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1 /*** |
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2 |
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3 MochiKit.Color 1.4 |
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4 |
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5 See <http://mochikit.com/> for documentation, downloads, license, etc. |
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6 |
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7 (c) 2005 Bob Ippolito and others. All rights Reserved. |
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8 |
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9 ***/ |
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10 |
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11 if (typeof(dojo) != 'undefined') { |
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12 dojo.provide('MochiKit.Color'); |
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13 dojo.require('MochiKit.Base'); |
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14 dojo.require('MochiKit.DOM'); |
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15 dojo.require('MochiKit.Style'); |
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16 } |
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17 |
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18 if (typeof(JSAN) != 'undefined') { |
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19 JSAN.use("MochiKit.Base", []); |
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20 JSAN.use("MochiKit.DOM", []); |
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21 JSAN.use("MochiKit.Style", []); |
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22 } |
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23 |
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24 try { |
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25 if (typeof(MochiKit.Base) == 'undefined') { |
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26 throw ""; |
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27 } |
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28 } catch (e) { |
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29 throw "MochiKit.Color depends on MochiKit.Base"; |
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30 } |
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31 |
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32 try { |
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33 if (typeof(MochiKit.Base) == 'undefined') { |
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34 throw ""; |
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35 } |
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36 } catch (e) { |
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37 throw "MochiKit.Color depends on MochiKit.DOM"; |
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38 } |
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39 |
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40 try { |
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41 if (typeof(MochiKit.Base) == 'undefined') { |
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42 throw ""; |
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43 } |
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44 } catch (e) { |
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45 throw "MochiKit.Color depends on MochiKit.Style"; |
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46 } |
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47 |
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48 if (typeof(MochiKit.Color) == "undefined") { |
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49 MochiKit.Color = {}; |
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50 } |
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51 |
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52 MochiKit.Color.NAME = "MochiKit.Color"; |
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53 MochiKit.Color.VERSION = "1.4"; |
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54 |
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55 MochiKit.Color.__repr__ = function () { |
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56 return "[" + this.NAME + " " + this.VERSION + "]"; |
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57 }; |
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58 |
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59 MochiKit.Color.toString = function () { |
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60 return this.__repr__(); |
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61 }; |
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62 |
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63 |
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64 /** @id MochiKit.Color.Color */ |
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65 MochiKit.Color.Color = function (red, green, blue, alpha) { |
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66 if (typeof(alpha) == 'undefined' || alpha === null) { |
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67 alpha = 1.0; |
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68 } |
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69 this.rgb = { |
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70 r: red, |
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71 g: green, |
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72 b: blue, |
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73 a: alpha |
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74 }; |
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75 }; |
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76 |
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77 |
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78 // Prototype methods |
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79 |
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80 MochiKit.Color.Color.prototype = { |
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81 |
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82 __class__: MochiKit.Color.Color, |
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83 |
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84 /** @id MochiKit.Color.Color.prototype.colorWithAlpha */ |
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85 colorWithAlpha: function (alpha) { |
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86 var rgb = this.rgb; |
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87 var m = MochiKit.Color; |
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88 return m.Color.fromRGB(rgb.r, rgb.g, rgb.b, alpha); |
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89 }, |
