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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 2011 UTC vs.
Revision 1.205 by sf-exg, Wed Apr 11 10:06:45 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)
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
173 return ((align + 100) * smaller / 100) - image_size; 136 return (align + 100) * smaller / 100 - image_size;
174 return 0;
175} 137}
176 138
177static inline int 139static inline int
178make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 140make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179{ 141{
185 src_pos = -pos; 147 src_pos = -pos;
186 dst_pos = 0; 148 dst_pos = 0;
187 dst_size += pos; 149 dst_size += pos;
188 } 150 }
189 151
190 if (dst_pos + dst_size > target_size)
191 dst_size = target_size - dst_pos; 152 min_it (dst_size, target_size - dst_pos);
192 return src_pos; 153 return src_pos;
193} 154}
194 155
195bool 156bool
196rxvt_term::bg_set_geometry (const char *geom, bool update) 157rxvt_term::bg_set_geometry (const char *geom, bool update)
197{ 158{
198 bool changed = false; 159 bool changed = false;
199 int geom_flags = 0; 160 int geom_flags = 0;
200 int x = 0, y = 0; 161 int x = h_align;
162 int y = v_align;
201 unsigned int w = 0, h = 0; 163 unsigned int w = h_scale;
202 unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS)); 164 unsigned int h = v_scale;
165 unsigned long new_flags = 0;
203 166
204 if (geom == NULL) 167 if (geom == NULL)
205 return false; 168 return false;
206 169
207 if (geom[0]) 170 if (geom[0])
208 { 171 {
209 char **arr = rxvt_strsplit (':', geom); 172 char **arr = rxvt_strsplit (':', geom);
210 173
211 for (int i = 0; arr[i]; i++) 174 for (int i = 0; arr[i]; i++)
212 { 175 {
213 if (!strcasecmp (arr[i], "style=tiled")) 176 if (!strcasecmp (arr[i], "style=tiled"))
214 { 177 {
215 new_flags = BG_TILE; 178 new_flags = BG_TILE;
216 w = h = noScale; 179 w = h = noScale;
217 x = y = 0; 180 x = y = 0;
218 geom_flags = WidthValue|HeightValue|XValue|YValue; 181 geom_flags = WidthValue|HeightValue|XValue|YValue;
219 } 182 }
220 else if (!strcasecmp (arr[i], "style=aspect-stretched")) 183 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
221 { 184 {
222 new_flags = BG_PROP_SCALE; 185 new_flags = BG_KEEP_ASPECT;
223 w = h = windowScale; 186 w = h = windowScale;
224 x = y = centerAlign; 187 x = y = centerAlign;
225 geom_flags = WidthValue|HeightValue|XValue|YValue; 188 geom_flags = WidthValue|HeightValue|XValue|YValue;
226 } 189 }
227 else if (!strcasecmp (arr[i], "style=stretched")) 190 else if (!strcasecmp (arr[i], "style=stretched"))
243 w = h = noScale; 206 w = h = noScale;
244 geom_flags = WidthValue|HeightValue; 207 geom_flags = WidthValue|HeightValue;
245 } 208 }
246 else if (!strcasecmp (arr[i], "op=tile")) 209 else if (!strcasecmp (arr[i], "op=tile"))
247 new_flags |= BG_TILE; 210 new_flags |= BG_TILE;
248 else if (!strcasecmp (arr[i], "op=pscale")) 211 else if (!strcasecmp (arr[i], "op=keep-aspect"))
249 new_flags |= BG_PROP_SCALE; 212 new_flags |= BG_KEEP_ASPECT;
250 else if (!strcasecmp (arr[i], "op=root")) 213 else if (!strcasecmp (arr[i], "op=root-align"))
251 new_flags |= BG_ROOT_ALIGN; 214 new_flags |= BG_ROOT_ALIGN;
252 215
253 // deprecated 216 // deprecated
254 else if (!strcasecmp (arr[i], "tile")) 217 else if (!strcasecmp (arr[i], "tile"))
255 { 218 {
257 w = h = noScale; 220 w = h = noScale;
258 geom_flags |= WidthValue|HeightValue; 221 geom_flags |= WidthValue|HeightValue;
259 } 222 }
260 else if (!strcasecmp (arr[i], "propscale")) 223 else if (!strcasecmp (arr[i], "propscale"))
261 { 224 {
262 new_flags |= BG_PROP_SCALE; 225 new_flags |= BG_KEEP_ASPECT;
226 w = h = windowScale;
227 geom_flags |= WidthValue|HeightValue;
263 } 228 }
264 else if (!strcasecmp (arr[i], "hscale")) 229 else if (!strcasecmp (arr[i], "hscale"))
265 { 230 {
266 new_flags |= BG_TILE; 231 new_flags |= BG_TILE;
267 w = windowScale; 232 w = windowScale;
297 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h); 262 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
298 } /* done parsing ops */ 263 } /* done parsing ops */
299 264
300 rxvt_free_strsplit (arr); 265 rxvt_free_strsplit (arr);
301 } 266 }
267
268 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
302 269
303 if (!update) 270 if (!update)
304 { 271 {
305 if (!(geom_flags & XValue)) 272 if (!(geom_flags & XValue))
306 x = y = defaultAlign; 273 x = y = defaultAlign;
311 w = h = defaultScale; 278 w = h = defaultScale;
312 else if (!(geom_flags & HeightValue)) 279 else if (!(geom_flags & HeightValue))
313 h = w; 280 h = w;
