390 {
391 RGBQUAD *colorTable;
392 unsigned int colors;
393 int i;
394 BOOL core_info = info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER);
395
396 if (core_info)
397 {
398 colors = 1 << ((const BITMAPCOREINFO*) info)->bmciHeader.bcBitCount;
399 }
400 else
401 {
402 colors = info->bmiHeader.biClrUsed;
403 if (!colors) colors = 1 << info->bmiHeader.biBitCount;
404 }
405
406 if (colors > 256) {
407 ERR("called with >256 colors!\n");
408 return NULL;
409 }
410
411 if (!(colorTable = HeapAlloc(GetProcessHeap(), 0, colors * sizeof(RGBQUAD) )))
412 return NULL;
413
414 if(coloruse == DIB_RGB_COLORS)
415 {
416 if (core_info)
417 {
418 /* Convert RGBTRIPLEs to RGBQUADs */
419 for (i=0; i < colors; i++)
420 {
421 colorTable[i].rgbRed = ((const BITMAPCOREINFO*) info)->bmciColors[i].rgbtRed;
422 colorTable[i].rgbGreen = ((const BITMAPCOREINFO*) info)->bmciColors[i].rgbtGreen;
423 colorTable[i].rgbBlue = ((const BITMAPCOREINFO*) info)->bmciColors[i].rgbtBlue;
424 colorTable[i].rgbReserved = 0;
425 }
426 }
427 else
428 {
429 memcpy(colorTable, (const BYTE*) info + (WORD) info->bmiHeader.biSize, colors * sizeof(RGBQUAD));
430 }
431 }
432 else
433 {
434 HPALETTE hpal = GetCurrentObject(physDev->hdc, OBJ_PAL);
435 PALETTEENTRY * pal_ents;
436 const WORD *index = (const WORD*) ((const BYTE*) info + (WORD) info->bmiHeader.biSize);
437 int logcolors, entry;
438
439 logcolors = GetPaletteEntries( hpal, 0, 0, NULL );
440 pal_ents = HeapAlloc(GetProcessHeap(), 0, logcolors * sizeof(*pal_ents));
441 logcolors = GetPaletteEntries( hpal, 0, logcolors, pal_ents );
442
443 for(i = 0; i < colors; i++, index++)
444 {
445 entry = *index % logcolors;
446 colorTable[i].rgbRed = pal_ents[entry].peRed;
447 colorTable[i].rgbGreen = pal_ents[entry].peGreen;
448 colorTable[i].rgbBlue = pal_ents[entry].peBlue;
449 colorTable[i].rgbReserved = 0;
450 }
451
452 HeapFree(GetProcessHeap(), 0, pal_ents);
453 }
454 return colorTable;
455 }
456
457
458 /***********************************************************************
459 * X11DRV_DIB_MapColor
460 */
461 int X11DRV_DIB_MapColor( int *physMap, int nPhysMap, int phys, int oldcol )
462 {
463 unsigned int color;
464
465 if ((oldcol < nPhysMap) && (physMap[oldcol] == phys))
466 return oldcol;
467
468 for (color = 0; color < nPhysMap; color++)
469 if (physMap[color] == phys)
470 return color;
471
472 WARN("Strange color %08x\n", phys);
473 return 0;
474 }
475
476
477 /*********************************************************************
478 * X11DRV_DIB_GetNearestIndex
479 *
480 * Helper for X11DRV_DIB_GetDIBits.
481 * Returns the nearest colour table index for a given RGB.
482 * Nearest is defined by minimizing the sum of the squares.
483 */
484 static INT X11DRV_DIB_GetNearestIndex(RGBQUAD *colormap, int numColors, BYTE r, BYTE g, BYTE b)
485 {
486 INT i, best = -1, diff, bestdiff = -1;
487 RGBQUAD *color;
488
489 for(color = colormap, i = 0; i < numColors; color++, i++) {
490 diff = (r - color->rgbRed) * (r - color->rgbRed) +
491 (g - color->rgbGreen) * (g - color->rgbGreen) +
492 (b - color->rgbBlue) * (b - color->rgbBlue);
493 if(diff == 0)
494 return i;
495 if(best == -1 || diff < bestdiff) {
496 best = i;
497 bestdiff = diff;
498 }
499 }
500 return best;
501 }
502 /*********************************************************************
503 * X11DRV_DIB_MaskToShift
504 *
505 * Helper for X11DRV_DIB_GetDIBits.
506 * Returns the by how many bits to shift a given color so that it is
507 * in the proper position.
508 */
509 INT X11DRV_DIB_MaskToShift(DWORD mask)
510 {
511 int shift;
512
513 if (mask==0)
514 return 0;
515
516 shift=0;
517 while ((mask&1)==0) {
518 mask>>=1;
519 shift++;
520 }
521 return shift;
522 }
523
524 /***********************************************************************
525 * X11DRV_DIB_SetImageBits_1
526 *
527 * SetDIBits for a 1-bit deep DIB.
528 */
529 static void X11DRV_DIB_SetImageBits_1( int lines, const BYTE *srcbits,
530 DWORD srcwidth, DWORD dstwidth, int left,
531 int *colors, XImage *bmpImage, DWORD linebytes)
532 {
533 int h, width;
534 const BYTE* srcbyte;
535 BYTE srcval, extra;
536 DWORD i, x;
537
538 if (lines < 0 ) {
539 lines = -lines;
540 srcbits = srcbits + linebytes * (lines - 1);
541 linebytes = -linebytes;
542 }
543
544 if ((extra = (left & 7)) != 0) {
545 left &= ~7;
546 dstwidth += extra;
547 }
548 srcbits += left >> 3;
549 width = min(srcwidth, dstwidth);
550
551 /* ==== pal 1 dib -> any bmp format ==== */
552 for (h = lines-1; h >=0; h--) {
553 srcbyte=srcbits;
554 /* FIXME: should avoid putting x<left pixels (minor speed issue) */
555 for (i = width/8, x = left; i > 0; i--) {
556 srcval=*srcbyte++;
557 XPutPixel( bmpImage, x++, h, colors[ srcval >> 7] );
558 XPutPixel( bmpImage, x++, h, colors[(srcval >> 6) & 1] );
559 XPutPixel( bmpImage, x++, h, colors[(srcval >> 5) & 1] );
560 XPutPixel( bmpImage, x++, h, colors[(srcval >> 4) & 1] );
561 XPutPixel( bmpImage, x++, h, colors[(srcval >> 3) & 1] );
562 XPutPixel( bmpImage, x++, h, colors[(srcval >> 2) & 1] );
563 XPutPixel( bmpImage, x++, h, colors[(srcval >> 1) & 1] );
564 XPutPixel( bmpImage, x++, h, colors[ srcval & 1] );
565 }
566 if (width % 8){
567 srcval=*srcbyte;
568 switch (width & 7)
569 {
570 case 7: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
571 case 6: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
572 case 5: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
573 case 4: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
574 case 3: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
575 case 2: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1;
576 case 1: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]);
577 }
578 }
579 srcbits += linebytes;
580 }
581 }
582
583 /***********************************************************************
584 * X11DRV_DIB_GetImageBits_1
585 *
586 * GetDIBits for a 1-bit deep DIB.
587 */
588 static void X11DRV_DIB_GetImageBits_1( int lines, BYTE *dstbits,
589 DWORD dstwidth, DWORD srcwidth,
590 RGBQUAD *colors, PALETTEENTRY *srccolors,
591 XImage *bmpImage, DWORD linebytes )
592 {
593 DWORD x;
594 int h, width = min(dstwidth, srcwidth);
595
596 if (lines < 0 ) {
597 lines = -lines;
598 dstbits = dstbits + linebytes * (lines - 1);
599 linebytes = -linebytes;
600 }
601
602 switch (bmpImage->depth)
603 {
604 case 1:
605 case 4:
606 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
607 /* ==== pal 1 or 4 bmp -> pal 1 dib ==== */
608 BYTE* dstbyte;
609
610 for (h=lines-1; h>=0; h--) {
611 BYTE dstval;
612 dstbyte=dstbits;
613 dstval=0;
614 for (x=0; x<width; x++) {
615 PALETTEENTRY srcval;
616 srcval=srccolors[XGetPixel(bmpImage, x, h)];
617 dstval|=(X11DRV_DIB_GetNearestIndex
618 (colors, 2,
619 srcval.peRed,
620 srcval.peGreen,
621 srcval.peBlue) << (7 - (x & 7)));
622 if ((x&7)==7) {
623 *dstbyte++=dstval;
624 dstval=0;
625 }
626 }
627 if ((width&7)!=0) {
628 *dstbyte=dstval;
629 }
630 dstbits += linebytes;
631 }
632 } else {
633 goto notsupported;
634 }
635 break;
636
637 case 8:
638 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
639 /* ==== pal 8 bmp -> pal 1 dib ==== */
640 const void* srcbits;
641 const BYTE* srcpixel;
642 BYTE* dstbyte;
643
644 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
645
646 for (h=0; h<lines; h++) {
647 BYTE dstval;
648 srcpixel=srcbits;
649 dstbyte=dstbits;
650 dstval=0;
651 for (x=0; x<width; x++) {
652 PALETTEENTRY srcval;
653 srcval=srccolors[(int)*srcpixel++];
654 dstval|=(X11DRV_DIB_GetNearestIndex
655 (colors, 2,
656 srcval.peRed,
657 srcval.peGreen,
658 srcval.peBlue) << (7-(x&7)) );
659 if ((x&7)==7) {
660 *dstbyte++=dstval;
661 dstval=0;
662 }
663 }
664 if ((width&7)!=0) {
665 *dstbyte=dstval;
666 }
667 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
668 dstbits += linebytes;
669 }
670 } else {
671 goto notsupported;
672 }
673 break;
674
675 case 15:
676 case 16:
677 {
678 const void* srcbits;
679 const WORD* srcpixel;
680 BYTE* dstbyte;
681
682 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
683
684 if (bmpImage->green_mask==0x03e0) {
685 if (bmpImage->red_mask==0x7c00) {
686 /* ==== rgb 555 bmp -> pal 1 dib ==== */
687 for (h=0; h<lines; h++) {
688 BYTE dstval;
689 srcpixel=srcbits;
690 dstbyte=dstbits;
691 dstval=0;
692 for (x=0; x<width; x++) {
693 WORD srcval;
694 srcval=*srcpixel++;
695 dstval|=(X11DRV_DIB_GetNearestIndex
696 (colors, 2,
697 ((srcval >> 7) & 0xf8) | /* r */
698 ((srcval >> 12) & 0x07),
699 ((srcval >> 2) & 0xf8) | /* g */
700 ((srcval >> 7) & 0x07),
701 ((srcval << 3) & 0xf8) | /* b */
702 ((srcval >> 2) & 0x07) ) << (7-(x&7)) );
703 if ((x&7)==7) {
704 *dstbyte++=dstval;
705 dstval=0;
706 }
707 }
708 if ((width&7)!=0) {
709 *dstbyte=dstval;
710 }
711 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
712 dstbits += linebytes;
713 }
714 } else if (bmpImage->blue_mask==0x7c00) {
715 /* ==== bgr 555 bmp -> pal 1 dib ==== */
716 for (h=0; h<lines; h++) {
717 WORD dstval;
718 srcpixel=srcbits;
719 dstbyte=dstbits;
720 dstval=0;
721 for (x=0; x<width; x++) {
722 BYTE srcval;
723 srcval=*srcpixel++;
724 dstval|=(X11DRV_DIB_GetNearestIndex
725 (colors, 2,
726 ((srcval << 3) & 0xf8) | /* r */
727 ((srcval >> 2) & 0x07),
728 ((srcval >> 2) & 0xf8) | /* g */
729 ((srcval >> 7) & 0x07),
730 ((srcval >> 7) & 0xf8) | /* b */
731 ((srcval >> 12) & 0x07) ) << (7-(x&7)) );
732 if ((x&7)==7) {
733 *dstbyte++=dstval;
734 dstval=0;
735 }
736 }
737 if ((width&7)!=0) {
738 *dstbyte=dstval;
739 }
740 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
741 dstbits += linebytes;
742 }
743 } else {
744 goto notsupported;
745 }
746 } else if (bmpImage->green_mask==0x07e0) {
747 if (bmpImage->red_mask==0xf800) {
748 /* ==== rgb 565 bmp -> pal 1 dib ==== */
749 for (h=0; h<lines; h++) {
750 BYTE dstval;
751 srcpixel=srcbits;
752 dstbyte=dstbits;
753 dstval=0;
754 for (x=0; x<width; x++) {
755 WORD srcval;
756 srcval=*srcpixel++;
757 dstval|=(X11DRV_DIB_GetNearestIndex
758 (colors, 2,
759 ((srcval >> 8) & 0xf8) | /* r */
760 ((srcval >> 13) & 0x07),
761 ((srcval >> 3) & 0xfc) | /* g */
762 ((srcval >> 9) & 0x03),
763 ((srcval << 3) & 0xf8) | /* b */
764 ((srcval >> 2) & 0x07) ) << (7-(x&7)) );
765 if ((x&7)==7) {
766 *dstbyte++=dstval;
767 dstval=0;
768 }
769 }
770 if ((width&7)!=0) {
771 *dstbyte=dstval;
772 }
773 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
774 dstbits += linebytes;
775 }
776 } else if (bmpImage->blue_mask==0xf800) {
777 /* ==== bgr 565 bmp -> pal 1 dib ==== */
778 for (h=0; h<lines; h++) {
779 BYTE dstval;
780 srcpixel=srcbits;
781 dstbyte=dstbits;
782 dstval=0;
783 for (x=0; x<width; x++) {
784 WORD srcval;
785 srcval=*srcpixel++;
786 dstval|=(X11DRV_DIB_GetNearestIndex
787 (colors, 2,
788 ((srcval << 3) & 0xf8) | /* r */
789 ((srcval >> 2) & 0x07),
790 ((srcval >> 3) & 0xfc) | /* g */
791 ((srcval >> 9) & 0x03),
792 ((srcval >> 8) & 0xf8) | /* b */
793 ((srcval >> 13) & 0x07) ) << (7-(x&7)) );
794 if ((x&7)==7) {
795 *dstbyte++=dstval;
796 dstval=0;
797 }
798 }
799 if ((width&7)!=0) {
800 *dstbyte=dstval;
801 }
802 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
803 dstbits += linebytes;
804 }
805 } else {
806 goto notsupported;
807 }
808 } else {
809 goto notsupported;
810 }
811 }
812 break;
813
814 case 24:
815 case 32:
816 {
817 const void* srcbits;
818 const BYTE *srcbyte;
819 BYTE* dstbyte;
820 int bytes_per_pixel;
821
822 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
823 bytes_per_pixel=(bmpImage->bits_per_pixel==24?3:4);
824
825 if (bmpImage->green_mask!=0x00ff00 ||
826 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
827 goto notsupported;
828 } else if (bmpImage->blue_mask==0xff) {
829 /* ==== rgb 888 or 0888 bmp -> pal 1 dib ==== */
830 for (h=0; h<lines; h++) {
831 BYTE dstval;
832 srcbyte=srcbits;
833 dstbyte=dstbits;
834 dstval=0;
835 for (x=0; x<width; x++) {
836 dstval|=(X11DRV_DIB_GetNearestIndex
837 (colors, 2,
838 srcbyte[2],
839 srcbyte[1],
840 srcbyte[0]) << (7-(x&7)) );
841 srcbyte+=bytes_per_pixel;
842 if ((x&7)==7) {
843 *dstbyte++=dstval;
844 dstval=0;
845 }
846 }
847 if ((width&7)!=0) {
848 *dstbyte=dstval;
849 }
850 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
851 dstbits += linebytes;
852 }
853 } else {
854 /* ==== bgr 888 or 0888 bmp -> pal 1 dib ==== */
855 for (h=0; h<lines; h++) {
856 BYTE dstval;
857 srcbyte=srcbits;
858 dstbyte=dstbits;
859 dstval=0;
860 for (x=0; x<width; x++) {
861 dstval|=(X11DRV_DIB_GetNearestIndex
862 (colors, 2,
863 srcbyte[0],
864 srcbyte[1],
865 srcbyte[2]) << (7-(x&7)) );
866 srcbyte+=bytes_per_pixel;
867 if ((x&7)==7) {
868 *dstbyte++=dstval;
869 dstval=0;
870 }
871 }
872 if ((width&7)!=0) {
873 *dstbyte=dstval;
874 }
875 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
876 dstbits += linebytes;
877 }
878 }
879 }
880 break;
881
882 default:
883 notsupported:
884 {
885 BYTE* dstbyte;
886 unsigned long white = (1 << bmpImage->bits_per_pixel) - 1;
887
888 /* ==== any bmp format -> pal 1 dib ==== */
889 WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 1 bit DIB\n",
890 bmpImage->bits_per_pixel, bmpImage->red_mask,
891 bmpImage->green_mask, bmpImage->blue_mask );
892
893 for (h=lines-1; h>=0; h--) {
894 BYTE dstval;
895 dstbyte=dstbits;
896 dstval=0;
897 for (x=0; x<width; x++) {
898 dstval|=(XGetPixel( bmpImage, x, h) >= white) << (7 - (x&7));
899 if ((x&7)==7) {
900 *dstbyte++=dstval;
901 dstval=0;
902 }
903 }
904 if ((width&7)!=0) {
905 *dstbyte=dstval;
906 }
907 dstbits += linebytes;
908 }
909 }
910 break;
911 }
912 }
913
914 /***********************************************************************
915 * X11DRV_DIB_SetImageBits_4
916 *
917 * SetDIBits for a 4-bit deep DIB.
918 */
919 static void X11DRV_DIB_SetImageBits_4( int lines, const BYTE *srcbits,
920 DWORD srcwidth, DWORD dstwidth, int left,
921 int *colors, XImage *bmpImage, DWORD linebytes)
922 {
923 int h, width;
924 const BYTE* srcbyte;
925 DWORD i, x;
926
927 if (lines < 0 ) {
928 lines = -lines;
929 srcbits = srcbits + linebytes * (lines - 1);
930 linebytes = -linebytes;
931 }
932
933 if (left & 1) {
934 left--;
935 dstwidth++;
936 }
937 srcbits += left >> 1;
938 width = min(srcwidth, dstwidth);
939
940 /* ==== pal 4 dib -> any bmp format ==== */
941 for (h = lines-1; h >= 0; h--) {
942 srcbyte=srcbits;
943 for (i = width/2, x = left; i > 0; i--) {
944 BYTE srcval=*srcbyte++;
945 XPutPixel( bmpImage, x++, h, colors[srcval >> 4] );
946 XPutPixel( bmpImage, x++, h, colors[srcval & 0x0f] );
947 }
948 if (width & 1)
949 XPutPixel( bmpImage, x, h, colors[*srcbyte >> 4] );
950 srcbits += linebytes;
951 }
952 }
953
954
955
956 /***********************************************************************
957 * X11DRV_DIB_GetImageBits_4
958 *
959 * GetDIBits for a 4-bit deep DIB.
