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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.220 by sf-exg, Fri May 25 08:27:47 2012 UTC vs.
Revision 1.243 by sf-exg, Sun Jun 17 17:06:47 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{
63 if (bg_pixmap) 33# if ENABLE_TRANSPARENCY
64 XFreePixmap (dpy, bg_pixmap); 34 delete root_img;
65} 35 root_img = 0;
36# endif
66 37
67bool 38# if BG_IMAGE_FROM_FILE
68rxvt_term::bg_set_position (int x, int y) 39 fimage.destroy ();
69{ 40# endif
70 41
71 if (target_x != x 42 delete bg_img;
72 || target_y != y) 43 bg_img = 0;
73 {
74 target_x = x;
75 target_y = y;
76 return true;
77 }
78 return false;
79} 44}
80 45
81bool 46bool
82rxvt_term::bg_window_size_sensitive () 47rxvt_term::bg_window_size_sensitive ()
83{ 48{
84# ifdef ENABLE_TRANSPARENCY 49# if ENABLE_TRANSPARENCY
85 if (bg_flags & BG_IS_TRANSPARENT) 50 if (bg_flags & BG_IS_TRANSPARENT)
86 return true; 51 return true;
87# endif 52# endif
88 53
89# ifdef BG_IMAGE_FROM_FILE 54# if BG_IMAGE_FROM_FILE
90 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 55 if (fimage.img)
91 { 56 {
92 if ((bg_image->flags & IM_IS_SIZE_SENSITIVE) 57 if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
93 || bg_image->width () > szHint.width 58 || fimage.img->w > szHint.width
94 || bg_image->height () > szHint.height) 59 || fimage.img->h > szHint.height)
95 return true; 60 return true;
96 } 61 }
97# endif 62# endif
98 63
99 return false; 64 return false;
100} 65}
101 66
102bool 67bool
103rxvt_term::bg_window_position_sensitive () 68rxvt_term::bg_window_position_sensitive ()
104{ 69{
105# ifdef ENABLE_TRANSPARENCY 70# if ENABLE_TRANSPARENCY
106 if (bg_flags & BG_IS_TRANSPARENT) 71 if (bg_flags & BG_IS_TRANSPARENT)
107 return true; 72 return true;
108# endif 73# endif
109 74
110# ifdef BG_IMAGE_FROM_FILE 75# if BG_IMAGE_FROM_FILE
111 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 76 if (fimage.img)
112 { 77 {
113 if (bg_image->flags & IM_ROOT_ALIGN) 78 if (fimage.flags & IM_ROOT_ALIGN)
114 return true; 79 return true;
115 } 80 }
116# endif 81# endif
117 82
118 return false; 83 return false;
119} 84}
120 85
121# ifdef BG_IMAGE_FROM_FILE 86# if BG_IMAGE_FROM_FILE
122static inline int 87static inline int
123make_align_position (int align, int window_size, int image_size) 88make_align_position (int align, int window_size, int image_size)
124{ 89{
125 if (align >= 0 && align <= 100) 90 if (align >= 0 && align <= 100)
126 return lerp (0, window_size - image_size, align); 91 return lerp (0, window_size - image_size, align);
127 else if (align > 100) 92 else if (align > 100)
128 return lerp (window_size - image_size, window_size, align - 100); 93 return lerp (window_size - image_size, window_size, align - 100);
129 else 94 else
130 return lerp (-image_size, 0, align + 100); 95 return lerp (-image_size, 0, align + 100);
131}
132
133static inline int
134make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
135{
136 int src_pos = 0;
137 dst_pos = pos;
138 dst_size = size;
139 if (pos < 0)
140 {
141 src_pos = -pos;
142 dst_pos = 0;
143 dst_size += pos;
144 }
145
146 min_it (dst_size, target_size - dst_pos);
147 return src_pos;
148} 96}
149 97
150static void 98static void
151parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags) 99parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
152{ 100{
… …
298 h_align = x; 246 h_align = x;
299 v_align = y; 247 v_align = y;
300 changed = true; 248 changed = true;
301 } 249 }
302 250
303 if (!(flags & IM_TILE) 251 if (is_size_sensitive ())
304 || h_scale || v_scale
305 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
306 flags |= IM_IS_SIZE_SENSITIVE; 252 flags |= IM_IS_SIZE_SENSITIVE;
307 else 253 else
308 flags &= ~IM_IS_SIZE_SENSITIVE; 254 flags &= ~IM_IS_SIZE_SENSITIVE;
309 255
310 return changed; 256 return changed;
311} 257}
312 258
313void 259void
314rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y) 260rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
315{ 261{
316 int image_width = image.width (); 262 int image_width = image.img->w;
317 int image_height = image.height (); 263 int image_height = image.img->h;
318 int target_width = szHint.width; 264 int parent_width = szHint.width;
319 int target_height = szHint.height; 265 int parent_height = szHint.height;
320 int h_scale = min (image.h_scale, 32767 * 100 / target_width); 266 int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
321 int v_scale = min (image.v_scale, 32767 * 100 / target_height); 267 int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
