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a09e091a JB |
1 | /* |
2 | *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. | |
3 | * | |
4 | *Permission is hereby granted, free of charge, to any person obtaining | |
5 | * a copy of this software and associated documentation files (the | |
6 | *"Software"), to deal in the Software without restriction, including | |
7 | *without limitation the rights to use, copy, modify, merge, publish, | |
8 | *distribute, sublicense, and/or sell copies of the Software, and to | |
9 | *permit persons to whom the Software is furnished to do so, subject to | |
10 | *the following conditions: | |
11 | * | |
12 | *The above copyright notice and this permission notice shall be | |
13 | *included in all copies or substantial portions of the Software. | |
14 | * | |
15 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
16 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
17 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
18 | *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR | |
19 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF | |
20 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
21 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | *Except as contained in this notice, the name of the XFree86 Project | |
24 | *shall not be used in advertising or otherwise to promote the sale, use | |
25 | *or other dealings in this Software without prior written authorization | |
26 | *from the XFree86 Project. | |
27 | * | |
28 | * Authors: Dakshinamurthy Karra | |
29 | * Suhaib M Siddiqi | |
30 | * Peter Busch | |
31 | * Harold L Hunt II | |
32 | */ | |
33 | ||
34 | #ifdef HAVE_XWIN_CONFIG_H | |
35 | #include <xwin-config.h> | |
36 | #endif | |
37 | #include "win.h" | |
38 | ||
39 | /* | |
40 | * Local prototypes | |
41 | */ | |
42 | ||
43 | static int | |
44 | winListInstalledColormaps(ScreenPtr pScreen, Colormap * pmaps); | |
45 | ||
46 | static void | |
47 | winStoreColors(ColormapPtr pmap, int ndef, xColorItem * pdefs); | |
48 | ||
49 | static void | |
50 | winInstallColormap(ColormapPtr pmap); | |
51 | ||
52 | static void | |
53 | winUninstallColormap(ColormapPtr pmap); | |
54 | ||
55 | static void | |
56 | ||
57 | winResolveColor(unsigned short *pred, | |
58 | unsigned short *pgreen, | |
59 | unsigned short *pblue, VisualPtr pVisual); | |
60 | ||
61 | static Bool | |
62 | winCreateColormap(ColormapPtr pmap); | |
63 | ||
64 | static void | |
65 | winDestroyColormap(ColormapPtr pmap); | |
66 | ||
67 | static Bool | |
68 | winGetPaletteDIB(ScreenPtr pScreen, ColormapPtr pcmap); | |
69 | ||
70 | static Bool | |
71 | winGetPaletteDD(ScreenPtr pScreen, ColormapPtr pcmap); | |
72 | ||
73 | /* | |
74 | * Set screen functions for colormaps | |
75 | */ | |
76 | ||
77 | void | |
78 | winSetColormapFunctions(ScreenPtr pScreen) | |
79 | { | |
80 | pScreen->CreateColormap = winCreateColormap; | |
81 | pScreen->DestroyColormap = winDestroyColormap; | |
82 | pScreen->InstallColormap = winInstallColormap; | |
83 | pScreen->UninstallColormap = winUninstallColormap; | |
