node-red-nodes/hardware/neopixel/colours.js

/**
 * Copyright 2016 IBM Corp.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this 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.
 **/

var colours = {
  'aqua':'#00FFFF',
  'aliceblue':'#F0F8FF',
  'antiquewhite':'#FAEBD7',
  'black':'#000000',
  'off':'#000000',
  'blue':'#0000FF',
  'cyan':'#00FFFF',
  'darkblue':'#00008B',
  'darkcyan':'#008B8B',
  'darkgreen':'#006400',
  'darkturquoise':'#00CED1',
  'deepskyblue':'#00BFFF',
  'green':'#008000',
  'lime':'#00FF00',
  'mediumblue':'#0000CD',
  'mediumspringgreen':'#00FA9A',
  'navy':'#000080',
  'springgreen':'#00FF7F',
  'teal':'#008080',
  'midnightblue':'#191970',
  'dodgerblue':'#1E90FF',
  'lightseagreen':'#20B2AA',
  'forestgreen':'#228B22',
  'seagreen':'#2E8B57',
  'darkslategray':'#2F4F4F',
  'darkslategrey':'#2F4F4F',
  'limegreen':'#32CD32',
  'mediumseagreen':'#3CB371',
  'turquoise':'#40E0D0',
  'royalblue':'#4169E1',
  'steelblue':'#4682B4',
  'darkslateblue':'#483D8B',
  'mediumturquoise':'#48D1CC',
  'indigo':'#4B0082',
  'darkolivegreen':'#556B2F',
  'cadetblue':'#5F9EA0',
  'cornflowerblue':'#6495ED',
  'mediumaquamarine':'#66CDAA',
  'dimgray':'#696969',
  'dimgrey':'#696969',
  'slateblue':'#6A5ACD',
  'olivedrab':'#6B8E23',
  'slategray':'#708090',
  'slategrey':'#708090',
  'lightslategray':'#778899',
  'lightslategrey':'#778899',
  'mediumslateblue':'#7B68EE',
  'lawngreen':'#7CFC00',
  'aquamarine':'#7FFFD4',
  'chartreuse':'#7FFF00',
  'gray':'#808080',
  'grey':'#808080',
  'maroon':'#800000',
  'olive':'#808000',
  'purple':'#800080',
  'lightskyblue':'#87CEFA',
  'skyblue':'#87CEEB',
  'blueviolet':'#8A2BE2',
  'darkmagenta':'#8B008B',
  'darkred':'#8B0000',
  'saddlebrown':'#8B4513',
  'darkseagreen':'#8FBC8F',
  'lightgreen':'#90EE90',
  'mediumpurple':'#9370DB',
  'darkviolet':'#9400D3',
  'palegreen':'#98FB98',
  'darkorchid':'#9932CC',
  'yellowgreen':'#9ACD32',
  'sienna':'#A0522D',
  'brown':'#A52A2A',
  'darkgray':'#A9A9A9',
  'darkgrey':'#A9A9A9',
  'greenyellow':'#ADFF2F',
  'lightblue':'#ADD8E6',
  'paleturquoise':'#AFEEEE',
  'lightsteelblue':'#B0C4DE',
  'powderblue':'#B0E0E6',
  'firebrick':'#B22222',
  'darkgoldenrod':'#B8860B',
  'mediumorchid':'#BA55D3',
  'rosybrown':'#BC8F8F',
  'darkkhaki':'#BDB76B',
  'silver':'#C0C0C0',
  'mediumvioletred':'#C71585',
  'indianred':'#CD5C5C',
  'peru':'#CD853F',
  'chocolate':'#D2691E',
  'tan':'#D2B48C',
  'lightgray':'#D3D3D3',
  'lightgrey':'#D3D3D3',
  'thistle':'#D8BFD8',
  'goldenrod':'#DAA520',
  'orchid':'#DA70D6',
  'palevioletred':'#DB7093',
  'crimson':'#DC143C',
  'gainsboro':'#DCDCDC',
  'plum':'#DDA0DD',
  'burlywood':'#DEB887',
  'lightcyan':'#E0FFFF',
  'lavender':'#E6E6FA',
  'darksalmon':'#E9967A',
  'palegoldenrod':'#EEE8AA',
  'violet':'#EE82EE',
  'azure':'#F0FFFF',
  'honeydew':'#F0FFF0',
  'khaki':'#F0E68C',
  'lightcoral':'#F08080',
  'sandybrown':'#F4A460',
  'beige':'#F5F5DC',
  'mintcream':'#F5FFFA',
  'wheat':'#F5DEB3',
  'whitesmoke':'#F5F5F5',
  'ghostwhite':'#F8F8FF',
  'lightgoldenrodyellow':'#FAFAD2',
  'linen':'#FAF0E6',
  'salmon':'#FA8072',
  'oldlace':'#FDF5E6',
  'warmwhite':'#FDF5E6',
  'bisque':'#FFE4C4',
  'blanchedalmond':'#FFEBCD',
  'coral':'#FF7F50',
  'cornsilk':'#FFF8DC',
  'darkorange':'#FF8C00',
  'deeppink':'#FF1493',
  'floralwhite':'#FFFAF0',
  'fuchsia':'#FF00FF',
  'gold':'#FFD700',
  'hotpink':'#FF69B4',
  'ivory':'#FFFFF0',
  'lavenderblush':'#FFF0F5',
  'lemonchiffon':'#FFFACD',
  'lightpink':'#FFB6C1',
  'lightsalmon':'#FFA07A',
  'lightyellow':'#FFFFE0',
  'magenta':'#FF00FF',
  'mistyrose':'#FFE4E1',
  'moccasin':'#FFE4B5',
  'navajowhite':'#FFDEAD',
  'orange':'#FFA500',
  'orangered':'#FF4500',
  'papayawhip':'#FFEFD5',
  'peachpuff':'#FFDAB9',
  'pink':'#FFC0CB',
  'red':'#FF0000',
  'seashell':'#FFF5EE',
  'snow':'#FFFAFA',
  'tomato':'#FF6347',
  'white':'#FFFFFF',
  'yellow':'#FFFF00',
  'amber':'#FFD200'
};

var p1 = /^\#[A-Fa-f0-9]{6}$/

module.exports.getRGB = function(col) {
    col = col.toString().toLowerCase();
    if (col in colours) {
        col = colours[col];
    }
    if (p1.test(col)) {
        r = parseInt(col.slice(1,3),16);
        g = parseInt(col.slice(3,5),16);
        b = parseInt(col.slice(5),16);
        return r+","+g+","+b;
    }
    else {
        return null;
    }
}

module.exports.getHex = function(col) {
    col = col.toString().toLowerCase();
    if (col in colours) {
        return colours[col];
    }
    else { return null; }
}

module.exports.HexRGB = function(hex) {
    try {
        r = parseInt(hex.slice(1,3),16);
        g = parseInt(hex.slice(3,5),16);
        b = parseInt(hex.slice(5),16);
        return r+","+g+","+b;
    }
    catch(e) { return null; }
}