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a09e091a JB |
1 | /* |
2 | * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. | |
3 | * | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining | |
7 | * a copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation on the rights to use, copy, modify, merge, | |
10 | * publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, | |
12 | * subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial | |
16 | * portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS | |
22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
28 | /* | |
29 | * Authors: | |
30 | * Kevin E. Martin <kem@redhat.com> | |
31 | * | |
32 | */ | |
33 | ||
34 | /** \file | |
35 | * This file provides support for GC operations. */ | |
36 | ||
37 | #ifdef HAVE_DMX_CONFIG_H | |
38 | #include <dmx-config.h> | |
39 | #endif | |
40 | ||
41 | #include "dmx.h" | |
42 | #include "dmxsync.h" | |
43 | #include "dmxgc.h" | |
44 | #include "dmxgcops.h" | |
45 | #include "dmxwindow.h" | |
46 | #include "dmxpixmap.h" | |
47 | ||
48 | #include "mi.h" | |
49 | #include "gcstruct.h" | |
50 | #include "pixmapstr.h" | |
51 | #include "dixfontstr.h" | |
52 | ||
53 | #ifdef PANORAMIX | |
54 | #include "panoramiXsrv.h" | |
55 | #endif | |
56 | ||
57 | #define DMX_GCOPS_SET_DRAWABLE(_pDraw, _draw) \ | |
58 | do { \ | |
59 | if ((_pDraw)->type == DRAWABLE_WINDOW) { \ | |
60 | dmxWinPrivPtr pWinPriv = \ | |
61 | DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw)); \ | |
62 | (_draw) = (Drawable)pWinPriv->window; \ | |
63 | } else { \ | |
64 | dmxPixPrivPtr pPixPriv = \ | |
65 | DMX_GET_PIXMAP_PRIV((PixmapPtr)(_pDraw)); \ | |
66 | (_draw) = (Drawable)pPixPriv->pixmap; \ | |
67 | } \ | |
68 | } while (0) | |
69 | ||
70 | #define DMX_GCOPS_OFFSCREEN(_pDraw) \ | |
71 | (!dmxScreens[(_pDraw)->pScreen->myNum].beDisplay || \ | |
72 | (dmxOffScreenOpt && \ | |
73 | (_pDraw)->type == DRAWABLE_WINDOW && \ | |
74 | (DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->offscreen || \ | |
75 | !DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->window))) | |
76 | ||
77 | /** Fill spans -- this function should never be called. */ | |
78 | void | |
79 | dmxFillSpans(DrawablePtr pDrawable, GCPtr pGC, | |
80 | int nInit, DDXPointPtr pptInit, int *pwidthInit, int fSorted) | |
81 | { | |
82 | /* Error -- this should never happen! */ | |
83 | } | |
84 | ||
85 | /** Set spans -- this function should never be called. */ | |
86 | void | |
87 | dmxSetSpans(DrawablePtr pDrawable, GCPtr pGC, | |
88 | char *psrc, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted) | |
89 | { | |
90 | /* Error -- this should never happen! */ | |
91 | } | |
92 | ||
93 | /** Transfer \a pBits image to back-end server associated with \a | |
94 | * pDrawable's screen. If primitive subdivision optimization is | |
95 | * enabled, then only transfer the sections of \a pBits that are | |
96 | * visible (i.e., not-clipped) to the back-end server. */ | |
97 | void | |
98 | dmxPutImage(DrawablePtr pDrawable, GCPtr pGC, | |
99 | int depth, int x, int y, int w, int h, | |
100 | int leftPad, int format, char *pBits) | |
101 | { | |
102 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
103 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
104 | XImage *img; | |
105 | ||
106 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
107 | return; | |
108 | ||
109 | img = XCreateImage(dmxScreen->beDisplay, | |
110 | dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual, | |
111 | depth, format, leftPad, pBits, w, h, | |
112 | BitmapPad(dmxScreen->beDisplay), | |
113 | (format == ZPixmap) ? | |
114 | PixmapBytePad(w, depth) : BitmapBytePad(w + leftPad)); | |
115 | ||
116 | if (img) { | |
117 | Drawable draw; | |
118 | ||
119 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
120 | ||
121 | if (dmxSubdividePrimitives && pGC->pCompositeClip) { | |
122 | RegionPtr pSubImages; | |
123 | RegionPtr pClip; | |
124 | BoxRec box; | |
125 | BoxPtr pBox; | |