84 | pScreen->ListInstalledColormaps = winListInstalledColormaps; | |
85 | pScreen->StoreColors = winStoreColors; | |
86 | pScreen->ResolveColor = winResolveColor; | |
87 | } | |
88 | ||
89 | /* See Porting Layer Definition - p. 30 */ | |
90 | /* | |
91 | * Walk the list of installed colormaps, filling the pmaps list | |
92 | * with the resource ids of the installed maps, and return | |
93 | * a count of the total number of installed maps. | |
94 | */ | |
95 | static int | |
96 | winListInstalledColormaps(ScreenPtr pScreen, Colormap * pmaps) | |
97 | { | |
98 | winScreenPriv(pScreen); | |
99 | ||
100 | /* | |
101 | * There will only be one installed colormap, so we only need | |
102 | * to return one id, and the count of installed maps will always | |
103 | * be one. | |
104 | */ | |
105 | *pmaps = pScreenPriv->pcmapInstalled->mid; | |
106 | return 1; | |
107 | } | |
108 | ||
109 | /* See Porting Layer Definition - p. 30 */ | |
110 | /* See Programming Windows - p. 663 */ | |
111 | static void | |
112 | winInstallColormap(ColormapPtr pColormap) | |
113 | { | |
114 | ScreenPtr pScreen = pColormap->pScreen; | |
115 | ||
116 | winScreenPriv(pScreen); | |
117 | ColormapPtr oldpmap = pScreenPriv->pcmapInstalled; | |
118 | ||
119 | #if CYGDEBUG | |
120 | winDebug("winInstallColormap\n"); | |
121 | #endif | |
122 | ||
123 | /* Did the colormap actually change? */ | |
124 | if (pColormap != oldpmap) { | |
125 | #if CYGDEBUG | |
126 | winDebug("winInstallColormap - Colormap has changed, attempt " | |
127 | "to install.\n"); | |
128 | #endif | |
129 | ||
130 | /* Was there a previous colormap? */ | |
131 | if (oldpmap != (ColormapPtr) None) { | |
132 | /* There was a previous colormap; tell clients it is gone */ | |
133 | WalkTree(pColormap->pScreen, TellLostMap, (char *) &oldpmap->mid); | |
134 | } | |
135 | ||
136 | /* Install new colormap */ | |
137 | pScreenPriv->pcmapInstalled = pColormap; | |
138 | WalkTree(pColormap->pScreen, TellGainedMap, (char *) &pColormap->mid); | |
139 | ||
140 | /* Call the engine specific colormap install procedure */ | |
141 | if (!((*pScreenPriv->pwinInstallColormap) (pColormap))) { | |
142 | winErrorFVerb(2, | |
143 | "winInstallColormap - Screen specific colormap install " | |
144 | "procedure failed. Continuing, but colors may be " | |
145 | "messed up from now on.\n"); | |
146 | } | |
147 | } | |
148 | ||
149 | /* Save a pointer to the newly installed colormap */ | |
150 | pScreenPriv->pcmapInstalled = pColormap; | |
151 | } | |
152 | ||
153 | /* See Porting Layer Definition - p. 30 */ | |
154 | static void | |
155 | winUninstallColormap(ColormapPtr pmap) | |
156 | { | |
157 | winScreenPriv(pmap->pScreen); | |
158 | ColormapPtr curpmap = pScreenPriv->pcmapInstalled; | |
159 | ||
160 | #if CYGDEBUG | |
161 | winDebug("winUninstallColormap\n"); | |
162 | #endif | |
163 | ||
164 | /* Is the colormap currently installed? */ | |
165 | if (pmap != curpmap) { | |
166 | /* Colormap not installed, nothing to do */ | |
167 | return; | |
168 | } | |
169 | ||
170 | /* Clear the installed colormap flag */ | |
