1 if(!dojo._hasResource["dojox.color.Colorspace"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
2 dojo._hasResource["dojox.color.Colorspace"] = true;
3 dojo.provide("dojox.color.Colorspace");
4 dojo.require("dojox.math.matrix");
6 dojox.color.Colorspace=new (function(){
8 var dxm=dojox.math.matrix;
12 "E": { x:1/3, y:1/3, t:5400 },
13 "D50": { x:0.34567, y:0.3585, t:5000 },
14 "D55": { x:0.33242, y:0.34743, t:5500 },
15 "D65": { x:0.31271, y:0.32902, t:6500 },
16 "D75": { x:0.29902, y:0.31485, t:7500 },
17 "A": { x:0.44757, y:0.40745, t:2856 },
18 "B": { x:0.34842, y:0.35161, t:4874 },
19 "C": { x:0.31006, y:0.31616, t:6774 },
20 "9300": { x:0.2848, y:0.2932, t:9300 },
21 "F2": { x:0.37207, y:0.37512, t:4200 },
22 "F7": { x:0.31285, y:0.32918, t:6500 },
23 "F11": { x:0.38054, y:0.37691, t:4000 }
26 "E": { x:1/3, y:1/3, t:5400 },
27 "D50": { x:0.34773, y:0.35952, t:5000 },
28 "D55": { x:0.33411, y:0.34877, t:5500 },
29 "D65": { x:0.31382, y:0.331, t:6500 },
30 "D75": { x:0.29968, y:0.3174, t:7500 },
31 "A": { x:0.45117, y:0.40594, t:2856 },
32 "B": { x:0.3498, y:0.3527, t:4874 },
33 "C": { x:0.31039, y:0.31905, t:6774 },
34 "F2": { x:0.37928, y:0.36723, t:4200 },
35 "F7": { x:0.31565, y:0.32951, t:6500 },
36 "F11": { x:0.38543, y:0.3711, t:4000 }
41 "Adobe RGB 98":[2.2, "D65", 0.64, 0.33, 0.297361, 0.21, 0.71, 0.627355, 0.15, 0.06, 0.075285],
42 "Apple RGB":[1.8, "D65", 0.625, 0.34, 0.244634, 0.28, 0.595, 0.672034, 0.155, 0.07, 0.083332],
43 "Best RGB":[2.2, "D50", 0.7347, 0.2653, 0.228457, 0.215, 0.775, 0.737352, 0.13, 0.035, 0.034191],
44 "Beta RGB":[2.2, "D50", 0.6888, 0.3112, 0.303273, 0.1986, 0.7551, 0.663786, 0.1265, 0.0352, 0.032941],
45 "Bruce RGB":[2.2, "D65", 0.64, 0.33, 0.240995, 0.28, 0.65, 0.683554, 0.15, 0.06, 0.075452],
46 "CIE RGB":[2.2, "E", 0.735, 0.265, 0.176204, 0.274, 0.717, 0.812985, 0.167, 0.009, 0.010811],
47 "ColorMatch RGB":[1.8, "D50", 0.63, 0.34, 0.274884, 0.295, 0.605, 0.658132, 0.15, 0.075, 0.066985],
48 "DON RGB 4":[2.2, "D50", 0.696, 0.3, 0.27835, 0.215, 0.765, 0.68797, 0.13, 0.035, 0.03368],
49 "ECI RGB":[1.8, "D50", 0.67, 0.33, 0.32025, 0.21, 0.71, 0.602071, 0.14, 0.08, 0.077679],
50 "EktaSpace PS5":[2.2, "D50", 0.695, 0.305, 0.260629, 0.26, 0.7, 0.734946, 0.11, 0.005, 0.004425],
51 "NTSC RGB":[2.2, "C", 0.67, 0.33, 0.298839, 0.21, 0.71, 0.586811, 0.14, 0.08, 0.11435],
52 "PAL/SECAM RGB":[2.2, "D65", 0.64, 0.33, 0.222021, 0.29, 0.6, 0.706645, 0.15, 0.06, 0.071334],
53 "Pro Photo RGB":[1.8, "D50", 0.7347, 0.2653, 0.28804, 0.1596, 0.8404, 0.711874, 0.0366, 0.0001, 0.000086],
54 "SMPTE/C RGB":[2.2, "D65", 0.63, 0.34, 0.212395, 0.31, 0.595, 0.701049, 0.155, 0.07, 0.086556],
55 "sRGB":[2.2, "D65", 0.64, 0.33, 0.212656, 0.3, 0.6, 0.715158, 0.15, 0.06, 0.072186],
56 "Wide Gamut RGB":[2.2, "D50", 0.735, 0.265, 0.258187, 0.115, 0.826, 0.724938, 0.157, 0.018, 0.016875]
61 ma: [[1,0,0], [0,1,0], [0,0,1]],
62 mai: [[1,0,0], [0,1,0], [0,0,1]]
65 ma: [[0.8951, -0.7502, 0.0389], [0.2664, 1.7135, -0.0685], [-0.1614, 0.0367, 1.0296]],
66 mai: [[0.986993, 0.432305, -0.008529], [-0.147054, 0.51836, 0.040043], [0.159963, 0.049291, 0.968487]]
69 ma: [[0.40024, -0.2263, 0], [0.7076, 1.16532, 0], [-0.08081, 0.0457, 0.91822]],
70 mai: [[1.859936, 0.361191, 0], [-1.129382, 0.638812, 0], [0.219897, -0.000006, 1.089064]]
76 "xyY":function(xyz, kwArgs){
82 var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer);
