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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.224 by sf-exg, Wed May 30 19:30:57 2012 UTC vs.
Revision 1.248 by sf-exg, Sun Dec 30 11:34:43 2012 UTC

1/*----------------------------------------------------------------------* 1/*----------------------------------------------------------------------*
2 * File: background.C - former xpm.C 2 * File: background.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de> 6 * Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net> 7 * Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
… …
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 <math.h>
26#include "../config.h" /* NECESSARY */ 25#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 26#include "rxvt.h" /* NECESSARY */
28 27
29#if XRENDER
30# include <X11/extensions/Xrender.h>
31#endif
32
33#ifndef FilterConvolution
34#define FilterConvolution "convolution"
35#endif
36
37#ifndef RepeatPad
38#define RepeatPad True
39#endif
40
41#ifdef HAVE_BG_PIXMAP 28#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 29
60void 30void
61rxvt_term::bg_destroy () 31rxvt_term::bg_destroy ()
62{ 32{
33# if BG_IMAGE_FROM_ROOT
34 delete root_img;
35 root_img = 0;
36# endif
37
63# ifdef BG_IMAGE_FROM_FILE 38# if BG_IMAGE_FROM_FILE
64 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
65 bg_image->destroy (); 39 fimage.destroy ();
66# endif 40# endif
67
68 if (bg_pixmap)
69 XFreePixmap (dpy, bg_pixmap);
70} 41}
71 42
72bool 43bool
73rxvt_term::bg_set_position (int x, int y) 44rxvt_term::bg_window_size_sensitive ()
74{ 45{
46# if BG_IMAGE_FROM_ROOT
47 if (option (Opt_transparent))
48 return true;
49# endif
75 50
76 if (target_x != x 51# if BG_IMAGE_FROM_FILE
77 || target_y != y) 52 if (fimage.img)
78 { 53 {
79 target_x = x; 54 if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
80 target_y = y; 55 || fimage.img->w > szHint.width
56 || fimage.img->h > szHint.height)
81 return true; 57 return true;
82 } 58 }
59# endif
60
83 return false; 61 return false;
84} 62}
85 63
86bool 64bool
87rxvt_term::bg_window_size_sensitive () 65rxvt_term::bg_window_position_sensitive ()
88{ 66{
89# ifdef ENABLE_TRANSPARENCY 67# if BG_IMAGE_FROM_ROOT
90 if (bg_flags & BG_IS_TRANSPARENT) 68 if (option (Opt_transparent))
91 return true; 69 return true;
92# endif 70# endif
93 71
94# ifdef BG_IMAGE_FROM_FILE 72# if BG_IMAGE_FROM_FILE
95 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 73 if (fimage.img)
96 { 74 {
97 if ((bg_image->flags & IM_IS_SIZE_SENSITIVE) 75 if (fimage.flags & IM_ROOT_ALIGN)
98 || bg_image->width () > szHint.width
99 || bg_image->height () > szHint.height)
100 return true; 76 return true;
101 } 77 }
102# endif 78# endif
103 79
104 return false; 80 return false;
105} 81}
106 82
107bool
108rxvt_term::bg_window_position_sensitive ()
109{
110# ifdef ENABLE_TRANSPARENCY
111 if (bg_flags & BG_IS_TRANSPARENT)
112 return true;
113# endif
114
115# ifdef BG_IMAGE_FROM_FILE 83# if BG_IMAGE_FROM_FILE
116 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
117 {
118 if (bg_image->flags & IM_ROOT_ALIGN)
119 return true;
120 }
121# endif
122
123 return false;
124}
125
126# ifdef BG_IMAGE_FROM_FILE
127static inline int 84static inline int
128make_align_position (int align, int window_size, int image_size) 85make_align_position (int align, int window_size, int image_size)
129{ 86{
130 if (align >= 0 && align <= 100) 87 if (align >= 0 && align <= 100)
131 return lerp (0, window_size - image_size, align); 88 return lerp (0, window_size - image_size, align);
132 else if (align > 100) 89 else if (align > 100)
133 return lerp (window_size - image_size, window_size, align - 100); 90 return lerp (window_size - image_size, window_size, align - 100);
134 else 91 else
135 return lerp (-image_size, 0, align + 100); 92 return lerp (-image_size, 0, align + 100);
136}
137
138static inline int
139make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
140{
141 int src_pos = 0;
142 dst_pos = pos;
143 dst_size = size;
144 if (pos < 0)
145 {
146 src_pos = -pos;
147 dst_pos = 0;
148 dst_size += pos;
149 }
150
151 min_it (dst_size, target_size - dst_pos);
152 return src_pos;
153} 93}
154 94
155static void 95static void
156parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags) 96parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
157{ 97{
… …
303 h_align = x; 243 h_align = x;
304 v_align = y; 244 v_align = y;
305 changed = true; 245 changed = true;
306 } 246 }
307 247
308 if (!(flags & IM_TILE) 248 if (is_size_sensitive ())
309 || h_scale || v_scale
310 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
311 flags |= IM_IS_SIZE_SENSITIVE; 249 flags |= IM_IS_SIZE_SENSITIVE;
