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Diffstat (limited to 'vendor/github.com/gdamore/tcell/color.go')
| -rw-r--r-- | vendor/github.com/gdamore/tcell/color.go | 1019 |
1 files changed, 1019 insertions, 0 deletions
diff --git a/vendor/github.com/gdamore/tcell/color.go b/vendor/github.com/gdamore/tcell/color.go new file mode 100644 index 0000000..2e096c7 --- /dev/null +++ b/vendor/github.com/gdamore/tcell/color.go @@ -0,0 +1,1019 @@ +// Copyright 2015 The TCell Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use file except in compliance with the License. +// You may obtain a copy of the license at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package tcell + +import "strconv" + +// Color represents a color. The low numeric values are the same as used +// by ECMA-48, and beyond that XTerm. A 24-bit RGB value may be used by +// adding in the ColorIsRGB flag. For Color names we use the W3C approved +// color names. +// +// Note that on various terminals colors may be approximated however, or +// not supported at all. If no suitable representation for a color is known, +// the library will simply not set any color, deferring to whatever default +// attributes the terminal uses. +type Color int32 + +const ( + // ColorDefault is used to leave the Color unchanged from whatever + // system or teminal default may exist. + ColorDefault Color = -1 + + // ColorIsRGB is used to indicate that the numeric value is not + // a known color constant, but rather an RGB value. The lower + // order 3 bytes are RGB. + ColorIsRGB Color = 1 << 24 +) + +// Note that the order of these options is important -- it follows the +// definitions used by ECMA and XTerm. Hence any further named colors +// must begin at a value not less than 256. +const ( + ColorBlack Color = iota + ColorMaroon + ColorGreen + ColorOlive + ColorNavy + ColorPurple + ColorTeal + ColorSilver + ColorGray + ColorRed + ColorLime + ColorYellow + ColorBlue + ColorFuchsia + ColorAqua + ColorWhite + Color16 + Color17 + Color18 + Color19 + Color20 + Color21 + Color22 + Color23 + Color24 + Color25 + Color26 + Color27 + Color28 + Color29 + Color30 + Color31 + Color32 + Color33 + Color34 + Color35 + Color36 + Color37 + Color38 + Color39 + Color40 + Color41 + Color42 + Color43 + Color44 + Color45 + Color46 + Color47 + Color48 + Color49 + Color50 + Color51 + Color52 + Color53 + Color54 + Color55 + Color56 + Color57 + Color58 + Color59 + Color60 + Color61 + Color62 + Color63 + Color64 + Color65 + Color66 + Color67 + Color68 + Color69 + Color70 + Color71 + Color72 + Color73 + Color74 + Color75 + Color76 + Color77 + Color78 + Color79 + Color80 + Color81 + Color82 + Color83 + Color84 + Color85 + Color86 + Color87 + Color88 + Color89 + Color90 + Color91 + Color92 + Color93 + Color94 + Color95 + Color96 + Color97 + Color98 + Color99 + Color100 + Color101 + Color102 + Color103 + Color104 + Color105 + Color106 + Color107 + Color108 + Color109 + Color110 + Color111 + Color112 + Color113 + Color114 + Color115 + Color116 + Color117 + Color118 + Color119 + Color120 + Color121 + Color122 + Color123 + Color124 + Color125 + Color126 + Color127 + Color128 + Color129 + Color130 + Color131 + Color132 + Color133 + Color134 + Color135 + Color136 + Color137 + Color138 + Color139 + Color140 + Color141 + Color142 + Color143 + Color144 + Color145 + Color146 + Color147 + Color148 + Color149 + Color150 + Color151 + Color152 + Color153 + Color154 + Color155 + Color156 + Color157 + Color158 + Color159 + Color160 + Color161 + Color162 + Color163 + Color164 + Color165 + Color166 + Color167 + Color168 + Color169 + Color170 + Color171 + Color172 + Color173 + Color174 + Color175 + Color176 + Color177 + Color178 + Color179 + Color180 + Color181 + Color182 + Color183 + Color184 + Color185 + Color186 + Color187 + Color188 + Color189 + Color190 + Color191 + Color192 + Color193 + Color194 + Color195 + Color196 + Color197 + Color198 + Color199 + Color200 + Color201 + Color202 + Color203 + Color204 + Color205 + Color206 + Color207 + Color208 + Color209 + Color210 + Color211 + Color212 + Color213 + Color214 + Color215 + Color216 + Color217 + Color218 + Color219 + Color220 + Color221 + Color222 + Color223 + Color224 + Color225 + Color226 + Color227 + Color228 + Color229 + Color230 + Color231 + Color232 + Color233 + Color234 + Color235 + Color236 + Color237 + Color238 + Color239 + Color240 + Color241 + Color242 + Color243 + Color244 + Color245 + Color246 + Color247 + Color248 + Color249 + Color250 + Color251 + Color252 + Color253 + Color254 + Color255 + ColorAliceBlue + ColorAntiqueWhite + ColorAquaMarine + ColorAzure + ColorBeige + ColorBisque + ColorBlanchedAlmond + ColorBlueViolet + ColorBrown + ColorBurlyWood + ColorCadetBlue + ColorChartreuse + ColorChocolate + ColorCoral + ColorCornflowerBlue + ColorCornsilk + ColorCrimson + ColorDarkBlue + ColorDarkCyan + ColorDarkGoldenrod + ColorDarkGray + ColorDarkGreen + ColorDarkKhaki + ColorDarkMagenta + ColorDarkOliveGreen + ColorDarkOrange + ColorDarkOrchid + ColorDarkRed + ColorDarkSalmon + ColorDarkSeaGreen + ColorDarkSlateBlue + ColorDarkSlateGray + ColorDarkTurquoise + ColorDarkViolet + ColorDeepPink + ColorDeepSkyBlue + ColorDimGray + ColorDodgerBlue + ColorFireBrick + ColorFloralWhite + ColorForestGreen + ColorGainsboro + ColorGhostWhite + ColorGold + ColorGoldenrod + ColorGreenYellow + ColorHoneydew + ColorHotPink + ColorIndianRed + ColorIndigo + ColorIvory + ColorKhaki + ColorLavender + ColorLavenderBlush + ColorLawnGreen + ColorLemonChiffon + ColorLightBlue + ColorLightCoral + ColorLightCyan + ColorLightGoldenrodYellow + ColorLightGray + ColorLightGreen + ColorLightPink + ColorLightSalmon + ColorLightSeaGreen + ColorLightSkyBlue + ColorLightSlateGray + ColorLightSteelBlue + ColorLightYellow + ColorLimeGreen + ColorLinen + ColorMediumAquamarine + ColorMediumBlue + ColorMediumOrchid + ColorMediumPurple + ColorMediumSeaGreen + ColorMediumSlateBlue + ColorMediumSpringGreen + ColorMediumTurquoise + ColorMediumVioletRed + ColorMidnightBlue + ColorMintCream + ColorMistyRose + ColorMoccasin + ColorNavajoWhite + ColorOldLace + ColorOliveDrab + ColorOrange + ColorOrangeRed + ColorOrchid + ColorPaleGoldenrod + ColorPaleGreen + ColorPaleTurquoise + ColorPaleVioletRed + ColorPapayaWhip + ColorPeachPuff + ColorPeru + ColorPink + ColorPlum + ColorPowderBlue + ColorRebeccaPurple + ColorRosyBrown + ColorRoyalBlue + ColorSaddleBrown + ColorSalmon + ColorSandyBrown + ColorSeaGreen + ColorSeashell + ColorSienna + ColorSkyblue + ColorSlateBlue + ColorSlateGray + ColorSnow + ColorSpringGreen + ColorSteelBlue + ColorTan + ColorThistle + ColorTomato + ColorTurquoise + ColorViolet + ColorWheat + ColorWhiteSmoke + ColorYellowGreen +) + +// These are aliases for the color gray, because some of us spell +// it as grey. +const ( + ColorGrey = ColorGray + ColorDimGrey = ColorDimGray + ColorDarkGrey = ColorDarkGray + ColorDarkSlateGrey = ColorDarkSlateGray + ColorLightGrey = ColorLightGray + ColorLightSlateGrey = ColorLightSlateGray + ColorSlateGrey = ColorSlateGray +) + +// ColorValues maps color constants to their RGB values. +var ColorValues = map[Color]int32{ + ColorBlack: 0x000000, + ColorMaroon: 0x800000, + ColorGreen: 0x008000, + ColorOlive: 0x808000, + ColorNavy: 0x000080, + ColorPurple: 0x800080, + ColorTeal: 0x008080, + ColorSilver: 0xC0C0C0, + ColorGray: 0x808080, + ColorRed: 0xFF0000, + ColorLime: 0x00FF00, + ColorYellow: 0xFFFF00, + ColorBlue: 0x0000FF, + ColorFuchsia: 0xFF00FF, + ColorAqua: 0x00FFFF, + ColorWhite: 0xFFFFFF, + Color16: 0x000000, // black + Color17: 0x00005F, + Color18: 0x000087, + Color19: 0x0000AF, + Color20: 0x0000D7, + Color21: 0x0000FF, // blue + Color22: 0x005F00, + Color23: 0x005F5F, + Color24: 0x005F87, + Color25: 0x005FAF, + Color26: 0x005FD7, + Color27: 0x005FFF, + Color28: 0x008700, + Color29: 0x00875F, + Color30: 0x008787, + Color31: 0x0087Af, + Color32: 0x0087D7, + Color33: 0x0087FF, + Color34: 0x00AF00, + Color35: 0x00AF5F, + Color36: 0x00AF87, + Color37: 0x00AFAF, + Color38: 0x00AFD7, + Color39: 0x00AFFF, + Color40: 0x00D700, + Color41: 0x00D75F, + Color42: 0x00D787, + Color43: 0x00D7AF, + Color44: 0x00D7D7, + Color45: 0x00D7FF, + Color46: 0x00FF00, // lime + Color47: 0x00FF5F, + Color48: 0x00FF87, + Color49: 0x00FFAF, + Color50: 0x00FFd7, + Color51: 0x00FFFF, // aqua + Color52: 0x5F0000, + Color53: 0x5F005F, + Color54: 0x5F0087, + Color55: 0x5F00AF, + Color56: 0x5F00D7, + Color57: 