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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.217 by sf-exg, Sun May 20 16:34:42 2012 UTC vs.
Revision 1.252 by sf-exg, Sun Dec 30 15:38:03 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 BG_IMAGE_FROM_ROOT
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
41}
70 42
71 if (target_x != x 43bool
72 || target_y != y) 44rxvt_term::bg_window_size_sensitive ()
45{
46# if BG_IMAGE_FROM_ROOT
47 if (option (Opt_transparent))
48 return true;
49# endif
50
51# if BG_IMAGE_FROM_FILE
52 if (fimage.img)
73 { 53 {
74 target_x = x; 54 if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
75 target_y = y; 55 || fimage.img->w > szHint.width
56 || fimage.img->h > szHint.height)
76 return true; 57 return true;
77 } 58 }
59# endif
60
78 return false; 61 return false;
79} 62}
80 63
81bool 64bool
82rxvt_term::bg_window_size_sensitive () 65rxvt_term::bg_window_position_sensitive ()
83{ 66{
84# ifdef ENABLE_TRANSPARENCY 67# if BG_IMAGE_FROM_ROOT
85 if (bg_flags & BG_IS_TRANSPARENT) 68 if (option (Opt_transparent))
86 return true; 69 return true;
87# endif 70# endif
88 71
89# ifdef BG_IMAGE_FROM_FILE 72# if BG_IMAGE_FROM_FILE
90 if (bg_image.flags & IM_IS_SET) 73 if (fimage.img)
91 { 74 {
92 if ((bg_image.flags & IM_IS_SIZE_SENSITIVE) 75 if (fimage.flags & IM_ROOT_ALIGN)
93 || bg_image.width () > szHint.width
94 || bg_image.height () > szHint.height)
95 return true; 76 return true;
96 } 77 }
97# endif 78# endif
98 79
99 return false; 80 return false;
100} 81}
101 82
102bool
103rxvt_term::bg_window_position_sensitive ()
104{
105# ifdef ENABLE_TRANSPARENCY
106 if (bg_flags & BG_IS_TRANSPARENT)
107 return true;
108# endif
109
110# ifdef BG_IMAGE_FROM_FILE 83# if BG_IMAGE_FROM_FILE
111 if (bg_image.flags & IM_IS_SET)
112 {
113 if (bg_image.flags & IM_ROOT_ALIGN)
114 return true;
115 }
116# endif
117
118 return false;
119}
120
121# ifdef BG_IMAGE_FROM_FILE
122static inline int 84static inline int
123make_align_position (int align, int window_size, int image_size) 85make_align_position (int align, int window_size, int image_size)
124{ 86{
125 if (align >= 0 && align <= 100) 87 if (align >= 0 && align <= 100)
126 return lerp (0, window_size - image_size, align); 88 return lerp (0, window_size - image_size, align);
… …
128 return lerp (window_size - image_size, window_size, align - 100); 90 return lerp (window_size - image_size, window_size, align - 100);
129 else 91 else
130 return lerp (-image_size, 0, align + 100); 92 return lerp (-image_size, 0, align + 100);
131} 93}
132 94
133static inline int 95static void
134make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 96parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
135{ 97{
136 int src_pos = 0; 98 if (!strcasecmp (style, "tiled"))
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 } 99 {
145 100 flags = IM_TILE;
146 min_it (dst_size, target_size - dst_pos); 101 w = h = noScale;
147 return src_pos; 102 x = y = 0;
103 }
104 else if (!strcasecmp (style, "aspect-stretched"))
105 {
106 flags = IM_KEEP_ASPECT;
107 w = h = windowScale;
108 x = y = centerAlign;
109 }
110 else if (!strcasecmp (style, "stretched"))
111 {
112 flags = 0;
113 w = h = windowScale;
114 x = y = centerAlign;
115 }
116 else if (!strcasecmp (style, "centered"))
117 {
118 flags = 0;
119 w = h = noScale;
120 x = y = centerAlign;
121 }
122 else if (!strcasecmp (style, "root-tiled"))
123 {
124 flags = IM_TILE|IM_ROOT_ALIGN;
125 w = h = noScale;
126 x = y = 0;
127 }
148} 128}
149 129
150bool 130bool
151rxvt_image::set_geometry (const char *geom, bool update) 131rxvt_image::set_geometry (const char *geom, bool update)
152{ 132{
… …
154 int geom_flags = 0; 134 int geom_flags = 0;
155 int x = h_align; 135 int x = h_align;
156 int y = v_align; 136 int y = v_align;
157 unsigned int w = h_scale; 137 unsigned int w = h_scale;
158 unsigned int h = v_scale; 138 unsigned int h = v_scale;
159 unsigned long new_flags = 0; 139 uint8_t new_flags = 0;
160 140
161 if (geom == NULL) 141 if (geom == NULL)
162 return false; 142 return false;
163 143
164 if (geom[0]) 144 if (geom[0])
165 { 145 {
166 char **arr = rxvt_strsplit (':', geom); 146 char **arr = rxvt_strsplit (':', geom);
167 147