312 else 250 else
313 flags &= ~IM_IS_SIZE_SENSITIVE; 251 flags &= ~IM_IS_SIZE_SENSITIVE;
314 252
315 return changed; 253 return changed;
316} 254}
317 255
318void 256void
319rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y) 257rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
320{ 258{
321 int image_width = image.width (); 259 int image_width = image.img->w;
322 int image_height = image.height (); 260 int image_height = image.img->h;
323 int target_width = szHint.width; 261 int parent_width = szHint.width;
324 int target_height = szHint.height; 262 int parent_height = szHint.height;
325 int h_scale = min (image.h_scale, 32767 * 100 / target_width); 263 int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
326 int v_scale = min (image.v_scale, 32767 * 100 / target_height); 264 int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
327 265
328 w = h_scale * target_width / 100; 266 w = h_scale * parent_width / 100;
329 h = v_scale * target_height / 100; 267 h = v_scale * parent_height / 100;
330 268
331 if (image.flags & IM_KEEP_ASPECT) 269 if (image.flags & IM_KEEP_ASPECT)
332 { 270 {
333 float scale = (float)w / image_width; 271 float scale = (float)w / image_width;
334 min_it (scale, (float)h / image_height); 272 min_it (scale, (float)h / image_height);
… …
339 if (!w) w = image_width; 277 if (!w) w = image_width;
340 if (!h) h = image_height; 278 if (!h) h = image_height;
341 279
342 if (image.flags & IM_ROOT_ALIGN) 280 if (image.flags & IM_ROOT_ALIGN)
343 { 281 {
344 x = -target_x; 282 x = -parent_x;
345 y = -target_y; 283 y = -parent_y;
346 } 284 }
347 else 285 else
348 { 286 {
349 x = make_align_position (image.h_align, target_width, w); 287 x = make_align_position (image.h_align, parent_width, w);
350 y = make_align_position (image.v_align, target_height, h); 288 y = make_align_position (image.v_align, parent_height, h);
351 }
352}
353
354# ifdef HAVE_PIXBUF
355bool
356rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
357 int src_x, int src_y, int dst_x, int dst_y,
358 unsigned int width, unsigned int height, bool argb)
359{
360 XImage *ximage;
361 char *line;
362 int width_r, width_g, width_b, width_a;
363 int sh_r, sh_g, sh_b, sh_a;
364 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
365 int rowstride;
366 int channels;
367 unsigned char *row;
368
369 if (visual->c_class != TrueColor)
370 return false;
371
372 if (argb)
373 { 289 }
374 red_mask = 0xff << 16;
375 green_mask = 0xff << 8;
376 blue_mask = 0xff;
377 alpha_mask = 0xff << 24;
378 }
379 else
380 {
381 red_mask = visual->red_mask;
382 green_mask = visual->green_mask;
383 blue_mask = visual->blue_mask;
384#if XRENDER
385 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
386 if (format)
387 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
388 else
389#endif
390 alpha_mask = 0;
391 }
392
393 width_r = ecb_popcount32 (red_mask);
394 width_g = ecb_popcount32 (green_mask);
395 width_b = ecb_popcount32 (blue_mask);
396 width_a = ecb_popcount32 (alpha_mask);
397
398 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
399 return false;
400
401 sh_r = ecb_ctz32 (red_mask);
402 sh_g = ecb_ctz32 (green_mask);
403 sh_b = ecb_ctz32 (blue_mask);
404 sh_a = ecb_ctz32 (alpha_mask);
405
406 if (width > 32767 || height > 32767)
407 return false;
408
409 ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
410 width, height, 32, 0);
411 if (!ximage)
412 return false;
413
414 if (height > INT_MAX / ximage->bytes_per_line
415 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
416 {
417 XDestroyImage (ximage);
418 return false;
419 }
420
421 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
422
423 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
424 channels = gdk_pixbuf_get_n_channels (pixbuf);
425 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
426 line = ximage->data;
427
428 rgba c (0, 0, 0);
429
430 if (channels == 4 && alpha_mask == 0)
431 {
432 pix_colors[Color_bg].get (c);
433 c.r >>= 8;
434 c.g >>= 8;
435 c.b >>= 8;
436 }
437
438 for (int y = 0; y < height; y++)
439 {
440 for (int x = 0; x < width; x++)
441 {
442 unsigned char *pixel = row + x * channels;
443 uint32_t value;
444 unsigned char r, g, b, a;
445
446 if (channels == 4)
447 {
448 a = pixel[3];
449 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
450 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
451 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
452 }
453 else
454 {
455 a = 0xff;
456 r = pixel[0];
457 g = pixel[1];
458 b = pixel[2];
459 }
460
461 value = ((r >> (8 - width_r)) << sh_r)
462 | ((g >> (8 - width_g)) << sh_g)
463 | ((b >> (8 - width_b)) << sh_b)
464 | ((a >> (8 - width_a)) << sh_a);