0x5F00FF, + Color58: 0x5F5F00, + Color59: 0x5F5F5F, + Color60: 0x5F5F87, + Color61: 0x5F5FAF, + Color62: 0x5F5FD7, + Color63: 0x5F5FFF, + Color64: 0x5F8700, + Color65: 0x5F875F, + Color66: 0x5F8787, + Color67: 0x5F87AF, + Color68: 0x5F87D7, + Color69: 0x5F87FF, + Color70: 0x5FAF00, + Color71: 0x5FAF5F, + Color72: 0x5FAF87, + Color73: 0x5FAFAF, + Color74: 0x5FAFD7, + Color75: 0x5FAFFF, + Color76: 0x5FD700, + Color77: 0x5FD75F, + Color78: 0x5FD787, + Color79: 0x5FD7AF, + Color80: 0x5FD7D7, + Color81: 0x5FD7FF, + Color82: 0x5FFF00, + Color83: 0x5FFF5F, + Color84: 0x5FFF87, + Color85: 0x5FFFAF, + Color86: 0x5FFFD7, + Color87: 0x5FFFFF, + Color88: 0x870000, + Color89: 0x87005F, + Color90: 0x870087, + Color91: 0x8700AF, + Color92: 0x8700D7, + Color93: 0x8700FF, + Color94: 0x875F00, + Color95: 0x875F5F, + Color96: 0x875F87, + Color97: 0x875FAF, + Color98: 0x875FD7, + Color99: 0x875FFF, + Color100: 0x878700, + Color101: 0x87875F, + Color102: 0x878787, + Color103: 0x8787AF, + Color104: 0x8787D7, + Color105: 0x8787FF, + Color106: 0x87AF00, + Color107: 0x87AF5F, + Color108: 0x87AF87, + Color109: 0x87AFAF, + Color110: 0x87AFD7, + Color111: 0x87AFFF, + Color112: 0x87D700, + Color113: 0x87D75F, + Color114: 0x87D787, + Color115: 0x87D7AF, + Color116: 0x87D7D7, + Color117: 0x87D7FF, + Color118: 0x87FF00, + Color119: 0x87FF5F, + Color120: 0x87FF87, + Color121: 0x87FFAF, + Color122: 0x87FFD7, + Color123: 0x87FFFF, + Color124: 0xAF0000, + Color125: 0xAF005F, + Color126: 0xAF0087, + Color127: 0xAF00AF, + Color128: 0xAF00D7, + Color129: 0xAF00FF, + Color130: 0xAF5F00, + Color131: 0xAF5F5F, + Color132: 0xAF5F87, + Color133: 0xAF5FAF, + Color134: 0xAF5FD7, + Color135: 0xAF5FFF, + Color136: 0xAF8700, + Color137: 0xAF875F, + Color138: 0xAF8787, + Color139: 0xAF87AF, + Color140: 0xAF87D7, + Color141: 0xAF87FF, + Color142: 0xAFAF00, + Color143: 0xAFAF5F, + Color144: 0xAFAF87, + Color145: 0xAFAFAF, + Color146: 0xAFAFD7, + Color147: 0xAFAFFF, + Color148: 0xAFD700, + Color149: 0xAFD75F, + Color150: 0xAFD787, + Color151: 0xAFD7AF, + Color152: 0xAFD7D7, + Color153: 0xAFD7FF, + Color154: 0xAFFF00, + Color155: 0xAFFF5F, + Color156: 0xAFFF87, + Color157: 0xAFFFAF, + Color158: 0xAFFFD7, + Color159: 0xAFFFFF, + Color160: 0xD70000, + Color161: 0xD7005F, + Color162: 0xD70087, + Color163: 0xD700AF, + Color164: 0xD700D7, + Color165: 0xD700FF, + Color166: 0xD75F00, + Color167: 0xD75F5F, + Color168: 0xD75F87, + Color169: 0xD75FAF, + Color170: 0xD75FD7, + Color171: 0xD75FFF, + Color172: 0xD78700, + Color173: 0xD7875F, + Color174: 0xD78787, + Color175: 0xD787AF, + Color176: 0xD787D7, + Color177: 0xD787FF, + Color178: 0xD7AF00, + Color179: 0xD7AF5F, + Color180: 0xD7AF87, + Color181: 0xD7AFAF, + Color182: 0xD7AFD7, + Color183: 0xD7AFFF, + Color184: 0xD7D700, + Color185: 0xD7D75F, + Color186: 0xD7D787, + Color187: 