168 for (int i = 0; arr[i]; i++) 148 for (int i = 0; arr[i]; i++)
169 { 149 {
170 if (!strcasecmp (arr[i], "style=tiled")) 150 if (!strncasecmp (arr[i], "style=", 6))
171 { 151 {
172 new_flags = IM_TILE; 152 parse_style (arr[i] + 6, x, y, w, h, new_flags);
173 w = h = noScale;
174 x = y = 0;
175 geom_flags = WidthValue|HeightValue|XValue|YValue; 153 geom_flags = WidthValue|HeightValue|XValue|YValue;
176 }
177 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
178 {
179 new_flags = IM_KEEP_ASPECT;
180 w = h = windowScale;
181 x = y = centerAlign;
182 geom_flags = WidthValue|HeightValue|XValue|YValue;
183 }
184 else if (!strcasecmp (arr[i], "style=stretched"))
185 {
186 new_flags = 0;
187 w = h = windowScale;
188 geom_flags = WidthValue|HeightValue;
189 }
190 else if (!strcasecmp (arr[i], "style=centered"))
191 {
192 new_flags = 0;
193 w = h = noScale;
194 x = y = centerAlign;
195 geom_flags = WidthValue|HeightValue|XValue|YValue;
196 }
197 else if (!strcasecmp (arr[i], "style=root-tiled"))
198 {
199 new_flags = IM_TILE|IM_ROOT_ALIGN;
200 w = h = noScale;
201 geom_flags = WidthValue|HeightValue;
202 } 154 }
203 else if (!strcasecmp (arr[i], "op=tile")) 155 else if (!strcasecmp (arr[i], "op=tile"))
204 new_flags |= IM_TILE; 156 new_flags |= IM_TILE;
205 else if (!strcasecmp (arr[i], "op=keep-aspect")) 157 else if (!strcasecmp (arr[i], "op=keep-aspect"))
206 new_flags |= IM_KEEP_ASPECT; 158 new_flags |= IM_KEEP_ASPECT;
… …
291 h_align = x; 243 h_align = x;
292 v_align = y; 244 v_align = y;
293 changed = true; 245 changed = true;
294 } 246 }
295 247
296 if (!(flags & IM_TILE) 248 if (is_size_sensitive ())
297 || h_scale || v_scale
298 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
299 flags |= IM_IS_SIZE_SENSITIVE; 249 flags |= IM_IS_SIZE_SENSITIVE;
300 else 250 else
301 flags &= ~IM_IS_SIZE_SENSITIVE; 251 flags &= ~IM_IS_SIZE_SENSITIVE;
302 252
303 return changed; 253 return changed;
304} 254}
305 255
306void 256void
307rxvt_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)
308{ 258{
309 int image_width = image.width (); 259 int image_width = image.img->w;
310 int image_height = image.height (); 260 int image_height = image.img->h;
311 int target_width = szHint.width; 261 int parent_width = szHint.width;
312 int target_height = szHint.height; 262 int parent_height = szHint.height;
313 int h_scale = min (image.h_scale, 32767 * 100 / target_width); 263 int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
314 int v_scale = min (image.v_scale, 32767 * 100 / target_height); 264 int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
315 265
316 w = h_scale * target_width / 100; 266 w = h_scale * parent_width / 100;
317 h = v_scale * target_height / 100; 267 h = v_scale * parent_height / 100;
318 268
319 if (image.flags & IM_KEEP_ASPECT) 269 if (image.flags & IM_KEEP_ASPECT)
320 { 270 {
321 float scale = (float)w / image_width; 271 float scale = (float)w / image_width;
322 min_it (scale, (float)h / image_height); 272 min_it (scale, (float)h / image_height);
… …
327 if (!w) w = image_width; 277 if (!w) w = image_width;
328 if (!h) h = image_height; 278 if (!h) h = image_height;
329 279
330 if (image.flags & IM_ROOT_ALIGN) 280 if (image.flags & IM_ROOT_ALIGN)
331 { 281 {
332 x = -target_x; 282 x = -parent_x;
333 y = -target_y; 283 y = -parent_y;
334 } 284 }
335 else 285 else
336 { 286 {
337 x = make_align_position (image.h_align, target_width, w); 287 x = make_align_position (image.h_align, parent_width, w);
338 y = make_align_position (image.v_align, target_height, h); 288 y = make_align_position (image.v_align, parent_height, h);
339 }
340}
341
342# ifdef HAVE_PIXBUF
343bool
344rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
345 int src_x, int src_y, int dst_x, int dst_y,
346 unsigned int width, unsigned int height)
347{
348 XImage *ximage;
349 char *line;
350 int width_r, width_g, width_b, width_a;
351 int sh_r, sh_g, sh_b, sh_a;
352 uint32_t alpha_mask;
353 int rowstride;
354 int channels;
355 unsigned char *row;
356
357 if (visual->c_class != TrueColor)
358 return false;
359
360#if XRENDER
361 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
362 if (format)
363 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
364 else
365#endif
366 alpha_mask = 0;
367
