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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.175 by sf-exg, Mon Dec 5 18:17:17 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)) changed = true; 282 min_it (w, 1000);
305 if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true; 283 min_it (h, 1000);
306 if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true; 284 clamp_it (x, -100, 200);
307 if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true; 285 clamp_it (y, -100, 200);
308 286
309 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)
310 { 292 {
311 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;
312 changed = true; 298 changed = true;
313 } 299 }
314 300
315 return changed; 301 return changed;
316} 302}
322 int target_height = szHint.height; 308 int target_height = szHint.height;
323 309
324 w = h_scale * target_width / 100; 310 w = h_scale * target_width / 100;
325 h = v_scale * target_height / 100; 311 h = v_scale * target_height / 100;
326 312
327 if (bg_flags & BG_PROP_SCALE) 313 if (bg_flags & BG_KEEP_ASPECT)
328 { 314 {
329 float scale = (float)w / image_width; 315 float scale = (float)w / image_width;
330 min_it (scale, (float)h / image_height); 316 min_it (scale, (float)h / image_height);
331 w = image_width * scale + 0.5; 317 w = image_width * scale + 0.5;
332 h = image_height * scale + 0.5; 318 h = image_height * scale + 0.5;
344 { 330 {
345 x = make_align_position (h_align, target_width, w); 331 x = make_align_position (h_align, target_width, w);
346 y = make_align_position (v_align, target_height, h); 332 y = make_align_position (v_align, target_height, h);
347 } 333 }
348 334
349 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
350 if (!(bg_flags & BG_TILE) 335 if (!(bg_flags & BG_TILE)
351 || h_scale || v_scale 336 || h_scale || v_scale
352 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align)) 337 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
353 || w > target_width || h > target_height) 338 || image_width > target_width || image_height > target_height)
354 bg_flags |= BG_IS_SIZE_SENSITIVE; 339 bg_flags |= BG_IS_SIZE_SENSITIVE;
355}
356
357# ifdef HAVE_AFTERIMAGE
358bool
359rxvt_term::render_image (unsigned long tr_flags)
360{
361 init_asv ();
362
363 ASImage *background = NULL;
364 ARGB32 background_tint = TINT_LEAVE_SAME;
365
366# ifdef ENABLE_TRANSPARENCY
367 if (tr_flags)
368 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
369
370 if (tr_flags & BG_NEEDS_TINT)
371 {
372 ShadingInfo as_shade;
373 as_shade.shading = shade;
374
375 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
376 if (bg_flags & BG_TINT_SET)
377 tint.get (c);
378 as_shade.tintColor.red = c.r;
379 as_shade.tintColor.green = c.g;
380 as_shade.tintColor.blue = c.b;
381
382 background_tint = shading2tint32 (&as_shade);
383 }
384
385 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
386 {
387 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
388 ASA_XImage,
389 100, ASIMAGE_QUALITY_DEFAULT);
390 if (tmp)
391 {
392 destroy_asimage (&background);
393 background = tmp;
394 }
395 }
396# endif
397
398 ASImage *result = 0;
399
400 int target_width = szHint.width;
401 int target_height = szHint.height;
402 int new_pmap_width = target_width;
403 int new_pmap_height = target_height;
404
405 int x = 0;
406 int y = 0;
407 int w = 0;
408 int h = 0;
409
410 if (original_asim)
411 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412
413 if (!original_asim
414 || (!(bg_flags & BG_ROOT_ALIGN)
415 && (x >= target_width
416 || y >= target_height
417 || x + w <= 0
418 || y + h <= 0)))
419 {
420 if (background)
421 {
422 new_pmap_width = background->width;
