addColorKeywordHex static method
Add hex color (string or int) to the colorKeywords[] map that is used for dynamic lookup of colors by name.
Implementation
static void addColorKeywordHex(String colorname, dynamic hex) {
var rgb = hex2rgb(hex);
int colorInt = 0xff000000 |
((rgb[0].toInt() & 0xff) << 16) |
((rgb[1].toInt() & 0xff) << 8) |
(rgb[2].toInt() & 0xff);
colorKeywords[colorname.toLowerCase().replaceAll(' ', '')] = colorInt;
}