368 width_r = ecb_popcount32 (visual->red_mask);
369 width_g = ecb_popcount32 (visual->green_mask);
370 width_b = ecb_popcount32 (visual->blue_mask);
371 width_a = ecb_popcount32 (alpha_mask);
372
373 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
374 return false;
375
376 sh_r = ecb_ctz32 (visual->red_mask);
377 sh_g = ecb_ctz32 (visual->green_mask);
378 sh_b = ecb_ctz32 (visual->blue_mask);
379 sh_a = ecb_ctz32 (alpha_mask);
380
381 if (width > 32767 || height > 32767)
382 return false;
383
384 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
385 width, height, 32, 0);
386 if (!ximage)
387 return false;
388
389 if (height > INT_MAX / ximage->bytes_per_line
390 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
391 { 289 }
392 XDestroyImage (ximage);
393 return false;
394 }
395
396 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
397
398 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
399 channels = gdk_pixbuf_get_n_channels (pixbuf);
400 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
401 line = ximage->data;
402
403 rgba c (0, 0, 0);
404
405 if (channels == 4 && alpha_mask == 0)
406 {
407 pix_colors[Color_bg].get (c);
408 c.r >>= 8;
409 c.g >>= 8;
410 c.b >>= 8;
411 }
412
413 for (int y = 0; y < height; y++)
414 {
415 for (int x = 0; x < width; x++)
416 {
417 unsigned char *pixel = row + x * channels;
418 uint32_t value;
419 unsigned char r, g, b, a;
420
421 if (channels == 4)
422 {
423 a = pixel[3];
424 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
425 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
426 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
427 }
428 else
429 {
430 a = 0xff;
431 r = pixel[0];
432 g = pixel[1];
433 b = pixel[2];
434 }
435
436 value = ((r >> (8 - width_r)) << sh_r)
437 | ((g >> (8 - width_g)) << sh_g)
438 | ((b >> (8 - width_b)) << sh_b)
439 | ((a >> (8 - width_a)) << sh_a);
440
441 if (ximage->bits_per_pixel == 32)
442 ((uint32_t *)line)[x] = value;
443 else
444 XPutPixel (ximage, x, y, value);
445 }
446
447 row += rowstride;
448 line += ximage->bytes_per_line;
449 }
450
451 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
452 XDestroyImage (ximage);
453 return true;
454} 290}
455 291
456bool 292bool
457rxvt_term::render_image (rxvt_image &image) 293rxvt_term::render_image (rxvt_image &image)
458{ 294{
459 GdkPixbuf *pixbuf = image.pixbuf;
460 if (!pixbuf)
461 return false;
462
463 bool need_blend = bg_flags & BG_IS_VALID;
464
465 if (need_blend
466 && !(bg_flags & BG_HAS_RENDER))
467 return false;
468
469 GdkPixbuf *result;
470
471 int image_width = gdk_pixbuf_get_width (pixbuf);
472 int image_height = gdk_pixbuf_get_height (pixbuf);
473
474 int target_width = szHint.width; 295 int parent_width = szHint.width;
475 int target_height = szHint.height; 296 int parent_height = szHint.height;
476 int new_pmap_width = target_width;
477 int new_pmap_height = target_height;
478 297
479 int x = 0; 298 int x = 0;
480 int y = 0; 299 int y = 0;
481 int w = 0; 300 int w = 0;
482 int h = 0; 301 int h = 0;
483 302
484 get_image_geometry (image, w, h, x, y); 303 get_image_geometry (image, w, h, x, y);
485 304
486 if (!(image.flags & IM_ROOT_ALIGN) 305 if (!(image.flags & IM_ROOT_ALIGN)
487 && (x >= target_width 306 && (x >= parent_width
488 || y >= target_height 307 || y >= parent_height
489 || x + w <= 0 308 || x + w <= 0
490 || y + h <= 0)) 309 || y + h <= 0))
491 return false; 310 return false;
492 311
493 result = pixbuf; 312 rxvt_img *img = image.img->scale (w, h);
494 313
495 if (w != image_width 314 if (image.flags & IM_TILE)
496 || h != image_height) 315 img->repeat_mode (RepeatNormal);
497 {
498 result = gdk_pixbuf_scale_simple (pixbuf,
499 w, h,
500 GDK_INTERP_BILINEAR);
501 }
502
503 if (!result)
504 return false;
505
506 bool ret = false;
507
508 XGCValues gcv;
509 GC gc;
510 Pixmap tmp_pixmap;
511
512 image_width = gdk_pixbuf_get_width (result);
513 image_height = gdk_pixbuf_get_height (result);
514
515 if (need_blend)
516 {
517 tmp_pixmap = bg_pixmap;
518 bg_pixmap = None;
519 }
520 else 316 else
521 { 317 img->repeat_mode (RepeatNone);
522 if (image.flags & IM_TILE) 318 img->sub_rect (-x, -y, parent_width, parent_height)->replace (img);
523 {
524 new_pmap_width = min (image_width, target_width);