423 new_pmap_height = background->height;
424 result = background;
425
426 if (background_tint != TINT_LEAVE_SAME)
427 {
428 ASImage *tmp = tile_asimage (asv, background, 0, 0,
429 target_width, target_height, background_tint,
430 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431 if (tmp)
432 result = tmp;
433 }
434 }
435 else
436 new_pmap_width = new_pmap_height = 0;
437 }
438 else 340 else
439 { 341 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
440 result = original_asim;
441
442 if (w != original_asim->width
443 || h != original_asim->height)
444 {
445 result = scale_asimage (asv, original_asim,
446 w, h,
447 ASA_XImage,
448 100, ASIMAGE_QUALITY_DEFAULT);
449 }
450
451 if (background == NULL)
452 {
453 if (bg_flags & BG_TILE)
454 {
455 /* if tiling - pixmap has to be sized exactly as the image,
456 but there is no need to make it bigger than the window! */
457 new_pmap_width = min (result->width, target_width);
458 new_pmap_height = min (result->height, target_height);
459
460 /* we also need to tile our image in both directions */
461 ASImage *tmp = tile_asimage (asv, result,
462 (int)result->width - x,
463 (int)result->height - y,
464 new_pmap_width,
465 new_pmap_height,
466 TINT_LEAVE_SAME, ASA_XImage,
467 100, ASIMAGE_QUALITY_DEFAULT);
468 if (tmp)
469 {
470 if (result != original_asim)
471 destroy_asimage (&result);
472
473 result = tmp;
474 }
475 }
476 }
477 else
478 {
479 /* if blending background and image - pixmap has to be sized same as target window */
480 ASImageLayer *layers = create_image_layers (2);
481
482 layers[0].im = background;
483 layers[0].clip_width = target_width;
484 layers[0].clip_height = target_height;
485 layers[0].tint = background_tint;
486 layers[1].im = result;
487
488 if (bg_flags & BG_TILE)
489 {
490 /* tile horizontally */
491 while (x > 0) x -= (int)result->width;
492 layers[1].dst_x = x;
493 layers[1].clip_width = result->width+target_width;
494 }
495 else
496 {
497 /* clip horizontally */
498 layers[1].dst_x = x;
499 layers[1].clip_width = result->width;
500 }
501
502 if (bg_flags & BG_TILE)
503 {
504 while (y > 0) y -= (int)result->height;
505 layers[1].dst_y = y;
506 layers[1].clip_height = result->height + target_height;
507 }
508 else
509 {
510 layers[1].dst_y = y;
511 layers[1].clip_height = result->height;
512 }
513
514 if (rs[Rs_blendtype])
515 {
516 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
517 if (layers[1].merge_scanlines == NULL)
518 layers[1].merge_scanlines = alphablend_scanlines;
519 }
520
521 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
522 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
523
524 if (tmp)
525 {
526 if (result != original_asim)
527 destroy_asimage (&result);
528
529 result = tmp;
530 }
531
532 free (layers);
533 }
534 }
535
536 bool ret = false;
537
538 if (result)
539 {
540 XGCValues gcv;
541 GC gc;
542
543 /* create Pixmap */
544 if (bg_pixmap == None
545 || bg_pmap_width != new_pmap_width
546 || bg_pmap_height != new_pmap_height)
547 {
548 if (bg_pixmap)
549 XFreePixmap (dpy, bg_pixmap);
550 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
551 bg_pmap_width = new_pmap_width;
552 bg_pmap_height = new_pmap_height;
553 }
554 /* fill with background color (if result's not completely overlapping it) */
555 gcv.foreground = pix_colors[Color_bg];
556 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
557
558 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
559 int dst_width = result->width, dst_height = result->height;
560 if (background == NULL)
561 {
562 if (!(bg_flags & BG_TILE))
563 {
564 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
565 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
