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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.229 by sf-exg, Fri Jun 1 16:07:35 2012 UTC vs.
Revision 1.236 by sf-exg, Sun Jun 10 13:07:56 2012 UTC

… …
20 * You should have received a copy of the GNU General Public License 20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software 21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *---------------------------------------------------------------------*/ 23 *---------------------------------------------------------------------*/
24 24
25#include <math.h>
26#include "../config.h" /* NECESSARY */ 25#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 26#include "rxvt.h" /* NECESSARY */
28 27
29#if XRENDER
30# include <X11/extensions/Xrender.h>
31#endif
32
33#ifndef FilterConvolution
34#define FilterConvolution "convolution"
35#endif
36
37#ifndef RepeatPad
38#define RepeatPad True
39#endif
40
41#ifdef HAVE_BG_PIXMAP 28#ifdef HAVE_BG_PIXMAP
42# if XRENDER
43static Picture
44create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
45{
46 Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
47
48 XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
49 XRenderPictureAttributes pa;
50 pa.repeat = True;
51 pa.component_alpha = component_alpha;
52 Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
53
54 XFreePixmap (dpy, pixmap);
55
56 return mask;
57}
58# endif
59 29
60void 30void
61rxvt_term::bg_destroy () 31rxvt_term::bg_destroy ()
62{ 32{
33# if ENABLE_TRANSPARENCY
34 delete root_img;
35# endif
36
63# ifdef BG_IMAGE_FROM_FILE 37# if BG_IMAGE_FROM_FILE
64 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
65 bg_image->destroy (); 38 fimage.destroy ();
66# endif 39# endif
67 40
68 if (bg_pixmap) 41 delete bg_img;
69 XFreePixmap (dpy, bg_pixmap);
70} 42}
71 43
72bool 44bool
73rxvt_term::bg_set_position (int x, int y) 45rxvt_term::bg_set_position (int x, int y)
74{ 46{
… …
84} 56}
85 57
86bool 58bool
87rxvt_term::bg_window_size_sensitive () 59rxvt_term::bg_window_size_sensitive ()
88{ 60{
89# ifdef ENABLE_TRANSPARENCY 61# if ENABLE_TRANSPARENCY
90 if (bg_flags & BG_IS_TRANSPARENT) 62 if (bg_flags & BG_IS_TRANSPARENT)
91 return true; 63 return true;
92# endif 64# endif
93 65
94# ifdef BG_IMAGE_FROM_FILE 66# if BG_IMAGE_FROM_FILE
95 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 67 if (fimage.img)
96 { 68 {
97 if ((bg_image->flags & IM_IS_SIZE_SENSITIVE) 69 if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
98 || bg_image->width () > szHint.width 70 || fimage.img->w > szHint.width
99 || bg_image->height () > szHint.height) 71 || fimage.img->h > szHint.height)
100 return true; 72 return true;
101 } 73 }
102# endif 74# endif
103 75
104 return false; 76 return false;
105} 77}
106 78
107bool 79bool
108rxvt_term::bg_window_position_sensitive () 80rxvt_term::bg_window_position_sensitive ()
109{ 81{
110# ifdef ENABLE_TRANSPARENCY 82# if ENABLE_TRANSPARENCY
111 if (bg_flags & BG_IS_TRANSPARENT) 83 if (bg_flags & BG_IS_TRANSPARENT)
112 return true; 84 return true;
113# endif 85# endif
114 86
115# ifdef BG_IMAGE_FROM_FILE 87# if BG_IMAGE_FROM_FILE
116 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 88 if (fimage.img)
117 { 89 {
118 if (bg_image->flags & IM_ROOT_ALIGN) 90 if (fimage.flags & IM_ROOT_ALIGN)
119 return true; 91 return true;
120 } 92 }
121# endif 93# endif
122 94
123 return false; 95 return false;
124} 96}
125 97
126# ifdef BG_IMAGE_FROM_FILE 98# if BG_IMAGE_FROM_FILE
127static inline int 99static inline int
128make_align_position (int align, int window_size, int image_size) 100make_align_position (int align, int window_size, int image_size)
129{ 101{
130 if (align >= 0 && align <= 100) 102 if (align >= 0 && align <= 100)
131 return lerp (0, window_size - image_size, align); 103 return lerp (0, window_size - image_size, align);
… …
314} 286}
315 287
316void 288void
317rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y) 289rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
318{ 290{
319 int image_width = image.width (); 291 int image_width = image.img->w;