525 new_pmap_height = min (image_height, target_height);
526 }
527 }
528 319
529 if (bg_pixmap == None 320 if (bg_img)
530 || bg_pmap_width != new_pmap_width 321 img->draw (bg_img, PictOpOver, image.alpha * 1. / 0xffff);
531 || bg_pmap_height != new_pmap_height)
532 {
533 if (bg_pixmap)
534 XFreePixmap (dpy, bg_pixmap);
535 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
536 bg_pmap_width = new_pmap_width;
537 bg_pmap_height = new_pmap_height;
538 }
539 322
540 gcv.foreground = pix_colors[Color_bg];
541 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
542
543 if (gc)
544 {
545 if (image.flags & IM_TILE)
546 {
547 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
548 pixbuf_to_pixmap (result, tile, gc,
549 0, 0,
550 0, 0,
551 image_width, image_height);
552
553 gcv.tile = tile;
554 gcv.fill_style = FillTiled;
555 gcv.ts_x_origin = x;
556 gcv.ts_y_origin = y;
557 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
558
559 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
560 XFreePixmap (dpy, tile);
561 }
562 else
563 {
564 int src_x, src_y, dst_x, dst_y;
565 int dst_width, dst_height;
566
567 src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
568 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
569
570 if (dst_x > 0 || dst_y > 0
571 || dst_x + dst_width < new_pmap_width
572 || dst_y + dst_height < new_pmap_height)
573 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574
575 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
576 pixbuf_to_pixmap (result, bg_pixmap, gc,
577 src_x, src_y,
578 dst_x, dst_y,
579 dst_width, dst_height);
580 }
581
582#if XRENDER
583 if (need_blend)
584 {
585 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 323 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
324 img->convert_format (format, pix_colors [Color_bg])->replace (img);
586 325
587 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0); 326 delete bg_img;
327 bg_img = img;
588 328
589 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
590
591 Picture mask = create_xrender_mask (dpy, vt, False, False);
592
593 XRenderColor mask_c;
594
595 mask_c.alpha = 0x8000;
596 mask_c.red =
597 mask_c.green =
598 mask_c.blue = 0;
599 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
600
601 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
602
603 XRenderFreePicture (dpy, src);
604 XRenderFreePicture (dpy, dst);
605 XRenderFreePicture (dpy, mask);
606 }
607#endif
608
609 XFreeGC (dpy, gc);
610
611 ret = true;
612 }
613
614 if (result != pixbuf)
615 g_object_unref (result);
616
617 if (need_blend)
618 XFreePixmap (dpy, tmp_pixmap);
619
620 return ret; 329 return true;
621} 330}
622# endif /* HAVE_PIXBUF */
623 331
624bool 332rxvt_image::rxvt_image ()
333{
334 alpha = 0xffff;
335 flags = 0;
336 h_scale =
337 v_scale = defaultScale;
338 h_align =
339 v_align = defaultAlign;
340
341 img = 0;
342}
343
344void
625rxvt_image::set_file (const char *file) 345rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
626{ 346{
627 if (!file || !*file) 347 if (!file || !*file)
628 return false; 348 return;
629 349
630 bool ret = false;
631 const char *p = strchr (file, ';'); 350 const char *p = strchr (file, ';');
632 351
633 if (p) 352 if (p)
634 { 353 {
635 size_t len = p - file; 354 size_t len = p - file;
… …
637 memcpy (f, file, len); 356 memcpy (f, file, len);
638 f[len] = '\0'; 357 f[len] = '\0';
639 file = f; 358 file = f;
640 } 359 }
641 360
642# ifdef HAVE_PIXBUF 361 set_file (s, file);
643 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 362 alpha = 0x8000;
644 if (image)
645 {
646 if (pixbuf)
647 g_object_unref (pixbuf);
648 pixbuf = image;
649 ret = true;
650 }
651# endif
652
653 if (ret)
654 {
655 flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
656 h_scale = v_scale = defaultScale;
657 h_align = v_align = defaultAlign;
658
659 if (p)
660 set_geometry (p + 1); 363 set_geometry (p ? p + 1 : "");
661 } 364}
662 365
663 return ret; 366void
367rxvt_image::set_file (rxvt_screen *s, const char *file)
368{
369 rxvt_img *img2 = rxvt_img::new_from_file (s, file);
370 delete img;
371 img = img2;
664} 372}
665 373
666# endif /* BG_IMAGE_FROM_FILE */ 374# endif /* BG_IMAGE_FROM_FILE */
667 375