83 var sum=xyz.X+xyz.Y+xyz.Z;
84 if(sum==0){ var x=wp.x, y=wp.y; }
85 else{ var x=xyz.X/sum, y=xyz.Y/sum; }
86 return { x:x, y:y, Y:xyz.Y };
88 "Lab":function(xyz, kwArgs){
95 var kappa=self.kappa(kwArgs.useApproximation), epsilon=self.epsilon(kwArgs.useApproximation);
96 var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer);
97 var xr=xyz.X/wp.x, yr=xyz.Y/wp.y, zr=xyz.z/wp.z;
98 var fx=(xr>epsilon)?Math.pow(xr,1/3):(kappa*xr+16)/116;
99 var fy=(yr>epsilon)?Math.pow(yr,1/3):(kappa*yr+16)/116;
100 var fz=(zr>epsilon)?Math.pow(zr,1/3):(kappa*zr+16)/116;
101 var L=116*fy-16, a=500*(fx-fy), b=200*(fy-fz);
102 return { L:L, a:a, b:b };
104 "Luv": function(xyz, kwArgs){
108 useApproximation:true
111 var kappa=self.kappa(kwArgs.useApproximation), epsilon=self.epsilon(kwArgs.useApproximation);
112 var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer);
113 var ud=(4*xyz.X)/(xyz.X+15*xyz.Y+3*xyz.Z);
114 var vd=(9*xyz.Y)/(xyz.X+15*xyz.Y+3*xyz.Z);
115 var udr=(4*wp.x)/(wp.x+15*wp.y+3*wp.z);
116 var vdr=(9*wp.y)/(wp.x+15*wp.y+3*wp.z);
118 var L=(yr>epsilon)?116*Math.pow(yr, 1/3)-16:kappa*yr;
121 return { L:L, u:u, v:v };
126 if(xyY.y==0){ var X=0, Y=0, Z=0; }
128 var X=(xyY.x*xyY.Y)/xyY.y;
130 var Z=((1-xyY.x-xyY.y)*xyY.Y)/xyY.y;
132 return { X:X, Y:Y, Z:Z };
136 "XYZ": function(lab, kwArgs){
140 useApproximation:true
143 var b=kwArgs.useApproximation, kappa=self.kappa(b), epsilon=self.epsilon(b);
144 var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer);
145 var yr=(lab.L>(kappa*epsilon))?Math.pow((lab.L+16)/116, 3):lab.L/kappa;
146 var fy=(yr>epsilon)?(lab.L+16)/116:(kappa*yr+16)/116;
147 var fx=(lab.a/500)+fy;
148 var fz=fy-(lab.b/200);
149 var fxcube=Math.pow(fx, 3), fzcube=Math.pow(fz, 3);
150 var xr=(fxcube>epsilon)?fxcube:(116*fx-16)/kappa;
151 var zr=(fzcube>epsilon)?fzcube:(116*fz-16)/kappa;
152 return { X: xr*wp.x, Y: yr*wp.y, Z: zr*wp.z };
154 "LCHab": function(lab){
155 var L=lab.L, C=Math.pow(lab.a*lab.a+lab.b*lab.b, 0.5), H=Math.atan(lab.b, lab.a)*(180/Math.PI);
158 return { L:L, C:C, H:H };
163 var hRad=lch.H*(Math.PI/180), L=lch.L, a=lch.C/Math.pow(Math.pow(Math.tan(hRad),2)+1, 0.5);
164 if(90<lchH && lch.H<270){ a = -a; }
165 var b=Math.pow(Math.pow(lch.C,2)-Math.pow(a, 2), 0.5);
166 if(lch.H>180){ b = -b; }
167 return { L: L, a:a, b:b };
171 "XYZ": function(Luv, kwArgs){
175 useApproximation:true
178 var b=kwArgs.useApproximation, kappa=self.kappa(b), epsilon=self.epsilon(b);
179 var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer);
180 var uz=(4*wp.x)/(wp.x+15*wp.y+3*wp.z);
181 var vz=(9*wp.y)/(wp.x+15*wp.y+3*wp.z);
182 var Y=(Luv.L>kappa*epsilon)?Math.pow((Luv.L+16)/116, 3):Luv.L/kappa;
183 var a=(1/3)*(((52*Luv.L)/(Luv.u+13*Luv.L*uz))-1);
184 var b=-5*Y, c=-(1/3), d=Y*(((39*Luv.L)/(Luv.v+13*Luv.L*vz))-5);
185 var X=(d-b)/(a-c), Z=X*a+b;
186 return { X:X, Y:Y, Z:Z };
188 "LCHuv": function(Luv){
189 var L=Luv.L, C=Math.pow(Luv.u*Luv.u+Luv.v*Luv*v, 0.5), H=Math.atan(Luv.v, Luv.u)*(180/Math.PI);
192 return { L:L, C:C, H:H };
196 "Luv": function(LCH){
197 var hRad=LCH.H*(Math.PI/180);
198 var L=LCH.L, u=LCH.C/Math.pow(Math.pow(Math.tan(hRad),2)+1, 0.5);
199 var v=Math.pow(LCH.C*LCH.C-u*u, 0.5);
200 if(90<LCH.H && LCH.H>270){ u*=-1; }
201 if(LCH.H>180){ v*=-1; }
202 return { L:L, u:u, v:v };
208 "CMYK":function(obj, kwArgs){ return dxc.fromCmy(obj).toCmyk(); },
209 "HSL":function(obj, kwArgs){ return dxc.fromCmy(obj).toHsl(); },