960 */
961 static void X11DRV_DIB_GetImageBits_4( int lines, BYTE *dstbits,
962 DWORD srcwidth, DWORD dstwidth,
963 RGBQUAD *colors, PALETTEENTRY *srccolors,
964 XImage *bmpImage, DWORD linebytes )
965 {
966 DWORD x;
967 int h, width = min(srcwidth, dstwidth);
968 BYTE *bits;
969
970 if (lines < 0 )
971 {
972 lines = -lines;
973 dstbits = dstbits + ( linebytes * (lines-1) );
974 linebytes = -linebytes;
975 }
976
977 bits = dstbits;
978
979 switch (bmpImage->depth) {
980 case 1:
981 case 4:
982 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
983 /* ==== pal 1 or 4 bmp -> pal 4 dib ==== */
984 BYTE* dstbyte;
985
986 for (h = lines-1; h >= 0; h--) {
987 BYTE dstval;
988 dstbyte=dstbits;
989 dstval=0;
990 for (x = 0; x < width; x++) {
991 PALETTEENTRY srcval;
992 srcval=srccolors[XGetPixel(bmpImage, x, h)];
993 dstval|=(X11DRV_DIB_GetNearestIndex
994 (colors, 16,
995 srcval.peRed,
996 srcval.peGreen,
997 srcval.peBlue) << (4-((x&1)<<2)));
998 if ((x&1)==1) {
999 *dstbyte++=dstval;
1000 dstval=0;
1001 }
1002 }
1003 if ((width&1)!=0) {
1004 *dstbyte=dstval;
1005 }
1006 dstbits += linebytes;
1007 }
1008 } else {
1009 goto notsupported;
1010 }
1011 break;
1012
1013 case 8:
1014 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
1015 /* ==== pal 8 bmp -> pal 4 dib ==== */
1016 const void* srcbits;
1017 const BYTE *srcpixel;
1018 BYTE* dstbyte;
1019
1020 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
1021 for (h=0; h<lines; h++) {
1022 BYTE dstval;
1023 srcpixel=srcbits;
1024 dstbyte=dstbits;
1025 dstval=0;
1026 for (x=0; x<width; x++) {
1027 PALETTEENTRY srcval;
1028 srcval = srccolors[(int)*srcpixel++];
1029 dstval|=(X11DRV_DIB_GetNearestIndex
1030 (colors, 16,
1031 srcval.peRed,
1032 srcval.peGreen,
1033 srcval.peBlue) << (4*(1-(x&1))) );
1034 if ((x&1)==1) {
1035 *dstbyte++=dstval;
1036 dstval=0;
1037 }
1038 }
1039 if ((width&1)!=0) {
1040 *dstbyte=dstval;
1041 }
1042 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1043 dstbits += linebytes;
1044 }
1045 } else {
1046 goto notsupported;
1047 }
1048 break;
1049
1050 case 15:
1051 case 16:
1052 {
1053 const void* srcbits;
1054 const WORD* srcpixel;
1055 BYTE* dstbyte;
1056
1057 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
1058
1059 if (bmpImage->green_mask==0x03e0) {
1060 if (bmpImage->red_mask==0x7c00) {
1061 /* ==== rgb 555 bmp -> pal 4 dib ==== */
1062 for (h=0; h<lines; h++) {
1063 BYTE dstval;
1064 srcpixel=srcbits;
1065 dstbyte=dstbits;
1066 dstval=0;
1067 for (x=0; x<width; x++) {
1068 WORD srcval;
1069 srcval=*srcpixel++;
1070 dstval|=(X11DRV_DIB_GetNearestIndex
1071 (colors, 16,
1072 ((srcval >> 7) & 0xf8) | /* r */
1073 ((srcval >> 12) & 0x07),
1074 ((srcval >> 2) & 0xf8) | /* g */
1075 ((srcval >> 7) & 0x07),
1076 ((srcval << 3) & 0xf8) | /* b */
1077 ((srcval >> 2) & 0x07) ) << ((1-(x&1))<<2) );
1078 if ((x&1)==1) {
1079 *dstbyte++=dstval;
1080 dstval=0;
1081 }
1082 }
1083 if ((width&1)!=0) {
1084 *dstbyte=dstval;
1085 }
1086 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1087 dstbits += linebytes;
1088 }
1089 } else if (bmpImage->blue_mask==0x7c00) {
1090 /* ==== bgr 555 bmp -> pal 4 dib ==== */
1091 for (h=0; h<lines; h++) {
1092 WORD dstval;
1093 srcpixel=srcbits;
1094 dstbyte=dstbits;
1095 dstval=0;
1096 for (x=0; x<width; x++) {
1097 WORD srcval;
1098 srcval=*srcpixel++;
1099 dstval|=(X11DRV_DIB_GetNearestIndex
1100 (colors, 16,
1101 ((srcval << 3) & 0xf8) | /* r */
1102 ((srcval >> 2) & 0x07),
1103 ((srcval >> 2) & 0xf8) | /* g */
1104 ((srcval >> 7) & 0x07),
1105 ((srcval >> 7) & 0xf8) | /* b */
1106 ((srcval >> 12) & 0x07) ) << ((1-(x&1))<<2) );
1107 if ((x&1)==1) {
1108 *dstbyte++=dstval;
1109 dstval=0;
1110 }
1111 }
1112 if ((width&1)!=0) {
1113 *dstbyte=dstval;
1114 }
1115 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1116 dstbits += linebytes;
1117 }
1118 } else {
1119 goto notsupported;
1120 }
1121 } else if (bmpImage->green_mask==0x07e0) {
1122 if (bmpImage->red_mask==0xf800) {
1123 /* ==== rgb 565 bmp -> pal 4 dib ==== */
1124 for (h=0; h<lines; h++) {
1125 BYTE dstval;
1126 srcpixel=srcbits;
1127 dstbyte=dstbits;
1128 dstval=0;
1129 for (x=0; x<width; x++) {
1130 WORD srcval;
1131 srcval=*srcpixel++;
1132 dstval|=(X11DRV_DIB_GetNearestIndex
1133 (colors, 16,
1134 ((srcval >> 8) & 0xf8) | /* r */
1135 ((srcval >> 13) & 0x07),
1136 ((srcval >> 3) & 0xfc) | /* g */
1137 ((srcval >> 9) & 0x03),
1138 ((srcval << 3) & 0xf8) | /* b */
1139 ((srcval >> 2) & 0x07) ) << ((1-(x&1))<<2) );
1140 if ((x&1)==1) {
1141 *dstbyte++=dstval;
1142 dstval=0;
1143 }
1144 }
1145 if ((width&1)!=0) {
1146 *dstbyte=dstval;
1147 }
1148 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1149 dstbits += linebytes;
1150 }
1151 } else if (bmpImage->blue_mask==0xf800) {
1152 /* ==== bgr 565 bmp -> pal 4 dib ==== */
1153 for (h=0; h<lines; h++) {
1154 WORD dstval;
1155 srcpixel=srcbits;
1156 dstbyte=dstbits;
1157 dstval=0;
1158 for (x=0; x<width; x++) {
1159 WORD srcval;
1160 srcval=*srcpixel++;
1161 dstval|=(X11DRV_DIB_GetNearestIndex
1162 (colors, 16,
1163 ((srcval << 3) & 0xf8) | /* r */
1164 ((srcval >> 2) & 0x07),
1165 ((srcval >> 3) & 0xfc) | /* g */
1166 ((srcval >> 9) & 0x03),
1167 ((srcval >> 8) & 0xf8) | /* b */
1168 ((srcval >> 13) & 0x07) ) << ((1-(x&1))<<2) );
1169 if ((x&1)==1) {
1170 *dstbyte++=dstval;
1171 dstval=0;
1172 }
1173 }
1174 if ((width&1)!=0) {
1175 *dstbyte=dstval;
1176 }
1177 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1178 dstbits += linebytes;
1179 }
1180 } else {
1181 goto notsupported;
1182 }
1183 } else {
1184 goto notsupported;
1185 }
1186 }
1187 break;
1188
1189 case 24:
1190 if (bmpImage->bits_per_pixel==24) {
1191 const void* srcbits;
1192 const BYTE *srcbyte;
1193 BYTE* dstbyte;
1194
1195 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
1196
1197 if (bmpImage->green_mask!=0x00ff00 ||
1198 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
1199 goto notsupported;
1200 } else if (bmpImage->blue_mask==0xff) {
1201 /* ==== rgb 888 bmp -> pal 4 dib ==== */
1202 for (h=0; h<lines; h++) {
1203 srcbyte=srcbits;
1204 dstbyte=dstbits;
1205 for (x=0; x<width/2; x++) {
1206 /* Do 2 pixels at a time */
1207 *dstbyte++=(X11DRV_DIB_GetNearestIndex
1208 (colors, 16,
1209 srcbyte[2],
1210 srcbyte[1],
1211 srcbyte[0]) << 4) |
1212 X11DRV_DIB_GetNearestIndex
1213 (colors, 16,
1214 srcbyte[5],
1215 srcbyte[4],
1216 srcbyte[3]);
1217 srcbyte+=6;
1218 }
1219 if (width&1) {
1220 /* And the the odd pixel */
1221 *dstbyte++=(X11DRV_DIB_GetNearestIndex
1222 (colors, 16,
1223 srcbyte[2],
1224 srcbyte[1],
1225 srcbyte[0]) << 4);
1226 }
1227 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1228 dstbits += linebytes;
1229 }
1230 } else {
1231 /* ==== bgr 888 bmp -> pal 4 dib ==== */
1232 for (h=0; h<lines; h++) {
1233 srcbyte=srcbits;
1234 dstbyte=dstbits;
1235 for (x=0; x<width/2; x++) {
1236 /* Do 2 pixels at a time */
1237 *dstbyte++=(X11DRV_DIB_GetNearestIndex
1238 (colors, 16,
1239 srcbyte[0],
1240 srcbyte[1],
1241 srcbyte[2]) << 4) |
1242 X11DRV_DIB_GetNearestIndex
1243 (colors, 16,
1244 srcbyte[3],
1245 srcbyte[4],
1246 srcbyte[5]);
1247 srcbyte+=6;
1248 }
1249 if (width&1) {
1250 /* And the the odd pixel */
1251 *dstbyte++=(X11DRV_DIB_GetNearestIndex
1252 (colors, 16,
1253 srcbyte[0],
1254 srcbyte[1],
1255 srcbyte[2]) << 4);
1256 }
1257 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1258 dstbits += linebytes;
1259 }
1260 }
1261 break;
1262 }
1263 /* Fall through */
1264
1265 case 32:
1266 {
1267 const void* srcbits;
1268 const BYTE *srcbyte;
1269 BYTE* dstbyte;
1270
1271 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
1272
1273 if (bmpImage->green_mask!=0x00ff00 ||
1274 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
1275 goto notsupported;
1276 } else if (bmpImage->blue_mask==0xff) {
1277 /* ==== rgb 0888 bmp -> pal 4 dib ==== */
1278 for (h=0; h<lines; h++) {
1279 srcbyte=srcbits;
1280 dstbyte=dstbits;
1281 for (x=0; x<width/2; x++) {
1282 /* Do 2 pixels at a time */
1283 *dstbyte++=(X11DRV_DIB_GetNearestIndex
1284 (colors, 16,
1285 srcbyte[2],
1286 srcbyte[1],
1287 srcbyte[0]) << 4) |
1288 X11DRV_DIB_GetNearestIndex
1289 (colors, 16,
1290 srcbyte[6],
1291 srcbyte[5],
1292 srcbyte[4]);
1293 srcbyte+=8;
1294 }
1295 if (width&1) {
1296 /* And the the odd pixel */
1297 *dstbyte++=(X11DRV_DIB_GetNearestIndex
1298 (colors, 16,
1299 srcbyte[2],
1300 srcbyte[1],
1301 srcbyte[0]) << 4);
1302 }
1303 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1304 dstbits += linebytes;
1305 }
1306 } else {
1307 /* ==== bgr 0888 bmp -> pal 4 dib ==== */
1308 for (h=0; h<lines; h++) {
1309 srcbyte=srcbits;
1310 dstbyte=dstbits;
1311 for (x=0; x<width/2; x++) {
1312 /* Do 2 pixels at a time */
1313 *dstbyte++=(X11DRV_DIB_GetNearestIndex
1314 (colors, 16,
1315 srcbyte[0],
1316 srcbyte[1],
1317 srcbyte[2]) << 4) |
1318 X11DRV_DIB_GetNearestIndex
1319 (colors, 16,
1320 srcbyte[4],
1321 srcbyte[5],
1322 srcbyte[6]);
1323 srcbyte+=8;
1324 }
1325 if (width&1) {
1326 /* And the the odd pixel */
1327 *dstbyte++=(X11DRV_DIB_GetNearestIndex
1328 (colors, 16,
1329 srcbyte[0],
1330 srcbyte[1],
1331 srcbyte[2]) << 4);
1332 }
1333 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1334 dstbits += linebytes;
1335 }
1336 }
1337 }
1338 break;
1339
1340 default:
1341 notsupported:
1342 {
1343 BYTE* dstbyte;
1344
1345 /* ==== any bmp format -> pal 4 dib ==== */
1346 WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 4 bit DIB\n",
1347 bmpImage->bits_per_pixel, bmpImage->red_mask,
1348 bmpImage->green_mask, bmpImage->blue_mask );
1349 for (h=lines-1; h>=0; h--) {
1350 dstbyte=dstbits;
1351 for (x=0; x<(width & ~1); x+=2) {
1352 *dstbyte++=(X11DRV_DIB_MapColor((int*)colors, 16, XGetPixel(bmpImage, x, h), 0) << 4) |
1353 X11DRV_DIB_MapColor((int*)colors, 16, XGetPixel(bmpImage, x+1, h), 0);
1354 }
1355 if (width & 1) {
1356 *dstbyte=(X11DRV_DIB_MapColor((int *)colors, 16, XGetPixel(bmpImage, x, h), 0) << 4);
1357 }
1358 dstbits += linebytes;
1359 }
1360 }
1361 break;
1362 }
1363 }
1364
1365 /***********************************************************************
1366 * X11DRV_DIB_SetImageBits_RLE4
1367 *
1368 * SetDIBits for a 4-bit deep compressed DIB.
1369 */
1370 static void X11DRV_DIB_SetImageBits_RLE4( int lines, const BYTE *bits,
1371 DWORD srcwidth, DWORD dstwidth,
1372 int left, int *colors,
1373 XImage *bmpImage )
1374 {
1375 unsigned int x = 0, width = min(srcwidth, dstwidth);
1376 int y = lines - 1, c, length;
1377 const BYTE *begin = bits;
1378
1379 while (y >= 0)
1380 {
1381 length = *bits++;
1382 if (length) { /* encoded */
1383 c = *bits++;
1384 while (length--) {
1385 if (x >= (left + width)) break;
1386 if( x >= left) XPutPixel(bmpImage, x, y, colors[c >> 4]);
1387 x++;
1388 if (!length--) break;
1389 if (x >= (left + width)) break;
1390 if( x >= left) XPutPixel(bmpImage, x, y, colors[c & 0xf]);
1391 x++;
1392 }
1393 } else {
1394 length = *bits++;
1395 switch (length)
1396 {
1397 case RLE_EOL:
1398 x = 0;
1399 y--;
1400 break;
1401
1402 case RLE_END:
1403 return;
1404
1405 case RLE_DELTA:
1406 x += *bits++;
1407 y -= *bits++;
1408 break;
1409
1410 default: /* absolute */
1411 while (length--) {
1412 c = *bits++;
1413 if (x >= left && x < (left + width))
1414 XPutPixel(bmpImage, x, y, colors[c >> 4]);
1415 x++;
1416 if (!length--) break;
1417 if (x >= left && x < (left + width))
1418 XPutPixel(bmpImage, x, y, colors[c & 0xf]);
1419 x++;
1420 }
1421 if ((bits - begin) & 1)
1422 bits++;
1423 }
1424 }
1425 }
1426 }
1427
1428
1429
1430 /***********************************************************************
1431 * X11DRV_DIB_SetImageBits_8
1432 *
1433 * SetDIBits for an 8-bit deep DIB.
1434 */
1435 static void X11DRV_DIB_SetImageBits_8( int lines, const BYTE *srcbits,
1436 DWORD srcwidth, DWORD dstwidth, int left,
1437 const int *colors, XImage *bmpImage,
1438 DWORD linebytes )
1439 {
1440 DWORD x;
1441 int h, width = min(srcwidth, dstwidth);
1442 const BYTE* srcbyte;
1443 BYTE* dstbits;
1444
1445 if (lines < 0 )
1446 {
1447 lines = -lines;
1448 srcbits = srcbits + linebytes * (lines-1);
1449 linebytes = -linebytes;
1450 }
1451 srcbits += left;
1452 srcbyte = srcbits;
1453
1454 switch (bmpImage->depth) {
1455 case 15:
1456 case 16:
1457 #if defined(__i386__) && defined(__GNUC__)
1458 /* Some X servers might have 32 bit/ 16bit deep pixel */
1459 if (lines && width && (bmpImage->bits_per_pixel == 16) &&
1460 (ImageByteOrder(gdi_display)==LSBFirst) )
1461 {
1462 dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
1463 /* FIXME: Does this really handle all these cases correctly? */
1464 /* ==== pal 8 dib -> rgb or bgr 555 or 565 bmp ==== */
1465 for (h = lines ; h--; ) {
1466 int _cl1,_cl2; /* temp outputs for asm below */
1467 /* Borrowed from DirectDraw */
1468 __asm__ __volatile__(
1469 "xor %%eax,%%eax\n"
1470 "cld\n"
1471 "1:\n"
1472 " lodsb\n"
1473 " movw (%%edx,%%eax,4),%%ax\n"
1474 " stosw\n"
1475 " xor %%eax,%%eax\n"
1476 " loop 1b\n"
1477 :"=S" (srcbyte), "=D" (_cl1), "=c" (_cl2)
1478 :"S" (srcbyte),
1479 "D" (dstbits),
1480 "c" (width),
1481 "d" (colors)
1482 :"eax", "cc", "memory"
1483 );
1484 srcbyte = (srcbits += linebytes);
1485 dstbits -= bmpImage->bytes_per_line;
1486 }
1487 return;
1488 }
1489 break;
1490 #endif
1491 case 24:
1492 case 32:
1493 #if defined(__i386__) && defined(__GNUC__)
1494 if (lines && width && (bmpImage->bits_per_pixel == 32) &&
1495 (ImageByteOrder(gdi_display)==LSBFirst) )
1496 {
1497 dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
1498 /* FIXME: Does this really handle both cases correctly? */
1499 /* ==== pal 8 dib -> rgb or bgr 0888 bmp ==== */
1500 for (h = lines ; h--; ) {
1501 int _cl1,_cl2; /* temp outputs for asm below */
1502 /* Borrowed from DirectDraw */
1503 __asm__ __volatile__(
1504 "xor %%eax,%%eax\n"
1505 "cld\n"
1506 "1:\n"
1507 " lodsb\n"
1508 " movl (%%edx,%%eax,4),%%eax\n"
1509 " stosl\n"
1510 " xor %%eax,%%eax\n"
1511 " loop 1b\n"
1512 :"=S" (srcbyte), "=D" (_cl1), "=c" (_cl2)
1513 :"S" (srcbyte),
1514 "D" (dstbits),
1515 "c" (width),
1516 "d" (colors)
1517 :"eax", "cc", "memory"
1518 );
1519 srcbyte = (srcbits += linebytes);
1520 dstbits -= bmpImage->bytes_per_line;
1521 }
1522 return;
1523 }
1524 break;
1525 #endif
1526 default:
1527 break; /* use slow generic case below */
1528 }
1529
1530 /* ==== pal 8 dib -> any bmp format ==== */
1531 for (h=lines-1; h>=0; h--) {
1532 for (x=left; x<width+left; x++) {
1533 XPutPixel(bmpImage, x, h, colors[*srcbyte++]);
1534 }
1535 srcbyte = (srcbits += linebytes);
1536 }
1537 }
1538
1539 /***********************************************************************
1540 * X11DRV_DIB_GetImageBits_8
1541 *
1542 * GetDIBits for an 8-bit deep DIB.
1543 */
1544 static void X11DRV_DIB_GetImageBits_8( int lines, BYTE *dstbits,
1545 DWORD srcwidth, DWORD dstwidth,
1546 RGBQUAD *colors, PALETTEENTRY *srccolors,
1547 XImage *bmpImage, DWORD linebytes )
1548 {
1549 DWORD x;
1550 int h, width = min(srcwidth, dstwidth);
1551 BYTE* dstbyte;
1552
1553 if (lines < 0 )
1554 {
1555 lines = -lines;
1556 dstbits = dstbits + ( linebytes * (lines-1) );
1557 linebytes = -linebytes;
1558 }
1559
1560 /*
1561 * Hack for now
1562 * This condition is true when GetImageBits has been called by
1563 * UpdateDIBSection. For now, GetNearestIndex is too slow to support
1564 * 256 colormaps, so we'll just use for for GetDIBits calls.
