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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.237 by root, Sun Jun 10 15:01:14 2012 UTC vs.
Revision 1.258 by root, Thu May 22 18:54:32 2014 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>
8 * Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it> 8 * Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9 * 9 *
10 * This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by 11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or 12 * the Free Software Foundation; either version 3 of the License, or
13 * (at your option) any later version. 13 * (at your option) any later version.
14 * 14 *
15 * This program is distributed in the hope that it will be useful, 15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
28#ifdef HAVE_BG_PIXMAP 28#ifdef HAVE_BG_PIXMAP
29 29
30void 30void
31rxvt_term::bg_destroy () 31rxvt_term::bg_destroy ()
32{ 32{
33# if ENABLE_TRANSPARENCY 33# if BG_IMAGE_FROM_ROOT
34 delete root_img; 34 delete root_img;
35 root_img = 0; 35 root_img = 0;
36# endif 36# endif
37 37
38# if BG_IMAGE_FROM_FILE 38# if BG_IMAGE_FROM_FILE
39 fimage.destroy (); 39 fimage.destroy ();
40# endif 40# endif
41
42 delete bg_img;
43 bg_img = 0;
44}
45
46bool
47rxvt_term::bg_set_position (int x, int y)
48{
49
50 if (target_x != x
51 || target_y != y)
52 {
53 target_x = x;
54 target_y = y;
55 return true;
56 }
57 return false;
58} 41}
59 42
60bool 43bool
61rxvt_term::bg_window_size_sensitive () 44rxvt_term::bg_window_size_sensitive ()
62{ 45{
63# if ENABLE_TRANSPARENCY 46# if BG_IMAGE_FROM_ROOT
64 if (bg_flags & BG_IS_TRANSPARENT) 47 if (root_img)
65 return true; 48 return true;
66# endif 49# endif
67 50
68# if BG_IMAGE_FROM_FILE 51# if BG_IMAGE_FROM_FILE
69 if (fimage.img) 52 if (fimage.img)
… …
79} 62}
80 63
81bool 64bool
82rxvt_term::bg_window_position_sensitive () 65rxvt_term::bg_window_position_sensitive ()
83{ 66{
84# if ENABLE_TRANSPARENCY 67# if BG_IMAGE_FROM_ROOT
85 if (bg_flags & BG_IS_TRANSPARENT) 68 if (root_img)
86 return true; 69 return true;
87# endif 70# endif
88 71
89# if BG_IMAGE_FROM_FILE 72# if BG_IMAGE_FROM_FILE
90 if (fimage.img) 73 if (fimage.img)
… …
105 return lerp (0, window_size - image_size, align); 88 return lerp (0, window_size - image_size, align);
106 else if (align > 100) 89 else if (align > 100)
107 return lerp (window_size - image_size, window_size, align - 100); 90 return lerp (window_size - image_size, window_size, align - 100);
108 else 91 else
109 return lerp (-image_size, 0, align + 100); 92 return lerp (-image_size, 0, align + 100);
110}
111
112static inline int
113make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
114{
115 int src_pos = 0;
116 dst_pos = pos;
117 dst_size = size;
118 if (pos < 0)
119 {
120 src_pos = -pos;
121 dst_pos = 0;
122 dst_size += pos;
123 }
124
125 min_it (dst_size, target_size - dst_pos);
126 return src_pos;
127} 93}
128 94
129static void 95static void
130parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags) 96parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
131{ 97{
… …
286 252
287 return changed; 253 return changed;
288} 254}
289 255
290void 256void
291rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y) 257rxvt_term::render_image (rxvt_image &image)
292{ 258{
293 int image_width = image.img->w; 259 int image_width = image.img->w;
294 int image_height = image.img->h; 260 int image_height = image.img->h;
295 int target_width = szHint.width; 261 int parent_width = szHint.width;
296 int target_height = szHint.height; 262 int parent_height = szHint.height;