320 int image_height = image.height (); 292 int image_height = image.img->h;
321 int target_width = szHint.width; 293 int target_width = szHint.width;
322 int target_height = szHint.height; 294 int target_height = szHint.height;
323 int h_scale = min (image.h_scale, 32767 * 100 / target_width); 295 int h_scale = min (image.h_scale, 32767 * 100 / target_width);
324 int v_scale = min (image.v_scale, 32767 * 100 / target_height); 296 int v_scale = min (image.v_scale, 32767 * 100 / target_height);
325 297
… …
347 x = make_align_position (image.h_align, target_width, w); 319 x = make_align_position (image.h_align, target_width, w);
348 y = make_align_position (image.v_align, target_height, h); 320 y = make_align_position (image.v_align, target_height, h);
349 } 321 }
350} 322}
351 323
352# ifdef HAVE_PIXBUF
353bool
354rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
355 int src_x, int src_y, int dst_x, int dst_y,
356 unsigned int width, unsigned int height, bool argb)
357{
358 XImage *ximage;
359 char *line;
360 int width_r, width_g, width_b, width_a;
361 int sh_r, sh_g, sh_b, sh_a;
362 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
363 int rowstride;
364 int channels;
365 unsigned char *row;
366
367 if (visual->c_class != TrueColor)
368 return false;
369
370 if (argb)
371 {
372 red_mask = 0xff << 16;
373 green_mask = 0xff << 8;
374 blue_mask = 0xff;
375 alpha_mask = 0xff << 24;
376 }
377 else
378 {
379 red_mask = visual->red_mask;
380 green_mask = visual->green_mask;
381 blue_mask = visual->blue_mask;
382#if XRENDER
383 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
384 if (format)
385 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
386 else
387#endif
388 alpha_mask = 0;
389 }
390
391 width_r = ecb_popcount32 (red_mask);
392 width_g = ecb_popcount32 (green_mask);
393 width_b = ecb_popcount32 (blue_mask);
394 width_a = ecb_popcount32 (alpha_mask);
395
396 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
397 return false;
398
399 sh_r = ecb_ctz32 (red_mask);
400 sh_g = ecb_ctz32 (green_mask);
401 sh_b = ecb_ctz32 (blue_mask);
402 sh_a = ecb_ctz32 (alpha_mask);
403
404 if (width > 32767 || height > 32767)
405 return false;
406
407 ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
408 width, height, 32, 0);
409 if (!ximage)
410 return false;
411
412 if (height > INT_MAX / ximage->bytes_per_line
413 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
414 {
415 XDestroyImage (ximage);
416 return false;
417 }
418
419 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
420
421 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
422 channels = gdk_pixbuf_get_n_channels (pixbuf);
423 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
424 line = ximage->data;
425
426 rgba c (0, 0, 0);
427
428 if (channels == 4 && alpha_mask == 0)
429 {
430 pix_colors[Color_bg].get (c);
431 c.r >>= 8;
432 c.g >>= 8;
433 c.b >>= 8;
434 }
435
436 for (int y = 0; y < height; y++)
437 {
438 for (int x = 0; x < width; x++)
439 {
440 unsigned char *pixel = row + x * channels;
441 uint32_t value;
442 unsigned char r, g, b, a;
443
444 if (channels == 4)
445 {
446 a = pixel[3];
447 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
448 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
449 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
450 }
451 else
452 {
453 a = 0xff;
454 r = pixel[0];
455 g = pixel[1];
456 b = pixel[2];
457 }
458
459 value = ((r >> (8 - width_r)) << sh_r)
460 | ((g >> (8 - width_g)) << sh_g)
461 | ((b >> (8 - width_b)) << sh_b)
462 | ((a >> (8 - width_a)) << sh_a);
463
464 if (ximage->bits_per_pixel == 32)
465 ((uint32_t *)line)[x] = value;
466 else
467 XPutPixel (ximage, x, y, value);
468 }
469
470 row += rowstride;
471 line += ximage->bytes_per_line;
472 }
473
474 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
475 XDestroyImage (ximage);
476 return true;
477}
478
479bool 324bool
480rxvt_term::render_image (rxvt_image &image) 325rxvt_term::render_image (rxvt_image &image)
481{ 326{
482 GdkPixbuf *pixbuf = image.pixbuf;
483 if (!pixbuf)
