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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.36 by root, Mon Jan 30 17:43:20 2006 UTC vs.
Revision 1.43 by root, Tue Jan 31 18:36:35 2006 UTC

… …
81 "SCREEN_RESOURCES", 81 "SCREEN_RESOURCES",
82 "XDCCC_LINEAR_RGB_CORRECTION", 82 "XDCCC_LINEAR_RGB_CORRECTION",
83 "XDCCC_LINEAR_RGB_MATRICES", 83 "XDCCC_LINEAR_RGB_MATRICES",
84 "WM_COLORMAP_WINDOWS", 84 "WM_COLORMAP_WINDOWS",
85 "WM_STATE", 85 "WM_STATE",
86 "cursor",
87# if USE_XIM
88 "TRANSPORT",
89 "LOCALES",
90 "_XIM_PROTOCOL",
91 "_XIM_XCONNECT",
92 "_XIM_MOREDATA",
93# endif
86#endif 94#endif
87}; 95};
88 96
89///////////////////////////////////////////////////////////////////////////// 97/////////////////////////////////////////////////////////////////////////////
90 98
… …
550 558
551template class refcache<rxvt_display>; 559template class refcache<rxvt_display>;
552refcache<rxvt_display> displays; 560refcache<rxvt_display> displays;
553 561
554///////////////////////////////////////////////////////////////////////////// 562/////////////////////////////////////////////////////////////////////////////
555 563
556bool 564bool
557rxvt_color::set (rxvt_screen *screen, const char *name) 565rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
558{
559#if XFT
560 int l = strlen (name);
561 rxvt_rgba r;
562 char eos;
563 int mult;
564
565 // shortcutting this saves countless server RTTs for the built-in colours
566 if (l == 3+3*3 && 3 == sscanf (name, "rgb:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
567 {
568 r.a = rxvt_rgba::MAX_CC;
569 mult = rxvt_rgba::MAX_CC / 0x00ff;
570 }
571
572 // parse a number of non-standard ARGB colour specifications
573 else if ( l == 1+4*1 && 4 == sscanf (name, "#%1hx%1hx%1hx%1hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
574 mult = rxvt_rgba::MAX_CC / 0x000f;
575 else if (l == 1+4*2 && 4 == sscanf (name, "#%2hx%2hx%2hx%2hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
576 mult = rxvt_rgba::MAX_CC / 0x00ff;
577 else if (l == 1+4*4 && 4 == sscanf (name, "#%4hx%4hx%4hx%4hx%c", &r.a, &r.r, &r.g, &r.b, &eos))
578 mult = rxvt_rgba::MAX_CC / 0xffff;
579 else if (l == 4+5*4 && 4 == sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &r.r, &r.g, &r.b, &r.a, &eos))
580 mult = rxvt_rgba::MAX_CC / 0xffff;
581
582 // slow case: server round trip
583 else
584 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
585
586 r.r *= mult; r.g *= mult; r.b *= mult; r.a *= mult;
587
588 return set (screen, r);
589#else
590 XColor xc;
591
592 if (XParseColor (screen->xdisp, screen->cmap, name, &xc))
593 return set (screen, rxvt_rgba (xc.red, xc.green, xc.blue));
594
595 return false;
596#endif
597}
598
599bool
600rxvt_color::set (rxvt_screen *screen, rxvt_rgba rgba)
601{ 566{
602#if XFT 567#if XFT
603 XRenderPictFormat *format; 568 XRenderPictFormat *format;
604 569
605 // FUCKING Xft gets it wrong, of course, so work around it 570 // FUCKING Xft gets it wrong, of course, so work around it
606 // transparency users should eat shit and die, and then 571 // transparency users should eat shit and die, and then
607 // XRenderQueryPictIndexValues themselves plenty. 572 // XRenderQueryPictIndexValues themselves plenty.
