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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.221 by sf-exg, Fri May 25 09:27:35 2012 UTC vs.
Revision 1.246 by sf-exg, Sat Dec 29 14:23:35 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 41
68 if (bg_pixmap) 42 delete bg_img;
69 XFreePixmap (dpy, bg_pixmap); 43 bg_img = 0;
70}
71
72bool
73rxvt_term::bg_set_position (int x, int y)
74{
75
76 if (target_x != x
77 || target_y != y)
78 {
79 target_x = x;
80 target_y = y;
81 return true;
82 }
83 return false;
84} 44}
85 45
86bool 46bool
87rxvt_term::bg_window_size_sensitive () 47rxvt_term::bg_window_size_sensitive ()
88{ 48{
89# ifdef ENABLE_TRANSPARENCY 49# if BG_IMAGE_FROM_ROOT
90 if (bg_flags & BG_IS_TRANSPARENT) 50 if (bg_flags & BG_IS_TRANSPARENT)
91 return true; 51 return true;
92# endif 52# endif
93 53
94# ifdef BG_IMAGE_FROM_FILE 54# if BG_IMAGE_FROM_FILE
95 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 55 if (fimage.img)
96 { 56 {
97 if ((bg_image->flags & IM_IS_SIZE_SENSITIVE) 57 if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
98 || bg_image->width () > szHint.width 58 || fimage.img->w > szHint.width
99 || bg_image->height () > szHint.height) 59 || fimage.img->h > szHint.height)
100 return true; 60 return true;
101 } 61 }
102# endif 62# endif
103 63
104 return false; 64 return false;
105} 65}
106 66
107bool 67bool
108rxvt_term::bg_window_position_sensitive () 68rxvt_term::bg_window_position_sensitive ()
109{ 69{
110# ifdef ENABLE_TRANSPARENCY 70# if BG_IMAGE_FROM_ROOT
111 if (bg_flags & BG_IS_TRANSPARENT) 71 if (bg_flags & BG_IS_TRANSPARENT)
112 return true; 72 return true;
113# endif 73# endif
114 74
115# ifdef BG_IMAGE_FROM_FILE 75# if BG_IMAGE_FROM_FILE
116 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 76 if (fimage.img)
117 { 77 {
118 if (bg_image->flags & IM_ROOT_ALIGN) 78 if (fimage.flags & IM_ROOT_ALIGN)
119 return true; 79 return true;
120 } 80 }
121# endif 81# endif
122 82
123 return false; 83 return false;
124} 84}
125 85
126# ifdef BG_IMAGE_FROM_FILE 86# if BG_IMAGE_FROM_FILE
127static inline int 87static inline int
128make_align_position (int align, int window_size, int image_size) 88make_align_position (int align, int window_size, int image_size)
129{ 89{
130 if (align >= 0 && align <= 100) 90 if (align >= 0 && align <= 100)
131 return lerp (0, window_size - image_size, align); 91 return lerp (0, window_size - image_size, align);
132 else if (align > 100) 92 else if (align > 100)
133 return lerp (window_size - image_size, window_size, align - 100); 93 return lerp (window_size - image_size, window_size, align - 100);
134 else 94 else
135 return lerp (-image_size, 0, align + 100); 95 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} 96}
154 97
155static void 98static void
156parse_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)
157{ 100{
… …
303 h_align = x; 246 h_align = x;
304 v_align = y; 247 v_align = y;
305 changed = true; 248 changed = true;
306 } 249 }
307 250
308 if (!(flags & IM_TILE) 251 if (is_size_sensitive ())
309 || h_scale || v_scale
310 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
311 flags |= IM_IS_SIZE_SENSITIVE; 252 flags |= IM_IS_SIZE_SENSITIVE;
312 else 253 else
313 flags &= ~IM_IS_SIZE_SENSITIVE; 254 flags &= ~IM_IS_SIZE_SENSITIVE;
314 255
315 return changed; 256 return changed;
316} 257}
317 258
318void 259void
319rxvt_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)
320{ 261{
321 int image_width = image.width (); 262 int image_width = image.img->w;
322 int image_height = image.height (); 263 int image_height = image.img->h;
323 int target_width = szHint.width; 264 int parent_width = szHint.width;
324 int target_height = szHint.height; 265 int parent_height = szHint.height;
325 int h_scale = min (image.h_scale, 32767 * 100 / target_width); 266 int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
