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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.160 by sf-exg, Thu Aug 11 08:37:17 2011 UTC vs.
Revision 1.202 by sf-exg, Sat Feb 25 22:20:47 2012 UTC

20 * You should have received a copy of the GNU General Public License 20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software 21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *---------------------------------------------------------------------*/ 23 *---------------------------------------------------------------------*/
24 24
25#include <cmath> 25#include <math.h>
26#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
28 28
29#if XRENDER 29#if XRENDER
30# include <X11/extensions/Xrender.h> 30# include <X11/extensions/Xrender.h>
32 32
33#ifndef FilterConvolution 33#ifndef FilterConvolution
34#define FilterConvolution "convolution" 34#define FilterConvolution "convolution"
35#endif 35#endif
36 36
37/* 37#ifndef RepeatPad
38 * Pixmap geometry string interpretation : 38#define RepeatPad True
39 * Each geometry string contains zero or one scale/position 39#endif
40 * adjustment and may optionally be followed by a colon and one or more
41 * colon-delimited pixmap operations.
42 * The following table shows the valid geometry strings and their
43 * effects on the background image :
44 *
45 * WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46 * W and H are percentages of the terminal window size.
47 * X and Y are also percentages; e.g., +50+50 centers
48 * the image in the window.
49 *
50 * Pixmap Operations : (should be prepended by a colon)
51 */
52 40
53#ifdef HAVE_BG_PIXMAP 41#ifdef HAVE_BG_PIXMAP
42# if XRENDER
43static Picture
44create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
45{
46 Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
47
48 XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
49 XRenderPictureAttributes pa;
50 pa.repeat = True;
51 pa.component_alpha = component_alpha;
52 Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
53
54 XFreePixmap (dpy, pixmap);
55
56 return mask;
57}
58# endif
59
54void 60void
55rxvt_term::bg_destroy () 61rxvt_term::bg_destroy ()
56{ 62{
57#ifdef HAVE_AFTERIMAGE
58 if (original_asim)
59 safe_asimage_destroy (original_asim);
60 if (asv)
61 destroy_asvisual (asv, 0);
62 if (asimman)
63 destroy_image_manager (asimman, 0);
64#endif
65
66#ifdef HAVE_PIXBUF 63#ifdef HAVE_PIXBUF
67 if (pixbuf) 64 if (pixbuf)
68 g_object_unref (pixbuf); 65 g_object_unref (pixbuf);
69#endif 66#endif
70 67
123 120
124 return false; 121 return false;
125} 122}
126 123
127# ifdef BG_IMAGE_FROM_FILE 124# ifdef BG_IMAGE_FROM_FILE
128static inline bool
129check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130{
131 if (geom_flags & flag)
132 {
133 if (new_value > 1000)
134 new_value = 1000;
135 if (new_value != scale)
136 {
137 scale = new_value;
138 return true;
139 }
140 }
141 return false;
142}
143
144static inline bool
145check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146{
147 if (geom_flags & flag)
148 {
149 if (new_value < -100)
150 new_value = -100;
151 else if (new_value > 200)
152 new_value = 200;
153 if (new_value != align)
154 {
155 align = new_value;
156 return true;
157 }
158 }
159 return false;
160}
161
162static inline int 125static inline int
163make_align_position (int align, int window_size, int image_size) 126make_align_position (int align, int window_size, int image_size)
164{ 127{
165 int diff = window_size - image_size; 128 int diff = window_size - image_size;
166 int smaller = min (image_size, window_size); 129 int smaller = min (image_size, window_size);
167 130
168 if (align >= 0 && align <= 100) 131 if (align >= 0 && align <= 100)
169 return diff * align / 100; 132 return diff * align / 100;
170 else if (align > 100 && align <= 200) 133 else if (align > 100 && align <= 200)
171 return ((align - 100) * smaller / 100) + window_size - smaller; 134 return (align - 100) * smaller / 100 + window_size - smaller;
172 else if (align >= -100 && align < 0) 135 else if (align >= -100 && align < 0)
173 return ((align + 100) * smaller / 100) - image_size; 136 return (align + 100) * smaller / 100 - image_size;
174 return 0; 137 return 0;
175} 138}
176 139
177static inline int 140static inline int
178make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 141make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
185 src_pos = -pos; 148 src_pos = -pos;
186 dst_pos = 0; 149 dst_pos = 0;
187 dst_size += pos; 150 dst_size += pos;
188 } 151 }
189 152
190 if (dst_pos + dst_size > target_size)
191 dst_size = target_size - dst_pos; 153 min_it (dst_size, target_size - dst_pos);
192 return src_pos; 154 return src_pos;
193} 155}
194 156
195bool 157bool
196rxvt_term::bg_set_geometry (const char *geom, bool update) 158rxvt_term::bg_set_geometry (const char *geom, bool update)
197{ 159{
198 bool changed = false; 160 bool changed = false;
199 int geom_flags = 0; 161 int geom_flags = 0;
200 int x = 0, y = 0; 162 int x = h_align;
163 int y = v_align;
201 unsigned int w = 0, h = 0; 164 unsigned int w = h_scale;
202 unsigned int n; 165 unsigned int h = v_scale;
203 unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS)); 166 unsigned long new_flags = 0;
204 const char *ops;
205 167
206 if (geom == NULL) 168 if (geom == NULL)
207 return false; 169 return false;
208 170
209 char str[256]; 171 if (geom[0])
210
211 ops = strchr (geom, ':');
