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a09e091a JB |
1 | /*********************************************************** |
2 | ||
3 | Copyright 1987, 1998 The Open Group | |
4 | ||
5 | Permission to use, copy, modify, distribute, and sell this software and its | |
6 | documentation for any purpose is hereby granted without fee, provided that | |
7 | the above copyright notice appear in all copies and that both that | |
8 | copyright notice and this permission notice appear in supporting | |
9 | documentation. | |
10 | ||
11 | The above copyright notice and this permission notice shall be included in | |
12 | all copies or substantial portions of the Software. | |
13 | ||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | ||
21 | Except as contained in this notice, the name of The Open Group shall not be | |
22 | used in advertising or otherwise to promote the sale, use or other dealings | |
23 | in this Software without prior written authorization from The Open Group. | |
24 | ||
25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. | |
26 | ||
27 | All Rights Reserved | |
28 | ||
29 | Permission to use, copy, modify, and distribute this software and its | |
30 | documentation for any purpose and without fee is hereby granted, | |
31 | provided that the above copyright notice appear in all copies and that | |
32 | both that copyright notice and this permission notice appear in | |
33 | supporting documentation, and that the name of Digital not be | |
34 | used in advertising or publicity pertaining to distribution of the | |
35 | software without specific, written prior permission. | |
36 | ||
37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
43 | SOFTWARE. | |
44 | ||
45 | ******************************************************************/ | |
46 | /***************************************************************** | |
47 | ||
48 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. | |
49 | ||
50 | Permission is hereby granted, free of charge, to any person obtaining a copy | |
51 | of this software and associated documentation files (the "Software"), to deal | |
52 | in the Software without restriction, including without limitation the rights | |
53 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
54 | copies of the Software. | |
55 | ||
56 | The above copyright notice and this permission notice shall be included in | |
57 | all copies or substantial portions of the Software. | |
58 | ||
59 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
60 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
61 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
62 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, | |
63 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, | |
64 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR | |
65 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
66 | ||
67 | Except as contained in this notice, the name of Digital Equipment Corporation | |
68 | shall not be used in advertising or otherwise to promote the sale, use or other | |
69 | dealings in this Software without prior written authorization from Digital | |
70 | Equipment Corporation. | |
71 | ||
72 | ******************************************************************/ | |
73 | ||
74 | #ifdef HAVE_DIX_CONFIG_H | |
75 | #include <dix-config.h> | |
76 | #endif | |
77 | ||