322 268
323 w = h_scale * target_width / 100; 269 w = h_scale * parent_width / 100;
324 h = v_scale * target_height / 100; 270 h = v_scale * parent_height / 100;
325 271
326 if (image.flags & IM_KEEP_ASPECT) 272 if (image.flags & IM_KEEP_ASPECT)
327 { 273 {
328 float scale = (float)w / image_width; 274 float scale = (float)w / image_width;
329 min_it (scale, (float)h / image_height); 275 min_it (scale, (float)h / image_height);
… …
334 if (!w) w = image_width; 280 if (!w) w = image_width;
335 if (!h) h = image_height; 281 if (!h) h = image_height;
336 282
337 if (image.flags & IM_ROOT_ALIGN) 283 if (image.flags & IM_ROOT_ALIGN)
338 { 284 {
339 x = -target_x; 285 x = -parent_x;
340 y = -target_y; 286 y = -parent_y;
341 } 287 }
342 else 288 else
343 { 289 {
344 x = make_align_position (image.h_align, target_width, w); 290 x = make_align_position (image.h_align, parent_width, w);
345 y = make_align_position (image.v_align, target_height, h); 291 y = make_align_position (image.v_align, parent_height, h);
346 }
347}
348
349# ifdef HAVE_PIXBUF
350bool
351rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
352 int src_x, int src_y, int dst_x, int dst_y,
353 unsigned int width, unsigned int height, bool argb)
354{
355 XImage *ximage;
356 char *line;
357 int width_r, width_g, width_b, width_a;
358 int sh_r, sh_g, sh_b, sh_a;
359 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
360 int rowstride;
361 int channels;
362 unsigned char *row;
363
364 if (visual->c_class != TrueColor)
365 return false;
366
367 if (argb)
368 { 292 }
369 red_mask = 0xff << 16;
370 green_mask = 0xff << 8;
371 blue_mask = 0xff;
372 alpha_mask = 0xff << 24;
373 }
374 else
375 {
376 red_mask = visual->red_mask;
377 green_mask = visual->green_mask;
378 blue_mask = visual->blue_mask;
379#if XRENDER
380 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
381 if (format)
382 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
383 else
384#endif
385 alpha_mask = 0;
386 }
387
388 width_r = ecb_popcount32 (red_mask);
389 width_g = ecb_popcount32 (green_mask);
390 width_b = ecb_popcount32 (blue_mask);
391 width_a = ecb_popcount32 (alpha_mask);
392
393 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
394 return false;
395
396 sh_r = ecb_ctz32 (red_mask);
397 sh_g = ecb_ctz32 (green_mask);
398 sh_b = ecb_ctz32 (blue_mask);
399 sh_a = ecb_ctz32 (alpha_mask);
400
401 if (width > 32767 || height > 32767)
402 return false;
403
404 ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
405 width, height, 32, 0);
406 if (!ximage)
407 return false;
408
409 if (height > INT_MAX / ximage->bytes_per_line
410 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
411 {
412 XDestroyImage (ximage);
413 return false;
414 }
415
416 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
417
418 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
419 channels = gdk_pixbuf_get_n_channels (pixbuf);
420 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
421 line = ximage->data;
422
423 rgba c (0, 0, 0);
424
425 if (channels == 4 && alpha_mask == 0)
426 {
427 pix_colors[Color_bg].get (c);
428 c.r >>= 8;
429 c.g >>= 8;
430 c.b >>= 8;
431 }
432
433 for (int y = 0; y < height; y++)
434 {
435 for (int x = 0; x < width; x++)
436 {
437 unsigned char *pixel = row + x * channels;
438 uint32_t value;
439 unsigned char r, g, b, a;
440
441 if (channels == 4)
442 {
443 a = pixel[3];
444 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
445 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
446 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
447 }
448 else
449 {
450 a = 0xff;
451 r = pixel[0];
452 g = pixel[1];
453 b = pixel[2];
454 }
455
456 value = ((r >> (8 - width_r)) << sh_r)
457 | ((g >> (8 - width_g)) << sh_g)
458 | ((b >> (8 - width_b)) << sh_b)
459 | ((a >> (8 - width_a)) << sh_a);
460
461 if (ximage->bits_per_pixel == 32)
462 ((uint32_t *)line)[x] = value;
463 else
464 XPutPixel (ximage, x, y, value);
465 }
466
467 row += rowstride;
468 line += ximage->bytes_per_line;
469 }
470
471 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
472 XDestroyImage (ximage);
473 return true;
474} 293}
475 294
476bool 295bool
477rxvt_term::render_image (rxvt_image &image) 296rxvt_term::render_image (rxvt_image &image)
478{ 297{
479 GdkPixbuf *pixbuf = image.pixbuf;
480 if (!pixbuf)
481 return false;
482
483 bool need_blend = bg_flags & BG_IS_VALID;
484
485 if (need_blend
486 && !(bg_flags & BG_HAS_RENDER))
487 return false;
488
489 GdkPixbuf *result;
490
491 int image_width = gdk_pixbuf_get_width (pixbuf);