212 if (ops == NULL)
213 n = strlen (geom);
214 else
215 n = ops - geom;
216
217 if (n >= sizeof (str))
218 return false;
219
220 memcpy (str, geom, n);
221 str[n] = '\0';
222 rxvt_strtrim (str);
223
224 if (str[0])
225 { 172 {
226 /* we have geometry string - let's handle it prior to applying ops */ 173 char **arr = rxvt_strsplit (':', geom);
174
175 for (int i = 0; arr[i]; i++)
176 {
177 if (!strcasecmp (arr[i], "style=tiled"))
178 {
179 new_flags = BG_TILE;
180 w = h = noScale;
181 x = y = 0;
182 geom_flags = WidthValue|HeightValue|XValue|YValue;
183 }
184 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
185 {
186 new_flags = BG_KEEP_ASPECT;
187 w = h = windowScale;
188 x = y = centerAlign;
189 geom_flags = WidthValue|HeightValue|XValue|YValue;
190 }
191 else if (!strcasecmp (arr[i], "style=stretched"))
192 {
193 new_flags = 0;
194 w = h = windowScale;
195 geom_flags = WidthValue|HeightValue;
196 }
197 else if (!strcasecmp (arr[i], "style=centered"))
198 {
199 new_flags = 0;
200 w = h = noScale;
201 x = y = centerAlign;
202 geom_flags = WidthValue|HeightValue|XValue|YValue;
203 }
204 else if (!strcasecmp (arr[i], "style=root-tiled"))
205 {
206 new_flags = BG_TILE|BG_ROOT_ALIGN;
207 w = h = noScale;
208 geom_flags = WidthValue|HeightValue;
209 }
210 else if (!strcasecmp (arr[i], "op=tile"))
211 new_flags |= BG_TILE;
212 else if (!strcasecmp (arr[i], "op=keep-aspect"))
213 new_flags |= BG_KEEP_ASPECT;
214 else if (!strcasecmp (arr[i], "op=root-align"))
215 new_flags |= BG_ROOT_ALIGN;
216
217 // deprecated
218 else if (!strcasecmp (arr[i], "tile"))
219 {
220 new_flags |= BG_TILE;
221 w = h = noScale;
222 geom_flags |= WidthValue|HeightValue;
223 }
224 else if (!strcasecmp (arr[i], "propscale"))
225 {
226 new_flags |= BG_KEEP_ASPECT;
227 w = h = windowScale;
228 geom_flags |= WidthValue|HeightValue;
229 }
230 else if (!strcasecmp (arr[i], "hscale"))
231 {
232 new_flags |= BG_TILE;
233 w = windowScale;
234 h = noScale;
235 geom_flags |= WidthValue|HeightValue;
236 }
237 else if (!strcasecmp (arr[i], "vscale"))
238 {
239 new_flags |= BG_TILE;
240 h = windowScale;
241 w = noScale;
242 geom_flags |= WidthValue|HeightValue;
243 }
244 else if (!strcasecmp (arr[i], "scale"))
245 {
246 w = h = windowScale;
247 geom_flags |= WidthValue|HeightValue;
248 }
249 else if (!strcasecmp (arr[i], "auto"))
250 {
251 w = h = windowScale;
252 x = y = centerAlign;
253 geom_flags |= WidthValue|HeightValue|XValue|YValue;
254 }
255 else if (!strcasecmp (arr[i], "root"))
256 {
257 new_flags |= BG_TILE|BG_ROOT_ALIGN;
258 w = h = noScale;
259 geom_flags |= WidthValue|HeightValue;
260 }
261
262 else
227 geom_flags = XParseGeometry (str, &x, &y, &w, &h); 263 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
228 } /* done parsing geometry string */ 264 } /* done parsing ops */
265
266 rxvt_free_strsplit (arr);
267 }
268
269 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
229 270
230 if (!update) 271 if (!update)
231 { 272 {
232 if (!(geom_flags & XValue)) 273 if (!(geom_flags & XValue))
233 x = y = defaultAlign; 274 x = y = defaultAlign;
238 w = h = defaultScale; 279 w = h = defaultScale;
239 else if (!(geom_flags & HeightValue)) 280 else if (!(geom_flags & HeightValue))
240 h = w; 281 h = w;
241 else if (!(geom_flags & WidthValue)) 282 else if (!(geom_flags & WidthValue))
242 w = h; 283 w = h;
243
244 geom_flags |= WidthValue|HeightValue|XValue|YValue;
245 }
246
247 if (ops)
248 { 284 }
249 char **arr = rxvt_strsplit (':', ops + 1);
250 285
251 for (int i = 0; arr[i]; i++) 286 min_it (w, 1000);
252 { 287 min_it (h, 1000);
253 if (!strcasecmp (arr[i], "style=tiled")) 288 clamp_it (x, -100, 200);
254 { 289 clamp_it (y, -100, 200);
255 new_flags = BG_TILE;
256 w = h = noScale;
257 x = y = 0;
258 geom_flags = WidthValue|HeightValue|XValue|YValue;
259 }
260 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
261 {
262 new_flags = BG_PROP_SCALE;
263 x = y = centerAlign;
264 geom_flags = XValue|YValue;
265 }
266 else if (!strcasecmp (arr[i], "style=stretched"))
267 {
268 new_flags = 0;
269 w = h = windowScale;
270 geom_flags = WidthValue|HeightValue;
271 }
272 else if (!strcasecmp (arr[i], "style=centered"))
273 {
274 new_flags = 0;
275 w = h = noScale;
276 x = y = centerAlign;
277 geom_flags = WidthValue|HeightValue|XValue|YValue;
278 }
279 else if (!strcasecmp (arr[i], "style=root-tiled"))
280 {
281 new_flags = BG_TILE|BG_ROOT_ALIGN;
282 w = h = noScale;
283 geom_flags = WidthValue|HeightValue;
284 }
285 else if (!strcasecmp (arr[i], "op=tile"))
286 new_flags |= BG_TILE;
287 else if (!strcasecmp (arr[i], "op=pscale"))
288 new_flags |= BG_PROP_SCALE;
289 else if (!strcasecmp (arr[i], "op=root"))
290 new_flags |= BG_ROOT_ALIGN;
291 290
292 // deprecated 291 if (bg_flags != new_flags
293 else if (!strcasecmp (arr[i], "tile")) 292 || h_scale != w
294 { 293 || v_scale != h
295 new_flags |= BG_TILE; 294 || h_align != x
296 w = h = noScale; 295 || v_align != y)
297 geom_flags |= WidthValue|HeightValue;
298 }
299 else if (!strcasecmp (arr[i], "propscale"))
300 {
301 new_flags |= BG_PROP_SCALE;
302 }
303 else if (!strcasecmp (arr[i], "scale"))
304 {
305 if (h == 0) h = windowScale;
306 if (w == 0) w = windowScale;
307
308 geom_flags |= WidthValue|HeightValue;
309 }
310 else if (!strcasecmp (arr[i], "root"))
311 {
312 new_flags |= BG_TILE|BG_ROOT_ALIGN;
313 w = h = noScale;
314 geom_flags |= WidthValue|HeightValue;
315 }