484 return false;
485
486 bool need_blend = bg_flags & BG_IS_VALID;
487
488 if (need_blend
489 && !(bg_flags & BG_HAS_RENDER))
490 return false;
491
492 GdkPixbuf *result;
493
494 int image_width = gdk_pixbuf_get_width (pixbuf);
495 int image_height = gdk_pixbuf_get_height (pixbuf);
496
497 int target_width = szHint.width; 327 int target_width = szHint.width;
498 int target_height = szHint.height; 328 int target_height = szHint.height;
499 int new_pmap_width = target_width;
500 int new_pmap_height = target_height;
501 329
502 int x = 0; 330 int x = 0;
503 int y = 0; 331 int y = 0;
504 int w = 0; 332 int w = 0;
505 int h = 0; 333 int h = 0;
… …
511 || y >= target_height 339 || y >= target_height
512 || x + w <= 0 340 || x + w <= 0
513 || y + h <= 0)) 341 || y + h <= 0))
514 return false; 342 return false;
515 343
516 result = pixbuf; 344 rxvt_img *img = image.img->scale (w, h);
517 345
518 if (w != image_width 346 if (image.flags & IM_TILE)
519 || h != image_height) 347 img->repeat_mode (RepeatNormal);
520 {
521 result = gdk_pixbuf_scale_simple (pixbuf,
522 w, h,
523 GDK_INTERP_BILINEAR);
524 }
525
526 if (!result)
527 return false;
528
529 bool ret = false;
530
531 XGCValues gcv;
532 GC gc;
533 Pixmap tmp_pixmap;
534
535 image_width = gdk_pixbuf_get_width (result);
536 image_height = gdk_pixbuf_get_height (result);
537
538 if (need_blend)
539 tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
540 else 348 else
541 { 349 img->repeat_mode (RepeatNone);
542 // optimise bg pixmap size when tiling, but only if there are no 350 img->sub_rect (-x, -y, target_width, target_height)->replace (img);
543 // other pixbufs to render. Otherwise, the bg pixmap size must
544 // be equal to the window size.
545 if ((image.flags & IM_TILE)
546 && image_vec.size () == 1)
547 {
548 new_pmap_width = min (image_width, target_width);
549 new_pmap_height = min (image_height, target_height);
550 }
551 351
552 if (bg_pixmap == None 352 if (bg_flags & BG_IS_VALID)
553 || bg_pmap_width != new_pmap_width
554 || bg_pmap_height != new_pmap_height)
555 {
556 if (bg_pixmap)
557 XFreePixmap (dpy, bg_pixmap);
558 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
559 bg_pmap_width = new_pmap_width;
560 bg_pmap_height = new_pmap_height;
561 }
562
563 tmp_pixmap = bg_pixmap;
564 } 353 {
565 354 double factor = image.alpha * 1. / 0xffff;
566 gcv.foreground = pix_colors[Color_bg]; 355 bg_img->blend (img, factor)->replace (img);
567 gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
568
569 if (gc)
570 { 356 }
571 if (image.flags & IM_TILE)
572 {
573 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
574 pixbuf_to_pixmap (result, tile, gc,
575 0, 0,
576 0, 0,
577 image_width, image_height, need_blend);
578 357
579 gcv.tile = tile;
580 gcv.fill_style = FillTiled;
581 gcv.ts_x_origin = x;
582 gcv.ts_y_origin = y;
583 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
584
585 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
586 XFreePixmap (dpy, tile);
587 }
588 else
589 {
590 int src_x, src_y, dst_x, dst_y;
591 int dst_width, dst_height;
592
593 src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
594 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
595
596 if (dst_x > 0 || dst_y > 0
597 || dst_x + dst_width < new_pmap_width
598 || dst_y + dst_height < new_pmap_height)
599 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
600
601 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
602 pixbuf_to_pixmap (result, tmp_pixmap, gc,
603 src_x, src_y,
604 dst_x, dst_y,
605 dst_width, dst_height, need_blend);
606 }
607
608 if (image.need_blur ())
609 blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
610 if (image.need_tint ())
611 tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
612
613#if XRENDER
614 if (need_blend)
615 {
616 XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
617 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 358 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
359 img->convert_format (format, pix_colors [Color_bg])->replace (img);
618 360
