module.exports = initColor: -> # The opacity dictionaries @_opacityRegistry = {} @_opacityCount = 0 _normalizeColor: (color) -> if typeof color is 'string' if color.charAt(0) is '#' color = color.replace(/#([0-9A-F])([0-9A-F])([0-9A-F])/i, "#$1$1$2$2$3$3") if color.length is 4 hex = parseInt(color.slice(1), 16) color = [hex >> 16, hex >> 8 & 0xff, hex & 0xff] else if namedColors[color] color = namedColors[color] if Array.isArray color # RGB if color.length is 3 color = (part / 255 for part in color) # CMYK else if color.length is 4 color = (part / 100 for part in color) return color return null fillColor: (color, opacity) -> color = @_normalizeColor(color) return this unless color @fillOpacity opacity if opacity? color = color.join ' ' op = if color.length is 4 then 'k' else 'rg' @addContent "#{color} #{op}" strokeColor: (color, opacity) -> color = @_normalizeColor(color) return this unless color @strokeOpacity opacity if opacity? color = color.join ' ' op = if color.length is 4 then 'K' else 'RG' @addContent "#{color} #{op}" opacity: (opacity) -> @_doOpacity opacity, opacity fillOpacity: (opacity) -> @_doOpacity opacity, null strokeOpacity: (opacity) -> @_doOpacity null, opacity _doOpacity: (fillOpacity, strokeOpacity) -> return unless fillOpacity or strokeOpacity fillOpacity = Math.max 0, Math.min 1, fillOpacity strokeOpacity = Math.max 0, Math.min 1, strokeOpacity key = "#{fillOpacity}_#{strokeOpacity}" if @_opacityRegistry[key] [dictionary, name] = @_opacityRegistry[key] else dictionary = Type: 'ExtGState' dictionary.ca = fillOpacity if fillOpacity dictionary.CA = strokeOpacity if strokeOpacity dictionary = @ref dictionary id = ++@_opacityCount name = "Gs#{id}" @_opacityRegistry[key] = [dictionary, name] @page.ext_gstates[name] = dictionary @addContent "/#{name} gs" namedColors = aliceblue: [240, 248, 255] antiquewhite: [250, 235, 215] aqua: [0, 255, 255] aquamarine: [127, 255, 212] azure: [240, 255, 255] beige: [245, 245, 220] bisque: [255, 228, 196] black: [0, 0, 0] blanchedalmond: [255, 235, 205] blue: [0, 0, 255] blueviolet: [138, 43, 226] brown: [165, 42, 42] burlywood: [222, 184, 135] cadetblue: [95, 158, 160] chartreuse: [127, 255, 0] chocolate: [210, 105, 30] coral: [255, 127, 80] cornflowerblue: [100, 149, 237] cornsilk: [255, 248, 220] crimson: [220, 20, 60] cyan: [0, 255, 255] darkblue: [0, 0, 139] darkcyan: [0, 139, 139] darkgoldenrod: [184, 134, 11] darkgray: [169, 169, 169] darkgreen: [0, 100, 0] darkgrey: [169, 169, 169] darkkhaki: [189, 183, 107] darkmagenta: [139, 0, 139] darkolivegreen: [85, 107, 47] darkorange: [255, 140, 0] darkorchid: [153, 50, 204] darkred: [139, 0, 0] darksalmon: [233, 150, 122] darkseagreen: [143, 188, 143] darkslateblue: [72, 61, 139] darkslategray: [47, 79, 79] darkslategrey: [47, 79, 79] darkturquoise: [0, 206, 209] darkviolet: [148, 0, 211] deeppink: [255, 20, 147] deepskyblue: [0, 191, 255] dimgray: [105, 105, 105] dimgrey: [105, 105, 105] dodgerblue: [30, 144, 255] firebrick: [178, 34, 34] floralwhite: [255, 250, 240] forestgreen: [34, 139, 34] fuchsia: [255, 0, 255] gainsboro: [220, 220, 220] ghostwhite: [248, 248, 255] gold: [255, 215, 0] goldenrod: [218, 165, 32] gray: [128, 128, 128] grey: [128, 128, 128] green: [0, 128, 0] greenyellow: [173, 255, 47] honeydew: [240, 255, 240] hotpink: [255, 105, 180] indianred: [205, 92, 92] indigo: [75, 0, 130] ivory: [255, 255, 240] khaki: [240, 230, 140] lavender: [230, 230, 250] lavenderblush: [255, 240, 245] lawngreen: [124, 252, 0] lemonchiffon: [255, 250, 205] lightblue: [173, 216, 230] lightcoral: [240, 128, 128] lightcyan: [224, 255, 255] lightgoldenrodyellow: [250, 250, 210] lightgray: [211, 211, 211] lightgreen: [144, 238, 144] lightgrey: [211, 211, 211] lightpink: [255, 182, 193] lightsalmon: [255, 160, 122] lightseagreen: [32, 178, 170] lightskyblue: [135, 206, 250] lightslategray: [119, 136, 153] lightslategrey: [119, 136, 153] lightsteelblue: [176, 196, 222] lightyellow: [255, 255, 224] lime: [0, 255, 0] limegreen: [50, 205, 50] linen: [250, 240, 230] magenta: [255, 0, 255] maroon: [128, 0, 0] mediumaquamarine: [102, 205, 170] mediumblue: [0, 0, 205] mediumorchid: [186, 85, 211] mediumpurple: [147, 112, 219] mediumseagreen: [60, 179, 113] mediumslateblue: [123, 104, 238] mediumspringgreen: [0, 250, 154] mediumturquoise: [72, 209, 204] mediumvioletred: [199, 21, 133] midnightblue: [25, 25, 112] mintcream: [245, 255, 250] mistyrose: [255, 228, 225] moccasin: [255, 228, 181] navajowhite: [255, 222, 173] navy: [0, 0, 128] oldlace: [253, 245, 230] olive: [128, 128, 0] olivedrab: [107, 142, 35] orange: [255, 165, 0] orangered: [255, 69, 0] orchid: [218, 112, 214] palegoldenrod: [238, 232, 170] palegreen: [152, 251, 152] paleturquoise: [175, 238, 238] palevioletred: [219, 112, 147] papayawhip: [255, 239, 213] peachpuff: [255, 218, 185] peru: [205, 133, 63] pink: [255, 192, 203] plum: [221, 160, 221] powderblue: [176, 224, 230] purple: [128, 0, 128] red: [255, 0, 0] rosybrown: [188, 143, 143] royalblue: [65, 105, 225] saddlebrown: [139, 69, 19] salmon: [250, 128, 114] sandybrown: [244, 164, 96] seagreen: [46, 139, 87] seashell: [255, 245, 238] sienna: [160, 82, 45] silver: [192, 192, 192] skyblue: [135, 206, 235] slateblue: [106, 90, 205] slategray: [112, 128, 144] slategrey: [112, 128, 144] snow: [255, 250, 250] springgreen: [0, 255, 127] steelblue: [70, 130, 180] tan: [210, 180, 140] teal: [0, 128, 128] thistle: [216, 191, 216] tomato: [255, 99, 71] turquoise: [64, 224, 208] violet: [238, 130, 238] wheat: [245, 222, 179] white: [255, 255, 255] whitesmoke: [245, 245, 245] yellow: [255, 255, 0] yellowgreen: [154, 205, 50]