color.h

   1 /*
   2  * color.h - color functions header
   3  *
   4  * Copyright © 2008-2009 Julien Danjou <julien@danjou.info>
   5  * Copyright © 2009 Uli Schlachter <psychon@znc.in>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #ifndef AWESOME_COLOR_H
  24 #define AWESOME_COLOR_H
  25
  26 #include <xcb/xcb.h>
  27 #include <stdbool.h>
  28
  29 typedef struct
  30 {
  31     uint8_t red;
  32     uint8_t green;
  33     uint8_t blue;
  34     uint8_t alpha;
  35     bool initialized;
  36 } color_t;
  37
  38 typedef struct
  39 {
  40     color_t *color;
  41     const char *colstr;
  42     xcb_alloc_named_color_cookie_t cookie;
  43     bool has_error;
  44 } color_init_cookie_t;
  45
  46 typedef struct
  47 {
  48     uint32_t pixel;
  49     uint16_t red;
  50     uint16_t green;
  51     uint16_t blue;
  52     uint16_t alpha;
  53     bool initialized;
  54 } xcolor_t;
  55
  56 typedef struct
  57 {
  58     union
  59     {
  60         xcb_alloc_color_cookie_t cookie_hexa;
  61         xcb_alloc_named_color_cookie_t cookie_named;
  62     };
  63
  64     uint16_t alpha;
  65     xcolor_t *color;
  66     bool is_hexa, has_error;
  67     const char *colstr;
  68 } xcolor_init_request_t;
  69
  70 color_init_cookie_t color_init_unchecked(color_t *, const char *, ssize_t);
  71 bool color_init_reply(color_init_cookie_t);
  72
  73 xcolor_init_request_t xcolor_init_unchecked(xcolor_t *, const char *, ssize_t);
  74 bool xcolor_init_reply(xcolor_init_request_t);
  75
  76 bool xcolor_to_color(const xcolor_t *, color_t *);
  77
  78 #endif
  79
  80 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80