171 | pScreenPriv->pcmapInstalled = NULL; | |
172 | ||
173 | /* | |
174 | * NOTE: The default colormap does not get "uninstalled" before | |
175 | * it is destroyed. | |
176 | */ | |
177 | ||
178 | /* Install the default cmap in place of the cmap to be uninstalled */ | |
179 | if (pmap->mid != pmap->pScreen->defColormap) { | |
180 | dixLookupResourceByType((pointer) &curpmap, pmap->pScreen->defColormap, | |
181 | RT_COLORMAP, NullClient, DixUnknownAccess); | |
182 | (*pmap->pScreen->InstallColormap) (curpmap); | |
183 | } | |
184 | } | |
185 | ||
186 | /* See Porting Layer Definition - p. 30 */ | |
187 | static void | |
188 | winStoreColors(ColormapPtr pmap, int ndef, xColorItem * pdefs) | |
189 | { | |
190 | ScreenPtr pScreen = pmap->pScreen; | |
191 | ||
192 | winScreenPriv(pScreen); | |
193 | winCmapPriv(pmap); | |
194 | int i; | |
195 | unsigned short nRed, nGreen, nBlue; | |
196 | ||
197 | #if CYGDEBUG | |
198 | if (ndef != 1) | |
199 | winDebug("winStoreColors - ndef: %d\n", ndef); | |
200 | #endif | |
201 | ||
202 | /* Save the new colors in the colormap privates */ | |
203 | for (i = 0; i < ndef; ++i) { | |
204 | /* Adjust the colors from the X color spec to the Windows color spec */ | |
205 | nRed = pdefs[i].red >> 8; | |
206 | nGreen = pdefs[i].green >> 8; | |
207 | nBlue = pdefs[i].blue >> 8; | |
208 | ||
209 | /* Copy the colors to a palette entry table */ | |
210 | pCmapPriv->peColors[pdefs[0].pixel + i].peRed = nRed; | |
211 | pCmapPriv->peColors[pdefs[0].pixel + i].peGreen = nGreen; | |
212 | pCmapPriv->peColors[pdefs[0].pixel + i].peBlue = nBlue; | |
213 | ||
214 | /* Copy the colors to a RGBQUAD table */ | |
215 | pCmapPriv->rgbColors[pdefs[0].pixel + i].rgbRed = nRed; | |
216 | pCmapPriv->rgbColors[pdefs[0].pixel + i].rgbGreen = nGreen; | |
217 | pCmapPriv->rgbColors[pdefs[0].pixel + i].rgbBlue = nBlue; | |
218 | ||
219 | #if CYGDEBUG | |
220 | winDebug("winStoreColors - nRed %d nGreen %d nBlue %d\n", | |
221 | nRed, nGreen, nBlue); | |
222 | #endif | |
223 | } | |
224 | ||
225 | /* Call the engine specific store colors procedure */ | |
226 | if (!((pScreenPriv->pwinStoreColors) (pmap, ndef, pdefs))) { | |
227 | winErrorFVerb(2, | |
228 | "winStoreColors - Engine cpecific color storage procedure " | |
229 | "failed. Continuing, but colors may be messed up from now " | |
230 | "on.\n"); | |
231 | } | |
232 | } | |
233 | ||
234 | /* See Porting Layer Definition - p. 30 */ | |
235 | static void | |
236 | winResolveColor(unsigned short *pred, | |
237 | unsigned short *pgreen, | |
238 | unsigned short *pblue, VisualPtr pVisual) | |
239 | { | |
240 | #if CYGDEBUG | |
241 | winDebug("winResolveColor ()\n"); | |
242 | #endif | |
243 | ||
244 | miResolveColor(pred, pgreen, pblue, pVisual); | |
245 | } | |
246 | ||
247 | /* See Porting Layer Definition - p. 29 */ | |
248 | static Bool | |
249 | winCreateColormap(ColormapPtr pmap) | |
250 | { | |
251 | winPrivCmapPtr pCmapPriv = NULL; | |
252 | ScreenPtr pScreen = pmap->pScreen; | |
253 | ||
254 | winScreenPriv(pScreen); | |
255 | ||