126 | int nBox; | |
127 | ||
128 | box.x1 = x; | |
129 | box.y1 = y; | |
130 | box.x2 = x + w; | |
131 | box.y2 = y + h; | |
132 | pSubImages = RegionCreate(&box, 1); | |
133 | ||
134 | pClip = RegionCreate(NullBox, 1); | |
135 | RegionCopy(pClip, pGC->pCompositeClip); | |
136 | RegionTranslate(pClip, -pDrawable->x, -pDrawable->y); | |
137 | RegionIntersect(pSubImages, pSubImages, pClip); | |
138 | ||
139 | nBox = RegionNumRects(pSubImages); | |
140 | pBox = RegionRects(pSubImages); | |
141 | ||
142 | while (nBox--) { | |
143 | XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, img, | |
144 | pBox->x1 - box.x1, | |
145 | pBox->y1 - box.y1, | |
146 | pBox->x1, | |
147 | pBox->y1, pBox->x2 - pBox->x1, pBox->y2 - pBox->y1); | |
148 | pBox++; | |
149 | } | |
150 | RegionDestroy(pClip); | |
151 | RegionDestroy(pSubImages); | |
152 | } | |
153 | else { | |
154 | XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
155 | img, 0, 0, x, y, w, h); | |
156 | } | |
157 | XFree(img); /* Use XFree instead of XDestroyImage | |
158 | * because pBits is passed in from the | |
159 | * caller. */ | |
160 | ||
161 | dmxSync(dmxScreen, FALSE); | |
162 | } | |
163 | else { | |
164 | /* Error -- this should not happen! */ | |
165 | } | |
166 | } | |
167 | ||
168 | /** Copy area from \a pSrc drawable to \a pDst drawable on the back-end | |
169 | * server associated with \a pSrc drawable's screen. If the offscreen | |
170 | * optimization is enabled, only copy when both \a pSrc and \a pDst are | |
171 | * at least partially visible. */ | |
172 | RegionPtr | |
173 | dmxCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, | |
174 | int srcx, int srcy, int w, int h, int dstx, int dsty) | |
175 | { | |
176 | DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum]; | |
177 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
178 | Drawable srcDraw, dstDraw; | |
179 | ||
180 | if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst)) | |
181 | return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h, | |
182 | dstx, dsty, 0L); | |
183 | ||
184 | DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw); | |
185 | DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw); | |
186 | ||
187 | XCopyArea(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc, | |
188 | srcx, srcy, w, h, dstx, dsty); | |
189 | dmxSync(dmxScreen, FALSE); | |
190 | ||
191 | return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty, 0L); | |
192 | } | |
193 | ||
194 | /** Copy plane number \a bitPlane from \a pSrc drawable to \a pDst | |
195 | * drawable on the back-end server associated with \a pSrc drawable's | |
196 | * screen. If the offscreen optimization is enabled, only copy when | |
197 | * both \a pSrc and \a pDst are at least partially visible. */ | |
198 | RegionPtr | |
199 | dmxCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, | |
200 | int srcx, int srcy, int width, int height, | |
201 | int dstx, int dsty, unsigned long bitPlane) | |
202 | { | |
203 | DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum]; | |
204 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
205 | Drawable srcDraw, dstDraw; | |
206 | ||
207 | if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst)) | |
208 | return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height, | |
209 | dstx, dsty, bitPlane); | |
210 | ||
211 | DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw); | |
212 | DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw); | |
213 | ||
214 | XCopyPlane(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc, | |
215 | srcx, srcy, width, height, dstx, dsty, bitPlane); | |
216 | dmxSync(dmxScreen, FALSE); | |
217 | ||
218 | return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height, | |
219 | dstx, dsty, bitPlane); | |
220 | } | |
221 | ||
222 | /** Render list of points, \a pptInit in \a pDrawable on the back-end | |
223 | * server associated with \a pDrawable's screen. If the offscreen | |
