add Color enum with color constants; close #275

src/dlangui/graphics/colors.d

@@ -29,10 +29,157 @@ immutable uint COLOR_TRANSPARENT = 0xFFFFFFFF;
 
 immutable string COLOR_DRAWABLE = "#color";
 
+/// Color constants enum, contributed by zhaopuming
+/// refer to http://rapidtables.com/web/color/RGB_Color.htm#color%20table
+/// #275
+enum Color {
+    maroon = 0x800000,
+    dark_red = 0x8B0000,
+    brown = 0xA52A2A,
+    firebrick = 0xB22222,
+    crimson = 0xDC143C,
+    red = 0xFF0000,
+    tomato = 0xFF6347,
+    coral = 0xFF7F50,
+    indian_red = 0xCD5C5C,
+    light_coral = 0xF08080,
+    dark_salmon = 0xE9967A,
+    salmon = 0xFA8072,
+    light_salmon = 0xFFA07A,
+    orange_red = 0xFF4500,
+    dark_orange = 0xFF8C00,
+    orange = 0xFFA500,
+    gold = 0xFFD700,
+    dark_golden_rod = 0xB8860B,
+    golden_rod = 0xDAA520,
+    pale_golden_rod = 0xEEE8AA,
+    dark_khaki = 0xBDB76B,
+    khaki = 0xF0E68C,
+    olive = 0x808000,
+    yellow = 0xFFFF00,
+    yellow_green = 0x9ACD32,
+    dark_olive_green = 0x556B2F,
+    olive_drab = 0x6B8E23,
+    lawn_green = 0x7CFC00,
+    chart_reuse = 0x7FFF00,
+    green_yellow = 0xADFF2F,
+    dark_green = 0x006400,
+    green = 0x008000,
+    forest_green = 0x228B22,
+    lime = 0x00FF00,
+    lime_green = 0x32CD32,
+    light_green = 0x90EE90,
+    pale_green = 0x98FB98,
+    dark_sea_green = 0x8FBC8F,
+    medium_spring_green = 0x00FA9A,
+    spring_green = 0x00FF7F,
+    sea_green = 0x2E8B57,
+    medium_aqua_marine = 0x66CDAA,
+    medium_sea_green = 0x3CB371,
+    light_sea_green = 0x20B2AA,
+    dark_slate_gray = 0x2F4F4F,
+    teal = 0x008080,
+    dark_cyan = 0x008B8B,
+    aqua = 0x00FFFF,
+    cyan = 0x00FFFF,
+    light_cyan = 0xE0FFFF,
+    dark_turquoise = 0x00CED1,
+    turquoise = 0x40E0D0,
+    medium_turquoise = 0x48D1CC,
+    pale_turquoise = 0xAFEEEE,
+    aqua_marine = 0x7FFFD4,
+    powder_blue = 0xB0E0E6,
+    cadet_blue = 0x5F9EA0,
+    steel_blue = 0x4682B4,
+    corn_flower_blue = 0x6495ED,
+    deep_sky_blue = 0x00BFFF,
+    dodger_blue = 0x1E90FF,
+    light_blue = 0xADD8E6,
+    sky_blue = 0x87CEEB,
+    light_sky_blue = 0x87CEFA,
+    midnight_blue = 0x191970,
+    navy = 0x000080,
+    dark_blue = 0x00008B,
+    medium_blue = 0x0000CD,
+    blue = 0x0000FF,
+    royal_blue = 0x4169E1,
+    blue_violet = 0x8A2BE2,
+    indigo = 0x4B0082,
+    dark_slate_blue = 0x483D8B,
+    slate_blue = 0x6A5ACD,
+    medium_slate_blue = 0x7B68EE,
+    medium_purple = 0x9370DB,
+    dark_magenta = 0x8B008B,
+    dark_violet = 0x9400D3,
+    dark_orchid = 0x9932CC,
+    medium_orchid = 0xBA55D3,
+    purple = 0x800080,
+    thistle = 0xD8BFD8,
+    plum = 0xDDA0DD,
+    violet = 0xEE82EE,
+    magenta = 0xFF00FF,
+    fuchsia = 0xFF00FF,
+    orchid = 0xDA70D6,
+    medium_violet_red = 0xC71585,
+    pale_violet_red = 0xDB7093,
+    deep_pink = 0xFF1493,
+    hot_pink = 0xFF69B4,
+    light_pink = 0xFFB6C1,
+    pink = 0xFFC0CB,
+    antique_white = 0xFAEBD7,
+    beige = 0xF5F5DC,
+    bisque = 0xFFE4C4,
+    blanched_almond = 0xFFEBCD,
+    wheat = 0xF5DEB3,
+    corn_silk = 0xFFF8DC,
+    lemon_chiffon = 0xFFFACD,
+    light_golden_rod_yellow = 0xFAFAD2,
+    light_yellow = 0xFFFFE0,
+    saddle_brown = 0x8B4513,
+    sienna = 0xA0522D,
+    chocolate = 0xD2691E,
+    peru = 0xCD853F,
+    sandy_brown = 0xF4A460,
+    burly_wood = 0xDEB887,
+    tan = 0xD2B48C,
+    rosy_brown = 0xBC8F8F,
+    moccasin = 0xFFE4B5,
+    navajo_white = 0xFFDEAD,
+    peach_puff = 0xFFDAB9,
+    misty_rose = 0xFFE4E1,
+    lavender_blush = 0xFFF0F5,
+    linen = 0xFAF0E6,
+    old_lace = 0xFDF5E6,
+    papaya_whip = 0xFFEFD5,
+    sea_shell = 0xFFF5EE,
+    mint_cream = 0xF5FFFA,
+    slate_gray = 0x708090,
+    light_slate_gray = 0x778899,
+    light_steel_blue = 0xB0C4DE,
+    lavender = 0xE6E6FA,
+    floral_white = 0xFFFAF0,
+    alice_blue = 0xF0F8FF,
+    ghost_white = 0xF8F8FF,
+    honeydew = 0xF0FFF0,
+    ivory = 0xFFFFF0,
+    azure = 0xF0FFFF,
+    snow = 0xFFFAFA,
+    black = 0x000000,
+    dim_gray = 0x696969,
+    gray = 0x808080,
+    dark_gray = 0xA9A9A9,
+    silver = 0xC0C0C0,
+    light_gray = 0xD3D3D3,
+    gainsboro = 0xDCDCDC,
+    white_smoke = 0xF5F5F5,
+    white = 0xFFFFFF,
+
+}
 
 immutable uint COLOR_TRANSFORM_OFFSET_NONE = 0x80808080;
 immutable uint COLOR_TRANSFORM_MULTIPLY_NONE = 0x40404040;
 
+
 uint makeRGBA(T)(T r, T g, T b, T a) pure nothrow {
     return (cast(uint)a << 24)|(cast(uint)r << 16)|(cast(uint)g << 8)|(cast(uint)b);
 }