619 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0); 361 delete bg_img;
362 bg_img = img;
620 363
621 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
622
623 Picture mask = create_xrender_mask (dpy, vt, False, False);
624
625 XRenderColor mask_c;
626
627 mask_c.alpha = image.alpha;
628 mask_c.red =
629 mask_c.green =
630 mask_c.blue = 0;
631 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
632
633 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
634
635 XRenderFreePicture (dpy, src);
636 XRenderFreePicture (dpy, dst);
637 XRenderFreePicture (dpy, mask);
638 }
639#endif
640
641 XFreeGC (dpy, gc);
642
643 ret = true;
644 }
645
646 if (result != pixbuf)
647 g_object_unref (result);
648
649 if (need_blend)
650 XFreePixmap (dpy, tmp_pixmap);
651
652 return ret; 364 return true;
653}
654# endif /* HAVE_PIXBUF */
655
656# ifndef NO_RESOURCES
657static int
658rxvt_define_image (XrmDatabase *database ecb_unused,
659 XrmBindingList bindings ecb_unused,
660 XrmQuarkList quarks,
661 XrmRepresentation *type ecb_unused,
662 XrmValue *value,
663 XPointer closure ecb_unused)
664{
665 int size;
666
667 for (size = 0; quarks[size] != NULLQUARK; size++)
668 ;
669
670 if (size >= 2)
671 {
672 int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
673 if (id >= 1)
674 GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
675 }
676 return False;
677}
678# endif
679
680void
681rxvt_term::parse_image (int id, const char *type, const char *arg)
682{
683 if (image_vec.size () < id + 1)
684 image_vec.resize (id + 1);
685
686 rxvt_image *image = &image_vec[id];
687} 365}
688 366
689rxvt_image::rxvt_image () 367rxvt_image::rxvt_image ()
690{ 368{
691 alpha = 0xffff; 369 alpha = 0xffff;
… …
693 h_scale = 371 h_scale =
694 v_scale = defaultScale; 372 v_scale = defaultScale;
695 h_align = 373 h_align =
696 v_align = defaultAlign; 374 v_align = defaultAlign;
697 375
698# ifdef HAVE_PIXBUF 376 img = 0;
699 pixbuf = 0;
700# endif
701} 377}
702 378
703bool 379bool
704rxvt_image::set_file_geometry (const char *file) 380rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
705{ 381{
706 if (!file || !*file) 382 if (!file || !*file)
707 return false; 383 return false;
708 384
709 const char *p = strchr (file, ';'); 385 const char *p = strchr (file, ';');
… …
715 memcpy (f, file, len); 391 memcpy (f, file, len);
716 f[len] = '\0'; 392 f[len] = '\0';
717 file = f; 393 file = f;
718 } 394 }
719 395
720 bool ret = set_file (file); 396 bool ret = set_file (s, file);
721 alpha = 0x8000; 397 alpha = 0x8000;
722 if (ret) 398 if (ret)
723 set_geometry (p ? p + 1 : ""); 399 set_geometry (p ? p + 1 : "");
724 return ret; 400 return ret;
725} 401}
726 402
727bool 403bool
728rxvt_image::set_file (const char *file) 404rxvt_image::set_file (rxvt_screen *s, const char *file)
729{ 405{
730 bool ret = false; 406 delete img;
731 407 img = rxvt_img::new_from_file (s, file);
732# ifdef HAVE_PIXBUF 408 return img != 0;
733 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
734 if (image)
735 {
736 if (pixbuf)
737 g_object_unref (pixbuf);
738 pixbuf = image;
739 ret = true;
740 }
741# endif
742
743 if (ret)
744 flags |= IM_IS_SET;
745
746 return ret;
747} 409}
748 410
749# endif /* BG_IMAGE_FROM_FILE */ 411# endif /* BG_IMAGE_FROM_FILE */
750 412
751bool 413bool
… …
809 } 471 }
810 472
811 return false; 473 return false;
812} 474}
813 475
814#if XRENDER
815static void
816get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
817{
818 double sigma = radius / 2.0;
819 double scale = sqrt (2.0 * M_PI) * sigma;
820 double sum = 0.0;
821
822 for (int i = 0; i < width; i++)
823 {
824 double x = i - width / 2;
825 kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
826 sum += kernel[i];
827 }
828
829 params[0] = XDoubleToFixed (width);
830 params[1] = XDoubleToFixed (1);
831
832 for (int i = 0; i < width; i++)
833 params[i+2] = XDoubleToFixed (kernel[i] / sum);
834}
835#endif
836
837bool
838rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
839{
840 bool ret = false;
841#if XRENDER
842 if (!(bg_flags & BG_HAS_RENDER_CONV))
843 return false;
844