492 int image_height = gdk_pixbuf_get_height (pixbuf);
493
494 int target_width = szHint.width; 298 int parent_width = szHint.width;
495 int target_height = szHint.height; 299 int parent_height = szHint.height;
496 int new_pmap_width = target_width;
497 int new_pmap_height = target_height;
498 300
499 int x = 0; 301 int x = 0;
500 int y = 0; 302 int y = 0;
501 int w = 0; 303 int w = 0;
502 int h = 0; 304 int h = 0;
503 305
504 get_image_geometry (image, w, h, x, y); 306 get_image_geometry (image, w, h, x, y);
505 307
506 if (!(image.flags & IM_ROOT_ALIGN) 308 if (!(image.flags & IM_ROOT_ALIGN)
507 && (x >= target_width 309 && (x >= parent_width
508 || y >= target_height 310 || y >= parent_height
509 || x + w <= 0 311 || x + w <= 0
510 || y + h <= 0)) 312 || y + h <= 0))
511 return false; 313 return false;
512 314
513 result = pixbuf; 315 rxvt_img *img = image.img->scale (w, h);
514 316
515 if (w != image_width 317 if (image.flags & IM_TILE)
516 || h != image_height) 318 img->repeat_mode (RepeatNormal);
517 {
518 result = gdk_pixbuf_scale_simple (pixbuf,
519 w, h,
520 GDK_INTERP_BILINEAR);
521 }
522
523 if (!result)
524 return false;
525
526 bool ret = false;
527
528 XGCValues gcv;
529 GC gc;
530 Pixmap tmp_pixmap;
531
532 image_width = gdk_pixbuf_get_width (result);
533 image_height = gdk_pixbuf_get_height (result);
534
535 if (need_blend)
536 tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
537 else 319 else
538 { 320 img->repeat_mode (RepeatNone);
539 // optimise bg pixmap size when tiling, but only if there are no 321 img->sub_rect (-x, -y, parent_width, parent_height)->replace (img);
540 // other pixbufs to render. Otherwise, the bg pixmap size must
541 // be equal to the window size.
542 if ((image.flags & IM_TILE)
543 && image_vec.size () == 1)
544 {
545 new_pmap_width = min (image_width, target_width);
546 new_pmap_height = min (image_height, target_height);
547 }
548 322
549 if (bg_pixmap == None 323 if (bg_flags & BG_IS_VALID)
550 || bg_pmap_width != new_pmap_width
551 || bg_pmap_height != new_pmap_height)
552 {
553 if (bg_pixmap)
554 XFreePixmap (dpy, bg_pixmap);
555 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
556 bg_pmap_width = new_pmap_width;
557 bg_pmap_height = new_pmap_height;
558 }
559
560 tmp_pixmap = bg_pixmap;
561 } 324 {
562 325 double factor = image.alpha * 1. / 0xffff;
563 gcv.foreground = pix_colors[Color_bg]; 326 bg_img->blend (img, factor)->replace (img);
564 gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
565
566 if (gc)
567 { 327 }
568 if (image.flags & IM_TILE)
569 {
570 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
571 pixbuf_to_pixmap (result, tile, gc,
572 0, 0,
573 0, 0,
574 image_width, image_height, need_blend);
575 328
576 gcv.tile = tile;
577 gcv.fill_style = FillTiled;
578 gcv.ts_x_origin = x;
579 gcv.ts_y_origin = y;
580 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
581
582 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
583 XFreePixmap (dpy, tile);
584 }
585 else
586 {
587 int src_x, src_y, dst_x, dst_y;
588 int dst_width, dst_height;
589
590 src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
591 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
592
593 if (dst_x > 0 || dst_y > 0
594 || dst_x + dst_width < new_pmap_width
595 || dst_y + dst_height < new_pmap_height)
596 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
597
598 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
599 pixbuf_to_pixmap (result, tmp_pixmap, gc,
600 src_x, src_y,
601 dst_x, dst_y,
602 dst_width, dst_height, need_blend);
603 }
604
605#if XRENDER
606 if (need_blend)
607 {
608 XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
609 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 329 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
330 img->convert_format (format, pix_colors [Color_bg])->replace (img);
610 331
611 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0); 332 delete bg_img;
333 bg_img = img;
612 334
613 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
614
615 Picture mask = create_xrender_mask (dpy, vt, False, False);
616
617 XRenderColor mask_c;
618
619 mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
620 mask_c.red =
621 mask_c.green =
622 mask_c.blue = 0;
623 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
624
625 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
626
627 XRenderFreePicture (dpy, src);
628 XRenderFreePicture (dpy, dst);
629 XRenderFreePicture (dpy, mask);
630 }
631#endif
632
633 XFreeGC (dpy, gc);
634
