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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.216 by sf-exg, Sun May 20 16:23:42 2012 UTC vs.
Revision 1.247 by sf-exg, Sat Dec 29 18:12:53 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
70 41
71 if (target_x != x 42 delete bg_img;
72 || target_y != y) 43 bg_img = 0;
44}
45
46bool
47rxvt_term::bg_window_size_sensitive ()
48{
49# if BG_IMAGE_FROM_ROOT
50 if (option (Opt_transparent))
51 return true;
52# endif
53
54# if BG_IMAGE_FROM_FILE
55 if (fimage.img)
73 { 56 {
74 target_x = x; 57 if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
75 target_y = y; 58 || fimage.img->w > szHint.width
59 || fimage.img->h > szHint.height)
76 return true; 60 return true;
77 } 61 }
62# endif
63
78 return false; 64 return false;
79} 65}
80 66
81bool 67bool
82rxvt_term::bg_window_size_sensitive () 68rxvt_term::bg_window_position_sensitive ()
83{ 69{
84# ifdef ENABLE_TRANSPARENCY 70# if BG_IMAGE_FROM_ROOT
85 if (bg_flags & BG_IS_TRANSPARENT) 71 if (option (Opt_transparent))
86 return true; 72 return true;
87# endif 73# endif
88 74
89# ifdef BG_IMAGE_FROM_FILE 75# if BG_IMAGE_FROM_FILE
90 if (bg_image.flags & IM_IS_SET) 76 if (fimage.img)
91 { 77 {
92 if ((bg_image.flags & IM_IS_SIZE_SENSITIVE) 78 if (fimage.flags & IM_ROOT_ALIGN)
93 || bg_image.width () > szHint.width
94 || bg_image.height () > szHint.height)
95 return true; 79 return true;
96 } 80 }
97# endif 81# endif
98 82
99 return false; 83 return false;
100} 84}
101 85
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 86# 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 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);
… …
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} 96}
132 97
133static inline int 98static void
134make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 99parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
135{ 100{
136 int src_pos = 0; 101 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 } 102 {
145 103 flags = IM_TILE;
146 min_it (dst_size, target_size - dst_pos); 104 w = h = noScale;
147 return src_pos; 105 x = y = 0;
106 }
107 else if (!strcasecmp (style, "aspect-stretched"))
108 {
109 flags = IM_KEEP_ASPECT;
110 w = h = windowScale;
111 x = y = centerAlign;
112 }
113 else if (!strcasecmp (style, "stretched"))
114 {
115 flags = 0;
116 w = h = windowScale;
117 x = y = centerAlign;
118 }
119 else if (!strcasecmp (style, "centered"))
120 {
121 flags = 0;
122 w = h = noScale;
123 x = y = centerAlign;
124 }
125 else if (!strcasecmp (style, "root-tiled"))
126 {
127 flags = IM_TILE|IM_ROOT_ALIGN;
128 w = h = noScale;
129 x = y = 0;
130 }
148} 131}
149 132
150bool 133bool
151rxvt_image::set_geometry (const char *geom, bool update) 134rxvt_image::set_geometry (const char *geom, bool update)
152{ 135{
… …
154 int geom_flags = 0; 137 int geom_flags = 0;
155 int x = h_align; 138 int x = h_align;
156 int y = v_align; 139 int y = v_align;
157 unsigned int w = h_scale; 140 unsigned int w = h_scale;
158 unsigned int h = v_scale; 141 unsigned int h = v_scale;
159 unsigned long new_flags = 0; 142 uint8_t new_flags = 0;
160 143
161 if (geom == NULL) 144 if (geom == NULL)
162 return false; 145 return false;
163 146
164 if (geom[0]) 147 if (geom[0])
165 { 148 {
166 char **arr = rxvt_strsplit (':', geom); 149 char **arr = rxvt_strsplit (':', geom);
167 150
168 for (int i = 0; arr[i]; i++) 151 for (int i = 0; arr[i]; i++)
169 { 152 {
170 if (!strcasecmp (arr[i], "style=tiled")) 153 if (!strncasecmp (arr[i], "style=", 6))
171 { 154 {
172 new_flags = IM_TILE; 155 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; 156 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 } 157 }
203 else if (!strcasecmp (arr[i], "op=tile")) 158 else if (!strcasecmp (arr[i], "op=tile"))