78 | #include <X11/X.h> | |
79 | #include <X11/Xproto.h> | |
80 | #include <X11/Xprotostr.h> | |
81 | ||
82 | #include "misc.h" | |
83 | #include "regionstr.h" | |
84 | #include "scrnintstr.h" | |
85 | #include "gcstruct.h" | |
86 | #include "windowstr.h" | |
87 | #include "pixmap.h" | |
88 | #include "input.h" | |
89 | ||
90 | #include "dixstruct.h" | |
91 | #include "mi.h" | |
92 | #include <X11/Xmd.h> | |
93 | ||
94 | #include "globals.h" | |
95 | ||
96 | #ifdef PANORAMIX | |
97 | #include "panoramiX.h" | |
98 | #include "panoramiXsrv.h" | |
99 | #endif | |
100 | ||
101 | /* | |
102 | machine-independent graphics exposure code. any device that uses | |
103 | the region package can call this. | |
104 | */ | |
105 | ||
106 | #ifndef RECTLIMIT | |
107 | #define RECTLIMIT 25 /* pick a number, any number > 8 */ | |
108 | #endif | |
109 | ||
110 | /* miHandleExposures | |
111 | generate a region for exposures for areas that were copied from obscured or | |
112 | non-existent areas to non-obscured areas of the destination. Paint the | |
113 | background for the region, if the destination is a window. | |
114 | ||
115 | NOTE: | |
116 | this should generally be called, even if graphicsExposures is false, | |
117 | because this is where bits get recovered from backing store. | |
118 | ||
119 | NOTE: | |
120 | added argument 'plane' is used to indicate how exposures from backing | |
121 | store should be accomplished. If plane is 0 (i.e. no bit plane), CopyArea | |
122 | should be used, else a CopyPlane of the indicated plane will be used. The | |
123 | exposing is done by the backing store's GraphicsExpose function, of course. | |
124 | ||
125 | */ | |
126 | ||
127 | RegionPtr | |
128 | miHandleExposures(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, | |
129 | GCPtr pGC, int srcx, int srcy, int width, int height, | |
130 | int dstx, int dsty, unsigned long plane) | |
131 | { | |
132 | RegionPtr prgnSrcClip; /* drawable-relative source clip */ | |
133 | RegionRec rgnSrcRec; | |
134 | RegionPtr prgnDstClip; /* drawable-relative dest clip */ | |
135 | RegionRec rgnDstRec; | |
136 | BoxRec srcBox; /* unclipped source */ | |
137 | RegionRec rgnExposed; /* exposed region, calculated source- | |
138 | relative, made dst relative to | |
139 | intersect with visible parts of | |
140 | dest and send events to client, | |
141 | and then screen relative to paint | |
142 | the window background | |
143 | */ | |
144 | WindowPtr pSrcWin; | |
145 | BoxRec expBox; | |
146 | Bool extents; | |
147 | ||
148 | /* avoid work if we can */ | |
149 | if (!pGC->graphicsExposures && | |
150 | (pDstDrawable->type == DRAWABLE_PIXMAP) && | |
151 | ((pSrcDrawable->type == DRAWABLE_PIXMAP) || | |
152 | (((WindowPtr) pSrcDrawable)->backStorage == NULL))) | |
153 | return NULL; | |
154 | ||
155 | srcBox.x1 = srcx; | |
156 | srcBox.y1 = srcy; | |
157 | srcBox.x2 = srcx + width; | |
158 | srcBox.y2 = srcy + height; | |
159 | ||
160 | if (pSrcDrawable->type != DRAWABLE_PIXMAP) { | |
161 | BoxRec TsrcBox; | |
162 | ||
163 | TsrcBox.x1 = srcx + pSrcDrawable->x; | |
164 | TsrcBox.y1 = srcy + pSrcDrawable->y; | |
165 | TsrcBox.x2 = TsrcBox.x1 + width; | |
166 | TsrcBox.y2 = TsrcBox.y1 + height; | |
167 | pSrcWin = (WindowPtr) pSrcDrawable; | |
168 | if (pGC->subWindowMode == IncludeInferiors) { | |
169 | prgnSrcClip = NotClippedByChildren(pSrcWin); | |