566 }
567
568 if (dst_x > 0 || dst_y > 0
569 || dst_x + dst_width < new_pmap_width
570 || dst_y + dst_height < new_pmap_height)
571 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
572 }
573
574 /* put result on pixmap */
575 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
576 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
577
578 if (result != background && result != original_asim)
579 destroy_asimage (&result);
580
581 XFreeGC (dpy, gc);
582
583 ret = true;
584 }
585
586 if (background)
587 destroy_asimage (&background);
588
589 return ret;
590} 342}
591# endif /* HAVE_AFTERIMAGE */
592 343
593# ifdef HAVE_PIXBUF 344# ifdef HAVE_PIXBUF
594bool 345bool
595rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc, 346rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
596 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,
673 XDestroyImage (ximage); 424 XDestroyImage (ximage);
674 return true; 425 return true;
675} 426}
676 427
677bool 428bool
678rxvt_term::render_image (unsigned long tr_flags) 429rxvt_term::render_image (bool transparent)
679{ 430{
680 if (!pixbuf) 431 if (!pixbuf)
681 return false; 432 return false;
682 433
683 if (tr_flags 434 if (transparent
684 && !(bg_flags & BG_HAS_RENDER)) 435 && !(bg_flags & BG_HAS_RENDER))
685 return false; 436 return false;
686 437
687 GdkPixbuf *result; 438 GdkPixbuf *result;
688 439
728 Pixmap root_pmap; 479 Pixmap root_pmap;
729 480
730 image_width = gdk_pixbuf_get_width (result); 481 image_width = gdk_pixbuf_get_width (result);
731 image_height = gdk_pixbuf_get_height (result); 482 image_height = gdk_pixbuf_get_height (result);
732 483
733 if (tr_flags) 484 if (transparent)
734 { 485 {
735 root_pmap = bg_pixmap; 486 root_pmap = bg_pixmap;
736 bg_pixmap = None; 487 bg_pixmap = None;
737 } 488 }
738 else 489 else
796 dst_x, dst_y, 547 dst_x, dst_y,
797 dst_width, dst_height); 548 dst_width, dst_height);
798 } 549 }
799 550
800#if XRENDER 551#if XRENDER
801 if (tr_flags) 552 if (transparent)
802 { 553 {
803 XRenderPictureAttributes pa;
804
805 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 554 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
555
806 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 556 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
807 557
808 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 558 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810 559
811 pa.repeat = True; 560 Picture mask = create_xrender_mask (dpy, vt, False, False);
812 Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
813 XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
814 Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
815 XFreePixmap (dpy, mask_pmap);
816 561
817 XRenderColor mask_c; 562 XRenderColor mask_c;
818 563
819 mask_c.alpha = 0x8000; 564 mask_c.alpha = 0x8000;
820 mask_c.red = 0; 565 mask_c.red =
821 mask_c.green = 0; 566 mask_c.green =
822 mask_c.blue = 0; 567 mask_c.blue = 0;
823 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 568 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
569
824 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);
825 571
826 XRenderFreePicture (dpy, src); 572 XRenderFreePicture (dpy, src);
827 XRenderFreePicture (dpy, dst); 573 XRenderFreePicture (dpy, dst);
828 XRenderFreePicture (dpy, mask); 574 XRenderFreePicture (dpy, mask);
835 } 581 }
836 582
837 if (result != pixbuf) 583 if (result != pixbuf)
838 g_object_unref (result); 584 g_object_unref (result);
839 585
840 if (tr_flags) 586 if (transparent)
841 XFreePixmap (dpy, root_pmap); 587 XFreePixmap (dpy, root_pmap);
842 588
843 return ret; 589 return ret;
844} 590}