316 } /* done parsing ops */
317
318 rxvt_free_strsplit (arr);
319 }
320
321 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
322 if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
323 if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
324 if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
325
326 if (new_flags != bg_flags)
327 { 296 {
328 bg_flags = new_flags; 297 bg_flags = new_flags;
298 h_scale = w;
299 v_scale = h;
300 h_align = x;
301 v_align = y;
329 changed = true; 302 changed = true;
330 } 303 }
331 304
332 return changed; 305 return changed;
333} 306}
336rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 309rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
337{ 310{
338 int target_width = szHint.width; 311 int target_width = szHint.width;
339 int target_height = szHint.height; 312 int target_height = szHint.height;
340 313
314 w = h_scale * target_width / 100;
315 h = v_scale * target_height / 100;
316
341 if (bg_flags & BG_PROP_SCALE) 317 if (bg_flags & BG_KEEP_ASPECT)
342 { 318 {
343 float scale = (float)target_width / image_width; 319 float scale = (float)w / image_width;
344 min_it (scale, (float)target_height / image_height); 320 min_it (scale, (float)h / image_height);
345 w = image_width * scale + 0.5; 321 w = image_width * scale + 0.5;
346 h = image_height * scale + 0.5; 322 h = image_height * scale + 0.5;
347 } 323 }
348 else
349 {
350 w = h_scale * target_width / 100;
351 h = v_scale * target_height / 100;
352 }
353 324
354 if (!w) w = image_width; 325 if (!w) w = image_width;
355 if (!h) h = image_height; 326 if (!h) h = image_height;
356 327
357 if (bg_flags & BG_ROOT_ALIGN) 328 if (bg_flags & BG_ROOT_ALIGN)
365 y = make_align_position (v_align, target_height, h); 336 y = make_align_position (v_align, target_height, h);
366 } 337 }
367 338
368 bg_flags &= ~BG_IS_SIZE_SENSITIVE; 339 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
369 if (!(bg_flags & BG_TILE) 340 if (!(bg_flags & BG_TILE)
370 || (bg_flags & BG_PROP_SCALE) || h_scale || v_scale 341 || h_scale || v_scale
371 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align)) 342 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
372 || w > target_width || h > target_height) 343 || w > target_width || h > target_height)
373 bg_flags |= BG_IS_SIZE_SENSITIVE; 344 bg_flags |= BG_IS_SIZE_SENSITIVE;
374} 345}
375
376# ifdef HAVE_AFTERIMAGE
377bool
378rxvt_term::render_image (unsigned long tr_flags)
379{
380 init_asv ();
381
382 ASImage *background = NULL;
383 ARGB32 background_tint = TINT_LEAVE_SAME;
384
385# ifdef ENABLE_TRANSPARENCY
386 if (tr_flags)
387 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
388
389 if (tr_flags & BG_NEEDS_TINT)
390 {
391 ShadingInfo as_shade;
392 as_shade.shading = shade;
393
394 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
395 if (bg_flags & BG_TINT_SET)
396 tint.get (c);
397 as_shade.tintColor.red = c.r;
398 as_shade.tintColor.green = c.g;
399 as_shade.tintColor.blue = c.b;
400
401 background_tint = shading2tint32 (&as_shade);
402 }
403
404 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
405 {
406 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
407 (original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
408 100, ASIMAGE_QUALITY_DEFAULT);
409 if (tmp)
410 {
411 destroy_asimage (&background);
412 background = tmp;
413 }
414 }
415# endif
416
417 ASImage *result = 0;
418
419 int target_width = szHint.width;
420 int target_height = szHint.height;
421 int new_pmap_width = target_width;
422 int new_pmap_height = target_height;
423
424 int x = 0;
425 int y = 0;
426 int w = 0;
427 int h = 0;
428
429 if (original_asim)
430 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
431
432 if (!original_asim
433 || (!(bg_flags & BG_ROOT_ALIGN)
434 && (x >= target_width
435 || y >= target_height
436 || (x + w <= 0)
437 || (y + h <= 0))))
438 {
439 if (background)
440 {
441 new_pmap_width = background->width;
442 new_pmap_height = background->height;
443 result = background;
444
445 if (background_tint != TINT_LEAVE_SAME)
446 {
447 ASImage *tmp = tile_asimage (asv, background, 0, 0,
448 target_width, target_height, background_tint,
449 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
450 if (tmp)
451 result = tmp;
452 }
453 }
454 else
455 new_pmap_width = new_pmap_height = 0;
456 }
457 else
458 {
459 result = original_asim;
460
461 if ((w != original_asim->width)
462 || (h != original_asim->height))
463 {
464 result = scale_asimage (asv, original_asim,
465 w, h,
466 background ? ASA_ASImage : ASA_XImage,
467 100, ASIMAGE_QUALITY_DEFAULT);
468 }
469
470 if (background == NULL)
471 {
472 if (bg_flags & BG_TILE)
473 {
474 /* if tiling - pixmap has to be sized exactly as the image,
475 but there is no need to make it bigger than the window! */
476 new_pmap_width = min (result->width, target_width);
477 new_pmap_height = min (result->height, target_height);
478
479 /* we also need to tile our image in both directions */
480 ASImage *tmp = tile_asimage (asv, result,
481 (int)result->width - x,
482 (int)result->height - y,
483 new_pmap_width,
484 new_pmap_height,
485 TINT_LEAVE_SAME, ASA_XImage,
486 100, ASIMAGE_QUALITY_DEFAULT);
487 if (tmp)
488 {
489 if (result != original_asim)
490 destroy_asimage (&result);
491
492 result = tmp;
493 }
494 }
495 }
496 else
497 {
498 /* if blending background and image - pixmap has to be sized same as target window */