170 | if ((RegionContainsRect(prgnSrcClip, &TsrcBox)) == rgnIN) { | |
171 | RegionDestroy(prgnSrcClip); | |
172 | return NULL; | |
173 | } | |
174 | } | |
175 | else { | |
176 | if ((RegionContainsRect(&pSrcWin->clipList, &TsrcBox)) == rgnIN) | |
177 | return NULL; | |
178 | prgnSrcClip = &rgnSrcRec; | |
179 | RegionNull(prgnSrcClip); | |
180 | RegionCopy(prgnSrcClip, &pSrcWin->clipList); | |
181 | } | |
182 | RegionTranslate(prgnSrcClip, -pSrcDrawable->x, -pSrcDrawable->y); | |
183 | } | |
184 | else { | |
185 | BoxRec box; | |
186 | ||
187 | if ((srcBox.x1 >= 0) && (srcBox.y1 >= 0) && | |
188 | (srcBox.x2 <= pSrcDrawable->width) && | |
189 | (srcBox.y2 <= pSrcDrawable->height)) | |
190 | return NULL; | |
191 | ||
192 | box.x1 = 0; | |
193 | box.y1 = 0; | |
194 | box.x2 = pSrcDrawable->width; | |
195 | box.y2 = pSrcDrawable->height; | |
196 | prgnSrcClip = &rgnSrcRec; | |
197 | RegionInit(prgnSrcClip, &box, 1); | |
198 | pSrcWin = NULL; | |
199 | } | |
200 | ||
201 | if (pDstDrawable == pSrcDrawable) { | |
202 | prgnDstClip = prgnSrcClip; | |
203 | } | |
204 | else if (pDstDrawable->type != DRAWABLE_PIXMAP) { | |
205 | if (pGC->subWindowMode == IncludeInferiors) { | |
206 | prgnDstClip = NotClippedByChildren((WindowPtr) pDstDrawable); | |
207 | } | |
208 | else { | |
209 | prgnDstClip = &rgnDstRec; | |
210 | RegionNull(prgnDstClip); | |
211 | RegionCopy(prgnDstClip, &((WindowPtr) pDstDrawable)->clipList); | |
212 | } | |
213 | RegionTranslate(prgnDstClip, -pDstDrawable->x, -pDstDrawable->y); | |
214 | } | |
215 | else { | |
216 | BoxRec box; | |
217 | ||
218 | box.x1 = 0; | |
219 | box.y1 = 0; | |
220 | box.x2 = pDstDrawable->width; | |
221 | box.y2 = pDstDrawable->height; | |
222 | prgnDstClip = &rgnDstRec; | |
223 | RegionInit(prgnDstClip, &box, 1); | |
224 | } | |
225 | ||
226 | /* drawable-relative source region */ | |
227 | RegionInit(&rgnExposed, &srcBox, 1); | |
228 | ||
229 | /* now get the hidden parts of the source box */ | |
230 | RegionSubtract(&rgnExposed, &rgnExposed, prgnSrcClip); | |
231 | ||
232 | /* move them over the destination */ | |
233 | RegionTranslate(&rgnExposed, dstx - srcx, dsty - srcy); | |
234 | ||
235 | /* intersect with visible areas of dest */ | |
236 | RegionIntersect(&rgnExposed, &rgnExposed, prgnDstClip); | |
237 | ||
238 | /* intersect with client clip region. */ | |
239 | if (pGC->clientClipType == CT_REGION) | |
240 | RegionIntersect(&rgnExposed, &rgnExposed, pGC->clientClip); | |
241 | ||
242 | /* | |
243 | * If we have LOTS of rectangles, we decide to take the extents | |
244 | * and force an exposure on that. This should require much less | |
245 | * work overall, on both client and server. This is cheating, but | |
246 | * isn't prohibited by the protocol ("spontaneous combustion" :-) | |
247 | * for windows. | |
248 | */ | |
249 | extents = pGC->graphicsExposures && | |
250 | (RegionNumRects(&rgnExposed) > RECTLIMIT) && | |
251 | (pDstDrawable->type != DRAWABLE_PIXMAP); | |
252 | if (pSrcWin) { | |
253 | RegionPtr region; | |
254 | ||
255 | if (!(region = wClipShape(pSrcWin))) | |
256 | region = wBoundingShape(pSrcWin); | |
257 | /* | |
258 | * If you try to CopyArea the extents of a shaped window, compacting the | |
259 | * exposed region will undo all our work! | |
260 | */ | |
261 | if (extents && pSrcWin && region && | |