635 ret = true;
636 }
637
638 if (result != pixbuf)
639 g_object_unref (result);
640
641 if (need_blend)
642 XFreePixmap (dpy, tmp_pixmap);
643
644 return ret; 335 return true;
645} 336}
646# endif /* HAVE_PIXBUF */
647
648# ifndef NO_RESOURCES
649static int
650rxvt_define_image (XrmDatabase *database ecb_unused,
651 XrmBindingList bindings ecb_unused,
652 XrmQuarkList quarks,
653 XrmRepresentation *type ecb_unused,
654 XrmValue *value,
655 XPointer closure ecb_unused)
656{
657 int size;
658
659 for (size = 0; quarks[size] != NULLQUARK; size++)
660 ;
661
662 if (size >= 2)
663 {
664 int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
665 if (id >= 1)
666 GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
667 }
668 return False;
669}
670
671void
672rxvt_term::parse_image (int id, const char *type, const char *arg)
673{
674 rxvt_image *image;
675
676 for (image = image_vec.begin (); image < image_vec.end (); image++)
677 if (image->id == id)
678 break;
679
680 if (image == image_vec.end ())
681 {
682 image = new_image ();
683 image->id = id;
684 }
685}
686# endif
687 337
688rxvt_image::rxvt_image () 338rxvt_image::rxvt_image ()
689{ 339{
690 id = 340 alpha = 0xffff;
691 alpha =
692 flags = 341 flags = 0;
693 h_scale = 342 h_scale =
694 v_scale = 343 v_scale = defaultScale;
695 h_align = 344 h_align =
345 v_align = defaultAlign;
346
696 v_align = 0; 347 img = 0;
697
698# ifdef HAVE_PIXBUF
699 pixbuf.reset (0);
700# endif
701} 348}
702 349
703bool 350void
704rxvt_image::set_file_geometry (const char *file) 351rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
705{ 352{
706 if (!file || !*file) 353 if (!file || !*file)
707 return false; 354 return;
708 355
709 const char *p = strchr (file, ';'); 356 const char *p = strchr (file, ';');
710 357
711 if (p) 358 if (p)
712 { 359 {
… …
715 memcpy (f, file, len); 362 memcpy (f, file, len);
716 f[len] = '\0'; 363 f[len] = '\0';
717 file = f; 364 file = f;
718 } 365 }
719 366
720 bool ret = set_file (file); 367 set_file (s, file);
721 alpha = 0x8000; 368 alpha = 0x8000;
722 if (ret && p)
723 set_geometry (p + 1); 369 set_geometry (p ? p + 1 : "");
724 return ret;
725} 370}
726 371
727bool 372void
728rxvt_image::set_file (const char *file) 373rxvt_image::set_file (rxvt_screen *s, const char *file)
729{ 374{
730 bool ret = false; 375 rxvt_img *img2 = rxvt_img::new_from_file (s, file);
731 376 delete img;
732# ifdef HAVE_PIXBUF 377 img = img2;
733 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
734 if (image)
735 {
736 if (pixbuf)
737 g_object_unref (pixbuf);
738 pixbuf.reset (image);
739 ret = true;
740 }
741# endif
742
743 if (ret)
744 {
745 alpha = 0xffff;
746 flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
747 h_scale = v_scale = defaultScale;
748 h_align = v_align = defaultAlign;
749 }
750
751 return ret;
752} 378}
753 379
754# endif /* BG_IMAGE_FROM_FILE */ 380# endif /* BG_IMAGE_FROM_FILE */
755 381
756# ifdef ENABLE_TRANSPARENCY
757bool 382bool
758rxvt_term::bg_set_blur (const char *geom) 383image_effects::set_blur (const char *geom)
759{ 384{
760 bool changed = false; 385 bool changed = false;
761 unsigned int hr, vr; 386 unsigned int hr, vr;
762 int junk; 387 int junk;
763 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); 388 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
… …
784 409
785 return changed; 410 return changed;
786} 411}
787 412
788bool 413bool
789rxvt_term::bg_set_tint (rxvt_color &new_tint) 414image_effects::set_tint (const rxvt_color &new_tint)
790{ 415{
791 if (!(bg_flags & BG_TINT_SET) || tint != new_tint) 416 if (!tint_set || tint != new_tint)
792 { 417 {
793 tint = new_tint; 418 tint = new_tint;
794 bg_flags |= BG_TINT_SET; 419 tint_set = true;
795
796 rgba c;
797 tint.get (c);
798 if ((c.r <= 0x00ff || c.r >= 0xff00)
799 && (c.g <= 0x00ff || c.g >= 0xff00)
800 && (c.b <= 0x00ff || c.b >= 0xff00))
801 bg_flags |= BG_TINT_BITAND;
802 else
803 bg_flags &= ~BG_TINT_BITAND;
804 420
805 return true; 421 return true;
806 } 422 }
807 423
808 return false; 424 return false;
809} 425}
810 426
811bool 427bool
812rxvt_term::bg_set_shade (const char *shade_str) 428image_effects::set_shade (const char *shade_str)
813{ 429{
814 int new_shade = atoi (shade_str); 430 int new_shade = atoi (shade_str);
815 431
816 clamp_it (new_shade, -100, 200); 432 clamp_it (new_shade, -100, 200);
817 if (new_shade < 0) 433 if (new_shade < 0)
… …
824 } 440 }
825 441
826 return false; 442 return false;
827} 443}
828 444
829#if XRENDER 445# if ENABLE_TRANSPARENCY
830static void