845 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
846 double *kernel = (double *)malloc (size * sizeof (double));
847 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
848
849 XRenderPictureAttributes pa;
850 XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
851 : XRenderFindVisualFormat (dpy, visual);
852
853 pa.repeat = RepeatPad;
854 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
855 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
856 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
857 XFreePixmap (dpy, tmp);
858
859 if (kernel && params)
860 {
861 size = h_blurRadius * 2 + 1;
862 get_gaussian_kernel (h_blurRadius, size, kernel, params);
863
864 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
865 XRenderComposite (dpy,
866 PictOpSrc,
867 src,
868 None,
869 dst,
870 0, 0,
871 0, 0,
872 0, 0,
873 width, height);
874
875 ::swap (src, dst);
876
877 size = v_blurRadius * 2 + 1;
878 get_gaussian_kernel (v_blurRadius, size, kernel, params);
879 ::swap (params[0], params[1]);
880
881 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
882 XRenderComposite (dpy,
883 PictOpSrc,
884 src,
885 None,
886 dst,
887 0, 0,
888 0, 0,
889 0, 0,
890 width, height);
891
892 ret = true;
893 }
894
895 free (kernel);
896 free (params);
897 XRenderFreePicture (dpy, src);
898 XRenderFreePicture (dpy, dst);
899#endif
900 return ret;
901}
902
903bool
904rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
905{
906 bool ret = false;
907
908 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
909
910 if (tint_set)
911 tint.get (c);
912
913 if (shade == 100
914 && (c.r <= 0x00ff || c.r >= 0xff00)
915 && (c.g <= 0x00ff || c.g >= 0xff00)
916 && (c.b <= 0x00ff || c.b >= 0xff00))
917 {
918 XGCValues gcv;
919 GC gc;
920
921 /* In this case we can tint image server-side getting significant
922 * performance improvements, as we eliminate XImage transfer
923 */
924 gcv.foreground = Pixel (tint);
925 gcv.function = GXand;
926 gcv.fill_style = FillSolid;
927 gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
928 if (gc)
929 {
930 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
931 ret = true;
932 XFreeGC (dpy, gc);
933 }
934 }
935# if XRENDER
936 else if (bg_flags & BG_HAS_RENDER)
937 {
938 if (shade <= 100)
939 {
940 c.r = c.r * shade / 100;
941 c.g = c.g * shade / 100;
942 c.b = c.b * shade / 100;
943 }
944 else
945 {
946 c.r = c.r * (200 - shade) / 100;
947 c.g = c.g * (200 - shade) / 100;
948 c.b = c.b * (200 - shade) / 100;
949 }
950
951 XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
952 : XRenderFindVisualFormat (dpy, visual);
953
954 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
955
956 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
957
958 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
959
960 XRenderColor mask_c;
961
962 mask_c.alpha = 0xffff;
963 mask_c.red =
964 mask_c.green =
965 mask_c.blue = 0;
966 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
967
968 mask_c.alpha = 0;
969 mask_c.red = 0xffff - c.r;
970 mask_c.green = 0xffff - c.g;
971 mask_c.blue = 0xffff - c.b;
972 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
973
974 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
975
976 if (shade > 100)
977 {
978 mask_c.alpha = 0;
979 mask_c.red =
980 mask_c.green =
981 mask_c.blue = 0xffff * (shade - 100) / 100;
982 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
983
984 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
985 }
986
987 ret = true;
988
989 XRenderFreePicture (dpy, mask_pic);
990 XRenderFreePicture (dpy, overlay_pic);
991 XRenderFreePicture (dpy, back_pic);
992 }
993# endif
994
995 return ret;
996}
997
998# ifdef ENABLE_TRANSPARENCY 476# if ENABLE_TRANSPARENCY
999/* 477/*
1000 * Builds a pixmap of the same size as the terminal window that contains 478 * Builds a pixmap of the same size as the terminal window that contains
1001 * the tiled portion of the root pixmap that is supposed to be covered by 479 * the tiled portion of the root pixmap that is supposed to be covered by
1002 * our window. 480 * our window.