499 ASImageLayer *layers = create_image_layers (2);
500
501 layers[0].im = background;
502 layers[0].clip_width = target_width;
503 layers[0].clip_height = target_height;
504 layers[0].tint = background_tint;
505 layers[1].im = result;
506
507 if (bg_flags & BG_TILE)
508 {
509 /* tile horizontally */
510 while (x > 0) x -= (int)result->width;
511 layers[1].dst_x = x;
512 layers[1].clip_width = result->width+target_width;
513 }
514 else
515 {
516 /* clip horizontally */
517 layers[1].dst_x = x;
518 layers[1].clip_width = result->width;
519 }
520
521 if (bg_flags & BG_TILE)
522 {
523 while (y > 0) y -= (int)result->height;
524 layers[1].dst_y = y;
525 layers[1].clip_height = result->height + target_height;
526 }
527 else
528 {
529 layers[1].dst_y = y;
530 layers[1].clip_height = result->height;
531 }
532
533 if (rs[Rs_blendtype])
534 {
535 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
536 if (layers[1].merge_scanlines == NULL)
537 layers[1].merge_scanlines = alphablend_scanlines;
538 }
539
540 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
541 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
542
543 if (tmp)
544 {
545 if (result != original_asim)
546 destroy_asimage (&result);
547
548 result = tmp;
549 }
550
551 free (layers);
552 }
553 }
554
555 bool ret = false;
556
557 if (result)
558 {
559 XGCValues gcv;
560 GC gc;
561
562 /* create Pixmap */
563 if (bg_pixmap == None
564 || bg_pmap_width != new_pmap_width
565 || bg_pmap_height != new_pmap_height)
566 {
567 if (bg_pixmap)
568 XFreePixmap (dpy, bg_pixmap);
569 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
570 bg_pmap_width = new_pmap_width;
571 bg_pmap_height = new_pmap_height;
572 }
573 /* fill with background color (if result's not completely overlapping it) */
574 gcv.foreground = pix_colors[Color_bg];
575 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
576
577 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
578 int dst_width = result->width, dst_height = result->height;
579 if (background == NULL)
580 {
581 if (!(bg_flags & BG_TILE))
582 {
583 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
584 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
585 }
586
587 if (dst_x > 0 || dst_y > 0
588 || dst_x + dst_width < new_pmap_width
589 || dst_y + dst_height < new_pmap_height)
590 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
591 }
592
593 /* put result on pixmap */
594 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
595 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
596
597 if (result != background && result != original_asim)
598 destroy_asimage (&result);
599
600 XFreeGC (dpy, gc);
601
602 ret = true;
603 }
604
605 if (background)
606 destroy_asimage (&background);
607
608 return ret;
609}
610# endif /* HAVE_AFTERIMAGE */
611 346
612# ifdef HAVE_PIXBUF 347# ifdef HAVE_PIXBUF
613bool 348bool
614rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc, 349rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
615 int src_x, int src_y, int dst_x, int dst_y, 350 int src_x, int src_y, int dst_x, int dst_y,
692 XDestroyImage (ximage); 427 XDestroyImage (ximage);
693 return true; 428 return true;
694} 429}
695 430
696bool 431bool
697rxvt_term::render_image (unsigned long tr_flags) 432rxvt_term::render_image (bool transparent)
698{ 433{
699 if (!pixbuf) 434 if (!pixbuf)
700 return false; 435 return false;
701 436
702 if (tr_flags 437 if (transparent
703 && !(bg_flags & BG_HAS_RENDER)) 438 && !(bg_flags & BG_HAS_RENDER))
704 return false; 439 return false;
705 440
706 GdkPixbuf *result; 441 GdkPixbuf *result;
707 442
721 get_image_geometry (image_width, image_height, w, h, x, y); 456 get_image_geometry (image_width, image_height, w, h, x, y);
722 457
723 if (!(bg_flags & BG_ROOT_ALIGN) 458 if (!(bg_flags & BG_ROOT_ALIGN)
724 && (x >= target_width 459 && (x >= target_width
725 || y >= target_height 460 || y >= target_height
726 || (x + w <= 0) 461 || x + w <= 0
727 || (y + h <= 0))) 462 || y + h <= 0))
728 return false; 463 return false;
729 464
730 result = pixbuf; 465 result = pixbuf;
731 466
732 if ((w != image_width) 467 if (w != image_width
733 || (h != image_height)) 468 || h != image_height)
734 { 469 {
735 result = gdk_pixbuf_scale_simple (pixbuf, 470 result = gdk_pixbuf_scale_simple (pixbuf,
736 w, h, 471 w, h,
737 GDK_INTERP_BILINEAR); 472 GDK_INTERP_BILINEAR);
738 } 473 }
747 Pixmap root_pmap; 482 Pixmap root_pmap;
748 483
749 image_width = gdk_pixbuf_get_width (result); 484 image_width = gdk_pixbuf_get_width (result);
750 image_height = gdk_pixbuf_get_height (result); 485 image_height = gdk_pixbuf_get_height (result);
751 486
752 if (tr_flags) 487 if (transparent)
753 { 488 {
754 root_pmap = bg_pixmap; 489 root_pmap = bg_pixmap;
755 bg_pixmap = None; 490 bg_pixmap = None;
756 } 491 }
757 else 492 else
815 dst_x, dst_y, 550 dst_x, dst_y,
816 dst_width, dst_height); 551 dst_width, dst_height);
817 } 552 }
818 553
819#if XRENDER 554#if XRENDER
820 if (tr_flags) 555 if (transparent)
821 { 556 {
822 XRenderPictureAttributes pa;
823
824 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 557 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
558
825 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 559 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
826 560
827 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
828 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 561 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