210 "HSV":function(obj, kwArgs){ return dxc.fromCmy(obj).toHsv(); },
211 "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](dxc.fromCmy(obj).toXYZ(kwArgs)); },
212 "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](converters["CMY"]["Lab"](obj)); },
213 "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](dxc.fromCmy(obj).toXYZ(kwArgs))); },
214 "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](dxc.fromCmy(obj).toXYZ(kwArgs)); },
215 "RGB":function(obj, kwArgs){ return dxc.fromCmy(obj); },
216 "XYZ":function(obj, kwArgs){ return dxc.fromCmy(obj).toXYZ(kwArgs); },
217 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromCmy(obj).toXYZ(kwArgs)); }
220 "CMY":function(obj, kwArgs){ return dxc.fromCmyk(obj).toCmy(); },
221 "HSL":function(obj, kwArgs){ return dxc.fromCmyk(obj).toHsl(); },
222 "HSV":function(obj, kwArgs){ return dxc.fromCmyk(obj).toHsv(); },
223 "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](dxc.fromCmyk(obj).toXYZ(kwArgs)); },
224 "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](converters["CMYK"]["Lab"](obj)); },
225 "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](dxc.fromCmyk(obj).toXYZ(kwArgs))); },
226 "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](dxc.fromCmyk(obj).toXYZ(kwArgs)); },
227 "RGB":function(obj, kwArgs){ return dxc.fromCmyk(obj); },
228 "XYZ":function(obj, kwArgs){ return dxc.fromCmyk(obj).toXYZ(kwArgs); },
229 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromCmyk(obj).toXYZ(kwArgs)); }
232 "CMY":function(obj, kwArgs){ return dxc.fromHsl(obj).toCmy(); },
233 "CMYK":function(obj, kwArgs){ return dxc.fromHsl(obj).toCmyk(); },
234 "HSV":function(obj, kwArgs){ return dxc.fromHsl(obj).toHsv(); },
235 "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](dxc.fromHsl(obj).toXYZ(kwArgs)); },
236 "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](converters["CMYK"]["Lab"](obj)); },
237 "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](dxc.fromHsl(obj).toXYZ(kwArgs))); },
238 "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](dxc.fromHsl(obj).toXYZ(kwArgs)); },
239 "RGB":function(obj, kwArgs){ return dxc.fromHsl(obj); },
240 "XYZ":function(obj, kwArgs){ return dxc.fromHsl(obj).toXYZ(kwArgs); },
241 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromHsl(obj).toXYZ(kwArgs)); }
244 "CMY":function(obj, kwArgs){ return dxc.fromHsv(obj).toCmy(); },
245 "CMYK":function(obj, kwArgs){ return dxc.fromHsv(obj).toCmyk(); },
246 "HSL":function(obj, kwArgs){ return dxc.fromHsv(obj).toHsl(); },
247 "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](dxc.fromHsv(obj).toXYZ(kwArgs)); },
248 "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](converters["CMYK"]["Lab"](obj)); },
249 "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](dxc.fromHsv(obj).toXYZ(kwArgs))); },
250 "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](dxc.fromHsv(obj).toXYZ(kwArgs)); },
251 "RGB":function(obj, kwArgs){ return dxc.fromHsv(obj); },
252 "XYZ":function(obj, kwArgs){ return dxc.fromHsv(obj).toXYZ(kwArgs); },
253 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromHsv(obj).toXYZ(kwArgs)); }
256 "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)).toCmy(); },
257 "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)).toCmyk(); },
258 "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)).toHsl(); },