465
466 if (ximage->bits_per_pixel == 32)
467 ((uint32_t *)line)[x] = value;
468 else
469 XPutPixel (ximage, x, y, value);
470 }
471
472 row += rowstride;
473 line += ximage->bytes_per_line;
474 }
475
476 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
477 XDestroyImage (ximage);
478 return true;
479} 290}
480 291
481bool 292bool
482rxvt_term::render_image (rxvt_image &image) 293rxvt_term::render_image (rxvt_image &image)
483{ 294{
484 GdkPixbuf *pixbuf = image.pixbuf;
485 if (!pixbuf)
486 return false;
487
488 bool need_blend = bg_flags & BG_IS_VALID;
489
490 if (need_blend
491 && !(bg_flags & BG_HAS_RENDER))
492 return false;
493
494 GdkPixbuf *result;
495
496 int image_width = gdk_pixbuf_get_width (pixbuf);
497 int image_height = gdk_pixbuf_get_height (pixbuf);
498
499 int target_width = szHint.width; 295 int parent_width = szHint.width;
500 int target_height = szHint.height; 296 int parent_height = szHint.height;
501 int new_pmap_width = target_width;
502 int new_pmap_height = target_height;
503 297
504 int x = 0; 298 int x = 0;
505 int y = 0; 299 int y = 0;
506 int w = 0; 300 int w = 0;
507 int h = 0; 301 int h = 0;
508 302
509 get_image_geometry (image, w, h, x, y); 303 get_image_geometry (image, w, h, x, y);
510 304
511 if (!(image.flags & IM_ROOT_ALIGN) 305 if (!(image.flags & IM_ROOT_ALIGN)
512 && (x >= target_width 306 && (x >= parent_width
513 || y >= target_height 307 || y >= parent_height
514 || x + w <= 0 308 || x + w <= 0
515 || y + h <= 0)) 309 || y + h <= 0))
516 return false; 310 return false;
517 311
518 result = pixbuf; 312 rxvt_img *img = image.img->scale (w, h);
519 313
520 if (w != image_width 314 if (image.flags & IM_TILE)
521 || h != image_height) 315 img->repeat_mode (RepeatNormal);
522 {
523 result = gdk_pixbuf_scale_simple (pixbuf,
524 w, h,
525 GDK_INTERP_BILINEAR);
526 }
527
528 if (!result)
529 return false;
530
531 bool ret = false;
532
533 XGCValues gcv;
534 GC gc;
535 Pixmap tmp_pixmap;
536
537 image_width = gdk_pixbuf_get_width (result);
538 image_height = gdk_pixbuf_get_height (result);
539
540 if (need_blend)
541 tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
542 else 316 else
543 { 317 img->repeat_mode (RepeatNone);
544 // optimise bg pixmap size when tiling, but only if there are no 318 img->sub_rect (-x, -y, parent_width, parent_height)->replace (img);
545 // other pixbufs to render. Otherwise, the bg pixmap size must
546 // be equal to the window size.
547 if ((image.flags & IM_TILE)
548 && image_vec.size () == 1)
549 {
550 new_pmap_width = min (image_width, target_width);
551 new_pmap_height = min (image_height, target_height);
552 }
553 319
554 if (bg_pixmap == None 320 if (bg_flags & BG_IS_VALID)
555 || bg_pmap_width != new_pmap_width 321 img->draw (bg_img, PictOpOver, image.alpha * 1. / 0xffff);
556 || bg_pmap_height != new_pmap_height)
557 {
558 if (bg_pixmap)
559 XFreePixmap (dpy, bg_pixmap);
560 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
561 bg_pmap_width = new_pmap_width;
562 bg_pmap_height = new_pmap_height;
563 }
564 322
565 tmp_pixmap = bg_pixmap;
566 }
567
568 gcv.foreground = pix_colors[Color_bg];
569 gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
570
571 if (gc)
572 {
573 if (image.flags & IM_TILE)
574 {
575 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
576 pixbuf_to_pixmap (result, tile, gc,
577 0, 0,
578 0, 0,
579 image_width, image_height, need_blend);
580
581 gcv.tile = tile;
582 gcv.fill_style = FillTiled;
583 gcv.ts_x_origin = x;
584 gcv.ts_y_origin = y;
585 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
586
587 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
588 XFreePixmap (dpy, tile);
589 }
590 else
591 {
592 int src_x, src_y, dst_x, dst_y;
593 int dst_width, dst_height;
594
595 src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
596 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
597
598 if (dst_x > 0 || dst_y > 0
599 || dst_x + dst_width < new_pmap_width
600 || dst_y + dst_height < new_pmap_height)
601 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
602
603 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
604 pixbuf_to_pixmap (result, tmp_pixmap, gc,
605 src_x, src_y,
606 dst_x, dst_y,
607 dst_width, dst_height, need_blend);
608 }
609
610#if XRENDER
611 if (need_blend)
612 {
613 XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
614 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 323 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
324 img->convert_format (format, pix_colors [Color_bg])->replace (img);
615 325
616 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0); 326 delete bg_img;
327 bg_img = img;
617 328