314 else if (!(geom_flags & WidthValue)) 281 else if (!(geom_flags & WidthValue))
315 w = h; 282 w = h;
316
317 geom_flags |= WidthValue|HeightValue|XValue|YValue;
318 } 283 }
319 284
320 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true; 285 min_it (w, 1000);
321 if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true; 286 min_it (h, 1000);
322 if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true; 287 clamp_it (x, -100, 200);
323 if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true; 288 clamp_it (y, -100, 200);
324 289
325 if (new_flags != bg_flags) 290 if (bg_flags != new_flags
291 || h_scale != w
292 || v_scale != h
293 || h_align != x
294 || v_align != y)
326 { 295 {
327 bg_flags = new_flags; 296 bg_flags = new_flags;
297 h_scale = w;
298 v_scale = h;
299 h_align = x;
300 v_align = y;
328 changed = true; 301 changed = true;
329 } 302 }
330 303
331 return changed; 304 return changed;
332} 305}
338 int target_height = szHint.height; 311 int target_height = szHint.height;
339 312
340 w = h_scale * target_width / 100; 313 w = h_scale * target_width / 100;
341 h = v_scale * target_height / 100; 314 h = v_scale * target_height / 100;
342 315
343 if (bg_flags & BG_PROP_SCALE) 316 if (bg_flags & BG_KEEP_ASPECT)
344 { 317 {
345 float scale = (float)w / image_width; 318 float scale = (float)w / image_width;
346 min_it (scale, (float)h / image_height); 319 min_it (scale, (float)h / image_height);
347 w = image_width * scale + 0.5; 320 w = image_width * scale + 0.5;
348 h = image_height * scale + 0.5; 321 h = image_height * scale + 0.5;
360 { 333 {
361 x = make_align_position (h_align, target_width, w); 334 x = make_align_position (h_align, target_width, w);
362 y = make_align_position (v_align, target_height, h); 335 y = make_align_position (v_align, target_height, h);
363 } 336 }
364 337
365 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
366 if (!(bg_flags & BG_TILE) 338 if (!(bg_flags & BG_TILE)
367 || h_scale || v_scale 339 || h_scale || v_scale
368 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align)) 340 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
369 || w > target_width || h > target_height) 341 || image_width > target_width || image_height > target_height)
370 bg_flags |= BG_IS_SIZE_SENSITIVE; 342 bg_flags |= BG_IS_SIZE_SENSITIVE;
371}
372
373# ifdef HAVE_AFTERIMAGE
374bool
375rxvt_term::render_image (unsigned long tr_flags)
376{
377 init_asv ();
378
379 ASImage *background = NULL;
380 ARGB32 background_tint = TINT_LEAVE_SAME;
381
382# ifdef ENABLE_TRANSPARENCY
383 if (tr_flags)
384 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
385
386 if (tr_flags & BG_NEEDS_TINT)
387 {
388 ShadingInfo as_shade;
389 as_shade.shading = shade;
390
391 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
392 if (bg_flags & BG_TINT_SET)
393 tint.get (c);
394 as_shade.tintColor.red = c.r;
395 as_shade.tintColor.green = c.g;
396 as_shade.tintColor.blue = c.b;
397
398 background_tint = shading2tint32 (&as_shade);
399 }
400
401 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
402 {
403 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
404 (original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
405 100, ASIMAGE_QUALITY_DEFAULT);
406 if (tmp)
407 {
408 destroy_asimage (&background);
409 background = tmp;
410 }
411 }
412# endif
413
414 ASImage *result = 0;
415
416 int target_width = szHint.width;
417 int target_height = szHint.height;
418 int new_pmap_width = target_width;
419 int new_pmap_height = target_height;
420
421 int x = 0;
422 int y = 0;
423 int w = 0;
424 int h = 0;
425
426 if (original_asim)
427 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
428
429 if (!original_asim
430 || (!(bg_flags & BG_ROOT_ALIGN)
431 && (x >= target_width
432 || y >= target_height
433 || (x + w <= 0)
434 || (y + h <= 0))))
435 {
436 if (background)
437 {
438 new_pmap_width = background->width;
439 new_pmap_height = background->height;
440 result = background;
441
442 if (background_tint != TINT_LEAVE_SAME)
443 {
444 ASImage *tmp = tile_asimage (asv, background, 0, 0,
445 target_width, target_height, background_tint,
446 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
447 if (tmp)
448 result = tmp;
449 }
450 }
451 else
452 new_pmap_width = new_pmap_height = 0;
453 }
454 else 343 else
455 { 344 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
456 result = original_asim;
457
458 if ((w != original_asim->width)
459 || (h != original_asim->height))
460 {
461 result = scale_asimage (asv, original_asim,
462 w, h,
463 background ? ASA_ASImage : ASA_XImage,
464 100, ASIMAGE_QUALITY_DEFAULT);
