2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
14 * Returns the colorpixel to use for the given hex color (think of HTML). Only
15 * works for true-color (vast majority of cases) at the moment, avoiding a
18 * The hex_color has to start with #, for example #FF00FF.
20 * NOTE that get_colorpixel() does _NOT_ check the given color code for validity.
21 * This has to be done by the caller.
23 * NOTE that this function may in the future rely on a global xcb_connection_t
24 * variable called 'conn' to be present.
27 uint32_t get_colorpixel(const char *hex) {
28 char strgroups[3][3] = {{hex[1], hex[2], '\0'},
29 {hex[3], hex[4], '\0'},
30 {hex[5], hex[6], '\0'}};
31 uint8_t r = strtol(strgroups[0], NULL, 16);
32 uint8_t g = strtol(strgroups[1], NULL, 16);
33 uint8_t b = strtol(strgroups[2], NULL, 16);
35 /* We set the first 8 bits high to have 100% opacity in case of a 32 bit
36 * color depth visual. */
37 return (0xFF << 24) | (r << 16 | g << 8 | b);