259 "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)).toHsv(); },
260 "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](obj, kwArgs); },
261 "LCHuv":function(obj, kwArgs){ return cMaps["Luv"]["LCHuv"](cMaps["Lab"]["XYZ"](obj, kwArgs), kwArgs); },
262 "Luv":function(obj, kwArgs){ return cMaps["XYZ"]["Luv"](cMaps["Lab"]["XYZ"](obj, kwArgs), kwArgs); },
263 "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)); },
264 "XYZ":function(obj, kwArgs){ return cMaps["Lab"]["XYZ"](obj, kwArgs); },
265 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](cMaps["Lab"]["XYZ"](obj, kwArgs), kwArgs); }
268 "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs).toCmy(); },
269 "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs).toCmyk(); },
270 "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs).toHsl(); },
271 "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs).toHsv(); },
272 "Lab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](obj, kwArgs); },
273 "LCHuv":function(obj, kwArgs){ return cMaps["Luv"]["LCHuv"](cMaps["XYZ"]["Luv"](cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs), kwArgs);},
274 "Luv":function(obj, kwArgs){ return cMaps["XYZ"]["Luv"](cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs);},
275 "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs); },
276 "XYZ":function(obj, kwArgs){ return cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj, kwArgs), kwArgs); },
277 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs); }
280 "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs).toCmy(); },
281 "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs).toCmyk(); },
282 "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs).toHsl(); },
283 "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs).toHsv(); },
284 "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs); },
285 "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](cMaps["XYZ"]["Lab"](cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs), kwArgs); },
286 "Luv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](obj, kwArgs); },
287 "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs); },
288 "XYZ":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs); },
289 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs); },
292 "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs).toCmy(); },
293 "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs).toCmyk(); },
294 "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs).toHsl(); },
295 "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs).toHsv(); },
296 "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs); },
297 "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](cMaps["XYZ"]["Lab"](cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs), kwArgs); },
298 "LCHuv":function(obj, kwArgs){ return cMaps["Luv"]["LCHuv"](obj, kwArgs); },
299 "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs); },
300 "XYZ":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](obj, kwArgs); },
301 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs); },
304 "CMY":function(obj, kwArgs){ return obj.toCmy(); },
305 "CMYK":function(obj, kwArgs){ return obj.toCmyk(); },
306 "HSL":function(obj, kwArgs){ return obj.toHsl(); },
307 "HSV":function(obj, kwArgs){ return obj.toHsv(); },
308 "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](obj.toXYZ(kwArgs), kwArgs); },