1565 * (In somes cases, in a updateDIBSection, the returned colors are bad too)
1566 */
1567 if (!srccolors) goto updatesection;
1568
1569 switch (bmpImage->depth) {
1570 case 1:
1571 case 4:
1572 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
1573
1574 /* ==== pal 1 bmp -> pal 8 dib ==== */
1575 /* ==== pal 4 bmp -> pal 8 dib ==== */
1576 for (h=lines-1; h>=0; h--) {
1577 dstbyte=dstbits;
1578 for (x=0; x<width; x++) {
1579 PALETTEENTRY srcval;
1580 srcval=srccolors[XGetPixel(bmpImage, x, h)];
1581 *dstbyte++=X11DRV_DIB_GetNearestIndex(colors, 256,
1582 srcval.peRed,
1583 srcval.peGreen,
1584 srcval.peBlue);
1585 }
1586 dstbits += linebytes;
1587 }
1588 } else {
1589 goto notsupported;
1590 }
1591 break;
1592
1593 case 8:
1594 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
1595 /* ==== pal 8 bmp -> pal 8 dib ==== */
1596 const void* srcbits;
1597 const BYTE* srcpixel;
1598
1599 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
1600 for (h=0; h<lines; h++) {
1601 srcpixel=srcbits;
1602 dstbyte=dstbits;
1603 for (x = 0; x < width; x++) {
1604 PALETTEENTRY srcval;
1605 srcval=srccolors[(int)*srcpixel++];
1606 *dstbyte++=X11DRV_DIB_GetNearestIndex(colors, 256,
1607 srcval.peRed,
1608 srcval.peGreen,
1609 srcval.peBlue);
1610 }
1611 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1612 dstbits += linebytes;
1613 }
1614 } else {
1615 goto notsupported;
1616 }
1617 break;
1618
1619 case 15:
1620 case 16:
1621 {
1622 const void* srcbits;
1623 const WORD* srcpixel;
1624 BYTE* dstbyte;
1625
1626 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
1627
1628 if (bmpImage->green_mask==0x03e0) {
1629 if (bmpImage->red_mask==0x7c00) {
1630 /* ==== rgb 555 bmp -> pal 8 dib ==== */
1631 for (h=0; h<lines; h++) {
1632 srcpixel=srcbits;
1633 dstbyte=dstbits;
1634 for (x=0; x<width; x++) {
1635 WORD srcval;
1636 srcval=*srcpixel++;
1637 *dstbyte++=X11DRV_DIB_GetNearestIndex
1638 (colors, 256,
1639 ((srcval >> 7) & 0xf8) | /* r */
1640 ((srcval >> 12) & 0x07),
1641 ((srcval >> 2) & 0xf8) | /* g */
1642 ((srcval >> 7) & 0x07),
1643 ((srcval << 3) & 0xf8) | /* b */
1644 ((srcval >> 2) & 0x07) );
1645 }
1646 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1647 dstbits += linebytes;
1648 }
1649 } else if (bmpImage->blue_mask==0x7c00) {
1650 /* ==== bgr 555 bmp -> pal 8 dib ==== */
1651 for (h=0; h<lines; h++) {
1652 srcpixel=srcbits;
1653 dstbyte=dstbits;
1654 for (x=0; x<width; x++) {
1655 WORD srcval;
1656 srcval=*srcpixel++;
1657 *dstbyte++=X11DRV_DIB_GetNearestIndex
1658 (colors, 256,
1659 ((srcval << 3) & 0xf8) | /* r */
1660 ((srcval >> 2) & 0x07),
1661 ((srcval >> 2) & 0xf8) | /* g */
1662 ((srcval >> 7) & 0x07),
1663 ((srcval >> 7) & 0xf8) | /* b */
1664 ((srcval >> 12) & 0x07) );
1665 }
1666 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1667 dstbits += linebytes;
1668 }
1669 } else {
1670 goto notsupported;
1671 }
1672 } else if (bmpImage->green_mask==0x07e0) {
1673 if (bmpImage->red_mask==0xf800) {
1674 /* ==== rgb 565 bmp -> pal 8 dib ==== */
1675 for (h=0; h<lines; h++) {
1676 srcpixel=srcbits;
1677 dstbyte=dstbits;
1678 for (x=0; x<width; x++) {
1679 WORD srcval;
1680 srcval=*srcpixel++;
1681 *dstbyte++=X11DRV_DIB_GetNearestIndex
1682 (colors, 256,
1683 ((srcval >> 8) & 0xf8) | /* r */
1684 ((srcval >> 13) & 0x07),
1685 ((srcval >> 3) & 0xfc) | /* g */
1686 ((srcval >> 9) & 0x03),
1687 ((srcval << 3) & 0xf8) | /* b */
1688 ((srcval >> 2) & 0x07) );
1689 }
1690 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1691 dstbits += linebytes;
1692 }
1693 } else if (bmpImage->blue_mask==0xf800) {
1694 /* ==== bgr 565 bmp -> pal 8 dib ==== */
1695 for (h=0; h<lines; h++) {
1696 srcpixel=srcbits;
1697 dstbyte=dstbits;
1698 for (x=0; x<width; x++) {
1699 WORD srcval;
1700 srcval=*srcpixel++;
1701 *dstbyte++=X11DRV_DIB_GetNearestIndex
1702 (colors, 256,
1703 ((srcval << 3) & 0xf8) | /* r */
1704 ((srcval >> 2) & 0x07),
1705 ((srcval >> 3) & 0xfc) | /* g */
1706 ((srcval >> 9) & 0x03),
1707 ((srcval >> 8) & 0xf8) | /* b */
1708 ((srcval >> 13) & 0x07) );
1709 }
1710 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1711 dstbits += linebytes;
1712 }
1713 } else {
1714 goto notsupported;
1715 }
1716 } else {
1717 goto notsupported;
1718 }
1719 }
1720 break;
1721
1722 case 24:
1723 case 32:
1724 {
1725 const void* srcbits;
1726 const BYTE *srcbyte;
1727 BYTE* dstbyte;
1728 int bytes_per_pixel;
1729
1730 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
1731 bytes_per_pixel=(bmpImage->bits_per_pixel==24?3:4);
1732
1733 if (bmpImage->green_mask!=0x00ff00 ||
1734 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
1735 goto notsupported;
1736 } else if (bmpImage->blue_mask==0xff) {
1737 /* ==== rgb 888 or 0888 bmp -> pal 8 dib ==== */
1738 for (h=0; h<lines; h++) {
1739 srcbyte=srcbits;
1740 dstbyte=dstbits;
1741 for (x=0; x<width; x++) {
1742 *dstbyte++=X11DRV_DIB_GetNearestIndex
1743 (colors, 256,
1744 srcbyte[2],
1745 srcbyte[1],
1746 srcbyte[0]);
1747 srcbyte+=bytes_per_pixel;
1748 }
1749 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1750 dstbits += linebytes;
1751 }
1752 } else {
1753 /* ==== bgr 888 or 0888 bmp -> pal 8 dib ==== */
1754 for (h=0; h<lines; h++) {
1755 srcbyte=srcbits;
1756 dstbyte=dstbits;
1757 for (x=0; x<width; x++) {
1758 *dstbyte++=X11DRV_DIB_GetNearestIndex
1759 (colors, 256,
1760 srcbyte[0],
1761 srcbyte[1],
1762 srcbyte[2]);
1763 srcbyte+=bytes_per_pixel;
1764 }
1765 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
1766 dstbits += linebytes;
1767 }
1768 }
1769 }
1770 break;
1771
1772 default:
1773 notsupported:
1774 WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 8 bit DIB\n",
1775 bmpImage->depth, bmpImage->red_mask,
1776 bmpImage->green_mask, bmpImage->blue_mask );
1777 updatesection:
1778 /* ==== any bmp format -> pal 8 dib ==== */
1779 for (h=lines-1; h>=0; h--) {
1780 dstbyte=dstbits;
1781 for (x=0; x<width; x++) {
1782 *dstbyte=X11DRV_DIB_MapColor
1783 ((int*)colors, 256,
1784 XGetPixel(bmpImage, x, h), *dstbyte);
1785 dstbyte++;
1786 }
1787 dstbits += linebytes;
1788 }
1789 break;
1790 }
1791 }
1792
1793 /***********************************************************************
1794 * X11DRV_DIB_SetImageBits_RLE8
1795 *
1796 * SetDIBits for an 8-bit deep compressed DIB.
1797 *
1798 * This function rewritten 941113 by James Youngman. WINE blew out when I
1799 * first ran it because my desktop wallpaper is a (large) RLE8 bitmap.
1800 *
1801 * This was because the algorithm assumed that all RLE8 bitmaps end with the
1802 * 'End of bitmap' escape code. This code is very much laxer in what it
1803 * allows to end the expansion. Possibly too lax. See the note by
1804 * case RleDelta. BTW, MS's documentation implies that a correct RLE8
1805 * bitmap should end with RleEnd, but on the other hand, software exists
1806 * that produces ones that don't and Windows 3.1 doesn't complain a bit
1807 * about it.
1808 *
1809 * (No) apologies for my English spelling. [Emacs users: c-indent-level=4].
1810 * James A. Youngman <mbcstjy@afs.man.ac.uk>
1811 * [JAY]
1812 */
1813 static void X11DRV_DIB_SetImageBits_RLE8( int lines, const BYTE *bits,
1814 DWORD srcwidth, DWORD dstwidth,
1815 int left, int *colors,
1816 XImage *bmpImage )
1817 {
1818 unsigned int x; /* X-position on each line. Increases. */
1819 int y; /* Line #. Starts at lines-1, decreases */
1820 const BYTE *pIn = bits; /* Pointer to current position in bits */
1821 BYTE length; /* The length pf a run */
1822 BYTE escape_code; /* See enum Rle8_EscapeCodes.*/
1823
1824 /*
1825 * Note that the bitmap data is stored by Windows starting at the
1826 * bottom line of the bitmap and going upwards. Within each line,
1827 * the data is stored left-to-right. That's the reason why line
1828 * goes from lines-1 to 0. [JAY]
1829 */
1830
1831 x = 0;
1832 y = lines - 1;
1833 while (y >= 0)
1834 {
1835 length = *pIn++;
1836
1837 /*
1838 * If the length byte is not zero (which is the escape value),
1839 * We have a run of length pixels all the same colour. The colour
1840 * index is stored next.
1841 *
1842 * If the length byte is zero, we need to read the next byte to
1843 * know what to do. [JAY]
1844 */
1845 if (length != 0)
1846 {
1847 /*
1848 * [Run-Length] Encoded mode
1849 */
1850 int color = colors[*pIn++];
1851 while (length-- && x < (left + dstwidth)) {
1852 if( x >= left) XPutPixel(bmpImage, x, y, color);
1853 x++;
1854 }
1855 }
1856 else
1857 {
1858 /*
1859 * Escape codes (may be an absolute sequence though)
1860 */
1861 escape_code = (*pIn++);
1862 switch(escape_code)
1863 {
1864 case RLE_EOL:
1865 x = 0;
1866 y--;
1867 break;
1868
1869 case RLE_END:
1870 /* Not all RLE8 bitmaps end with this code. For
1871 * example, Paint Shop Pro produces some that don't.
1872 * That's (I think) what caused the previous
1873 * implementation to fail. [JAY]
1874 */
1875 return;
1876
1877 case RLE_DELTA:
1878 x += (*pIn++);
1879 y -= (*pIn++);
1880 break;
1881
1882 default: /* switch to absolute mode */
1883 length = escape_code;
1884 while (length--)
1885 {
1886 int color = colors[*pIn++];
1887 if (x >= (left + dstwidth))
1888 {
1889 pIn += length;
1890 break;
1891 }
1892 if( x >= left) XPutPixel(bmpImage, x, y, color);
1893 x++;
1894 }
1895 /*
1896 * If you think for a moment you'll realise that the
1897 * only time we could ever possibly read an odd
1898 * number of bytes is when there is a 0x00 (escape),
1899 * a value >0x02 (absolute mode) and then an odd-
1900 * length run. Therefore this is the only place we
1901 * need to worry about it. Everywhere else the
1902 * bytes are always read in pairs. [JAY]
1903 */
1904 if (escape_code & 1) pIn++; /* Throw away the pad byte. */
1905 break;
1906 } /* switch (escape_code) : Escape sequence */
1907 }
1908 }
1909 }
1910
1911
1912 /***********************************************************************
1913 * X11DRV_DIB_SetImageBits_16
1914 *
1915 * SetDIBits for a 16-bit deep DIB.
1916 */
1917 static void X11DRV_DIB_SetImageBits_16( int lines, const BYTE *srcbits,
1918 DWORD srcwidth, DWORD dstwidth, int left,
1919 X11DRV_PDEVICE *physDev, DWORD rSrc, DWORD gSrc, DWORD bSrc,
1920 XImage *bmpImage, DWORD linebytes )
1921 {
1922 DWORD x;
1923 int h, width = min(srcwidth, dstwidth);
1924 const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap;
1925
1926 if (lines < 0 )
1927 {
1928 lines = -lines;
1929 srcbits = srcbits + ( linebytes * (lines-1));
1930 linebytes = -linebytes;
1931 }
1932
1933 switch (bmpImage->depth)
1934 {
1935 case 15:
1936 case 16:
1937 {
1938 char* dstbits;
1939
1940 srcbits=srcbits+left*2;
1941 dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
1942
1943 if (bmpImage->green_mask==0x03e0) {
1944 if (gSrc==bmpImage->green_mask) {
1945 if (rSrc==bmpImage->red_mask) {
1946 /* ==== rgb 555 dib -> rgb 555 bmp ==== */
1947 /* ==== bgr 555 dib -> bgr 555 bmp ==== */
1948 convs->Convert_5x5_asis
1949 (width,lines,
1950 srcbits,linebytes,
1951 dstbits,-bmpImage->bytes_per_line);
1952 } else if (rSrc==bmpImage->blue_mask) {
1953 /* ==== rgb 555 dib -> bgr 555 bmp ==== */
1954 /* ==== bgr 555 dib -> rgb 555 bmp ==== */
1955 convs->Convert_555_reverse
1956 (width,lines,
1957 srcbits,linebytes,
1958 dstbits,-bmpImage->bytes_per_line);
1959 }
1960 } else {
1961 if (rSrc==bmpImage->red_mask || bSrc==bmpImage->blue_mask) {
1962 /* ==== rgb 565 dib -> rgb 555 bmp ==== */
1963 /* ==== bgr 565 dib -> bgr 555 bmp ==== */
1964 convs->Convert_565_to_555_asis
1965 (width,lines,
1966 srcbits,linebytes,
1967 dstbits,-bmpImage->bytes_per_line);
1968 } else {
1969 /* ==== rgb 565 dib -> bgr 555 bmp ==== */
1970 /* ==== bgr 565 dib -> rgb 555 bmp ==== */
1971 convs->Convert_565_to_555_reverse
1972 (width,lines,
1973 srcbits,linebytes,
1974 dstbits,-bmpImage->bytes_per_line);
1975 }
1976 }
1977 } else if (bmpImage->green_mask==0x07e0) {
1978 if (gSrc==bmpImage->green_mask) {
1979 if (rSrc==bmpImage->red_mask) {
1980 /* ==== rgb 565 dib -> rgb 565 bmp ==== */
1981 /* ==== bgr 565 dib -> bgr 565 bmp ==== */
1982 convs->Convert_5x5_asis
1983 (width,lines,
1984 srcbits,linebytes,
1985 dstbits,-bmpImage->bytes_per_line);
1986 } else {
1987 /* ==== rgb 565 dib -> bgr 565 bmp ==== */
1988 /* ==== bgr 565 dib -> rgb 565 bmp ==== */
1989 convs->Convert_565_reverse
1990 (width,lines,
1991 srcbits,linebytes,
1992 dstbits,-bmpImage->bytes_per_line);
1993 }
1994 } else {
1995 if (rSrc==bmpImage->red_mask || bSrc==bmpImage->blue_mask) {
1996 /* ==== rgb 555 dib -> rgb 565 bmp ==== */
1997 /* ==== bgr 555 dib -> bgr 565 bmp ==== */
1998 convs->Convert_555_to_565_asis
1999 (width,lines,
2000 srcbits,linebytes,
2001 dstbits,-bmpImage->bytes_per_line);
2002 } else {
2003 /* ==== rgb 555 dib -> bgr 565 bmp ==== */
2004 /* ==== bgr 555 dib -> rgb 565 bmp ==== */
2005 convs->Convert_555_to_565_reverse
2006 (width,lines,
2007 srcbits,linebytes,
2008 dstbits,-bmpImage->bytes_per_line);
2009 }
2010 }
2011 } else {
2012 goto notsupported;
2013 }
2014 }
2015 break;
2016
2017 case 24:
2018 if (bmpImage->bits_per_pixel==24) {
2019 char* dstbits;
2020
2021 srcbits=srcbits+left*2;
2022 dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line;
2023
2024 if (bmpImage->green_mask!=0x00ff00 ||
2025 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2026 goto notsupported;
2027 } else if ((rSrc==0x1f && bmpImage->red_mask==0xff) ||
2028 (bSrc==0x1f && bmpImage->blue_mask==0xff)) {
2029 if (gSrc==0x03e0) {
2030 /* ==== rgb 555 dib -> rgb 888 bmp ==== */
2031 /* ==== bgr 555 dib -> bgr 888 bmp ==== */
2032 convs->Convert_555_to_888_asis
2033 (width,lines,
2034 srcbits,linebytes,
2035 dstbits,-bmpImage->bytes_per_line);
2036 } else {
2037 /* ==== rgb 565 dib -> rgb 888 bmp ==== */
2038 /* ==== bgr 565 dib -> bgr 888 bmp ==== */
2039 convs->Convert_565_to_888_asis
2040 (width,lines,
2041 srcbits,linebytes,
2042 dstbits,-bmpImage->bytes_per_line);
2043 }
2044 } else {
2045 if (gSrc==0x03e0) {
2046 /* ==== rgb 555 dib -> bgr 888 bmp ==== */
2047 /* ==== bgr 555 dib -> rgb 888 bmp ==== */
2048 convs->Convert_555_to_888_reverse
2049 (width,lines,
2050 srcbits,linebytes,
2051 dstbits,-bmpImage->bytes_per_line);
2052 } else {
2053 /* ==== rgb 565 dib -> bgr 888 bmp ==== */
2054 /* ==== bgr 565 dib -> rgb 888 bmp ==== */
2055 convs->Convert_565_to_888_reverse
2056 (width,lines,
2057 srcbits,linebytes,
2058 dstbits,-bmpImage->bytes_per_line);
2059 }
2060 }
2061 break;
2062 }
2063 /* Fall through */
2064
2065 case 32:
2066 {
2067 char* dstbits;
2068
2069 srcbits=srcbits+left*2;
2070 dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
2071
2072 if (bmpImage->green_mask!=0x00ff00 ||
2073 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2074 goto notsupported;
2075 } else if ((rSrc==0x1f && bmpImage->red_mask==0xff) ||
2076 (bSrc==0x1f && bmpImage->blue_mask==0xff)) {
2077 if (gSrc==0x03e0) {
2078 /* ==== rgb 555 dib -> rgb 0888 bmp ==== */
2079 /* ==== bgr 555 dib -> bgr 0888 bmp ==== */
2080 convs->Convert_555_to_0888_asis
2081 (width,lines,
2082 srcbits,linebytes,
2083 dstbits,-bmpImage->bytes_per_line);
2084 } else {
2085 /* ==== rgb 565 dib -> rgb 0888 bmp ==== */
2086 /* ==== bgr 565 dib -> bgr 0888 bmp ==== */
2087 convs->Convert_565_to_0888_asis
2088 (width,lines,
2089 srcbits,linebytes,
2090 dstbits,-bmpImage->bytes_per_line);
2091 }
2092 } else {
2093 if (gSrc==0x03e0) {
2094 /* ==== rgb 555 dib -> bgr 0888 bmp ==== */
2095 /* ==== bgr 555 dib -> rgb 0888 bmp ==== */
2096 convs->Convert_555_to_0888_reverse
2097 (width,lines,
2098 srcbits,linebytes,
2099 dstbits,-bmpImage->bytes_per_line);
2100 } else {
2101 /* ==== rgb 565 dib -> bgr 0888 bmp ==== */
2102 /* ==== bgr 565 dib -> rgb 0888 bmp ==== */
2103 convs->Convert_565_to_0888_reverse
2104 (width,lines,
2105 srcbits,linebytes,
2106 dstbits,-bmpImage->bytes_per_line);
2107 }
2108 }
2109 }
2110 break;
2111
2112 default:
2113 notsupported:
2114 WARN("from 16 bit DIB (%lx,%lx,%lx) to unknown %d bit bitmap (%lx,%lx,%lx)\n",
2115 rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask,
2116 bmpImage->green_mask, bmpImage->blue_mask );
2117 /* fall through */
2118 case 1:
2119 case 4:
2120 case 8:
2121 {
2122 /* ==== rgb or bgr 555 or 565 dib -> pal 1, 4 or 8 ==== */
2123 const WORD* srcpixel;
2124 int rShift1,gShift1,bShift1;
2125 int rShift2,gShift2,bShift2;
2126 BYTE gMask1,gMask2;
2127
2128 /* Set color scaling values */
2129 rShift1=16+X11DRV_DIB_MaskToShift(rSrc)-3;
2130 gShift1=16+X11DRV_DIB_MaskToShift(gSrc)-3;
2131 bShift1=16+X11DRV_DIB_MaskToShift(bSrc)-3;
2132 rShift2=rShift1+5;
2133 gShift2=gShift1+5;
2134 bShift2=bShift1+5;
2135 if (gSrc==0x03e0) {
2136 /* Green has 5 bits, like the others */
2137 gMask1=0xf8;
2138 gMask2=0x07;
2139 } else {
2140 /* Green has 6 bits, not 5. Compensate. */
2141 gShift1++;
2142 gShift2+=2;
2143 gMask1=0xfc;
2144 gMask2=0x03;
2145 }
2146
2147 srcbits+=2*left;
2148
2149 /* We could split it into four separate cases to optimize
2150 * but it is probably not worth it.
2151 */
2152 for (h=lines-1; h>=0; h--) {
2153 srcpixel=(const WORD*)srcbits;
2154 for (x=left; x<width+left; x++) {
2155 DWORD srcval;
2156 BYTE red,green,blue;
2157 srcval=*srcpixel++ << 16;
2158 red= ((srcval >> rShift1) & 0xf8) |
2159 ((srcval >> rShift2) & 0x07);
2160 green=((srcval >> gShift1) & gMask1) |
2161 ((srcval >> gShift2) & gMask2);
2162 blue= ((srcval >> bShift1) & 0xf8) |
2163 ((srcval >> bShift2) & 0x07);
2164 XPutPixel(bmpImage, x, h,
2165 X11DRV_PALETTE_ToPhysical
2166 (physDev, RGB(red,green,blue)));
2167 }
2168 srcbits += linebytes;
2169 }
2170 }
2171 break;
2172 }
2173 }
2174
2175
2176 /***********************************************************************
2177 * X11DRV_DIB_GetImageBits_16
2178 *
2179 * GetDIBits for an 16-bit deep DIB.