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90 |
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91 /** @id MochiKit.Color.Color.prototype.colorWithHue */ |
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92 colorWithHue: function (hue) { |
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93 // get an HSL model, and set the new hue... |
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94 var hsl = this.asHSL(); |
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95 hsl.h = hue; |
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96 var m = MochiKit.Color; |
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97 // convert back to RGB... |
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98 return m.Color.fromHSL(hsl); |
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99 }, |
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100 |
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101 /** @id MochiKit.Color.Color.prototype.colorWithSaturation */ |
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102 colorWithSaturation: function (saturation) { |
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103 // get an HSL model, and set the new hue... |
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104 var hsl = this.asHSL(); |
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105 hsl.s = saturation; |
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106 var m = MochiKit.Color; |
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107 // convert back to RGB... |
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108 return m.Color.fromHSL(hsl); |
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109 }, |
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110 |
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111 /** @id MochiKit.Color.Color.prototype.colorWithLightness */ |
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112 colorWithLightness: function (lightness) { |
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113 // get an HSL model, and set the new hue... |
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114 var hsl = this.asHSL(); |
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115 hsl.l = lightness; |
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116 var m = MochiKit.Color; |
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117 // convert back to RGB... |
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118 return m.Color.fromHSL(hsl); |
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119 }, |
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120 |
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121 /** @id MochiKit.Color.Color.prototype.darkerColorWithLevel */ |
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122 darkerColorWithLevel: function (level) { |
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123 var hsl = this.asHSL(); |
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124 hsl.l = Math.max(hsl.l - level, 0); |
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125 var m = MochiKit.Color; |
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126 return m.Color.fromHSL(hsl); |
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127 }, |
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128 |
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129 /** @id MochiKit.Color.Color.prototype.lighterColorWithLevel */ |
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130 lighterColorWithLevel: function (level) { |
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131 var hsl = this.asHSL(); |
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132 hsl.l = Math.min(hsl.l + level, 1); |
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133 var m = MochiKit.Color; |
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134 return m.Color.fromHSL(hsl); |
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135 }, |
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136 |
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137 /** @id MochiKit.Color.Color.prototype.blendedColor */ |
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138 blendedColor: function (other, /* optional */ fraction) { |
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139 if (typeof(fraction) == 'undefined' || fraction === null) { |
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140 fraction = 0.5; |
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141 } |
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142 var sf = 1.0 - fraction; |
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143 var s = this.rgb; |
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144 var d = other.rgb; |
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145 var df = fraction; |
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146 return MochiKit.Color.Color.fromRGB( |
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147 (s.r * sf) + (d.r * df), |
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148 (s.g * sf) + (d.g * df), |
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149 (s.b * sf) + (d.b * df), |
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150 (s.a * sf) + (d.a * df) |
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151 ); |
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152 }, |
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153 |
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154 /** @id MochiKit.Color.Color.prototype.compareRGB */ |
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155 compareRGB: function (other) { |
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156 var a = this.asRGB(); |
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157 var b = other.asRGB(); |
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158 return MochiKit.Base.compare( |
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159 [a.r, a.g, a.b, a.a], |
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160 [b.r, b.g, b.b, b.a] |
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161 ); |
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162 }, |
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163 |
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164 /** @id MochiKit.Color.Color.prototype.isLight */ |
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165 isLight: function () { |
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166 return this.asHSL().b > 0.5; |
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167 }, |
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168 |
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169 /** @id MochiKit.Color.Color.prototype.isDark */ |
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170 isDark: function () { |
