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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 2011 UTC vs.
Revision 1.206 by sf-exg, Thu Apr 12 10:22:50 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#ifndef RepeatPad
38#define RepeatPad True
39#endif
40
37#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
38void 60void
39rxvt_term::bg_destroy () 61rxvt_term::bg_destroy ()
40{ 62{
41#ifdef HAVE_AFTERIMAGE
42 if (original_asim)
43 safe_asimage_destroy (original_asim);
44 if (asv)
45 destroy_asvisual (asv, 0);
46 if (asimman)
47 destroy_image_manager (asimman, 0);
48#endif
49
50#ifdef HAVE_PIXBUF 63#ifdef HAVE_PIXBUF
51 if (pixbuf) 64 if (pixbuf)
52 g_object_unref (pixbuf); 65 g_object_unref (pixbuf);
53#endif 66#endif
54 67
107 120
108 return false; 121 return false;
109} 122}
110 123
111# ifdef BG_IMAGE_FROM_FILE 124# ifdef BG_IMAGE_FROM_FILE
112static inline bool
113check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114{
115 if (geom_flags & flag)
116 {
117 if (new_value > 1000)
118 new_value = 1000;
119 if (new_value != scale)
120 {
121 scale = new_value;
122 return true;
123 }
124 }
125 return false;
126}
127
128static inline bool
129check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130{
131 if (geom_flags & flag)
132 {
133 if (new_value < -100)
134 new_value = -100;
135 else if (new_value > 200)
136 new_value = 200;
137 if (new_value != align)
138 {
139 align = new_value;
140 return true;
141 }
142 }
143 return false;
144}
145
146static inline int 125static inline int
147make_align_position (int align, int window_size, int image_size) 126make_align_position (int align, int window_size, int image_size)
148{ 127{
149 int diff = window_size - image_size;
150 int smaller = min (image_size, window_size);
151
152 if (align >= 0 && align <= 100) 128 if (align >= 0 && align <= 100)
153 return diff * align / 100; 129 return lerp (0, window_size - image_size, align);
154 else if (align > 100 && align <= 200) 130 else if (align > 100)
155 return (align - 100) * smaller / 100 + window_size - smaller; 131 return lerp (window_size - image_size, window_size, align - 100);
156 else if (align >= -100 && align < 0) 132 else
157 return (align + 100) * smaller / 100 - image_size; 133 return lerp (-image_size, 0, align + 100);
158 return 0;
159} 134}
160 135
161static inline int 136static inline int
162make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 137make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163{ 138{
169 src_pos = -pos; 144 src_pos = -pos;
170 dst_pos = 0; 145 dst_pos = 0;
171 dst_size += pos; 146 dst_size += pos;
172 } 147 }
173 148
174 if (dst_pos + dst_size > target_size)
175 dst_size = target_size - dst_pos; 149 min_it (dst_size, target_size - dst_pos);
176 return src_pos; 150 return src_pos;
177} 151}
178 152
179bool 153bool
180rxvt_term::bg_set_geometry (const char *geom, bool update) 154rxvt_term::bg_set_geometry (const char *geom, bool update)
181{ 155{
182 bool changed = false; 156 bool changed = false;
183 int geom_flags = 0; 157 int geom_flags = 0;
184 int x = 0, y = 0; 158 int x = h_align;
159 int y = v_align;
185 unsigned int w = 0, h = 0; 160 unsigned int w = h_scale;
186 unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS; 161 unsigned int h = v_scale;
162 unsigned long new_flags = 0;
187 163
188 if (geom == NULL) 164 if (geom == NULL)
189 return false; 165 return false;
190 166
191 if (geom[0]) 167 if (geom[0])
201 x = y = 0; 177 x = y = 0;
202 geom_flags = WidthValue|HeightValue|XValue|YValue; 178 geom_flags = WidthValue|HeightValue|XValue|YValue;
203 } 179 }
204 else if (!strcasecmp (arr[i], "style=aspect-stretched")) 180 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205 { 181 {
206 new_flags = BG_PROP_SCALE; 182 new_flags = BG_KEEP_ASPECT;
207 w = h = windowScale; 183 w = h = windowScale;
208 x = y = centerAlign; 184 x = y = centerAlign;
209 geom_flags = WidthValue|HeightValue|XValue|YValue; 185 geom_flags = WidthValue|HeightValue|XValue|YValue;
210 } 186 }
211 else if (!strcasecmp (arr[i], "style=stretched")) 187 else if (!strcasecmp (arr[i], "style=stretched"))
227 w = h = noScale; 203 w = h = noScale;
228 geom_flags = WidthValue|HeightValue; 204 geom_flags = WidthValue|HeightValue;
229 } 205 }
230 else if (!strcasecmp (arr[i], "op=tile")) 206 else if (!strcasecmp (arr[i], "op=tile"))
231 new_flags |= BG_TILE; 207 new_flags |= BG_TILE;
232 else if (!strcasecmp (arr[i], "op=pscale")) 208 else if (!strcasecmp (arr[i], "op=keep-aspect"))
233 new_flags |= BG_PROP_SCALE; 209 new_flags |= BG_KEEP_ASPECT;