326 int v_scale = min (image.v_scale, 32767 * 100 / target_height); 267 int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
327 268
328 w = h_scale * target_width / 100; 269 w = h_scale * parent_width / 100;
329 h = v_scale * target_height / 100; 270 h = v_scale * parent_height / 100;
330 271
331 if (image.flags & IM_KEEP_ASPECT) 272 if (image.flags & IM_KEEP_ASPECT)
332 { 273 {
333 float scale = (float)w / image_width; 274 float scale = (float)w / image_width;
334 min_it (scale, (float)h / image_height); 275 min_it (scale, (float)h / image_height);
… …
339 if (!w) w = image_width; 280 if (!w) w = image_width;
340 if (!h) h = image_height; 281 if (!h) h = image_height;
341 282
342 if (image.flags & IM_ROOT_ALIGN) 283 if (image.flags & IM_ROOT_ALIGN)
343 { 284 {
344 x = -target_x; 285 x = -parent_x;
345 y = -target_y; 286 y = -parent_y;
346 } 287 }
347 else 288 else
348 { 289 {
349 x = make_align_position (image.h_align, target_width, w); 290 x = make_align_position (image.h_align, parent_width, w);
350 y = make_align_position (image.v_align, target_height, h); 291 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 { 292 }
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} 293}
480 294
481bool 295bool
482rxvt_term::render_image (rxvt_image &image) 296rxvt_term::render_image (rxvt_image &image)
483{ 297{
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; 298 int parent_width = szHint.width;
500 int target_height = szHint.height; 299 int parent_height = szHint.height;
501 int new_pmap_width = target_width;
502 int new_pmap_height = target_height;
503 300
504 int x = 0; 301 int x = 0;
505 int y = 0; 302 int y = 0;
506 int w = 0; 303 int w = 0;
507 int h = 0; 304 int h = 0;
508 305
509 get_image_geometry (image, w, h, x, y); 306 get_image_geometry (image, w, h, x, y);
510 307
511 if (!(image.flags & IM_ROOT_ALIGN) 308 if (!(image.flags & IM_ROOT_ALIGN)
512 && (x >= target_width 309 && (x >= parent_width
513 || y >= target_height 310 || y >= parent_height
514 || x + w <= 0 311 || x + w <= 0
515 || y + h <= 0)) 312 || y + h <= 0))
516 return false; 313 return false;
517 314
518 result = pixbuf; 315 rxvt_img *img = image.img->scale (w, h);
519 316
520 if (w != image_width 317 if (image.flags & IM_TILE)
521 || h != image_height) 318 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 319 else
543 { 320 img->repeat_mode (RepeatNone);
544 // optimise bg pixmap size when tiling, but only if there are no 321 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 }
553 322
554 if (bg_pixmap == None 323 if (bg_flags & BG_IS_VALID)
555 || bg_pmap_width != new_pmap_width 324 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 }
564 325
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); 326 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
327 img->convert_format (format, pix_colors [Color_bg])->replace (img);
615 328
616 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0); 329 delete bg_img;
330 bg_img = img;
617 331
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 = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : 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; 332 return true;
650} 333}
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 rxvt_image *image;
680
681 for (image = image_vec.begin (); image < image_vec.end (); image++)
682 if (image->id == id)
683 break;
684
685 if (image == image_vec.end ())
686 {
687 image = new_image ();
688 image->id = id;
689 }
690}
691# endif
692 334
693rxvt_image::rxvt_image () 335rxvt_image::rxvt_image ()
694{ 336{
695 id = 337 alpha = 0xffff;
696 alpha =
697 flags = 338 flags = 0;
698 h_scale = 339 h_scale =
699 v_scale = 340 v_scale = defaultScale;
700 h_align = 341 h_align =
342 v_align = defaultAlign;
343
701 v_align = 0; 344 img = 0;
702
703# ifdef HAVE_PIXBUF