204 new_flags |= IM_TILE; 159 new_flags |= IM_TILE;
205 else if (!strcasecmp (arr[i], "op=keep-aspect")) 160 else if (!strcasecmp (arr[i], "op=keep-aspect"))
206 new_flags |= IM_KEEP_ASPECT; 161 new_flags |= IM_KEEP_ASPECT;
… …
274 h = w; 229 h = w;
275 else if (!(geom_flags & WidthValue)) 230 else if (!(geom_flags & WidthValue))
276 w = h; 231 w = h;
277 } 232 }
278 233
279 min_it (w, 1000);
280 min_it (h, 1000);
281 clamp_it (x, -100, 200); 234 clamp_it (x, -100, 200);
282 clamp_it (y, -100, 200); 235 clamp_it (y, -100, 200);
283 236
284 if (flags != new_flags 237 if (flags != new_flags
285 || h_scale != w 238 || h_scale != w
… …
293 h_align = x; 246 h_align = x;
294 v_align = y; 247 v_align = y;
295 changed = true; 248 changed = true;
296 } 249 }
297 250
298 if (!(flags & IM_TILE) 251 if (is_size_sensitive ())
299 || h_scale || v_scale
300 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
301 flags |= IM_IS_SIZE_SENSITIVE; 252 flags |= IM_IS_SIZE_SENSITIVE;
302 else 253 else
303 flags &= ~IM_IS_SIZE_SENSITIVE; 254 flags &= ~IM_IS_SIZE_SENSITIVE;
304 255
305 return changed; 256 return changed;
306} 257}
307 258
308void 259void
309rxvt_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)
310{ 261{
311 int image_width = image.width (); 262 int image_width = image.img->w;
312 int image_height = image.height (); 263 int image_height = image.img->h;
313 int target_width = szHint.width; 264 int parent_width = szHint.width;
314 int target_height = szHint.height; 265 int parent_height = szHint.height;
266 int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
267 int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
315 268
316 w = image.h_scale * target_width / 100; 269 w = h_scale * parent_width / 100;
317 h = image.v_scale * target_height / 100; 270 h = v_scale * parent_height / 100;
318 271
319 if (image.flags & IM_KEEP_ASPECT) 272 if (image.flags & IM_KEEP_ASPECT)
320 { 273 {
321 float scale = (float)w / image_width; 274 float scale = (float)w / image_width;
322 min_it (scale, (float)h / image_height); 275 min_it (scale, (float)h / image_height);
… …
327 if (!w) w = image_width; 280 if (!w) w = image_width;
328 if (!h) h = image_height; 281 if (!h) h = image_height;
329 282
330 if (image.flags & IM_ROOT_ALIGN) 283 if (image.flags & IM_ROOT_ALIGN)
331 { 284 {
332 x = -target_x; 285 x = -parent_x;
333 y = -target_y; 286 y = -parent_y;
334 } 287 }
335 else 288 else
336 { 289 {
337 x = make_align_position (image.h_align, target_width, w); 290 x = make_align_position (image.h_align, parent_width, w);
338 y = make_align_position (image.v_align, target_height, h); 291 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 { 292 }
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} 293}
455 294
456bool 295bool
457rxvt_term::render_image (rxvt_image &image) 296rxvt_term::render_image (rxvt_image &image)
458{ 297{
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; 298 int parent_width = szHint.width;
475 int target_height = szHint.height; 299 int parent_height = szHint.height;
476 int new_pmap_width = target_width;
477 int new_pmap_height = target_height;
478 300
479 int x = 0; 301 int x = 0;
480 int y = 0; 302 int y = 0;
481 int w = 0; 303 int w = 0;
482 int h = 0; 304 int h = 0;
483 305
484 get_image_geometry (image, w, h, x, y); 306 get_image_geometry (image, w, h, x, y);
485 307
486 if (!(image.flags & IM_ROOT_ALIGN) 308 if (!(image.flags & IM_ROOT_ALIGN)
487 && (x >= target_width 309 && (x >= parent_width
488 || y >= target_height 310 || y >= parent_height
489 || x + w <= 0 311 || x + w <= 0
490 || y + h <= 0)) 312 || y + h <= 0))
491 return false; 313 return false;
492 314
493 result = pixbuf; 315 rxvt_img *img = image.img->scale (w, h);