234 else if (!strcasecmp (arr[i], "op=root")) 210 else if (!strcasecmp (arr[i], "op=root-align"))
235 new_flags |= BG_ROOT_ALIGN; 211 new_flags |= BG_ROOT_ALIGN;
236 212
237 // deprecated 213 // deprecated
238 else if (!strcasecmp (arr[i], "tile")) 214 else if (!strcasecmp (arr[i], "tile"))
239 { 215 {
241 w = h = noScale; 217 w = h = noScale;
242 geom_flags |= WidthValue|HeightValue; 218 geom_flags |= WidthValue|HeightValue;
243 } 219 }
244 else if (!strcasecmp (arr[i], "propscale")) 220 else if (!strcasecmp (arr[i], "propscale"))
245 { 221 {
246 new_flags |= BG_PROP_SCALE; 222 new_flags |= BG_KEEP_ASPECT;
223 w = h = windowScale;
224 geom_flags |= WidthValue|HeightValue;
247 } 225 }
248 else if (!strcasecmp (arr[i], "hscale")) 226 else if (!strcasecmp (arr[i], "hscale"))
249 { 227 {
250 new_flags |= BG_TILE; 228 new_flags |= BG_TILE;
251 w = windowScale; 229 w = windowScale;
281 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h); 259 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282 } /* done parsing ops */ 260 } /* done parsing ops */
283 261
284 rxvt_free_strsplit (arr); 262 rxvt_free_strsplit (arr);
285 } 263 }
264
265 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
286 266
287 if (!update) 267 if (!update)
288 { 268 {
289 if (!(geom_flags & XValue)) 269 if (!(geom_flags & XValue))
290 x = y = defaultAlign; 270 x = y = defaultAlign;
295 w = h = defaultScale; 275 w = h = defaultScale;
296 else if (!(geom_flags & HeightValue)) 276 else if (!(geom_flags & HeightValue))
297 h = w; 277 h = w;
298 else if (!(geom_flags & WidthValue)) 278 else if (!(geom_flags & WidthValue))
299 w = h; 279 w = h;
300
301 geom_flags |= WidthValue|HeightValue|XValue|YValue;
302 } 280 }
303 281
304 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w) 282 min_it (w, 1000);
305 || check_set_scale_value (geom_flags, HeightValue, v_scale, h) 283 min_it (h, 1000);
306 || check_set_align_value (geom_flags, XValue, h_align, x) 284 clamp_it (x, -100, 200);
307 || check_set_align_value (geom_flags, YValue, v_align, y)) 285 clamp_it (y, -100, 200);
308 changed = true;
309 286
310 if (new_flags != bg_flags) 287 if (bg_flags != new_flags
288 || h_scale != w
289 || v_scale != h
290 || h_align != x
291 || v_align != y)
311 { 292 {
312 bg_flags = new_flags; 293 bg_flags = new_flags;
294 h_scale = w;
295 v_scale = h;
296 h_align = x;
297 v_align = y;
313 changed = true; 298 changed = true;
314 } 299 }
315 300
316 return changed; 301 return changed;
317} 302}
323 int target_height = szHint.height; 308 int target_height = szHint.height;
324 309
325 w = h_scale * target_width / 100; 310 w = h_scale * target_width / 100;
326 h = v_scale * target_height / 100; 311 h = v_scale * target_height / 100;
327 312
328 if (bg_flags & BG_PROP_SCALE) 313 if (bg_flags & BG_KEEP_ASPECT)
329 { 314 {
330 float scale = (float)w / image_width; 315 float scale = (float)w / image_width;
331 min_it (scale, (float)h / image_height); 316 min_it (scale, (float)h / image_height);
332 w = image_width * scale + 0.5; 317 w = image_width * scale + 0.5;
333 h = image_height * scale + 0.5; 318 h = image_height * scale + 0.5;
345 { 330 {
346 x = make_align_position (h_align, target_width, w); 331 x = make_align_position (h_align, target_width, w);
347 y = make_align_position (v_align, target_height, h); 332 y = make_align_position (v_align, target_height, h);
348 } 333 }
349 334
350 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
351 if (!(bg_flags & BG_TILE) 335 if (!(bg_flags & BG_TILE)
352 || h_scale || v_scale 336 || h_scale || v_scale
353 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align)) 337 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
354 || w > target_width || h > target_height) 338 || image_width > target_width || image_height > target_height)
355 bg_flags |= BG_IS_SIZE_SENSITIVE; 339 bg_flags |= BG_IS_SIZE_SENSITIVE;
356}
357
358# ifdef HAVE_AFTERIMAGE
359bool
360rxvt_term::render_image (unsigned long tr_flags)
361{
362 init_asv ();
363
364 ASImage *background = NULL;
365 ARGB32 background_tint = TINT_LEAVE_SAME;
366
367# ifdef ENABLE_TRANSPARENCY
368 if (tr_flags)
369 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
370
371 if (tr_flags & BG_NEEDS_TINT)
372 {
373 ShadingInfo as_shade;
374 as_shade.shading = shade;
375
376 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
377 if (bg_flags & BG_TINT_SET)
378 tint.get (c);
379 as_shade.tintColor.red = c.r;
380 as_shade.tintColor.green = c.g;
381 as_shade.tintColor.blue = c.b;
382
383 background_tint = shading2tint32 (&as_shade);
384 }
385