309 "LCHab":function(obj, kwArgs){ return cMaps["LCHab"]["Lab"](cMaps["XYZ"]["Lab"](obj.toXYZ(kwArgs), kwArgs), kwArgs);},
310 "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["XYZ"]["Luv"](obj.toXYZ(kwArgs), kwArgs), kwArgs);},
311 "Luv":function(obj, kwArgs){ return cMaps["XYZ"]["Luv"](obj.toXYZ(kwArgs), kwArgs); },
312 "XYZ":function(obj, kwArgs){ return obj.toXYZ(kwArgs); },
313 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](obj.toXYZ(kwArgs), kwArgs); }
316 "CMY":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs).toCmy(); },
317 "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs).toCmyk(); },
318 "HSL":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs).toHsl(); },
319 "HSV":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs).toHsv(); },
320 "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](obj, kwArgs); },
321 "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](cMaps["XYZ"]["Lab"](obj, kwArgs), kwArgs); },
322 "LCHuv":function(obj, kwArgs){ return cMaps["Luv"]["LCHuv"](cMaps["XYZ"]["Luv"](obj, kwArgs), kwArgs); },
323 "Luv":function(obj, kwArgs){ return cMaps["XYZ"]["Luv"](obj, kwArgs); },
324 "RGB":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs); },
325 "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromXYZ(obj, kwArgs), kwArgs); }
327 // TODO: revisit this. xyY represents a single color, not a spectrum of colors.
329 "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs).toCmy(); },
330 "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs).toCmyk(); },
331 "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs).toHsl(); },
332 "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs).toHsv(); },
333 "Lab":function(obj, kwArgs){ return cMaps["Lab"]["XYZ"](cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs); },
334 "LCHab":function(obj, kwArgs){ return cMaps["LCHab"]["Lab"](cMaps["Lab"]["XYZ"](cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs), kwArgs); },
335 "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs), kwArgs); },
336 "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs); },
337 "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs); },
338 "XYZ":function(obj, kwArgs){ return cMaps["xyY"]["XYZ"](obj, kwArgs); }
342 this.whitepoint=function(/* String */wpName, /* String? */observer){
343 observer=observer||"10";
345 if(wpMap[observer] && wpMap[observer][wpName]){
346 x=wpMap[observer][wpName].x;
347 y=wpMap[observer][wpName].y;
348 t=wpMap[observer][wpName].t;
351 "dojox.color.Colorspace::whitepoint: either the observer or the whitepoint name was not found. ",
355 var wp={ x:x, y:y, z:(1-x-y), t:t, Y:1 };
356 return this.convert(wp, "xyY", "XYZ");
359 this.tempToWhitepoint=function(/* Number */t){
361 console.warn("dojox.color.Colorspace::tempToWhitepoint: can't find a white point for temperatures less than 4000K. (Passed ", t, ").");
365 console.warn("dojox.color.Colorspace::tempToWhitepoint: can't find a white point for temperatures greater than 25000K. (Passed ", t, ").");
368 var t1=t, t2=t*t, t3=t2*t;
369 var ten9=Math.pow(10, 9), ten6=Math.pow(10, 6), ten3=Math.pow(10,3);
371 var x=(-4.607*ten9/t3)+(2.9678*ten6/t2)+(0.09911*ten3/t)+0.2444063;
373 var x=(-2.0064*ten9/t3)+(1.9018*ten6/t2)+(0.24748*ten3/t)+0.23704;
375 var y=-3*x*x+2.87*x-0.275;
379 this.primaries=function(/* Object */kwArgs){
380 // mix in the defaults.