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171 return (!this.isLight()); |
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172 }, |
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173 |
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174 /** @id MochiKit.Color.Color.prototype.toHSLString */ |
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175 toHSLString: function () { |
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176 var c = this.asHSL(); |
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177 var ccc = MochiKit.Color.clampColorComponent; |
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178 var rval = this._hslString; |
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179 if (!rval) { |
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180 var mid = ( |
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181 ccc(c.h, 360).toFixed(0) |
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182 + "," + ccc(c.s, 100).toPrecision(4) + "%" |
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183 + "," + ccc(c.l, 100).toPrecision(4) + "%" |
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184 ); |
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185 var a = c.a; |
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186 if (a >= 1) { |
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187 a = 1; |
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188 rval = "hsl(" + mid + ")"; |
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189 } else { |
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190 if (a <= 0) { |
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191 a = 0; |
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192 } |
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193 rval = "hsla(" + mid + "," + a + ")"; |
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194 } |
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195 this._hslString = rval; |
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196 } |
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197 return rval; |
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198 }, |
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199 |
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200 /** @id MochiKit.Color.Color.prototype.toRGBString */ |
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201 toRGBString: function () { |
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202 var c = this.rgb; |
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203 var ccc = MochiKit.Color.clampColorComponent; |
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204 var rval = this._rgbString; |
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205 if (!rval) { |
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206 var mid = ( |
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207 ccc(c.r, 255).toFixed(0) |
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208 + "," + ccc(c.g, 255).toFixed(0) |
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209 + "," + ccc(c.b, 255).toFixed(0) |
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210 ); |
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211 if (c.a != 1) { |
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212 rval = "rgba(" + mid + "," + c.a + ")"; |
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213 } else { |
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214 rval = "rgb(" + mid + ")"; |
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215 } |
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216 this._rgbString = rval; |
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217 } |
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218 return rval; |
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219 }, |
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220 |
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221 /** @id MochiKit.Color.Color.prototype.asRGB */ |
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222 asRGB: function () { |
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223 return MochiKit.Base.clone(this.rgb); |
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224 }, |
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225 |
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226 /** @id MochiKit.Color.Color.prototype.toHexString */ |
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227 toHexString: function () { |
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228 var m = MochiKit.Color; |
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229 var c = this.rgb; |
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230 var ccc = MochiKit.Color.clampColorComponent; |
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231 var rval = this._hexString; |
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232 if (!rval) { |
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233 rval = ("#" + |
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234 m.toColorPart(ccc(c.r, 255)) + |
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235 m.toColorPart(ccc(c.g, 255)) + |
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236 m.toColorPart(ccc(c.b, 255)) |
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237 ); |
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238 this._hexString = rval; |
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239 } |
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240 return rval; |
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241 }, |
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242 |
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243 /** @id MochiKit.Color.Color.prototype.asHSV */ |
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244 asHSV: function () { |
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245 var hsv = this.hsv; |
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246 var c = this.rgb; |
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247 if (typeof(hsv) == 'undefined' || hsv === null) { |
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248 hsv = MochiKit.Color.rgbToHSV(this.rgb); |
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249 this.hsv = hsv; |
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250 } |
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251 return MochiKit.Base.clone(hsv); |
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252 }, |
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253 |
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254 /** @id MochiKit.Color.Color.prototype.asHSL */ |
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255 asHSL: function () { |