297 int h_scale = min (image.h_scale, 32767 * 100 / target_width); 263 int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
298 int v_scale = min (image.v_scale, 32767 * 100 / target_height); 264 int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
299 265
266 int w;
267 int h;
268 int x;
269 int y;
270
300 w = h_scale * target_width / 100; 271 w = h_scale * parent_width / 100;
301 h = v_scale * target_height / 100; 272 h = v_scale * parent_height / 100;
302 273
303 if (image.flags & IM_KEEP_ASPECT) 274 if (image.flags & IM_KEEP_ASPECT)
304 { 275 {
305 float scale = (float)w / image_width; 276 float scale = (float)w / image_width;
306 min_it (scale, (float)h / image_height); 277 min_it (scale, (float)h / image_height);
… …
311 if (!w) w = image_width; 282 if (!w) w = image_width;
312 if (!h) h = image_height; 283 if (!h) h = image_height;
313 284
314 if (image.flags & IM_ROOT_ALIGN) 285 if (image.flags & IM_ROOT_ALIGN)
315 { 286 {
316 x = -target_x; 287 x = -parent_x;
317 y = -target_y; 288 y = -parent_y;
318 } 289 }
319 else 290 else
320 { 291 {
321 x = make_align_position (image.h_align, target_width, w); 292 x = make_align_position (image.h_align, parent_width, w);
322 y = make_align_position (image.v_align, target_height, h); 293 y = make_align_position (image.v_align, parent_height, h);
323 } 294 }
324}
325
326bool
327rxvt_term::render_image (rxvt_image &image)
328{
329 int target_width = szHint.width;
330 int target_height = szHint.height;
331
332 int x = 0;
333 int y = 0;
334 int w = 0;
335 int h = 0;
336
337 get_image_geometry (image, w, h, x, y);
338 295
339 if (!(image.flags & IM_ROOT_ALIGN) 296 if (!(image.flags & IM_ROOT_ALIGN)
340 && (x >= target_width 297 && (x >= parent_width
341 || y >= target_height 298 || y >= parent_height
342 || x + w <= 0 299 || x + w <= 0
343 || y + h <= 0)) 300 || y + h <= 0))
344 return false; 301 return;
345 302
346 rxvt_img *img = image.img->scale (w, h); 303 rxvt_img *img = image.img->scale (w, h);
347 304
348 if (image.flags & IM_TILE) 305 if (image.flags & IM_TILE)
349 img->repeat_mode (RepeatNormal); 306 img->repeat_mode (RepeatNormal);
350 else 307 else
351 img->repeat_mode (RepeatNone); 308 img->repeat_mode (RepeatNone);
352 img->sub_rect (-x, -y, target_width, target_height)->replace (img); 309 img->sub_rect (-x, -y, parent_width, parent_height)->replace (img);
353 310
354 if (bg_flags & BG_IS_VALID) 311 if (bg_img)
355 { 312 img->draw (bg_img, PictOpOver, image.alpha * 1. / 0xffff);
356 double factor = image.alpha * 1. / 0xffff;
357 bg_img->blend (img, factor)->replace (img);
358 }
359 313
360 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 314 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
361 img->convert_format (format, pix_colors [Color_bg])->replace (img); 315 img->convert_format (format, pix_colors [Color_bg])->replace (img);
362 316
363 delete bg_img; 317 delete bg_img;
364 bg_img = img; 318 bg_img = img;
365
366 return true;
367} 319}
368 320
369rxvt_image::rxvt_image () 321rxvt_image::rxvt_image ()
370{ 322{
371 alpha = 0xffff; 323 alpha = 0xffff;
… …
376 v_align = defaultAlign; 328 v_align = defaultAlign;
377 329
378 img = 0; 330 img = 0;
379} 331}
380 332
381bool 333void
382rxvt_image::set_file_geometry (rxvt_screen *s, const char *file) 334rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
383{ 335{
384 if (!file || !*file) 336 if (!file || !*file)
385 return false; 337 return;
386 338
387 const char *p = strchr (file, ';'); 339 const char *p = strchr (file, ';');