1003 */ 481 */
1004bool 482bool
1005rxvt_term::render_root_image () 483rxvt_term::render_root_image ()
1006{ 484{
1007 bool ret = false;
1008
1009 /* root dimensions may change from call to call - but Display structure should 485 /* root dimensions may change from call to call - but Display structure should
1010 * be always up-to-date, so let's use it : 486 * be always up-to-date, so let's use it :
1011 */ 487 */
1012 int screen = display->screen; 488 int screen = display->screen;
1013 int root_depth = DefaultDepth (dpy, screen);
1014 int root_width = DisplayWidth (dpy, screen); 489 int root_width = DisplayWidth (dpy, screen);
1015 int root_height = DisplayHeight (dpy, screen); 490 int root_height = DisplayHeight (dpy, screen);
1016 unsigned int root_pmap_width, root_pmap_height;
1017 int window_width = szHint.width; 491 int window_width = szHint.width;
1018 int window_height = szHint.height; 492 int window_height = szHint.height;
1019 int sx, sy; 493 int sx, sy;
1020 XGCValues gcv;
1021 GC gc;
1022 494
1023 sx = target_x; 495 sx = target_x;
1024 sy = target_y; 496 sy = target_y;
497
498 if (!root_img)
499 return false;
1025 500
1026 /* check if we are outside of the visible part of the virtual screen : */ 501 /* check if we are outside of the visible part of the virtual screen : */
1027 if (sx + window_width <= 0 || sy + window_height <= 0 502 if (sx + window_width <= 0 || sy + window_height <= 0
1028 || sx >= root_width || sy >= root_height) 503 || sx >= root_width || sy >= root_height)
1029 return 0; 504 return 0;
1030 505
1031 // validate root pixmap and get its size
1032 if (root_pixmap != None)
1033 {
1034 Window wdummy;
1035 int idummy;
1036 unsigned int udummy;
1037
1038 allowedxerror = -1;
1039
1040 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))
1041 root_pixmap = None;
1042
1043 allowedxerror = 0;
1044 }
1045
1046 Pixmap recoded_root_pmap = root_pixmap;
1047
1048 if (root_pixmap != None && root_depth != depth)
1049 {
1050#if XRENDER
1051 if (bg_flags & BG_HAS_RENDER)
1052 {
1053 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1054
1055 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1056 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1057
1058 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1059 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1060
1061 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1062
1063 XRenderFreePicture (dpy, src);
1064 XRenderFreePicture (dpy, dst);
1065 }
1066 else
1067#endif
1068 recoded_root_pmap = None;
1069 }
1070
1071 if (recoded_root_pmap == None)
1072 return 0;
1073
1074 if (bg_pixmap == None
1075 || bg_pmap_width != window_width
1076 || bg_pmap_height != window_height)
1077 {
1078 if (bg_pixmap)
1079 XFreePixmap (dpy, bg_pixmap);
1080 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1081 bg_pmap_width = window_width;
1082 bg_pmap_height = window_height;
1083 }
1084
1085 /* straightforward pixmap copy */
1086 while (sx < 0) sx += root_pmap_width; 506 while (sx < 0) sx += root_img->w;
1087 while (sy < 0) sy += root_pmap_height; 507 while (sy < 0) sy += root_img->h;
1088 508
1089 gcv.tile = recoded_root_pmap; 509 rxvt_img *img = root_img->sub_rect (sx, sy, window_width, window_height);
1090 gcv.fill_style = FillTiled;
1091 gcv.ts_x_origin = -sx;
1092 gcv.ts_y_origin = -sy;
1093 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1094 510
1095 if (gc) 511 if (root_effects.need_blur ())
1096 { 512 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
1097 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1098 ret = true;
1099 bool need_blur = root_effects.need_blur ();
1100 bool need_tint = root_effects.need_tint ();
1101 513
1102 if (need_blur) 514 if (root_effects.need_tint ())
1103 {
1104 if (blur_pixmap (bg_pixmap, window_width, window_height, false,
1105 root_effects.h_blurRadius, root_effects.v_blurRadius))
1106 need_blur = false;
1107 }
1108 if (need_tint)
1109 {
1110 if (tint_pixmap (bg_pixmap, window_width, window_height, false,