704 pixbuf = 0;
705# endif
706} 345}
707 346
708bool 347void
709rxvt_image::set_file_geometry (const char *file) 348rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
710{ 349{
711 if (!file || !*file) 350 if (!file || !*file)
712 return false; 351 return;
713 352
714 const char *p = strchr (file, ';'); 353 const char *p = strchr (file, ';');
715 354
716 if (p) 355 if (p)
717 { 356 {
… …
720 memcpy (f, file, len); 359 memcpy (f, file, len);
721 f[len] = '\0'; 360 f[len] = '\0';
722 file = f; 361 file = f;
723 } 362 }
724 363
725 bool ret = set_file (file); 364 set_file (s, file);
726 alpha = 0x8000; 365 alpha = 0x8000;
727 if (ret && p)
728 set_geometry (p + 1); 366 set_geometry (p ? p + 1 : "");
729 return ret;
730} 367}
731 368
732bool 369void
733rxvt_image::set_file (const char *file) 370rxvt_image::set_file (rxvt_screen *s, const char *file)
734{ 371{
735 bool ret = false; 372 rxvt_img *img2 = rxvt_img::new_from_file (s, file);
736 373 delete img;
737# ifdef HAVE_PIXBUF 374 img = img2;
738 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
739 if (image)
740 {
741 if (pixbuf)
742 g_object_unref (pixbuf);
743 pixbuf = image;
744 ret = true;
745 }
746# endif
747
748 if (ret)
749 {
750 alpha = 0xffff;
751 flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
752 h_scale = v_scale = defaultScale;
753 h_align = v_align = defaultAlign;
754 }
755
756 return ret;
757} 375}
758 376
759# endif /* BG_IMAGE_FROM_FILE */ 377# endif /* BG_IMAGE_FROM_FILE */
760 378
761# ifdef ENABLE_TRANSPARENCY
762bool 379bool
763rxvt_term::bg_set_blur (const char *geom) 380image_effects::set_blur (const char *geom)
764{ 381{
765 bool changed = false; 382 bool changed = false;
766 unsigned int hr, vr; 383 unsigned int hr, vr;
767 int junk; 384 int junk;
768 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); 385 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
… …
789 406
790 return changed; 407 return changed;
791} 408}
792 409
793bool 410bool
794rxvt_term::bg_set_tint (rxvt_color &new_tint) 411image_effects::set_tint (const rxvt_color &new_tint)
795{ 412{
796 if (!(bg_flags & BG_TINT_SET) || tint != new_tint) 413 if (!tint_set || tint != new_tint)
797 { 414 {
798 tint = new_tint; 415 tint = new_tint;
799 bg_flags |= BG_TINT_SET; 416 tint_set = true;
800
801 rgba c;
802 tint.get (c);
803 if ((c.r <= 0x00ff || c.r >= 0xff00)
804 && (c.g <= 0x00ff || c.g >= 0xff00)
805 && (c.b <= 0x00ff || c.b >= 0xff00))
806 bg_flags |= BG_TINT_BITAND;
807 else
808 bg_flags &= ~BG_TINT_BITAND;
809 417
810 return true; 418 return true;
811 } 419 }
812 420
813 return false; 421 return false;
814} 422}
815 423
816bool 424bool
817rxvt_term::bg_set_shade (const char *shade_str) 425image_effects::set_shade (const char *shade_str)
818{ 426{
819 int new_shade = atoi (shade_str); 427 int new_shade = atoi (shade_str);
820 428
821 clamp_it (new_shade, -100, 200); 429 clamp_it (new_shade, -100, 200);
822 if (new_shade < 0) 430 if (new_shade < 0)
… …
829 } 437 }
830 438
831 return false; 439 return false;
832} 440}
833 441
834#if XRENDER 442# if BG_IMAGE_FROM_ROOT
835static void
836get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
837{
838 double sigma = radius / 2.0;
839 double scale = sqrt (2.0 * M_PI) * sigma;
840 double sum = 0.0;
841
842 for (int i = 0; i < width; i++)
843 {
844 double x = i - width / 2;
845 kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
846 sum += kernel[i];
847 }
848
849 params[0] = XDoubleToFixed (width);
850 params[1] = XDoubleToFixed (1);
851
852 for (int i = 0; i < width; i++)
853 params[i+2] = XDoubleToFixed (kernel[i] / sum);
854}
855#endif
856
857bool
858rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
859{
860 bool ret = false;
861#if XRENDER
862 if (!(bg_flags & BG_HAS_RENDER_CONV))
863 return false;
864
865 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