829 562
830 pa.repeat = True; 563 Picture mask = create_xrender_mask (dpy, vt, False, False);
831 Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
832 XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
833 Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
834 XFreePixmap (dpy, mask_pmap);
835 564
836 XRenderColor mask_c; 565 XRenderColor mask_c;
837 566
838 mask_c.alpha = 0x8000; 567 mask_c.alpha = 0x8000;
839 mask_c.red = 0; 568 mask_c.red =
840 mask_c.green = 0; 569 mask_c.green =
841 mask_c.blue = 0; 570 mask_c.blue = 0;
842 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 571 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
572
843 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height); 573 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
844 574
845 XRenderFreePicture (dpy, src); 575 XRenderFreePicture (dpy, src);
846 XRenderFreePicture (dpy, dst); 576 XRenderFreePicture (dpy, dst);
847 XRenderFreePicture (dpy, mask); 577 XRenderFreePicture (dpy, mask);
854 } 584 }
855 585
856 if (result != pixbuf) 586 if (result != pixbuf)
857 g_object_unref (result); 587 g_object_unref (result);
858 588
859 if (tr_flags) 589 if (transparent)
860 XFreePixmap (dpy, root_pmap); 590 XFreePixmap (dpy, root_pmap);
861 591
862 return ret; 592 return ret;
863} 593}
864# endif /* HAVE_PIXBUF */ 594# endif /* HAVE_PIXBUF */
867rxvt_term::bg_set_file (const char *file) 597rxvt_term::bg_set_file (const char *file)
868{ 598{
869 if (!file || !*file) 599 if (!file || !*file)
870 return false; 600 return false;
871 601
602 bool ret = false;
872 if (const char *p = strchr (file, ';')) 603 const char *p = strchr (file, ';');
604
605 if (p)
873 { 606 {
874 size_t len = p - file; 607 size_t len = p - file;
875 char *f = rxvt_temp_buf<char> (len + 1); 608 char *f = rxvt_temp_buf<char> (len + 1);
876 memcpy (f, file, len); 609 memcpy (f, file, len);
877 f[len] = '\0'; 610 f[len] = '\0';
878 file = f; 611 file = f;
879 } 612 }
880 613
881# ifdef HAVE_AFTERIMAGE
882 if (!asimman)
883 asimman = create_generic_imageman (rs[Rs_path]);
884 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
885 if (image)
886 {
887 if (original_asim)
888 safe_asimage_destroy (original_asim);
889 original_asim = image;
890 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
891 return true;
892 }
893# endif
894
895# ifdef HAVE_PIXBUF 614# ifdef HAVE_PIXBUF
896 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 615 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
897 if (image) 616 if (image)
898 { 617 {
899 if (pixbuf) 618 if (pixbuf)
900 g_object_unref (pixbuf); 619 g_object_unref (pixbuf);
901 pixbuf = image; 620 pixbuf = image;
902 bg_flags |= BG_IS_FROM_FILE; 621 bg_flags |= BG_IS_FROM_FILE;
903 return true; 622 ret = true;
904 } 623 }
905# endif 624# endif
906 625
626 if (ret)
627 {
628 if (p)
629 bg_set_geometry (p + 1);
630 else
631 bg_set_default_geometry ();
632 }
633
907 return false; 634 return ret;
908} 635}
909 636
910# endif /* BG_IMAGE_FROM_FILE */ 637# endif /* BG_IMAGE_FROM_FILE */
911 638
912# ifdef ENABLE_TRANSPARENCY 639# ifdef ENABLE_TRANSPARENCY
948 { 675 {
949 changed = true; 676 changed = true;
950 v_blurRadius = vr; 677 v_blurRadius = vr;
951 } 678 }
952 679
953 if (v_blurRadius == 0 && h_blurRadius == 0) 680 if (h_blurRadius == 0 || v_blurRadius == 0)
954 bg_flags &= ~BG_NEEDS_BLUR; 681 bg_flags &= ~BG_NEEDS_BLUR;
955 else 682 else
956 bg_flags |= BG_NEEDS_BLUR; 683 bg_flags |= BG_NEEDS_BLUR;
957 684
958 return changed; 685 return changed;
959} 686}
960 687
961void 688void
962rxvt_term::set_tint_shade_flags () 689rxvt_term::set_tint_shade_flags ()
963{ 690{
964 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 691 rgba c;
965 bool has_shade = shade != 100; 692 bool has_shade = shade != 100;
966 693
967 bg_flags &= ~BG_TINT_FLAGS; 694 bg_flags &= ~BG_TINT_FLAGS;
968 695
969 if (bg_flags & BG_TINT_SET) 696 if (bg_flags & BG_TINT_SET)
995} 722}
996 723
997bool 724bool
998rxvt_term::bg_set_shade (const char *shade_str) 725rxvt_term::bg_set_shade (const char *shade_str)
999{ 726{
1000 int new_shade = (shade_str) ? atoi (shade_str) : 100; 727 int new_shade = atoi (shade_str);
1001 728
1002 clamp_it (new_shade, -100, 200); 729 clamp_it (new_shade, -100, 200);
1003 if (new_shade < 0) 730 if (new_shade < 0)
1004 new_shade = 200 - (100 + new_shade); 731 new_shade = 200 - (100 + new_shade);
1005 732
1035 params[i+2] = XDoubleToFixed (kernel[i] / sum); 762 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1036} 763}
1037#endif 764#endif
1038 765
1039bool 766bool
1040rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 767rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1041{ 768{
1042 bool ret = false; 769 bool ret = false;
1043#if XRENDER 770#if XRENDER
771 if (!(bg_flags & BG_HAS_RENDER_CONV))
772 return false;
773
1044 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 774 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1045 double *kernel = (double *)malloc (size * sizeof (double)); 775 double *kernel = (double *)malloc (size * sizeof (double));
1046 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 776 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1047 777
1048 XRenderPictureAttributes pa; 778 XRenderPictureAttributes pa;
1049 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 779 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1050 780