1111 root_effects.tint, root_effects.tint_set, root_effects.shade))
1112 need_tint = false;
1113 }
1114 if (need_tint)
1115 {
1116 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1117 if (ximage)
1118 {
1119 /* our own client-side tinting */
1120 tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade); 515 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
1121 516
1122 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height); 517 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1123 XDestroyImage (ximage); 518 img->convert_format (format, pix_colors [Color_bg])->replace (img);
1124 }
1125 }
1126 519
1127 XFreeGC (dpy, gc); 520 delete bg_img;
1128 } 521 bg_img = img;
1129 522
1130 if (recoded_root_pmap != root_pixmap)
1131 XFreePixmap (dpy, recoded_root_pmap);
1132
1133 return ret; 523 return true;
1134} 524}
1135 525
1136void 526void
1137rxvt_term::bg_set_root_pixmap () 527rxvt_term::bg_set_root_pixmap ()
1138{ 528{
1139 Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); 529 delete root_img;
1140 if (new_root_pixmap == None) 530 root_img = rxvt_img::new_from_root (this);
1141 new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1142
1143 root_pixmap = new_root_pixmap;
1144} 531}
1145# endif /* ENABLE_TRANSPARENCY */ 532# endif /* ENABLE_TRANSPARENCY */
1146 533
1147bool 534void
1148rxvt_term::bg_render () 535rxvt_term::bg_render ()
1149{ 536{
537 if (bg_flags & BG_INHIBIT_RENDER)
538 return;
539
1150 bg_invalidate (); 540 bg_invalidate ();
1151# ifdef ENABLE_TRANSPARENCY 541# if ENABLE_TRANSPARENCY
1152 if (bg_flags & BG_IS_TRANSPARENT) 542 if (bg_flags & BG_IS_TRANSPARENT)
1153 { 543 {
1154 /* we need to re-generate transparency pixmap in that case ! */ 544 /* we need to re-generate transparency pixmap in that case ! */
1155 if (render_root_image ()) 545 if (render_root_image ())
1156 bg_flags |= BG_IS_VALID; 546 bg_flags |= BG_IS_VALID;
1157 } 547 }
1158# endif 548# endif
1159 549
1160# ifdef BG_IMAGE_FROM_FILE 550# if BG_IMAGE_FROM_FILE
1161 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++) 551 if (fimage.img)
1162 { 552 {
1163 if (render_image (*bg_image)) 553 if (render_image (fimage))
1164 bg_flags |= BG_IS_VALID; 554 bg_flags |= BG_IS_VALID;
1165 } 555 }
1166# endif 556# endif
1167 557
1168 if (!(bg_flags & BG_IS_VALID)) 558 if (!(bg_flags & BG_IS_VALID))
1169 { 559 {
1170 if (bg_pixmap != None) 560 delete bg_img;
1171 { 561 bg_img = 0;
1172 XFreePixmap (dpy, bg_pixmap);
1173 bg_pixmap = None;
1174 }
1175 } 562 }
1176 563
1177 scr_recolour (false); 564 scr_recolour (false);
1178 bg_flags |= BG_NEEDS_REFRESH; 565 bg_flags |= BG_NEEDS_REFRESH;
1179 566
1180 bg_valid_since = ev::now (); 567 bg_valid_since = ev::now ();
1181
1182 return true;
1183} 568}
1184 569
1185void 570void
1186rxvt_term::bg_init () 571rxvt_term::bg_init ()
1187{ 572{
1188 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); 573#if BG_IMAGE_FROM_FILE
1189#if XRENDER 574 if (rs[Rs_backgroundPixmap])
1190 int major, minor;
1191 if (XRenderQueryVersion (dpy, &major, &minor))
1192 bg_flags |= BG_HAS_RENDER;
1193 XFilters *filters = XRenderQueryFilters (dpy, vt);
1194 if (filters)
1195 { 575 {
1196 for (int i = 0; i < filters->nfilter; i++) 576 if (fimage.set_file_geometry (this, rs[Rs_backgroundPixmap])
1197 if (!strcmp (filters->filter[i], FilterConvolution)) 577 && !bg_window_position_sensitive ())
1198 bg_flags |= BG_HAS_RENDER_CONV; 578 update_background ();
1199
1200 XFree (filters);
1201 } 579 }
1202#endif 580#endif
1203
1204#ifdef BG_IMAGE_FROM_FILE
1205 if (rs[Rs_backgroundPixmap])
1206 {
1207 rxvt_image *image = new_image ();
1208 if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
1209 image_vec.pop_back ();
1210 }
1211
1212# ifndef NO_RESOURCES
1213 find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
1214# endif
1215
1216 vector<rxvt_image>::iterator bg_image = image_vec.begin ();
1217 while (bg_image != image_vec.end ())
1218 {
1219 if (!(bg_image->flags & IM_IS_SET))
1220 bg_image = image_vec.erase (bg_image);
1221 else
1222 {