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256 var hsl = this.hsl; |
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257 var c = this.rgb; |
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258 if (typeof(hsl) == 'undefined' || hsl === null) { |
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259 hsl = MochiKit.Color.rgbToHSL(this.rgb); |
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260 this.hsl = hsl; |
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261 } |
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262 return MochiKit.Base.clone(hsl); |
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263 }, |
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264 |
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265 /** @id MochiKit.Color.Color.prototype.toString */ |
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266 toString: function () { |
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267 return this.toRGBString(); |
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268 }, |
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269 |
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270 /** @id MochiKit.Color.Color.prototype.repr */ |
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271 repr: function () { |
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272 var c = this.rgb; |
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273 var col = [c.r, c.g, c.b, c.a]; |
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274 return this.__class__.NAME + "(" + col.join(", ") + ")"; |
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275 } |
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276 |
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277 }; |
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278 |
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279 // Constructor methods |
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280 |
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281 MochiKit.Base.update(MochiKit.Color.Color, { |
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282 /** @id MochiKit.Color.Color.fromRGB */ |
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283 fromRGB: function (red, green, blue, alpha) { |
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284 // designated initializer |
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285 var Color = MochiKit.Color.Color; |
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286 if (arguments.length == 1) { |
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287 var rgb = red; |
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288 red = rgb.r; |
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289 green = rgb.g; |
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290 blue = rgb.b; |
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291 if (typeof(rgb.a) == 'undefined') { |
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292 alpha = undefined; |
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293 } else { |
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294 alpha = rgb.a; |
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295 } |
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296 } |
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297 return new Color(red, green, blue, alpha); |
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298 }, |
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299 |
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300 /** @id MochiKit.Color.Color.fromHSL */ |
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301 fromHSL: function (hue, saturation, lightness, alpha) { |
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302 var m = MochiKit.Color; |
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303 return m.Color.fromRGB(m.hslToRGB.apply(m, arguments)); |
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304 }, |
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305 |
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306 /** @id MochiKit.Color.Color.fromHSV */ |
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307 fromHSV: function (hue, saturation, value, alpha) { |
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308 var m = MochiKit.Color; |
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309 return m.Color.fromRGB(m.hsvToRGB.apply(m, arguments)); |
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310 }, |
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311 |
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312 /** @id MochiKit.Color.Color.fromName */ |
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313 fromName: function (name) { |
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314 var Color = MochiKit.Color.Color; |
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315 // Opera 9 seems to "quote" named colors(?!) |
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316 if (name.charAt(0) == '"') { |
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317 name = name.substr(1, name.length - 2); |
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318 } |
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319 var htmlColor = Color._namedColors[name.toLowerCase()]; |
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320 if (typeof(htmlColor) == 'string') { |
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321 return Color.fromHexString(htmlColor); |
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322 } else if (name == "transparent") { |
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323 return Color.transparentColor(); |
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324 } |
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325 return null; |
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326 }, |
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327 |
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328 /** @id MochiKit.Color.Color.fromString */ |
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329 fromString: function (colorString) { |
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330 var self = MochiKit.Color.Color; |
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331 var three = colorString.substr(0, 3); |
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332 if (three == "rgb") { |
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333 return self.fromRGBString(colorString); |
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334 } else if (three == "hsl") { |
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335 return self.fromHSLString(colorString); |
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336 } else if (colorString.charAt(0) == "#") { |
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337 return self.fromHexString(colorString); |
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338 } |
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339 return self.fromName(colorString); |
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340 }, |
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341 |
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342 |
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343 /** @id MochiKit.Color.Color.fromHexString */ |
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344 fromHexString: function (hexCode) { |
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345 if (hexCode.charAt(0) == '#') { |
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346 hexCode = hexCode.substring(1); |
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347 } |
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348 var components = []; |
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349 var i, hex; |
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350 if (hexCode.length == 3) { |
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351 for (i = 0; i < 3; i++) { |
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352 hex = hexCode.substr(i, 1); |
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353 components.push(parseInt(hex + hex, 16) / 255.0); |
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354 } |
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355 } else { |
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356 for (i = 0; i < 6; i += 2) { |
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357 hex = hexCode.substr(i, 2); |
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358 components.push(parseInt(hex, 16) / 255.0); |
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359 } |
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360 } |
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361 var Color = MochiKit.Color.Color; |
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362 return Color.fromRGB.apply(Color, components); |
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363 }, |
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364 |
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365 |
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366 _fromColorString: function (pre, method, scales, colorCode) { |
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367 // parses either HSL or RGB |
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368 if (colorCode.indexOf(pre) === 0) { |
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369 colorCode = colorCode.substring(colorCode.indexOf("(", 3) + 1, colorCode.length - 1); |
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370 } |
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371 var colorChunks = colorCode.split(/\s*,\s*/); |
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372 var colorFloats = []; |
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373 for (var i = 0; i < colorChunks.length; i++) { |
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374 var c = colorChunks[i]; |
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375 var val; |
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376 var three = c.substring(c.length - 3); |
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377 if (c.charAt(c.length - 1) == '%') { |
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378 val = 0.01 * parseFloat(c.substring(0, c.length - 1)); |
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379 } else if (three == "deg") { |
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380 val = parseFloat(c) / 360.0; |
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381 } else if (three == "rad") { |
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382 val = parseFloat(c) / (Math.PI * 2); |
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383 } else { |
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384 val = scales[i] * parseFloat(c); |
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385 } |
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386 colorFloats.push(val); |
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387 } |
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388 return this[method].apply(this, colorFloats); |
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389 }, |
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390 |
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391 /** @id MochiKit.Color.Color.fromComputedStyle */ |
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392 fromComputedStyle: function (elem, style) { |
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393 var d = MochiKit.DOM; |
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394 var cls = MochiKit.Color.Color; |
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395 for (elem = d.getElement(elem); elem; elem = elem.parentNode) { |
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396 var actualColor = MochiKit.Style.computedStyle.apply(d, arguments); |
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397 if (!actualColor) { |
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398 continue; |
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399 } |
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400 var color = cls.fromString(actualColor); |
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401 if (!color) { |
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402 break; |
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403 } |
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404 if (color.asRGB().a > 0) { |
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405 return color; |
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406 } |
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407 } |
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408 return null; |
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409 }, |
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410 |
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411 /** @id MochiKit.Color.Color.fromBackground */ |
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412 fromBackground: function (elem) { |
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413 var cls = MochiKit.Color.Color; |
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414 return cls.fromComputedStyle( |
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415 elem, "backgroundColor", "background-color") || cls.whiteColor(); |
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416 }, |
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417 |
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418 /** @id MochiKit.Color.Color.fromText */ |