386 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
387 {
388 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
389 ASA_XImage,
390 100, ASIMAGE_QUALITY_DEFAULT);
391 if (tmp)
392 {
393 destroy_asimage (&background);
394 background = tmp;
395 }
396 }
397# endif
398
399 ASImage *result = 0;
400
401 int target_width = szHint.width;
402 int target_height = szHint.height;
403 int new_pmap_width = target_width;
404 int new_pmap_height = target_height;
405
406 int x = 0;
407 int y = 0;
408 int w = 0;
409 int h = 0;
410
411 if (original_asim)
412 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
413
414 if (!original_asim
415 || (!(bg_flags & BG_ROOT_ALIGN)
416 && (x >= target_width
417 || y >= target_height
418 || x + w <= 0
419 || y + h <= 0)))
420 {
421 if (background)
422 {
423 new_pmap_width = background->width;
424 new_pmap_height = background->height;
425 result = background;
426
427 if (background_tint != TINT_LEAVE_SAME)
428 {
429 ASImage *tmp = tile_asimage (asv, background, 0, 0,
430 target_width, target_height, background_tint,
431 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
432 if (tmp)
433 result = tmp;
434 }
435 }
436 else
437 new_pmap_width = new_pmap_height = 0;
438 }
439 else 340 else
440 { 341 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
441 result = original_asim;
442
443 if (w != original_asim->width
444 || h != original_asim->height)
445 {
446 result = scale_asimage (asv, original_asim,
447 w, h,
448 ASA_XImage,
449 100, ASIMAGE_QUALITY_DEFAULT);
450 }
451
452 if (background == NULL)
453 {
454 if (bg_flags & BG_TILE)
455 {
456 /* if tiling - pixmap has to be sized exactly as the image,
457 but there is no need to make it bigger than the window! */
458 new_pmap_width = min (result->width, target_width);
459 new_pmap_height = min (result->height, target_height);
460
461 /* we also need to tile our image in both directions */
462 ASImage *tmp = tile_asimage (asv, result,
463 (int)result->width - x,
464 (int)result->height - y,
465 new_pmap_width,
466 new_pmap_height,
467 TINT_LEAVE_SAME, ASA_XImage,
468 100, ASIMAGE_QUALITY_DEFAULT);
469 if (tmp)
470 {
471 if (result != original_asim)
472 destroy_asimage (&result);
473
474 result = tmp;
475 }
476 }
477 }
478 else
479 {
480 /* if blending background and image - pixmap has to be sized same as target window */
481 ASImageLayer *layers = create_image_layers (2);
482
483 layers[0].im = background;
484 layers[0].clip_width = target_width;
485 layers[0].clip_height = target_height;
486 layers[0].tint = background_tint;
487 layers[1].im = result;
488
489 if (bg_flags & BG_TILE)
490 {
491 /* tile horizontally */
492 while (x > 0) x -= (int)result->width;
493 layers[1].dst_x = x;
494 layers[1].clip_width = result->width+target_width;
495 }
496 else
497 {
498 /* clip horizontally */
499 layers[1].dst_x = x;
500 layers[1].clip_width = result->width;
501 }
502
503 if (bg_flags & BG_TILE)
504 {
505 while (y > 0) y -= (int)result->height;
506 layers[1].dst_y = y;
507 layers[1].clip_height = result->height + target_height;
508 }
509 else
510 {
511 layers[1].dst_y = y;
512 layers[1].clip_height = result->height;
513 }
514
515 if (rs[Rs_blendtype])
516 {
517 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
518 if (layers[1].merge_scanlines == NULL)
519 layers[1].merge_scanlines = alphablend_scanlines;
520 }
521
522 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
523 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
524
525 if (tmp)
526 {
527 if (result != original_asim)
528 destroy_asimage (&result);
529
530 result = tmp;
531 }
532
533 free (layers);
534 }
535 }
536
537 bool ret = false;
538
539 if (result)
540 {
541 XGCValues gcv;
542 GC gc;
543
544 /* create Pixmap */
545 if (bg_pixmap == None
546 || bg_pmap_width != new_pmap_width
547 || bg_pmap_height != new_pmap_height)
548 {
549 if (bg_pixmap)
550 XFreePixmap (dpy, bg_pixmap);
551 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
552 bg_pmap_width = new_pmap_width;
553 bg_pmap_height = new_pmap_height;
554 }
555 /* fill with background color (if result's not completely overlapping it) */
556 gcv.foreground = pix_colors[Color_bg];
557 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
558
559 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
560 int dst_width = result->width, dst_height = result->height;
561 if (background == NULL)
562 {
563 if (!(bg_flags & BG_TILE))
564 {
565 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
566 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
567 }
568
569 if (dst_x > 0 || dst_y > 0