465 }
466
467 if (background == NULL)
468 {
469 if (bg_flags & BG_TILE)
470 {
471 /* if tiling - pixmap has to be sized exactly as the image,
472 but there is no need to make it bigger than the window! */
473 new_pmap_width = min (result->width, target_width);
474 new_pmap_height = min (result->height, target_height);
475
476 /* we also need to tile our image in both directions */
477 ASImage *tmp = tile_asimage (asv, result,
478 (int)result->width - x,
479 (int)result->height - y,
480 new_pmap_width,
481 new_pmap_height,
482 TINT_LEAVE_SAME, ASA_XImage,
483 100, ASIMAGE_QUALITY_DEFAULT);
484 if (tmp)
485 {
486 if (result != original_asim)
487 destroy_asimage (&result);
488
489 result = tmp;
490 }
491 }
492 }
493 else
494 {
495 /* if blending background and image - pixmap has to be sized same as target window */
496 ASImageLayer *layers = create_image_layers (2);
497
498 layers[0].im = background;
499 layers[0].clip_width = target_width;
500 layers[0].clip_height = target_height;
501 layers[0].tint = background_tint;
502 layers[1].im = result;
503
504 if (bg_flags & BG_TILE)
505 {
506 /* tile horizontally */
507 while (x > 0) x -= (int)result->width;
508 layers[1].dst_x = x;
509 layers[1].clip_width = result->width+target_width;
510 }
511 else
512 {
513 /* clip horizontally */
514 layers[1].dst_x = x;
515 layers[1].clip_width = result->width;
516 }
517
518 if (bg_flags & BG_TILE)
519 {
520 while (y > 0) y -= (int)result->height;
521 layers[1].dst_y = y;
522 layers[1].clip_height = result->height + target_height;
523 }
524 else
525 {
526 layers[1].dst_y = y;
527 layers[1].clip_height = result->height;
528 }
529
530 if (rs[Rs_blendtype])
531 {
532 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
533 if (layers[1].merge_scanlines == NULL)
534 layers[1].merge_scanlines = alphablend_scanlines;
535 }
536
537 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
538 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
539
540 if (tmp)
541 {
542 if (result != original_asim)
543 destroy_asimage (&result);
544
545 result = tmp;
546 }
547
548 free (layers);
549 }
550 }
551
552 bool ret = false;
553
554 if (result)
555 {
556 XGCValues gcv;
557 GC gc;
558
559 /* create Pixmap */
560 if (bg_pixmap == None
561 || bg_pmap_width != new_pmap_width
562 || bg_pmap_height != new_pmap_height)
563 {
564 if (bg_pixmap)
565 XFreePixmap (dpy, bg_pixmap);
566 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
567 bg_pmap_width = new_pmap_width;
568 bg_pmap_height = new_pmap_height;
569 }
570 /* fill with background color (if result's not completely overlapping it) */
571 gcv.foreground = pix_colors[Color_bg];
572 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
573
574 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
575 int dst_width = result->width, dst_height = result->height;
576 if (background == NULL)
577 {
578 if (!(bg_flags & BG_TILE))
579 {
580 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
581 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
582 }
583
584 if (dst_x > 0 || dst_y > 0
585 || dst_x + dst_width < new_pmap_width
586 || dst_y + dst_height < new_pmap_height)
587 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
588 }
589
590 /* put result on pixmap */
591 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
592 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
593
594 if (result != background && result != original_asim)
595 destroy_asimage (&result);
596
597 XFreeGC (dpy, gc);
598
599 ret = true;
600 }
601
602 if (background)
603 destroy_asimage (&background);
604
605 return ret;
606} 345}
607# endif /* HAVE_AFTERIMAGE */
608 346
609# ifdef HAVE_PIXBUF 347# ifdef HAVE_PIXBUF
610bool 348bool
611rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc, 349rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
612 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,
689 XDestroyImage (ximage); 427 XDestroyImage (ximage);
690 return true; 428 return true;
691} 429}
692 430
693bool 431bool
694rxvt_term::render_image (unsigned long tr_flags) 432rxvt_term::render_image (bool transparent)
695{ 433{
696 if (!pixbuf) 434 if (!pixbuf)
697 return false; 435 return false;
698 436
699 if (tr_flags 437 if (transparent
700 && !(bg_flags & BG_HAS_RENDER)) 438 && !(bg_flags & BG_HAS_RENDER))
701 return false; 439 return false;
702 440
703 GdkPixbuf *result; 441 GdkPixbuf *result;
704 442
718 get_image_geometry (image_width, image_height, w, h, x, y); 456 get_image_geometry (image_width, image_height, w, h, x, y);
719 457
720 if (!(bg_flags & BG_ROOT_ALIGN) 458 if (!(bg_flags & BG_ROOT_ALIGN)