0xD7D7AF, + Color188: 0xD7D7D7, + Color189: 0xD7D7FF, + Color190: 0xD7FF00, + Color191: 0xD7FF5F, + Color192: 0xD7FF87, + Color193: 0xD7FFAF, + Color194: 0xD7FFD7, + Color195: 0xD7FFFF, + Color196: 0xFF0000, // red + Color197: 0xFF005F, + Color198: 0xFF0087, + Color199: 0xFF00AF, + Color200: 0xFF00D7, + Color201: 0xFF00FF, // fuchsia + Color202: 0xFF5F00, + Color203: 0xFF5F5F, + Color204: 0xFF5F87, + Color205: 0xFF5FAF, + Color206: 0xFF5FD7, + Color207: 0xFF5FFF, + Color208: 0xFF8700, + Color209: 0xFF875F, + Color210: 0xFF8787, + Color211: 0xFF87AF, + Color212: 0xFF87D7, + Color213: 0xFF87FF, + Color214: 0xFFAF00, + Color215: 0xFFAF5F, + Color216: 0xFFAF87, + Color217: 0xFFAFAF, + Color218: 0xFFAFD7, + Color219: 0xFFAFFF, + Color220: 0xFFD700, + Color221: 0xFFD75F, + Color222: 0xFFD787, + Color223: 0xFFD7AF, + Color224: 0xFFD7D7, + Color225: 0xFFD7FF, + Color226: 0xFFFF00, // yellow + Color227: 0xFFFF5F, + Color228: 0xFFFF87, + Color229: 0xFFFFAF, + Color230: 0xFFFFD7, + Color231: 0xFFFFFF, // white + Color232: 0x080808, + Color233: 0x121212, + Color234: 0x1C1C1C, + Color235: 0x262626, + Color236: 0x303030, + Color237: 0x3A3A3A, + Color238: 0x444444, + Color239: 0x4E4E4E, + Color240: 0x585858, + Color241: 0x626262, + Color242: 0x6C6C6C, + Color243: 0x767676, + Color244: 0x808080, // grey + Color245: 0x8A8A8A, + Color246: 0x949494, + Color247: 0x9E9E9E, + Color248: 0xA8A8A8, + Color249: 0xB2B2B2, + Color250: 0xBCBCBC, + Color251: 0xC6C6C6, + Color252: 0xD0D0D0, + Color253: 0xDADADA, + Color254: 0xE4E4E4, + Color255: 0xEEEEEE, + ColorAliceBlue: 0xF0F8FF, + ColorAntiqueWhite: 0xFAEBD7, + ColorAquaMarine: 0x7FFFD4, + ColorAzure: 0xF0FFFF, + ColorBeige: 0xF5F5DC, + ColorBisque: 0xFFE4C4, + ColorBlanchedAlmond: 0xFFEBCD, + ColorBlueViolet: 0x8A2BE2, + ColorBrown: 0xA52A2A, + ColorBurlyWood: 0xDEB887, + ColorCadetBlue: 0x5F9EA0, + ColorChartreuse: 0x7FFF00, + ColorChocolate: 0xD2691E, + ColorCoral: 0xFF7F50, + ColorCornflowerBlue: 0x6495ED, + ColorCornsilk: 0xFFF8DC, + ColorCrimson: 0xDC143C, + ColorDarkBlue: 0x00008B, + ColorDarkCyan: 0x008B8B, + ColorDarkGoldenrod: 0xB8860B, + ColorDarkGray: 0xA9A9A9, + ColorDarkGreen: 0x006400, + ColorDarkKhaki: 0xBDB76B, + ColorDarkMagenta: 0x8B008B, + ColorDarkOliveGreen: 0x556B2F, + ColorDarkOrange: 0xFF8C00, + ColorDarkOrchid: 0x9932CC, + ColorDarkRed: 0x8B0000, + ColorDarkSalmon: 0xE9967A, + ColorDarkSeaGreen: 0x8FBC8F, + ColorDarkSlateBlue: 0x483D8B, + ColorDarkSlateGray: 0x2F4F4F, + ColorDarkTurquoise: 0x00CED1, + ColorDarkViolet: 0x9400D3, + ColorDeepPink: 0xFF1493, + ColorDeepSkyBlue: 0x00BFFF, + ColorDimGray: 0x696969, + ColorDodgerBlue: 0x1E90FF, + ColorFireBrick: 0xB22222, + ColorFloralWhite: 0xFFFAF0, + ColorForestGreen: 0x228B22, + ColorGainsboro: 0xDCDCDC, + ColorGhostWhite: 0xF8F8FF, + ColorGold: 