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23 | |
23 | |
24 | #include "../config.h" |
24 | #include "../config.h" |
25 | #include <rxvt.h> |
25 | #include <rxvt.h> |
26 | #include <rxvttoolkit.h> |
26 | #include <rxvttoolkit.h> |
27 | |
27 | |
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|
28 | #include <stdlib.h> |
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|
29 | |
28 | #include <unistd.h> |
30 | #include <unistd.h> |
29 | #include <fcntl.h> |
31 | #include <fcntl.h> |
30 | |
32 | |
31 | #include <sys/utsname.h> |
33 | #include <sys/utsname.h> |
32 | #include <sys/socket.h> |
34 | #include <sys/socket.h> |
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490 | |
492 | |
491 | flags = 0; |
493 | flags = 0; |
492 | #if XRENDER |
494 | #if XRENDER |
493 | int major, minor; |
495 | int major, minor; |
494 | if (XRenderQueryVersion (dpy, &major, &minor)) |
496 | if (XRenderQueryVersion (dpy, &major, &minor)) |
495 | if (major > 0 || (major == 0 && minor >= 10)) |
497 | if (major > 0 || (major == 0 && minor >= 11)) |
496 | { |
498 | { |
497 | flags |= DISPLAY_HAS_RENDER; |
499 | flags |= DISPLAY_HAS_RENDER; |
498 | |
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499 | #if 0 |
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500 | if (major > 0 || (major == 0 && minor >= 11)) |
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501 | flags |= DISPLAY_HAS_RENDER_MUL; |
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502 | #endif |
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503 | |
500 | |
504 | if (XFilters *filters = XRenderQueryFilters (dpy, root)) |
501 | if (XFilters *filters = XRenderQueryFilters (dpy, root)) |
505 | { |
502 | { |
506 | for (int i = 0; i < filters->nfilter; i++) |
503 | for (int i = 0; i < filters->nfilter; i++) |
507 | if (!strcmp (filters->filter [i], FilterConvolution)) |
504 | if (!strcmp (filters->filter [i], FilterConvolution)) |
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758 | unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a; |
755 | unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a; |
759 | |
756 | |
760 | #if XFT |
757 | #if XFT |
761 | XRenderPictFormat *format; |
758 | XRenderPictFormat *format; |
762 | |
759 | |
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760 | // not needed by XftColorAlloc, but by the other paths (ours |
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761 | // and fallback), so just set all components here. |
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762 | c.color.red = color.r; |
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763 | c.color.green = color.g; |
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764 | c.color.blue = color.b; |
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765 | c.color.alpha = alpha; |
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766 | |
763 | // FUCKING Xft gets it wrong, of course, so work around it. |
767 | // FUCKING Xft gets it wrong, of course, so work around it. |
764 | // Transparency users should eat shit and die, and then |
768 | // Transparency users should eat shit and die, and then |
765 | // XRenderQueryPictIndexValues themselves plenty. |
769 | // XRenderQueryPictIndexValues themselves plenty. |
766 | if ((screen->visual->c_class == TrueColor) |
770 | if ((screen->visual->c_class == TrueColor) |
767 | && (format = XRenderFindVisualFormat (screen->dpy, screen->visual))) |
771 | && (format = XRenderFindVisualFormat (screen->dpy, screen->visual))) |
768 | { |
772 | { |
769 | // the fun lies in doing everything manually... |
773 | // the fun lies in doing everything manually... |
770 | c.color.red = color.r; |
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771 | c.color.green = color.g; |
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772 | c.color.blue = color.b; |
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773 | c.color.alpha = alpha; |
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774 | |
774 | |
775 | // Xft wants premultiplied alpha, but abuses the alpha channel |
775 | // Xft wants premultiplied alpha, but abuses the alpha channel |
776 | // as blend factor, and doesn't allow us to set the alpha channel |
776 | // as blend factor, and doesn't allow us to set the alpha channel |
777 | c.color.red = c.color.red * alpha / 0xffff; |
777 | c.color.red = c.color.red * alpha / 0xffff; |
778 | c.color.green = c.color.green * alpha / 0xffff; |
778 | c.color.green = c.color.green * alpha / 0xffff; |
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792 | d.red = color.r; |
792 | d.red = color.r; |
793 | d.green = color.g; |
793 | d.green = color.g; |
794 | d.blue = color.b; |
794 | d.blue = color.b; |
795 | d.alpha = alpha; |
795 | d.alpha = alpha; |
796 | |
796 | |
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797 | // XftColorAlloc always returns 100% transparent pixels(!) |
797 | if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c)) |
798 | if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c)) |
798 | return true; |
799 | return true; |
799 | } |
800 | } |
800 | #else |
801 | #else |
801 | c.red = color.r; |
802 | c.red = color.r; |
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812 | } |
813 | } |
813 | else if (XAllocColor (screen->dpy, screen->cmap, &c)) |
814 | else if (XAllocColor (screen->dpy, screen->cmap, &c)) |
814 | return true; |
815 | return true; |
815 | #endif |
816 | #endif |
816 | |
817 | |