721 && (x >= target_width 459 && (x >= target_width
722 || y >= target_height 460 || y >= target_height
723 || (x + w <= 0) 461 || x + w <= 0
724 || (y + h <= 0))) 462 || y + h <= 0))
725 return false; 463 return false;
726 464
727 result = pixbuf; 465 result = pixbuf;
728 466
729 if ((w != image_width) 467 if (w != image_width
730 || (h != image_height)) 468 || h != image_height)
731 { 469 {
732 result = gdk_pixbuf_scale_simple (pixbuf, 470 result = gdk_pixbuf_scale_simple (pixbuf,
733 w, h, 471 w, h,
734 GDK_INTERP_BILINEAR); 472 GDK_INTERP_BILINEAR);
735 } 473 }
744 Pixmap root_pmap; 482 Pixmap root_pmap;
745 483
746 image_width = gdk_pixbuf_get_width (result); 484 image_width = gdk_pixbuf_get_width (result);
747 image_height = gdk_pixbuf_get_height (result); 485 image_height = gdk_pixbuf_get_height (result);
748 486
749 if (tr_flags) 487 if (transparent)
750 { 488 {
751 root_pmap = bg_pixmap; 489 root_pmap = bg_pixmap;
752 bg_pixmap = None; 490 bg_pixmap = None;
753 } 491 }
754 else 492 else
812 dst_x, dst_y, 550 dst_x, dst_y,
813 dst_width, dst_height); 551 dst_width, dst_height);
814 } 552 }
815 553
816#if XRENDER 554#if XRENDER
817 if (tr_flags) 555 if (transparent)
818 { 556 {
819 XRenderPictureAttributes pa;
820
821 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 557 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
558
822 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 559 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
823 560
824 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
825 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 561 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
826 562
827 pa.repeat = True; 563 Picture mask = create_xrender_mask (dpy, vt, False, False);
828 Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
829 XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
830 Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
831 XFreePixmap (dpy, mask_pmap);
832 564
833 XRenderColor mask_c; 565 XRenderColor mask_c;
834 566
835 mask_c.alpha = 0x8000; 567 mask_c.alpha = 0x8000;
836 mask_c.red = 0; 568 mask_c.red =
837 mask_c.green = 0; 569 mask_c.green =
838 mask_c.blue = 0; 570 mask_c.blue = 0;
839 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 571 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
572
840 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);
841 574
842 XRenderFreePicture (dpy, src); 575 XRenderFreePicture (dpy, src);
843 XRenderFreePicture (dpy, dst); 576 XRenderFreePicture (dpy, dst);
844 XRenderFreePicture (dpy, mask); 577 XRenderFreePicture (dpy, mask);
851 } 584 }
852 585
853 if (result != pixbuf) 586 if (result != pixbuf)
854 g_object_unref (result); 587 g_object_unref (result);
855 588
856 if (tr_flags) 589 if (transparent)
857 XFreePixmap (dpy, root_pmap); 590 XFreePixmap (dpy, root_pmap);
858 591
859 return ret; 592 return ret;
860} 593}
861# endif /* HAVE_PIXBUF */ 594# endif /* HAVE_PIXBUF */
864rxvt_term::bg_set_file (const char *file) 597rxvt_term::bg_set_file (const char *file)
865{ 598{
866 if (!file || !*file) 599 if (!file || !*file)
867 return false; 600 return false;
868 601
602 bool ret = false;
869 if (const char *p = strchr (file, ';')) 603 const char *p = strchr (file, ';');
604
605 if (p)
870 { 606 {
871 size_t len = p - file; 607 size_t len = p - file;
872 char *f = rxvt_temp_buf<char> (len + 1); 608 char *f = rxvt_temp_buf<char> (len + 1);
873 memcpy (f, file, len); 609 memcpy (f, file, len);
874 f[len] = '\0'; 610 f[len] = '\0';
875 file = f; 611 file = f;
876 } 612 }
877 613
878# ifdef HAVE_AFTERIMAGE
879 if (!asimman)
880 asimman = create_generic_imageman (rs[Rs_path]);
881 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
882 if (image)
883 {
884 if (original_asim)
885 safe_asimage_destroy (original_asim);
886 original_asim = image;
887 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
888 return true;
889 }
890# endif
891
892# ifdef HAVE_PIXBUF 614# ifdef HAVE_PIXBUF
893 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 615 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
894 if (image) 616 if (image)
895 { 617 {
896 if (pixbuf) 618 if (pixbuf)
897 g_object_unref (pixbuf); 619 g_object_unref (pixbuf);
898 pixbuf = image; 620 pixbuf = image;
899 bg_flags |= BG_IS_FROM_FILE; 621 bg_flags |= BG_IS_FROM_FILE;
900 return true; 622 ret = true;
901 } 623 }
902# endif 624# endif
903 625
626 if (ret)
627 {
628 if (p)
629 bg_set_geometry (p + 1);
630 else
631 bg_set_default_geometry ();
632 }
633
904 return false; 634 return ret;
905} 635}
906 636
