de/colour.c

   1 /*
   2  * ion/de/colour.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2005.
   5  *
   6  * Ion is free software; you can redistribute it and/or modify it under
   7  * the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  */
  11
  12 #include <ioncore/common.h>
  13 #include "colour.h"
  14
  15
  16 bool de_alloc_colour(WRootWin *rootwin, DEColour *ret, const char *name)
  17 {
  18     XColor c;
  19     bool ok=FALSE;
  20
  21     if(name==NULL)
  22         return FALSE;
  23
  24     if(XParseColor(ioncore_g.dpy, rootwin->default_cmap, name, &c)){
  25         ok=XAllocColor(ioncore_g.dpy, rootwin->default_cmap, &c);
  26         if(ok)
  27             *ret=c.pixel;
  28     }
  29
  30     return ok;
  31 }
  32
  33
  34 bool de_duplicate_colour(WRootWin *rootwin, DEColour in, DEColour *out)
  35 {
  36     XColor c;
  37     c.pixel=in;
  38     XQueryColor(ioncore_g.dpy, rootwin->default_cmap, &c);
  39     if(XAllocColor(ioncore_g.dpy, rootwin->default_cmap, &c)){
  40         *out=c.pixel;
  41         return TRUE;
  42     }
  43     return FALSE;
  44 }
  45
  46
  47 void de_free_colour_group(WRootWin *rootwin, DEColourGroup *cg)
  48 {
  49     DEColour pixels[5];
  50
  51     pixels[0]=cg->bg;
  52     pixels[1]=cg->fg;
  53     pixels[2]=cg->hl;
  54     pixels[3]=cg->sh;
  55     pixels[4]=cg->pad;
  56
  57     XFreeColors(ioncore_g.dpy, rootwin->default_cmap, pixels, 5, 0);
  58
  59     if(cg->spec!=NULL){
  60         free(cg->spec);
  61         cg->spec=NULL;
  62     }
  63 }
  64
  65
  66 void de_free_colour(WRootWin *rootwin, DEColour col)
  67 {
  68     DEColour pixels[1];
  69
  70     pixels[0]=col;
  71
  72     XFreeColors(ioncore_g.dpy, rootwin->default_cmap, pixels, 1, 0);
  73 }
  74