0xFFD700, + ColorGoldenrod: 0xDAA520, + ColorGreenYellow: 0xADFF2F, + ColorHoneydew: 0xF0FFF0, + ColorHotPink: 0xFF69B4, + ColorIndianRed: 0xCD5C5C, + ColorIndigo: 0x4B0082, + ColorIvory: 0xFFFFF0, + ColorKhaki: 0xF0E68C, + ColorLavender: 0xE6E6FA, + ColorLavenderBlush: 0xFFF0F5, + ColorLawnGreen: 0x7CFC00, + ColorLemonChiffon: 0xFFFACD, + ColorLightBlue: 0xADD8E6, + ColorLightCoral: 0xF08080, + ColorLightCyan: 0xE0FFFF, + ColorLightGoldenrodYellow: 0xFAFAD2, + ColorLightGray: 0xD3D3D3, + ColorLightGreen: 0x90EE90, + ColorLightPink: 0xFFB6C1, + ColorLightSalmon: 0xFFA07A, + ColorLightSeaGreen: 0x20B2AA, + ColorLightSkyBlue: 0x87CEFA, + ColorLightSlateGray: 0x778899, + ColorLightSteelBlue: 0xB0C4DE, + ColorLightYellow: 0xFFFFE0, + ColorLimeGreen: 0x32CD32, + ColorLinen: 0xFAF0E6, + ColorMediumAquamarine: 0x66CDAA, + ColorMediumBlue: 0x0000CD, + ColorMediumOrchid: 0xBA55D3, + ColorMediumPurple: 0x9370DB, + ColorMediumSeaGreen: 0x3CB371, + ColorMediumSlateBlue: 0x7B68EE, + ColorMediumSpringGreen: 0x00FA9A, + ColorMediumTurquoise: 0x48D1CC, + ColorMediumVioletRed: 0xC71585, + ColorMidnightBlue: 0x191970, + ColorMintCream: 0xF5FFFA, + ColorMistyRose: 0xFFE4E1, + ColorMoccasin: 0xFFE4B5, + ColorNavajoWhite: 0xFFDEAD, + ColorOldLace: 0xFDF5E6, + ColorOliveDrab: 0x6B8E23, + ColorOrange: 0xFFA500, + ColorOrangeRed: 0xFF4500, + ColorOrchid: 0xDA70D6, + ColorPaleGoldenrod: 0xEEE8AA, + ColorPaleGreen: 0x98FB98, + ColorPaleTurquoise: 0xAFEEEE, + ColorPaleVioletRed: 0xDB7093, + ColorPapayaWhip: 0xFFEFD5, + ColorPeachPuff: 0xFFDAB9, + ColorPeru: 0xCD853F, + ColorPink: 0xFFC0CB, + ColorPlum: 0xDDA0DD, + ColorPowderBlue: 0xB0E0E6, + ColorRebeccaPurple: 0x663399, + ColorRosyBrown: 0xBC8F8F, + ColorRoyalBlue: 0x4169E1, + ColorSaddleBrown: 0x8B4513, + ColorSalmon: 0xFA8072, + ColorSandyBrown: 0xF4A460, + ColorSeaGreen: 0x2E8B57, + ColorSeashell: 0xFFF5EE, + ColorSienna: 0xA0522D, + ColorSkyblue: 0x87CEEB, + ColorSlateBlue: 0x6A5ACD, + ColorSlateGray: 0x708090, + ColorSnow: 0xFFFAFA, + ColorSpringGreen: 0x00FF7F, + ColorSteelBlue: 0x4682B4, + ColorTan: 0xD2B48C, + ColorThistle: 0xD8BFD8, + ColorTomato: 0xFF6347, + ColorTurquoise: 0x40E0D0, + ColorViolet: 0xEE82EE, + ColorWheat: 0xF5DEB3, + ColorWhiteSmoke: 0xF5F5F5, + ColorYellowGreen: 0x9ACD32, +} + +// ColorNames holds the written names of colors. Useful to present a list of +// recognized named colors. +var ColorNames = map[string]Color{ + "black": ColorBlack, + "maroon": ColorMaroon, + "green": ColorGreen, + "olive": ColorOlive, + "navy": ColorNavy, + "purple": ColorPurple, + "teal": ColorTeal, + "silver": ColorSilver, + "gray": ColorGray, + "red": ColorRed, + "lime": ColorLime, + "yellow": ColorYellow, + "blue": ColorBlue, + "fuchsia": ColorFuchsia, + "aqua": ColorAqua, + "white": ColorWhite, + "aliceblue": ColorAliceBlue, + "antiquewhite": ColorAntiqueWhite, + "aquamarine": ColorAquaMarine, + "azure": ColorAzure, + "beige": ColorBeige, + "bisque": ColorBisque, + "blanchedalmond": ColorBlanchedAlmond, + "blueviolet": ColorBlueViolet, + "brown": ColorBrown, + "burlywood": ColorBurlyWood, + "cadetblue": ColorCadetBlue, + "chartreuse": ColorChartreuse, + "chocolate": ColorChocolate, + "coral": ColorCoral, + "cornflowerblue": ColorCornflowerBlue, + "cornsilk": ColorCornsilk, + "crimson": ColorCrimson, + "darkblue": ColorDarkBlue, + "darkcyan": ColorDarkCyan, + "darkgoldenrod": ColorDarkGoldenrod, + "darkgray": ColorDarkGray, + "darkgreen": ColorDarkGreen, + "darkkhaki": ColorDarkKhaki, + "darkmagenta": ColorDarkMagenta, + "darkolivegreen": ColorDarkOliveGreen, + "darkorange": ColorDarkOrange, + "darkorchid": ColorDarkOrchid, + "darkred": ColorDarkRed, + "darksalmon": ColorDarkSalmon, + "darkseagreen": ColorDarkSeaGreen, + "darkslateblue": ColorDarkSlateBlue, + "darkslategray": ColorDarkSlateGray, + "darkturquoise": ColorDarkTurquoise, + "darkviolet": ColorDarkViolet, + "deeppink": ColorDeepPink, + "deepskyblue": ColorDeepSkyBlue, + "dimgray": ColorDimGray, + "dodgerblue": ColorDodgerBlue, + "firebrick": ColorFireBrick, + "floralwhite": ColorFloralWhite, + "forestgreen": ColorForestGreen, + "gainsboro": ColorGainsboro, + "ghostwhite": ColorGhostWhite, + "gold": ColorGold, + "goldenrod": ColorGoldenrod, + "greenyellow": ColorGreenYellow, + "honeydew": ColorHoneydew, + "hotpink": ColorHotPink, + "indianred": ColorIndianRed, + "indigo": ColorIndigo, + "ivory": ColorIvory, + "khaki": ColorKhaki, + "lavender": ColorLavender, + "lavenderblush": ColorLavenderBlush, + "lawngreen": ColorLawnGreen, + "lemonchiffon": ColorLemonChiffon, + "lightblue": ColorLightBlue, + "lightcoral": ColorLightCoral, + "lightcyan": ColorLightCyan, + "lightgoldenrodyellow": ColorLightGoldenrodYellow, + "lightgray": ColorLightGray, + "lightgreen": ColorLightGreen, + "lightpink": ColorLightPink, + "lightsalmon": ColorLightSalmon, + "lightseagreen": ColorLightSeaGreen, + "lightskyblue": ColorLightSkyBlue, + "lightslategray": ColorLightSlateGray, + "lightsteelblue": ColorLightSteelBlue, + "lightyellow": ColorLightYellow, + "limegreen": ColorLimeGreen, + "linen": ColorLinen, + "mediumaquamarine": ColorMediumAquamarine, + "mediumblue": ColorMediumBlue, + "mediumorchid": ColorMediumOrchid, + "mediumpurple": ColorMediumPurple, + "mediumseagreen": ColorMediumSeaGreen, + "mediumslateblue": ColorMediumSlateBlue, + "mediumspringgreen": ColorMediumSpringGreen, + "mediumturquoise": ColorMediumTurquoise, + "mediumvioletred": ColorMediumVioletRed, + "midnightblue": ColorMidnightBlue, + "mintcream": ColorMintCream, + "mistyrose": ColorMistyRose, + "moccasin": ColorMoccasin, + "navajowhite": ColorNavajoWhite, + "oldlace": ColorOldLace, + "olivedrab": ColorOliveDrab, + "orange": ColorOrange, + "orangered": ColorOrangeRed, + "orchid": ColorOrchid, + "palegoldenrod": ColorPaleGoldenrod, + "palegreen": ColorPaleGreen, + "paleturquoise": ColorPaleTurquoise, + "palevioletred": ColorPaleVioletRed, + "papayawhip": ColorPapayaWhip, + "peachpuff": ColorPeachPuff, + "peru": ColorPeru, + "pink": ColorPink, + "plum": ColorPlum, + "powderblue": ColorPowderBlue, + "rebeccapurple": ColorRebeccaPurple, + "rosybrown": ColorRosyBrown, + "royalblue": ColorRoyalBlue, + "saddlebrown": ColorSaddleBrown, + "salmon": ColorSalmon, + "sandybrown": ColorSandyBrown, + "seagreen": ColorSeaGreen, + "seashell": ColorSeashell, + "sienna": ColorSienna, + "skyblue": ColorSkyblue, + "slateblue": ColorSlateBlue, + "slategray": ColorSlateGray, + "snow": ColorSnow, + "springgreen": ColorSpringGreen, + "steelblue": ColorSteelBlue, + "tan": ColorTan, + "thistle": ColorThistle, + "tomato": ColorTomato, + "turquoise": ColorTurquoise, + "violet": ColorViolet, + "wheat": ColorWheat, + "whitesmoke": ColorWhiteSmoke, + "yellowgreen": ColorYellowGreen, + "grey": ColorGray, + "dimgrey": ColorDimGray, + "darkgrey": ColorDarkGray, + "darkslategrey": ColorDarkSlateGray, + "lightgrey": ColorLightGray, + "lightslategrey": ColorLightSlateGray, + "slategrey": ColorSlateGray, +} + +// Hex returns the color's hexadecimal RGB 24-bit value with each component +// consisting of a single byte, ala R << 16 | G << 8 | B. If the color +// is unknown or unset, -1 is returned. +func (c Color) Hex() int32 { + if c&ColorIsRGB != 0 { + return (int32(c) & 0xffffff) + } + if v, ok := ColorValues[c]; ok { + return v + } + return -1 +} + +// RGB returns the red, green, and blue components of the color, with +// each component represented as a value 0-255. In the event that the +// color cannot be broken up (not set usually), -1 is returned for each value. +func (c Color) RGB() (int32, int32, int32) { + v := c.Hex() + if v < 0 { + return -1, -1, -1 + } + return (v >> 16) & 0xff, (v >> 8) & 0xff, v & 0xff +} + +// NewRGBColor returns a new color with the given red, green, and blue values. +// Each value must be represented in the range 0-255. +func NewRGBColor(r, g, b int32) Color { + return NewHexColor(((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff)) +} + +// NewHexColor returns a color using the given 24-bit RGB value. +func NewHexColor(v int32) Color { + return ColorIsRGB | Color(v) +} + +// GetColor creates a Color from a color name (W3C name). A hex value may +// be supplied as a string in the format "#ffffff". +func GetColor(name string) Color { + if c, ok := ColorNames[name]; ok { + return c + } + if len(name) == 7 && name[0] == '#' { + if v, e := strconv.ParseInt(name[1:], 16, 32); e == nil { + return NewHexColor(int32(v)) + } + } + return ColorDefault +} |