256 | #if CYGDEBUG | |
257 | winDebug("winCreateColormap\n"); | |
258 | #endif | |
259 | ||
260 | /* Allocate colormap privates */ | |
261 | if (!winAllocateCmapPrivates(pmap)) { | |
262 | ErrorF("winCreateColorma - Couldn't allocate cmap privates\n"); | |
263 | return FALSE; | |
264 | } | |
265 | ||
266 | /* Get a pointer to the newly allocated privates */ | |
267 | pCmapPriv = winGetCmapPriv(pmap); | |
268 | ||
269 | /* | |
270 | * FIXME: This is some evil hackery to help in handling some X clients | |
271 | * that expect the top pixel to be white. This "help" only lasts until | |
272 | * some client overwrites the top colormap entry. | |
273 | * | |
274 | * We don't want to actually allocate the top entry, as that causes | |
275 | * problems with X clients that need 7 planes (128 colors) in the default | |
276 | * colormap, such as Magic 7.1. | |
277 | */ | |
278 | pCmapPriv->rgbColors[WIN_NUM_PALETTE_ENTRIES - 1].rgbRed = 255; | |
279 | pCmapPriv->rgbColors[WIN_NUM_PALETTE_ENTRIES - 1].rgbGreen = 255; | |
280 | pCmapPriv->rgbColors[WIN_NUM_PALETTE_ENTRIES - 1].rgbBlue = 255; | |
281 | pCmapPriv->peColors[WIN_NUM_PALETTE_ENTRIES - 1].peRed = 255; | |
282 | pCmapPriv->peColors[WIN_NUM_PALETTE_ENTRIES - 1].peGreen = 255; | |
283 | pCmapPriv->peColors[WIN_NUM_PALETTE_ENTRIES - 1].peBlue = 255; | |
284 | ||
285 | /* Call the engine specific colormap initialization procedure */ | |
286 | if (!((*pScreenPriv->pwinCreateColormap) (pmap))) { | |
287 | ErrorF("winCreateColormap - Engine specific colormap creation " | |
288 | "procedure failed. Aborting.\n"); | |
289 | return FALSE; | |
290 | } | |
291 | ||
292 | return TRUE; | |
293 | } | |
294 | ||
295 | /* See Porting Layer Definition - p. 29, 30 */ | |
296 | static void | |
297 | winDestroyColormap(ColormapPtr pColormap) | |
298 | { | |
299 | winScreenPriv(pColormap->pScreen); | |
300 | winCmapPriv(pColormap); | |
301 | ||
302 | /* Call the engine specific colormap destruction procedure */ | |
303 | if (!((*pScreenPriv->pwinDestroyColormap) (pColormap))) { | |
304 | winErrorFVerb(2, | |
305 | "winDestroyColormap - Engine specific colormap destruction " | |
306 | "procedure failed. Continuing, but it is possible that memory " | |
307 | "was leaked, or that colors will be messed up from now on.\n"); | |
308 | } | |
309 | ||
310 | /* Free the colormap privates */ | |
311 | free(pCmapPriv); | |
312 | winSetCmapPriv(pColormap, NULL); | |
313 | ||
314 | #if CYGDEBUG | |
315 | winDebug("winDestroyColormap - Returning\n"); | |
316 | #endif | |
317 | } | |
318 | ||
319 | /* | |
320 | * Internal function to load the palette used by the Shadow DIB | |
321 | */ | |
322 | ||
323 | static Bool | |
324 | winGetPaletteDIB(ScreenPtr pScreen, ColormapPtr pcmap) | |
325 | { | |
326 | winScreenPriv(pScreen); | |
327 | int i; | |
328 | Pixel pixel; /* Pixel == CARD32 */ | |
329 | CARD16 nRed, nGreen, nBlue; /* CARD16 == unsigned short */ | |
330 | UINT uiColorsRetrieved = 0; | |
331 | RGBQUAD rgbColors[WIN_NUM_PALETTE_ENTRIES]; | |
332 | ||
333 | /* Get the color table for the screen */ | |