831get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
832{
833 double sigma = radius / 2.0;
834 double scale = sqrt (2.0 * M_PI) * sigma;
835 double sum = 0.0;
836
837 for (int i = 0; i < width; i++)
838 {
839 double x = i - width / 2;
840 kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
841 sum += kernel[i];
842 }
843
844 params[0] = XDoubleToFixed (width);
845 params[1] = XDoubleToFixed (1);
846
847 for (int i = 0; i < width; i++)
848 params[i+2] = XDoubleToFixed (kernel[i] / sum);
849}
850#endif
851
852bool
853rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
854{
855 bool ret = false;
856#if XRENDER
857 if (!(bg_flags & BG_HAS_RENDER_CONV))
858 return false;
859
860 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
861 double *kernel = (double *)malloc (size * sizeof (double));
862 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
863
864 XRenderPictureAttributes pa;
865 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
866
867 pa.repeat = RepeatPad;
868 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
869 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
870 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
871 XFreePixmap (dpy, tmp);
872
873 if (kernel && params)
874 {
875 size = h_blurRadius * 2 + 1;
876 get_gaussian_kernel (h_blurRadius, size, kernel, params);
877
878 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
879 XRenderComposite (dpy,
880 PictOpSrc,
881 src,
882 None,
883 dst,
884 0, 0,
885 0, 0,
886 0, 0,
887 width, height);
888
889 ::swap (src, dst);
890
891 size = v_blurRadius * 2 + 1;
892 get_gaussian_kernel (v_blurRadius, size, kernel, params);
893 ::swap (params[0], params[1]);
894
895 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
896 XRenderComposite (dpy,
897 PictOpSrc,
898 src,
899 None,
900 dst,
901 0, 0,
902 0, 0,
903 0, 0,
904 width, height);
905
906 ret = true;
907 }
908
909 free (kernel);
910 free (params);
911 XRenderFreePicture (dpy, src);
912 XRenderFreePicture (dpy, dst);
913#endif
914 return ret;
915}
916
917bool
918rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
919{
920 bool ret = false;
921
922 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
923 {
924 XGCValues gcv;
925 GC gc;
926
927 /* In this case we can tint image server-side getting significant
928 * performance improvements, as we eliminate XImage transfer
929 */
930 gcv.foreground = Pixel (tint);
931 gcv.function = GXand;
932 gcv.fill_style = FillSolid;
933 gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
934 if (gc)
935 {
936 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
937 ret = true;
938 XFreeGC (dpy, gc);
939 }
940 }
941# if XRENDER
942 else if (bg_flags & BG_HAS_RENDER)
943 {
944 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
945
946 if (bg_flags & BG_TINT_SET)
947 tint.get (c);
948
949 if (shade <= 100)
950 {
951 c.r = c.r * shade / 100;
952 c.g = c.g * shade / 100;
953 c.b = c.b * shade / 100;
954 }
955 else
956 {
957 c.r = c.r * (200 - shade) / 100;
958 c.g = c.g * (200 - shade) / 100;
959 c.b = c.b * (200 - shade) / 100;
960 }
961
962 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
963
964 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
965
966 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
967
968 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
969
970 XRenderColor mask_c;
971
972 mask_c.alpha = 0xffff;
973 mask_c.red =
974 mask_c.green =
975 mask_c.blue = 0;
976 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
977
978 mask_c.alpha = 0;
979 mask_c.red = 0xffff - c.r;
980 mask_c.green = 0xffff - c.g;
981 mask_c.blue = 0xffff - c.b;
982 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
983
984 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
985
986 if (shade > 100)
987 {
988 mask_c.alpha = 0;
989 mask_c.red =
990 mask_c.green =
991 mask_c.blue = 0xffff * (shade - 100) / 100;
992 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
993
994 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
995 }
996
997 ret = true;
998
999 XRenderFreePicture (dpy, mask_pic);
1000 XRenderFreePicture (dpy, overlay_pic);
1001 XRenderFreePicture (dpy, back_pic);
1002 }
1003# endif
1004
1005 return ret;
1006}
1007
1008/* 446/*
1009 * Builds a pixmap of the same size as the terminal window that contains 447 * Builds a pixmap of the same size as the terminal window that contains
1010 * the tiled portion of the root pixmap that is supposed to be covered by 448 * the tiled portion of the root pixmap that is supposed to be covered by
1011 * our window. 449 * our window.