570 || dst_x + dst_width < new_pmap_width
571 || dst_y + dst_height < new_pmap_height)
572 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
573 }
574
575 /* put result on pixmap */
576 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
577 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
578
579 if (result != background && result != original_asim)
580 destroy_asimage (&result);
581
582 XFreeGC (dpy, gc);
583
584 ret = true;
585 }
586
587 if (background)
588 destroy_asimage (&background);
589
590 return ret;
591} 342}
592# endif /* HAVE_AFTERIMAGE */
593 343
594# ifdef HAVE_PIXBUF 344# ifdef HAVE_PIXBUF
595bool 345bool
596rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc, 346rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
597 int src_x, int src_y, int dst_x, int dst_y, 347 int src_x, int src_y, int dst_x, int dst_y,
674 XDestroyImage (ximage); 424 XDestroyImage (ximage);
675 return true; 425 return true;
676} 426}
677 427
678bool 428bool
679rxvt_term::render_image (unsigned long tr_flags) 429rxvt_term::render_image (bool transparent)
680{ 430{
681 if (!pixbuf) 431 if (!pixbuf)
682 return false; 432 return false;
683 433
684 if (tr_flags 434 if (transparent
685 && !(bg_flags & BG_HAS_RENDER)) 435 && !(bg_flags & BG_HAS_RENDER))
686 return false; 436 return false;
687 437
688 GdkPixbuf *result; 438 GdkPixbuf *result;
689 439
729 Pixmap root_pmap; 479 Pixmap root_pmap;
730 480
731 image_width = gdk_pixbuf_get_width (result); 481 image_width = gdk_pixbuf_get_width (result);
732 image_height = gdk_pixbuf_get_height (result); 482 image_height = gdk_pixbuf_get_height (result);
733 483
734 if (tr_flags) 484 if (transparent)
735 { 485 {
736 root_pmap = bg_pixmap; 486 root_pmap = bg_pixmap;
737 bg_pixmap = None; 487 bg_pixmap = None;
738 } 488 }
739 else 489 else
797 dst_x, dst_y, 547 dst_x, dst_y,
798 dst_width, dst_height); 548 dst_width, dst_height);
799 } 549 }
800 550
801#if XRENDER 551#if XRENDER
802 if (tr_flags) 552 if (transparent)
803 { 553 {
804 XRenderPictureAttributes pa;
805
806 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 554 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
555
807 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 556 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
808 557
809 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
810 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 558 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
811 559
812 pa.repeat = True; 560 Picture mask = create_xrender_mask (dpy, vt, False, False);
813 Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
814 XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
815 Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
816 XFreePixmap (dpy, mask_pmap);
817 561
818 XRenderColor mask_c; 562 XRenderColor mask_c;
819 563
820 mask_c.alpha = 0x8000; 564 mask_c.alpha = 0x8000;
821 mask_c.red = 0; 565 mask_c.red =
822 mask_c.green = 0; 566 mask_c.green =
823 mask_c.blue = 0; 567 mask_c.blue = 0;
824 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 568 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
569
825 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height); 570 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
826 571
827 XRenderFreePicture (dpy, src); 572 XRenderFreePicture (dpy, src);
828 XRenderFreePicture (dpy, dst); 573 XRenderFreePicture (dpy, dst);
829 XRenderFreePicture (dpy, mask); 574 XRenderFreePicture (dpy, mask);
836 } 581 }
837 582
838 if (result != pixbuf) 583 if (result != pixbuf)
839 g_object_unref (result); 584 g_object_unref (result);
840 585
841 if (tr_flags) 586 if (transparent)
842 XFreePixmap (dpy, root_pmap); 587 XFreePixmap (dpy, root_pmap);
843 588
844 return ret; 589 return ret;
845} 590}
846# endif /* HAVE_PIXBUF */ 591# endif /* HAVE_PIXBUF */
861 memcpy (f, file, len); 606 memcpy (f, file, len);
862 f[len] = '\0'; 607 f[len] = '\0';
863 file = f; 608 file = f;
864 } 609 }
865 610
866# ifdef HAVE_AFTERIMAGE
867 if (!asimman)
868 asimman = create_generic_imageman (rs[Rs_path]);
869 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
870 if (image)
871 {
872 if (original_asim)
873 safe_asimage_destroy (original_asim);
874 original_asim = image;
875 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
876 ret = true;
877 }
878# endif
879
880# ifdef HAVE_PIXBUF 611# ifdef HAVE_PIXBUF
881 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 612 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
882 if (image) 613 if (image)
883 { 614 {
884 if (pixbuf) 615 if (pixbuf)
941 { 672 {
942 changed = true; 673 changed = true;