866 double *kernel = (double *)malloc (size * sizeof (double));
867 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
868
869 XRenderPictureAttributes pa;
870 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
871
872 pa.repeat = RepeatPad;
873 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
874 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
875 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
876 XFreePixmap (dpy, tmp);
877
878 if (kernel && params)
879 {
880 size = h_blurRadius * 2 + 1;
881 get_gaussian_kernel (h_blurRadius, size, kernel, params);
882
883 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
884 XRenderComposite (dpy,
885 PictOpSrc,
886 src,
887 None,
888 dst,
889 0, 0,
890 0, 0,
891 0, 0,
892 width, height);
893
894 ::swap (src, dst);
895
896 size = v_blurRadius * 2 + 1;
897 get_gaussian_kernel (v_blurRadius, size, kernel, params);
898 ::swap (params[0], params[1]);
899
900 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
901 XRenderComposite (dpy,
902 PictOpSrc,
903 src,
904 None,
905 dst,
906 0, 0,
907 0, 0,
908 0, 0,
909 width, height);
910
911 ret = true;
912 }
913
914 free (kernel);
915 free (params);
916 XRenderFreePicture (dpy, src);
917 XRenderFreePicture (dpy, dst);
918#endif
919 return ret;
920}
921
922bool
923rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
924{
925 bool ret = false;
926
927 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
928 {
929 XGCValues gcv;
930 GC gc;
931
932 /* In this case we can tint image server-side getting significant
933 * performance improvements, as we eliminate XImage transfer
934 */
935 gcv.foreground = Pixel (tint);
936 gcv.function = GXand;
937 gcv.fill_style = FillSolid;
938 gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
939 if (gc)
940 {
941 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
942 ret = true;
943 XFreeGC (dpy, gc);
944 }
945 }
946# if XRENDER
947 else if (bg_flags & BG_HAS_RENDER)
948 {
949 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
950
951 if (bg_flags & BG_TINT_SET)
952 tint.get (c);
953
954 if (shade <= 100)
955 {
956 c.r = c.r * shade / 100;
957 c.g = c.g * shade / 100;
958 c.b = c.b * shade / 100;
959 }
960 else
961 {
962 c.r = c.r * (200 - shade) / 100;
963 c.g = c.g * (200 - shade) / 100;
964 c.b = c.b * (200 - shade) / 100;
965 }
966
967 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
968
969 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
970
971 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
972
973 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
974
975 XRenderColor mask_c;
976
977 mask_c.alpha = 0xffff;
978 mask_c.red =
979 mask_c.green =
980 mask_c.blue = 0;
981 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
982
983 mask_c.alpha = 0;
984 mask_c.red = 0xffff - c.r;
985 mask_c.green = 0xffff - c.g;
986 mask_c.blue = 0xffff - c.b;
987 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
988
989 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
990
991 if (shade > 100)
992 {
993 mask_c.alpha = 0;
994 mask_c.red =
995 mask_c.green =
996 mask_c.blue = 0xffff * (shade - 100) / 100;
997 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
998
999 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1000 }
1001
1002 ret = true;
1003
1004 XRenderFreePicture (dpy, mask_pic);
1005 XRenderFreePicture (dpy, overlay_pic);
1006 XRenderFreePicture (dpy, back_pic);
1007 }
1008# endif
1009
1010 return ret;
1011}
1012
1013/* 443/*
1014 * Builds a pixmap of the same size as the terminal window that contains 444 * Builds a pixmap of the same size as the terminal window that contains
1015 * the tiled portion of the root pixmap that is supposed to be covered by 445 * the tiled portion of the root pixmap that is supposed to be covered by
1016 * our window. 446 * our window.