668# ifdef ENABLE_TRANSPARENCY
669bool 376bool
670rxvt_term::bg_set_blur (const char *geom) 377image_effects::set_blur (const char *geom)
671{ 378{
672 bool changed = false; 379 bool changed = false;
673 unsigned int hr, vr; 380 unsigned int hr, vr;
674 int junk; 381 int junk;
675 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); 382 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
… …
696 403
697 return changed; 404 return changed;
698} 405}
699 406
700bool 407bool
701rxvt_term::bg_set_tint (rxvt_color &new_tint) 408image_effects::set_tint (const rxvt_color &new_tint)
702{ 409{
703 if (!(bg_flags & BG_TINT_SET) || tint != new_tint) 410 if (!tint_set || tint != new_tint)
704 { 411 {
705 tint = new_tint; 412 tint = new_tint;
706 bg_flags |= BG_TINT_SET; 413 tint_set = true;
707
708 rgba c;
709 tint.get (c);
710 if ((c.r <= 0x00ff || c.r >= 0xff00)
711 && (c.g <= 0x00ff || c.g >= 0xff00)
712 && (c.b <= 0x00ff || c.b >= 0xff00))
713 bg_flags |= BG_TINT_BITAND;
714 else
715 bg_flags &= ~BG_TINT_BITAND;
716 414
717 return true; 415 return true;
718 } 416 }
719 417
720 return false; 418 return false;
721} 419}
722 420
723bool 421bool
724rxvt_term::bg_set_shade (const char *shade_str) 422image_effects::set_shade (const char *shade_str)
725{ 423{
726 int new_shade = atoi (shade_str); 424 int new_shade = atoi (shade_str);
727 425
728 clamp_it (new_shade, -100, 200); 426 clamp_it (new_shade, -100, 200);
729 if (new_shade < 0) 427 if (new_shade < 0)
… …
736 } 434 }
737 435
738 return false; 436 return false;
739} 437}
740 438
741#if XRENDER 439# if BG_IMAGE_FROM_ROOT
742static void
743get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
744{
745 double sigma = radius / 2.0;
746 double scale = sqrt (2.0 * M_PI) * sigma;
747 double sum = 0.0;
748
749 for (int i = 0; i < width; i++)
750 {
751 double x = i - width / 2;
752 kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
753 sum += kernel[i];
754 }
755
756 params[0] = XDoubleToFixed (width);
757 params[1] = XDoubleToFixed (1);
758
759 for (int i = 0; i < width; i++)
760 params[i+2] = XDoubleToFixed (kernel[i] / sum);
761}
762#endif
763
764bool
765rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
766{
767 bool ret = false;
768#if XRENDER
769 if (!(bg_flags & BG_HAS_RENDER_CONV))
770 return false;
771
772 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
773 double *kernel = (double *)malloc (size * sizeof (double));
774 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
775
776 XRenderPictureAttributes pa;
777 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
778
779 pa.repeat = RepeatPad;
780 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
781 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
782 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
783 XFreePixmap (dpy, tmp);
784
785 if (kernel && params)
786 {
787 size = h_blurRadius * 2 + 1;
788 get_gaussian_kernel (h_blurRadius, size, kernel, params);
789
790 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
791 XRenderComposite (dpy,
792 PictOpSrc,
793 src,
794 None,
795 dst,
796 0, 0,
797 0, 0,
798 0, 0,
799 width, height);
800
801 ::swap (src, dst);
802
803 size = v_blurRadius * 2 + 1;
804 get_gaussian_kernel (v_blurRadius, size, kernel, params);
805 ::swap (params[0], params[1]);
806
807 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
808 XRenderComposite (dpy,
809 PictOpSrc,
810 src,
811 None,
812 dst,
813 0, 0,
814 0, 0,
815 0, 0,
816 width, height);
817
818 ret = true;
819 }
820
821 free (kernel);
822 free (params);
823 XRenderFreePicture (dpy, src);
824 XRenderFreePicture (dpy, dst);
825#endif
826 return ret;
827}
828
829bool
830rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
831{
832 bool ret = false;
833
834 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
835 {
836 XGCValues gcv;
837 GC gc;
838
839 /* In this case we can tint image server-side getting significant
840 * performance improvements, as we eliminate XImage transfer
841 */
842 gcv.foreground = Pixel (tint);
843 gcv.function = GXand;
844 gcv.fill_style = FillSolid;
845 gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
846 if (gc)
847 {
848 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
849 ret = true;
850 XFreeGC (dpy, gc);
851 }
852 }