388 340
389 if (p) 341 if (p)
390 { 342 {
… …
393 memcpy (f, file, len); 345 memcpy (f, file, len);
394 f[len] = '\0'; 346 f[len] = '\0';
395 file = f; 347 file = f;
396 } 348 }
397 349
398 bool ret = set_file (s, file); 350 set_file (s, file);
399 alpha = 0x8000; 351 alpha = 0x8000;
400 if (ret)
401 set_geometry (p ? p + 1 : ""); 352 set_geometry (p ? p + 1 : "");
402 return ret;
403} 353}
404 354
405bool 355void
406rxvt_image::set_file (rxvt_screen *s, const char *file) 356rxvt_image::set_file (rxvt_screen *s, const char *file)
407{ 357{
358 rxvt_img *img2 = rxvt_img::new_from_file (s, file);
408 delete img; 359 delete img;
409 img = rxvt_img::new_from_file (s, file); 360 img = img2;
410 return img != 0;
411} 361}
412 362
413# endif /* BG_IMAGE_FROM_FILE */ 363# endif /* BG_IMAGE_FROM_FILE */
414 364
415bool 365bool
… …
473 } 423 }
474 424
475 return false; 425 return false;
476} 426}
477 427
478# if ENABLE_TRANSPARENCY 428# if BG_IMAGE_FROM_ROOT
479/* 429/*
480 * Builds a pixmap of the same size as the terminal window that contains 430 * Builds a pixmap of the same size as the terminal window that contains
481 * the tiled portion of the root pixmap that is supposed to be covered by 431 * the tiled portion of the root pixmap that is supposed to be covered by
482 * our window. 432 * our window.
483 */ 433 */
484bool 434void
485rxvt_term::render_root_image () 435rxvt_term::render_root_image ()
486{ 436{
487 /* root dimensions may change from call to call - but Display structure should 437 /* root dimensions may change from call to call - but Display structure should
488 * be always up-to-date, so let's use it : 438 * be always up-to-date, so let's use it :
489 */ 439 */
490 int screen = display->screen; 440 int screen = display->screen;
491 int root_width = DisplayWidth (dpy, screen); 441 int root_width = DisplayWidth (dpy, screen);
492 int root_height = DisplayHeight (dpy, screen); 442 int root_height = DisplayHeight (dpy, screen);
493 int window_width = szHint.width; 443 int parent_width = szHint.width;
494 int window_height = szHint.height; 444 int parent_height = szHint.height;
495 int sx, sy; 445 int sx, sy;
496 446
497 sx = target_x; 447 sx = parent_x;
498 sy = target_y; 448 sy = parent_y;
499
500 if (!root_img)
501 return false;
502 449
503 /* check if we are outside of the visible part of the virtual screen : */ 450 /* check if we are outside of the visible part of the virtual screen : */
504 if (sx + window_width <= 0 || sy + window_height <= 0 451 if (sx + parent_width <= 0 || sy + parent_height <= 0
505 || sx >= root_width || sy >= root_height) 452 || sx >= root_width || sy >= root_height)
506 return 0; 453 return;
507 454
508 while (sx < 0) sx += root_img->w; 455 while (sx < 0) sx += root_img->w;
509 while (sy < 0) sy += root_img->h; 456 while (sy < 0) sy += root_img->h;
510 457
511 rxvt_img *img = root_img->sub_rect (sx, sy, window_width, window_height); 458 rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
512 459
513 if (root_effects.need_blur ()) 460 if (root_effects.need_blur ())
514 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img); 461 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
515 462
516 if (root_effects.need_tint ()) 463 if (root_effects.need_tint ())
517 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade); 464 {
465 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
466
467 if (root_effects.tint_set)
468 root_effects.tint.get (c);
469 rxvt_img::nv factor = root_effects.shade / 100. - 1.;
470 img->shade (factor, c)->replace (img);