845# endif /* HAVE_PIXBUF */ 591# endif /* HAVE_PIXBUF */
860 memcpy (f, file, len); 606 memcpy (f, file, len);
861 f[len] = '\0'; 607 f[len] = '\0';
862 file = f; 608 file = f;
863 } 609 }
864 610
865# ifdef HAVE_AFTERIMAGE
866 if (!asimman)
867 asimman = create_generic_imageman (rs[Rs_path]);
868 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
869 if (image)
870 {
871 if (original_asim)
872 safe_asimage_destroy (original_asim);
873 original_asim = image;
874 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
875 ret = true;
876 }
877# endif
878
879# ifdef HAVE_PIXBUF 611# ifdef HAVE_PIXBUF
880 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 612 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881 if (image) 613 if (image)
882 { 614 {
883 if (pixbuf) 615 if (pixbuf)
940 { 672 {
941 changed = true; 673 changed = true;
942 v_blurRadius = vr; 674 v_blurRadius = vr;
943 } 675 }
944 676
945 if (v_blurRadius == 0 && h_blurRadius == 0) 677 if (h_blurRadius && v_blurRadius)
678 bg_flags |= BG_NEEDS_BLUR;
679 else
946 bg_flags &= ~BG_NEEDS_BLUR; 680 bg_flags &= ~BG_NEEDS_BLUR;
947 else
948 bg_flags |= BG_NEEDS_BLUR;
949 681
950 return changed; 682 return changed;
951} 683}
952 684
953void 685void
954rxvt_term::set_tint_shade_flags () 686rxvt_term::set_tint_shade_flags ()
955{ 687{
956 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 688 if (shade != 100 || (bg_flags & BG_TINT_SET))
957 bool has_shade = shade != 100; 689 bg_flags |= BG_NEEDS_TINT;
690 else
691 bg_flags &= ~BG_NEEDS_TINT;
692}
958 693
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;
959 bg_flags &= ~BG_TINT_FLAGS; 700 bg_flags |= BG_TINT_SET;
960 701
961 if (bg_flags & BG_TINT_SET) 702 rgba c;
962 {
963 tint.get (c); 703 tint.get (c);
964 if (!has_shade
965 && (c.r <= 0x00ff || c.r >= 0xff00) 704 if ((c.r <= 0x00ff || c.r >= 0xff00)
966 && (c.g <= 0x00ff || c.g >= 0xff00) 705 && (c.g <= 0x00ff || c.g >= 0xff00)
967 && (c.b <= 0x00ff || c.b >= 0xff00)) 706 && (c.b <= 0x00ff || c.b >= 0xff00))
968 bg_flags |= BG_TINT_BITAND; 707 bg_flags |= BG_TINT_BITAND;
969 } 708 else
970
971 if (has_shade || (bg_flags & BG_TINT_SET))
972 bg_flags |= BG_NEEDS_TINT;
973}
974
975bool
976rxvt_term::bg_set_tint (rxvt_color &new_tint)
977{
978 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
979 {
980 tint = new_tint;
981 bg_flags |= BG_TINT_SET; 709 bg_flags &= ~BG_TINT_BITAND;
710
982 set_tint_shade_flags (); 711 set_tint_shade_flags ();
983 return true; 712 return true;
984 } 713 }
985 714
986 return false; 715 return false;
987} 716}
988 717
989bool 718bool
990rxvt_term::bg_set_shade (const char *shade_str) 719rxvt_term::bg_set_shade (const char *shade_str)
991{ 720{
992 int new_shade = (shade_str) ? atoi (shade_str) : 100; 721 int new_shade = atoi (shade_str);
993 722
994 clamp_it (new_shade, -100, 200); 723 clamp_it (new_shade, -100, 200);
995 if (new_shade < 0) 724 if (new_shade < 0)
996 new_shade = 200 - (100 + new_shade); 725 new_shade = 200 - (100 + new_shade);
997 726
1027 params[i+2] = XDoubleToFixed (kernel[i] / sum); 756 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028} 757}
1029#endif 758#endif
1030 759
1031bool 760bool
1032rxvt_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)
1033{ 762{
1034 bool ret = false; 763 bool ret = false;
1035#if XRENDER 764#if XRENDER
765 if (!(bg_flags & BG_HAS_RENDER_CONV))
766 return false;
767
1036 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 768 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037 double *kernel = (double *)malloc (size * sizeof (double)); 769 double *kernel = (double *)malloc (size * sizeof (double));