781 pa.repeat = RepeatPad;
1051 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 782 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
783 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1052 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 784 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
785 XFreePixmap (dpy, tmp);
1053 786
1054 if (kernel && params) 787 if (kernel && params)
1055 { 788 {
1056 if (h_blurRadius)
1057 {
1058 size = h_blurRadius * 2 + 1; 789 size = h_blurRadius * 2 + 1;
1059 get_gaussian_kernel (h_blurRadius, size, kernel, params); 790 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1060 791
1061 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 792 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1062 XRenderComposite (dpy, 793 XRenderComposite (dpy,
1063 PictOpSrc, 794 PictOpSrc,
1064 src, 795 src,
1065 None, 796 None,
1066 dst, 797 dst,
1067 0, 0, 798 0, 0,
1068 0, 0, 799 0, 0,
1069 0, 0, 800 0, 0,
1070 width, height); 801 width, height);
1071 }
1072 802
1073 if (v_blurRadius) 803 ::swap (src, dst);
1074 { 804
1075 size = v_blurRadius * 2 + 1; 805 size = v_blurRadius * 2 + 1;
1076 get_gaussian_kernel (v_blurRadius, size, kernel, params); 806 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1077 ::swap (params[0], params[1]); 807 ::swap (params[0], params[1]);
1078 808
1079 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 809 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1080 XRenderComposite (dpy, 810 XRenderComposite (dpy,
1081 PictOpSrc, 811 PictOpSrc,
1082 src, 812 src,
1083 None, 813 None,
1084 dst, 814 dst,
1085 0, 0, 815 0, 0,
1086 0, 0, 816 0, 0,
1087 0, 0, 817 0, 0,
1088 width, height); 818 width, height);
1089 }
1090 819
1091 ret = true; 820 ret = true;
1092 } 821 }
1093 822
1094 free (kernel); 823 free (kernel);
1121 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 850 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1122 ret = true; 851 ret = true;
1123 XFreeGC (dpy, gc); 852 XFreeGC (dpy, gc);
1124 } 853 }
1125 } 854 }
1126 else
1127 {
1128# if XRENDER 855# if XRENDER
856 else if (bg_flags & BG_HAS_RENDER)
857 {
1129 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 858 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1130 859
1131 if (bg_flags & BG_TINT_SET) 860 if (bg_flags & BG_TINT_SET)
1132 tint.get (c); 861 tint.get (c);
1133 862
1142 c.r = c.r * (200 - shade) / 100; 871 c.r = c.r * (200 - shade) / 100;
1143 c.g = c.g * (200 - shade) / 100; 872 c.g = c.g * (200 - shade) / 100;
1144 c.b = c.b * (200 - shade) / 100; 873 c.b = c.b * (200 - shade) / 100;
1145 } 874 }
1146 875
1147 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1148 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 876 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1149 XRenderPictureAttributes pa;
1150 877
1151 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 878 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1152 879
1153 pa.repeat = True; 880 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1154 881
1155 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 882 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1156 Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1157 XFreePixmap (dpy, overlay_pmap);
1158
1159 pa.component_alpha = True;
1160 Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1161 Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1162 XFreePixmap (dpy, mask_pmap);
1163 883
1164 XRenderColor mask_c; 884 XRenderColor mask_c;
1165 885
1166 mask_c.alpha = 0xffff; 886 mask_c.alpha = 0xffff;
1167 mask_c.red = 887 mask_c.red =
1172 mask_c.alpha = 0; 892 mask_c.alpha = 0;
1173 mask_c.red = 0xffff - c.r; 893 mask_c.red = 0xffff - c.r;
1174 mask_c.green = 0xffff - c.g; 894 mask_c.green = 0xffff - c.g;
1175 mask_c.blue = 0xffff - c.b; 895 mask_c.blue = 0xffff - c.b;
1176 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1); 896 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
897
1177 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height); 898 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178 899
1179 if (shade > 100) 900 if (shade > 100)
1180 { 901 {
1181 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1182 mask_c.alpha = 0; 902 mask_c.alpha = 0;
903 mask_c.red =
904 mask_c.green =
905 mask_c.blue = 0xffff * (shade - 100) / 100;
1183 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 906 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1184 907
1185 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); 908 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1186 } 909 }
1187 910
1188 ret = true; 911 ret = true;
1189 912
1190 XRenderFreePicture (dpy, mask_pic); 913 XRenderFreePicture (dpy, mask_pic);
1191 XRenderFreePicture (dpy, overlay_pic); 914 XRenderFreePicture (dpy, overlay_pic);
1192 XRenderFreePicture (dpy, back_pic); 915 XRenderFreePicture (dpy, back_pic);
916 }
1193# endif 917# endif
1194 }
1195 918
1196 return ret; 919 return ret;
1197} 920}
1198 921
1199/* 922/*
1200 * Builds a pixmap of the same size as the terminal window that contains 923 * Builds a pixmap of the same size as the terminal window that contains
1201 * the tiled portion of the root pixmap that is supposed to be covered by 924 * the tiled portion of the root pixmap that is supposed to be covered by
1202 * our window. 925 * our window.