2180 */
2181 static void X11DRV_DIB_GetImageBits_16( int lines, BYTE *dstbits,
2182 DWORD dstwidth, DWORD srcwidth,
2183 PALETTEENTRY *srccolors,
2184 DWORD rDst, DWORD gDst, DWORD bDst,
2185 XImage *bmpImage, DWORD dibpitch )
2186 {
2187 DWORD x;
2188 int h, width = min(srcwidth, dstwidth);
2189 const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap;
2190
2191 DWORD linebytes = dibpitch;
2192
2193 if (lines < 0 )
2194 {
2195 lines = -lines;
2196 dstbits = dstbits + ( linebytes * (lines-1));
2197 linebytes = -linebytes;
2198 }
2199
2200 switch (bmpImage->depth)
2201 {
2202 case 15:
2203 case 16:
2204 {
2205 const char* srcbits;
2206
2207 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
2208
2209 if (bmpImage->green_mask==0x03e0) {
2210 if (gDst==bmpImage->green_mask) {
2211 if (rDst==bmpImage->red_mask) {
2212 /* ==== rgb 555 bmp -> rgb 555 dib ==== */
2213 /* ==== bgr 555 bmp -> bgr 555 dib ==== */
2214 convs->Convert_5x5_asis
2215 (width,lines,
2216 srcbits,-bmpImage->bytes_per_line,
2217 dstbits,linebytes);
2218 } else {
2219 /* ==== rgb 555 bmp -> bgr 555 dib ==== */
2220 /* ==== bgr 555 bmp -> rgb 555 dib ==== */
2221 convs->Convert_555_reverse
2222 (width,lines,
2223 srcbits,-bmpImage->bytes_per_line,
2224 dstbits,linebytes);
2225 }
2226 } else {
2227 if (rDst==bmpImage->red_mask || bDst==bmpImage->blue_mask) {
2228 /* ==== rgb 555 bmp -> rgb 565 dib ==== */
2229 /* ==== bgr 555 bmp -> bgr 565 dib ==== */
2230 convs->Convert_555_to_565_asis
2231 (width,lines,
2232 srcbits,-bmpImage->bytes_per_line,
2233 dstbits,linebytes);
2234 } else {
2235 /* ==== rgb 555 bmp -> bgr 565 dib ==== */
2236 /* ==== bgr 555 bmp -> rgb 565 dib ==== */
2237 convs->Convert_555_to_565_reverse
2238 (width,lines,
2239 srcbits,-bmpImage->bytes_per_line,
2240 dstbits,linebytes);
2241 }
2242 }
2243 } else if (bmpImage->green_mask==0x07e0) {
2244 if (gDst==bmpImage->green_mask) {
2245 if (rDst == bmpImage->red_mask) {
2246 /* ==== rgb 565 bmp -> rgb 565 dib ==== */
2247 /* ==== bgr 565 bmp -> bgr 565 dib ==== */
2248 convs->Convert_5x5_asis
2249 (width,lines,
2250 srcbits,-bmpImage->bytes_per_line,
2251 dstbits,linebytes);
2252 } else {
2253 /* ==== rgb 565 bmp -> bgr 565 dib ==== */
2254 /* ==== bgr 565 bmp -> rgb 565 dib ==== */
2255 convs->Convert_565_reverse
2256 (width,lines,
2257 srcbits,-bmpImage->bytes_per_line,
2258 dstbits,linebytes);
2259 }
2260 } else {
2261 if (rDst==bmpImage->red_mask || bDst==bmpImage->blue_mask) {
2262 /* ==== rgb 565 bmp -> rgb 555 dib ==== */
2263 /* ==== bgr 565 bmp -> bgr 555 dib ==== */
2264 convs->Convert_565_to_555_asis
2265 (width,lines,
2266 srcbits,-bmpImage->bytes_per_line,
2267 dstbits,linebytes);
2268 } else {
2269 /* ==== rgb 565 bmp -> bgr 555 dib ==== */
2270 /* ==== bgr 565 bmp -> rgb 555 dib ==== */
2271 convs->Convert_565_to_555_reverse
2272 (width,lines,
2273 srcbits,-bmpImage->bytes_per_line,
2274 dstbits,linebytes);
2275 }
2276 }
2277 } else {
2278 goto notsupported;
2279 }
2280 }
2281 break;
2282
2283 case 24:
2284 if (bmpImage->bits_per_pixel == 24) {
2285 const char* srcbits;
2286
2287 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
2288
2289 if (bmpImage->green_mask!=0x00ff00 ||
2290 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2291 goto notsupported;
2292 } else if ((rDst==0x1f && bmpImage->red_mask==0xff) ||
2293 (bDst==0x1f && bmpImage->blue_mask==0xff)) {
2294 if (gDst==0x03e0) {
2295 /* ==== rgb 888 bmp -> rgb 555 dib ==== */
2296 /* ==== bgr 888 bmp -> bgr 555 dib ==== */
2297 convs->Convert_888_to_555_asis
2298 (width,lines,
2299 srcbits,-bmpImage->bytes_per_line,
2300 dstbits,linebytes);
2301 } else {
2302 /* ==== rgb 888 bmp -> rgb 565 dib ==== */
2303 /* ==== rgb 888 bmp -> rgb 565 dib ==== */
2304 convs->Convert_888_to_565_asis
2305 (width,lines,
2306 srcbits,-bmpImage->bytes_per_line,
2307 dstbits,linebytes);
2308 }
2309 } else {
2310 if (gDst==0x03e0) {
2311 /* ==== rgb 888 bmp -> bgr 555 dib ==== */
2312 /* ==== bgr 888 bmp -> rgb 555 dib ==== */
2313 convs->Convert_888_to_555_reverse
2314 (width,lines,
2315 srcbits,-bmpImage->bytes_per_line,
2316 dstbits,linebytes);
2317 } else {
2318 /* ==== rgb 888 bmp -> bgr 565 dib ==== */
2319 /* ==== bgr 888 bmp -> rgb 565 dib ==== */
2320 convs->Convert_888_to_565_reverse
2321 (width,lines,
2322 srcbits,-bmpImage->bytes_per_line,
2323 dstbits,linebytes);
2324 }
2325 }
2326 break;
2327 }
2328 /* Fall through */
2329
2330 case 32:
2331 {
2332 const char* srcbits;
2333
2334 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
2335
2336 if (bmpImage->green_mask!=0x00ff00 ||
2337 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2338 goto notsupported;
2339 } else if ((rDst==0x1f && bmpImage->red_mask==0xff) ||
2340 (bDst==0x1f && bmpImage->blue_mask==0xff)) {
2341 if (gDst==0x03e0) {
2342 /* ==== rgb 0888 bmp -> rgb 555 dib ==== */
2343 /* ==== bgr 0888 bmp -> bgr 555 dib ==== */
2344 convs->Convert_0888_to_555_asis
2345 (width,lines,
2346 srcbits,-bmpImage->bytes_per_line,
2347 dstbits,linebytes);
2348 } else {
2349 /* ==== rgb 0888 bmp -> rgb 565 dib ==== */
2350 /* ==== bgr 0888 bmp -> bgr 565 dib ==== */
2351 convs->Convert_0888_to_565_asis
2352 (width,lines,
2353 srcbits,-bmpImage->bytes_per_line,
2354 dstbits,linebytes);
2355 }
2356 } else {
2357 if (gDst==0x03e0) {
2358 /* ==== rgb 0888 bmp -> bgr 555 dib ==== */
2359 /* ==== bgr 0888 bmp -> rgb 555 dib ==== */
2360 convs->Convert_0888_to_555_reverse
2361 (width,lines,
2362 srcbits,-bmpImage->bytes_per_line,
2363 dstbits,linebytes);
2364 } else {
2365 /* ==== rgb 0888 bmp -> bgr 565 dib ==== */
2366 /* ==== bgr 0888 bmp -> rgb 565 dib ==== */
2367 convs->Convert_0888_to_565_reverse
2368 (width,lines,
2369 srcbits,-bmpImage->bytes_per_line,
2370 dstbits,linebytes);
2371 }
2372 }
2373 }
2374 break;
2375
2376 case 1:
2377 case 4:
2378 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
2379 /* ==== pal 1 or 4 bmp -> rgb or bgr 555 or 565 dib ==== */
2380 int rShift,gShift,bShift;
2381 WORD* dstpixel;
2382
2383 /* Shift everything 16 bits left so that all shifts are >0,
2384 * even for BGR DIBs. Then a single >> 16 will bring everything
2385 * back into place.
2386 */
2387 rShift=16+X11DRV_DIB_MaskToShift(rDst)-3;
2388 gShift=16+X11DRV_DIB_MaskToShift(gDst)-3;
2389 bShift=16+X11DRV_DIB_MaskToShift(bDst)-3;
2390 if (gDst==0x07e0) {
2391 /* 6 bits for the green */
2392 gShift++;
2393 }
2394 rDst=rDst << 16;
2395 gDst=gDst << 16;
2396 bDst=bDst << 16;
2397 for (h = lines - 1; h >= 0; h--) {
2398 dstpixel=(LPWORD)dstbits;
2399 for (x = 0; x < width; x++) {
2400 PALETTEENTRY srcval;
2401 DWORD dstval;
2402 srcval=srccolors[XGetPixel(bmpImage, x, h)];
2403 dstval=((srcval.peRed << rShift) & rDst) |
2404 ((srcval.peGreen << gShift) & gDst) |
2405 ((srcval.peBlue << bShift) & bDst);
2406 *dstpixel++=dstval >> 16;
2407 }
2408 dstbits += linebytes;
2409 }
2410 } else {
2411 goto notsupported;
2412 }
2413 break;
2414
2415 case 8:
2416 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
2417 /* ==== pal 8 bmp -> rgb or bgr 555 or 565 dib ==== */
2418 int rShift,gShift,bShift;
2419 const BYTE* srcbits;
2420 const BYTE* srcpixel;
2421 WORD* dstpixel;
2422
2423 /* Shift everything 16 bits left so that all shifts are >0,
2424 * even for BGR DIBs. Then a single >> 16 will bring everything
2425 * back into place.
2426 */
2427 rShift=16+X11DRV_DIB_MaskToShift(rDst)-3;
2428 gShift=16+X11DRV_DIB_MaskToShift(gDst)-3;
2429 bShift=16+X11DRV_DIB_MaskToShift(bDst)-3;
2430 if (gDst==0x07e0) {
2431 /* 6 bits for the green */
2432 gShift++;
2433 }
2434 rDst=rDst << 16;
2435 gDst=gDst << 16;
2436 bDst=bDst << 16;
2437 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
2438 for (h=0; h<lines; h++) {
2439 srcpixel=srcbits;
2440 dstpixel=(LPWORD)dstbits;
2441 for (x = 0; x < width; x++) {
2442 PALETTEENTRY srcval;
2443 DWORD dstval;
2444 srcval=srccolors[(int)*srcpixel++];
2445 dstval=((srcval.peRed << rShift) & rDst) |
2446 ((srcval.peGreen << gShift) & gDst) |
2447 ((srcval.peBlue << bShift) & bDst);
2448 *dstpixel++=dstval >> 16;
2449 }
2450 srcbits -= bmpImage->bytes_per_line;
2451 dstbits += linebytes;
2452 }
2453 } else {
2454 goto notsupported;
2455 }
2456 break;
2457
2458 default:
2459 notsupported:
2460 {
2461 /* ==== any bmp format -> rgb or bgr 555 or 565 dib ==== */
2462 int rShift,gShift,bShift;
2463 WORD* dstpixel;
2464
2465 WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 16 bit DIB (%lx,%lx,%lx)\n",
2466 bmpImage->depth, bmpImage->red_mask,
2467 bmpImage->green_mask, bmpImage->blue_mask,
2468 rDst, gDst, bDst);
2469
2470 /* Shift everything 16 bits left so that all shifts are >0,
2471 * even for BGR DIBs. Then a single >> 16 will bring everything
2472 * back into place.
2473 */
2474 rShift=16+X11DRV_DIB_MaskToShift(rDst)-3;
2475 gShift=16+X11DRV_DIB_MaskToShift(gDst)-3;
2476 bShift=16+X11DRV_DIB_MaskToShift(bDst)-3;
2477 if (gDst==0x07e0) {
2478 /* 6 bits for the green */
2479 gShift++;
2480 }
2481 rDst=rDst << 16;
2482 gDst=gDst << 16;
2483 bDst=bDst << 16;
2484 for (h = lines - 1; h >= 0; h--) {
2485 dstpixel=(LPWORD)dstbits;
2486 for (x = 0; x < width; x++) {
2487 COLORREF srcval;
2488 DWORD dstval;
2489 srcval=X11DRV_PALETTE_ToLogical(XGetPixel(bmpImage, x, h));
2490 dstval=((GetRValue(srcval) << rShift) & rDst) |
2491 ((GetGValue(srcval) << gShift) & gDst) |
2492 ((GetBValue(srcval) << bShift) & bDst);
2493 *dstpixel++=dstval >> 16;
2494 }
2495 dstbits += linebytes;
2496 }
2497 }
2498 break;
2499 }
2500 }
2501
2502
2503 /***********************************************************************
2504 * X11DRV_DIB_SetImageBits_24
2505 *
2506 * SetDIBits for a 24-bit deep DIB.
2507 */
2508 static void X11DRV_DIB_SetImageBits_24( int lines, const BYTE *srcbits,
2509 DWORD srcwidth, DWORD dstwidth, int left,
2510 X11DRV_PDEVICE *physDev,
2511 DWORD rSrc, DWORD gSrc, DWORD bSrc,
2512 XImage *bmpImage, DWORD linebytes )
2513 {
2514 DWORD x;
2515 int h, width = min(srcwidth, dstwidth);
2516 const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap;
2517
2518 if (lines < 0 )
2519 {
2520 lines = -lines;
2521 srcbits = srcbits + linebytes * (lines - 1);
2522 linebytes = -linebytes;
2523 }
2524
2525 switch (bmpImage->depth)
2526 {
2527 case 24:
2528 if (bmpImage->bits_per_pixel==24) {
2529 char* dstbits;
2530
2531 srcbits=srcbits+left*3;
2532 dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line;
2533
2534 if (bmpImage->green_mask!=0x00ff00 ||
2535 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2536 goto notsupported;
2537 } else if (rSrc==bmpImage->red_mask) {
2538 /* ==== rgb 888 dib -> rgb 888 bmp ==== */
2539 /* ==== bgr 888 dib -> bgr 888 bmp ==== */
2540 convs->Convert_888_asis
2541 (width,lines,
2542 srcbits,linebytes,
2543 dstbits,-bmpImage->bytes_per_line);
2544 } else {
2545 /* ==== rgb 888 dib -> bgr 888 bmp ==== */
2546 /* ==== bgr 888 dib -> rgb 888 bmp ==== */
2547 convs->Convert_888_reverse
2548 (width,lines,
2549 srcbits,linebytes,
2550 dstbits,-bmpImage->bytes_per_line);
2551 }
2552 break;
2553 }
2554 /* fall through */
2555
2556 case 32:
2557 {
2558 char* dstbits;
2559
2560 srcbits=srcbits+left*3;
2561 dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
2562
2563 if (bmpImage->green_mask!=0x00ff00 ||
2564 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2565 goto notsupported;
2566 } else if (rSrc==bmpImage->red_mask) {
2567 /* ==== rgb 888 dib -> rgb 0888 bmp ==== */
2568 /* ==== bgr 888 dib -> bgr 0888 bmp ==== */
2569 convs->Convert_888_to_0888_asis
2570 (width,lines,
2571 srcbits,linebytes,
2572 dstbits,-bmpImage->bytes_per_line);
2573 } else {
2574 /* ==== rgb 888 dib -> bgr 0888 bmp ==== */
2575 /* ==== bgr 888 dib -> rgb 0888 bmp ==== */
2576 convs->Convert_888_to_0888_reverse
2577 (width,lines,
2578 srcbits,linebytes,
2579 dstbits,-bmpImage->bytes_per_line);
2580 }
2581 break;
2582 }
2583
2584 case 15:
2585 case 16:
2586 {
2587 char* dstbits;
2588
2589 srcbits=srcbits+left*3;
2590 dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
2591
2592 if (bmpImage->green_mask==0x03e0) {
2593 if ((rSrc==0xff0000 && bmpImage->red_mask==0x7f00) ||
2594 (bSrc==0xff0000 && bmpImage->blue_mask==0x7f00)) {
2595 /* ==== rgb 888 dib -> rgb 555 bmp ==== */
2596 /* ==== bgr 888 dib -> bgr 555 bmp ==== */
2597 convs->Convert_888_to_555_asis
2598 (width,lines,
2599 srcbits,linebytes,
2600 dstbits,-bmpImage->bytes_per_line);
2601 } else if ((rSrc==0xff && bmpImage->red_mask==0x7f00) ||
2602 (bSrc==0xff && bmpImage->blue_mask==0x7f00)) {
2603 /* ==== rgb 888 dib -> bgr 555 bmp ==== */
2604 /* ==== bgr 888 dib -> rgb 555 bmp ==== */
2605 convs->Convert_888_to_555_reverse
2606 (width,lines,
2607 srcbits,linebytes,
2608 dstbits,-bmpImage->bytes_per_line);
2609 } else {
2610 goto notsupported;
2611 }
2612 } else if (bmpImage->green_mask==0x07e0) {
2613 if ((rSrc==0xff0000 && bmpImage->red_mask==0xf800) ||
2614 (bSrc==0xff0000 && bmpImage->blue_mask==0xf800)) {
2615 /* ==== rgb 888 dib -> rgb 565 bmp ==== */
2616 /* ==== bgr 888 dib -> bgr 565 bmp ==== */
2617 convs->Convert_888_to_565_asis
2618 (width,lines,
2619 srcbits,linebytes,
2620 dstbits,-bmpImage->bytes_per_line);
2621 } else if ((rSrc==0xff && bmpImage->red_mask==0xf800) ||
2622 (bSrc==0xff && bmpImage->blue_mask==0xf800)) {
2623 /* ==== rgb 888 dib -> bgr 565 bmp ==== */
2624 /* ==== bgr 888 dib -> rgb 565 bmp ==== */
2625 convs->Convert_888_to_565_reverse
2626 (width,lines,
2627 srcbits,linebytes,
2628 dstbits,-bmpImage->bytes_per_line);
2629 } else {
2630 goto notsupported;
2631 }
2632 } else {
2633 goto notsupported;
2634 }
2635 }
2636 break;
2637
2638 default:
2639 notsupported:
2640 WARN("from 24 bit DIB (%lx,%lx,%lx) to unknown %d bit bitmap (%lx,%lx,%lx)\n",
2641 rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask,
2642 bmpImage->green_mask, bmpImage->blue_mask );
2643 /* fall through */
2644 case 1:
2645 case 4:
2646 case 8:
2647 {
2648 /* ==== rgb 888 dib -> any bmp bormat ==== */
2649 const BYTE* srcbyte;
2650
2651 /* Windows only supports one 24bpp DIB format: RGB888 */
2652 srcbits+=left*3;
2653 for (h = lines - 1; h >= 0; h--) {
2654 srcbyte=(const BYTE*)srcbits;
2655 for (x = left; x < width+left; x++) {
2656 XPutPixel(bmpImage, x, h,
2657 X11DRV_PALETTE_ToPhysical
2658 (physDev, RGB(srcbyte[2], srcbyte[1], srcbyte[0])));
2659 srcbyte+=3;
2660 }
2661 srcbits += linebytes;
2662 }
2663 }
2664 break;
2665 }
2666 }
2667
2668
2669 /***********************************************************************
2670 * X11DRV_DIB_GetImageBits_24
2671 *
2672 * GetDIBits for an 24-bit deep DIB.
2673 */
2674 static void X11DRV_DIB_GetImageBits_24( int lines, BYTE *dstbits,
2675 DWORD dstwidth, DWORD srcwidth,
2676 PALETTEENTRY *srccolors,
2677 DWORD rDst, DWORD gDst, DWORD bDst,
2678 XImage *bmpImage, DWORD linebytes )
2679 {
2680 DWORD x;
2681 int h, width = min(srcwidth, dstwidth);
2682 const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap;
2683
2684 if (lines < 0 )
2685 {
2686 lines = -lines;
2687 dstbits = dstbits + ( linebytes * (lines-1) );
2688 linebytes = -linebytes;
2689 }
2690
2691 switch (bmpImage->depth)
2692 {
2693 case 24:
2694 if (bmpImage->bits_per_pixel==24) {
2695 const char* srcbits;
2696
2697 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
2698
2699 if (bmpImage->green_mask!=0x00ff00 ||
2700 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2701 goto notsupported;
2702 } else if (rDst==bmpImage->red_mask) {
2703 /* ==== rgb 888 bmp -> rgb 888 dib ==== */
2704 /* ==== bgr 888 bmp -> bgr 888 dib ==== */
2705 convs->Convert_888_asis
2706 (width,lines,
2707 srcbits,-bmpImage->bytes_per_line,
2708 dstbits,linebytes);
2709 } else {
2710 /* ==== rgb 888 bmp -> bgr 888 dib ==== */
2711 /* ==== bgr 888 bmp -> rgb 888 dib ==== */
2712 convs->Convert_888_reverse
2713 (width,lines,
2714 srcbits,-bmpImage->bytes_per_line,
2715 dstbits,linebytes);
2716 }
2717 break;
2718 }
2719 /* fall through */
2720
2721 case 32:
2722 {
2723 const char* srcbits;
2724
2725 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
2726
2727 if (bmpImage->green_mask!=0x00ff00 ||
2728 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2729 goto notsupported;
2730 } else if (rDst==bmpImage->red_mask) {
2731 /* ==== rgb 888 bmp -> rgb 0888 dib ==== */
2732 /* ==== bgr 888 bmp -> bgr 0888 dib ==== */
2733 convs->Convert_0888_to_888_asis
2734 (width,lines,
2735 srcbits,-bmpImage->bytes_per_line,
2736 dstbits,linebytes);
2737 } else {
2738 /* ==== rgb 888 bmp -> bgr 0888 dib ==== */
2739 /* ==== bgr 888 bmp -> rgb 0888 dib ==== */
2740 convs->Convert_0888_to_888_reverse
2741 (width,lines,
2742 srcbits,-bmpImage->bytes_per_line,
2743 dstbits,linebytes);
2744 }
2745 break;
2746 }
2747
2748 case 15:
2749 case 16:
2750 {
2751 const char* srcbits;
2752
2753 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
2754
2755 if (bmpImage->green_mask==0x03e0) {
2756 if ((rDst==0xff0000 && bmpImage->red_mask==0x7f00) ||
2757 (bDst==0xff0000 && bmpImage->blue_mask==0x7f00)) {
2758 /* ==== rgb 555 bmp -> rgb 888 dib ==== */
2759 /* ==== bgr 555 bmp -> bgr 888 dib ==== */
2760 convs->Convert_555_to_888_asis
2761 (width,lines,
2762 srcbits,-bmpImage->bytes_per_line,
2763 dstbits,linebytes);
2764 } else if ((rDst==0xff && bmpImage->red_mask==0x7f00) ||
2765 (bDst==0xff && bmpImage->blue_mask==0x7f00)) {
2766 /* ==== rgb 555 bmp -> bgr 888 dib ==== */
2767 /* ==== bgr 555 bmp -> rgb 888 dib ==== */
2768 convs->Convert_555_to_888_reverse
2769 (width,lines,
2770 srcbits,-bmpImage->bytes_per_line,
2771 dstbits,linebytes);
2772 } else {
2773 goto notsupported;
2774 }
2775 } else if (bmpImage->green_mask==0x07e0) {
2776 if ((rDst==0xff0000 && bmpImage->red_mask==0xf800) ||
2777 (bDst==0xff0000 && bmpImage->blue_mask==0xf800)) {
2778 /* ==== rgb 565 bmp -> rgb 888 dib ==== */
2779 /* ==== bgr 565 bmp -> bgr 888 dib ==== */
2780 convs->Convert_565_to_888_asis
2781 (width,lines,
2782 srcbits,-bmpImage->bytes_per_line,
2783 dstbits,linebytes);
2784 } else if ((rDst==0xff && bmpImage->red_mask==0xf800) ||
2785 (bDst==0xff && bmpImage->blue_mask==0xf800)) {
2786 /* ==== rgb 565 bmp -> bgr 888 dib ==== */
2787 /* ==== bgr 565 bmp -> rgb 888 dib ==== */
2788 convs->Convert_565_to_888_reverse
2789 (width,lines,
2790 srcbits,-bmpImage->bytes_per_line,
2791 dstbits,linebytes);
2792 } else {
2793 goto notsupported;
2794 }
2795 } else {
2796 goto notsupported;
2797 }
2798 }
2799 break;
2800
2801 case 1:
2802 case 4:
2803 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
2804 /* ==== pal 1 or 4 bmp -> rgb 888 dib ==== */
2805 BYTE* dstbyte;
2806
2807 /* Windows only supports one 24bpp DIB format: rgb 888 */
2808 for (h = lines - 1; h >= 0; h--) {
2809 dstbyte=dstbits;
2810 for (x = 0; x < width; x++) {
2811 PALETTEENTRY srcval;
2812 srcval=srccolors[XGetPixel(bmpImage, x, h)];
2813 dstbyte[0]=srcval.peBlue;
2814 dstbyte[1]=srcval.peGreen;
2815 dstbyte[2]=srcval.peRed;
2816 dstbyte+=3;
2817 }
2818 dstbits += linebytes;
2819 }
2820 } else {
2821 goto notsupported;
2822 }
2823 break;
2824
2825 case 8:
2826 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask == 0 && srccolors) {
2827 /* ==== pal 8 bmp -> rgb 888 dib ==== */
2828 const void* srcbits;
2829 const BYTE* srcpixel;
2830 BYTE* dstbyte;
2831
2832 /* Windows only supports one 24bpp DIB format: rgb 888 */
2833 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
2834 for (h = lines - 1; h >= 0; h--) {
2835 srcpixel=srcbits;
2836 dstbyte=dstbits;
2837 for (x = 0; x < width; x++ ) {
2838 PALETTEENTRY srcval;
2839 srcval=srccolors[(int)*srcpixel++];
2840 dstbyte[0]=srcval.peBlue;
2841 dstbyte[1]=srcval.peGreen;
2842 dstbyte[2]=srcval.peRed;
2843 dstbyte+=3;
2844 }
2845 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
2846 dstbits += linebytes;
2847 }
2848 } else {
2849 goto notsupported;
2850 }
2851 break;
2852
2853 default:
2854 notsupported:
2855 {
2856 /* ==== any bmp format -> 888 dib ==== */
2857 BYTE* dstbyte;
2858
2859 WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 24 bit DIB (%lx,%lx,%lx)\n",
2860 bmpImage->depth, bmpImage->red_mask,
2861 bmpImage->green_mask, bmpImage->blue_mask,
2862 rDst, gDst, bDst );
2863
2864 /* Windows only supports one 24bpp DIB format: rgb 888 */
2865 for (h = lines - 1; h >= 0; h--) {
2866 dstbyte=dstbits;
2867 for (x = 0; x < width; x++) {
2868 COLORREF srcval=X11DRV_PALETTE_ToLogical
2869 (XGetPixel( bmpImage, x, h ));
2870 dstbyte[0]=GetBValue(srcval);
2871 dstbyte[1]=GetGValue(srcval);
2872 dstbyte[2]=GetRValue(srcval);
2873 dstbyte+=3;
2874 }
2875 dstbits += linebytes;
2876 }
2877 }
2878 break;
2879 }
2880 }
2881
2882
2883 /***********************************************************************
2884 * X11DRV_DIB_SetImageBits_32
2885 *
2886 * SetDIBits for a 32-bit deep DIB.