334 | uiColorsRetrieved = GetDIBColorTable(pScreenPriv->hdcScreen, | |
335 | 0, WIN_NUM_PALETTE_ENTRIES, rgbColors); | |
336 | if (uiColorsRetrieved == 0) { | |
337 | ErrorF("winGetPaletteDIB - Could not retrieve screen color table\n"); | |
338 | return FALSE; | |
339 | } | |
340 | ||
341 | #if CYGDEBUG | |
342 | winDebug("winGetPaletteDIB - Retrieved %d colors from DIB\n", | |
343 | uiColorsRetrieved); | |
344 | #endif | |
345 | ||
346 | /* Set the DIB color table to the default screen palette */ | |
347 | if (SetDIBColorTable(pScreenPriv->hdcShadow, | |
348 | 0, uiColorsRetrieved, rgbColors) == 0) { | |
349 | ErrorF("winGetPaletteDIB - SetDIBColorTable () failed\n"); | |
350 | return FALSE; | |
351 | } | |
352 | ||
353 | /* Alloc each color in the DIB color table */ | |
354 | for (i = 0; i < uiColorsRetrieved; ++i) { | |
355 | pixel = i; | |
356 | ||
357 | /* Extract the color values for current palette entry */ | |
358 | nRed = rgbColors[i].rgbRed << 8; | |
359 | nGreen = rgbColors[i].rgbGreen << 8; | |
360 | nBlue = rgbColors[i].rgbBlue << 8; | |
361 | ||
362 | #if CYGDEBUG | |
363 | winDebug("winGetPaletteDIB - Allocating a color: %d; " | |
364 | "%d %d %d\n", pixel, nRed, nGreen, nBlue); | |
365 | #endif | |
366 | ||
367 | /* Allocate a entry in the X colormap */ | |
368 | if (AllocColor(pcmap, &nRed, &nGreen, &nBlue, &pixel, 0) != Success) { | |
369 | ErrorF("winGetPaletteDIB - AllocColor () failed, pixel %d\n", i); | |
370 | return FALSE; | |
371 | } | |
372 | ||
373 | if (i != pixel | |
374 | || nRed != rgbColors[i].rgbRed | |
375 | || nGreen != rgbColors[i].rgbGreen | |
376 | || nBlue != rgbColors[i].rgbBlue) { | |
377 | winDebug("winGetPaletteDIB - Got: %d; " | |
378 | "%d %d %d\n", (int) pixel, nRed, nGreen, nBlue); | |
379 | } | |
380 | ||
381 | /* FIXME: Not sure that this bit is needed at all */ | |
382 | pcmap->red[i].co.local.red = nRed; | |
383 | pcmap->red[i].co.local.green = nGreen; | |
384 | pcmap->red[i].co.local.blue = nBlue; | |
385 | } | |
386 | ||
387 | /* System is using a colormap */ | |
388 | /* Set the black and white pixel indices */ | |
389 | pScreen->whitePixel = uiColorsRetrieved - 1; | |
390 | pScreen->blackPixel = 0; | |
391 | ||
392 | return TRUE; | |
393 | } | |
394 | ||
395 | /* | |
396 | * Internal function to load the standard system palette being used by DD | |
397 | */ | |
398 | ||
399 | static Bool | |
400 | winGetPaletteDD(ScreenPtr pScreen, ColormapPtr pcmap) | |
401 | { | |
402 | int i; | |
403 | Pixel pixel; /* Pixel == CARD32 */ | |
404 | CARD16 nRed, nGreen, nBlue; /* CARD16 == unsigned short */ | |
405 | UINT uiSystemPaletteEntries; | |
406 | LPPALETTEENTRY ppeColors = NULL; | |
407 | HDC hdc = NULL; | |
408 | ||
409 | /* Get a DC to obtain the default palette */ | |
410 | hdc = GetDC(NULL); | |
411 | if (hdc == NULL) { | |
412 | ErrorF("winGetPaletteDD - Couldn't get a DC\n"); | |
413 | return FALSE; | |
414 | } | |
415 | ||
416 | /* Get the number of entries in the system palette */ | |
417 | uiSystemPaletteEntries = GetSystemPaletteEntries(hdc, 0, 0, NULL); | |
