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6 | * Copyright (c) 2003-2011 Marc Lehmann <schmorp@schmorp.de> |
6 | * Copyright (c) 2003-2011 Marc Lehmann <schmorp@schmorp.de> |
7 | * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it> |
7 | * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it> |
8 | * |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 2 of the License, or |
11 | * the Free Software Foundation; either version 3 of the License, or |
12 | * (at your option) any later version. |
12 | * (at your option) any later version. |
13 | * |
13 | * |
14 | * This program is distributed in the hope that it will be useful, |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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22 | *----------------------------------------------------------------------*/ |
22 | *----------------------------------------------------------------------*/ |
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> |
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27 | |
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28 | #include <stdlib.h> |
27 | |
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> |
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66 | #endif |
68 | #endif |
67 | #if USE_XIM |
69 | #if USE_XIM |
68 | "WM_LOCALE_NAME", |
70 | "WM_LOCALE_NAME", |
69 | "XIM_SERVERS", |
71 | "XIM_SERVERS", |
70 | #endif |
72 | #endif |
71 | #if ENABLE_TRANSPARENCY |
73 | #if HAVE_IMG || ENABLE_PERL |
72 | "_XROOTPMAP_ID", |
74 | "_XROOTPMAP_ID", |
73 | "ESETROOT_PMAP_ID", |
75 | "ESETROOT_PMAP_ID", |
74 | #endif |
76 | #endif |
75 | #if ENABLE_XEMBED |
77 | #if ENABLE_XEMBED |
76 | "_XEMBED", |
78 | "_XEMBED", |
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260 | depth = DefaultDepthOfScreen (screen); |
262 | depth = DefaultDepthOfScreen (screen); |
261 | visual = DefaultVisualOfScreen (screen); |
263 | visual = DefaultVisualOfScreen (screen); |
262 | cmap = DefaultColormapOfScreen (screen); |
264 | cmap = DefaultColormapOfScreen (screen); |
263 | } |
265 | } |
264 | |
266 | |
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267 | #if ENABLE_FRILLS |
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268 | |
265 | void |
269 | void |
266 | rxvt_screen::select_visual (int bitdepth) |
270 | rxvt_screen::select_visual (int id) |
267 | { |
271 | { |
268 | #if XFT |
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269 | XVisualInfo vinfo; |
272 | XVisualInfo vinfo; |
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273 | vinfo.visualid = id; |
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274 | int n; |
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275 | |
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276 | if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n)) |
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277 | { |
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278 | depth = vi->depth; |
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279 | visual = vi->visual; |
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280 | |
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281 | XFree (vi); |
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282 | |
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283 | cmap = XCreateColormap (dpy, display->root, visual, AllocNone); |
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284 | } |
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285 | else |
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286 | rxvt_warn ("no visual found for requested id 0x%02x, using default visual.\n", id); |
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287 | } |
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288 | |
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289 | void |
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290 | rxvt_screen::select_depth (int bitdepth) |
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291 | { |
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292 | XVisualInfo vinfo; |
270 | |
293 | |
271 | if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo)) |
294 | if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo)) |
272 | { |
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273 | depth = bitdepth; |
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274 | visual = vinfo.visual; |
295 | select_visual (vinfo.visualid); |
275 | cmap = XCreateColormap (dpy, display->root, visual, AllocNone); |
296 | else |
276 | } |
297 | rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth); |
277 | #endif |
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278 | } |
298 | } |
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299 | |
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300 | #endif |
279 | |
301 | |
280 | void |
302 | void |
281 | rxvt_screen::clear () |
303 | rxvt_screen::clear () |
282 | { |
304 | { |
283 | #if XFT |
305 | #if XFT |
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470 | |
492 | |
471 | flags = 0; |
493 | flags = 0; |
472 | #if XRENDER |
494 | #if XRENDER |
473 | int major, minor; |
495 | int major, minor; |
474 | if (XRenderQueryVersion (dpy, &major, &minor)) |
496 | if (XRenderQueryVersion (dpy, &major, &minor)) |
475 | { |
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476 | flags |= DISPLAY_HAS_RENDER; |
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477 | |
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478 | if (major > 0 || (major == 0 && minor >= 10)) |
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479 | flags |= DISPLAY_HAS_RENDER_10; |
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480 | |
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481 | if (major > 0 || (major == 0 && minor >= 11)) |
497 | if (major > 0 || (major == 0 && minor >= 11)) |
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498 | { |
482 | flags |= DISPLAY_HAS_RENDER_MUL; |
499 | flags |= DISPLAY_HAS_RENDER; |
483 | |
500 | |
484 | XFilters *filters = XRenderQueryFilters (dpy, root); |
501 | if (XFilters *filters = XRenderQueryFilters (dpy, root)) |
485 | if (filters) |
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486 | { |
502 | { |
487 | for (int i = 0; i < filters->nfilter; i++) |
503 | for (int i = 0; i < filters->nfilter; i++) |
488 | if (!strcmp (filters->filter[i], FilterConvolution)) |