1012 */ 450 */
1013bool 451bool
1014rxvt_term::make_transparency_pixmap () 452rxvt_term::render_root_image ()
1015{ 453{
1016 bool ret = false;
1017
1018 /* root dimensions may change from call to call - but Display structure should 454 /* root dimensions may change from call to call - but Display structure should
1019 * be always up-to-date, so let's use it : 455 * be always up-to-date, so let's use it :
1020 */ 456 */
1021 int screen = display->screen; 457 int screen = display->screen;
1022 int root_depth = DefaultDepth (dpy, screen);
1023 int root_width = DisplayWidth (dpy, screen); 458 int root_width = DisplayWidth (dpy, screen);
1024 int root_height = DisplayHeight (dpy, screen); 459 int root_height = DisplayHeight (dpy, screen);
1025 unsigned int root_pmap_width, root_pmap_height;
1026 int window_width = szHint.width; 460 int parent_width = szHint.width;
1027 int window_height = szHint.height; 461 int parent_height = szHint.height;
1028 int sx, sy; 462 int sx, sy;
1029 XGCValues gcv;
1030 GC gc;
1031 463
1032 sx = target_x; 464 sx = parent_x;
1033 sy = target_y; 465 sy = parent_y;
466
467 if (!root_img)
468 return false;
1034 469
1035 /* check if we are outside of the visible part of the virtual screen : */ 470 /* check if we are outside of the visible part of the virtual screen : */
1036 if (sx + window_width <= 0 || sy + window_height <= 0 471 if (sx + parent_width <= 0 || sy + parent_height <= 0
1037 || sx >= root_width || sy >= root_height) 472 || sx >= root_width || sy >= root_height)
1038 return 0; 473 return 0;
1039 474
1040 // validate root pixmap and get its size 475 while (sx < 0) sx += root_img->w;
1041 if (root_pixmap != None) 476 while (sy < 0) sy += root_img->h;
1042 {
1043 Window wdummy;
1044 int idummy;
1045 unsigned int udummy;
1046 477
1047 allowedxerror = -1; 478 rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
1048 479
1049 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy)) 480 if (root_effects.need_blur ())
1050 root_pixmap = None; 481 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
1051 482
1052 allowedxerror = 0; 483 if (root_effects.need_tint ())
1053 } 484 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
1054 485
1055 Pixmap recoded_root_pmap = root_pixmap;
1056
1057 if (root_pixmap != None && root_depth != depth)
1058 {
1059#if XRENDER
1060 if (bg_flags & BG_HAS_RENDER)
1061 {
1062 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1063
1064 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1065 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1066
1067 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 486 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1068 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0); 487 img->convert_format (format, pix_colors [Color_bg])->replace (img);
1069 488
1070 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 489 delete bg_img;
490 bg_img = img;
1071 491
1072 XRenderFreePicture (dpy, src);
1073 XRenderFreePicture (dpy, dst);
1074 }
1075 else
1076#endif
1077 recoded_root_pmap = None;
1078 }
1079
1080 if (recoded_root_pmap == None)
1081 return 0;
1082
1083 if (bg_pixmap == None
1084 || bg_pmap_width != window_width
1085 || bg_pmap_height != window_height)
1086 {
1087 if (bg_pixmap)
1088 XFreePixmap (dpy, bg_pixmap);
1089 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1090 bg_pmap_width = window_width;
1091 bg_pmap_height = window_height;
1092 }
1093
1094 /* straightforward pixmap copy */
1095 while (sx < 0) sx += root_pmap_width;
1096 while (sy < 0) sy += root_pmap_height;
1097
1098 gcv.tile = recoded_root_pmap;
1099 gcv.fill_style = FillTiled;
1100 gcv.ts_x_origin = -sx;
1101 gcv.ts_y_origin = -sy;
1102 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1103
1104 if (gc)
1105 {
1106 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1107 ret = true;
1108 bool need_blur = h_blurRadius && v_blurRadius;
1109 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1110
1111 if (!(bg_flags & BG_CLIENT_RENDER))
1112 {
1113 if (need_blur)
1114 {
1115 if (blur_pixmap (bg_pixmap, window_width, window_height))
1116 need_blur = false;
1117 }
1118 if (need_tint)
1119 {