418 | if (uiSystemPaletteEntries == 0) { | |
419 | ErrorF("winGetPaletteDD - Unable to determine number of " | |
420 | "system palette entries\n"); | |
421 | return FALSE; | |
422 | } | |
423 | ||
424 | #if CYGDEBUG | |
425 | winDebug("winGetPaletteDD - uiSystemPaletteEntries %d\n", | |
426 | uiSystemPaletteEntries); | |
427 | #endif | |
428 | ||
429 | /* Allocate palette entries structure */ | |
430 | ppeColors = malloc(uiSystemPaletteEntries * sizeof(PALETTEENTRY)); | |
431 | if (ppeColors == NULL) { | |
432 | ErrorF("winGetPaletteDD - malloc () for colormap failed\n"); | |
433 | return FALSE; | |
434 | } | |
435 | ||
436 | /* Get system palette entries */ | |
437 | GetSystemPaletteEntries(hdc, 0, uiSystemPaletteEntries, ppeColors); | |
438 | ||
439 | /* Allocate an X colormap entry for every system palette entry */ | |
440 | for (i = 0; i < uiSystemPaletteEntries; ++i) { | |
441 | pixel = i; | |
442 | ||
443 | /* Extract the color values for current palette entry */ | |
444 | nRed = ppeColors[i].peRed << 8; | |
445 | nGreen = ppeColors[i].peGreen << 8; | |
446 | nBlue = ppeColors[i].peBlue << 8; | |
447 | #if CYGDEBUG | |
448 | winDebug("winGetPaletteDD - Allocating a color: %d; " | |
449 | "%d %d %d\n", pixel, nRed, nGreen, nBlue); | |
450 | #endif | |
451 | if (AllocColor(pcmap, &nRed, &nGreen, &nBlue, &pixel, 0) != Success) { | |
452 | ErrorF("winGetPaletteDD - AllocColor () failed, pixel %d\n", i); | |
453 | free(ppeColors); | |
454 | ppeColors = NULL; | |
455 | return FALSE; | |
456 | } | |
457 | ||
458 | pcmap->red[i].co.local.red = nRed; | |
459 | pcmap->red[i].co.local.green = nGreen; | |
460 | pcmap->red[i].co.local.blue = nBlue; | |
461 | } | |
462 | ||
463 | /* System is using a colormap */ | |
464 | /* Set the black and white pixel indices */ | |
465 | pScreen->whitePixel = uiSystemPaletteEntries - 1; | |
466 | pScreen->blackPixel = 0; | |
467 | ||
468 | /* Free colormap */ | |
469 | free(ppeColors); | |
470 | ppeColors = NULL; | |
471 | ||
472 | /* Free the DC */ | |
473 | if (hdc != NULL) { | |
474 | ReleaseDC(NULL, hdc); | |
475 | hdc = NULL; | |
476 | } | |
477 | ||
478 | return TRUE; | |
479 | } | |
480 | ||
481 | /* | |
482 | * Install the standard fb colormap, or the GDI colormap, | |
483 | * depending on the current screen depth. | |
484 | */ | |
485 | ||
486 | Bool | |
487 | winCreateDefColormap(ScreenPtr pScreen) | |
488 | { | |
489 | winScreenPriv(pScreen); | |
490 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
491 | unsigned short zero = 0, ones = 0xFFFF; | |
492 | VisualPtr pVisual = pScreenPriv->pRootVisual; | |
493 | ColormapPtr pcmap = NULL; | |
494 | Pixel wp, bp; | |
495 | ||
496 | #if CYGDEBUG | |
497 | winDebug("winCreateDefColormap\n"); | |
498 | #endif | |
499 | ||
500 | /* Use standard fb colormaps for non palettized color modes */ | |
501 | if (pScreenInfo->dwBPP > 8) { | |
502 | winDebug("winCreateDefColormap - Deferring to " | |
503 | "fbCreateDefColormap ()\n"); | |
504 | return fbCreateDefColormap(pScreen); | |
505 | } | |
506 | ||
507 | /* | |