2887 */
2888 static void X11DRV_DIB_SetImageBits_32(int lines, const BYTE *srcbits,
2889 DWORD srcwidth, DWORD dstwidth, int left,
2890 X11DRV_PDEVICE *physDev,
2891 DWORD rSrc, DWORD gSrc, DWORD bSrc,
2892 XImage *bmpImage,
2893 DWORD linebytes)
2894 {
2895 DWORD x;
2896 const DWORD *ptr;
2897 int h, width = min(srcwidth, dstwidth);
2898 const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap;
2899
2900 if (lines < 0 )
2901 {
2902 lines = -lines;
2903 srcbits = srcbits + ( linebytes * (lines-1) );
2904 linebytes = -linebytes;
2905 }
2906
2907 ptr = (const DWORD *) srcbits + left;
2908
2909 switch (bmpImage->depth)
2910 {
2911 case 24:
2912 if (bmpImage->bits_per_pixel==24) {
2913 char* dstbits;
2914
2915 srcbits=srcbits+left*4;
2916 dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line;
2917
2918 if (rSrc==bmpImage->red_mask && gSrc==bmpImage->green_mask && bSrc==bmpImage->blue_mask) {
2919 /* ==== rgb 0888 dib -> rgb 888 bmp ==== */
2920 /* ==== bgr 0888 dib -> bgr 888 bmp ==== */
2921 convs->Convert_0888_to_888_asis
2922 (width,lines,
2923 srcbits,linebytes,
2924 dstbits,-bmpImage->bytes_per_line);
2925 } else if (bmpImage->green_mask!=0x00ff00 ||
2926 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2927 goto notsupported;
2928 /* the tests below assume sane bmpImage masks */
2929 } else if (rSrc==bmpImage->blue_mask && gSrc==bmpImage->green_mask && bSrc==bmpImage->red_mask) {
2930 /* ==== rgb 0888 dib -> bgr 888 bmp ==== */
2931 /* ==== bgr 0888 dib -> rgb 888 bmp ==== */
2932 convs->Convert_0888_to_888_reverse
2933 (width,lines,
2934 srcbits,linebytes,
2935 dstbits,-bmpImage->bytes_per_line);
2936 } else if (bmpImage->blue_mask==0xff) {
2937 /* ==== any 0888 dib -> rgb 888 bmp ==== */
2938 convs->Convert_any0888_to_rgb888
2939 (width,lines,
2940 srcbits,linebytes,
2941 rSrc,gSrc,bSrc,
2942 dstbits,-bmpImage->bytes_per_line);
2943 } else {
2944 /* ==== any 0888 dib -> bgr 888 bmp ==== */
2945 convs->Convert_any0888_to_bgr888
2946 (width,lines,
2947 srcbits,linebytes,
2948 rSrc,gSrc,bSrc,
2949 dstbits,-bmpImage->bytes_per_line);
2950 }
2951 break;
2952 }
2953 /* fall through */
2954
2955 case 32:
2956 {
2957 char* dstbits;
2958
2959 srcbits=srcbits+left*4;
2960 dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
2961
2962 if (gSrc==bmpImage->green_mask) {
2963 if (rSrc==bmpImage->red_mask && bSrc==bmpImage->blue_mask) {
2964 /* ==== rgb 0888 dib -> rgb 0888 bmp ==== */
2965 /* ==== bgr 0888 dib -> bgr 0888 bmp ==== */
2966 convs->Convert_0888_asis
2967 (width,lines,
2968 srcbits,linebytes,
2969 dstbits,-bmpImage->bytes_per_line);
2970 } else if (bmpImage->green_mask!=0x00ff00 ||
2971 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2972 goto notsupported;
2973 /* the tests below assume sane bmpImage masks */
2974 } else if (rSrc==bmpImage->blue_mask && bSrc==bmpImage->red_mask) {
2975 /* ==== rgb 0888 dib -> bgr 0888 bmp ==== */
2976 /* ==== bgr 0888 dib -> rgb 0888 bmp ==== */
2977 convs->Convert_0888_reverse
2978 (width,lines,
2979 srcbits,linebytes,
2980 dstbits,-bmpImage->bytes_per_line);
2981 } else {
2982 /* ==== any 0888 dib -> any 0888 bmp ==== */
2983 convs->Convert_0888_any
2984 (width,lines,
2985 srcbits,linebytes,
2986 rSrc,gSrc,bSrc,
2987 dstbits,-bmpImage->bytes_per_line,
2988 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
2989 }
2990 } else if (bmpImage->green_mask!=0x00ff00 ||
2991 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
2992 goto notsupported;
2993 /* the tests below assume sane bmpImage masks */
2994 } else {
2995 /* ==== any 0888 dib -> any 0888 bmp ==== */
2996 convs->Convert_0888_any
2997 (width,lines,
2998 srcbits,linebytes,
2999 rSrc,gSrc,bSrc,
3000 dstbits,-bmpImage->bytes_per_line,
3001 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
3002 }
3003 }
3004 break;
3005
3006 case 15:
3007 case 16:
3008 {
3009 char* dstbits;
3010
3011 srcbits=srcbits+left*4;
3012 dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
3013
3014 if (rSrc==0xff0000 && gSrc==0x00ff00 && bSrc==0x0000ff) {
3015 if (bmpImage->green_mask==0x03e0) {
3016 if (bmpImage->red_mask==0x7f00) {
3017 /* ==== rgb 0888 dib -> rgb 555 bmp ==== */
3018 convs->Convert_0888_to_555_asis
3019 (width,lines,
3020 srcbits,linebytes,
3021 dstbits,-bmpImage->bytes_per_line);
3022 } else if (bmpImage->blue_mask==0x7f00) {
3023 /* ==== rgb 0888 dib -> bgr 555 bmp ==== */
3024 convs->Convert_0888_to_555_reverse
3025 (width,lines,
3026 srcbits,linebytes,
3027 dstbits,-bmpImage->bytes_per_line);
3028 } else {
3029 goto notsupported;
3030 }
3031 } else if (bmpImage->green_mask==0x07e0) {
3032 if (bmpImage->red_mask==0xf800) {
3033 /* ==== rgb 0888 dib -> rgb 565 bmp ==== */
3034 convs->Convert_0888_to_565_asis
3035 (width,lines,
3036 srcbits,linebytes,
3037 dstbits,-bmpImage->bytes_per_line);
3038 } else if (bmpImage->blue_mask==0xf800) {
3039 /* ==== rgb 0888 dib -> bgr 565 bmp ==== */
3040 convs->Convert_0888_to_565_reverse
3041 (width,lines,
3042 srcbits,linebytes,
3043 dstbits,-bmpImage->bytes_per_line);
3044 } else {
3045 goto notsupported;
3046 }
3047 } else {
3048 goto notsupported;
3049 }
3050 } else if (rSrc==0x0000ff && gSrc==0x00ff00 && bSrc==0xff0000) {
3051 if (bmpImage->green_mask==0x03e0) {
3052 if (bmpImage->blue_mask==0x7f00) {
3053 /* ==== bgr 0888 dib -> bgr 555 bmp ==== */
3054 convs->Convert_0888_to_555_asis
3055 (width,lines,
3056 srcbits,linebytes,
3057 dstbits,-bmpImage->bytes_per_line);
3058 } else if (bmpImage->red_mask==0x7f00) {
3059 /* ==== bgr 0888 dib -> rgb 555 bmp ==== */
3060 convs->Convert_0888_to_555_reverse
3061 (width,lines,
3062 srcbits,linebytes,
3063 dstbits,-bmpImage->bytes_per_line);
3064 } else {
3065 goto notsupported;
3066 }
3067 } else if (bmpImage->green_mask==0x07e0) {
3068 if (bmpImage->blue_mask==0xf800) {
3069 /* ==== bgr 0888 dib -> bgr 565 bmp ==== */
3070 convs->Convert_0888_to_565_asis
3071 (width,lines,
3072 srcbits,linebytes,
3073 dstbits,-bmpImage->bytes_per_line);
3074 } else if (bmpImage->red_mask==0xf800) {
3075 /* ==== bgr 0888 dib -> rgb 565 bmp ==== */
3076 convs->Convert_0888_to_565_reverse
3077 (width,lines,
3078 srcbits,linebytes,
3079 dstbits,-bmpImage->bytes_per_line);
3080 } else {
3081 goto notsupported;
3082 }
3083 } else {
3084 goto notsupported;
3085 }
3086 } else {
3087 if (bmpImage->green_mask==0x03e0 &&
3088 (bmpImage->red_mask==0x7f00 ||
3089 bmpImage->blue_mask==0x7f00)) {
3090 /* ==== any 0888 dib -> rgb or bgr 555 bmp ==== */
3091 convs->Convert_any0888_to_5x5
3092 (width,lines,
3093 srcbits,linebytes,
3094 rSrc,gSrc,bSrc,
3095 dstbits,-bmpImage->bytes_per_line,
3096 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
3097 } else if (bmpImage->green_mask==0x07e0 &&
3098 (bmpImage->red_mask==0xf800 ||
3099 bmpImage->blue_mask==0xf800)) {
3100 /* ==== any 0888 dib -> rgb or bgr 565 bmp ==== */
3101 convs->Convert_any0888_to_5x5
3102 (width,lines,
3103 srcbits,linebytes,
3104 rSrc,gSrc,bSrc,
3105 dstbits,-bmpImage->bytes_per_line,
3106 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
3107 } else {
3108 goto notsupported;
3109 }
3110 }
3111 }
3112 break;
3113
3114 default:
3115 notsupported:
3116 WARN("from 32 bit DIB (%lx,%lx,%lx) to unknown %d bit bitmap (%lx,%lx,%lx)\n",
3117 rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask,
3118 bmpImage->green_mask, bmpImage->blue_mask );
3119 /* fall through */
3120 case 1:
3121 case 4:
3122 case 8:
3123 {
3124 /* ==== any 0888 dib -> pal 1, 4 or 8 bmp ==== */
3125 const DWORD* srcpixel;
3126 int rShift,gShift,bShift;
3127
3128 rShift=X11DRV_DIB_MaskToShift(rSrc);
3129 gShift=X11DRV_DIB_MaskToShift(gSrc);
3130 bShift=X11DRV_DIB_MaskToShift(bSrc);
3131 srcbits+=left*4;
3132 for (h = lines - 1; h >= 0; h--) {
3133 srcpixel=(const DWORD*)srcbits;
3134 for (x = left; x < width+left; x++) {
3135 DWORD srcvalue;
3136 BYTE red,green,blue;
3137 srcvalue=*srcpixel++;
3138 red= (srcvalue >> rShift) & 0xff;
3139 green=(srcvalue >> gShift) & 0xff;
3140 blue= (srcvalue >> bShift) & 0xff;
3141 XPutPixel(bmpImage, x, h, X11DRV_PALETTE_ToPhysical
3142 (physDev, RGB(red,green,blue)));
3143 }
3144 srcbits += linebytes;
3145 }
3146 }
3147 break;
3148 }
3149
3150 }
3151
3152 /***********************************************************************
3153 * X11DRV_DIB_GetImageBits_32
3154 *
3155 * GetDIBits for an 32-bit deep DIB.
3156 */
3157 static void X11DRV_DIB_GetImageBits_32( int lines, BYTE *dstbits,
3158 DWORD dstwidth, DWORD srcwidth,
3159 PALETTEENTRY *srccolors,
3160 DWORD rDst, DWORD gDst, DWORD bDst,
3161 XImage *bmpImage, DWORD linebytes )
3162 {
3163 DWORD x;
3164 int h, width = min(srcwidth, dstwidth);
3165 BYTE *bits;
3166 const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap;
3167
3168 if (lines < 0 )
3169 {
3170 lines = -lines;
3171 dstbits = dstbits + ( linebytes * (lines-1) );
3172 linebytes = -linebytes;
3173 }
3174
3175 bits = dstbits;
3176
3177 switch (bmpImage->depth)
3178 {
3179 case 24:
3180 if (bmpImage->bits_per_pixel==24) {
3181 const void* srcbits;
3182
3183 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
3184
3185 if (rDst==bmpImage->red_mask && gDst==bmpImage->green_mask && bDst==bmpImage->blue_mask) {
3186 /* ==== rgb 888 bmp -> rgb 0888 dib ==== */
3187 /* ==== bgr 888 bmp -> bgr 0888 dib ==== */
3188 convs->Convert_888_to_0888_asis
3189 (width,lines,
3190 srcbits,-bmpImage->bytes_per_line,
3191 dstbits,linebytes);
3192 } else if (bmpImage->green_mask!=0x00ff00 ||
3193 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
3194 goto notsupported;
3195 /* the tests below assume sane bmpImage masks */
3196 } else if (rDst==bmpImage->blue_mask && gDst==bmpImage->green_mask && bDst==bmpImage->red_mask) {
3197 /* ==== rgb 888 bmp -> bgr 0888 dib ==== */
3198 /* ==== bgr 888 bmp -> rgb 0888 dib ==== */
3199 convs->Convert_888_to_0888_reverse
3200 (width,lines,
3201 srcbits,-bmpImage->bytes_per_line,
3202 dstbits,linebytes);
3203 } else if (bmpImage->blue_mask==0xff) {
3204 /* ==== rgb 888 bmp -> any 0888 dib ==== */
3205 convs->Convert_rgb888_to_any0888
3206 (width,lines,
3207 srcbits,-bmpImage->bytes_per_line,
3208 dstbits,linebytes,
3209 rDst,gDst,bDst);
3210 } else {
3211 /* ==== bgr 888 bmp -> any 0888 dib ==== */
3212 convs->Convert_bgr888_to_any0888
3213 (width,lines,
3214 srcbits,-bmpImage->bytes_per_line,
3215 dstbits,linebytes,
3216 rDst,gDst,bDst);
3217 }
3218 break;
3219 }
3220 /* fall through */
3221
3222 case 32:
3223 {
3224 const char* srcbits;
3225
3226 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
3227
3228 if (gDst==bmpImage->green_mask) {
3229 if (rDst==bmpImage->red_mask && bDst==bmpImage->blue_mask) {
3230 /* ==== rgb 0888 bmp -> rgb 0888 dib ==== */
3231 /* ==== bgr 0888 bmp -> bgr 0888 dib ==== */
3232 convs->Convert_0888_asis
3233 (width,lines,
3234 srcbits,-bmpImage->bytes_per_line,
3235 dstbits,linebytes);
3236 } else if (bmpImage->green_mask!=0x00ff00 ||
3237 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
3238 goto notsupported;
3239 /* the tests below assume sane bmpImage masks */
3240 } else if (rDst==bmpImage->blue_mask && bDst==bmpImage->red_mask) {
3241 /* ==== rgb 0888 bmp -> bgr 0888 dib ==== */
3242 /* ==== bgr 0888 bmp -> rgb 0888 dib ==== */
3243 convs->Convert_0888_reverse
3244 (width,lines,
3245 srcbits,-bmpImage->bytes_per_line,
3246 dstbits,linebytes);
3247 } else {
3248 /* ==== any 0888 bmp -> any 0888 dib ==== */
3249 convs->Convert_0888_any
3250 (width,lines,
3251 srcbits,-bmpImage->bytes_per_line,
3252 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask,
3253 dstbits,linebytes,
3254 rDst,gDst,bDst);
3255 }
3256 } else if (bmpImage->green_mask!=0x00ff00 ||
3257 (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) {
3258 goto notsupported;
3259 /* the tests below assume sane bmpImage masks */
3260 } else {
3261 /* ==== any 0888 bmp -> any 0888 dib ==== */
3262 convs->Convert_0888_any
3263 (width,lines,
3264 srcbits,-bmpImage->bytes_per_line,
3265 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask,
3266 dstbits,linebytes,
3267 rDst,gDst,bDst);
3268 }
3269 }
3270 break;
3271
3272 case 15:
3273 case 16:
3274 {
3275 const char* srcbits;
3276
3277 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
3278
3279 if (rDst==0xff0000 && gDst==0x00ff00 && bDst==0x0000ff) {
3280 if (bmpImage->green_mask==0x03e0) {
3281 if (bmpImage->red_mask==0x7f00) {
3282 /* ==== rgb 555 bmp -> rgb 0888 dib ==== */
3283 convs->Convert_555_to_0888_asis
3284 (width,lines,
3285 srcbits,-bmpImage->bytes_per_line,
3286 dstbits,linebytes);
3287 } else if (bmpImage->blue_mask==0x7f00) {
3288 /* ==== bgr 555 bmp -> rgb 0888 dib ==== */
3289 convs->Convert_555_to_0888_reverse
3290 (width,lines,
3291 srcbits,-bmpImage->bytes_per_line,
3292 dstbits,linebytes);
3293 } else {
3294 goto notsupported;
3295 }
3296 } else if (bmpImage->green_mask==0x07e0) {
3297 if (bmpImage->red_mask==0xf800) {
3298 /* ==== rgb 565 bmp -> rgb 0888 dib ==== */
3299 convs->Convert_565_to_0888_asis
3300 (width,lines,
3301 srcbits,-bmpImage->bytes_per_line,
3302 dstbits,linebytes);
3303 } else if (bmpImage->blue_mask==0xf800) {
3304 /* ==== bgr 565 bmp -> rgb 0888 dib ==== */
3305 convs->Convert_565_to_0888_reverse
3306 (width,lines,
3307 srcbits,-bmpImage->bytes_per_line,
3308 dstbits,linebytes);
3309 } else {
3310 goto notsupported;
3311 }
3312 } else {
3313 goto notsupported;
3314 }
3315 } else if (rDst==0x0000ff && gDst==0x00ff00 && bDst==0xff0000) {
3316 if (bmpImage->green_mask==0x03e0) {
3317 if (bmpImage->blue_mask==0x7f00) {
3318 /* ==== bgr 555 bmp -> bgr 0888 dib ==== */
3319 convs->Convert_555_to_0888_asis
3320 (width,lines,
3321 srcbits,-bmpImage->bytes_per_line,
3322 dstbits,linebytes);
3323 } else if (bmpImage->red_mask==0x7f00) {
3324 /* ==== rgb 555 bmp -> bgr 0888 dib ==== */
3325 convs->Convert_555_to_0888_reverse
3326 (width,lines,
3327 srcbits,-bmpImage->bytes_per_line,
3328 dstbits,linebytes);
3329 } else {
3330 goto notsupported;
3331 }
3332 } else if (bmpImage->green_mask==0x07e0) {
3333 if (bmpImage->blue_mask==0xf800) {
3334 /* ==== bgr 565 bmp -> bgr 0888 dib ==== */
3335 convs->Convert_565_to_0888_asis
3336 (width,lines,
3337 srcbits,-bmpImage->bytes_per_line,
3338 dstbits,linebytes);
3339 } else if (bmpImage->red_mask==0xf800) {
3340 /* ==== rgb 565 bmp -> bgr 0888 dib ==== */
3341 convs->Convert_565_to_0888_reverse
3342 (width,lines,
3343 srcbits,-bmpImage->bytes_per_line,
3344 dstbits,linebytes);
3345 } else {
3346 goto notsupported;
3347 }
3348 } else {
3349 goto notsupported;
3350 }
3351 } else {
3352 if (bmpImage->green_mask==0x03e0 &&
3353 (bmpImage->red_mask==0x7f00 ||
3354 bmpImage->blue_mask==0x7f00)) {
3355 /* ==== rgb or bgr 555 bmp -> any 0888 dib ==== */
3356 convs->Convert_5x5_to_any0888
3357 (width,lines,
3358 srcbits,-bmpImage->bytes_per_line,
3359 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask,
3360 dstbits,linebytes,
3361 rDst,gDst,bDst);
3362 } else if (bmpImage->green_mask==0x07e0 &&
3363 (bmpImage->red_mask==0xf800 ||
3364 bmpImage->blue_mask==0xf800)) {
3365 /* ==== rgb or bgr 565 bmp -> any 0888 dib ==== */
3366 convs->Convert_5x5_to_any0888
3367 (width,lines,
3368 srcbits,-bmpImage->bytes_per_line,
3369 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask,
3370 dstbits,linebytes,
3371 rDst,gDst,bDst);
3372 } else {
3373 goto notsupported;
3374 }
3375 }
3376 }
3377 break;
3378
3379 case 1:
3380 case 4:
3381 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
3382 /* ==== pal 1 or 4 bmp -> any 0888 dib ==== */
3383 int rShift,gShift,bShift;
3384 DWORD* dstpixel;
3385
3386 rShift=X11DRV_DIB_MaskToShift(rDst);
3387 gShift=X11DRV_DIB_MaskToShift(gDst);
3388 bShift=X11DRV_DIB_MaskToShift(bDst);
3389 for (h = lines - 1; h >= 0; h--) {
3390 dstpixel=(DWORD*)dstbits;
3391 for (x = 0; x < width; x++) {
3392 PALETTEENTRY srcval;
3393 srcval = srccolors[XGetPixel(bmpImage, x, h)];
3394 *dstpixel++=(srcval.peRed << rShift) |
3395 (srcval.peGreen << gShift) |
3396 (srcval.peBlue << bShift);
3397 }
3398 dstbits += linebytes;
3399 }
3400 } else {
3401 goto notsupported;
3402 }
3403 break;
3404
3405 case 8:
3406 if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) {
3407 /* ==== pal 8 bmp -> any 0888 dib ==== */
3408 int rShift,gShift,bShift;
3409 const void* srcbits;
3410 const BYTE* srcpixel;
3411 DWORD* dstpixel;
3412
3413 rShift=X11DRV_DIB_MaskToShift(rDst);
3414 gShift=X11DRV_DIB_MaskToShift(gDst);
3415 bShift=X11DRV_DIB_MaskToShift(bDst);
3416 srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line;
3417 for (h = lines - 1; h >= 0; h--) {
3418 srcpixel=srcbits;
3419 dstpixel=(DWORD*)dstbits;
3420 for (x = 0; x < width; x++) {
3421 PALETTEENTRY srcval;
3422 srcval=srccolors[(int)*srcpixel++];
3423 *dstpixel++=(srcval.peRed << rShift) |
3424 (srcval.peGreen << gShift) |
3425 (srcval.peBlue << bShift);
3426 }
3427 srcbits = (const char*)srcbits - bmpImage->bytes_per_line;
3428 dstbits += linebytes;
3429 }
3430 } else {
3431 goto notsupported;
3432 }
3433 break;
3434
3435 default:
3436 notsupported:
3437 {
3438 /* ==== any bmp format -> any 0888 dib ==== */
3439 int rShift,gShift,bShift;
3440 DWORD* dstpixel;
3441
3442 WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 32 bit DIB (%lx,%lx,%lx)\n",
3443 bmpImage->depth, bmpImage->red_mask,
3444 bmpImage->green_mask, bmpImage->blue_mask,
3445 rDst,gDst,bDst);
3446
3447 rShift=X11DRV_DIB_MaskToShift(rDst);
3448 gShift=X11DRV_DIB_MaskToShift(gDst);
3449 bShift=X11DRV_DIB_MaskToShift(bDst);
3450 for (h = lines - 1; h >= 0; h--) {
3451 dstpixel=(DWORD*)dstbits;
3452 for (x = 0; x < width; x++) {
3453 COLORREF srcval;
3454 srcval=X11DRV_PALETTE_ToLogical(XGetPixel(bmpImage, x, h));
3455 *dstpixel++=(GetRValue(srcval) << rShift) |
3456 (GetGValue(srcval) << gShift) |
3457 (GetBValue(srcval) << bShift);
3458 }
3459 dstbits += linebytes;
3460 }
3461 }
3462 break;
3463 }
3464 }
3465
3466 static int XGetSubImageErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
3467 {
3468 return (event->request_code == X_GetImage && event->error_code == BadMatch);
3469 }
3470