608 if (screen->visual->c_class == TrueColor 573 if ((screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor)
609 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual))) 574 && (format = XRenderFindVisualFormat (screen->xdisp, screen->visual)))
610 { 575 {
611 // the fun lies in doing everything manually... 576 // the fun lies in doing everything manually...
612 c.color.red = rgba.r; 577 c.color.red = color.r;
613 c.color.green = rgba.g; 578 c.color.green = color.g;
614 c.color.blue = rgba.b; 579 c.color.blue = color.b;
615 c.color.alpha = rgba.a; 580 c.color.alpha = color.a;
616 581
617 c.pixel = ((rgba.r * format->direct.redMask / rxvt_rgba::MAX_CC) << format->direct.red ) 582 c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red )
618 | ((rgba.g * format->direct.greenMask / rxvt_rgba::MAX_CC) << format->direct.green) 583 | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green)
619 | ((rgba.b * format->direct.blueMask / rxvt_rgba::MAX_CC) << format->direct.blue ) 584 | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue )
620 | ((rgba.a * format->direct.alphaMask / rxvt_rgba::MAX_CC) << format->direct.alpha); 585 | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha);
621 586
622 return true; 587 return true;
623 } 588 }
624 else 589 else
625 { 590 {
626 XRenderColor d; 591 XRenderColor d;
627 592
628 d.red = rgba.r; 593 d.red = color.r;
629 d.green = rgba.g; 594 d.green = color.g;
630 d.blue = rgba.b; 595 d.blue = color.b;
631 d.alpha = rgba.a; 596 d.alpha = color.a;
632 597
633 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); 598 return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c);
634 } 599 }
600#else
601 if (screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor)
602 {
603 c.red = color.g;
604 c.green = color.g;
605 c.blue = color.g;
606 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
607 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
608 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
609 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
610 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
611 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
612
613 return true;
614 }
615 else
616 {
617 c.red = color.r;
618 c.green = color.g;
619 c.blue = color.b;
620
621 if (XAllocColor (screen->xdisp, screen->cmap, &c))
622 return true;
623 else
624 c.pixel = (color.r + color.g + color.b) > 128*3
625 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->xdisp))
626 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->xdisp));
627 }
628#endif
635 629
636 return false; 630 return false;
631}
632
633bool
634rxvt_color::set (rxvt_screen *screen, const char *name)
635{
636 rgba c;
637 char eos;
638 int skip;
639
640 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
641 {
642 printf ("X %d\n", c.a);
643 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
644 name += skip;
645 printf ("y %04x\n", c.a);
646 }
647 else
648 c.a = rgba::MAX_CC;
649
650 // parse the non-standard rgba format
651 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
652 {
653 XColor xc, xc_exact;
654
655 if (XParseColor (screen->xdisp, screen->cmap, name, &xc))
656 {
657 c.r = xc.red;
658 c.g = xc.green;
659 c.b = xc.blue;
660 }
661 else
662 {
663 c.r = 0xffff;
664 c.g = 0x6969;
665 c.b = 0xb4b4;
666
667 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
668 }
669 }
670
671 return set (screen, c);
672}
673
674bool
675rxvt_color::set (rxvt_screen *screen, const rgba &color)
676{
677 bool got = alloc (screen, color);
678
679#if !ENABLE_MINIMAL
680 int cmap_size = screen->visual->map_entries;
681
682 if (!got
683 && screen->visual->c_class == PseudoColor
684 && cmap_size < 4096)
685 {
686 XColor *colors = new XColor [screen->visual->map_entries];
687
688 for (int i = 0; i < cmap_size; i++)
689 colors [i].pixel = i;
690
691 // many kilobytes transfer per colour, but pseudocolor isn't worth
692 // many extra optimisations.