262 | (RegionContainsRect(region, &srcBox) != rgnIN)) | |
263 | extents = FALSE; | |
264 | } | |
265 | if (extents) { | |
266 | expBox = *RegionExtents(&rgnExposed); | |
267 | RegionReset(&rgnExposed, &expBox); | |
268 | } | |
269 | if ((pDstDrawable->type != DRAWABLE_PIXMAP) && | |
270 | (((WindowPtr) pDstDrawable)->backgroundState != None)) { | |
271 | WindowPtr pWin = (WindowPtr) pDstDrawable; | |
272 | ||
273 | /* make the exposed area screen-relative */ | |
274 | RegionTranslate(&rgnExposed, pDstDrawable->x, pDstDrawable->y); | |
275 | ||
276 | if (extents) { | |
277 | /* miPaintWindow doesn't clip, so we have to */ | |
278 | RegionIntersect(&rgnExposed, &rgnExposed, &pWin->clipList); | |
279 | } | |
280 | miPaintWindow((WindowPtr) pDstDrawable, &rgnExposed, PW_BACKGROUND); | |
281 | ||
282 | if (extents) { | |
283 | RegionReset(&rgnExposed, &expBox); | |
284 | } | |
285 | else | |
286 | RegionTranslate(&rgnExposed, -pDstDrawable->x, -pDstDrawable->y); | |
287 | } | |
288 | if (prgnDstClip == &rgnDstRec) { | |
289 | RegionUninit(prgnDstClip); | |
290 | } | |
291 | else if (prgnDstClip != prgnSrcClip) { | |
292 | RegionDestroy(prgnDstClip); | |
293 | } | |
294 | ||
295 | if (prgnSrcClip == &rgnSrcRec) { | |
296 | RegionUninit(prgnSrcClip); | |
297 | } | |
298 | else { | |
299 | RegionDestroy(prgnSrcClip); | |
300 | } | |
301 | ||
302 | if (pGC->graphicsExposures) { | |
303 | /* don't look */ | |
304 | RegionPtr exposed = RegionCreate(NullBox, 0); | |
305 | ||
306 | *exposed = rgnExposed; | |
307 | return exposed; | |
308 | } | |
309 | else { | |
310 | RegionUninit(&rgnExposed); | |
311 | return NULL; | |
312 | } | |
313 | } | |
314 | ||
315 | /* send GraphicsExpose events, or a NoExpose event, based on the region */ | |
316 | ||
317 | void | |
318 | miSendGraphicsExpose(ClientPtr client, RegionPtr pRgn, XID drawable, | |
319 | int major, int minor) | |
320 | { | |
321 | if (pRgn && !RegionNil(pRgn)) { | |
322 | xEvent *pEvent; | |
323 | xEvent *pe; | |
324 | BoxPtr pBox; | |
325 | int i; | |
326 | int numRects; | |
327 | ||
328 | numRects = RegionNumRects(pRgn); | |
329 | pBox = RegionRects(pRgn); | |
330 | if (!(pEvent = calloc(numRects, sizeof(xEvent)))) | |
331 | return; | |
332 | pe = pEvent; | |
333 | ||
334 | for (i = 1; i <= numRects; i++, pe++, pBox++) { | |
335 | pe->u.u.type = GraphicsExpose; | |
336 | pe->u.graphicsExposure.drawable = drawable; | |
337 | pe->u.graphicsExposure.x = pBox->x1; | |
338 | pe->u.graphicsExposure.y = pBox->y1; | |
339 | pe->u.graphicsExposure.width = pBox->x2 - pBox->x1; | |
340 | pe->u.graphicsExposure.height = pBox->y2 - pBox->y1; | |
341 | pe->u.graphicsExposure.count = numRects - i; | |
342 | pe->u.graphicsExposure.majorEvent = major; | |
343 | pe->u.graphicsExposure.minorEvent = minor; | |
344 | } | |
345 | /* GraphicsExpose is a "critical event", which TryClientEvents | |
346 | * handles specially. */ | |
347 | TryClientEvents(client, NULL, pEvent, numRects, | |
348 | (Mask) 0, NoEventMask, NullGrab); | |
349 | free(pEvent); | |
350 | } | |
351 | else { | |
352 | xEvent event = { | |
353 | .u.noExposure.drawable = drawable, | |
354 | .u.noExposure.majorEvent = major, | |
355 | .u.noExposure.minorEvent = minor | |
356 | }; | |
357 | event.u.u.type = NoExpose; | |
358 | WriteEventsToClient(client, 1, &event); | |
359 | } | |
360 | } | |
361 | ||
362 | void | |