1203 */ 926 */
1204unsigned long 927bool
1205rxvt_term::make_transparency_pixmap () 928rxvt_term::make_transparency_pixmap ()
1206{ 929{
1207 unsigned long result = 0; 930 bool ret = false;
1208 931
1209 /* root dimensions may change from call to call - but Display structure should 932 /* root dimensions may change from call to call - but Display structure should
1210 * be always up-to-date, so let's use it : 933 * be always up-to-date, so let's use it :
1211 */ 934 */
1212 int screen = display->screen; 935 int screen = display->screen;
1250#if XRENDER 973#if XRENDER
1251 if (bg_flags & BG_HAS_RENDER) 974 if (bg_flags & BG_HAS_RENDER)
1252 { 975 {
1253 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth); 976 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1254 977
1255 XRenderPictureAttributes pa;
1256
1257 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 978 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1258 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 979 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1259 980
1260 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 981 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1261 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 982 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1262 983
1263 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 984 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1264 985
1265 XRenderFreePicture (dpy, src); 986 XRenderFreePicture (dpy, src);
1266 XRenderFreePicture (dpy, dst); 987 XRenderFreePicture (dpy, dst);
1283 bg_pmap_width = window_width; 1004 bg_pmap_width = window_width;
1284 bg_pmap_height = window_height; 1005 bg_pmap_height = window_height;
1285 } 1006 }
1286 1007
1287 /* straightforward pixmap copy */ 1008 /* straightforward pixmap copy */
1288 while (sx < 0) sx += root_width; 1009 while (sx < 0) sx += root_pmap_width;
1289 while (sy < 0) sy += root_height; 1010 while (sy < 0) sy += root_pmap_height;
1290 1011
1291 gcv.tile = recoded_root_pmap; 1012 gcv.tile = recoded_root_pmap;
1292 gcv.fill_style = FillTiled; 1013 gcv.fill_style = FillTiled;
1293 gcv.ts_x_origin = -sx; 1014 gcv.ts_x_origin = -sx;
1294 gcv.ts_y_origin = -sy; 1015 gcv.ts_y_origin = -sy;
1295 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1016 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1296 1017
1297 if (gc) 1018 if (gc)
1298 { 1019 {
1299 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1020 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1300 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1021 ret = true;
1022 unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1023
1024 if (!(bg_flags & BG_CLIENT_RENDER))
1025 {
1026 if (bg_flags & BG_NEEDS_BLUR)
1027 {
1028 if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1029 tr_flags &= ~BG_NEEDS_BLUR;
1030 }
1031 if (bg_flags & BG_NEEDS_TINT)
1032 {
1033 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1034 tr_flags &= ~BG_NEEDS_TINT;
1035 }
1036 if (tr_flags & BG_NEEDS_TINT)
1037 {
1038 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1039 if (ximage)
1040 {
1041 /* our own client-side tinting */
1042 tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1043
1044 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1045 XDestroyImage (ximage);
1046 }
1047 }
1048 } /* server side rendering completed */
1049
1301 XFreeGC (dpy, gc); 1050 XFreeGC (dpy, gc);
1302
1303 if (!(bg_flags & BG_CLIENT_RENDER))
1304 {
1305 if ((bg_flags & BG_NEEDS_BLUR)
1306 && (bg_flags & BG_HAS_RENDER_CONV))
1307 {
1308 if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1309 result &= ~BG_NEEDS_BLUR;
1310 }
1311 if ((bg_flags & BG_NEEDS_TINT)
1312 && (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1313 {
1314 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1315 result &= ~BG_NEEDS_TINT;
1316 }
1317 } /* server side rendering completed */
1318 } 1051 }
1319 1052
1320 if (recoded_root_pmap != root_pixmap) 1053 if (recoded_root_pmap != root_pixmap)
1321 XFreePixmap (dpy, recoded_root_pmap); 1054 XFreePixmap (dpy, recoded_root_pmap);
1322 1055
1323 return result; 1056 return ret;
1324} 1057}
1325 1058
1326void 1059void
1327rxvt_term::bg_set_root_pixmap () 1060rxvt_term::bg_set_root_pixmap ()
1328{ 1061{
1332 1065
1333 root_pixmap = new_root_pixmap; 1066 root_pixmap = new_root_pixmap;
1334} 1067}
1335# endif /* ENABLE_TRANSPARENCY */ 1068# endif /* ENABLE_TRANSPARENCY */
1336 1069
1337#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1338static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1339# endif
1340
1341bool 1070bool
1342rxvt_term::bg_render () 1071rxvt_term::bg_render ()
1343{ 1072{
1344 unsigned long tr_flags = 0; 1073 bool transparent = false;
1345 1074
1346 bg_invalidate (); 1075 bg_invalidate ();
1347# ifdef ENABLE_TRANSPARENCY 1076# ifdef ENABLE_TRANSPARENCY
1348 if (bg_flags & BG_IS_TRANSPARENT) 1077 if (bg_flags & BG_IS_TRANSPARENT)
1349 { 1078 {
1350 /* we need to re-generate transparency pixmap in that case ! */ 1079 /* we need to re-generate transparency pixmap in that case ! */
1351 tr_flags = make_transparency_pixmap (); 1080 transparent = make_transparency_pixmap ();
1352 if (tr_flags == 0) 1081 if (transparent)
1353 return false;
1354 else if (!(tr_flags & BG_EFFECTS_FLAGS))
1355 bg_flags |= BG_IS_VALID; 1082 bg_flags |= BG_IS_VALID;