1038 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 770 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039 771
1040 XRenderPictureAttributes pa; 772 XRenderPictureAttributes pa;
1041 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 773 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042 774
775 pa.repeat = RepeatPad;
1043 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);
1044 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 778 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
779 XFreePixmap (dpy, tmp);
1045 780
1046 if (kernel && params) 781 if (kernel && params)
1047 { 782 {
1048 if (h_blurRadius)
1049 {
1050 size = h_blurRadius * 2 + 1; 783 size = h_blurRadius * 2 + 1;
1051 get_gaussian_kernel (h_blurRadius, size, kernel, params); 784 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052 785
1053 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 786 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054 XRenderComposite (dpy, 787 XRenderComposite (dpy,
1055 PictOpSrc, 788 PictOpSrc,
1056 src, 789 src,
1057 None, 790 None,
1058 dst, 791 dst,
1059 0, 0, 792 0, 0,
1060 0, 0, 793 0, 0,
1061 0, 0, 794 0, 0,
1062 width, height); 795 width, height);
1063 }
1064 796
1065 if (v_blurRadius) 797 ::swap (src, dst);
1066 { 798
1067 size = v_blurRadius * 2 + 1; 799 size = v_blurRadius * 2 + 1;
1068 get_gaussian_kernel (v_blurRadius, size, kernel, params); 800 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069 ::swap (params[0], params[1]); 801 ::swap (params[0], params[1]);
1070 802
1071 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 803 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072 XRenderComposite (dpy, 804 XRenderComposite (dpy,
1073 PictOpSrc, 805 PictOpSrc,
1074 src, 806 src,
1075 None, 807 None,
1076 dst, 808 dst,
1077 0, 0, 809 0, 0,
1078 0, 0, 810 0, 0,
1079 0, 0, 811 0, 0,
1080 width, height); 812 width, height);
1081 }
1082 813
1083 ret = true; 814 ret = true;
1084 } 815 }
1085 816
1086 free (kernel); 817 free (kernel);
1094bool 825bool
1095rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 826rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1096{ 827{
1097 bool ret = false; 828 bool ret = false;
1098 829
1099 if (bg_flags & BG_TINT_BITAND) 830 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100 { 831 {
1101 XGCValues gcv; 832 XGCValues gcv;
1102 GC gc; 833 GC gc;
1103 834
1104 /* In this case we can tint image server-side getting significant 835 /* In this case we can tint image server-side getting significant
1113 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 844 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114 ret = true; 845 ret = true;
1115 XFreeGC (dpy, gc); 846 XFreeGC (dpy, gc);
1116 } 847 }
1117 } 848 }
1118 else
1119 {
1120# if XRENDER 849# if XRENDER
850 else if (bg_flags & BG_HAS_RENDER)
851 {
1121 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 852 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122 853
1123 if (bg_flags & BG_TINT_SET) 854 if (bg_flags & BG_TINT_SET)
1124 tint.get (c); 855 tint.get (c);
1125 856
1134 c.r = c.r * (200 - shade) / 100; 865 c.r = c.r * (200 - shade) / 100;
1135 c.g = c.g * (200 - shade) / 100; 866 c.g = c.g * (200 - shade) / 100;
1136 c.b = c.b * (200 - shade) / 100; 867 c.b = c.b * (200 - shade) / 100;
1137 } 868 }
1138 869
1139 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 870 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141 XRenderPictureAttributes pa;
1142 871
1143 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 872 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144 873
1145 pa.repeat = True; 874 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146 875
