de/colour.c

   1 /*
   2  * ion/de/colour.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <ioncore/common.h>
  10 #include "colour.h"
  11
  12
  13 bool de_alloc_colour(WRootWin *rootwin, DEColour *ret, const char *name)
  14 {
  15     XColor c;
  16     bool ok=FALSE;
  17
  18     if(name==NULL)
  19         return FALSE;
  20
  21     if(XParseColor(ioncore_g.dpy, rootwin->default_cmap, name, &c)){
  22         ok=XAllocColor(ioncore_g.dpy, rootwin->default_cmap, &c);
  23         if(ok)
  24             *ret=c.pixel;
  25     }
  26
  27     return ok;
  28 }
  29
  30
  31 bool de_duplicate_colour(WRootWin *rootwin, DEColour in, DEColour *out)
  32 {
  33     XColor c;
  34     c.pixel=in;
  35     XQueryColor(ioncore_g.dpy, rootwin->default_cmap, &c);
  36     if(XAllocColor(ioncore_g.dpy, rootwin->default_cmap, &c)){
  37         *out=c.pixel;
  38         return TRUE;
  39     }
  40     return FALSE;
  41 }
  42
  43
  44 void de_free_colour_group(WRootWin *rootwin, DEColourGroup *cg)
  45 {
  46     DEColour pixels[5];
  47
  48     pixels[0]=cg->bg;
  49     pixels[1]=cg->fg;
  50     pixels[2]=cg->hl;
  51     pixels[3]=cg->sh;
  52     pixels[4]=cg->pad;
  53
  54     XFreeColors(ioncore_g.dpy, rootwin->default_cmap, pixels, 5, 0);
  55
  56     gr_stylespec_unalloc(&cg->spec);
  57 }
  58
  59
  60 void de_free_colour(WRootWin *rootwin, DEColour col)
  61 {
  62     DEColour pixels[1];
  63
  64     pixels[0]=col;
  65
  66     XFreeColors(ioncore_g.dpy, rootwin->default_cmap, pixels, 1, 0);
  67 }
  68