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419 fromText: function (elem) { |
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420 var cls = MochiKit.Color.Color; |
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421 return cls.fromComputedStyle( |
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422 elem, "color", "color") || cls.blackColor(); |
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423 }, |
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424 |
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425 /** @id MochiKit.Color.Color.namedColors */ |
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426 namedColors: function () { |
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427 return MochiKit.Base.clone(MochiKit.Color.Color._namedColors); |
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428 } |
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429 }); |
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430 |
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431 |
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432 // Module level functions |
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433 |
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434 MochiKit.Base.update(MochiKit.Color, { |
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435 /** @id MochiKit.Color.clampColorComponent */ |
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436 clampColorComponent: function (v, scale) { |
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437 v *= scale; |
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438 if (v < 0) { |
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439 return 0; |
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440 } else if (v > scale) { |
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441 return scale; |
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442 } else { |
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443 return v; |
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444 } |
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445 }, |
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446 |
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447 _hslValue: function (n1, n2, hue) { |
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448 if (hue > 6.0) { |
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449 hue -= 6.0; |
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450 } else if (hue < 0.0) { |
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451 hue += 6.0; |
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452 } |
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453 var val; |
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454 if (hue < 1.0) { |
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455 val = n1 + (n2 - n1) * hue; |
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456 } else if (hue < 3.0) { |
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457 val = n2; |
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458 } else if (hue < 4.0) { |
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459 val = n1 + (n2 - n1) * (4.0 - hue); |
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460 } else { |
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461 val = n1; |
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462 } |
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463 return val; |
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464 }, |
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465 |
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466 /** @id MochiKit.Color.hsvToRGB */ |
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467 hsvToRGB: function (hue, saturation, value, alpha) { |
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468 if (arguments.length == 1) { |
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469 var hsv = hue; |
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470 hue = hsv.h; |
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471 saturation = hsv.s; |
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472 value = hsv.v; |
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473 alpha = hsv.a; |
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474 } |
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475 var red; |
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476 var green; |
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477 var blue; |
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478 if (saturation === 0) { |
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479 red = 0; |
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480 green = 0; |
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481 blue = 0; |
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482 } else { |
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483 var i = Math.floor(hue * 6); |
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484 var f = (hue * 6) - i; |
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485 var p = value * (1 - saturation); |
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486 var q = value * (1 - (saturation * f)); |
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487 var t = value * (1 - (saturation * (1 - f))); |
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488 switch (i) { |
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489 case 1: red = q; green = value; blue = p; break; |
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490 case 2: red = p; green = value; blue = t; break; |
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491 case 3: red = p; green = q; blue = value; break; |
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492 case 4: red = t; green = p; blue = value; break; |
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493 case 5: red = value; green = p; blue = q; break; |
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494 case 6: // fall through |
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495 case 0: red = value; green = t; blue = p; break; |
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496 } |
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497 } |
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498 return { |
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499 r: red, |
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500 g: green, |
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501 b: blue, |
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502 a: alpha |
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503 }; |
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504 }, |
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505 |