853# if XRENDER
854 else if (bg_flags & BG_HAS_RENDER)
855 {
856 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
857
858 if (bg_flags & BG_TINT_SET)
859 tint.get (c);
860
861 if (shade <= 100)
862 {
863 c.r = c.r * shade / 100;
864 c.g = c.g * shade / 100;
865 c.b = c.b * shade / 100;
866 }
867 else
868 {
869 c.r = c.r * (200 - shade) / 100;
870 c.g = c.g * (200 - shade) / 100;
871 c.b = c.b * (200 - shade) / 100;
872 }
873
874 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
875
876 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
877
878 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
879
880 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
881
882 XRenderColor mask_c;
883
884 mask_c.alpha = 0xffff;
885 mask_c.red =
886 mask_c.green =
887 mask_c.blue = 0;
888 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
889
890 mask_c.alpha = 0;
891 mask_c.red = 0xffff - c.r;
892 mask_c.green = 0xffff - c.g;
893 mask_c.blue = 0xffff - c.b;
894 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
895
896 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
897
898 if (shade > 100)
899 {
900 mask_c.alpha = 0;
901 mask_c.red =
902 mask_c.green =
903 mask_c.blue = 0xffff * (shade - 100) / 100;
904 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
905
906 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
907 }
908
909 ret = true;
910
911 XRenderFreePicture (dpy, mask_pic);
912 XRenderFreePicture (dpy, overlay_pic);
913 XRenderFreePicture (dpy, back_pic);
914 }
915# endif
916
917 return ret;
918}
919
920/* 440/*
921 * 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
922 * 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
923 * our window. 443 * our window.
924 */ 444 */
925bool 445bool
926rxvt_term::make_transparency_pixmap () 446rxvt_term::render_root_image ()
927{ 447{
928 bool ret = false;
929
930 /* 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
931 * be always up-to-date, so let's use it : 449 * be always up-to-date, so let's use it :
932 */ 450 */
933 int screen = display->screen; 451 int screen = display->screen;
934 int root_depth = DefaultDepth (dpy, screen);
935 int root_width = DisplayWidth (dpy, screen); 452 int root_width = DisplayWidth (dpy, screen);
936 int root_height = DisplayHeight (dpy, screen); 453 int root_height = DisplayHeight (dpy, screen);
937 unsigned int root_pmap_width, root_pmap_height;
938 int window_width = szHint.width; 454 int parent_width = szHint.width;
939 int window_height = szHint.height; 455 int parent_height = szHint.height;
940 int sx, sy; 456 int sx, sy;
941 XGCValues gcv;
942 GC gc;
943 457
944 sx = target_x; 458 sx = parent_x;
945 sy = target_y; 459 sy = parent_y;
460
461 if (!root_img)
462 return false;
946 463
947 /* 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 : */
948 if (sx + window_width <= 0 || sy + window_height <= 0 465 if (sx + parent_width <= 0 || sy + parent_height <= 0
949 || sx >= root_width || sy >= root_height) 466 || sx >= root_width || sy >= root_height)
950 return 0; 467 return 0;
951 468
952 // validate root pixmap and get its size 469 while (sx < 0) sx += root_img->w;
953 if (root_pixmap != None) 470 while (sy < 0) sy += root_img->h;
954 {
955 Window wdummy;
956 int idummy;
957 unsigned int udummy;
958 471
959 allowedxerror = -1; 472 rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
960 473
961 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy)) 474 if (root_effects.need_blur ())
962 root_pixmap = None; 475 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
963 476
964 allowedxerror = 0; 477 if (root_effects.need_tint ())
965 } 478 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
966 479
967 Pixmap recoded_root_pmap = root_pixmap;
968
969 if (root_pixmap != None && root_depth != depth)
970 {
971#if XRENDER
972 if (bg_flags & BG_HAS_RENDER)
973 {
974 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
975
976 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
977 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
978
979 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 480 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
980 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0); 481 img->convert_format (format, pix_colors [Color_bg])->replace (img);