494 316
495 if (w != image_width 317 if (image.flags & IM_TILE)
496 || h != image_height) 318 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 319 else
521 { 320 img->repeat_mode (RepeatNone);
522 if (image.flags & IM_TILE) 321 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 }
528 322
529 if (bg_pixmap == None 323 if (bg_flags & BG_IS_VALID)
530 || bg_pmap_width != new_pmap_width 324 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 }
539 325
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); 326 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
327 img->convert_format (format, pix_colors [Color_bg])->replace (img);
586 328
587 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0); 329 delete bg_img;
330 bg_img = img;
588 331
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; 332 return true;
621} 333}
622# endif /* HAVE_PIXBUF */
623 334
624bool 335rxvt_image::rxvt_image ()
336{
337 alpha = 0xffff;
338 flags = 0;
339 h_scale =
340 v_scale = defaultScale;
341 h_align =
342 v_align = defaultAlign;
343
344 img = 0;
345}
346
347void
625rxvt_image::set_file (const char *file) 348rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
626{ 349{
627 if (!file || !*file) 350 if (!file || !*file)
628 return false; 351 return;
629 352
630 bool ret = false;
631 const char *p = strchr (file, ';'); 353 const char *p = strchr (file, ';');
632 354
633 if (p) 355 if (p)
634 { 356 {
635 size_t len = p - file; 357 size_t len = p - file;
… …
637 memcpy (f, file, len); 359 memcpy (f, file, len);
638 f[len] = '\0'; 360 f[len] = '\0';
639 file = f; 361 file = f;
640 } 362 }
641 363
642# ifdef HAVE_PIXBUF 364 set_file (s, file);
643 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 365 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); 366 set_geometry (p ? p + 1 : "");
661 } 367}
662 368
663 return ret; 369void
370rxvt_image::set_file (rxvt_screen *s, const char *file)
371{
372 rxvt_img *img2 = rxvt_img::new_from_file (s, file);
373 delete img;
374 img = img2;
664} 375}
665 376
666# endif /* BG_IMAGE_FROM_FILE */ 377# endif /* BG_IMAGE_FROM_FILE */
667 378
668# ifdef ENABLE_TRANSPARENCY
669bool 379bool
670rxvt_term::bg_set_blur (const char *geom) 380image_effects::set_blur (const char *geom)
671{ 381{
672 bool changed = false; 382 bool changed = false;
673 unsigned int hr, vr; 383 unsigned int hr, vr;
674 int junk; 384 int junk;
675 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); 385 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
… …
696 406
697 return changed; 407 return changed;
698} 408}
699 409
700bool 410bool
701rxvt_term::bg_set_tint (rxvt_color &new_tint) 411image_effects::set_tint (const rxvt_color &new_tint)
702{ 412{
703 if (!(bg_flags & BG_TINT_SET) || tint != new_tint) 413 if (!tint_set || tint != new_tint)
704 { 414 {
705 tint = new_tint; 415 tint = new_tint;
706 bg_flags |= BG_TINT_SET; 416 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;
716 417
717 return true; 418 return true;
718 } 419 }
719 420
720 return false; 421 return false;
721} 422}
722 423
723bool 424bool
724rxvt_term::bg_set_shade (const char *shade_str) 425image_effects::set_shade (const char *shade_str)
725{ 426{
726 int new_shade = atoi (shade_str); 427 int new_shade = atoi (shade_str);
727 428
728 clamp_it (new_shade, -100, 200); 429 clamp_it (new_shade, -100, 200);
729 if (new_shade < 0) 430 if (new_shade < 0)
… …
736 } 437 }
737 438
738 return false; 439 return false;
739} 440}
740 441
741#if XRENDER 442# 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/* 443/*
921 * 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
922 * 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
923 * our window. 446 * our window.