1147 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 876 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1148 Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1149 XFreePixmap (dpy, overlay_pmap);
1150
1151 pa.component_alpha = True;
1152 Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1153 Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1154 XFreePixmap (dpy, mask_pmap);
1155 877
1156 XRenderColor mask_c; 878 XRenderColor mask_c;
1157 879
1158 mask_c.alpha = 0xffff; 880 mask_c.alpha = 0xffff;
1159 mask_c.red = 881 mask_c.red =
1164 mask_c.alpha = 0; 886 mask_c.alpha = 0;
1165 mask_c.red = 0xffff - c.r; 887 mask_c.red = 0xffff - c.r;
1166 mask_c.green = 0xffff - c.g; 888 mask_c.green = 0xffff - c.g;
1167 mask_c.blue = 0xffff - c.b; 889 mask_c.blue = 0xffff - c.b;
1168 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1); 890 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
891
1169 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);
1170 893
1171 if (shade > 100) 894 if (shade > 100)
1172 { 895 {
1173 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174 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;
1175 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 900 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176 901
1177 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);
1178 } 903 }
1179 904
1180 ret = true; 905 ret = true;
1181 906
1182 XRenderFreePicture (dpy, mask_pic); 907 XRenderFreePicture (dpy, mask_pic);
1183 XRenderFreePicture (dpy, overlay_pic); 908 XRenderFreePicture (dpy, overlay_pic);
1184 XRenderFreePicture (dpy, back_pic); 909 XRenderFreePicture (dpy, back_pic);
910 }
1185# endif 911# endif
1186 }
1187 912
1188 return ret; 913 return ret;
1189} 914}
1190 915
1191/* 916/*
1192 * 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
1193 * 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
1194 * our window. 919 * our window.
1195 */ 920 */
1196unsigned long 921bool
1197rxvt_term::make_transparency_pixmap () 922rxvt_term::make_transparency_pixmap ()
1198{ 923{
1199 unsigned long result = 0; 924 bool ret = false;
1200 925
1201 /* 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
1202 * be always up-to-date, so let's use it : 927 * be always up-to-date, so let's use it :
1203 */ 928 */
1204 int screen = display->screen; 929 int screen = display->screen;
1242#if XRENDER 967#if XRENDER
1243 if (bg_flags & BG_HAS_RENDER) 968 if (bg_flags & BG_HAS_RENDER)
1244 { 969 {
1245 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);
1246 971
1247 XRenderPictureAttributes pa;
1248
1249 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 972 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 973 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251 974
1252 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 975 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 976 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254 977
1255 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);
1256 979
1257 XRenderFreePicture (dpy, src); 980 XRenderFreePicture (dpy, src);
1258 XRenderFreePicture (dpy, dst); 981 XRenderFreePicture (dpy, dst);
1275 bg_pmap_width = window_width; 998 bg_pmap_width = window_width;
1276 bg_pmap_height = window_height; 999 bg_pmap_height = window_height;
1277 } 1000 }
1278 1001
1279 /* straightforward pixmap copy */ 1002 /* straightforward pixmap copy */
1280 while (sx < 0) sx += root_width; 1003 while (sx < 0) sx += root_pmap_width;
1281 while (sy < 0) sy += root_height; 1004 while (sy < 0) sy += root_pmap_height;
1282 1005
1283 gcv.tile = recoded_root_pmap; 1006 gcv.tile = recoded_root_pmap;
1284 gcv.fill_style = FillTiled; 1007 gcv.fill_style = FillTiled;