693 XQueryColors (screen->xdisp, screen->cmap, colors, cmap_size);
694
695 int diff = 0x7fffffffUL;
696 XColor *best = colors;
697
698 for (int i = 0; i < cmap_size; i++)
699 {
700 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
701 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
702 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
703
704 if (d < diff)
705 {
706 diff = d;
707 best = colors + i;
708 }
709 }
710
711 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
712 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
713
714 got = alloc (screen, rgba (best->red, best->green, best->blue));
715
716 delete colors;
717 }
718#endif
719
720 return got;
721}
722
723void
724rxvt_color::get (rxvt_screen *screen, rgba &color)
725{
726#if XFT
727 color.r = c.color.red;
728 color.g = c.color.green;
729 color.b = c.color.blue;
730 color.a = c.color.alpha;
637#else 731#else
638 if (screen->visual->c_class == TrueColor)
639 {
640 p = ((rgba.r * ((1 << screen->visual->bits_per_rgb) - 1)
641 / rxvt_rgba::MAX_CC) << ctz (screen->visual->red_mask ))
642 | ((rgba.g * ((1 << screen->visual->bits_per_rgb) - 1)
643 / rxvt_rgba::MAX_CC) << ctz (screen->visual->green_mask))
644 | ((rgba.b * ((1 << screen->visual->bits_per_rgb) - 1)
645 / rxvt_rgba::MAX_CC) << ctz (screen->visual->blue_mask ));
646
647 return true;
648 }
649 else
650 {
651 XColor xc;
652
653 xc.red = rgba.r;
654 xc.green = rgba.g;
655 xc.blue = rgba.b;
656 xc.flags = DoRed | DoGreen | DoBlue;
657
658 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
659 {
660 p = xc.pixel;
661 return true;
662 }
663 }
664
665 return false;
666#endif
667}
668
669void
670rxvt_color::get (rxvt_screen *screen, rxvt_rgba &rgba)
671{
672#if XFT
673 rgba.r = c.color.red;
674 rgba.g = c.color.green;
675 rgba.b = c.color.blue;
676 rgba.a = c.color.alpha;
677#else
678 XColor c;
679
680 c.pixel = p;
681 XQueryColor (screen->xdisp, screen->cmap, &c);
682
683 rgba.r = c.red; 732 color.r = c.red;
684 rgba.g = c.green; 733 color.g = c.green;
685 rgba.b = c.blue; 734 color.b = c.blue;
686 rgba.a = rxvt_rgba::MAX_CC; 735 color.a = rgba::MAX_CC;
687#endif 736#endif
688} 737}
689 738
690void 739void
691rxvt_color::free (rxvt_screen *screen) 740rxvt_color::free (rxvt_screen *screen)
692{ 741{
693#if XFT 742#if XFT
694 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); 743 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
695#else 744#else
696 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); 745 XFreeColors (screen->xdisp, screen->cmap, &c.pixel, 1, AllPlanes);
697#endif 746#endif
698} 747}
699 748
700rxvt_color 749void
701rxvt_color::fade (rxvt_screen *screen, int percent) 750rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
702{ 751{
703 rxvt_color faded;
704
705 rxvt_rgba c; 752 rgba c;
706 get (screen, c); 753 get (screen, c);
707 754
708 c.r = lerp (0, c.r, percent); 755 result.set (
709 c.g = lerp (0, c.g, percent);
710 c.b = lerp (0, c.b, percent);
711
712 faded.set (screen, c);
713
714 return faded;
715}
716
717rxvt_color
718rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
719{
720 rxvt_rgba c, fc;
721 rxvt_color faded;
722
723 get (screen, c);
724 fadeto.get (screen, fc);
725
726 faded.set (
727 screen, 756 screen,
728 rxvt_rgba ( 757 rgba (
729 lerp (fc.r, c.r, percent), 758 lerp (c.r, to.r, percent),
730 lerp (fc.g, c.g, percent), 759 lerp (c.g, to.g, percent),
731 lerp (fc.b, c.b, percent), 760 lerp (c.b, to.b, percent),
732 lerp (fc.a, c.a, percent) 761 lerp (c.a, to.a, percent)
733 ) 762 )
734 ); 763 );
735
736 return faded;
737} 764}
738 765

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