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506 /** @id MochiKit.Color.hslToRGB */ |
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507 hslToRGB: function (hue, saturation, lightness, alpha) { |
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508 if (arguments.length == 1) { |
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509 var hsl = hue; |
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510 hue = hsl.h; |
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511 saturation = hsl.s; |
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512 lightness = hsl.l; |
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513 alpha = hsl.a; |
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514 } |
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515 var red; |
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516 var green; |
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517 var blue; |
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518 if (saturation === 0) { |
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519 red = lightness; |
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520 green = lightness; |
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521 blue = lightness; |
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522 } else { |
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523 var m2; |
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524 if (lightness <= 0.5) { |
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525 m2 = lightness * (1.0 + saturation); |
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526 } else { |
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527 m2 = lightness + saturation - (lightness * saturation); |
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528 } |
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529 var m1 = (2.0 * lightness) - m2; |
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530 var f = MochiKit.Color._hslValue; |
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531 var h6 = hue * 6.0; |
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532 red = f(m1, m2, h6 + 2); |
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533 green = f(m1, m2, h6); |
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534 blue = f(m1, m2, h6 - 2); |
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535 } |
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536 return { |
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537 r: red, |
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538 g: green, |
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539 b: blue, |
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540 a: alpha |
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541 }; |
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542 }, |
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543 |
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544 /** @id MochiKit.Color.rgbToHSV */ |
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545 rgbToHSV: function (red, green, blue, alpha) { |
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546 if (arguments.length == 1) { |
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547 var rgb = red; |
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548 red = rgb.r; |
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549 green = rgb.g; |
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550 blue = rgb.b; |
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551 alpha = rgb.a; |
|
552 } |
|
553 var max = Math.max(Math.max(red, green), blue); |
|
554 var min = Math.min(Math.min(red, green), blue); |
|
555 var hue; |
|
556 var saturation; |
|
557 var value = max; |
|
558 if (min == max) { |
|
559 hue = 0; |
|
560 saturation = 0; |
|
561 } else { |
|
562 var delta = (max - min); |
|
563 saturation = delta / max; |
|
564 |
|
565 if (red == max) { |
|
566 hue = (green - blue) / delta; |
|
567 } else if (green == max) { |
|
568 hue = 2 + ((blue - red) / delta); |
|
569 } else { |
|
570 hue = 4 + ((red - green) / delta); |
|
571 } |
|
572 hue /= 6; |
|
573 if (hue < 0) { |
|
574 hue += 1; |
|
575 } |
|
576 if (hue > 1) { |
|
577 hue -= 1; |
|
578 } |
|
579 } |
|
580 return { |
|
581 h: hue, |
|
582 s: saturation, |
|
583 v: value, |
|
584 a: alpha |
|
585 }; |
|
586 }, |
|
587 |
|
588 /** @id MochiKit.Color.rgbToHSL */ |
|
589 rgbToHSL: function (red, green, blue, alpha) { |
|
590 if (arguments.length == 1) { |
|
591 var rgb = red; |
|
592 red = rgb.r; |
|
593 green = rgb.g; |
|
594 blue = rgb.b; |
|
595 alpha = rgb.a; |
|
596 } |
|
597 var max = Math.max(red, Math.max(green, blue)); |
|
598 var min = Math.min(red, Math.min(green, blue)); |
|
599 var hue; |
|
600 var saturation; |
|
601 var lightness = (max + min) / 2.0; |
|
602 var delta = max - min; |
|
603 if (delta === 0) { |
|
604 hue = 0; |
|
605 saturation = 0; |
|
606 } else { |
|
607 if (lightness <= 0.5) { |
|
608 saturation = delta / (max + min); |
|
609 } else { |
|
610 saturation = delta / (2 - max - min); |
|
611 } |
|
612 if (red == max) { |
|
613 hue = (green - blue) / delta; |
|
614 } else if (green == max) { |
|
615 hue = 2 + ((blue - red) / delta); |
|
616 } else { |
|
617 hue = 4 + ((red - green) / delta); |
|
618 } |
|
619 hue /= 6; |
|
620 if (hue < 0) { |
|
621 hue += 1; |
|
622 } |
|
623 if (hue > 1) { |
|
624 hue -= 1; |
|
625 } |
|
626 |
|
627 } |
|
628 return { |
|
629 h: hue, |
|
630 s: saturation, |
|
631 l: lightness, |
|
632 a: alpha |
|
633 }; |
|
634 }, |
|
635 |
|
636 /** @id MochiKit.Color.toColorPart */ |
|
637 toColorPart: function (num) { |
|
638 num = Math.round(num); |
|
639 var digits = num.toString(16); |
|
640 if (num < 16) { |
|
641 return '0' + digits; |
|
642 } |
|
643 return digits; |
|
644 }, |
|
645 |
|
646 __new__: function () { |
|
647 var m = MochiKit.Base; |
|
648 /** @id MochiKit.Color.fromRGBString */ |
|
649 this.Color.fromRGBString = m.bind( |
|
650 this.Color._fromColorString, this.Color, "rgb", "fromRGB", |
|
651 [1.0/255.0, 1.0/255.0, 1.0/255.0, 1] |
|
652 ); |
|
653 /** @id MochiKit.Color.fromHSLString */ |
|
654 this.Color.fromHSLString = m.bind( |
|
655 this.Color._fromColorString, this.Color, "hsl", "fromHSL", |
|
656 [1.0/360.0, 0.01, 0.01, 1] |
|
657 ); |
|
658 |
|
659 var third = 1.0 / 3.0; |
|
660 /** @id MochiKit.Color.colors */ |
|
661 var colors = { |
|
662 // NSColor colors plus transparent |
|
663 /** @id MochiKit.Color.blackColor */ |
|
664 black: [0, 0, 0], |
|
665 /** @id MochiKit.Color.blueColor */ |
|
666 blue: [0, 0, 1], |
|
667 /** @id MochiKit.Color.brownColor */ |
|
668 brown: [0.6, 0.4, 0.2], |
|
669 /** @id MochiKit.Color.cyanColor */ |
|
670 cyan: [0, 1, 1], |
|
671 /** @id MochiKit.Color.darkGrayColor */ |