981 482
982 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;
983 485
984 XRenderFreePicture (dpy, src);
985 XRenderFreePicture (dpy, dst);
986 }
987 else
988#endif
989 recoded_root_pmap = None;
990 }
991
992 if (recoded_root_pmap == None)
993 return 0;
994
995 if (bg_pixmap == None
996 || bg_pmap_width != window_width
997 || bg_pmap_height != window_height)
998 {
999 if (bg_pixmap)
1000 XFreePixmap (dpy, bg_pixmap);
1001 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1002 bg_pmap_width = window_width;
1003 bg_pmap_height = window_height;
1004 }
1005
1006 /* straightforward pixmap copy */
1007 while (sx < 0) sx += root_pmap_width;
1008 while (sy < 0) sy += root_pmap_height;
1009
1010 gcv.tile = recoded_root_pmap;
1011 gcv.fill_style = FillTiled;
1012 gcv.ts_x_origin = -sx;
1013 gcv.ts_y_origin = -sy;
1014 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1015
1016 if (gc)
1017 {
1018 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1019 ret = true;
1020 bool need_blur = h_blurRadius && v_blurRadius;
1021 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1022
1023 if (!(bg_flags & BG_CLIENT_RENDER))
1024 {
1025 if (need_blur)
1026 {
1027 if (blur_pixmap (bg_pixmap, window_width, window_height))
1028 need_blur = false;
1029 }
1030 if (need_tint)
1031 {
1032 if (tint_pixmap (bg_pixmap, window_width, window_height))
1033 need_tint = false;
1034 }
1035 if (need_tint)
1036 {
1037 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1038 if (ximage)
1039 {
1040 /* our own client-side tinting */
1041 tint_ximage (ximage);
1042
1043 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1044 XDestroyImage (ximage);
1045 }
1046 }
1047 } /* server side rendering completed */
1048
1049 XFreeGC (dpy, gc);
1050 }
1051
1052 if (recoded_root_pmap != root_pixmap)
1053 XFreePixmap (dpy, recoded_root_pmap);
1054
1055 return ret; 486 return true;
1056} 487}
1057 488
1058void 489void
1059rxvt_term::bg_set_root_pixmap () 490rxvt_term::bg_set_root_pixmap ()
1060{ 491{
1061 Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); 492 delete root_img;
1062 if (new_root_pixmap == None) 493 root_img = rxvt_img::new_from_root (this);
1063 new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1064
1065 root_pixmap = new_root_pixmap;
1066} 494}
1067# endif /* ENABLE_TRANSPARENCY */ 495# endif /* BG_IMAGE_FROM_ROOT */
1068 496
1069bool 497void
1070rxvt_term::bg_render () 498rxvt_term::bg_render ()
1071{ 499{
1072 bg_invalidate (); 500 if (bg_flags & BG_INHIBIT_RENDER)
1073# ifdef ENABLE_TRANSPARENCY 501 return;
1074 if (bg_flags & BG_IS_TRANSPARENT) 502
503 delete bg_img;
504 bg_img = 0;
505 bg_flags = 0;
506
507 if (!mapped)
508 return;
509
510# if BG_IMAGE_FROM_ROOT
511 if (option (Opt_transparent))
1075 { 512 {
1076 /* we need to re-generate transparency pixmap in that case ! */ 513 /* we need to re-generate transparency pixmap in that case ! */
1077 if (make_transparency_pixmap ()) 514 if (render_root_image ())
515 bg_flags |= BG_IS_VALID | BG_IS_TRANSPARENT;
516 }
517# endif
518
519# if BG_IMAGE_FROM_FILE
520 if (fimage.img)
521 {
522 if (render_image (fimage))
1078 bg_flags |= BG_IS_VALID; 523 bg_flags |= BG_IS_VALID;
1079 } 524 }
1080# endif 525# endif
1081
1082# ifdef BG_IMAGE_FROM_FILE
1083 if (bg_image.flags & IM_IS_SET)
1084 {
1085 if (render_image (bg_image))
1086 bg_flags |= BG_IS_VALID;
1087 }
1088# endif
1089
1090 if (!(bg_flags & BG_IS_VALID))
1091 {
1092 if (bg_pixmap != None)
1093 {
1094 XFreePixmap (dpy, bg_pixmap);
1095 bg_pixmap = None;
1096 }
1097 }
1098 526
1099 scr_recolour (false); 527 scr_recolour (false);
1100 bg_flags |= BG_NEEDS_REFRESH; 528 bg_flags |= BG_NEEDS_REFRESH;
1101 529
1102 bg_valid_since = ev::now (); 530 bg_valid_since = ev::now ();
1103
1104 return true;
1105} 531}
1106 532
1107void 533void
1108rxvt_term::bg_init () 534rxvt_term::bg_init ()
1109{ 535{
1110#ifdef ENABLE_TRANSPARENCY 536#if BG_IMAGE_FROM_ROOT
1111 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 }
1112#endif 552#endif
1113 553
1114 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); 554#if BG_IMAGE_FROM_FILE
1115#if XRENDER 555 if (rs[Rs_backgroundPixmap])
1116 int major, minor;
1117 if (XRenderQueryVersion (dpy, &major, &minor))