363 | miSendExposures(WindowPtr pWin, RegionPtr pRgn, int dx, int dy) | |
364 | { | |
365 | BoxPtr pBox; | |
366 | int numRects; | |
367 | xEvent *pEvent, *pe; | |
368 | int i; | |
369 | ||
370 | pBox = RegionRects(pRgn); | |
371 | numRects = RegionNumRects(pRgn); | |
372 | if (!(pEvent = calloc(1, numRects * sizeof(xEvent)))) | |
373 | return; | |
374 | ||
375 | for (i = numRects, pe = pEvent; --i >= 0; pe++, pBox++) { | |
376 | pe->u.u.type = Expose; | |
377 | pe->u.expose.window = pWin->drawable.id; | |
378 | pe->u.expose.x = pBox->x1 - dx; | |
379 | pe->u.expose.y = pBox->y1 - dy; | |
380 | pe->u.expose.width = pBox->x2 - pBox->x1; | |
381 | pe->u.expose.height = pBox->y2 - pBox->y1; | |
382 | pe->u.expose.count = i; | |
383 | } | |
384 | ||
385 | #ifdef PANORAMIX | |
386 | if (!noPanoramiXExtension) { | |
387 | int scrnum = pWin->drawable.pScreen->myNum; | |
388 | int x = 0, y = 0; | |
389 | XID realWin = 0; | |
390 | ||
391 | if (!pWin->parent) { | |
392 | x = screenInfo.screens[scrnum]->x; | |
393 | y = screenInfo.screens[scrnum]->y; | |
394 | pWin = screenInfo.screens[0]->root; | |
395 | realWin = pWin->drawable.id; | |
396 | } | |
397 | else if (scrnum) { | |
398 | PanoramiXRes *win; | |
399 | ||
400 | win = PanoramiXFindIDByScrnum(XRT_WINDOW, | |
401 | pWin->drawable.id, scrnum); | |
402 | if (!win) { | |
403 | free(pEvent); | |
404 | return; | |
405 | } | |
406 | realWin = win->info[0].id; | |
407 | dixLookupWindow(&pWin, realWin, serverClient, DixSendAccess); | |
408 | } | |
409 | if (x || y || scrnum) | |
410 | for (i = 0; i < numRects; i++) { | |
411 | pEvent[i].u.expose.window = realWin; | |
412 | pEvent[i].u.expose.x += x; | |
413 | pEvent[i].u.expose.y += y; | |
414 | } | |
415 | } | |
416 | #endif | |
417 | ||
418 | DeliverEvents(pWin, pEvent, numRects, NullWindow); | |
419 | ||
420 | free(pEvent); | |
421 | } | |
422 | ||
423 | void | |
424 | miWindowExposures(WindowPtr pWin, RegionPtr prgn, RegionPtr other_exposed) | |
425 | { | |
426 | RegionPtr exposures = prgn; | |
427 | ||
428 | if ((prgn && !RegionNil(prgn)) || | |
429 | (exposures && !RegionNil(exposures)) || other_exposed) { | |
430 | RegionRec expRec; | |
431 | int clientInterested; | |
432 | ||
433 | /* | |
434 | * Restore from backing-store FIRST. | |
435 | */ | |
436 | clientInterested = | |
437 | (pWin->eventMask | wOtherEventMasks(pWin)) & ExposureMask; | |
438 | if (other_exposed) { | |
439 | if (exposures) { | |
440 | RegionUnion(other_exposed, exposures, other_exposed); | |
441 | if (exposures != prgn) | |
442 | RegionDestroy(exposures); | |
443 | } | |
444 | exposures = other_exposed; | |
445 | } | |
446 | if (clientInterested && exposures && | |
447 | (RegionNumRects(exposures) > RECTLIMIT)) { | |
448 | /* | |
449 | * If we have LOTS of rectangles, we decide to take the extents | |
450 | * and force an exposure on that. This should require much less | |
451 | * work overall, on both client and server. This is cheating, but | |
452 | * isn't prohibited by the protocol ("spontaneous combustion" :-). | |
453 | */ | |
454 | BoxRec box; | |
455 | ||
456 | box = *RegionExtents(exposures); | |
457 | if (exposures == prgn) { | |
458 | exposures = &expRec; | |
459 | RegionInit(exposures, &box, 1); | |
460 | RegionReset(prgn, &box); | |
461 | } | |
462 | else { | |
463 | RegionReset(exposures, &box); | |