1120 if (tint_pixmap (bg_pixmap, window_width, window_height))
1121 need_tint = false;
1122 }
1123 if (need_tint)
1124 {
1125 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1126 if (ximage)
1127 {
1128 /* our own client-side tinting */
1129 tint_ximage (ximage);
1130
1131 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1132 XDestroyImage (ximage);
1133 }
1134 }
1135 } /* server side rendering completed */
1136
1137 XFreeGC (dpy, gc);
1138 }
1139
1140 if (recoded_root_pmap != root_pixmap)
1141 XFreePixmap (dpy, recoded_root_pmap);
1142
1143 return ret; 492 return true;
1144} 493}
1145 494
1146void 495void
1147rxvt_term::bg_set_root_pixmap () 496rxvt_term::bg_set_root_pixmap ()
1148{ 497{
1149 Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); 498 delete root_img;
1150 if (new_root_pixmap == None) 499 root_img = rxvt_img::new_from_root (this);
1151 new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1152
1153 root_pixmap = new_root_pixmap;
1154} 500}
1155# endif /* ENABLE_TRANSPARENCY */ 501# endif /* ENABLE_TRANSPARENCY */
1156 502
1157bool 503void
1158rxvt_term::bg_render () 504rxvt_term::bg_render ()
1159{ 505{
506 if (bg_flags & BG_INHIBIT_RENDER)
507 return;
508
1160 bg_invalidate (); 509 bg_invalidate ();
1161# ifdef ENABLE_TRANSPARENCY 510# if ENABLE_TRANSPARENCY
1162 if (bg_flags & BG_IS_TRANSPARENT) 511 if (bg_flags & BG_IS_TRANSPARENT)
1163 { 512 {
1164 /* we need to re-generate transparency pixmap in that case ! */ 513 /* we need to re-generate transparency pixmap in that case ! */
1165 if (make_transparency_pixmap ()) 514 if (render_root_image ())
1166 bg_flags |= BG_IS_VALID; 515 bg_flags |= BG_IS_VALID;
1167 } 516 }
1168# endif 517# endif
1169 518
1170# ifdef BG_IMAGE_FROM_FILE 519# if BG_IMAGE_FROM_FILE
1171 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 520 if (fimage.img)
1172 { 521 {
1173 if (render_image (*bg_image)) 522 if (render_image (fimage))
1174 bg_flags |= BG_IS_VALID; 523 bg_flags |= BG_IS_VALID;
1175 } 524 }
1176# endif 525# endif
1177 526
1178 if (!(bg_flags & BG_IS_VALID)) 527 if (!(bg_flags & BG_IS_VALID))
1179 { 528 {
1180 if (bg_pixmap != None) 529 delete bg_img;
1181 { 530 bg_img = 0;
1182 XFreePixmap (dpy, bg_pixmap);
1183 bg_pixmap = None;
1184 }
1185 } 531 }
1186 532
1187 scr_recolour (false); 533 scr_recolour (false);
1188 bg_flags |= BG_NEEDS_REFRESH; 534 bg_flags |= BG_NEEDS_REFRESH;
1189 535
1190 bg_valid_since = ev::now (); 536 bg_valid_since = ev::now ();
1191
1192 return true;
1193} 537}
1194 538
1195void 539void
1196rxvt_term::bg_init () 540rxvt_term::bg_init ()
1197{ 541{
1198#ifdef ENABLE_TRANSPARENCY 542#if ENABLE_TRANSPARENCY
1199 shade = 100; 543 if (option (Opt_transparent))
544 {
545 bg_set_transparent ();
546
547 if (rs [Rs_blurradius])
548 root_effects.set_blur (rs [Rs_blurradius]);
549
550 if (ISSET_PIXCOLOR (Color_tint))
551 root_effects.set_tint (pix_colors_focused [Color_tint]);
552
553 if (rs [Rs_shade])
554 root_effects.set_shade (rs [Rs_shade]);
555
556 bg_set_root_pixmap ();
557 XSelectInput (dpy, display->root, PropertyChangeMask);
558 rootwin_ev.start (display, display->root);
559 }
1200#endif 560#endif
1201 561
1202 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); 562#if BG_IMAGE_FROM_FILE
1203#if XRENDER 563 if (rs[Rs_backgroundPixmap])
1204 int major, minor;
1205 if (XRenderQueryVersion (dpy, &major, &minor))
1206 bg_flags |= BG_HAS_RENDER;
1207 XFilters *filters = XRenderQueryFilters (dpy, vt);
1208 if (filters)
1209 { 564 {
1210 for (int i = 0; i < filters->nfilter; i++) 565 fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
1211 if (!strcmp (filters->filter[i], FilterConvolution)) 566 if (!bg_window_position_sensitive ())
1212 bg_flags |= BG_HAS_RENDER_CONV; 567 update_background ();
1213
1214 XFree (filters);
1215 } 568 }
1216#endif 569#endif
1217
1218#ifdef BG_IMAGE_FROM_FILE
1219 if (rs[Rs_backgroundPixmap])
1220 {
1221 rxvt_image *image = new_image ();
1222 if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
1223 image_vec.pop_back ();
1224 }
1225
1226# ifndef NO_RESOURCES
1227 find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
1228 vector<rxvt_image>::iterator bg_image = image_vec.begin ();