3471 /***********************************************************************
3472 * X11DRV_DIB_SetImageBits_GetSubImage
3473 *
3474 * Helper for X11DRV_DIB_SetImageBits
3475 */
3476 static void X11DRV_DIB_SetImageBits_GetSubImage(
3477 const X11DRV_DIB_IMAGEBITS_DESCR *descr, XImage *bmpImage)
3478 {
3479 /* compressed bitmaps may contain gaps in them. So make a copy
3480 * of the existing pixels first */
3481 RECT bmprc, rc;
3482
3483 SetRect( &bmprc, descr->xDest, descr->yDest,
3484 descr->xDest + descr->width , descr->yDest + descr->height );
3485 GetRgnBox( descr->physDev->region, &rc );
3486 /* convert from dc to drawable origin */
3487 OffsetRect( &rc, descr->physDev->org.x, descr->physDev->org.y);
3488 /* clip visible rect with bitmap */
3489 if( IntersectRect( &rc, &rc, &bmprc))
3490 {
3491 X11DRV_expect_error( gdi_display, XGetSubImageErrorHandler, NULL );
3492 XGetSubImage( gdi_display, descr->drawable, rc.left, rc.top,
3493 rc.right - rc.left, rc.bottom - rc.top, AllPlanes,
3494 ZPixmap, bmpImage,
3495 descr->xSrc + rc.left - bmprc.left,
3496 descr->ySrc + rc.top - bmprc.top);
3497 X11DRV_check_error();
3498 }
3499 }
3500
3501 /***********************************************************************
3502 * X11DRV_DIB_SetImageBits
3503 *
3504 * Transfer the bits to an X image.
3505 * Helper function for SetDIBits() and SetDIBitsToDevice().
3506 */
3507 static int X11DRV_DIB_SetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
3508 {
3509 int lines = descr->lines >= 0 ? descr->lines : -descr->lines;
3510 XImage *bmpImage;
3511
3512 wine_tsx11_lock();
3513 if (descr->image)
3514 bmpImage = descr->image;
3515 else {
3516 bmpImage = XCreateImage( gdi_display, visual, descr->depth, ZPixmap, 0, NULL,
3517 descr->infoWidth, lines, 32, 0 );
3518 bmpImage->data = calloc( lines, bmpImage->bytes_per_line );
3519 if(bmpImage->data == NULL) {
3520 ERR("Out of memory!\n");
3521 XDestroyImage( bmpImage );
3522 wine_tsx11_unlock();
3523 return lines;
3524 }
3525 }
3526
3527 TRACE("Dib: depth=%d r=%lx g=%lx b=%lx\n",
3528 descr->infoBpp,descr->rMask,descr->gMask,descr->bMask);
3529 TRACE("Bmp: depth=%d/%d r=%lx g=%lx b=%lx\n",
3530 bmpImage->depth,bmpImage->bits_per_pixel,
3531 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
3532
3533 /* Transfer the pixels */
3534 switch(descr->infoBpp)
3535 {
3536 case 1:
3537 X11DRV_DIB_SetImageBits_1( descr->lines, descr->bits, descr->infoWidth,
3538 descr->width, descr->xSrc, (int *)(descr->colorMap),
3539 bmpImage, descr->dibpitch );
3540 break;
3541 case 4:
3542 if (descr->compression) {
3543 X11DRV_DIB_SetImageBits_GetSubImage( descr, bmpImage);
3544 X11DRV_DIB_SetImageBits_RLE4( descr->lines, descr->bits,
3545 descr->infoWidth, descr->width,
3546 descr->xSrc, (int *)(descr->colorMap),
3547 bmpImage );
3548 } else
3549 X11DRV_DIB_SetImageBits_4( descr->lines, descr->bits,
3550 descr->infoWidth, descr->width,
3551 descr->xSrc, (int*)(descr->colorMap),
3552 bmpImage, descr->dibpitch );
3553 break;
3554 case 8:
3555 if (descr->compression) {
3556 X11DRV_DIB_SetImageBits_GetSubImage( descr, bmpImage);
3557 X11DRV_DIB_SetImageBits_RLE8( descr->lines, descr->bits,
3558 descr->infoWidth, descr->width,
3559 descr->xSrc, (int *)(descr->colorMap),
3560 bmpImage );
3561 } else
3562 X11DRV_DIB_SetImageBits_8( descr->lines, descr->bits,
3563 descr->infoWidth, descr->width,
3564 descr->xSrc, (int *)(descr->colorMap),
3565 bmpImage, descr->dibpitch );
3566 break;
3567 case 15:
3568 case 16:
3569 X11DRV_DIB_SetImageBits_16( descr->lines, descr->bits,
3570 descr->infoWidth, descr->width,
3571 descr->xSrc, descr->physDev,
3572 descr->rMask, descr->gMask, descr->bMask,
3573 bmpImage, descr->dibpitch);
3574 break;
3575 case 24:
3576 X11DRV_DIB_SetImageBits_24( descr->lines, descr->bits,
3577 descr->infoWidth, descr->width,
3578 descr->xSrc, descr->physDev,
3579 descr->rMask, descr->gMask, descr->bMask,
3580 bmpImage, descr->dibpitch);
3581 break;
3582 case 32:
3583 X11DRV_DIB_SetImageBits_32( descr->lines, descr->bits,
3584 descr->infoWidth, descr->width,
3585 descr->xSrc, descr->physDev,
3586 descr->rMask, descr->gMask, descr->bMask,
3587 bmpImage, descr->dibpitch);
3588 break;
3589 default:
3590 WARN("(%d): Invalid depth\n", descr->infoBpp );
3591 break;
3592 }
3593
3594 TRACE("XPutImage(%ld,%p,%p,%d,%d,%d,%d,%d,%d)\n",
3595 descr->drawable, descr->gc, bmpImage,
3596 descr->xSrc, descr->ySrc, descr->xDest, descr->yDest,
3597 descr->width, descr->height);
3598 #ifdef HAVE_LIBXXSHM
3599 if (descr->useShm)
3600 {
3601 XShmPutImage( gdi_display, descr->drawable, descr->gc, bmpImage,
3602 descr->xSrc, descr->ySrc, descr->xDest, descr->yDest,
3603 descr->width, descr->height, FALSE );
3604 XSync( gdi_display, 0 );
3605 }
3606 else
3607 #endif
3608 XPutImage( gdi_display, descr->drawable, descr->gc, bmpImage,
3609 descr->xSrc, descr->ySrc, descr->xDest, descr->yDest,
3610 descr->width, descr->height );
3611
3612 if (!descr->image) XDestroyImage( bmpImage );
3613 wine_tsx11_unlock();
3614 return lines;
3615 }
3616
3617 /***********************************************************************
3618 * X11DRV_DIB_GetImageBits
3619 *
3620 * Transfer the bits from an X image.
3621 */
3622 static int X11DRV_DIB_GetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
3623 {
3624 int lines = descr->lines >= 0 ? descr->lines : -descr->lines;
3625 XImage *bmpImage;
3626
3627 wine_tsx11_lock();
3628 if (descr->image)
3629 bmpImage = descr->image;
3630 else {
3631 bmpImage = XCreateImage( gdi_display, visual, descr->depth, ZPixmap, 0, NULL,
3632 descr->infoWidth, lines, 32, 0 );
3633 bmpImage->data = calloc( lines, bmpImage->bytes_per_line );
3634 if(bmpImage->data == NULL) {
3635 ERR("Out of memory!\n");
3636 XDestroyImage( bmpImage );
3637 wine_tsx11_unlock();
3638 return lines;
3639 }
3640 }
3641
3642 #ifdef HAVE_LIBXXSHM
3643 if (descr->useShm)
3644 {
3645 int saveRed, saveGreen, saveBlue;
3646
3647 TRACE("XShmGetImage(%p, %ld, %p, %d, %d, %ld)\n",
3648 gdi_display, descr->drawable, bmpImage,
3649 descr->xSrc, descr->ySrc, AllPlanes);
3650
3651 /* We must save and restore the bmpImage's masks in order
3652 * to preserve them across the call to XShmGetImage, which
3653 * decides to eleminate them since it doesn't happen to know
3654 * what the format of the image is supposed to be, even though
3655 * we do. */
3656 saveRed = bmpImage->red_mask;
3657 saveBlue= bmpImage->blue_mask;
3658 saveGreen = bmpImage->green_mask;
3659
3660 XShmGetImage( gdi_display, descr->drawable, bmpImage,
3661 descr->xSrc, descr->ySrc, AllPlanes);
3662
3663 bmpImage->red_mask = saveRed;
3664 bmpImage->blue_mask = saveBlue;
3665 bmpImage->green_mask = saveGreen;
3666 }
3667 else
3668 #endif /* HAVE_LIBXXSHM */
3669 {
3670 TRACE("XGetSubImage(%p,%ld,%d,%d,%d,%d,%ld,%d,%p,%d,%d)\n",
3671 gdi_display, descr->drawable, descr->xSrc, descr->ySrc, descr->width,
3672 lines, AllPlanes, ZPixmap, bmpImage, descr->xDest, descr->yDest);
3673 XGetSubImage( gdi_display, descr->drawable, descr->xSrc, descr->ySrc,
3674 descr->width, lines, AllPlanes, ZPixmap,
3675 bmpImage, descr->xDest, descr->yDest );
3676 }
3677
3678 TRACE("Dib: depth=%2d r=%lx g=%lx b=%lx\n",
3679 descr->infoBpp,descr->rMask,descr->gMask,descr->bMask);
3680 TRACE("Bmp: depth=%2d/%2d r=%lx g=%lx b=%lx\n",
3681 bmpImage->depth,bmpImage->bits_per_pixel,
3682 bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
3683 /* Transfer the pixels */
3684 switch(descr->infoBpp)
3685 {
3686 case 1:
3687 X11DRV_DIB_GetImageBits_1( descr->lines,(LPVOID)descr->bits,
3688 descr->infoWidth, descr->width,
3689 descr->colorMap, descr->palentry,
3690 bmpImage, descr->dibpitch );
3691 break;
3692
3693 case 4:
3694 if (descr->compression) {
3695 FIXME("Compression not yet supported!\n");
3696 if(descr->sizeImage < X11DRV_DIB_GetDIBWidthBytes( descr->infoWidth, 4 ) * abs(descr->lines))
3697 break;
3698 }
3699 X11DRV_DIB_GetImageBits_4( descr->lines,(LPVOID)descr->bits,
3700 descr->infoWidth, descr->width,
3701 descr->colorMap, descr->palentry,
3702 bmpImage, descr->dibpitch );
3703 break;
3704 case 8:
3705 if (descr->compression) {
3706 FIXME("Compression not yet supported!\n");
3707 if(descr->sizeImage < X11DRV_DIB_GetDIBWidthBytes( descr->infoWidth, 8 ) * abs(descr->lines))
3708 break;
3709 }
3710 X11DRV_DIB_GetImageBits_8( descr->lines, (LPVOID)descr->bits,
3711 descr->infoWidth, descr->width,
3712 descr->colorMap, descr->palentry,
3713 bmpImage, descr->dibpitch );
3714 break;
3715 case 15:
3716 case 16:
3717 X11DRV_DIB_GetImageBits_16( descr->lines, (LPVOID)descr->bits,
3718 descr->infoWidth,descr->width,
3719 descr->palentry,
3720 descr->rMask, descr->gMask, descr->bMask,
3721 bmpImage, descr->dibpitch );
3722 break;
3723
3724 case 24:
3725 X11DRV_DIB_GetImageBits_24( descr->lines, (LPVOID)descr->bits,
3726 descr->infoWidth,descr->width,
3727 descr->palentry,
3728 descr->rMask, descr->gMask, descr->bMask,
3729 bmpImage, descr->dibpitch);
3730 break;
3731
3732 case 32:
3733 X11DRV_DIB_GetImageBits_32( descr->lines, (LPVOID)descr->bits,
3734 descr->infoWidth, descr->width,
3735 descr->palentry,
3736 descr->rMask, descr->gMask, descr->bMask,
3737 bmpImage, descr->dibpitch);
3738 break;
3739
3740 default:
3741 WARN("(%d): Invalid depth\n", descr->infoBpp );
3742 break;
3743 }
3744
3745 if (!descr->image) XDestroyImage( bmpImage );
3746 wine_tsx11_unlock();
3747 return lines;
3748 }
3749
3750 /*************************************************************************
3751 * X11DRV_SetDIBitsToDevice
3752 *
3753 */
3754 INT X11DRV_SetDIBitsToDevice( X11DRV_PDEVICE *physDev, INT xDest, INT yDest, DWORD cx,
3755 DWORD cy, INT xSrc, INT ySrc,
3756 UINT startscan, UINT lines, LPCVOID bits,
3757 const BITMAPINFO *info, UINT coloruse )
3758 {
3759 X11DRV_DIB_IMAGEBITS_DESCR descr;
3760 INT result;
3761 LONG width, height;
3762 BOOL top_down;
3763 POINT pt;
3764 const void* colorPtr;
3765
3766 if (DIB_GetBitmapInfo( &info->bmiHeader, &width, &height,
3767 &descr.infoBpp, &descr.compression ) == -1)
3768 return 0;
3769
3770 top_down = (height < 0);
3771 if (top_down) height = -height;
3772
3773 pt.x = xDest;
3774 pt.y = yDest;
3775 LPtoDP(physDev->hdc, &pt, 1);
3776
3777 if (!lines || (startscan >= height)) return 0;
3778 if (!top_down && startscan + lines > height) lines = height - startscan;
3779
3780 /* make xSrc,ySrc point to the upper-left corner, not the lower-left one,
3781 * and clamp all values to fit inside [startscan,startscan+lines]
3782 */
3783 if (ySrc + cy <= startscan + lines)
3784 {
3785 UINT y = startscan + lines - (ySrc + cy);
3786 if (ySrc < startscan) cy -= (startscan - ySrc);
3787 if (!top_down)
3788 {
3789 /* avoid getting unnecessary lines */
3790 ySrc = 0;
3791 if (y >= lines) return 0;
3792 lines -= y;
3793 }
3794 else
3795 {
3796 if (y >= lines) return lines;
3797 ySrc = y; /* need to get all lines in top down mode */
3798 }
3799 }
3800 else
3801 {
3802 if (ySrc >= startscan + lines) return lines;
3803 pt.y += ySrc + cy - (startscan + lines);
3804 cy = startscan + lines - ySrc;
3805 ySrc = 0;
3806 if (cy > lines) cy = lines;
3807 }
3808 if (xSrc >= width) return lines;
3809 if (xSrc + cx >= width) cx = width - xSrc;
3810 if (!cx || !cy) return lines;
3811
3812 /* Update the pixmap from the DIB section */
3813 X11DRV_LockDIBSection(physDev, DIB_Status_GdiMod, FALSE);
3814
3815 X11DRV_SetupGCForText( physDev ); /* To have the correct colors */
3816 wine_tsx11_lock();
3817 XSetFunction(gdi_display, physDev->gc, X11DRV_XROPfunction[GetROP2(physDev->hdc) - 1]);
3818 wine_tsx11_unlock();
3819
3820 colorPtr = (const BYTE*) info + (WORD) info->bmiHeader.biSize;
3821
3822 switch (descr.infoBpp)
3823 {
3824 case 1:
3825 case 4:
3826 case 8:
3827 descr.colorMap = (RGBQUAD *)X11DRV_DIB_BuildColorMap(
3828 coloruse == DIB_PAL_COLORS ? physDev : NULL, coloruse,
3829 physDev->depth, info, &descr.nColorMap );
3830 if (!descr.colorMap) return 0;
3831 descr.rMask = descr.gMask = descr.bMask = 0;
3832 break;
3833 case 15:
3834 case 16:
3835 descr.rMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD *)colorPtr ) : 0x7c00;
3836 descr.gMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD *)colorPtr + 1) : 0x03e0;
3837 descr.bMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD *)colorPtr + 2) : 0x001f;
3838 descr.colorMap = 0;
3839 break;
3840
3841 case 24:
3842 case 32:
3843 descr.rMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD *)colorPtr ) : 0xff0000;
3844 descr.gMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD *)colorPtr + 1) : 0x00ff00;
3845 descr.bMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD *)colorPtr + 2) : 0x0000ff;
3846 descr.colorMap = 0;
3847 break;
3848 }
3849
3850 descr.physDev = physDev;
3851 descr.bits = bits;
3852 descr.image = NULL;
3853 descr.palentry = NULL;
3854 descr.lines = top_down ? -lines : lines;
3855 descr.infoWidth = width;
3856 descr.depth = physDev->depth;
3857 descr.drawable = physDev->drawable;
3858 descr.gc = physDev->gc;
3859 descr.xSrc = xSrc;
3860 descr.ySrc = ySrc;
3861 descr.xDest = physDev->org.x + pt.x;
3862 descr.yDest = physDev->org.y + pt.y;
3863 descr.width = cx;
3864 descr.height = cy;
3865 descr.useShm = FALSE;
3866 descr.dibpitch = ((width * descr.infoBpp + 31) &~31) / 8;
3867
3868 result = X11DRV_DIB_SetImageBits( &descr );
3869
3870 if (descr.infoBpp <= 8)
3871 HeapFree(GetProcessHeap(), 0, descr.colorMap);
3872
3873 /* Update the DIBSection of the pixmap */
3874 X11DRV_UnlockDIBSection(physDev, TRUE);
3875
3876 return result;
3877 }
3878
3879 /***********************************************************************
3880 * SetDIBits (X11DRV.@)
3881 */
3882 INT X11DRV_SetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan,
3883 UINT lines, LPCVOID bits, const BITMAPINFO *info, UINT coloruse )
3884 {
3885 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
3886 X11DRV_DIB_IMAGEBITS_DESCR descr;
3887 BITMAP bitmap;
3888 LONG height, tmpheight;
3889 INT result;
3890 const void* colorPtr;
3891
3892 descr.physDev = physDev;
3893
3894 if (!physBitmap) return 0;
3895
3896 if (DIB_GetBitmapInfo( &info->bmiHeader, &descr.infoWidth, &height,
3897 &descr.infoBpp, &descr.compression ) == -1)
3898 return 0;
3899
3900 tmpheight = height;
3901 if (height < 0) height = -height;
3902 if (!lines || (startscan >= height))
3903 return 0;
3904
3905 if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
3906
3907 if (startscan + lines > height) lines = height - startscan;
3908
3909 colorPtr = (const BYTE*) info + (WORD) info->bmiHeader.biSize;
3910
3911 switch (descr.infoBpp)
3912 {
3913 case 1:
3914 case 4:
3915 case 8:
3916 descr.colorMap = (RGBQUAD *)X11DRV_DIB_BuildColorMap(
3917 coloruse == DIB_PAL_COLORS ? descr.physDev : NULL, coloruse,
3918 physBitmap->pixmap_depth,
3919 info, &descr.nColorMap );
3920 if (!descr.colorMap) return 0;
3921 descr.rMask = descr.gMask = descr.bMask = 0;
3922 break;
3923 case 15:
3924 case 16:
3925 descr.rMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD*)colorPtr ) : 0x7c00;
3926 descr.gMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD*)colorPtr + 1) : 0x03e0;
3927 descr.bMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD*)colorPtr + 2) : 0x001f;
3928 descr.colorMap = 0;
3929 break;
3930
3931 case 24:
3932 case 32:
3933 descr.rMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD*)colorPtr ) : 0xff0000;
3934 descr.gMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD*)colorPtr + 1) : 0x00ff00;
3935 descr.bMask = (descr.compression == BI_BITFIELDS) ? *((const DWORD*)colorPtr + 2) : 0x0000ff;
3936 descr.colorMap = 0;
3937 break;
3938
3939 default: break;
3940 }
3941
3942 descr.bits = bits;
3943 descr.image = NULL;
3944 descr.palentry = NULL;
3945 descr.lines = tmpheight >= 0 ? lines : -lines;
3946 descr.depth = physBitmap->pixmap_depth;
3947 descr.drawable = physBitmap->pixmap;
3948 descr.gc = BITMAP_GC(physBitmap);
3949 descr.xSrc = 0;
3950 descr.ySrc = 0;
3951 descr.xDest = 0;
3952 descr.yDest = height - startscan - lines;
3953 descr.width = bitmap.bmWidth;
3954 descr.height = lines;
3955 descr.useShm = FALSE;
3956 descr.dibpitch = ((descr.infoWidth * descr.infoBpp + 31) &~31) / 8;
3957 X11DRV_DIB_Lock( physBitmap, DIB_Status_GdiMod, FALSE );
3958 result = X11DRV_DIB_SetImageBits( &descr );
3959 X11DRV_DIB_Unlock( physBitmap, TRUE );
3960
3961 HeapFree(GetProcessHeap(), 0, descr.colorMap);
3962
3963 return result;
3964 }
3965
3966 /***********************************************************************
3967 * GetDIBits (X11DRV.@)
3968 */
3969 INT X11DRV_GetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan, UINT lines,
3970 LPVOID bits, BITMAPINFO *info, UINT coloruse )
3971 {
3972 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
3973 DIBSECTION dib;
3974 X11DRV_DIB_IMAGEBITS_DESCR descr;
3975 PALETTEENTRY palette[256];
3976 size_t obj_size;
3977 int height;
3978 LONG tempHeight;
3979 int bitmap_type;
3980 BOOL core_header;
3981 void* colorPtr;
3982
3983 GetPaletteEntries( GetCurrentObject( physDev->hdc, OBJ_PAL ), 0, 256, palette );
3984
3985 if (!physBitmap) return 0;
3986 if (!(obj_size = GetObjectW( hbitmap, sizeof(dib), &dib ))) return 0;
3987
3988 bitmap_type = DIB_GetBitmapInfo( (BITMAPINFOHEADER*) info, &descr.infoWidth, &tempHeight, &descr.infoBpp, &descr.compression);
3989 descr.lines = tempHeight;
3990 if (bitmap_type == -1)
3991 {
3992 ERR("Invalid bitmap\n");
3993 return 0;
3994 }
3995 core_header = (bitmap_type == 0);
3996 colorPtr = (LPBYTE) info + (WORD) info->bmiHeader.biSize;
3997
3998 TRACE("%u scanlines of (%i,%i) -> (%i,%i) starting from %u\n",
3999 lines, dib.dsBm.bmWidth, dib.dsBm.bmHeight, (int)descr.infoWidth, descr.lines, startscan);
4000
4001 if( lines > dib.dsBm.bmHeight ) lines = dib.dsBm.bmHeight;
4002
4003 height = descr.lines;
4004 if (height < 0) height = -height;
4005 if( lines > height ) lines = height;
4006 /* Top-down images have a negative biHeight, the scanlines of theses images
4007 * were inverted in X11DRV_DIB_GetImageBits_xx
4008 * To prevent this we simply change the sign of lines
4009 * (the number of scan lines to copy).