618 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
619
620 Picture mask = create_xrender_mask (dpy, vt, False, False);
621
622 XRenderColor mask_c;
623
624 mask_c.alpha = image.alpha;
625 mask_c.red =
626 mask_c.green =
627 mask_c.blue = 0;
628 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
629
630 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
631
632 XRenderFreePicture (dpy, src);
633 XRenderFreePicture (dpy, dst);
634 XRenderFreePicture (dpy, mask);
635 }
636#endif
637
638 XFreeGC (dpy, gc);
639
640 ret = true;
641 }
642
643 if (result != pixbuf)
644 g_object_unref (result);
645
646 if (need_blend)
647 XFreePixmap (dpy, tmp_pixmap);
648
649 return ret; 329 return true;
650} 330}
651# endif /* HAVE_PIXBUF */
652
653# ifndef NO_RESOURCES
654static int
655rxvt_define_image (XrmDatabase *database ecb_unused,
656 XrmBindingList bindings ecb_unused,
657 XrmQuarkList quarks,
658 XrmRepresentation *type ecb_unused,
659 XrmValue *value,
660 XPointer closure ecb_unused)
661{
662 int size;
663
664 for (size = 0; quarks[size] != NULLQUARK; size++)
665 ;
666
667 if (size >= 2)
668 {
669 int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
670 if (id >= 1)
671 GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
672 }
673 return False;
674}
675
676void
677rxvt_term::parse_image (int id, const char *type, const char *arg)
678{
679 if (image_vec.size () < id + 1)
680 image_vec.resize (id + 1);
681
682 rxvt_image *image = &image_vec[id];
683}
684# endif
685 331
686rxvt_image::rxvt_image () 332rxvt_image::rxvt_image ()
687{ 333{
688 alpha = 0xffff; 334 alpha = 0xffff;
689 flags = 0; 335 flags = 0;
690 h_scale = 336 h_scale =
691 v_scale = defaultScale; 337 v_scale = defaultScale;
692 h_align = 338 h_align =
693 v_align = defaultAlign; 339 v_align = defaultAlign;
694 340
695# ifdef HAVE_PIXBUF 341 img = 0;
696 pixbuf = 0;
697# endif
698} 342}
699 343
700bool 344void
701rxvt_image::set_file_geometry (const char *file) 345rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
702{ 346{
703 if (!file || !*file) 347 if (!file || !*file)
704 return false; 348 return;
705 349
706 const char *p = strchr (file, ';'); 350 const char *p = strchr (file, ';');
707 351
708 if (p) 352 if (p)
709 { 353 {
… …
712 memcpy (f, file, len); 356 memcpy (f, file, len);
713 f[len] = '\0'; 357 f[len] = '\0';
714 file = f; 358 file = f;
715 } 359 }
716 360
717 bool ret = set_file (file); 361 set_file (s, file);
718 alpha = 0x8000; 362 alpha = 0x8000;
719 if (ret)
720 set_geometry (p ? p + 1 : ""); 363 set_geometry (p ? p + 1 : "");
721 return ret;
722} 364}
723 365
724bool 366void
725rxvt_image::set_file (const char *file) 367rxvt_image::set_file (rxvt_screen *s, const char *file)
726{ 368{
727 bool ret = false; 369 rxvt_img *img2 = rxvt_img::new_from_file (s, file);
728 370 delete img;
729# ifdef HAVE_PIXBUF 371 img = img2;
730 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
731 if (image)
732 {
733 if (pixbuf)
734 g_object_unref (pixbuf);
735 pixbuf = image;
736 ret = true;
737 }
738# endif
739
740 if (ret)
741 flags |= IM_IS_SET;
742
743 return ret;
744} 372}
745 373
746# endif /* BG_IMAGE_FROM_FILE */ 374# endif /* BG_IMAGE_FROM_FILE */
747 375
748# ifdef ENABLE_TRANSPARENCY
749bool 376bool
750rxvt_term::bg_set_blur (const char *geom) 377image_effects::set_blur (const char *geom)
751{ 378{
752 bool changed = false; 379 bool changed = false;
753 unsigned int hr, vr; 380 unsigned int hr, vr;
754 int junk; 381 int junk;
755 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); 382 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
… …
776 403
777 return changed; 404 return changed;
778} 405}
779 406
780bool 407bool
781rxvt_term::bg_set_tint (rxvt_color &new_tint) 408image_effects::set_tint (const rxvt_color &new_tint)
782{ 409{
783 if (!(bg_flags & BG_TINT_SET) || tint != new_tint) 410 if (!tint_set || tint != new_tint)
784 { 411 {
785 tint = new_tint; 412 tint = new_tint;
786 bg_flags |= BG_TINT_SET; 413 tint_set = true;
787
788 rgba c;
789 tint.get (c);
790 if ((c.r <= 0x00ff || c.r >= 0xff00)
791 && (c.g <= 0x00ff || c.g >= 0xff00)
792 && (c.b <= 0x00ff || c.b >= 0xff00))
793 bg_flags |= BG_TINT_BITAND;
794 else
795 bg_flags &= ~BG_TINT_BITAND;
796 414
797 return true; 415 return true;
798 } 416 }
799 417
800 return false; 418 return false;
801} 419}
802 420
803bool 421bool
804rxvt_term::bg_set_shade (const char *shade_str) 422image_effects::set_shade (const char *shade_str)
805{ 423{
806 int new_shade = atoi (shade_str); 424 int new_shade = atoi (shade_str);
807 425
808 clamp_it (new_shade, -100, 200); 426 clamp_it (new_shade, -100, 200);
809 if (new_shade < 0) 427 if (new_shade < 0)
… …
816 } 434 }