1229 while (bg_image != image_vec.end ())
1230 {
1231 if (!(bg_image->flags & IM_IS_SET))
1232 bg_image = image_vec.erase (bg_image);
1233 else
1234 bg_image++;
1235 }
1236# endif
1237
1238 if (image_vec.size () > 0
1239 && !bg_window_position_sensitive ())
1240 update_background ();
1241#endif
1242} 570}
1243 571
1244#endif /* HAVE_BG_PIXMAP */
1245
1246#ifdef ENABLE_TRANSPARENCY
1247/* based on code from aterm-0.4.2 */
1248
1249static inline void
1250fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1251{
1252 for (int i = 0; i <= mask >> sh; i++)
1253 {
1254 uint32_t tmp;
1255 tmp = i * high;
1256 tmp += (mask >> sh) * low;
1257 lookup[i] = (tmp / 0xffff) << sh;
1258 }
1259}
1260
1261void 572void
1262rxvt_term::tint_ximage (XImage *ximage) 573rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1263{ 574{
1264 unsigned int size_r, size_g, size_b;
1265 int sh_r, sh_g, sh_b;
1266 uint32_t mask_r, mask_g, mask_b;
1267 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1268 unsigned short low;
1269 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1270
1271 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1272
1273 /* for convenience */
1274 mask_r = visual->red_mask;
1275 mask_g = visual->green_mask;
1276 mask_b = visual->blue_mask;
1277
1278 /* boring lookup table pre-initialization */
1279 sh_r = ecb_ctz32 (mask_r);
1280 sh_g = ecb_ctz32 (mask_g);
1281 sh_b = ecb_ctz32 (mask_b);
1282
1283 size_r = mask_r >> sh_r;
1284 size_g = mask_g >> sh_g;
1285 size_b = mask_b >> sh_b;
1286
1287 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1288 return;
1289
1290 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1291 lookup_r = lookup;
1292 lookup_g = lookup + size_r;
1293 lookup_b = lookup + size_r + size_g;
1294
1295 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 575 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1296 576
1297 if (bg_flags & BG_TINT_SET) 577 if (tint_set)
1298 tint.get (c); 578 tint.get (c);
1299 579
1300 /* prepare limits for color transformation (each channel is handled separately) */
1301 if (shade > 100) 580 if (shade > 100)
1302 { 581 {
1303 c.r = c.r * (200 - shade) / 100; 582 c.r = c.r * (200 - shade) / 100;
1304 c.g = c.g * (200 - shade) / 100; 583 c.g = c.g * (200 - shade) / 100;
1305 c.b = c.b * (200 - shade) / 100; 584 c.b = c.b * (200 - shade) / 100;
1306
1307 low = 0xffff * (shade - 100) / 100;
1308 } 585 }
1309 else 586 else
1310 { 587 {
1311 c.r = c.r * shade / 100; 588 c.r = c.r * shade / 100;
1312 c.g = c.g * shade / 100; 589 c.g = c.g * shade / 100;
1313 c.b = c.b * shade / 100; 590 c.b = c.b * shade / 100;
1314
1315 low = 0;
1316 }
1317
1318 /* fill our lookup tables */
1319 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1320 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1321 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1322
1323 /* apply table to input image (replacing colors by newly calculated ones) */
1324 if (ximage->bits_per_pixel == 32
1325 && ximage->byte_order == host_byte_order)
1326 { 591 }
1327 char *line = ximage->data;
1328 592
1329 for (int y = 0; y < ximage->height; y++) 593 img->contrast (c.r, c.g, c.b, c.a);
1330 { 594
1331 uint32_t *p = (uint32_t *)line; 595 if (shade > 100)
1332 for (int x = 0; x < ximage->width; x++)
1333 {
1334 *p = lookup_r[(*p & mask_r) >> sh_r] |
1335 lookup_g[(*p & mask_g) >> sh_g] |
1336 lookup_b[(*p & mask_b) >> sh_b];
1337 p++;
1338 }
1339 line += ximage->bytes_per_line;
1340 }
1341 } 596 {
1342 else 597 c.a = 0xffff;
598 c.r =
599 c.g =
600 c.b = 0xffff * (shade - 100) / 100;
601 img->brightness (c.r, c.g, c.b, c.a);
1343 { 602 }
1344 for (int y = 0; y < ximage->height; y++)
1345 for (int x = 0; x < ximage->width; x++)
1346 {
1347 unsigned long pixel = XGetPixel (ximage, x, y);
1348 pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1349 lookup_g[(pixel & mask_g) >> sh_g] |
1350 lookup_b[(pixel & mask_b) >> sh_b];
1351 XPutPixel (ximage, x, y, pixel);
1352 }
1353 }
1354
1355 free (lookup);
1356} 603}
1357#endif /* ENABLE_TRANSPARENCY */ 604
605#endif /* HAVE_BG_PIXMAP */

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