943 v_blurRadius = vr; 674 v_blurRadius = vr;
944 } 675 }
945 676
946 if (v_blurRadius == 0 && h_blurRadius == 0) 677 if (h_blurRadius && v_blurRadius)
678 bg_flags |= BG_NEEDS_BLUR;
679 else
947 bg_flags &= ~BG_NEEDS_BLUR; 680 bg_flags &= ~BG_NEEDS_BLUR;
948 else
949 bg_flags |= BG_NEEDS_BLUR;
950 681
951 return changed; 682 return changed;
952} 683}
953 684
954void 685void
955rxvt_term::set_tint_shade_flags () 686rxvt_term::set_tint_shade_flags ()
956{ 687{
957 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 688 if (shade != 100 || (bg_flags & BG_TINT_SET))
958 bool has_shade = shade != 100; 689 bg_flags |= BG_NEEDS_TINT;
690 else
691 bg_flags &= ~BG_NEEDS_TINT;
692}
959 693
694bool
695rxvt_term::bg_set_tint (rxvt_color &new_tint)
696{
697 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
698 {
699 tint = new_tint;
960 bg_flags &= ~BG_TINT_FLAGS; 700 bg_flags |= BG_TINT_SET;
961 701
962 if (bg_flags & BG_TINT_SET) 702 rgba c;
963 {
964 tint.get (c); 703 tint.get (c);
965 if (!has_shade
966 && (c.r <= 0x00ff || c.r >= 0xff00) 704 if ((c.r <= 0x00ff || c.r >= 0xff00)
967 && (c.g <= 0x00ff || c.g >= 0xff00) 705 && (c.g <= 0x00ff || c.g >= 0xff00)
968 && (c.b <= 0x00ff || c.b >= 0xff00)) 706 && (c.b <= 0x00ff || c.b >= 0xff00))
969 bg_flags |= BG_TINT_BITAND; 707 bg_flags |= BG_TINT_BITAND;
970 } 708 else
971
972 if (has_shade || (bg_flags & BG_TINT_SET))
973 bg_flags |= BG_NEEDS_TINT;
974}
975
976bool
977rxvt_term::bg_set_tint (rxvt_color &new_tint)
978{
979 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
980 {
981 tint = new_tint;
982 bg_flags |= BG_TINT_SET; 709 bg_flags &= ~BG_TINT_BITAND;
710
983 set_tint_shade_flags (); 711 set_tint_shade_flags ();
984 return true; 712 return true;
985 } 713 }
986 714
987 return false; 715 return false;
988} 716}
989 717
990bool 718bool
991rxvt_term::bg_set_shade (const char *shade_str) 719rxvt_term::bg_set_shade (const char *shade_str)
992{ 720{
993 int new_shade = (shade_str) ? atoi (shade_str) : 100; 721 int new_shade = atoi (shade_str);
994 722
995 clamp_it (new_shade, -100, 200); 723 clamp_it (new_shade, -100, 200);
996 if (new_shade < 0) 724 if (new_shade < 0)
997 new_shade = 200 - (100 + new_shade); 725 new_shade = 200 - (100 + new_shade);
998 726
1028 params[i+2] = XDoubleToFixed (kernel[i] / sum); 756 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1029} 757}
1030#endif 758#endif
1031 759
1032bool 760bool
1033rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 761rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1034{ 762{
1035 bool ret = false; 763 bool ret = false;
1036#if XRENDER 764#if XRENDER
765 if (!(bg_flags & BG_HAS_RENDER_CONV))
766 return false;
767
1037 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 768 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1038 double *kernel = (double *)malloc (size * sizeof (double)); 769 double *kernel = (double *)malloc (size * sizeof (double));
1039 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 770 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1040 771
1041 XRenderPictureAttributes pa; 772 XRenderPictureAttributes pa;
1042 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 773 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1043 774
775 pa.repeat = RepeatPad;
1044 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 776 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
777 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1045 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 778 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
779 XFreePixmap (dpy, tmp);
1046 780
1047 if (kernel && params) 781 if (kernel && params)
1048 { 782 {
1049 if (h_blurRadius)
1050 {
1051 size = h_blurRadius * 2 + 1; 783 size = h_blurRadius * 2 + 1;
1052 get_gaussian_kernel (h_blurRadius, size, kernel, params); 784 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1053 785
1054 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 786 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1055 XRenderComposite (dpy, 787 XRenderComposite (dpy,
1056 PictOpSrc, 788 PictOpSrc,
1057 src, 789 src,
1058 None, 790 None,
1059 dst, 791 dst,
1060 0, 0, 792 0, 0,
1061 0, 0, 793 0, 0,
1062 0, 0, 794 0, 0,
1063 width, height); 795 width, height);
1064 }
1065 796
1066 if (v_blurRadius) 797 ::swap (src, dst);
1067 { 798
1068 size = v_blurRadius * 2 + 1; 799 size = v_blurRadius * 2 + 1;
1069 get_gaussian_kernel (v_blurRadius, size, kernel, params); 800 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1070 ::swap (params[0], params[1]); 801 ::swap (params[0], params[1]);