817 435
818 return false; 436 return false;
819} 437}
820 438
821#if XRENDER 439# if BG_IMAGE_FROM_ROOT
822static void
823get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
824{
825 double sigma = radius / 2.0;
826 double scale = sqrt (2.0 * M_PI) * sigma;
827 double sum = 0.0;
828
829 for (int i = 0; i < width; i++)
830 {
831 double x = i - width / 2;
832 kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
833 sum += kernel[i];
834 }
835
836 params[0] = XDoubleToFixed (width);
837 params[1] = XDoubleToFixed (1);
838
839 for (int i = 0; i < width; i++)
840 params[i+2] = XDoubleToFixed (kernel[i] / sum);
841}
842#endif
843
844bool
845rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
846{
847 bool ret = false;
848#if XRENDER
849 if (!(bg_flags & BG_HAS_RENDER_CONV))
850 return false;
851
852 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
853 double *kernel = (double *)malloc (size * sizeof (double));
854 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
855
856 XRenderPictureAttributes pa;
857 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
858
859 pa.repeat = RepeatPad;
860 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
861 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
862 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
863 XFreePixmap (dpy, tmp);
864
865 if (kernel && params)
866 {
867 size = h_blurRadius * 2 + 1;
868 get_gaussian_kernel (h_blurRadius, size, kernel, params);
869
870 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
871 XRenderComposite (dpy,
872 PictOpSrc,
873 src,
874 None,
875 dst,
876 0, 0,
877 0, 0,
878 0, 0,
879 width, height);
880
881 ::swap (src, dst);
882
883 size = v_blurRadius * 2 + 1;
884 get_gaussian_kernel (v_blurRadius, size, kernel, params);
885 ::swap (params[0], params[1]);
886
887 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
888 XRenderComposite (dpy,
889 PictOpSrc,
890 src,
891 None,
892 dst,
893 0, 0,
894 0, 0,
895 0, 0,
896 width, height);
897
898 ret = true;
899 }
900
901 free (kernel);
902 free (params);
903 XRenderFreePicture (dpy, src);
904 XRenderFreePicture (dpy, dst);
905#endif
906 return ret;
907}
908
909bool
910rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
911{
912 bool ret = false;
913
914 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
915 {
916 XGCValues gcv;
917 GC gc;
918
919 /* In this case we can tint image server-side getting significant
920 * performance improvements, as we eliminate XImage transfer
921 */
922 gcv.foreground = Pixel (tint);
923 gcv.function = GXand;
924 gcv.fill_style = FillSolid;
925 gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
926 if (gc)
927 {
928 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
929 ret = true;
930 XFreeGC (dpy, gc);
931 }
932 }
933# if XRENDER
934 else if (bg_flags & BG_HAS_RENDER)
935 {
936 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
937
938 if (bg_flags & BG_TINT_SET)
939 tint.get (c);
940
941 if (shade <= 100)
942 {
943 c.r = c.r * shade / 100;
944 c.g = c.g * shade / 100;
945 c.b = c.b * shade / 100;
946 }
947 else
948 {
949 c.r = c.r * (200 - shade) / 100;
950 c.g = c.g * (200 - shade) / 100;
951 c.b = c.b * (200 - shade) / 100;
952 }
953
954 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
955
956 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
957
958 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
959
960 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
961
962 XRenderColor mask_c;
963
964 mask_c.alpha = 0xffff;
965 mask_c.red =
966 mask_c.green =
967 mask_c.blue = 0;
968 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
969
970 mask_c.alpha = 0;
971 mask_c.red = 0xffff - c.r;
972 mask_c.green = 0xffff - c.g;
973 mask_c.blue = 0xffff - c.b;
974 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
975
976 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
977
978 if (shade > 100)
979 {
980 mask_c.alpha = 0;
981 mask_c.red =
982 mask_c.green =
983 mask_c.blue = 0xffff * (shade - 100) / 100;
984 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
985
986 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
987 }
988
989 ret = true;
990
991 XRenderFreePicture (dpy, mask_pic);
992 XRenderFreePicture (dpy, overlay_pic);
993 XRenderFreePicture (dpy, back_pic);
994 }
995# endif
996
997 return ret;
998}
999
1000/* 440/*
1001 * Builds a pixmap of the same size as the terminal window that contains 441 * Builds a pixmap of the same size as the terminal window that contains
1002 * the tiled portion of the root pixmap that is supposed to be covered by 442 * the tiled portion of the root pixmap that is supposed to be covered by
1003 * our window. 443 * our window.