504 | if (!strcmp (filters->filter [i], FilterConvolution)) |
489 | flags |= DISPLAY_HAS_RENDER_CONV; |
505 | flags |= DISPLAY_HAS_RENDER_CONV; |
490 | |
506 | |
491 | XFree (filters); |
507 | XFree (filters); |
492 | } |
508 | } |
493 | } |
509 | } |
494 | #endif |
510 | #endif |
495 | |
511 | |
496 | int fd = XConnectionNumber (dpy); |
512 | int fd = XConnectionNumber (dpy); |
497 | |
513 | |
498 | // try to detect whether we have a local connection. |
514 | // try to detect whether we have a local connection. |
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739 | unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a; |
755 | unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a; |
740 | |
756 | |
741 | #if XFT |
757 | #if XFT |
742 | XRenderPictFormat *format; |
758 | XRenderPictFormat *format; |
743 | |
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 | |
744 | // FUCKING Xft gets it wrong, of course, so work around it. |
767 | // FUCKING Xft gets it wrong, of course, so work around it. |
745 | // Transparency users should eat shit and die, and then |
768 | // Transparency users should eat shit and die, and then |
746 | // XRenderQueryPictIndexValues themselves plenty. |
769 | // XRenderQueryPictIndexValues themselves plenty. |
747 | if ((screen->visual->c_class == TrueColor) |
770 | if ((screen->visual->c_class == TrueColor) |
748 | && (format = XRenderFindVisualFormat (screen->dpy, screen->visual))) |
771 | && (format = XRenderFindVisualFormat (screen->dpy, screen->visual))) |
749 | { |
772 | { |
750 | // the fun lies in doing everything manually... |
773 | // the fun lies in doing everything manually... |
751 | c.color.red = color.r; |
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752 | c.color.green = color.g; |
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753 | c.color.blue = color.b; |
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754 | c.color.alpha = alpha; |
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755 | |
774 | |
756 | // Xft wants premultiplied alpha, but abuses the alpha channel |
775 | // Xft wants premultiplied alpha, but abuses the alpha channel |
757 | // 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 |
758 | c.color.red = c.color.red * alpha / 0xffff; |
777 | c.color.red = c.color.red * alpha / 0xffff; |
759 | c.color.green = c.color.green * alpha / 0xffff; |
778 | c.color.green = c.color.green * alpha / 0xffff; |
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… | |
773 | d.red = color.r; |
792 | d.red = color.r; |
774 | d.green = color.g; |
793 | d.green = color.g; |
775 | d.blue = color.b; |
794 | d.blue = color.b; |
776 | d.alpha = alpha; |
795 | d.alpha = alpha; |
777 | |
796 | |
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797 | // XftColorAlloc always returns 100% transparent pixels(!) |
778 | if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c)) |
798 | if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c)) |
779 | return true; |
799 | return true; |
780 | } |
800 | } |
781 | #else |
801 | #else |
782 | c.red = color.r; |
802 | c.red = color.r; |
… | |
… | |
793 | } |
813 | } |
794 | else if (XAllocColor (screen->dpy, screen->cmap, &c)) |
814 | else if (XAllocColor (screen->dpy, screen->cmap, &c)) |
795 | return true; |
815 | return true; |
796 | #endif |
816 | #endif |
797 | |
817 | |
798 | c.pixel = (color.r + color.g + color.b) > 128*3 |
818 | c.pixel = (color.r * 2 + color.g * 3 + color.b) >= 0x8000 * 6 |
799 | ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) |
819 | ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy)) |
800 | : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); |
820 | : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy)); |
801 | |
821 | |
802 | return false; |
822 | return false; |
803 | } |
823 | } |
… | |
… | |
861 | |
881 | |
862 | // many kilobytes transfer per colour, but pseudocolor isn't worth |
882 | // many kilobytes transfer per colour, but pseudocolor isn't worth |
863 | // many extra optimisations. |
883 | // many extra optimisations. |
864 | XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); |
884 | XQueryColors (screen->dpy, screen->cmap, colors, cmap_size); |
865 | |
885 | |
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886 | while (cmap_size) |
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887 | { |
866 | int diff = 0x7fffffffUL; |
888 | int diff = 0x7fffffffL; |
867 | XColor *best = colors; |
889 | XColor *best = colors; |
868 | |
890 | |
869 | for (int i = 0; i < cmap_size; i++) |
891 | for (int i = 0; i < cmap_size; i++) |
870 | { |
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871 | int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2)) |
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872 | + (squared_diff<int> (color.g >> 2, colors [i].green >> 2)) |
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873 | + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2)); |
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874 | |
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875 | if (d < diff) |
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876 | { |
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 | { |
877 | diff = d; |
900 | diff = d; |
878 | best = colors + i; |
901 | best = colors + i; |
|
|
902 | } |
879 | } |
903 | } |
880 | } |
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881 | |
904 | |
882 | //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", |
883 | // 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); |
884 | |
907 | |
885 | 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 | } |
886 | |
915 | |
887 | delete [] colors; |
916 | delete [] colors; |
888 | } |
917 | } |
889 | #endif |
918 | #endif |
890 | |
919 | |
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893 | |
922 | |
894 | void |
923 | void |
895 | rxvt_color::get (rgba &color) const |
924 | rxvt_color::get (rgba &color) const |
896 | { |
925 | { |
897 | #if XFT |
926 | #if XFT |
|
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927 | //TODO premultiplied alpha?? |
898 | color.r = c.color.red; |
928 | color.r = c.color.red; |
899 | color.g = c.color.green; |
929 | color.g = c.color.green; |
900 | color.b = c.color.blue; |
930 | color.b = c.color.blue; |
901 | color.a = c.color.alpha; |
931 | color.a = c.color.alpha; |
902 | #else |
932 | #else |