4010 * Negative lines are correctly handled by X11DRV_DIB_GetImageBits_xx.
4011 */
4012 if( descr.lines < 0 && lines > 0) lines = -lines;
4013
4014 if( startscan >= dib.dsBm.bmHeight ) return 0;
4015
4016 descr.colorMap = NULL;
4017
4018 switch (descr.infoBpp)
4019 {
4020 case 1:
4021 case 4:
4022 case 8:
4023 descr.rMask= descr.gMask = descr.bMask = 0;
4024 if(coloruse == DIB_RGB_COLORS)
4025 descr.colorMap = colorPtr;
4026 else {
4027 int num_colors = 1 << descr.infoBpp, i;
4028 RGBQUAD *rgb;
4029 COLORREF colref;
4030 WORD *index = (WORD*)colorPtr;
4031 descr.colorMap = rgb = HeapAlloc(GetProcessHeap(), 0, num_colors * sizeof(RGBQUAD));
4032 for(i = 0; i < num_colors; i++, rgb++, index++) {
4033 colref = X11DRV_PALETTE_ToLogical(X11DRV_PALETTE_ToPhysical(physDev, PALETTEINDEX(*index)));
4034 rgb->rgbRed = GetRValue(colref);
4035 rgb->rgbGreen = GetGValue(colref);
4036 rgb->rgbBlue = GetBValue(colref);
4037 rgb->rgbReserved = 0;
4038 }
4039 }
4040 break;
4041 case 15:
4042 case 16:
4043 descr.rMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)colorPtr ) : 0x7c00;
4044 descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)colorPtr + 1) : 0x03e0;
4045 descr.bMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)colorPtr + 2) : 0x001f;
4046 break;
4047 case 24:
4048 case 32:
4049 descr.rMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)colorPtr ) : 0xff0000;
4050 descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)colorPtr + 1) : 0x00ff00;
4051 descr.bMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)colorPtr + 2) : 0x0000ff;
4052 break;
4053 }
4054
4055 descr.physDev = physDev;
4056 descr.palentry = palette;
4057 descr.bits = bits;
4058 descr.image = NULL;
4059 descr.lines = lines;
4060 descr.depth = physBitmap->pixmap_depth;
4061 descr.drawable = physBitmap->pixmap;
4062 descr.gc = BITMAP_GC(physBitmap);
4063 descr.width = dib.dsBm.bmWidth;
4064 descr.height = dib.dsBm.bmHeight;
4065 descr.xDest = 0;
4066 descr.yDest = 0;
4067 descr.xSrc = 0;
4068 descr.sizeImage = core_header ? 0 : info->bmiHeader.biSizeImage;
4069
4070 if (descr.lines > 0)
4071 {
4072 descr.ySrc = (descr.height-1) - (startscan + (lines-1));
4073 }
4074 else
4075 {
4076 descr.ySrc = startscan;
4077 }
4078 #ifdef HAVE_LIBXXSHM
4079 descr.useShm = (obj_size == sizeof(DIBSECTION)) && (physBitmap->shminfo.shmid != -1);
4080 #else
4081 descr.useShm = FALSE;
4082 #endif
4083 descr.dibpitch = (obj_size == sizeof(DIBSECTION)) ? dib.dsBm.bmWidthBytes
4084 : (((descr.infoWidth * descr.infoBpp + 31) &~31) / 8);
4085
4086 X11DRV_DIB_Lock( physBitmap, DIB_Status_GdiMod, FALSE );
4087 X11DRV_DIB_GetImageBits( &descr );
4088 X11DRV_DIB_Unlock( physBitmap, TRUE );
4089
4090 if(!core_header && info->bmiHeader.biSizeImage == 0) /* Fill in biSizeImage */
4091 info->bmiHeader.biSizeImage = X11DRV_DIB_GetDIBImageBytes( descr.infoWidth,
4092 descr.lines,
4093 descr.infoBpp);
4094
4095 if (descr.compression == BI_BITFIELDS)
4096 {
4097 *(DWORD *) colorPtr = descr.rMask;
4098 *((DWORD *)colorPtr + 1) = descr.gMask;
4099 *((DWORD *)colorPtr + 2) = descr.bMask;
4100 }
4101 else if (!core_header)
4102 {
4103 /* if RLE or JPEG compression were supported,
4104 * this line would be invalid. */
4105 info->bmiHeader.biCompression = 0;
4106 }
4107
4108 if(descr.colorMap && descr.colorMap != colorPtr)
4109 HeapFree(GetProcessHeap(), 0, descr.colorMap);
4110 return lines;
4111 }
4112
4113 /***********************************************************************
4114 * DIB_DoProtectDIBSection
4115 */
4116 static void X11DRV_DIB_DoProtectDIBSection( X_PHYSBITMAP *physBitmap, DWORD new_prot )
4117 {
4118 DWORD old_prot;
4119
4120 VirtualProtect(physBitmap->base, physBitmap->size, new_prot, &old_prot);
4121 TRACE("Changed protection from %ld to %ld\n", old_prot, new_prot);
4122 }
4123
4124 /***********************************************************************
4125 * X11DRV_DIB_DoCopyDIBSection
4126 */
4127 static void X11DRV_DIB_DoCopyDIBSection(X_PHYSBITMAP *physBitmap, BOOL toDIB,
4128 void *colorMap, int nColorMap,
4129 Drawable dest,
4130 DWORD xSrc, DWORD ySrc,
4131 DWORD xDest, DWORD yDest,
4132 DWORD width, DWORD height)
4133 {
4134 DIBSECTION dibSection;
4135 X11DRV_DIB_IMAGEBITS_DESCR descr;
4136 int identity[2] = {0,1};
4137
4138 if (!GetObjectW( physBitmap->hbitmap, sizeof(dibSection), &dibSection )) return;
4139
4140 descr.physDev = NULL;
4141 descr.palentry = NULL;
4142 descr.infoWidth = dibSection.dsBmih.biWidth;
4143 descr.infoBpp = dibSection.dsBmih.biBitCount;
4144 descr.lines = dibSection.dsBmih.biHeight;
4145 descr.image = physBitmap->image;
4146 descr.colorMap = colorMap;
4147 descr.nColorMap = nColorMap;
4148 descr.bits = dibSection.dsBm.bmBits;
4149 descr.depth = physBitmap->pixmap_depth;
4150 descr.compression = dibSection.dsBmih.biCompression;
4151
4152 if(descr.infoBpp == 1)
4153 descr.colorMap = (void*)identity;
4154
4155 switch (descr.infoBpp)
4156 {
4157 case 1:
4158 case 4:
4159 case 8:
4160 descr.rMask = descr.gMask = descr.bMask = 0;
4161 break;
4162 case 15:
4163 case 16:
4164 descr.rMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[0] : 0x7c00;
4165 descr.gMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[1] : 0x03e0;
4166 descr.bMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[2] : 0x001f;
4167 break;
4168
4169 case 24:
4170 case 32:
4171 descr.rMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[0] : 0xff0000;
4172 descr.gMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[1] : 0x00ff00;
4173 descr.bMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[2] : 0x0000ff;
4174 break;
4175 }
4176
4177 /* Hack for now */
4178 descr.drawable = dest;
4179 descr.gc = BITMAP_GC(physBitmap);
4180 descr.xSrc = xSrc;
4181 descr.ySrc = ySrc;
4182 descr.xDest = xDest;
4183 descr.yDest = yDest;
4184 descr.width = width;
4185 descr.height = height;
4186 descr.sizeImage = 0;
4187
4188 #ifdef HAVE_LIBXXSHM
4189 descr.useShm = (physBitmap->shminfo.shmid != -1);
4190 #else
4191 descr.useShm = FALSE;
4192 #endif
4193 descr.dibpitch = dibSection.dsBm.bmWidthBytes;
4194
4195 if (toDIB)
4196 {
4197 TRACE("Copying from Pixmap to DIB bits\n");
4198 X11DRV_DIB_GetImageBits( &descr );
4199 }
4200 else
4201 {
4202 TRACE("Copying from DIB bits to Pixmap\n");
4203 X11DRV_DIB_SetImageBits( &descr );
4204 }
4205 }
4206
4207 /***********************************************************************
4208 * X11DRV_DIB_CopyDIBSection
4209 */
4210 void X11DRV_DIB_CopyDIBSection(X11DRV_PDEVICE *physDevSrc, X11DRV_PDEVICE *physDevDst,
4211 DWORD xSrc, DWORD ySrc, DWORD xDest, DWORD yDest,
4212 DWORD width, DWORD height)
4213 {
4214 DIBSECTION dib;
4215 X_PHYSBITMAP *physBitmap;
4216 int nColorMap = 0, *colorMap = NULL, aColorMap = FALSE;
4217
4218 TRACE("(%p,%p,%ld,%ld,%ld,%ld,%ld,%ld)\n", physDevSrc->hdc, physDevDst->hdc,
4219 xSrc, ySrc, xDest, yDest, width, height);
4220 /* this function is meant as an optimization for BitBlt,
4221 * not to be called otherwise */
4222 physBitmap = physDevSrc->bitmap;
4223 if (!physBitmap || GetObjectW( physBitmap->hbitmap, sizeof(dib), &dib ) != sizeof(dib))
4224 {
4225 ERR("called for non-DIBSection!?\n");
4226 return;
4227 }
4228 /* while BitBlt should already have made sure we only get
4229 * positive values, we should check for oversize values */
4230 if ((xSrc < dib.dsBm.bmWidth) &&
4231 (ySrc < dib.dsBm.bmHeight)) {
4232 if (xSrc + width > dib.dsBm.bmWidth)
4233 width = dib.dsBm.bmWidth - xSrc;
4234 if (ySrc + height > dib.dsBm.bmHeight)
4235 height = dib.dsBm.bmHeight - ySrc;
4236 /* if the source bitmap is 8bpp or less, we're supposed to use the
4237 * DC's palette for color conversion (not the DIB color table) */
4238 if (dib.dsBm.bmBitsPixel <= 8) {
4239 HPALETTE hPalette = GetCurrentObject( physDevSrc->hdc, OBJ_PAL );
4240 if (!hPalette || (hPalette == GetStockObject(DEFAULT_PALETTE))) {
4241 /* HACK: no palette has been set in the source DC,
4242 * use the DIB colormap instead - this is necessary in some
4243 * cases since we need to do depth conversion in some places
4244 * where real Windows can just copy data straight over */
4245 colorMap = physBitmap->colorMap;
4246 nColorMap = physBitmap->nColorMap;
4247 } else {
4248 colorMap = X11DRV_DIB_BuildColorMap( physDevSrc, (WORD)-1,
4249 dib.dsBm.bmBitsPixel,
4250 (BITMAPINFO*)&dib.dsBmih,
4251 &nColorMap );
4252 if (colorMap) aColorMap = TRUE;
4253 }
4254 }
4255 /* perform the copy */
4256 X11DRV_DIB_DoCopyDIBSection(physBitmap, FALSE, colorMap, nColorMap,
4257 physDevDst->drawable, xSrc, ySrc,
4258 physDevDst->org.x + xDest, physDevDst->org.y + yDest,
4259 width, height);
4260 /* free color mapping */
4261 if (aColorMap)
4262 HeapFree(GetProcessHeap(), 0, colorMap);
4263 }
4264 }
4265
4266 /***********************************************************************
4267 * X11DRV_DIB_DoUpdateDIBSection
4268 */
4269 static void X11DRV_DIB_DoUpdateDIBSection(X_PHYSBITMAP *physBitmap, BOOL toDIB)
4270 {
4271 BITMAP bitmap;
4272
4273 GetObjectW( physBitmap->hbitmap, sizeof(bitmap), &bitmap );
4274 X11DRV_DIB_DoCopyDIBSection(physBitmap, toDIB,
4275 physBitmap->colorMap, physBitmap->nColorMap,
4276 physBitmap->pixmap, 0, 0, 0, 0,
4277 bitmap.bmWidth, bitmap.bmHeight);
4278 }
4279
4280 /***********************************************************************
4281 * X11DRV_DIB_FaultHandler
4282 */
4283 static LONG CALLBACK X11DRV_DIB_FaultHandler( PEXCEPTION_POINTERS ep )
4284 {
4285 X_PHYSBITMAP *physBitmap = NULL;
4286 BOOL found = FALSE;
4287 BYTE *addr;
4288 struct list *ptr;
4289
4290 if (ep->ExceptionRecord->ExceptionCode != EXCEPTION_ACCESS_VIOLATION)
4291 return EXCEPTION_CONTINUE_SEARCH;
4292
4293 addr = (BYTE *)ep->ExceptionRecord->ExceptionInformation[1];
4294
4295 EnterCriticalSection(&dibs_cs);
4296 LIST_FOR_EACH( ptr, &dibs_list )
4297 {
4298 physBitmap = LIST_ENTRY( ptr, X_PHYSBITMAP, entry );
4299 if ((physBitmap->base <= addr) && (addr < physBitmap->base + physBitmap->size))
4300 {
4301 found = TRUE;
4302 break;
4303 }
4304 }
4305 LeaveCriticalSection(&dibs_cs);
4306
4307 if (!found) return EXCEPTION_CONTINUE_SEARCH;
4308
4309 X11DRV_DIB_Lock( physBitmap, DIB_Status_None, FALSE );
4310 if (ep->ExceptionRecord->ExceptionInformation[0]) {
4311 /* the app tried to write the DIB bits */
4312 X11DRV_DIB_Coerce( physBitmap, DIB_Status_AppMod, FALSE );
4313 } else {
4314 /* the app tried to read the DIB bits */
4315 X11DRV_DIB_Coerce( physBitmap, DIB_Status_InSync, FALSE );
4316 }
4317 X11DRV_DIB_Unlock( physBitmap, TRUE );
4318
4319 return EXCEPTION_CONTINUE_EXECUTION;
4320 }
4321
4322 /***********************************************************************
4323 * X11DRV_DIB_Coerce
4324 */
4325 static INT X11DRV_DIB_Coerce(X_PHYSBITMAP *physBitmap, INT req, BOOL lossy)
4326 {
4327 INT ret = DIB_Status_None;
4328
4329 if (!physBitmap->image) return ret; /* not a DIB section */
4330 EnterCriticalSection(&physBitmap->lock);
4331 ret = physBitmap->status;
4332 switch (req) {
4333 case DIB_Status_GdiMod:
4334 /* GDI access - request to draw on pixmap */
4335 switch (physBitmap->status)
4336 {
4337 default:
4338 case DIB_Status_None:
4339 physBitmap->p_status = DIB_Status_GdiMod;
4340 X11DRV_DIB_DoUpdateDIBSection( physBitmap, FALSE );
4341 break;
4342
4343 case DIB_Status_GdiMod:
4344 TRACE("GdiMod requested in status GdiMod\n" );
4345 physBitmap->p_status = DIB_Status_GdiMod;
4346 break;
4347
4348 case DIB_Status_InSync:
4349 TRACE("GdiMod requested in status InSync\n" );
4350 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_NOACCESS );
4351 physBitmap->status = DIB_Status_GdiMod;
4352 physBitmap->p_status = DIB_Status_InSync;
4353 break;
4354
4355 case DIB_Status_AppMod:
4356 TRACE("GdiMod requested in status AppMod\n" );
4357 if (!lossy) {
4358 /* make it readonly to avoid app changing data while we copy */
4359 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY );
4360 X11DRV_DIB_DoUpdateDIBSection( physBitmap, FALSE );
4361 }
4362 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_NOACCESS );
4363 physBitmap->p_status = DIB_Status_AppMod;
4364 physBitmap->status = DIB_Status_GdiMod;
4365 break;
4366 }
4367 break;
4368
4369 case DIB_Status_InSync:
4370 /* App access - request access to read DIB surface */
4371 /* (typically called from signal handler) */
4372 switch (physBitmap->status)
4373 {
4374 default:
4375 case DIB_Status_None:
4376 /* shouldn't happen from signal handler */
4377 break;
4378
4379 case DIB_Status_GdiMod:
4380 TRACE("InSync requested in status GdiMod\n" );
4381 if (!lossy) {
4382 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE );
4383 X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE );
4384 }
4385 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY );
4386 physBitmap->status = DIB_Status_InSync;
4387 break;
4388
4389 case DIB_Status_InSync:
4390 TRACE("InSync requested in status InSync\n" );
4391 /* shouldn't happen from signal handler */
4392 break;
4393
4394 case DIB_Status_AppMod:
4395 TRACE("InSync requested in status AppMod\n" );
4396 /* no reason to do anything here, and this
4397 * shouldn't happen from signal handler */
4398 break;
4399 }
4400 break;
4401
4402 case DIB_Status_AppMod:
4403 /* App access - request access to write DIB surface */
4404 /* (typically called from signal handler) */
4405 switch (physBitmap->status)
4406 {
4407 default:
4408 case DIB_Status_None:
4409 /* shouldn't happen from signal handler */
4410 break;
4411
4412 case DIB_Status_GdiMod:
4413 TRACE("AppMod requested in status GdiMod\n" );
4414 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE );
4415 if (!lossy) X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE );
4416 physBitmap->status = DIB_Status_AppMod;
4417 break;
4418
4419 case DIB_Status_InSync:
4420 TRACE("AppMod requested in status InSync\n" );
4421 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE );
4422 physBitmap->status = DIB_Status_AppMod;
4423 break;
4424
4425 case DIB_Status_AppMod:
4426 TRACE("AppMod requested in status AppMod\n" );
4427 /* shouldn't happen from signal handler */
4428 break;
4429 }
4430 break;
4431
4432 /* it is up to the caller to do the copy/conversion, probably
4433 * using the return value to decide where to copy from */
4434 }
4435 LeaveCriticalSection(&physBitmap->lock);
4436 return ret;
4437 }
4438
4439 /***********************************************************************
4440 * X11DRV_DIB_Lock
4441 */
4442 static INT X11DRV_DIB_Lock(X_PHYSBITMAP *physBitmap, INT req, BOOL lossy)
4443 {
4444 INT ret = DIB_Status_None;
4445
4446 if (!physBitmap->image) return ret; /* not a DIB section */
4447 TRACE("Locking %p from thread %04lx\n", physBitmap->hbitmap, GetCurrentThreadId());
4448 EnterCriticalSection(&physBitmap->lock);
4449 ret = physBitmap->status;
4450 if (req != DIB_Status_None)
4451 X11DRV_DIB_Coerce(physBitmap, req, lossy);
4452 return ret;
4453 }
4454
4455 /***********************************************************************
4456 * X11DRV_DIB_Unlock
4457 */
4458 static void X11DRV_DIB_Unlock(X_PHYSBITMAP *physBitmap, BOOL commit)
4459 {
4460 if (!physBitmap->image) return; /* not a DIB section */
4461 switch (physBitmap->status)
4462 {
4463 default:
4464 case DIB_Status_None:
4465 /* in case anyone is wondering, this is the "signal handler doesn't
4466 * work" case, where we always have to be ready for app access */
4467 if (commit) {
4468 switch (physBitmap->p_status)
4469 {
4470 case DIB_Status_GdiMod:
4471 TRACE("Unlocking and syncing from GdiMod\n" );
4472 X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE );
4473 break;
4474
4475 default:
4476 TRACE("Unlocking without needing to sync\n" );
4477 break;
4478 }
4479 }
4480 else TRACE("Unlocking with no changes\n");
4481 physBitmap->p_status = DIB_Status_None;
4482 break;
4483
4484 case DIB_Status_GdiMod:
4485 TRACE("Unlocking in status GdiMod\n" );
4486 /* DIB was protected in Coerce */
4487 if (!commit) {
4488 /* no commit, revert to InSync if applicable */
4489 if ((physBitmap->p_status == DIB_Status_InSync) ||
4490 (physBitmap->p_status == DIB_Status_AppMod)) {
4491 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY );
4492 physBitmap->status = DIB_Status_InSync;
4493 }
4494 }
4495 break;
4496
4497 case DIB_Status_InSync:
4498 TRACE("Unlocking in status InSync\n" );
4499 /* DIB was already protected in Coerce */
4500 break;
4501
4502 case DIB_Status_AppMod:
4503 TRACE("Unlocking in status AppMod\n" );
4504 /* DIB was already protected in Coerce */
4505 /* this case is ordinary only called from the signal handler,
4506 * so we don't bother to check for !commit */
4507 break;
4508 }
4509 LeaveCriticalSection(&physBitmap->lock);
4510 TRACE("Unlocked %p\n", physBitmap->hbitmap);
4511 }
4512
4513 /***********************************************************************
4514 * X11DRV_CoerceDIBSection
4515 */
4516 INT X11DRV_CoerceDIBSection(X11DRV_PDEVICE *physDev, INT req, BOOL lossy)
4517 {
4518 if (!physDev || !physDev->bitmap) return DIB_Status_None;
4519 return X11DRV_DIB_Coerce(physDev->bitmap, req, lossy);
4520 }
4521
4522 /***********************************************************************
4523 * X11DRV_LockDIBSection
4524 */
4525 INT X11DRV_LockDIBSection(X11DRV_PDEVICE *physDev, INT req, BOOL lossy)
4526 {
4527 if (!physDev || !physDev->bitmap) return DIB_Status_None;
4528 return X11DRV_DIB_Lock(physDev->bitmap, req, lossy);
4529 }
4530
4531 /***********************************************************************
4532 * X11DRV_UnlockDIBSection
4533 */
4534 void X11DRV_UnlockDIBSection(X11DRV_PDEVICE *physDev, BOOL commit)
4535 {
4536 if (!physDev || !physDev->bitmap) return;
4537 X11DRV_DIB_Unlock(physDev->bitmap, commit);
4538 }
4539
4540
4541 #ifdef HAVE_LIBXXSHM
4542 /***********************************************************************
4543 * X11DRV_XShmErrorHandler
4544 *
4545 */
4546 static int XShmErrorHandler( Display *dpy, XErrorEvent *event, void *arg )
4547 {
4548 return 1; /* FIXME: should check event contents */
4549 }
4550
4551 /***********************************************************************
4552 * X11DRV_XShmCreateImage
4553 *
4554 */
4555 static XImage *X11DRV_XShmCreateImage( int width, int height, int bpp,
4556 XShmSegmentInfo* shminfo)
4557 {
4558 XImage *image;
4559
4560 image = XShmCreateImage(gdi_display, visual, bpp, ZPixmap, NULL, shminfo, width, height);
4561 if (image)
4562 {
4563 shminfo->shmid = shmget(IPC_PRIVATE, image->bytes_per_line * height,
4564 IPC_CREAT|0700);
4565 if( shminfo->shmid != -1 )
4566 {
4567 shminfo->shmaddr = image->data = shmat(shminfo->shmid, 0, 0);
4568 if( shminfo->shmaddr != (char*)-1 )
4569 {
4570 BOOL ok;
4571
4572 shminfo->readOnly = FALSE;
4573 X11DRV_expect_error( gdi_display, XShmErrorHandler, NULL );
4574 ok = (XShmAttach( gdi_display, shminfo ) != 0);
4575 XSync( gdi_display, False );
4576 if (X11DRV_check_error()) ok = FALSE;
4577 if (ok)
4578 {
4579 shmctl(shminfo->shmid, IPC_RMID, 0);
4580 return image; /* Success! */
4581 }
4582 /* An error occurred */
4583 shmdt(shminfo->shmaddr);
4584 }
4585 shmctl(shminfo->shmid, IPC_RMID, 0);
4586 shminfo->shmid = -1;
4587 }
4588 XFlush(gdi_display);
4589 XDestroyImage(image);
4590 image = NULL;
4591 }
4592 return image;
4593 }
4594 #endif /* HAVE_LIBXXSHM */
4595
4596
4597 /***********************************************************************
4598 * X11DRV_CreateDIBSection (X11DRV.@)
4599 */
4600 HBITMAP X11DRV_CreateDIBSection( X11DRV_PDEVICE *physDev, HBITMAP hbitmap,
4601 const BITMAPINFO *bmi, UINT usage )
4602 {
4603 X_PHYSBITMAP *physBitmap;
4604 DIBSECTION dib;
4605
4606 if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return 0;
4607 physBitmap->status = DIB_Status_None;
4608
4609 GetObjectW( hbitmap, sizeof(dib), &dib );
4610
4611 /* create color map */
4612 if (dib.dsBm.bmBitsPixel <= 8)
4613 {
4614 physBitmap->colorMap = X11DRV_DIB_BuildColorMap( usage == DIB_PAL_COLORS ? physDev : NULL,
4615 usage, dib.dsBm.bmBitsPixel, bmi,
4616 &physBitmap->nColorMap );
4617 physBitmap->colorTable = X11DRV_DIB_BuildColorTable( physDev, usage, dib.dsBm.bmBitsPixel, bmi );
4618 }
4619
4620 /* create pixmap and X image */
4621 wine_tsx11_lock();
4622 physBitmap->pixmap_depth = (dib.dsBm.bmBitsPixel == 1) ? 1 : screen_depth;
4623 physBitmap->pixmap = XCreatePixmap( gdi_display, root_window, dib.dsBm.bmWidth,
4624 dib.dsBm.bmHeight, physBitmap->pixmap_depth );
4625 #ifdef HAVE_LIBXXSHM
4626 physBitmap->shminfo.shmid = -1;
4627 if (!XShmQueryExtension(gdi_display) ||
4628 !(physBitmap->image = X11DRV_XShmCreateImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight,
4629 physBitmap->pixmap_depth, &physBitmap->shminfo )) )
4630 #endif
4631 physBitmap->image = X11DRV_DIB_CreateXImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight,
4632 physBitmap->pixmap_depth );
4633 wine_tsx11_unlock();
4634 if (!physBitmap->pixmap || !physBitmap->image) return 0;
4635
4636 /* install fault handler */
4637 InitializeCriticalSection( &physBitmap->lock );
4638
4639 physBitmap->base = dib.dsBm.bmBits;
4640 physBitmap->size = dib.dsBmih.biSizeImage;
4641 physBitmap->status = DIB_Status_AppMod;
4642
4643 if (!dibs_handler)
4644 dibs_handler = AddVectoredExceptionHandler( TRUE, X11DRV_DIB_FaultHandler );
4645 EnterCriticalSection( &dibs_cs );
4646 list_add_head( &dibs_list, &physBitmap->entry );
4647 LeaveCriticalSection( &dibs_cs );
4648
4649 X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE );
4650
4651 return hbitmap;
4652 }
4653
4654 /***********************************************************************
4655 * X11DRV_DIB_DeleteDIBSection
4656 */
4657 void X11DRV_DIB_DeleteDIBSection(X_PHYSBITMAP *physBitmap, DIBSECTION *dib)
4658 {
4659 BOOL last;
4660
4661 EnterCriticalSection( &dibs_cs );
4662 list_remove( &physBitmap->entry );
4663 last = list_empty( &dibs_list );
4664 LeaveCriticalSection( &dibs_cs );
4665
4666 if (last)
4667 {
4668 RemoveVectoredExceptionHandler( dibs_handler );
4669 dibs_handler = NULL;
4670 }
4671
4672 if (dib->dshSection)
4673 X11DRV_DIB_Coerce(physBitmap, DIB_Status_InSync, FALSE);
4674
4675 if (physBitmap->image)
4676 {
4677 wine_tsx11_lock();
4678 #ifdef HAVE_LIBXXSHM
4679 if (physBitmap->shminfo.shmid != -1)
4680 {
4681 XShmDetach( gdi_display, &(physBitmap->shminfo) );
4682 XDestroyImage( physBitmap->image );
4683 shmdt( physBitmap->shminfo.shmaddr );
4684 physBitmap->shminfo.shmid = -1;
4685 }
4686 else
4687 #endif
4688 XDestroyImage( physBitmap->image );
4689 wine_tsx11_unlock();
4690 }
4691
4692 HeapFree(GetProcessHeap(), 0, physBitmap->colorMap);
4693 HeapFree(GetProcessHeap(), 0, physBitmap->colorTable);
4694 DeleteCriticalSection(&physBitmap->lock);
4695 }
4696
4697 /***********************************************************************
4698 * SetDIBColorTable (X11DRV.@)
4699 */
4700 UINT X11DRV_SetDIBColorTable( X11DRV_PDEVICE *physDev, UINT start, UINT count, const RGBQUAD *colors )
4701 {
4702 DIBSECTION dib;
4703 UINT ret = 0;
4704 X_PHYSBITMAP *physBitmap = physDev->bitmap;
4705
4706 if (!physBitmap) return 0;
4707 GetObjectW( physBitmap->hbitmap, sizeof(dib), &dib );
4708
4709 if (physBitmap->colorMap && start < physBitmap->nColorMap) {
4710 UINT end = count + start;
4711 if (end > physBitmap->nColorMap) end = physBitmap->nColorMap;
4712 /*
4713 * Changing color table might change the mapping between
4714 * DIB colors and X11 colors and thus alter the visible state
4715 * of the bitmap object.
4716 */
4717 X11DRV_DIB_Lock( physBitmap, DIB_Status_AppMod, FALSE );
4718 memcpy(physBitmap->colorTable + start, colors, (end - start) * sizeof(RGBQUAD));
4719 X11DRV_DIB_GenColorMap( physDev, physBitmap->colorMap, DIB_RGB_COLORS,
4720 dib.dsBm.bmBitsPixel,
4721 TRUE, colors, start, end );
4722 X11DRV_DIB_Unlock( physBitmap, TRUE );
4723 ret = end - start;
4724 }
4725 return ret;
4726 }
4727
4728 /***********************************************************************
4729 * GetDIBColorTable (X11DRV.@)
4730 */
4731 UINT X11DRV_GetDIBColorTable( X11DRV_PDEVICE *physDev, UINT start, UINT count, RGBQUAD *colors )
4732 {
4733 UINT ret = 0;
4734 X_PHYSBITMAP *physBitmap = physDev->bitmap;
4735
4736 if (physBitmap && physBitmap->colorTable && start < physBitmap->nColorMap) {
4737 if (start + count > physBitmap->nColorMap) count = physBitmap->nColorMap - start;
4738 memcpy(colors, physBitmap->colorTable + start, count * sizeof(RGBQUAD));
4739 ret = count;
4740 }
4741 return ret;
4742 }
4743
4744
4745
4746 /***********************************************************************
4747 * X11DRV_DIB_CreateDIBFromBitmap
4748 *
4749 * Allocates a packed DIB and copies the bitmap data into it.
4750 */
4751 HGLOBAL X11DRV_DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp)
4752 {
4753 BITMAP bmp;
4754 HGLOBAL hPackedDIB;
4755 LPBYTE pPackedDIB;
4756 LPBITMAPINFOHEADER pbmiHeader;
4757 unsigned int cDataSize, cPackedSize, OffsetBits;
4758 int nLinesCopied;
4759
4760 if (!GetObjectW( hBmp, sizeof(bmp), &bmp )) return 0;
4761
4762 /*
4763 * A packed DIB contains a BITMAPINFO structure followed immediately by
4764 * an optional color palette and the pixel data.
4765 */
4766
4767 /* Calculate the size of the packed DIB */
4768 cDataSize = X11DRV_DIB_GetDIBWidthBytes( bmp.bmWidth, bmp.bmBitsPixel ) * abs( bmp.bmHeight );
4769 cPackedSize = sizeof(BITMAPINFOHEADER)
4770 + ( (bmp.bmBitsPixel <= 8) ? (sizeof(RGBQUAD) * (1 << bmp.bmBitsPixel)) : 0 )
4771 + cDataSize;
4772 /* Get the offset to the bits */
4773 OffsetBits = cPackedSize - cDataSize;
4774
4775 /* Allocate the packed DIB */
4776 TRACE("\tAllocating packed DIB of size %d\n", cPackedSize);
4777 hPackedDIB = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE /*| GMEM_ZEROINIT*/,
4778 cPackedSize );
4779 if ( !hPackedDIB )
4780 {
4781 WARN("Could not allocate packed DIB!\n");
4782 return 0;
4783 }
4784
4785 /* A packed DIB starts with a BITMAPINFOHEADER */
4786 pPackedDIB = GlobalLock(hPackedDIB);
4787 pbmiHeader = (LPBITMAPINFOHEADER)pPackedDIB;
4788
4789 /* Init the BITMAPINFOHEADER */
4790 pbmiHeader->biSize = sizeof(BITMAPINFOHEADER);
4791 pbmiHeader->biWidth = bmp.bmWidth;
4792 pbmiHeader->biHeight = bmp.bmHeight;
4793 pbmiHeader->biPlanes = 1;
4794 pbmiHeader->biBitCount = bmp.bmBitsPixel;
4795 pbmiHeader->biCompression = BI_RGB;
4796 pbmiHeader->biSizeImage = 0;
4797 pbmiHeader->biXPelsPerMeter = pbmiHeader->biYPelsPerMeter = 0;
4798 pbmiHeader->biClrUsed = 0;
4799 pbmiHeader->biClrImportant = 0;
4800
4801 /* Retrieve the DIB bits from the bitmap and fill in the
4802 * DIB color table if present */
4803
4804 nLinesCopied = GetDIBits(hdc, /* Handle to device context */
4805 hBmp, /* Handle to bitmap */
4806 0, /* First scan line to set in dest bitmap */
4807 bmp.bmHeight, /* Number of scan lines to copy */
4808 pPackedDIB + OffsetBits, /* [out] Address of array for bitmap bits */
4809 (LPBITMAPINFO) pbmiHeader, /* [out] Address of BITMAPINFO structure */
4810 0); /* RGB or palette index */
4811 GlobalUnlock(hPackedDIB);
4812
4813 /* Cleanup if GetDIBits failed */
4814 if (nLinesCopied != bmp.bmHeight)
4815 {
4816 TRACE("\tGetDIBits returned %d. Actual lines=%d\n", nLinesCopied, bmp.bmHeight);
4817 GlobalFree(hPackedDIB);
4818 hPackedDIB = 0;
4819 }
4820 return hPackedDIB;
4821 }
4822
4823
4824 /**************************************************************************
4825 * X11DRV_DIB_CreateDIBFromPixmap
4826 *
4827 * Allocates a packed DIB and copies the Pixmap data into it.
4828 * The Pixmap passed in is deleted after the conversion.
4829 */
4830 HGLOBAL X11DRV_DIB_CreateDIBFromPixmap(Pixmap pixmap, HDC hdc)
4831 {
4832 HDC hdcMem;
4833 X_PHYSBITMAP *physBitmap;
4834 HBITMAP hBmp = 0, old;
4835 HGLOBAL hPackedDIB = 0;
4836 Window root;
4837 int x,y; /* Unused */
4838 unsigned border_width; /* Unused */
4839 unsigned int depth, width, height;
4840
4841 /* Get the Pixmap dimensions and bit depth */
4842 wine_tsx11_lock();
4843 if (!XGetGeometry(gdi_display, pixmap, &root, &x, &y, &width, &height,
4844 &border_width, &depth)) depth = 0;
4845 wine_tsx11_unlock();
4846 if (!depth) return 0;
4847
4848 TRACE("\tPixmap properties: width=%d, height=%d, depth=%d\n",
4849 width, height, depth);
4850
4851 /*
4852 * Create an HBITMAP with the same dimensions and BPP as the pixmap,
4853 * and make it a container for the pixmap passed.
4854 */
4855 hBmp = CreateBitmap( width, height, 1, depth, NULL );
4856
4857 /* force bitmap to be owned by a screen DC */
4858 hdcMem = CreateCompatibleDC( hdc );
4859 old = SelectObject( hdcMem, hBmp );
4860
4861 physBitmap = X11DRV_get_phys_bitmap( hBmp );
4862
4863 wine_tsx11_lock();
4864 if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
4865 physBitmap->pixmap = pixmap;
4866 wine_tsx11_unlock();
4867
4868 SelectObject( hdcMem, old );
4869 DeleteDC( hdcMem );
4870
4871 /*
4872 * Create a packed DIB from the Pixmap wrapper bitmap created above.
4873 * A packed DIB contains a BITMAPINFO structure followed immediately by
4874 * an optional color palette and the pixel data.
4875 */
4876 hPackedDIB = X11DRV_DIB_CreateDIBFromBitmap(hdc, hBmp);
4877
4878 /* We can now get rid of the HBITMAP wrapper we created earlier.
4879 * Note: Simply calling DeleteObject will free the embedded Pixmap as well.
4880 */
4881 DeleteObject(hBmp);
4882
4883 TRACE("\tReturning packed DIB %p\n", hPackedDIB);
4884 return hPackedDIB;
4885 }
4886
4887
4888 /**************************************************************************
4889 * X11DRV_DIB_CreatePixmapFromDIB
4890 *
4891 * Creates a Pixmap from a packed DIB
4892 */
4893 Pixmap X11DRV_DIB_CreatePixmapFromDIB( HGLOBAL hPackedDIB, HDC hdc )
4894 {
4895 Pixmap pixmap;
4896 X_PHYSBITMAP *physBitmap;
4897 HBITMAP hBmp;
4898 LPBITMAPINFO pbmi;
4899
4900 /* Create a DDB from the DIB */
4901
4902 pbmi = GlobalLock(hPackedDIB);
4903 hBmp = CreateDIBitmap(hdc, &pbmi->bmiHeader, CBM_INIT,
4904 (LPBYTE)pbmi + X11DRV_DIB_BitmapInfoSize( pbmi, DIB_RGB_COLORS ),
4905 pbmi, DIB_RGB_COLORS);
4906 GlobalUnlock(hPackedDIB);
4907
4908 /* clear the physBitmap so that we can steal its pixmap */
4909 physBitmap = X11DRV_get_phys_bitmap( hBmp );
4910 pixmap = physBitmap->pixmap;
4911 physBitmap->pixmap = 0;
4912
4913 /* Delete the DDB we created earlier now that we have stolen its pixmap */
4914 DeleteObject(hBmp);
4915
4916 TRACE("Returning Pixmap %ld\n", pixmap);
4917 return pixmap;
4918 }
Maarten's multimedia branch