1356 } 1083 }
1357# endif 1084# endif
1358 1085
1359# ifdef BG_IMAGE_FROM_FILE 1086# ifdef BG_IMAGE_FROM_FILE
1360 if ((bg_flags & BG_IS_FROM_FILE) 1087 if (bg_flags & BG_IS_FROM_FILE)
1361 || (tr_flags & BG_EFFECTS_FLAGS))
1362 { 1088 {
1363 if (render_image (tr_flags)) 1089 if (render_image (transparent))
1364 bg_flags |= BG_IS_VALID; 1090 bg_flags |= BG_IS_VALID;
1365 }
1366# endif
1367
1368# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1369 XImage *result = NULL;
1370
1371 if (tr_flags && !(bg_flags & BG_IS_VALID))
1372 {
1373 result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1374 }
1375
1376 if (result)
1377 {
1378 /* our own client-side tinting */
1379 if (tr_flags & BG_NEEDS_TINT)
1380 {
1381 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1382 if (bg_flags & BG_TINT_SET)
1383 tint.get (c);
1384 shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1385 }
1386
1387 GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1388
1389 if (gc)
1390 {
1391 XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1392
1393 XFreeGC (dpy, gc);
1394 bg_flags |= BG_IS_VALID;
1395 }
1396
1397 XDestroyImage (result);
1398 } 1091 }
1399# endif 1092# endif
1400 1093
1401 if (!(bg_flags & BG_IS_VALID)) 1094 if (!(bg_flags & BG_IS_VALID))
1402 { 1095 {
1439#endif 1132#endif
1440} 1133}
1441 1134
1442#endif /* HAVE_BG_PIXMAP */ 1135#endif /* HAVE_BG_PIXMAP */
1443 1136
1444#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1137#ifdef ENABLE_TRANSPARENCY
1445/* taken from aterm-0.4.2 */ 1138/* based on code from aterm-0.4.2 */
1446 1139
1447static void 1140static inline void
1448shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1141fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1142{
1143 for (int i = 0; i <= mask >> sh; i++)
1144 {
1145 uint32_t tmp;
1146 tmp = i * high;
1147 tmp += (mask >> sh) * low;
1148 lookup[i] = (tmp / 0xffff) << sh;
1149 }
1150}
1151
1152void
1153rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
1449{ 1154{
1450 int sh_r, sh_g, sh_b; 1155 int sh_r, sh_g, sh_b;
1451 uint32_t mask_r, mask_g, mask_b; 1156 uint32_t mask_r, mask_g, mask_b;
1452 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1157 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1453 rgba low; 1158 unsigned short low;
1454 rgba high;
1455 int i;
1456 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1159 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1457 1160
1458 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1161 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1459 1162
1460 /* for convenience */ 1163 /* for convenience */
1519 break; 1222 break;
1520 default: 1223 default:
1521 return; /* we do not support this color depth */ 1224 return; /* we do not support this color depth */
1522 } 1225 }
1523 1226
1227 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1228
1229 if (bg_flags & BG_TINT_SET)
1230 tint.get (c);
1231
1524 /* prepare limits for color transformation (each channel is handled separately) */ 1232 /* prepare limits for color transformation (each channel is handled separately) */
1525 if (shade > 100) 1233 if (shade > 100)
1526 { 1234 {
1527 shade = 200 - shade;
1528
1529 high.r = c.r * shade / 100;
1530 high.g = c.g * shade / 100;
1531 high.b = c.b * shade / 100;
1532
1533 low.r = 65535 * (100 - shade) / 100; 1235 c.r = c.r * (200 - shade) / 100;
1534 low.g = 65535 * (100 - shade) / 100; 1236 c.g = c.g * (200 - shade) / 100;
1535 low.b = 65535 * (100 - shade) / 100; 1237 c.b = c.b * (200 - shade) / 100;
1238
1239 low = 0xffff * (shade - 100) / 100;
1536 } 1240 }
1537 else 1241 else
1538 { 1242 {
1539 high.r = c.r * shade / 100; 1243 c.r = c.r * shade / 100;
1540 high.g = c.g * shade / 100; 1244 c.g = c.g * shade / 100;
1541 high.b = c.b * shade / 100; 1245 c.b = c.b * shade / 100;
1542 1246
1543 low.r = low.g = low.b = 0; 1247 low = 0;
1544 } 1248 }
1545 1249
1546 /* fill our lookup tables */ 1250 /* fill our lookup tables */
1547 for (i = 0; i <= mask_r>>sh_r; i++) 1251 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1548 { 1252 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1549 uint32_t tmp; 1253 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1550 tmp = i * high.r;
1551 tmp += (mask_r>>sh_r) * low.r;
1552 lookup_r[i] = (tmp/65535)<<sh_r;
1553 }
1554 for (i = 0; i <= mask_g>>sh_g; i++)
1555 {
1556 uint32_t tmp;
1557 tmp = i * high.g;
1558 tmp += (mask_g>>sh_g) * low.g;
1559 lookup_g[i] = (tmp/65535)<<sh_g;
1560 }
1561 for (i = 0; i <= mask_b>>sh_b; i++)
1562 {
1563 uint32_t tmp;
1564 tmp = i * high.b;
1565 tmp += (mask_b>>sh_b) * low.b;
1566 lookup_b[i] = (tmp/65535)<<sh_b;
1567 }
1568 1254
1569 /* apply table to input image (replacing colors by newly calculated ones) */ 1255 /* apply table to input image (replacing colors by newly calculated ones) */
1570 if (ximage->bits_per_pixel == 32 1256 if (ximage->bits_per_pixel == 32
1571 && (ximage->depth == 24 || ximage->depth == 32) 1257 && (ximage->depth == 24 || ximage->depth == 32)
1572 && ximage->byte_order == host_byte_order) 1258 && ximage->byte_order == host_byte_order)
1602 } 1288 }
1603 } 1289 }
1604 1290
1605 free (lookup); 1291 free (lookup);
1606} 1292}
1607#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1293#endif /* ENABLE_TRANSPARENCY */

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