464 | RegionUnion(prgn, prgn, exposures); | |
465 | } | |
466 | /* miPaintWindow doesn't clip, so we have to */ | |
467 | RegionIntersect(prgn, prgn, &pWin->clipList); | |
468 | } | |
469 | if (prgn && !RegionNil(prgn)) | |
470 | miPaintWindow(pWin, prgn, PW_BACKGROUND); | |
471 | if (clientInterested && exposures && !RegionNil(exposures)) | |
472 | miSendExposures(pWin, exposures, | |
473 | pWin->drawable.x, pWin->drawable.y); | |
474 | if (exposures == &expRec) { | |
475 | RegionUninit(exposures); | |
476 | } | |
477 | else if (exposures && exposures != prgn && exposures != other_exposed) | |
478 | RegionDestroy(exposures); | |
479 | if (prgn) | |
480 | RegionEmpty(prgn); | |
481 | } | |
482 | else if (exposures && exposures != prgn) | |
483 | RegionDestroy(exposures); | |
484 | } | |
485 | ||
486 | #ifdef ROOTLESS | |
487 | /* Ugly, ugly, but we lost our hooks into miPaintWindow... =/ */ | |
488 | void RootlessSetPixmapOfAncestors(WindowPtr pWin); | |
489 | void RootlessStartDrawing(WindowPtr pWin); | |
490 | void RootlessDamageRegion(WindowPtr pWin, RegionPtr prgn); | |
491 | Bool IsFramedWindow(WindowPtr pWin); | |
492 | #endif | |
493 | ||
494 | void | |
495 | miPaintWindow(WindowPtr pWin, RegionPtr prgn, int what) | |
496 | { | |
497 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
498 | ChangeGCVal gcval[6]; | |
499 | BITS32 gcmask; | |
500 | GCPtr pGC; | |
501 | int i; | |
502 | BoxPtr pbox; | |
503 | xRectangle *prect; | |
504 | int numRects; | |
505 | ||
506 | /* | |
507 | * Distance from screen to destination drawable, use this | |
508 | * to adjust rendering coordinates which come in in screen space | |
509 | */ | |
510 | int draw_x_off, draw_y_off; | |
511 | ||
512 | /* | |
513 | * Tile offset for drawing; these need to align the tile | |
514 | * to the appropriate window origin | |
515 | */ | |
516 | int tile_x_off, tile_y_off; | |
517 | PixUnion fill; | |
518 | Bool solid = TRUE; | |
519 | DrawablePtr drawable = &pWin->drawable; | |
520 | ||
521 | #ifdef ROOTLESS | |
522 | if (!drawable || drawable->type == UNDRAWABLE_WINDOW) | |
523 | return; | |
524 | ||
525 | if (IsFramedWindow(pWin)) { | |
526 | RootlessStartDrawing(pWin); | |
527 | RootlessDamageRegion(pWin, prgn); | |
528 | ||
529 | if (pWin->backgroundState == ParentRelative) { | |
530 | if ((what == PW_BACKGROUND) || | |
531 | (what == PW_BORDER && !pWin->borderIsPixel)) | |
532 | RootlessSetPixmapOfAncestors(pWin); | |
533 | } | |
534 | } | |
535 | #endif | |
536 | ||
537 | if (what == PW_BACKGROUND) { | |
538 | while (pWin->backgroundState == ParentRelative) | |
539 | pWin = pWin->parent; | |
540 | ||
541 | draw_x_off = drawable->x; | |
542 | draw_y_off = drawable->y; | |
543 | ||
544 | tile_x_off = pWin->drawable.x - draw_x_off; | |
545 | tile_y_off = pWin->drawable.y - draw_y_off; | |
546 | fill = pWin->background; | |
547 | #ifdef COMPOSITE | |
548 | if (pWin->inhibitBGPaint) | |
549 | return; | |
550 | #endif | |
551 | switch (pWin->backgroundState) { | |
552 | case None: | |
553 | return; | |
554 | case BackgroundPixmap: | |
555 | solid = FALSE; | |
556 | break; | |
557 | } | |
558 | } | |
559 | else { | |
560 | PixmapPtr pixmap; | |
561 | ||
562 | tile_x_off = drawable->x; | |
563 | tile_y_off = drawable->y; | |
564 | ||
565 | /* servers without pixmaps draw their own borders */ | |
566 | if (!pScreen->GetWindowPixmap) | |