224 | * optimization is enabled, only draw when \a pDrawable is at least | |
225 | * partially visible. */ | |
226 | void | |
227 | dmxPolyPoint(DrawablePtr pDrawable, GCPtr pGC, | |
228 | int mode, int npt, DDXPointPtr pptInit) | |
229 | { | |
230 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
231 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
232 | Drawable draw; | |
233 | ||
234 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
235 | return; | |
236 | ||
237 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
238 | ||
239 | XDrawPoints(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
240 | (XPoint *) pptInit, npt, mode); | |
241 | dmxSync(dmxScreen, FALSE); | |
242 | } | |
243 | ||
244 | /** Render list of connected lines, \a pptInit in \a pDrawable on the | |
245 | * back-end server associated with \a pDrawable's screen. If the | |
246 | * offscreen optimization is enabled, only draw when \a pDrawable is at | |
247 | * least partially visible. */ | |
248 | void | |
249 | dmxPolylines(DrawablePtr pDrawable, GCPtr pGC, | |
250 | int mode, int npt, DDXPointPtr pptInit) | |
251 | { | |
252 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
253 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
254 | Drawable draw; | |
255 | ||
256 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
257 | return; | |
258 | ||
259 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
260 | ||
261 | XDrawLines(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
262 | (XPoint *) pptInit, npt, mode); | |
263 | dmxSync(dmxScreen, FALSE); | |
264 | } | |
265 | ||
266 | /** Render list of disjoint segments, \a pSegs in \a pDrawable on the | |
267 | * back-end server associated with \a pDrawable's screen. If the | |
268 | * offscreen optimization is enabled, only draw when \a pDrawable is at | |
269 | * least partially visible. */ | |
270 | void | |
271 | dmxPolySegment(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pSegs) | |
272 | { | |
273 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
274 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
275 | Drawable draw; | |
276 | ||
277 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
278 | return; | |
279 | ||
280 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
281 | ||
282 | XDrawSegments(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
283 | (XSegment *) pSegs, nseg); | |
284 | dmxSync(dmxScreen, FALSE); | |
285 | } | |
286 | ||
287 | /** Render list of rectangle outlines, \a pRects in \a pDrawable on the | |
288 | * back-end server associated with \a pDrawable's screen. If the | |
289 | * offscreen optimization is enabled, only draw when \a pDrawable is at | |
290 | * least partially visible. */ | |
291 | void | |
292 | dmxPolyRectangle(DrawablePtr pDrawable, GCPtr pGC, | |
293 | int nrects, xRectangle *pRects) | |
294 | { | |
295 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
296 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
297 | Drawable draw; | |
298 | ||
299 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
300 | return; | |
301 | ||
302 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
303 | ||
304 | XDrawRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
305 | (XRectangle *) pRects, nrects); | |
306 | ||
307 | dmxSync(dmxScreen, FALSE); | |
308 | } | |
309 | ||
310 | /** Render list of arc outlines, \a parcs in \a pDrawable on the | |
311 | * back-end server associated with \a pDrawable's screen. If the | |
312 | * offscreen optimization is enabled, only draw when \a pDrawable is at | |
313 | * least partially visible. */ | |
314 | void | |
315 | dmxPolyArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * parcs) | |
316 | { | |
317 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
318 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
319 | Drawable draw; | |
320 | ||
321 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
322 | return; | |
323 | ||
324 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
325 | ||