907# endif /* BG_IMAGE_FROM_FILE */ 637# endif /* BG_IMAGE_FROM_FILE */
908 638
909# ifdef ENABLE_TRANSPARENCY 639# ifdef ENABLE_TRANSPARENCY
945 { 675 {
946 changed = true; 676 changed = true;
947 v_blurRadius = vr; 677 v_blurRadius = vr;
948 } 678 }
949 679
950 if (v_blurRadius == 0 && h_blurRadius == 0) 680 if (h_blurRadius && v_blurRadius)
681 bg_flags |= BG_NEEDS_BLUR;
682 else
951 bg_flags &= ~BG_NEEDS_BLUR; 683 bg_flags &= ~BG_NEEDS_BLUR;
952 else
953 bg_flags |= BG_NEEDS_BLUR;
954 684
955 return changed; 685 return changed;
956} 686}
957 687
958void 688void
959rxvt_term::set_tint_shade_flags () 689rxvt_term::set_tint_shade_flags ()
960{ 690{
961 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 691 if (shade != 100 || (bg_flags & BG_TINT_SET))
962 bool has_shade = shade != 100; 692 bg_flags |= BG_NEEDS_TINT;
693 else
694 bg_flags &= ~BG_NEEDS_TINT;
695}
963 696
697bool
698rxvt_term::bg_set_tint (rxvt_color &new_tint)
699{
700 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
701 {
702 tint = new_tint;
964 bg_flags &= ~BG_TINT_FLAGS; 703 bg_flags |= BG_TINT_SET;
965 704
966 if (bg_flags & BG_TINT_SET) 705 rgba c;
967 {
968 tint.get (c); 706 tint.get (c);
969 if (!has_shade
970 && (c.r <= 0x00ff || c.r >= 0xff00) 707 if ((c.r <= 0x00ff || c.r >= 0xff00)
971 && (c.g <= 0x00ff || c.g >= 0xff00) 708 && (c.g <= 0x00ff || c.g >= 0xff00)
972 && (c.b <= 0x00ff || c.b >= 0xff00)) 709 && (c.b <= 0x00ff || c.b >= 0xff00))
973 bg_flags |= BG_TINT_BITAND; 710 bg_flags |= BG_TINT_BITAND;
974 } 711 else
975
976 if (has_shade || (bg_flags & BG_TINT_SET))
977 bg_flags |= BG_NEEDS_TINT;
978}
979
980bool
981rxvt_term::bg_set_tint (rxvt_color &new_tint)
982{
983 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
984 {
985 tint = new_tint;
986 bg_flags |= BG_TINT_SET; 712 bg_flags &= ~BG_TINT_BITAND;
713
987 set_tint_shade_flags (); 714 set_tint_shade_flags ();
988 return true; 715 return true;
989 } 716 }
990 717
991 return false; 718 return false;
992} 719}
993 720
994bool 721bool
995rxvt_term::bg_set_shade (const char *shade_str) 722rxvt_term::bg_set_shade (const char *shade_str)
996{ 723{
997 int new_shade = (shade_str) ? atoi (shade_str) : 100; 724 int new_shade = atoi (shade_str);
998 725
999 clamp_it (new_shade, -100, 200); 726 clamp_it (new_shade, -100, 200);
1000 if (new_shade < 0) 727 if (new_shade < 0)
1001 new_shade = 200 - (100 + new_shade); 728 new_shade = 200 - (100 + new_shade);
1002 729
1032 params[i+2] = XDoubleToFixed (kernel[i] / sum); 759 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1033} 760}
1034#endif 761#endif
1035 762
1036bool 763bool
1037rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 764rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1038{ 765{
1039 bool ret = false; 766 bool ret = false;
1040#if XRENDER 767#if XRENDER
768 if (!(bg_flags & BG_HAS_RENDER_CONV))
769 return false;
770
1041 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 771 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042 double *kernel = (double *)malloc (size * sizeof (double)); 772 double *kernel = (double *)malloc (size * sizeof (double));
1043 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 773 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044 774
1045 XRenderPictureAttributes pa; 775 XRenderPictureAttributes pa;
1046 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 776 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047 777
778 pa.repeat = RepeatPad;
1048 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 779 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
780 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 781 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
782 XFreePixmap (dpy, tmp);
1050 783
1051 if (kernel && params) 784 if (kernel && params)
1052 { 785 {
1053 if (h_blurRadius)
1054 {
1055 size = h_blurRadius * 2 + 1; 786 size = h_blurRadius * 2 + 1;
1056 get_gaussian_kernel (h_blurRadius, size, kernel, params); 787 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057 788
1058 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 789 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059 XRenderComposite (dpy, 790 XRenderComposite (dpy,
1060 PictOpSrc, 791 PictOpSrc,
1061 src, 792 src,
1062 None, 793 None,
1063 dst, 794 dst,
1064 0, 0, 795 0, 0,
1065 0, 0, 796 0, 0,
1066 0, 0, 797 0, 0,
1067 width, height); 798 width, height);
1068 }
1069 799
1070 if (v_blurRadius) 800 ::swap (src, dst);
1071 { 801
1072 size = v_blurRadius * 2 + 1; 802 size = v_blurRadius * 2 + 1;