1071 802
1072 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 803 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073 XRenderComposite (dpy, 804 XRenderComposite (dpy,
1074 PictOpSrc, 805 PictOpSrc,
1075 src, 806 src,
1076 None, 807 None,
1077 dst, 808 dst,
1078 0, 0, 809 0, 0,
1079 0, 0, 810 0, 0,
1080 0, 0, 811 0, 0,
1081 width, height); 812 width, height);
1082 }
1083 813
1084 ret = true; 814 ret = true;
1085 } 815 }
1086 816
1087 free (kernel); 817 free (kernel);
1095bool 825bool
1096rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 826rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1097{ 827{
1098 bool ret = false; 828 bool ret = false;
1099 829
1100 if (bg_flags & BG_TINT_BITAND) 830 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1101 { 831 {
1102 XGCValues gcv; 832 XGCValues gcv;
1103 GC gc; 833 GC gc;
1104 834
1105 /* In this case we can tint image server-side getting significant 835 /* In this case we can tint image server-side getting significant
1114 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 844 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1115 ret = true; 845 ret = true;
1116 XFreeGC (dpy, gc); 846 XFreeGC (dpy, gc);
1117 } 847 }
1118 } 848 }
1119 else
1120 {
1121# if XRENDER 849# if XRENDER
850 else if (bg_flags & BG_HAS_RENDER)
851 {
1122 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 852 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1123 853
1124 if (bg_flags & BG_TINT_SET) 854 if (bg_flags & BG_TINT_SET)
1125 tint.get (c); 855 tint.get (c);
1126 856
1135 c.r = c.r * (200 - shade) / 100; 865 c.r = c.r * (200 - shade) / 100;
1136 c.g = c.g * (200 - shade) / 100; 866 c.g = c.g * (200 - shade) / 100;
1137 c.b = c.b * (200 - shade) / 100; 867 c.b = c.b * (200 - shade) / 100;
1138 } 868 }
1139 869
1140 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1141 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 870 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1142 XRenderPictureAttributes pa;
1143 871
1144 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 872 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1145 873
1146 pa.repeat = True; 874 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1147 875
1148 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 876 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1149 Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1150 XFreePixmap (dpy, overlay_pmap);
1151
1152 pa.component_alpha = True;
1153 Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1154 Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1155 XFreePixmap (dpy, mask_pmap);
1156 877
1157 XRenderColor mask_c; 878 XRenderColor mask_c;
1158 879
1159 mask_c.alpha = 0xffff; 880 mask_c.alpha = 0xffff;
1160 mask_c.red = 881 mask_c.red =
1165 mask_c.alpha = 0; 886 mask_c.alpha = 0;
1166 mask_c.red = 0xffff - c.r; 887 mask_c.red = 0xffff - c.r;
1167 mask_c.green = 0xffff - c.g; 888 mask_c.green = 0xffff - c.g;
1168 mask_c.blue = 0xffff - c.b; 889 mask_c.blue = 0xffff - c.b;
1169 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1); 890 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
891
1170 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height); 892 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1171 893
1172 if (shade > 100) 894 if (shade > 100)
1173 { 895 {
1174 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1175 mask_c.alpha = 0; 896 mask_c.alpha = 0;
897 mask_c.red =
898 mask_c.green =
899 mask_c.blue = 0xffff * (shade - 100) / 100;
1176 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 900 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1177 901
1178 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); 902 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1179 } 903 }
1180 904
1181 ret = true; 905 ret = true;
1182 906
1183 XRenderFreePicture (dpy, mask_pic); 907 XRenderFreePicture (dpy, mask_pic);
1184 XRenderFreePicture (dpy, overlay_pic); 908 XRenderFreePicture (dpy, overlay_pic);
1185 XRenderFreePicture (dpy, back_pic); 909 XRenderFreePicture (dpy, back_pic);
910 }
1186# endif 911# endif
1187 }
1188 912
1189 return ret; 913 return ret;
1190} 914}
1191 915
1192/* 916/*
1193 * Builds a pixmap of the same size as the terminal window that contains 917 * Builds a pixmap of the same size as the terminal window that contains
1194 * the tiled portion of the root pixmap that is supposed to be covered by 918 * the tiled portion of the root pixmap that is supposed to be covered by
1195 * our window. 919 * our window.