326 | XDrawArcs(dmxScreen->beDisplay, draw, pGCPriv->gc, (XArc *) parcs, narcs); | |
327 | dmxSync(dmxScreen, FALSE); | |
328 | } | |
329 | ||
330 | /** Render a filled polygons in \a pDrawable on the back-end server | |
331 | * associated with \a pDrawable's screen. If the offscreen | |
332 | * optimization is enabled, only draw when \a pDrawable is at least | |
333 | * partially visible. */ | |
334 | void | |
335 | dmxFillPolygon(DrawablePtr pDrawable, GCPtr pGC, | |
336 | int shape, int mode, int count, DDXPointPtr pPts) | |
337 | { | |
338 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
339 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
340 | Drawable draw; | |
341 | ||
342 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
343 | return; | |
344 | ||
345 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
346 | ||
347 | XFillPolygon(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
348 | (XPoint *) pPts, count, shape, mode); | |
349 | dmxSync(dmxScreen, FALSE); | |
350 | } | |
351 | ||
352 | /** Render list of filled rectangles, \a prectInit in \a pDrawable on | |
353 | * the back-end server associated with \a pDrawable's screen. If the | |
354 | * offscreen optimization is enabled, only draw when \a pDrawable is at | |
355 | * least partially visible. */ | |
356 | void | |
357 | dmxPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, | |
358 | int nrectFill, xRectangle *prectInit) | |
359 | { | |
360 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
361 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
362 | Drawable draw; | |
363 | ||
364 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
365 | return; | |
366 | ||
367 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
368 | ||
369 | XFillRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
370 | (XRectangle *) prectInit, nrectFill); | |
371 | dmxSync(dmxScreen, FALSE); | |
372 | } | |
373 | ||
374 | /** Render list of filled arcs, \a parcs in \a pDrawable on the back-end | |
375 | * server associated with \a pDrawable's screen. If the offscreen | |
376 | * optimization is enabled, only draw when \a pDrawable is at least | |
377 | * partially visible. */ | |
378 | void | |
379 | dmxPolyFillArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * parcs) | |
380 | { | |
381 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
382 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
383 | Drawable draw; | |
384 | ||
385 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
386 | return; | |
387 | ||
388 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
389 | ||
390 | XFillArcs(dmxScreen->beDisplay, draw, pGCPriv->gc, (XArc *) parcs, narcs); | |
391 | dmxSync(dmxScreen, FALSE); | |
392 | } | |
393 | ||
394 | /** Render string of 8-bit \a chars (foreground only) in \a pDrawable on | |
395 | * the back-end server associated with \a pDrawable's screen. If the | |
396 | * offscreen optimization is enabled, only draw when \a pDrawable is at | |
397 | * least partially visible. */ | |
398 | int | |
399 | dmxPolyText8(DrawablePtr pDrawable, GCPtr pGC, | |
400 | int x, int y, int count, char *chars) | |
401 | { | |
402 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
403 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
404 | unsigned long n, i; | |
405 | int w; | |
406 | CharInfoPtr charinfo[255]; | |
407 | Drawable draw; | |
408 | ||
409 | GetGlyphs(pGC->font, (unsigned long) count, (unsigned char *) chars, | |
410 | Linear8Bit, &n, charinfo); | |
411 | ||
412 | /* Calculate text width */ | |
413 | w = 0; | |
414 | for (i = 0; i < n; i++) | |
415 | w += charinfo[i]->metrics.characterWidth; | |
416 | ||
417 | if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) { | |
418 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
419 | ||
420 | XDrawString(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
421 | x, y, chars, count); | |
422 | dmxSync(dmxScreen, FALSE); | |
423 | } | |
424 | ||
425 | return x + w; | |
426 | } | |