1004 */ 444 */
1005bool 445bool
1006rxvt_term::make_transparency_pixmap () 446rxvt_term::render_root_image ()
1007{ 447{
1008 bool ret = false;
1009
1010 /* root dimensions may change from call to call - but Display structure should 448 /* root dimensions may change from call to call - but Display structure should
1011 * be always up-to-date, so let's use it : 449 * be always up-to-date, so let's use it :
1012 */ 450 */
1013 int screen = display->screen; 451 int screen = display->screen;
1014 int root_depth = DefaultDepth (dpy, screen);
1015 int root_width = DisplayWidth (dpy, screen); 452 int root_width = DisplayWidth (dpy, screen);
1016 int root_height = DisplayHeight (dpy, screen); 453 int root_height = DisplayHeight (dpy, screen);
1017 unsigned int root_pmap_width, root_pmap_height;
1018 int window_width = szHint.width; 454 int parent_width = szHint.width;
1019 int window_height = szHint.height; 455 int parent_height = szHint.height;
1020 int sx, sy; 456 int sx, sy;
1021 XGCValues gcv;
1022 GC gc;
1023 457
1024 sx = target_x; 458 sx = parent_x;
1025 sy = target_y; 459 sy = parent_y;
460
461 if (!root_img)
462 return false;
1026 463
1027 /* check if we are outside of the visible part of the virtual screen : */ 464 /* check if we are outside of the visible part of the virtual screen : */
1028 if (sx + window_width <= 0 || sy + window_height <= 0 465 if (sx + parent_width <= 0 || sy + parent_height <= 0
1029 || sx >= root_width || sy >= root_height) 466 || sx >= root_width || sy >= root_height)
1030 return 0; 467 return 0;
1031 468
1032 // validate root pixmap and get its size 469 while (sx < 0) sx += root_img->w;
1033 if (root_pixmap != None) 470 while (sy < 0) sy += root_img->h;
1034 {
1035 Window wdummy;
1036 int idummy;
1037 unsigned int udummy;
1038 471
1039 allowedxerror = -1; 472 rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
1040 473
1041 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy)) 474 if (root_effects.need_blur ())
1042 root_pixmap = None; 475 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
1043 476
1044 allowedxerror = 0; 477 if (root_effects.need_tint ())
1045 } 478 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
1046 479
1047 Pixmap recoded_root_pmap = root_pixmap;
1048
1049 if (root_pixmap != None && root_depth != depth)
1050 {
1051#if XRENDER
1052 if (bg_flags & BG_HAS_RENDER)
1053 {
1054 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1055
1056 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1057 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1058
1059 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 480 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1060 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0); 481 img->convert_format (format, pix_colors [Color_bg])->replace (img);
1061 482
1062 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 483 delete bg_img;
484 bg_img = img;
1063 485
1064 XRenderFreePicture (dpy, src);
1065 XRenderFreePicture (dpy, dst);
1066 }
1067 else
1068#endif
1069 recoded_root_pmap = None;
1070 }
1071
1072 if (recoded_root_pmap == None)
1073 return 0;
1074
1075 if (bg_pixmap == None
1076 || bg_pmap_width != window_width
1077 || bg_pmap_height != window_height)
1078 {
1079 if (bg_pixmap)
1080 XFreePixmap (dpy, bg_pixmap);
1081 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1082 bg_pmap_width = window_width;
1083 bg_pmap_height = window_height;
1084 }
1085
1086 /* straightforward pixmap copy */
1087 while (sx < 0) sx += root_pmap_width;
1088 while (sy < 0) sy += root_pmap_height;
1089
1090 gcv.tile = recoded_root_pmap;
1091 gcv.fill_style = FillTiled;
1092 gcv.ts_x_origin = -sx;
1093 gcv.ts_y_origin = -sy;
1094 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1095
1096 if (gc)
1097 {
1098 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1099 ret = true;
1100 bool need_blur = h_blurRadius && v_blurRadius;
1101 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1102
1103 if (!(bg_flags & BG_CLIENT_RENDER))
1104 {
1105 if (need_blur)
1106 {
1107 if (blur_pixmap (bg_pixmap, window_width, window_height))
1108 need_blur = false;
1109 }
1110 if (need_tint)
1111 {