1223 if (bg_image->is_size_sensitive ())
1224 bg_image->flags |= IM_IS_SIZE_SENSITIVE;
1225
1226 bg_image++;
1227 }
1228 }
1229
1230 if (image_vec.size () > 0
1231 && !bg_window_position_sensitive ())
1232 update_background ();
1233#endif
1234}
1235
1236/* based on code from aterm-0.4.2 */
1237
1238static inline void
1239fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1240{
1241 for (int i = 0; i <= mask >> sh; i++)
1242 {
1243 uint32_t tmp;
1244 tmp = i * high;
1245 tmp += (mask >> sh) * low;
1246 lookup[i] = (tmp / 0xffff) << sh;
1247 }
1248} 581}
1249 582
1250void 583void
1251rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade) 584rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1252{ 585{
1253 unsigned int size_r, size_g, size_b;
1254 int sh_r, sh_g, sh_b;
1255 uint32_t mask_r, mask_g, mask_b;
1256 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1257 unsigned short low;
1258 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1259
1260 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1261
1262 /* for convenience */
1263 mask_r = visual->red_mask;
1264 mask_g = visual->green_mask;
1265 mask_b = visual->blue_mask;
1266
1267 /* boring lookup table pre-initialization */
1268 sh_r = ecb_ctz32 (mask_r);
1269 sh_g = ecb_ctz32 (mask_g);
1270 sh_b = ecb_ctz32 (mask_b);
1271
1272 size_r = mask_r >> sh_r;
1273 size_g = mask_g >> sh_g;
1274 size_b = mask_b >> sh_b;
1275
1276 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1277 return;
1278
1279 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1280 lookup_r = lookup;
1281 lookup_g = lookup + size_r;
1282 lookup_b = lookup + size_r + size_g;
1283
1284 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 586 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1285 587
1286 if (tint_set) 588 if (tint_set)
1287 tint.get (c); 589 tint.get (c);
1288 590
1289 /* prepare limits for color transformation (each channel is handled separately) */
1290 if (shade > 100) 591 if (shade > 100)
1291 { 592 {
1292 c.r = c.r * (200 - shade) / 100; 593 c.r = c.r * (200 - shade) / 100;
1293 c.g = c.g * (200 - shade) / 100; 594 c.g = c.g * (200 - shade) / 100;
1294 c.b = c.b * (200 - shade) / 100; 595 c.b = c.b * (200 - shade) / 100;
1295
1296 low = 0xffff * (shade - 100) / 100;
1297 } 596 }
1298 else 597 else
1299 { 598 {
1300 c.r = c.r * shade / 100; 599 c.r = c.r * shade / 100;
1301 c.g = c.g * shade / 100; 600 c.g = c.g * shade / 100;
1302 c.b = c.b * shade / 100; 601 c.b = c.b * shade / 100;
1303
1304 low = 0;
1305 }
1306
1307 /* fill our lookup tables */
1308 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1309 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1310 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1311
1312 /* apply table to input image (replacing colors by newly calculated ones) */
1313 if (ximage->bits_per_pixel == 32
1314 && ximage->byte_order == host_byte_order)
1315 { 602 }
1316 char *line = ximage->data;
1317 603
1318 for (int y = 0; y < ximage->height; y++) 604 img->contrast (c.r, c.g, c.b, c.a);
1319 { 605
1320 uint32_t *p = (uint32_t *)line; 606 if (shade > 100)
1321 for (int x = 0; x < ximage->width; x++)
1322 {
1323 *p = lookup_r[(*p & mask_r) >> sh_r] |
1324 lookup_g[(*p & mask_g) >> sh_g] |
1325 lookup_b[(*p & mask_b) >> sh_b];
1326 p++;
1327 }
1328 line += ximage->bytes_per_line;
1329 }
1330 } 607 {
1331 else 608 c.a = 0xffff;
609 c.r =
610 c.g =
611 c.b = 0xffff * (shade - 100) / 100;
612 img->brightness (c.r, c.g, c.b, c.a);
1332 { 613 }
1333 for (int y = 0; y < ximage->height; y++)
1334 for (int x = 0; x < ximage->width; x++)
1335 {
1336 unsigned long pixel = XGetPixel (ximage, x, y);
1337 pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1338 lookup_g[(pixel & mask_g) >> sh_g] |
1339 lookup_b[(pixel & mask_b) >> sh_b];
1340 XPutPixel (ximage, x, y, pixel);
1341 }
1342 }
1343
1344 free (lookup);
1345} 614}
1346 615
1347#endif /* HAVE_BG_PIXMAP */ 616#endif /* HAVE_BG_PIXMAP */

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