1017 */ 447 */
1018bool 448bool
1019rxvt_term::make_transparency_pixmap () 449rxvt_term::render_root_image ()
1020{ 450{
1021 bool ret = false;
1022
1023 /* root dimensions may change from call to call - but Display structure should 451 /* root dimensions may change from call to call - but Display structure should
1024 * be always up-to-date, so let's use it : 452 * be always up-to-date, so let's use it :
1025 */ 453 */
1026 int screen = display->screen; 454 int screen = display->screen;
1027 int root_depth = DefaultDepth (dpy, screen);
1028 int root_width = DisplayWidth (dpy, screen); 455 int root_width = DisplayWidth (dpy, screen);
1029 int root_height = DisplayHeight (dpy, screen); 456 int root_height = DisplayHeight (dpy, screen);
1030 unsigned int root_pmap_width, root_pmap_height;
1031 int window_width = szHint.width; 457 int parent_width = szHint.width;
1032 int window_height = szHint.height; 458 int parent_height = szHint.height;
1033 int sx, sy; 459 int sx, sy;
1034 XGCValues gcv;
1035 GC gc;
1036 460
1037 sx = target_x; 461 sx = parent_x;
1038 sy = target_y; 462 sy = parent_y;
463
464 if (!root_img)
465 return false;
1039 466
1040 /* check if we are outside of the visible part of the virtual screen : */ 467 /* check if we are outside of the visible part of the virtual screen : */
1041 if (sx + window_width <= 0 || sy + window_height <= 0 468 if (sx + parent_width <= 0 || sy + parent_height <= 0
1042 || sx >= root_width || sy >= root_height) 469 || sx >= root_width || sy >= root_height)
1043 return 0; 470 return 0;
1044 471
1045 // validate root pixmap and get its size 472 while (sx < 0) sx += root_img->w;
1046 if (root_pixmap != None) 473 while (sy < 0) sy += root_img->h;
1047 {
1048 Window wdummy;
1049 int idummy;
1050 unsigned int udummy;
1051 474
1052 allowedxerror = -1; 475 rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
1053 476
1054 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy)) 477 if (root_effects.need_blur ())
1055 root_pixmap = None; 478 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
1056 479
1057 allowedxerror = 0; 480 if (root_effects.need_tint ())
1058 } 481 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
1059 482
1060 Pixmap recoded_root_pmap = root_pixmap;
1061
1062 if (root_pixmap != None && root_depth != depth)
1063 {
1064#if XRENDER
1065 if (bg_flags & BG_HAS_RENDER)
1066 {
1067 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1068
1069 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1070 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1071
1072 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 483 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1073 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0); 484 img->convert_format (format, pix_colors [Color_bg])->replace (img);
1074 485
1075 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 486 delete bg_img;
487 bg_img = img;
1076 488
1077 XRenderFreePicture (dpy, src);
1078 XRenderFreePicture (dpy, dst);
1079 }
1080 else
1081#endif
1082 recoded_root_pmap = None;
1083 }
1084
1085 if (recoded_root_pmap == None)
1086 return 0;
1087
1088 if (bg_pixmap == None
1089 || bg_pmap_width != window_width
1090 || bg_pmap_height != window_height)
1091 {
1092 if (bg_pixmap)
1093 XFreePixmap (dpy, bg_pixmap);
1094 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1095 bg_pmap_width = window_width;
1096 bg_pmap_height = window_height;
1097 }
1098
1099 /* straightforward pixmap copy */
1100 while (sx < 0) sx += root_pmap_width;
1101 while (sy < 0) sy += root_pmap_height;
1102
1103 gcv.tile = recoded_root_pmap;
1104 gcv.fill_style = FillTiled;
1105 gcv.ts_x_origin = -sx;
1106 gcv.ts_y_origin = -sy;
1107 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1108
1109 if (gc)
1110 {
1111 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1112 ret = true;
1113 bool need_blur = h_blurRadius && v_blurRadius;
1114 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1115
1116 if (!(bg_flags & BG_CLIENT_RENDER))
1117 {
1118 if (need_blur)
1119 {
1120 if (blur_pixmap (bg_pixmap, window_width, window_height))
1121 need_blur = false;
1122 }
1123 if (need_tint)
1124 {