|
672 darkGray: [third, third, third], |
|
673 /** @id MochiKit.Color.grayColor */ |
|
674 gray: [0.5, 0.5, 0.5], |
|
675 /** @id MochiKit.Color.greenColor */ |
|
676 green: [0, 1, 0], |
|
677 /** @id MochiKit.Color.lightGrayColor */ |
|
678 lightGray: [2 * third, 2 * third, 2 * third], |
|
679 /** @id MochiKit.Color.magentaColor */ |
|
680 magenta: [1, 0, 1], |
|
681 /** @id MochiKit.Color.orangeColor */ |
|
682 orange: [1, 0.5, 0], |
|
683 /** @id MochiKit.Color.purpleColor */ |
|
684 purple: [0.5, 0, 0.5], |
|
685 /** @id MochiKit.Color.redColor */ |
|
686 red: [1, 0, 0], |
|
687 /** @id MochiKit.Color.transparentColor */ |
|
688 transparent: [0, 0, 0, 0], |
|
689 /** @id MochiKit.Color.whiteColor */ |
|
690 white: [1, 1, 1], |
|
691 /** @id MochiKit.Color.yellowColor */ |
|
692 yellow: [1, 1, 0] |
|
693 }; |
|
694 |
|
695 var makeColor = function (name, r, g, b, a) { |
|
696 var rval = this.fromRGB(r, g, b, a); |
|
697 this[name] = function () { return rval; }; |
|
698 return rval; |
|
699 }; |
|
700 |
|
701 for (var k in colors) { |
|
702 var name = k + "Color"; |
|
703 var bindArgs = m.concat( |
|
704 [makeColor, this.Color, name], |
|
705 colors[k] |
|
706 ); |
|
707 this.Color[name] = m.bind.apply(null, bindArgs); |
|
708 } |
|
709 |
|
710 var isColor = function () { |
|
711 for (var i = 0; i < arguments.length; i++) { |
|
712 if (!(arguments[i] instanceof Color)) { |
|
713 return false; |
|
714 } |
|
715 } |
|
716 return true; |
|
717 }; |
|
718 |
|
719 var compareColor = function (a, b) { |
|
720 return a.compareRGB(b); |
|
721 }; |
|
722 |
|
723 m.nameFunctions(this); |
|
724 |
|
725 m.registerComparator(this.Color.NAME, isColor, compareColor); |
|
726 |
|
727 this.EXPORT_TAGS = { |
|
728 ":common": this.EXPORT, |
|
729 ":all": m.concat(this.EXPORT, this.EXPORT_OK) |
|
730 }; |
|
731 |
|
732 } |
|
733 }); |
|
734 |
|
735 MochiKit.Color.EXPORT = [ |
|
736 "Color" |
|
737 ]; |
|
738 |
|
739 MochiKit.Color.EXPORT_OK = [ |
|
740 "clampColorComponent", |
|
741 "rgbToHSL", |
|
742 "hslToRGB", |
|
743 "rgbToHSV", |
|
744 "hsvToRGB", |
|
745 "toColorPart" |
|
746 ]; |
|
747 |
|
748 MochiKit.Color.__new__(); |
|
749 |
|
750 MochiKit.Base._exportSymbols(this, MochiKit.Color); |
|
751 |
|
752 // Full table of css3 X11 colors <http://www.w3.org/TR/css3-color/#X11COLORS> |
|
753 |
|
754 MochiKit.Color.Color._namedColors = { |
|
755 aliceblue: "#f0f8ff", |
|
756 antiquewhite: "#faebd7", |
|
757 aqua: "#00ffff", |
|
758 aquamarine: "#7fffd4", |
|
759 azure: "#f0ffff", |
|
760 beige: "#f5f5dc", |
|
761 bisque: "#ffe4c4", |
|
762 black: "#000000", |
|
763 blanchedalmond: "#ffebcd", |
|
764 blue: "#0000ff", |
|
765 blueviolet: "#8a2be2", |
|
766 brown: "#a52a2a", |
|
767 burlywood: "#deb887", |
|
768 cadetblue: "#5f9ea0", |
|
769 chartreuse: "#7fff00", |
|
770 chocolate: "#d2691e", |
|
771 coral: "#ff7f50", |
|
772 cornflowerblue: "#6495ed", |
|
773 cornsilk: "#fff8dc", |
|
774 crimson: "#dc143c", |
|
775 cyan: "#00ffff", |
|
776 darkblue: "#00008b", |
|
777 darkcyan: "#008b8b", |
|
778 darkgoldenrod: "#b8860b", |
|
779 darkgray: "#a9a9a9", |
|
780 darkgreen: "#006400", |
|
781 darkgrey: "#a9a9a9", |
|
782 darkkhaki: "#bdb76b", |
|
783 darkmagenta: "#8b008b", |
|
784 darkolivegreen: "#556b2f", |
|
785 darkorange: "#ff8c00", |
|
786 darkorchid: "#9932cc", |
|
787 darkred: "#8b0000", |
|
788 darksalmon: "#e9967a", |
|
789 darkseagreen: "#8fbc8f", |
|
790 darkslateblue: "#483d8b", |
|
791 darkslategray: "#2f4f4f", |
|
792 darkslategrey: "#2f4f4f", |
|
793 darkturquoise: "#00ced1", |
|
794 darkviolet: "#9400d3", |
|
795 deeppink: "#ff1493", |
|
796 deepskyblue: "#00bfff", |
|
797 dimgray: "#696969", |
|
798 dimgrey: "#696969", |
|
799 dodgerblue: "#1e90ff", |
|
800 firebrick: "#b22222", |
|
801 floralwhite: "#fffaf0", |
|
802 forestgreen: "#228b22", |
|
803 fuchsia: "#ff00ff", |
|
804 gainsboro: "#dcdcdc", |
|
805 ghostwhite: "#f8f8ff", |
|
806 gold: "#ffd700", |
|
807 goldenrod: "#daa520", |
|
808 gray: "#808080", |
|
809 green: "#008000", |
|
810 greenyellow: "#adff2f", |
|
811 grey: "#808080", |
|
812 honeydew: "#f0fff0", |
|
813 hotpink: "#ff69b4", |
|
814 indianred: "#cd5c5c", |
|
815 indigo: "#4b0082", |
|
816 ivory: "#fffff0", |
|
817 khaki: "#f0e68c", |
|
818 lavender: "#e6e6fa", |
|
819 lavenderblush: "#fff0f5", |
|
820 lawngreen: "#7cfc00", |
|
821 lemonchiffon: "#fffacd", |
|
822 lightblue: "#add8e6", |
|
823 lightcoral: "#f08080", |
|
824 lightcyan: "#e0ffff", |
|
825 lightgoldenrodyellow: "#fafad2", |
|
826 lightgray: "#d3d3d3", |
|
827 lightgreen: "#90ee90", |
|
828 lightgrey: "#d3d3d3", |
|
829 lightpink: "#ffb6c1", |
|
830 lightsalmon: "#ffa07a", |
|
831 lightseagreen: "#20b2aa", |
|
832 lightskyblue: "#87cefa", |
|
833 lightslategray: "#778899", |
|
834 lightslategrey: "#778899", |
|
835 lightsteelblue: "#b0c4de", |
|
836 lightyellow: "#ffffe0", |
|
837 lime: "#00ff00", |
|
838 limegreen: "#32cd32", |
|
839 linen: "#faf0e6", |
|
840 magenta: "#ff00ff", |
|
841 maroon: "#800000", |
|
842 mediumaquamarine: "#66cdaa", |
|
843 mediumblue: "#0000cd", |
|
844 mediumorchid: "#ba55d3", |
|
845 mediumpurple: "#9370db", |
|
846 mediumseagreen: "#3cb371", |
|
847 mediumslateblue: "#7b68ee", |
|
848 mediumspringgreen: "#00fa9a", |
|
849 mediumturquoise: "#48d1cc", |
|
850 mediumvioletred: "#c71585", |
|
851 midnightblue: "#191970", |
|
852 mintcream: "#f5fffa", |
|
853 mistyrose: "#ffe4e1", |
|
854 moccasin: "#ffe4b5", |
|
855 navajowhite: "#ffdead", |
|
856 navy: "#000080", |
|
857 oldlace: "#fdf5e6", |
|
858 olive: "#808000", |
|
859 olivedrab: "#6b8e23", |
|
860 orange: "#ffa500", |
|
861 orangered: "#ff4500", |
|
862 orchid: "#da70d6", |
|
863 palegoldenrod: "#eee8aa", |
|
864 palegreen: "#98fb98", |
|
865 paleturquoise: "#afeeee", |
|
866 palevioletred: "#db7093", |
|
867 papayawhip: "#ffefd5", |
|
868 peachpuff: "#ffdab9", |
|
869 peru: "#cd853f", |
|
870 pink: "#ffc0cb", |
|
871 plum: "#dda0dd", |
|
872 powderblue: "#b0e0e6", |
|
873 purple: "#800080", |
|
874 red: "#ff0000", |
|
875 rosybrown: "#bc8f8f", |
|
876 royalblue: "#4169e1", |
|
877 saddlebrown: "#8b4513", |
|
878 salmon: "#fa8072", |
|
879 sandybrown: "#f4a460", |
|
880 seagreen: "#2e8b57", |
|
881 seashell: "#fff5ee", |
|
882 sienna: "#a0522d", |
|
883 silver: "#c0c0c0", |
|
884 skyblue: "#87ceeb", |
|
885 slateblue: "#6a5acd", |
|
886 slategray: "#708090", |
|
887 slategrey: "#708090", |
|
888 snow: "#fffafa", |
|
889 springgreen: "#00ff7f", |
|
890 steelblue: "#4682b4", |
|
891 tan: "#d2b48c", |
|
892 teal: "#008080", |
|
893 thistle: "#d8bfd8", |
|
894 tomato: "#ff6347", |
|
895 turquoise: "#40e0d0", |
|
896 violet: "#ee82ee", |
|
897 wheat: "#f5deb3", |
|
898 white: "#ffffff", |
|
899 whitesmoke: "#f5f5f5", |
|
900 yellow: "#ffff00", |
|
901 yellowgreen: "#9acd32" |
|
902 }; |