508 | * AllocAll for non-Dynamic visual classes, | |
509 | * AllocNone for Dynamic visual classes. | |
510 | */ | |
511 | ||
512 | /* | |
513 | * Dynamic visual classes allow the colors of the color map | |
514 | * to be changed by clients. | |
515 | */ | |
516 | ||
517 | #if CYGDEBUG | |
518 | winDebug("winCreateDefColormap - defColormap: %d\n", pScreen->defColormap); | |
519 | #endif | |
520 | ||
521 | /* Allocate an X colormap, owned by client 0 */ | |
522 | if (CreateColormap(pScreen->defColormap, | |
523 | pScreen, | |
524 | pVisual, | |
525 | &pcmap, | |
526 | (pVisual->class & DynamicClass) ? AllocNone : AllocAll, | |
527 | 0) != Success) { | |
528 | ErrorF("winCreateDefColormap - CreateColormap failed\n"); | |
529 | return FALSE; | |
530 | } | |
531 | if (pcmap == NULL) { | |
532 | ErrorF("winCreateDefColormap - Colormap could not be created\n"); | |
533 | return FALSE; | |
534 | } | |
535 | ||
536 | #if CYGDEBUG | |
537 | winDebug("winCreateDefColormap - Created a colormap\n"); | |
538 | #endif | |
539 | ||
540 | /* Branch on the visual class */ | |
541 | if (!(pVisual->class & DynamicClass)) { | |
542 | /* Branch on engine type */ | |
543 | if (pScreenInfo->dwEngine == WIN_SERVER_SHADOW_GDI) { | |
544 | /* Load the colors being used by the Shadow DIB */ | |
545 | if (!winGetPaletteDIB(pScreen, pcmap)) { | |
546 | ErrorF("winCreateDefColormap - Couldn't get DIB colors\n"); | |
547 | return FALSE; | |
548 | } | |
549 | } | |
550 | else { | |
551 | /* Load the colors from the default system palette */ | |
552 | if (!winGetPaletteDD(pScreen, pcmap)) { | |
553 | ErrorF("winCreateDefColormap - Couldn't get colors " | |
554 | "for DD\n"); | |
555 | return FALSE; | |
556 | } | |
557 | } | |
558 | } | |
559 | else { | |
560 | wp = pScreen->whitePixel; | |
561 | bp = pScreen->blackPixel; | |
562 | ||
563 | /* Allocate a black and white pixel */ | |
564 | if ((AllocColor(pcmap, &ones, &ones, &ones, &wp, 0) != Success) | |
565 | || (AllocColor(pcmap, &zero, &zero, &zero, &bp, 0) != Success)) { | |
566 | ErrorF("winCreateDefColormap - Couldn't allocate bp or wp\n"); | |
567 | return FALSE; | |
568 | } | |
569 | ||
570 | pScreen->whitePixel = wp; | |
571 | pScreen->blackPixel = bp; | |
572 | ||
573 | #if 0 | |
574 | /* Have to reserve first 10 and last ten pixels in DirectDraw windowed */ | |
575 | if (pScreenInfo->dwEngine != WIN_SERVER_SHADOW_GDI) { | |
576 | int k; | |
577 | Pixel p; | |
578 | ||
579 | for (k = 1; k < 10; ++k) { | |
580 | p = k; | |
581 | if (AllocColor(pcmap, &ones, &ones, &ones, &p, 0) != Success) | |
582 | FatalError("Foo!\n"); | |
583 | } | |
584 | ||
585 | for (k = 245; k < 255; ++k) { | |
586 | p = k; | |
587 | if (AllocColor(pcmap, &zero, &zero, &zero, &p, 0) != Success) | |
588 | FatalError("Baz!\n"); | |
589 | } | |
590 | } | |
591 | #endif | |
592 | } | |
593 | ||
594 | /* Install the created colormap */ | |
595 | (*pScreen->InstallColormap) (pcmap); | |
596 | ||
597 | #if CYGDEBUG | |
598 | winDebug("winCreateDefColormap - Returning\n"); | |
599 | #endif | |
600 | ||
601 | return TRUE; | |
602 | } |