427 | ||
428 | /** Render string of 16-bit \a chars (foreground only) in \a pDrawable | |
429 | * on the back-end server associated with \a pDrawable's screen. If | |
430 | * the offscreen optimization is enabled, only draw when \a pDrawable | |
431 | * is at least partially visible. */ | |
432 | int | |
433 | dmxPolyText16(DrawablePtr pDrawable, GCPtr pGC, | |
434 | int x, int y, int count, unsigned short *chars) | |
435 | { | |
436 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
437 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
438 | unsigned long n, i; | |
439 | int w; | |
440 | CharInfoPtr charinfo[255]; | |
441 | Drawable draw; | |
442 | ||
443 | GetGlyphs(pGC->font, (unsigned long) count, (unsigned char *) chars, | |
444 | (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit, | |
445 | &n, charinfo); | |
446 | ||
447 | /* Calculate text width */ | |
448 | w = 0; | |
449 | for (i = 0; i < n; i++) | |
450 | w += charinfo[i]->metrics.characterWidth; | |
451 | ||
452 | if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) { | |
453 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
454 | ||
455 | XDrawString16(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
456 | x, y, (XChar2b *) chars, count); | |
457 | dmxSync(dmxScreen, FALSE); | |
458 | } | |
459 | ||
460 | return x + w; | |
461 | } | |
462 | ||
463 | /** Render string of 8-bit \a chars (both foreground and background) in | |
464 | * \a pDrawable on the back-end server associated with \a pDrawable's | |
465 | * screen. If the offscreen optimization is enabled, only draw when \a | |
466 | * pDrawable is at least partially visible. */ | |
467 | void | |
468 | dmxImageText8(DrawablePtr pDrawable, GCPtr pGC, | |
469 | int x, int y, int count, char *chars) | |
470 | { | |
471 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
472 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
473 | Drawable draw; | |
474 | ||
475 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
476 | return; | |
477 | ||
478 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
479 | ||
480 | XDrawImageString(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
481 | x, y, chars, count); | |
482 | dmxSync(dmxScreen, FALSE); | |
483 | } | |
484 | ||
485 | /** Render string of 16-bit \a chars (both foreground and background) in | |
486 | * \a pDrawable on the back-end server associated with \a pDrawable's | |
487 | * screen. If the offscreen optimization is enabled, only draw when \a | |
488 | * pDrawable is at least partially visible. */ | |
489 | void | |
490 | dmxImageText16(DrawablePtr pDrawable, GCPtr pGC, | |
491 | int x, int y, int count, unsigned short *chars) | |
492 | { | |
493 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
494 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); | |
495 | Drawable draw; | |
496 | ||
497 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) | |
498 | return; | |
499 | ||
500 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
501 | ||
502 | XDrawImageString16(dmxScreen->beDisplay, draw, pGCPriv->gc, | |
503 | x, y, (XChar2b *) chars, count); | |
504 | dmxSync(dmxScreen, FALSE); | |
505 | } | |
506 | ||
507 | /** Image Glyph Blt -- this function should never be called. */ | |
508 | void | |
509 | dmxImageGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, | |
510 | int x, int y, unsigned int nglyph, | |
511 | CharInfoPtr * ppci, pointer pglyphBase) | |
512 | { | |
513 | /* Error -- this should never happen! */ | |
514 | } | |
515 | ||
516 | /** Poly Glyph Blt -- this function should never be called. */ | |
517 | void | |
518 | dmxPolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, | |
519 | int x, int y, unsigned int nglyph, | |
520 | CharInfoPtr * ppci, pointer pglyphBase) | |
521 | { | |
522 | /* Error -- this should never happen! */ | |
523 | } | |
524 | ||
525 | /** Push Pixels -- this function should never be called. */ | |
526 | void | |
527 | dmxPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst, | |