1073 get_gaussian_kernel (v_blurRadius, size, kernel, params); 803 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074 ::swap (params[0], params[1]); 804 ::swap (params[0], params[1]);
1075 805
1076 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 806 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077 XRenderComposite (dpy, 807 XRenderComposite (dpy,
1078 PictOpSrc, 808 PictOpSrc,
1079 src, 809 src,
1080 None, 810 None,
1081 dst, 811 dst,
1082 0, 0, 812 0, 0,
1083 0, 0, 813 0, 0,
1084 0, 0, 814 0, 0,
1085 width, height); 815 width, height);
1086 }
1087 816
1088 ret = true; 817 ret = true;
1089 } 818 }
1090 819
1091 free (kernel); 820 free (kernel);
1099bool 828bool
1100rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 829rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1101{ 830{
1102 bool ret = false; 831 bool ret = false;
1103 832
1104 if (bg_flags & BG_TINT_BITAND) 833 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105 { 834 {
1106 XGCValues gcv; 835 XGCValues gcv;
1107 GC gc; 836 GC gc;
1108 837
1109 /* In this case we can tint image server-side getting significant 838 /* In this case we can tint image server-side getting significant
1118 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 847 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1119 ret = true; 848 ret = true;
1120 XFreeGC (dpy, gc); 849 XFreeGC (dpy, gc);
1121 } 850 }
1122 } 851 }
1123 else
1124 {
1125# if XRENDER 852# if XRENDER
853 else if (bg_flags & BG_HAS_RENDER)
854 {
1126 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 855 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1127 856
1128 if (bg_flags & BG_TINT_SET) 857 if (bg_flags & BG_TINT_SET)
1129 tint.get (c); 858 tint.get (c);
1130 859
1139 c.r = c.r * (200 - shade) / 100; 868 c.r = c.r * (200 - shade) / 100;
1140 c.g = c.g * (200 - shade) / 100; 869 c.g = c.g * (200 - shade) / 100;
1141 c.b = c.b * (200 - shade) / 100; 870 c.b = c.b * (200 - shade) / 100;
1142 } 871 }
1143 872
1144 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 873 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146 XRenderPictureAttributes pa;
1147 874
1148 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 875 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149 876
1150 pa.repeat = True; 877 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151 878
1152 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 879 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153 Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154 XFreePixmap (dpy, overlay_pmap);
1155
1156 pa.component_alpha = True;
1157 Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158 Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159 XFreePixmap (dpy, mask_pmap);
1160 880
1161 XRenderColor mask_c; 881 XRenderColor mask_c;
1162 882
1163 mask_c.alpha = 0xffff; 883 mask_c.alpha = 0xffff;
1164 mask_c.red = 884 mask_c.red =
1169 mask_c.alpha = 0; 889 mask_c.alpha = 0;
1170 mask_c.red = 0xffff - c.r; 890 mask_c.red = 0xffff - c.r;
1171 mask_c.green = 0xffff - c.g; 891 mask_c.green = 0xffff - c.g;
1172 mask_c.blue = 0xffff - c.b; 892 mask_c.blue = 0xffff - c.b;
1173 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1); 893 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
894
1174 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height); 895 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175 896
1176 if (shade > 100) 897 if (shade > 100)
1177 { 898 {
1178 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179 mask_c.alpha = 0; 899 mask_c.alpha = 0;
900 mask_c.red =
901 mask_c.green =
902 mask_c.blue = 0xffff * (shade - 100) / 100;
1180 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 903 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181 904
1182 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); 905 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183 } 906 }
1184 907
1185 ret = true; 908 ret = true;
1186 909
1187 XRenderFreePicture (dpy, mask_pic); 910 XRenderFreePicture (dpy, mask_pic);
1188 XRenderFreePicture (dpy, overlay_pic); 911 XRenderFreePicture (dpy, overlay_pic);
1189 XRenderFreePicture (dpy, back_pic); 912 XRenderFreePicture (dpy, back_pic);
913 }
1190# endif 914# endif
1191 }
1192 915
1193 return ret; 916 return ret;
1194} 917}
1195 918
1196/* 919/*
1197 * Builds a pixmap of the same size as the terminal window that contains 920 * Builds a pixmap of the same size as the terminal window that contains
1198 * the tiled portion of the root pixmap that is supposed to be covered by 921 * the tiled portion of the root pixmap that is supposed to be covered by
1199 * our window. 922 * our window.