1196 */ 920 */
1197unsigned long 921bool
1198rxvt_term::make_transparency_pixmap () 922rxvt_term::make_transparency_pixmap ()
1199{ 923{
1200 unsigned long result = 0; 924 bool ret = false;
1201 925
1202 /* root dimensions may change from call to call - but Display structure should 926 /* root dimensions may change from call to call - but Display structure should
1203 * be always up-to-date, so let's use it : 927 * be always up-to-date, so let's use it :
1204 */ 928 */
1205 int screen = display->screen; 929 int screen = display->screen;
1243#if XRENDER 967#if XRENDER
1244 if (bg_flags & BG_HAS_RENDER) 968 if (bg_flags & BG_HAS_RENDER)
1245 { 969 {
1246 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth); 970 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1247 971
1248 XRenderPictureAttributes pa;
1249
1250 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 972 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1251 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 973 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1252 974
1253 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 975 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1254 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 976 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1255 977
1256 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 978 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1257 979
1258 XRenderFreePicture (dpy, src); 980 XRenderFreePicture (dpy, src);
1259 XRenderFreePicture (dpy, dst); 981 XRenderFreePicture (dpy, dst);
1276 bg_pmap_width = window_width; 998 bg_pmap_width = window_width;
1277 bg_pmap_height = window_height; 999 bg_pmap_height = window_height;
1278 } 1000 }
1279 1001
1280 /* straightforward pixmap copy */ 1002 /* straightforward pixmap copy */
1281 while (sx < 0) sx += root_width; 1003 while (sx < 0) sx += root_pmap_width;
1282 while (sy < 0) sy += root_height; 1004 while (sy < 0) sy += root_pmap_height;
1283 1005
1284 gcv.tile = recoded_root_pmap; 1006 gcv.tile = recoded_root_pmap;
1285 gcv.fill_style = FillTiled; 1007 gcv.fill_style = FillTiled;
1286 gcv.ts_x_origin = -sx; 1008 gcv.ts_x_origin = -sx;
1287 gcv.ts_y_origin = -sy; 1009 gcv.ts_y_origin = -sy;
1288 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1010 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1289 1011
1290 if (gc) 1012 if (gc)
1291 { 1013 {
1292 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1014 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1293 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1015 ret = true;
1016 unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1017
1018 if (!(bg_flags & BG_CLIENT_RENDER))
1019 {
1020 if (bg_flags & BG_NEEDS_BLUR)
1021 {
1022 if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1023 tr_flags &= ~BG_NEEDS_BLUR;
1024 }
1025 if (bg_flags & BG_NEEDS_TINT)
1026 {
1027 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1028 tr_flags &= ~BG_NEEDS_TINT;
1029 }
1030 if (tr_flags & BG_NEEDS_TINT)
1031 {
1032 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1033 if (ximage)
1034 {
1035 /* our own client-side tinting */
1036 tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1037
1038 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1039 XDestroyImage (ximage);
1040 }
1041 }
1042 } /* server side rendering completed */
1043
1294 XFreeGC (dpy, gc); 1044 XFreeGC (dpy, gc);
1295
1296 if (!(bg_flags & BG_CLIENT_RENDER))
1297 {
1298 if ((bg_flags & BG_NEEDS_BLUR)
1299 && (bg_flags & BG_HAS_RENDER_CONV))
1300 {
1301 if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1302 result &= ~BG_NEEDS_BLUR;
1303 }
1304 if ((bg_flags & BG_NEEDS_TINT)
1305 && (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1306 {
1307 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1308 result &= ~BG_NEEDS_TINT;
1309 }
1310 } /* server side rendering completed */
1311 } 1045 }
1312 1046
1313 if (recoded_root_pmap != root_pixmap) 1047 if (recoded_root_pmap != root_pixmap)
1314 XFreePixmap (dpy, recoded_root_pmap); 1048 XFreePixmap (dpy, recoded_root_pmap);
1315 1049
1316 return result; 1050 return ret;
1317} 1051}
1318 1052
1319void 1053void
1320rxvt_term::bg_set_root_pixmap () 1054rxvt_term::bg_set_root_pixmap ()
1321{ 1055{
1325 1059
1326 root_pixmap = new_root_pixmap; 1060 root_pixmap = new_root_pixmap;
1327} 1061}
1328# endif /* ENABLE_TRANSPARENCY */ 1062# endif /* ENABLE_TRANSPARENCY */
1329 1063
1330#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1331static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1332# endif
1333
1334bool 1064bool
1335rxvt_term::bg_render () 1065rxvt_term::bg_render ()
1336{ 1066{
1337 unsigned long tr_flags = 0; 1067 bool transparent = false;
1338 1068
1339 bg_invalidate (); 1069 bg_invalidate ();
1340# ifdef ENABLE_TRANSPARENCY 1070# ifdef ENABLE_TRANSPARENCY
1341 if (bg_flags & BG_IS_TRANSPARENT) 1071 if (bg_flags & BG_IS_TRANSPARENT)
1342 { 1072 {
1343 /* we need to re-generate transparency pixmap in that case ! */ 1073 /* we need to re-generate transparency pixmap in that case ! */
1344 tr_flags = make_transparency_pixmap (); 1074 transparent = make_transparency_pixmap ();
1345 if (tr_flags == 0) 1075 if (transparent)
1346 return false;
1347 bg_flags |= BG_IS_VALID; 1076 bg_flags |= BG_IS_VALID;