471 }
518 472
519 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 473 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
520 img->convert_format (format, pix_colors [Color_bg])->replace (img); 474 img->convert_format (format, pix_colors [Color_bg])->replace (img);
521 475
522 delete bg_img; 476 delete bg_img;
523 bg_img = img; 477 bg_img = img;
524
525 return true;
526} 478}
527 479# endif /* BG_IMAGE_FROM_ROOT */
528void
529rxvt_term::bg_set_root_pixmap ()
530{
531 delete root_img;
532 root_img = rxvt_img::new_from_root (this);
533}
534# endif /* ENABLE_TRANSPARENCY */
535 480
536void 481void
537rxvt_term::bg_render () 482rxvt_term::bg_render ()
538{ 483{
539 if (bg_flags & BG_INHIBIT_RENDER) 484 if (bg_flags & BG_INHIBIT_RENDER)
540 return; 485 return;
541 486
542 bg_invalidate (); 487 delete bg_img;
543# if ENABLE_TRANSPARENCY 488 bg_img = 0;
544 if (bg_flags & BG_IS_TRANSPARENT) 489 bg_flags = 0;
490
491 if (!mapped)
492 return;
493
494# if BG_IMAGE_FROM_ROOT
495 if (root_img)
545 { 496 {
546 /* we need to re-generate transparency pixmap in that case ! */
547 if (render_root_image ()) 497 render_root_image ();
548 bg_flags |= BG_IS_VALID; 498 bg_flags |= BG_IS_TRANSPARENT;
549 } 499 }
550# endif 500# endif
551 501
552# if BG_IMAGE_FROM_FILE 502# if BG_IMAGE_FROM_FILE
553 if (fimage.img) 503 if (fimage.img)
554 {
555 if (render_image (fimage)) 504 render_image (fimage);
556 bg_flags |= BG_IS_VALID;
557 }
558# endif 505# endif
559
560 if (!(bg_flags & BG_IS_VALID))
561 {
562 delete bg_img;
563 bg_img = 0;
564 }
565 506
566 scr_recolour (false); 507 scr_recolour (false);
567 bg_flags |= BG_NEEDS_REFRESH; 508 bg_flags |= BG_NEEDS_REFRESH;
568 509
569 bg_valid_since = ev::now (); 510 bg_valid_since = ev::now ();
570} 511}
571 512
572void 513void
573rxvt_term::bg_init () 514rxvt_term::bg_init ()
574{ 515{
516#if BG_IMAGE_FROM_ROOT
517 if (option (Opt_transparent))
518 {
519 if (rs [Rs_blurradius])
520 root_effects.set_blur (rs [Rs_blurradius]);
521
522 if (ISSET_PIXCOLOR (Color_tint))
523 root_effects.set_tint (pix_colors_focused [Color_tint]);
524
525 if (rs [Rs_shade])
526 root_effects.set_shade (rs [Rs_shade]);
527
528 rxvt_img::new_from_root (this)->replace (root_img);
529 XSelectInput (dpy, display->root, PropertyChangeMask);
530 rootwin_ev.start (display, display->root);
531 }
532#endif
533
575#if BG_IMAGE_FROM_FILE 534#if BG_IMAGE_FROM_FILE
576 if (rs[Rs_backgroundPixmap]) 535 if (rs[Rs_backgroundPixmap])
577 { 536 {
578 if (fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]) 537 fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
579 && !bg_window_position_sensitive ()) 538 if (!bg_window_position_sensitive ())
580 update_background (); 539 update_background ();
581 } 540 }
582#endif 541#endif
583} 542}
584 543
585void
586rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
587{
588 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
589
590 if (tint_set)
591 tint.get (c);
592
593 if (shade > 100)
594 {
595 c.r = c.r * (200 - shade) / 100;
596 c.g = c.g * (200 - shade) / 100;
597 c.b = c.b * (200 - shade) / 100;
598 }
599 else
600 {
601 c.r = c.r * shade / 100;
602 c.g = c.g * shade / 100;
603 c.b = c.b * shade / 100;
604 }
605
606 img->contrast (c.r, c.g, c.b, c.a);
607
608 if (shade > 100)
609 {
610 c.a = 0xffff;
611 c.r =
612 c.g =
613 c.b = 0xffff * (shade - 100) / 100;
614 img->brightness (c.r, c.g, c.b, c.a);
615 }
616}
617
618#endif /* HAVE_BG_PIXMAP */ 544#endif /* HAVE_BG_PIXMAP */

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