1200 */ 923 */
1201unsigned long 924bool
1202rxvt_term::make_transparency_pixmap () 925rxvt_term::make_transparency_pixmap ()
1203{ 926{
1204 unsigned long result = 0; 927 bool ret = false;
1205 928
1206 /* root dimensions may change from call to call - but Display structure should 929 /* root dimensions may change from call to call - but Display structure should
1207 * be always up-to-date, so let's use it : 930 * be always up-to-date, so let's use it :
1208 */ 931 */
1209 int screen = display->screen; 932 int screen = display->screen;
1247#if XRENDER 970#if XRENDER
1248 if (bg_flags & BG_HAS_RENDER) 971 if (bg_flags & BG_HAS_RENDER)
1249 { 972 {
1250 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth); 973 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251 974
1252 XRenderPictureAttributes pa;
1253
1254 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 975 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 976 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256 977
1257 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 978 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 979 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259 980
1260 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 981 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261 982
1262 XRenderFreePicture (dpy, src); 983 XRenderFreePicture (dpy, src);
1263 XRenderFreePicture (dpy, dst); 984 XRenderFreePicture (dpy, dst);
1280 bg_pmap_width = window_width; 1001 bg_pmap_width = window_width;
1281 bg_pmap_height = window_height; 1002 bg_pmap_height = window_height;
1282 } 1003 }
1283 1004
1284 /* straightforward pixmap copy */ 1005 /* straightforward pixmap copy */
1285 while (sx < 0) sx += root_width; 1006 while (sx < 0) sx += root_pmap_width;
1286 while (sy < 0) sy += root_height; 1007 while (sy < 0) sy += root_pmap_height;
1287 1008
1288 gcv.tile = recoded_root_pmap; 1009 gcv.tile = recoded_root_pmap;
1289 gcv.fill_style = FillTiled; 1010 gcv.fill_style = FillTiled;
1290 gcv.ts_x_origin = -sx; 1011 gcv.ts_x_origin = -sx;
1291 gcv.ts_y_origin = -sy; 1012 gcv.ts_y_origin = -sy;
1292 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1013 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293 1014
1294 if (gc) 1015 if (gc)
1295 { 1016 {
1296 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1017 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1018 ret = true;
1019 unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1020
1021 if (!(bg_flags & BG_CLIENT_RENDER))
1022 {
1023 if (bg_flags & BG_NEEDS_BLUR)
1024 {
1025 if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1026 tr_flags &= ~BG_NEEDS_BLUR;
1027 }
1028 if (bg_flags & BG_NEEDS_TINT)
1029 {
1030 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1031 tr_flags &= ~BG_NEEDS_TINT;
1032 }
1033 if (tr_flags & BG_NEEDS_TINT)
1034 {
1035 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1036 if (ximage)
1037 {
1038 /* our own client-side tinting */
1039 tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1040
1041 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1042 XDestroyImage (ximage);
1043 }
1044 }
1045 } /* server side rendering completed */
1046
1298 XFreeGC (dpy, gc); 1047 XFreeGC (dpy, gc);
1299
1300 if (!(bg_flags & BG_CLIENT_RENDER))
1301 {
1302 if ((bg_flags & BG_NEEDS_BLUR)
1303 && (bg_flags & BG_HAS_RENDER_CONV))
1304 {
1305 if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1306 result &= ~BG_NEEDS_BLUR;
1307 }
1308 if ((bg_flags & BG_NEEDS_TINT)
1309 && (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1310 {
1311 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1312 result &= ~BG_NEEDS_TINT;
1313 }
1314 } /* server side rendering completed */
1315 } 1048 }
1316 1049
1317 if (recoded_root_pmap != root_pixmap) 1050 if (recoded_root_pmap != root_pixmap)
1318 XFreePixmap (dpy, recoded_root_pmap); 1051 XFreePixmap (dpy, recoded_root_pmap);
1319 1052
1320 return result; 1053 return ret;
1321} 1054}
1322 1055
1323void 1056void
1324rxvt_term::bg_set_root_pixmap () 1057rxvt_term::bg_set_root_pixmap ()
1325{ 1058{
1329 1062
1330 root_pixmap = new_root_pixmap; 1063 root_pixmap = new_root_pixmap;
1331} 1064}
1332# endif /* ENABLE_TRANSPARENCY */ 1065# endif /* ENABLE_TRANSPARENCY */
1333 1066
1334#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1335static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1336# endif
1337
1338bool 1067bool
1339rxvt_term::bg_render () 1068rxvt_term::bg_render ()
1340{ 1069{
1341 unsigned long tr_flags = 0; 1070 bool transparent = false;
1342 1071
1343 bg_invalidate (); 1072 bg_invalidate ();
1344# ifdef ENABLE_TRANSPARENCY 1073# ifdef ENABLE_TRANSPARENCY
1345 if (bg_flags & BG_IS_TRANSPARENT) 1074 if (bg_flags & BG_IS_TRANSPARENT)
1346 { 1075 {
1347 /* we need to re-generate transparency pixmap in that case ! */ 1076 /* we need to re-generate transparency pixmap in that case ! */
1348 tr_flags = make_transparency_pixmap (); 1077 transparent = make_transparency_pixmap ();
1349 if (tr_flags == 0) 1078 if (transparent)
1350 return false;
1351 else if (!(tr_flags & BG_EFFECTS_FLAGS))
1352 bg_flags |= BG_IS_VALID; 1079 bg_flags |= BG_IS_VALID;
1353 } 1080 }
1354# endif 1081# endif
1355 1082