528 | int w, int h, int x, int y) | |
529 | { | |
530 | /* Error -- this should never happen! */ | |
531 | } | |
532 | ||
533 | /********************************************************************** | |
534 | * Miscellaneous drawing commands | |
535 | */ | |
536 | ||
537 | /** When Xinerama is active, the client pixmaps are always obtained from | |
538 | * screen 0. When screen 0 is detached, the pixmaps must be obtained | |
539 | * from any other screen that is not detached. Usually, this is screen | |
540 | * 1. */ | |
541 | static DMXScreenInfo * | |
542 | dmxFindAlternatePixmap(DrawablePtr pDrawable, XID *draw) | |
543 | { | |
544 | #ifdef PANORAMIX | |
545 | PanoramiXRes *pXinPix; | |
546 | int i; | |
547 | DMXScreenInfo *dmxScreen; | |
548 | ||
549 | if (noPanoramiXExtension) | |
550 | return NULL; | |
551 | if (pDrawable->type != DRAWABLE_PIXMAP) | |
552 | return NULL; | |
553 | ||
554 | if (Success != dixLookupResourceByType((pointer *) &pXinPix, | |
555 | pDrawable->id, XRT_PIXMAP, | |
556 | NullClient, DixUnknownAccess)) | |
557 | return NULL; | |
558 | ||
559 | FOR_NSCREENS_FORWARD_SKIP(i) { | |
560 | dmxScreen = &dmxScreens[i]; | |
561 | if (dmxScreen->beDisplay) { | |
562 | PixmapPtr pSrc; | |
563 | dmxPixPrivPtr pSrcPriv; | |
564 | ||
565 | dixLookupResourceByType((pointer *) &pSrc, pXinPix->info[i].id, | |
566 | RT_PIXMAP, NullClient, DixUnknownAccess); | |
567 | pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc); | |
568 | if (pSrcPriv->pixmap) { | |
569 | *draw = pSrcPriv->pixmap; | |
570 | return dmxScreen; | |
571 | } | |
572 | } | |
573 | } | |
574 | #endif | |
575 | return NULL; | |
576 | } | |
577 | ||
578 | /** Get an image from the back-end server associated with \a pDrawable's | |
579 | * screen. If \a pDrawable is a window, it must be viewable to get an | |
580 | * image from it. If it is not viewable, then get the image from the | |
581 | * first ancestor of \a pDrawable that is viewable. If no viewable | |
582 | * ancestor is found, then simply return without getting an image. */ | |
583 | void | |
584 | dmxGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h, | |
585 | unsigned int format, unsigned long planeMask, char *pdstLine) | |
586 | { | |
587 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; | |
588 | XImage *img; | |
589 | Drawable draw; | |
590 | ||
591 | /* Cannot get image from unviewable window */ | |
592 | if (pDrawable->type == DRAWABLE_WINDOW) { | |
593 | WindowPtr pWindow = (WindowPtr) pDrawable; | |
594 | ||
595 | if (!pWindow->viewable) { | |
596 | while (!pWindow->viewable && pWindow->parent) { | |
597 | sx += pWindow->origin.x - wBorderWidth(pWindow); | |
598 | sx += pWindow->origin.y - wBorderWidth(pWindow); | |
599 | pWindow = pWindow->parent; | |
600 | } | |
601 | if (!pWindow->viewable) { | |
602 | return; | |
603 | } | |
604 | } | |
605 | DMX_GCOPS_SET_DRAWABLE(&pWindow->drawable, draw); | |
606 | if (DMX_GCOPS_OFFSCREEN(&pWindow->drawable)) | |
607 | return; | |
608 | } | |
609 | else { | |
610 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); | |
611 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) { | |
612 | /* Try to find the pixmap on a non-detached Xinerama screen */ | |
613 | dmxScreen = dmxFindAlternatePixmap(pDrawable, &draw); | |
614 | if (!dmxScreen) | |
615 | return; | |
616 | } | |
617 | } | |
618 | ||
619 | img = XGetImage(dmxScreen->beDisplay, draw, | |
620 | sx, sy, w, h, planeMask, format); | |
621 | if (img) { | |
622 | int len = img->bytes_per_line * img->height; | |
623 | ||
624 | memmove(pdstLine, img->data, len); | |
625 | XDestroyImage(img); | |
626 | } | |
627 | ||
628 | dmxSync(dmxScreen, FALSE); | |
629 | } | |
630 | ||
631 | /** Get Spans -- this function should never be called. */ | |
632 | void | |
633 | dmxGetSpans(DrawablePtr pDrawable, int wMax, | |
634 | DDXPointPtr ppt, int *pwidth, int nspans, char *pdstStart) | |
635 | { | |
636 | /* Error -- this should never happen! */ | |
637 | } |