924 */ 447 */
925bool 448bool
926rxvt_term::make_transparency_pixmap () 449rxvt_term::render_root_image ()
927{ 450{
928 bool ret = false;
929
930 /* 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
931 * be always up-to-date, so let's use it : 452 * be always up-to-date, so let's use it :
932 */ 453 */
933 int screen = display->screen; 454 int screen = display->screen;
934 int root_depth = DefaultDepth (dpy, screen);
935 int root_width = DisplayWidth (dpy, screen); 455 int root_width = DisplayWidth (dpy, screen);
936 int root_height = DisplayHeight (dpy, screen); 456 int root_height = DisplayHeight (dpy, screen);
937 unsigned int root_pmap_width, root_pmap_height;
938 int window_width = szHint.width; 457 int parent_width = szHint.width;
939 int window_height = szHint.height; 458 int parent_height = szHint.height;
940 int sx, sy; 459 int sx, sy;
941 XGCValues gcv;
942 GC gc;
943 460
944 sx = target_x; 461 sx = parent_x;
945 sy = target_y; 462 sy = parent_y;
463
464 if (!root_img)
465 return false;
946 466
947 /* 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 : */
948 if (sx + window_width <= 0 || sy + window_height <= 0 468 if (sx + parent_width <= 0 || sy + parent_height <= 0
949 || sx >= root_width || sy >= root_height) 469 || sx >= root_width || sy >= root_height)
950 return 0; 470 return 0;
951 471
952 // validate root pixmap and get its size 472 while (sx < 0) sx += root_img->w;
953 if (root_pixmap != None) 473 while (sy < 0) sy += root_img->h;
954 {
955 Window wdummy;
956 int idummy;
957 unsigned int udummy;
958 474
959 allowedxerror = -1; 475 rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
960 476
961 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy)) 477 if (root_effects.need_blur ())
962 root_pixmap = None; 478 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
963 479
964 allowedxerror = 0; 480 if (root_effects.need_tint ())
965 } 481 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
966 482
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); 483 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
980 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0); 484 img->convert_format (format, pix_colors [Color_bg])->replace (img);
981 485
982 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;
983 488
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; 489 return true;
1056} 490}
1057 491
1058void 492void
1059rxvt_term::bg_set_root_pixmap () 493rxvt_term::bg_set_root_pixmap ()
1060{ 494{
1061 Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); 495 delete root_img;
1062 if (new_root_pixmap == None) 496 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} 497}
1067# endif /* ENABLE_TRANSPARENCY */ 498# endif /* BG_IMAGE_FROM_ROOT */
1068 499
1069bool 500void
1070rxvt_term::bg_render () 501rxvt_term::bg_render ()
1071{ 502{
503 if (bg_flags & BG_INHIBIT_RENDER)
504 return;
505
1072 bg_invalidate (); 506 bg_invalidate ();
1073# ifdef ENABLE_TRANSPARENCY 507# if BG_IMAGE_FROM_ROOT
1074 if (bg_flags & BG_IS_TRANSPARENT) 508 if (option (Opt_transparent))
1075 { 509 {
1076 /* we need to re-generate transparency pixmap in that case ! */ 510 /* we need to re-generate transparency pixmap in that case ! */
1077 if (make_transparency_pixmap ()) 511 if (render_root_image ())
512 bg_flags |= BG_IS_VALID | BG_IS_TRANSPARENT;
513 }
514# endif
515
516# if BG_IMAGE_FROM_FILE
517 if (fimage.img)
518 {