1356# ifdef BG_IMAGE_FROM_FILE 1083# ifdef BG_IMAGE_FROM_FILE
1357 if ((bg_flags & BG_IS_FROM_FILE) 1084 if (bg_flags & BG_IS_FROM_FILE)
1358 || (tr_flags & BG_EFFECTS_FLAGS))
1359 { 1085 {
1360 if (render_image (tr_flags)) 1086 if (render_image (transparent))
1361 bg_flags |= BG_IS_VALID; 1087 bg_flags |= BG_IS_VALID;
1362 }
1363# endif
1364
1365# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1366 XImage *result = NULL;
1367
1368 if (tr_flags && !(bg_flags & BG_IS_VALID))
1369 {
1370 result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1371 }
1372
1373 if (result)
1374 {
1375 /* our own client-side tinting */
1376 if (tr_flags & BG_NEEDS_TINT)
1377 {
1378 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1379 if (bg_flags & BG_TINT_SET)
1380 tint.get (c);
1381 shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1382 }
1383
1384 GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1385
1386 if (gc)
1387 {
1388 XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1389
1390 XFreeGC (dpy, gc);
1391 bg_flags |= BG_IS_VALID;
1392 }
1393
1394 XDestroyImage (result);
1395 } 1088 }
1396# endif 1089# endif
1397 1090
1398 if (!(bg_flags & BG_IS_VALID)) 1091 if (!(bg_flags & BG_IS_VALID))
1399 { 1092 {
1436#endif 1129#endif
1437} 1130}
1438 1131
1439#endif /* HAVE_BG_PIXMAP */ 1132#endif /* HAVE_BG_PIXMAP */
1440 1133
1441#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1134#ifdef ENABLE_TRANSPARENCY
1442/* taken from aterm-0.4.2 */ 1135/* based on code from aterm-0.4.2 */
1443 1136
1444static void 1137static inline void
1445shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1138fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1139{
1140 for (int i = 0; i <= mask >> sh; i++)
1141 {
1142 uint32_t tmp;
1143 tmp = i * high;
1144 tmp += (mask >> sh) * low;
1145 lookup[i] = (tmp / 0xffff) << sh;
1146 }
1147}
1148
1149void
1150rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
1446{ 1151{
1447 int sh_r, sh_g, sh_b; 1152 int sh_r, sh_g, sh_b;
1448 uint32_t mask_r, mask_g, mask_b; 1153 uint32_t mask_r, mask_g, mask_b;
1449 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1154 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1450 rgba low; 1155 unsigned short low;
1451 rgba high;
1452 int i;
1453 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1156 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1454 1157
1455 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1158 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1456 1159
1457 /* for convenience */ 1160 /* for convenience */
1516 break; 1219 break;
1517 default: 1220 default:
1518 return; /* we do not support this color depth */ 1221 return; /* we do not support this color depth */
1519 } 1222 }
1520 1223
1224 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1225
1226 if (bg_flags & BG_TINT_SET)
1227 tint.get (c);
1228
1521 /* prepare limits for color transformation (each channel is handled separately) */ 1229 /* prepare limits for color transformation (each channel is handled separately) */
1522 if (shade > 100) 1230 if (shade > 100)
1523 { 1231 {
1524 shade = 200 - shade;
1525
1526 high.r = c.r * shade / 100;
1527 high.g = c.g * shade / 100;
1528 high.b = c.b * shade / 100;
1529
1530 low.r = 65535 * (100 - shade) / 100; 1232 c.r = c.r * (200 - shade) / 100;
1531 low.g = 65535 * (100 - shade) / 100; 1233 c.g = c.g * (200 - shade) / 100;
1532 low.b = 65535 * (100 - shade) / 100; 1234 c.b = c.b * (200 - shade) / 100;
1235
1236 low = 0xffff * (shade - 100) / 100;
1533 } 1237 }
1534 else 1238 else
1535 { 1239 {
1536 high.r = c.r * shade / 100; 1240 c.r = c.r * shade / 100;
1537 high.g = c.g * shade / 100; 1241 c.g = c.g * shade / 100;
1538 high.b = c.b * shade / 100; 1242 c.b = c.b * shade / 100;
1539 1243
1540 low.r = low.g = low.b = 0; 1244 low = 0;
1541 } 1245 }
1542 1246
1543 /* fill our lookup tables */ 1247 /* fill our lookup tables */
1544 for (i = 0; i <= mask_r>>sh_r; i++) 1248 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1545 { 1249 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546 uint32_t tmp; 1250 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547 tmp = i * high.r;
1548 tmp += (mask_r>>sh_r) * low.r;
1549 lookup_r[i] = (tmp/65535)<<sh_r;
1550 }
1551 for (i = 0; i <= mask_g>>sh_g; i++)
1552 {
1553 uint32_t tmp;
1554 tmp = i * high.g;
1555 tmp += (mask_g>>sh_g) * low.g;
1556 lookup_g[i] = (tmp/65535)<<sh_g;
1557 }
1558 for (i = 0; i <= mask_b>>sh_b; i++)
1559 {
1560 uint32_t tmp;
1561 tmp = i * high.b;
1562 tmp += (mask_b>>sh_b) * low.b;
1563 lookup_b[i] = (tmp/65535)<<sh_b;
1564 }
1565 1251
1566 /* apply table to input image (replacing colors by newly calculated ones) */ 1252 /* apply table to input image (replacing colors by newly calculated ones) */
1567 if (ximage->bits_per_pixel == 32 1253 if (ximage->bits_per_pixel == 32
1568 && (ximage->depth == 24 || ximage->depth == 32) 1254 && (ximage->depth == 24 || ximage->depth == 32)
1569 && ximage->byte_order == host_byte_order) 1255 && ximage->byte_order == host_byte_order)
1599 } 1285 }
1600 } 1286 }
1601 1287
1602 free (lookup); 1288 free (lookup);
1603} 1289}
1604#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1290#endif /* ENABLE_TRANSPARENCY */

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