1125 if (tint_pixmap (bg_pixmap, window_width, window_height))
1126 need_tint = false;
1127 }
1128 if (need_tint)
1129 {
1130 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1131 if (ximage)
1132 {
1133 /* our own client-side tinting */
1134 tint_ximage (ximage);
1135
1136 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1137 XDestroyImage (ximage);
1138 }
1139 }
1140 } /* server side rendering completed */
1141
1142 XFreeGC (dpy, gc);
1143 }
1144
1145 if (recoded_root_pmap != root_pixmap)
1146 XFreePixmap (dpy, recoded_root_pmap);
1147
1148 return ret; 489 return true;
1149} 490}
1150 491
1151void 492void
1152rxvt_term::bg_set_root_pixmap () 493rxvt_term::bg_set_root_pixmap ()
1153{ 494{
1154 Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); 495 delete root_img;
1155 if (new_root_pixmap == None) 496 root_img = rxvt_img::new_from_root (this);
1156 new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1157
1158 root_pixmap = new_root_pixmap;
1159} 497}
1160# endif /* ENABLE_TRANSPARENCY */ 498# endif /* BG_IMAGE_FROM_ROOT */
1161 499
1162bool 500void
1163rxvt_term::bg_render () 501rxvt_term::bg_render ()
1164{ 502{
503 if (bg_flags & BG_INHIBIT_RENDER)
504 return;
505
1165 bg_invalidate (); 506 bg_invalidate ();
1166# ifdef ENABLE_TRANSPARENCY 507# if BG_IMAGE_FROM_ROOT
1167 if (bg_flags & BG_IS_TRANSPARENT) 508 if (bg_flags & BG_IS_TRANSPARENT)
1168 { 509 {
1169 /* we need to re-generate transparency pixmap in that case ! */ 510 /* we need to re-generate transparency pixmap in that case ! */
1170 if (make_transparency_pixmap ()) 511 if (render_root_image ())
1171 bg_flags |= BG_IS_VALID; 512 bg_flags |= BG_IS_VALID;
1172 } 513 }
1173# endif 514# endif
1174 515
1175# ifdef BG_IMAGE_FROM_FILE 516# if BG_IMAGE_FROM_FILE
1176 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 517 if (fimage.img)
1177 { 518 {
1178 if (render_image (*bg_image)) 519 if (render_image (fimage))
1179 bg_flags |= BG_IS_VALID; 520 bg_flags |= BG_IS_VALID;
1180 } 521 }
1181# endif 522# endif
1182 523
1183 if (!(bg_flags & BG_IS_VALID)) 524 if (!(bg_flags & BG_IS_VALID))
1184 { 525 {
1185 if (bg_pixmap != None) 526 delete bg_img;
1186 { 527 bg_img = 0;
1187 XFreePixmap (dpy, bg_pixmap);
1188 bg_pixmap = None;
1189 }
1190 } 528 }
1191 529
1192 scr_recolour (false); 530 scr_recolour (false);
1193 bg_flags |= BG_NEEDS_REFRESH; 531 bg_flags |= BG_NEEDS_REFRESH;
1194 532
1195 bg_valid_since = ev::now (); 533 bg_valid_since = ev::now ();
1196
1197 return true;
1198} 534}
1199 535
1200void 536void
1201rxvt_term::bg_init () 537rxvt_term::bg_init ()
1202{ 538{
1203#ifdef ENABLE_TRANSPARENCY 539#if BG_IMAGE_FROM_ROOT
1204 shade = 100; 540 if (option (Opt_transparent))
541 {
542 bg_set_transparent ();
543
544 if (rs [Rs_blurradius])
545 root_effects.set_blur (rs [Rs_blurradius]);
546
547 if (ISSET_PIXCOLOR (Color_tint))
548 root_effects.set_tint (pix_colors_focused [Color_tint]);
549
550 if (rs [Rs_shade])
551 root_effects.set_shade (rs [Rs_shade]);
552
553 bg_set_root_pixmap ();
554 XSelectInput (dpy, display->root, PropertyChangeMask);
555 rootwin_ev.start (display, display->root);
556 }
1205#endif 557#endif
1206 558
1207 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); 559#if BG_IMAGE_FROM_FILE
1208#if XRENDER 560 if (rs[Rs_backgroundPixmap])
1209 int major, minor;
1210 if (XRenderQueryVersion (dpy, &major, &minor))
1211 bg_flags |= BG_HAS_RENDER;
1212 XFilters *filters = XRenderQueryFilters (dpy, vt);
1213 if (filters)
1214 { 561 {
1215 for (int i = 0; i < filters->nfilter; i++) 562 fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
1216 if (!strcmp (filters->filter[i], FilterConvolution)) 563 if (!bg_window_position_sensitive ())
1217 bg_flags |= BG_HAS_RENDER_CONV; 564 update_background ();
1218
1219 XFree (filters);
1220 } 565 }
1221#endif 566#endif
1222
1223#ifdef BG_IMAGE_FROM_FILE
1224 if (rs[Rs_backgroundPixmap])
1225 {
1226 rxvt_image *image = new_image ();
1227 if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
1228 image_vec.pop_back ();
1229 }
1230
1231# ifndef NO_RESOURCES
1232 find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
1233 vector<rxvt_image>::iterator bg_image = image_vec.begin ();