1112 if (tint_pixmap (bg_pixmap, window_width, window_height))
1113 need_tint = false;
1114 }
1115 if (need_tint)
1116 {
1117 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1118 if (ximage)
1119 {
1120 /* our own client-side tinting */
1121 tint_ximage (ximage);
1122
1123 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1124 XDestroyImage (ximage);
1125 }
1126 }
1127 } /* server side rendering completed */
1128
1129 XFreeGC (dpy, gc);
1130 }
1131
1132 if (recoded_root_pmap != root_pixmap)
1133 XFreePixmap (dpy, recoded_root_pmap);
1134
1135 return ret; 486 return true;
1136} 487}
1137 488
1138void 489void
1139rxvt_term::bg_set_root_pixmap () 490rxvt_term::bg_set_root_pixmap ()
1140{ 491{
1141 Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); 492 delete root_img;
1142 if (new_root_pixmap == None) 493 root_img = rxvt_img::new_from_root (this);
1143 new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1144
1145 root_pixmap = new_root_pixmap;
1146} 494}
1147# endif /* ENABLE_TRANSPARENCY */ 495# endif /* BG_IMAGE_FROM_ROOT */
1148 496
1149bool 497void
1150rxvt_term::bg_render () 498rxvt_term::bg_render ()
1151{ 499{
500 if (bg_flags & BG_INHIBIT_RENDER)
501 return;
502
1152 bg_invalidate (); 503 bg_invalidate ();
1153# ifdef ENABLE_TRANSPARENCY 504# if BG_IMAGE_FROM_ROOT
1154 if (bg_flags & BG_IS_TRANSPARENT) 505 if (option (Opt_transparent))
1155 { 506 {
1156 /* we need to re-generate transparency pixmap in that case ! */ 507 /* we need to re-generate transparency pixmap in that case ! */
1157 if (make_transparency_pixmap ()) 508 if (render_root_image ())
509 bg_flags |= BG_IS_VALID | BG_IS_TRANSPARENT;
510 }
511# endif
512
513# if BG_IMAGE_FROM_FILE
514 if (fimage.img)
515 {
516 if (render_image (fimage))
1158 bg_flags |= BG_IS_VALID; 517 bg_flags |= BG_IS_VALID;
1159 } 518 }
1160# endif 519# endif
1161 520
1162# ifdef BG_IMAGE_FROM_FILE
1163 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1164 {
1165 if (render_image (*bg_image))
1166 bg_flags |= BG_IS_VALID;
1167 }
1168# endif
1169
1170 if (!(bg_flags & BG_IS_VALID)) 521 if (!(bg_flags & BG_IS_VALID))
1171 { 522 {
1172 if (bg_pixmap != None) 523 delete bg_img;
1173 { 524 bg_img = 0;
1174 XFreePixmap (dpy, bg_pixmap);
1175 bg_pixmap = None;
1176 }
1177 } 525 }
1178 526
1179 scr_recolour (false); 527 scr_recolour (false);
1180 bg_flags |= BG_NEEDS_REFRESH; 528 bg_flags |= BG_NEEDS_REFRESH;
1181 529
1182 bg_valid_since = ev::now (); 530 bg_valid_since = ev::now ();
1183
1184 return true;
1185} 531}
1186 532
1187void 533void
1188rxvt_term::bg_init () 534rxvt_term::bg_init ()
1189{ 535{
1190#ifdef ENABLE_TRANSPARENCY 536#if BG_IMAGE_FROM_ROOT
1191 shade = 100; 537 if (option (Opt_transparent))
538 {
539 if (rs [Rs_blurradius])
540 root_effects.set_blur (rs [Rs_blurradius]);
541
542 if (ISSET_PIXCOLOR (Color_tint))
543 root_effects.set_tint (pix_colors_focused [Color_tint]);
544
545 if (rs [Rs_shade])
546 root_effects.set_shade (rs [Rs_shade]);
547
548 bg_set_root_pixmap ();
549 XSelectInput (dpy, display->root, PropertyChangeMask);
550 rootwin_ev.start (display, display->root);
551 }
1192#endif 552#endif
1193 553
1194 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); 554#if BG_IMAGE_FROM_FILE
1195#if XRENDER 555 if (rs[Rs_backgroundPixmap])
1196 int major, minor;
1197 if (XRenderQueryVersion (dpy, &major, &minor))
1198 bg_flags |= BG_HAS_RENDER;
1199 XFilters *filters = XRenderQueryFilters (dpy, vt);
1200 if (filters)
1201 { 556 {
1202 for (int i = 0; i < filters->nfilter; i++) 557 fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
1203 if (!strcmp (filters->filter[i], FilterConvolution)) 558 if (!bg_window_position_sensitive ())
1204 bg_flags |= BG_HAS_RENDER_CONV; 559 update_background ();
1205
1206 XFree (filters);
1207 } 560 }
1208#endif 561#endif
1209
1210#ifdef BG_IMAGE_FROM_FILE
1211 if (rs[Rs_backgroundPixmap])
1212 {
1213 rxvt_image *image = new_image ();
1214 if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
1215 image_vec.pop_back ();
1216 }
1217
1218# ifndef NO_RESOURCES
1219 find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
1220 vector<rxvt_image>::iterator bg_image = image_vec.begin ();