389 if(profiles[kwArgs.profile]){
390 m=profiles[kwArgs.profile].slice(0);
393 "dojox.color.Colorspace::primaries: the passed profile was not found. ",
394 "Available profiles include: ", profiles,
395 ". The profile passed was ", kwArgs.profile
400 gamma:m[0], whitepoint:m[1],
401 xr:m[2], yr:m[3], Yr:m[4],
402 xg:m[5], yg:m[6], Yg:m[7],
403 xb:m[8], yb:m[9], Yb:m[10]
406 // convert for the whitepoint
407 if(kwArgs.whitepoint!=primary.whitepoint){
410 color:this.convert({ x:xr, y:yr, Y:Yr }, "xyY", "XYZ"),
411 adaptor:kwArgs.adaptor,
412 source:primary.whitepoint,
413 destination:kwArgs.whitepoint
420 color:this.convert({ x:xg, y:yg, Y:Yg }, "xyY", "XYZ"),
421 adaptor:kwArgs.adaptor,
422 source:primary.whitepoint,
423 destination:kwArgs.whitepoint
430 color:this.convert({ x:xb, y:yb, Y:Yb }, "xyY", "XYZ"),
431 adaptor:kwArgs.adaptor,
432 source:primary.whitepoint,
433 destination:kwArgs.whitepoint
438 primary=dojo.mixin(primary, {
439 xr: r.x, yr: r.y, Yr: r.Y,
440 xg: g.x, yg: g.y, Yg: g.Y,
441 xb: b.x, yb: b.y, Yb: b.Y,
442 whitepoint: kwArgs.whitepoint
445 return dojo.mixin(primary, {
446 zr: 1-primary.xr-primary.yr,
447 zg: 1-primary.xg-primary.yg,
448 zb: 1-primary.xb-primary.yb
452 this.adapt=function(/* Object */kwArgs){
453 // color is required in the form of XYZ, source whitepoint name is required.
454 if(!kwArgs.color || !kwArgs.source){
455 console.error("dojox.color.Colorspace::adapt: color and source arguments are required. ", kwArgs);
465 var swp = this.whitepoint(kwArgs.source);
466 var dwp = this.whitepoint(kwArgs.destination);
467 if(adaptors[kwArgs.adaptor]){
468 var ma=adaptors[kwArgs.adaptor].ma;
469 var mai=adaptors[kwArgs.adaptor].mai;
471 console.warn("dojox.color.Colorspace::adapt: the passed adaptor '", kwArgs.adaptor, "' was not found.");
473 var dSrc=dxm.multiply([[swp.x, swp.y, swp.z]], ma);
474 var dDest=dxm.multiply([[dwp.x, dwp.y, dwp.z]], ma);
476 [dDest[0][0]/dSrc[0][0], 0, 0],
477 [0, dDest[0][1]/dSrc[0][1], 0],
478 [0, 0, dDest[0][2]/dSrc[0][2]]
480 var m=dxm.multiply(dxm.multiply(ma, center), mai);
481 var r=dxm.multiply([[ kwArgs.color.X, kwArgs.color.Y, kwArgs.color.Z ]], m)[0];
482 return { X:r[0], Y:r[1], Z:r[2] };
485 this.matrix=function(/* String */to, /* Object */primary){
486 var wp=this.whitepoint(primary.whitepoint);
487 var Xr = p.xr/p.yr, Yr = 1, Zr = (1-p.xr-p.yr)/p.yr;
488 var Xg = p.xg/p.yg, Yg = 1, Zg = (1-p.xg-p.yg)/p.yg;