1285 gcv.ts_x_origin = -sx; 1008 gcv.ts_x_origin = -sx;
1286 gcv.ts_y_origin = -sy; 1009 gcv.ts_y_origin = -sy;
1287 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1010 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288 1011
1289 if (gc) 1012 if (gc)
1290 { 1013 {
1291 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1014 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292 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
1293 XFreeGC (dpy, gc); 1044 XFreeGC (dpy, gc);
1294
1295 if (!(bg_flags & BG_CLIENT_RENDER))
1296 {
1297 if ((bg_flags & BG_NEEDS_BLUR)
1298 && (bg_flags & BG_HAS_RENDER_CONV))
1299 {
1300 if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1301 result &= ~BG_NEEDS_BLUR;
1302 }
1303 if ((bg_flags & BG_NEEDS_TINT)
1304 && (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1305 {
1306 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1307 result &= ~BG_NEEDS_TINT;
1308 }
1309 } /* server side rendering completed */
1310 } 1045 }
1311 1046
1312 if (recoded_root_pmap != root_pixmap) 1047 if (recoded_root_pmap != root_pixmap)
1313 XFreePixmap (dpy, recoded_root_pmap); 1048 XFreePixmap (dpy, recoded_root_pmap);
1314 1049
1315 return result; 1050 return ret;
1316} 1051}
1317 1052
1318void 1053void
1319rxvt_term::bg_set_root_pixmap () 1054rxvt_term::bg_set_root_pixmap ()
1320{ 1055{
1324 1059
1325 root_pixmap = new_root_pixmap; 1060 root_pixmap = new_root_pixmap;
1326} 1061}
1327# endif /* ENABLE_TRANSPARENCY */ 1062# endif /* ENABLE_TRANSPARENCY */
1328 1063
1329#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1330static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1331# endif
1332
1333bool 1064bool
1334rxvt_term::bg_render () 1065rxvt_term::bg_render ()
1335{ 1066{
1336 unsigned long tr_flags = 0; 1067 bool transparent = false;
1337 1068
1338 bg_invalidate (); 1069 bg_invalidate ();
1339# ifdef ENABLE_TRANSPARENCY 1070# ifdef ENABLE_TRANSPARENCY
1340 if (bg_flags & BG_IS_TRANSPARENT) 1071 if (bg_flags & BG_IS_TRANSPARENT)
1341 { 1072 {
1342 /* we need to re-generate transparency pixmap in that case ! */ 1073 /* we need to re-generate transparency pixmap in that case ! */
1343 tr_flags = make_transparency_pixmap (); 1074 transparent = make_transparency_pixmap ();
1344 if (tr_flags == 0) 1075 if (transparent)
1345 return false;
1346 bg_flags |= BG_IS_VALID; 1076 bg_flags |= BG_IS_VALID;
1347 } 1077 }
1348# endif 1078# endif
1349 1079
1350# ifdef BG_IMAGE_FROM_FILE 1080# ifdef BG_IMAGE_FROM_FILE
1351 if ((bg_flags & BG_IS_FROM_FILE) 1081 if (bg_flags & BG_IS_FROM_FILE)
1352 || (tr_flags & BG_EFFECTS_FLAGS))
1353 { 1082 {
1354 if (render_image (tr_flags)) 1083 if (render_image (transparent))
1355 bg_flags |= BG_IS_VALID; 1084 bg_flags |= BG_IS_VALID;
1356 }
1357# endif
1358
1359# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1360 XImage *result = NULL;
1361
1362 if (tr_flags & BG_NEEDS_TINT)
1363 {
1364 result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1365 }
1366
1367 if (result)
1368 {
1369 /* our own client-side tinting */
1370 //if (tr_flags & BG_NEEDS_TINT)
1371 if (1)
1372 {
1373 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1374 if (bg_flags & BG_TINT_SET)
1375 tint.get (c);
1376 shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1377 }
1378
1379 GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1380
1381 if (gc)
1382 {
1383 XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1384
1385 XFreeGC (dpy, gc);
1386 }
1387
1388 XDestroyImage (result);
1389 } 1085 }
1390# endif 1086# endif
1391 1087
1392 if (!(bg_flags & BG_IS_VALID)) 1088 if (!(bg_flags & BG_IS_VALID))
1393 { 1089 {
1430#endif 1126#endif