567 | return; | |
568 | pixmap = (*pScreen->GetWindowPixmap) ((WindowPtr) drawable); | |
569 | drawable = &pixmap->drawable; | |
570 | #ifdef COMPOSITE | |
571 | draw_x_off = pixmap->screen_x; | |
572 | draw_y_off = pixmap->screen_y; | |
573 | tile_x_off -= draw_x_off; | |
574 | tile_y_off -= draw_y_off; | |
575 | #else | |
576 | draw_x_off = 0; | |
577 | draw_y_off = 0; | |
578 | #endif | |
579 | fill = pWin->border; | |
580 | solid = pWin->borderIsPixel; | |
581 | } | |
582 | ||
583 | gcval[0].val = GXcopy; | |
584 | gcmask = GCFunction; | |
585 | ||
586 | #ifdef ROOTLESS_SAFEALPHA | |
587 | /* Bit mask for alpha channel with a particular number of bits per | |
588 | * pixel. Note that we only care for 32bpp data. Mac OS X uses planar | |
589 | * alpha for 16bpp. | |
590 | */ | |
591 | #define RootlessAlphaMask(bpp) ((bpp) == 32 ? 0xFF000000 : 0) | |
592 | #endif | |
593 | ||
594 | if (solid) { | |
595 | #ifdef ROOTLESS_SAFEALPHA | |
596 | gcval[1].val = | |
597 | fill.pixel | RootlessAlphaMask(pWin->drawable.bitsPerPixel); | |
598 | #else | |
599 | gcval[1].val = fill.pixel; | |
600 | #endif | |
601 | gcval[2].val = FillSolid; | |
602 | gcmask |= GCForeground | GCFillStyle; | |
603 | } | |
604 | else { | |
605 | int c = 1; | |
606 | ||
607 | #ifdef ROOTLESS_SAFEALPHA | |
608 | gcval[c++].val = | |
609 | ((CARD32) -1) & ~RootlessAlphaMask(pWin->drawable.bitsPerPixel); | |
610 | gcmask |= GCPlaneMask; | |
611 | #endif | |
612 | gcval[c++].val = FillTiled; | |
613 | gcval[c++].ptr = (pointer) fill.pixmap; | |
614 | gcval[c++].val = tile_x_off; | |
615 | gcval[c++].val = tile_y_off; | |
616 | gcmask |= GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin; | |
617 | } | |
618 | ||
619 | prect = malloc(RegionNumRects(prgn) * sizeof(xRectangle)); | |
620 | if (!prect) | |
621 | return; | |
622 | ||
623 | pGC = GetScratchGC(drawable->depth, drawable->pScreen); | |
624 | if (!pGC) { | |
625 | free(prect); | |
626 | return; | |
627 | } | |
628 | ||
629 | ChangeGC(NullClient, pGC, gcmask, gcval); | |
630 | ValidateGC(drawable, pGC); | |
631 | ||
632 | numRects = RegionNumRects(prgn); | |
633 | pbox = RegionRects(prgn); | |
634 | for (i = numRects; --i >= 0; pbox++, prect++) { | |
635 | prect->x = pbox->x1 - draw_x_off; | |
636 | prect->y = pbox->y1 - draw_y_off; | |
637 | prect->width = pbox->x2 - pbox->x1; | |
638 | prect->height = pbox->y2 - pbox->y1; | |
639 | } | |
640 | prect -= numRects; | |
641 | (*pGC->ops->PolyFillRect) (drawable, pGC, numRects, prect); | |
642 | free(prect); | |
643 | ||
644 | FreeScratchGC(pGC); | |
645 | } | |
646 | ||
647 | /* MICLEARDRAWABLE -- sets the entire drawable to the background color of | |
648 | * the GC. Useful when we have a scratch drawable and need to initialize | |
649 | * it. */ | |
650 | void | |
651 | miClearDrawable(DrawablePtr pDraw, GCPtr pGC) | |
652 | { | |
653 | ChangeGCVal fg, bg; | |
654 | xRectangle rect; | |
655 | ||
656 | fg.val = pGC->fgPixel; | |
657 | bg.val = pGC->bgPixel; | |
658 | rect.x = 0; | |
659 | rect.y = 0; | |
660 | rect.width = pDraw->width; | |
661 | rect.height = pDraw->height; | |
662 | ChangeGC(NullClient, pGC, GCForeground, &bg); | |
663 | ValidateGC(pDraw, pGC); | |
664 | (*pGC->ops->PolyFillRect) (pDraw, pGC, 1, &rect); | |
665 | ChangeGC(NullClient, pGC, GCForeground, &fg); | |
666 | ValidateGC(pDraw, pGC); | |
667 | } |