1348 } 1077 }
1349# endif 1078# endif
1350 1079
1351# ifdef BG_IMAGE_FROM_FILE 1080# ifdef BG_IMAGE_FROM_FILE
1352 if ((bg_flags & BG_IS_FROM_FILE) 1081 if (bg_flags & BG_IS_FROM_FILE)
1353 || (tr_flags & BG_EFFECTS_FLAGS))
1354 { 1082 {
1355 if (render_image (tr_flags)) 1083 if (render_image (transparent))
1356 bg_flags |= BG_IS_VALID; 1084 bg_flags |= BG_IS_VALID;
1357 }
1358# endif
1359
1360# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1361 XImage *result = NULL;
1362
1363 if (tr_flags & BG_NEEDS_TINT)
1364 {
1365 result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1366 }
1367
1368 if (result)
1369 {
1370 /* our own client-side tinting */
1371 //if (tr_flags & BG_NEEDS_TINT)
1372 if (1)
1373 {
1374 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1375 if (bg_flags & BG_TINT_SET)
1376 tint.get (c);
1377 shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1378 }
1379
1380 GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1381
1382 if (gc)
1383 {
1384 XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1385
1386 XFreeGC (dpy, gc);
1387 }
1388
1389 XDestroyImage (result);
1390 } 1085 }
1391# endif 1086# endif
1392 1087
1393 if (!(bg_flags & BG_IS_VALID)) 1088 if (!(bg_flags & BG_IS_VALID))
1394 { 1089 {
1431#endif 1126#endif
1432} 1127}
1433 1128
1434#endif /* HAVE_BG_PIXMAP */ 1129#endif /* HAVE_BG_PIXMAP */
1435 1130
1436#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1131#ifdef ENABLE_TRANSPARENCY
1437/* based on code from aterm-0.4.2 */ 1132/* based on code from aterm-0.4.2 */
1438 1133
1439static void 1134static inline void
1440shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1135fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1136{
1137 for (int i = 0; i <= mask >> sh; i++)
1138 {
1139 uint32_t tmp;
1140 tmp = i * high;
1141 tmp += (mask >> sh) * low;
1142 lookup[i] = (tmp / 0xffff) << sh;
1143 }
1144}
1145
1146void
1147rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
1441{ 1148{
1442 int sh_r, sh_g, sh_b; 1149 int sh_r, sh_g, sh_b;
1443 uint32_t mask_r, mask_g, mask_b; 1150 uint32_t mask_r, mask_g, mask_b;
1444 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1151 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445 rgba low; 1152 unsigned short low;
1446 rgba high;
1447 int i;
1448 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1153 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449 1154
1450 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1155 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1451 1156
1452 /* for convenience */ 1157 /* for convenience */
1511 break; 1216 break;
1512 default: 1217 default:
1513 return; /* we do not support this color depth */ 1218 return; /* we do not support this color depth */
1514 } 1219 }
1515 1220
1221 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1222
1223 if (bg_flags & BG_TINT_SET)
1224 tint.get (c);
1225
1516 /* prepare limits for color transformation (each channel is handled separately) */ 1226 /* prepare limits for color transformation (each channel is handled separately) */
1517 if (shade > 100) 1227 if (shade > 100)
1518 { 1228 {
1519 shade = 200 - shade;
1520
1521 high.r = c.r * shade / 100;
1522 high.g = c.g * shade / 100;
1523 high.b = c.b * shade / 100;
1524
1525 low.r = 65535 * (100 - shade) / 100; 1229 c.r = c.r * (200 - shade) / 100;
1526 low.g = 65535 * (100 - shade) / 100; 1230 c.g = c.g * (200 - shade) / 100;
1527 low.b = 65535 * (100 - shade) / 100; 1231 c.b = c.b * (200 - shade) / 100;
1232
1233 low = 0xffff * (shade - 100) / 100;
1528 } 1234 }
1529 else 1235 else
1530 { 1236 {
1531 high.r = c.r * shade / 100; 1237 c.r = c.r * shade / 100;
1532 high.g = c.g * shade / 100; 1238 c.g = c.g * shade / 100;
1533 high.b = c.b * shade / 100; 1239 c.b = c.b * shade / 100;
1534 1240
1535 low.r = low.g = low.b = 0; 1241 low = 0;
1536 } 1242 }
1537 1243
1538 /* fill our lookup tables */ 1244 /* fill our lookup tables */
1539 for (i = 0; i <= mask_r>>sh_r; i++) 1245 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540 { 1246 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541 uint32_t tmp; 1247 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542 tmp = i * high.r;
1543 tmp += (mask_r>>sh_r) * low.r;
1544 lookup_r[i] = (tmp/65535)<<sh_r;
1545 }
1546 for (i = 0; i <= mask_g>>sh_g; i++)
1547 {
1548 uint32_t tmp;
1549 tmp = i * high.g;
1550 tmp += (mask_g>>sh_g) * low.g;
1551 lookup_g[i] = (tmp/65535)<<sh_g;
1552 }
1553 for (i = 0; i <= mask_b>>sh_b; i++)
1554 {
1555 uint32_t tmp;
1556 tmp = i * high.b;
1557 tmp += (mask_b>>sh_b) * low.b;
1558 lookup_b[i] = (tmp/65535)<<sh_b;
1559 }
1560 1248
1561 /* apply table to input image (replacing colors by newly calculated ones) */ 1249 /* apply table to input image (replacing colors by newly calculated ones) */
1562 if (ximage->bits_per_pixel == 32 1250 if (ximage->bits_per_pixel == 32
1563 && (ximage->depth == 24 || ximage->depth == 32) 1251 && (ximage->depth == 24 || ximage->depth == 32)
1564 && ximage->byte_order == host_byte_order) 1252 && ximage->byte_order == host_byte_order)
1594 } 1282 }
1595 } 1283 }
1596 1284
1597 free (lookup); 1285 free (lookup);
1598} 1286}
1599#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1287#endif /* ENABLE_TRANSPARENCY */

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