1431} 1127}
1432 1128
1433#endif /* HAVE_BG_PIXMAP */ 1129#endif /* HAVE_BG_PIXMAP */
1434 1130
1435#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1131#ifdef ENABLE_TRANSPARENCY
1436/* based on code from aterm-0.4.2 */ 1132/* based on code from aterm-0.4.2 */
1437 1133
1438static void 1134static inline void
1439shade_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)
1440{ 1148{
1441 int sh_r, sh_g, sh_b; 1149 int sh_r, sh_g, sh_b;
1442 uint32_t mask_r, mask_g, mask_b; 1150 uint32_t mask_r, mask_g, mask_b;
1443 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1151 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1444 rgba low; 1152 unsigned short low;
1445 rgba high;
1446 int i;
1447 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1153 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1448 1154
1449 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1155 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1450 1156
1451 /* for convenience */ 1157 /* for convenience */
1510 break; 1216 break;
1511 default: 1217 default:
1512 return; /* we do not support this color depth */ 1218 return; /* we do not support this color depth */
1513 } 1219 }
1514 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
1515 /* prepare limits for color transformation (each channel is handled separately) */ 1226 /* prepare limits for color transformation (each channel is handled separately) */
1516 if (shade > 100) 1227 if (shade > 100)
1517 { 1228 {
1518 shade = 200 - shade;
1519
1520 high.r = c.r * shade / 100;
1521 high.g = c.g * shade / 100;
1522 high.b = c.b * shade / 100;
1523
1524 low.r = 65535 * (100 - shade) / 100; 1229 c.r = c.r * (200 - shade) / 100;
1525 low.g = 65535 * (100 - shade) / 100; 1230 c.g = c.g * (200 - shade) / 100;
1526 low.b = 65535 * (100 - shade) / 100; 1231 c.b = c.b * (200 - shade) / 100;
1232
1233 low = 0xffff * (shade - 100) / 100;
1527 } 1234 }
1528 else 1235 else
1529 { 1236 {
1530 high.r = c.r * shade / 100; 1237 c.r = c.r * shade / 100;
1531 high.g = c.g * shade / 100; 1238 c.g = c.g * shade / 100;
1532 high.b = c.b * shade / 100; 1239 c.b = c.b * shade / 100;
1533 1240
1534 low.r = low.g = low.b = 0; 1241 low = 0;
1535 } 1242 }
1536 1243
1537 /* fill our lookup tables */ 1244 /* fill our lookup tables */
1538 for (i = 0; i <= mask_r>>sh_r; i++) 1245 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1539 { 1246 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1540 uint32_t tmp; 1247 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1541 tmp = i * high.r;
1542 tmp += (mask_r>>sh_r) * low.r;
1543 lookup_r[i] = (tmp/65535)<<sh_r;
1544 }
1545 for (i = 0; i <= mask_g>>sh_g; i++)
1546 {
1547 uint32_t tmp;
1548 tmp = i * high.g;
1549 tmp += (mask_g>>sh_g) * low.g;
1550 lookup_g[i] = (tmp/65535)<<sh_g;
1551 }
1552 for (i = 0; i <= mask_b>>sh_b; i++)
1553 {
1554 uint32_t tmp;
1555 tmp = i * high.b;
1556 tmp += (mask_b>>sh_b) * low.b;
1557 lookup_b[i] = (tmp/65535)<<sh_b;
1558 }
1559 1248
1560 /* apply table to input image (replacing colors by newly calculated ones) */ 1249 /* apply table to input image (replacing colors by newly calculated ones) */
1561 if (ximage->bits_per_pixel == 32 1250 if (ximage->bits_per_pixel == 32
1562 && (ximage->depth == 24 || ximage->depth == 32) 1251 && (ximage->depth == 24 || ximage->depth == 32)
1563 && ximage->byte_order == host_byte_order) 1252 && ximage->byte_order == host_byte_order)
1593 } 1282 }
1594 } 1283 }
1595 1284
1596 free (lookup); 1285 free (lookup);
1597} 1286}
1598#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1287#endif /* ENABLE_TRANSPARENCY */

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