817 | c.pixel = (color.r + color.g + color.b) > 128*3 |
818 | c.pixel = (color.r * 2 + color.g * 3 + color.b) >= 0x8000 * 6 |
818 | ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) |
819 | ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) |
819 | : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); |
820 | : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); |
820 | |
821 | |
821 | return false; |
822 | return false; |
822 | } |
823 | } |
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880 | |
881 | |
881 | // many kilobytes transfer per colour, but pseudocolor isn't worth |
882 | // many kilobytes transfer per colour, but pseudocolor isn't worth |
882 | // many extra optimisations. |
883 | // many extra optimisations. |
883 | XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); |
884 | XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); |
884 | |
885 | |
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886 | while (cmap_size) |
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887 | { |
885 | int diff = 0x7fffffffUL; |
888 | int diff = 0x7fffffffL; |
886 | XColor *best = colors; |
889 | XColor *best = colors; |
887 | |
890 | |
888 | for (int i = 0; i < cmap_size; i++) |
891 | for (int i = 0; i < cmap_size; i++) |
889 | { |
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890 | int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2)) |
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891 | + (squared_diff<int> (color.g >> 2, colors [i].green >> 2)) |
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892 | + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2)); |
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893 | |
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894 | if (d < diff) |
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|
895 | { |
892 | { |
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893 | // simple weighted rgb distance sucks, but keeps it simple |
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894 | int d = abs (color.r - colors [i].red ) * 2 |
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895 | + abs (color.g - colors [i].green) * 3 |
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896 | + abs (color.b - colors [i].blue ); |
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897 | |
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898 | if (d < diff) |
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899 | { |
896 | diff = d; |
900 | diff = d; |
897 | best = colors + i; |
901 | best = colors + i; |
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|
902 | } |
898 | } |
903 | } |
899 | } |
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|
900 | |
904 | |
901 | //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", |
905 | //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d,%d)\n", |
902 | // color.r, color.g, color.b, best->red, best->green, best->blue, diff); |
906 | // color.r, color.g, color.b, best->red, best->green, best->blue, diff, best - colors); |
903 | |
907 | |
904 | got = alloc (screen, rgba (best->red, best->green, best->blue)); |
908 | got = alloc (screen, rgba (best->red, best->green, best->blue)); |
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909 | |
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910 | if (got) |
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911 | break; |
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912 | |
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913 | *best = colors [--cmap_size]; |
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|
914 | } |
905 | |
915 | |
906 | delete [] colors; |
916 | delete [] colors; |
907 | } |
917 | } |
908 | #endif |
918 | #endif |
909 | |
919 | |
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912 | |
922 | |
913 | void |
923 | void |
914 | rxvt_color::get (rgba &color) const |
924 | rxvt_color::get (rgba &color) const |
915 | { |
925 | { |
916 | #if XFT |
926 | #if XFT |
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|
927 | |
917 | color.r = c.color.red; |
928 | color.r = c.color.red; |
918 | color.g = c.color.green; |
929 | color.g = c.color.green; |
919 | color.b = c.color.blue; |
930 | color.b = c.color.blue; |
920 | color.a = c.color.alpha; |
931 | color.a = c.color.alpha; |
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932 | |
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933 | if (IN_RANGE_INC (color.a, 0x0001, 0xfffe)) |
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|
934 | { |
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935 | color.r = color.r * 0xffff / color.a; |
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936 | color.g = color.g * 0xffff / color.a; |
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937 | color.b = color.b * 0xffff / color.a; |
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|
938 | } |
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939 | |
921 | #else |
940 | #else |
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|
941 | |
922 | color.r = c.red; |
942 | color.r = c.red; |
923 | color.g = c.green; |
943 | color.g = c.green; |
924 | color.b = c.blue; |
944 | color.b = c.blue; |
925 | color.a = rgba::MAX_CC; |
945 | color.a = rgba::MAX_CC; |
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|
946 | |
926 | #endif |
947 | #endif |
927 | } |
948 | } |
928 | |
949 | |
929 | void |
950 | void |
930 | rxvt_color::get (XColor &color) const |
951 | rxvt_color::get (XColor &color) const |