519 if (render_image (fimage))
1078 bg_flags |= BG_IS_VALID; 520 bg_flags |= BG_IS_VALID;
1079 } 521 }
1080# endif 522# endif
1081 523
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)) 524 if (!(bg_flags & BG_IS_VALID))
1091 { 525 {
1092 if (bg_pixmap != None) 526 delete bg_img;
1093 { 527 bg_img = 0;
1094 XFreePixmap (dpy, bg_pixmap);
1095 bg_pixmap = None;
1096 }
1097 } 528 }
1098 529
1099 scr_recolour (false); 530 scr_recolour (false);
1100 bg_flags |= BG_NEEDS_REFRESH; 531 bg_flags |= BG_NEEDS_REFRESH;
1101 532
1102 bg_valid_since = ev::now (); 533 bg_valid_since = ev::now ();
1103
1104 return true;
1105} 534}
1106 535
1107void 536void
1108rxvt_term::bg_init () 537rxvt_term::bg_init ()
1109{ 538{
1110#ifdef ENABLE_TRANSPARENCY 539#if BG_IMAGE_FROM_ROOT
1111 shade = 100; 540 if (option (Opt_transparent))
541 {
542 if (rs [Rs_blurradius])
543 root_effects.set_blur (rs [Rs_blurradius]);
544
545 if (ISSET_PIXCOLOR (Color_tint))
546 root_effects.set_tint (pix_colors_focused [Color_tint]);
547
548 if (rs [Rs_shade])
549 root_effects.set_shade (rs [Rs_shade]);
550
551 bg_set_root_pixmap ();
552 XSelectInput (dpy, display->root, PropertyChangeMask);
553 rootwin_ev.start (display, display->root);
554 }
1112#endif 555#endif
1113 556
1114 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); 557#if BG_IMAGE_FROM_FILE
1115#if XRENDER 558 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 { 559 {
1122 for (int i = 0; i < filters->nfilter; i++) 560 fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
1123 if (!strcmp (filters->filter[i], FilterConvolution)) 561 if (!bg_window_position_sensitive ())
1124 bg_flags |= BG_HAS_RENDER_CONV; 562 update_background ();
1125
1126 XFree (filters);
1127 } 563 }
1128#endif 564#endif
1129} 565}
1130 566
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 567void
1149rxvt_term::tint_ximage (XImage *ximage) 568rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1150{ 569{
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); 570 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1183 571
1184 if (bg_flags & BG_TINT_SET) 572 if (tint_set)
1185 tint.get (c); 573 tint.get (c);
1186 574
1187 /* prepare limits for color transformation (each channel is handled separately) */
1188 if (shade > 100) 575 if (shade > 100)
1189 { 576 {
1190 c.r = c.r * (200 - shade) / 100; 577 c.r = c.r * (200 - shade) / 100;
1191 c.g = c.g * (200 - shade) / 100; 578 c.g = c.g * (200 - shade) / 100;
1192 c.b = c.b * (200 - shade) / 100; 579 c.b = c.b * (200 - shade) / 100;
1193
1194 low = 0xffff * (shade - 100) / 100;
1195 } 580 }
1196 else 581 else
1197 { 582 {
1198 c.r = c.r * shade / 100; 583 c.r = c.r * shade / 100;
1199 c.g = c.g * shade / 100; 584 c.g = c.g * shade / 100;
1200 c.b = c.b * shade / 100; 585 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 { 586 }
1214 char *line = ximage->data;
1215 587
1216 for (int y = 0; y < ximage->height; y++) 588 img->contrast (c.r, c.g, c.b, c.a);
1217 { 589
1218 uint32_t *p = (uint32_t *)line; 590 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 } 591 {
1229 else 592 c.a = 0xffff;
593 c.r =
594 c.g =
595 c.b = 0xffff * (shade - 100) / 100;
596 img->brightness (c.r, c.g, c.b, c.a);
1230 { 597 }
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} 598}
1244#endif /* ENABLE_TRANSPARENCY */ 599
600#endif /* HAVE_BG_PIXMAP */

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