489 var Xb = p.xb/p.yb, Yb = 1, Zr = (1-p.xb-p.yb)/p.yb;
491 var m1 = [[ Xr, Yr, Zr ], [ Xg, Yg, Zg ], [ Xb, Yb, Zb ]];
492 var m2 = [[ wp.X, wp.Y, wp.Z ]];
493 var sm = dojox.math.matrix.multiply(m2, dojox.math.matrix.inverse(m1));
494 var Sr = sm[0][0], Sg = sm[0][1], Sb = sm[0][2];
496 [Sr*Xr, Sr*Yr, Sr*Zr],
497 [Sg*Xg, Sg*Yg, Sg*Zg],
498 [Sb*Xb, Sb*Yb, Sb*Zb]
500 if(to=="RGB"){ return dojox.math.inverse(result); }
504 this.epsilon=function(/* bool? */useApprox){
505 return (useApprox || typeof(useApprox)=="undefined")? 0.008856: 216/24289;
507 this.kappa=function(/* bool? */useApprox){
508 return (useApprox || typeof(useApprox)=="undefined")? 903.3: 24389/27;
511 this.convert=function(/* Object */color, /* string */from, /* string */to, /* Object? */kwArgs){
512 if(converters[from] && converters[from][to]){
513 return converters[from][to](obj, kwArgs);
515 console.warn("dojox.color.Colorspace::convert: Can't convert ", color, " from ", from, " to ", to, ".");
519 // More dojox.color and dojox.color.Color extensions
520 dojo.mixin(dojox.color, {
521 fromXYZ: function(/* Object */xyz, /* Object?*/kwArgs){
523 var p=dojox.color.Colorspace.primaries(kwArgs);
524 var m=dojox.color.Colorspace.matrix("RGB", p);
525 var rgb=dojox.math.matrix.mutliply([[ xyz.X, xyz.Y, xyz.Z ]], m);
526 var r=rgb[0][0], g=rgb[0][1], b=rgb[0][2];
527 if(p.profile=="sRGB"){
528 var R = (r>0.0031308)?(1.055*Math.pow(r, 1/2.4))-0.055: 12.92*r;
529 var G = (g>0.0031308)?(1.055*Math.pow(g, 1/2.4))-0.055: 12.92*g;
530 var B = (b>0.0031308)?(1.055*Math.pow(b, 1/2.4))-0.055: 12.92*b;
532 var R=Math.pow(r, 1/p.gamma), G=Math.pow(g, 1/p.gamma), B=Math.pow(b, 1/p.gamma);
534 return new dojox.color.Color({ r:Math.floor(R*255), g:Math.floor(G*255), b:Math.floor(B*255) });
538 dojo.extend(dojox.color.Color, {
539 toXYZ: function(/* Object */kwArgs){
541 var p=dojox.color.Colorspace.primaries(kwArgs);
542 var m=dojox.color.Colorspace.matrix("XYZ", p);
543 var _r=this.r/255, _g=this.g/255, _b=this.b/255;
544 if(p.profile=="sRGB"){
545 var r=(_r>0.04045) ? Math.pow(((_r+0.055)/1.055), 2.4):_r/12.92;
546 var g=(_g>0.04045) ? Math.pow(((_g+0.055)/1.055), 2.4):_g/12.92;
547 var b=(_b>0.04045) ? Math.pow(((_b+0.055)/1.055), 2.4):_b/12.92;
549 var r=Math.pow(_r, p.gamma), g=Math.pow(_g, p.gamma), b=Math.pow(_b, p.gamma);
551 var xyz=dojox.math.matrix([[ r, g, b ]], m);
552 return { X: xyz[0][0], Y: xyz[0][1], Z: xyz[0][2] }; // Object