1234 while (bg_image != image_vec.end ())
1235 {
1236 if (!(bg_image->flags & IM_IS_SET))
1237 bg_image = image_vec.erase (bg_image);
1238 else
1239 bg_image++;
1240 }
1241# endif
1242
1243 if (image_vec.size () > 0
1244 && !bg_window_position_sensitive ())
1245 update_background ();
1246#endif
1247} 567}
1248 568
1249#endif /* HAVE_BG_PIXMAP */
1250
1251#ifdef ENABLE_TRANSPARENCY
1252/* based on code from aterm-0.4.2 */
1253
1254static inline void
1255fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1256{
1257 for (int i = 0; i <= mask >> sh; i++)
1258 {
1259 uint32_t tmp;
1260 tmp = i * high;
1261 tmp += (mask >> sh) * low;
1262 lookup[i] = (tmp / 0xffff) << sh;
1263 }
1264}
1265
1266void 569void
1267rxvt_term::tint_ximage (XImage *ximage) 570rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1268{ 571{
1269 unsigned int size_r, size_g, size_b;
1270 int sh_r, sh_g, sh_b;
1271 uint32_t mask_r, mask_g, mask_b;
1272 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1273 unsigned short low;
1274 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1275
1276 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1277
1278 /* for convenience */
1279 mask_r = visual->red_mask;
1280 mask_g = visual->green_mask;
1281 mask_b = visual->blue_mask;
1282
1283 /* boring lookup table pre-initialization */
1284 sh_r = ecb_ctz32 (mask_r);
1285 sh_g = ecb_ctz32 (mask_g);
1286 sh_b = ecb_ctz32 (mask_b);
1287
1288 size_r = mask_r >> sh_r;
1289 size_g = mask_g >> sh_g;
1290 size_b = mask_b >> sh_b;
1291
1292 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1293 return;
1294
1295 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1296 lookup_r = lookup;
1297 lookup_g = lookup + size_r;
1298 lookup_b = lookup + size_r + size_g;
1299
1300 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 572 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1301 573
1302 if (bg_flags & BG_TINT_SET) 574 if (tint_set)
1303 tint.get (c); 575 tint.get (c);
1304 576
1305 /* prepare limits for color transformation (each channel is handled separately) */
1306 if (shade > 100) 577 if (shade > 100)
1307 { 578 {
1308 c.r = c.r * (200 - shade) / 100; 579 c.r = c.r * (200 - shade) / 100;
1309 c.g = c.g * (200 - shade) / 100; 580 c.g = c.g * (200 - shade) / 100;
1310 c.b = c.b * (200 - shade) / 100; 581 c.b = c.b * (200 - shade) / 100;
1311
1312 low = 0xffff * (shade - 100) / 100;
1313 } 582 }
1314 else 583 else
1315 { 584 {
1316 c.r = c.r * shade / 100; 585 c.r = c.r * shade / 100;
1317 c.g = c.g * shade / 100; 586 c.g = c.g * shade / 100;
1318 c.b = c.b * shade / 100; 587 c.b = c.b * shade / 100;
1319
1320 low = 0;
1321 }
1322
1323 /* fill our lookup tables */
1324 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1325 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1326 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1327
1328 /* apply table to input image (replacing colors by newly calculated ones) */
1329 if (ximage->bits_per_pixel == 32
1330 && ximage->byte_order == host_byte_order)
1331 { 588 }
1332 char *line = ximage->data;
1333 589
1334 for (int y = 0; y < ximage->height; y++) 590 img->contrast (c.r, c.g, c.b, c.a);
1335 { 591
1336 uint32_t *p = (uint32_t *)line; 592 if (shade > 100)
1337 for (int x = 0; x < ximage->width; x++)
1338 {
1339 *p = lookup_r[(*p & mask_r) >> sh_r] |
1340 lookup_g[(*p & mask_g) >> sh_g] |
1341 lookup_b[(*p & mask_b) >> sh_b];
1342 p++;
1343 }
1344 line += ximage->bytes_per_line;
1345 }
1346 } 593 {
1347 else 594 c.a = 0xffff;
595 c.r =
596 c.g =
597 c.b = 0xffff * (shade - 100) / 100;
598 img->brightness (c.r, c.g, c.b, c.a);
1348 { 599 }
1349 for (int y = 0; y < ximage->height; y++)
1350 for (int x = 0; x < ximage->width; x++)
1351 {
1352 unsigned long pixel = XGetPixel (ximage, x, y);
1353 pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1354 lookup_g[(pixel & mask_g) >> sh_g] |
1355 lookup_b[(pixel & mask_b) >> sh_b];
1356 XPutPixel (ximage, x, y, pixel);
1357 }
1358 }
1359
1360 free (lookup);
1361} 600}
1362#endif /* ENABLE_TRANSPARENCY */ 601
602#endif /* HAVE_BG_PIXMAP */

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