1118 bg_flags |= BG_HAS_RENDER;
1119 XFilters *filters = XRenderQueryFilters (dpy, vt);
1120 if (filters)
1121 { 556 {
1122 for (int i = 0; i < filters->nfilter; i++) 557 fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
1123 if (!strcmp (filters->filter[i], FilterConvolution)) 558 if (!bg_window_position_sensitive ())
1124 bg_flags |= BG_HAS_RENDER_CONV; 559 update_background ();
1125
1126 XFree (filters);
1127 } 560 }
1128#endif 561#endif
1129} 562}
1130 563
1131#endif /* HAVE_BG_PIXMAP */
1132
1133#ifdef ENABLE_TRANSPARENCY
1134/* based on code from aterm-0.4.2 */
1135
1136static inline void
1137fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1138{
1139 for (int i = 0; i <= mask >> sh; i++)
1140 {
1141 uint32_t tmp;
1142 tmp = i * high;
1143 tmp += (mask >> sh) * low;
1144 lookup[i] = (tmp / 0xffff) << sh;
1145 }
1146}
1147
1148void 564void
1149rxvt_term::tint_ximage (XImage *ximage) 565rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1150{ 566{
1151 unsigned int size_r, size_g, size_b;
1152 int sh_r, sh_g, sh_b;
1153 uint32_t mask_r, mask_g, mask_b;
1154 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1155 unsigned short low;
1156 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1157
1158 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1159
1160 /* for convenience */
1161 mask_r = visual->red_mask;
1162 mask_g = visual->green_mask;
1163 mask_b = visual->blue_mask;
1164
1165 /* boring lookup table pre-initialization */
1166 sh_r = ecb_ctz32 (mask_r);
1167 sh_g = ecb_ctz32 (mask_g);
1168 sh_b = ecb_ctz32 (mask_b);
1169
1170 size_r = mask_r >> sh_r;
1171 size_g = mask_g >> sh_g;
1172 size_b = mask_b >> sh_b;
1173
1174 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1175 return;
1176
1177 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1178 lookup_r = lookup;
1179 lookup_g = lookup + size_r;
1180 lookup_b = lookup + size_r + size_g;
1181
1182 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 567 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1183 568
1184 if (bg_flags & BG_TINT_SET) 569 if (tint_set)
1185 tint.get (c); 570 tint.get (c);
1186 571
1187 /* prepare limits for color transformation (each channel is handled separately) */
1188 if (shade > 100) 572 if (shade > 100)
1189 { 573 {
1190 c.r = c.r * (200 - shade) / 100; 574 c.r = c.r * (200 - shade) / 100;
1191 c.g = c.g * (200 - shade) / 100; 575 c.g = c.g * (200 - shade) / 100;
1192 c.b = c.b * (200 - shade) / 100; 576 c.b = c.b * (200 - shade) / 100;
1193
1194 low = 0xffff * (shade - 100) / 100;
1195 } 577 }
1196 else 578 else
1197 { 579 {
1198 c.r = c.r * shade / 100; 580 c.r = c.r * shade / 100;
1199 c.g = c.g * shade / 100; 581 c.g = c.g * shade / 100;
1200 c.b = c.b * shade / 100; 582 c.b = c.b * shade / 100;
1201
1202 low = 0;
1203 }
1204
1205 /* fill our lookup tables */
1206 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1207 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1208 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1209
1210 /* apply table to input image (replacing colors by newly calculated ones) */
1211 if (ximage->bits_per_pixel == 32
1212 && ximage->byte_order == host_byte_order)
1213 { 583 }
1214 char *line = ximage->data;
1215 584
1216 for (int y = 0; y < ximage->height; y++) 585 img->contrast (c.r, c.g, c.b, c.a);
1217 { 586
1218 uint32_t *p = (uint32_t *)line; 587 if (shade > 100)
1219 for (int x = 0; x < ximage->width; x++)
1220 {
1221 *p = lookup_r[(*p & mask_r) >> sh_r] |
1222 lookup_g[(*p & mask_g) >> sh_g] |
1223 lookup_b[(*p & mask_b) >> sh_b];
1224 p++;
1225 }
1226 line += ximage->bytes_per_line;
1227 }
1228 } 588 {
1229 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);
1230 { 594 }
1231 for (int y = 0; y < ximage->height; y++)
1232 for (int x = 0; x < ximage->width; x++)
1233 {
1234 unsigned long pixel = XGetPixel (ximage, x, y);
1235 pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1236 lookup_g[(pixel & mask_g) >> sh_g] |
1237 lookup_b[(pixel & mask_b) >> sh_b];
1238 XPutPixel (ximage, x, y, pixel);
1239 }
1240 }
1241
1242 free (lookup);
1243} 595}
1244#endif /* ENABLE_TRANSPARENCY */ 596
597#endif /* HAVE_BG_PIXMAP */

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