1221 while (bg_image != image_vec.end ())
1222 {
1223 if (!(bg_image->flags & IM_IS_SET))
1224 bg_image = image_vec.erase (bg_image);
1225 else
1226 bg_image++;
1227 }
1228# endif
1229
1230 if (image_vec.size () > 0
1231 && !bg_window_position_sensitive ())
1232 update_background ();
1233#endif
1234} 562}
1235 563
1236#endif /* HAVE_BG_PIXMAP */
1237
1238#ifdef ENABLE_TRANSPARENCY
1239/* based on code from aterm-0.4.2 */
1240
1241static inline void
1242fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1243{
1244 for (int i = 0; i <= mask >> sh; i++)
1245 {
1246 uint32_t tmp;
1247 tmp = i * high;
1248 tmp += (mask >> sh) * low;
1249 lookup[i] = (tmp / 0xffff) << sh;
1250 }
1251}
1252
1253void 564void
1254rxvt_term::tint_ximage (XImage *ximage) 565rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1255{ 566{
1256 unsigned int size_r, size_g, size_b;
1257 int sh_r, sh_g, sh_b;
1258 uint32_t mask_r, mask_g, mask_b;
1259 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1260 unsigned short low;
1261 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1262
1263 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1264
1265 /* for convenience */
1266 mask_r = visual->red_mask;
1267 mask_g = visual->green_mask;
1268 mask_b = visual->blue_mask;
1269
1270 /* boring lookup table pre-initialization */
1271 sh_r = ecb_ctz32 (mask_r);
1272 sh_g = ecb_ctz32 (mask_g);
1273 sh_b = ecb_ctz32 (mask_b);
1274
1275 size_r = mask_r >> sh_r;
1276 size_g = mask_g >> sh_g;
1277 size_b = mask_b >> sh_b;
1278
1279 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1280 return;
1281
1282 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1283 lookup_r = lookup;
1284 lookup_g = lookup + size_r;
1285 lookup_b = lookup + size_r + size_g;
1286
1287 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 567 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1288 568
1289 if (bg_flags & BG_TINT_SET) 569 if (tint_set)
1290 tint.get (c); 570 tint.get (c);
1291 571
1292 /* prepare limits for color transformation (each channel is handled separately) */
1293 if (shade > 100) 572 if (shade > 100)
1294 { 573 {
1295 c.r = c.r * (200 - shade) / 100; 574 c.r = c.r * (200 - shade) / 100;
1296 c.g = c.g * (200 - shade) / 100; 575 c.g = c.g * (200 - shade) / 100;
1297 c.b = c.b * (200 - shade) / 100; 576 c.b = c.b * (200 - shade) / 100;
1298
1299 low = 0xffff * (shade - 100) / 100;
1300 } 577 }
1301 else 578 else
1302 { 579 {
1303 c.r = c.r * shade / 100; 580 c.r = c.r * shade / 100;
1304 c.g = c.g * shade / 100; 581 c.g = c.g * shade / 100;
1305 c.b = c.b * shade / 100; 582 c.b = c.b * shade / 100;
1306
1307 low = 0;
1308 }
1309
1310 /* fill our lookup tables */
1311 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1312 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1313 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1314
1315 /* apply table to input image (replacing colors by newly calculated ones) */
1316 if (ximage->bits_per_pixel == 32
1317 && ximage->byte_order == host_byte_order)
1318 { 583 }
1319 char *line = ximage->data;
1320 584
1321 for (int y = 0; y < ximage->height; y++) 585 img->contrast (c.r, c.g, c.b, c.a);
1322 { 586
1323 uint32_t *p = (uint32_t *)line; 587 if (shade > 100)
1324 for (int x = 0; x < ximage->width; x++)
1325 {
1326 *p = lookup_r[(*p & mask_r) >> sh_r] |
1327 lookup_g[(*p & mask_g) >> sh_g] |
1328 lookup_b[(*p & mask_b) >> sh_b];
1329 p++;
1330 }
1331 line += ximage->bytes_per_line;
1332 }
1333 } 588 {
1334 else 589 c.a = 0xffff;
590 c.r =
591 c.g =
592 c.b = 0xffff * (shade - 100) / 100;
593 img->brightness (c.r, c.g, c.b, c.a);
1335 { 594 }
1336 for (int y = 0; y < ximage->height; y++)
1337 for (int x = 0; x < ximage->width; x++)
1338 {
1339 unsigned long pixel = XGetPixel (ximage, x, y);
1340 pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1341 lookup_g[(pixel & mask_g) >> sh_g] |
1342 lookup_b[(pixel & mask_b) >> sh_b];
1343 XPutPixel (ximage, x, y, pixel);
1344 }
1345 }
1346
1347 free (lookup);
1348} 595}
1349#endif /* ENABLE_TRANSPARENCY */ 596
597#endif /* HAVE_BG_PIXMAP */

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