From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001 From: mensonge Date: Thu, 13 Nov 2008 09:49:11 +0000 Subject: New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f --- includes/js/dojox/color/Colorspace.js | 556 ++++++++++++++++++++++++++++++++++ 1 file changed, 556 insertions(+) create mode 100644 includes/js/dojox/color/Colorspace.js (limited to 'includes/js/dojox/color/Colorspace.js') diff --git a/includes/js/dojox/color/Colorspace.js b/includes/js/dojox/color/Colorspace.js new file mode 100644 index 0000000..b40b06d --- /dev/null +++ b/includes/js/dojox/color/Colorspace.js @@ -0,0 +1,556 @@ +if(!dojo._hasResource["dojox.color.Colorspace"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojox.color.Colorspace"] = true; +dojo.provide("dojox.color.Colorspace"); +dojo.require("dojox.math.matrix"); + +dojox.color.Colorspace=new (function(){ + var dxc=dojox.color; + var dxm=dojox.math.matrix; + var self=this; + var wpMap={ + "2":{ + "E": { x:1/3, y:1/3, t:5400 }, + "D50": { x:0.34567, y:0.3585, t:5000 }, + "D55": { x:0.33242, y:0.34743, t:5500 }, + "D65": { x:0.31271, y:0.32902, t:6500 }, + "D75": { x:0.29902, y:0.31485, t:7500 }, + "A": { x:0.44757, y:0.40745, t:2856 }, + "B": { x:0.34842, y:0.35161, t:4874 }, + "C": { x:0.31006, y:0.31616, t:6774 }, + "9300": { x:0.2848, y:0.2932, t:9300 }, + "F2": { x:0.37207, y:0.37512, t:4200 }, + "F7": { x:0.31285, y:0.32918, t:6500 }, + "F11": { x:0.38054, y:0.37691, t:4000 } + }, + "10":{ + "E": { x:1/3, y:1/3, t:5400 }, + "D50": { x:0.34773, y:0.35952, t:5000 }, + "D55": { x:0.33411, y:0.34877, t:5500 }, + "D65": { x:0.31382, y:0.331, t:6500 }, + "D75": { x:0.29968, y:0.3174, t:7500 }, + "A": { x:0.45117, y:0.40594, t:2856 }, + "B": { x:0.3498, y:0.3527, t:4874 }, + "C": { x:0.31039, y:0.31905, t:6774 }, + "F2": { x:0.37928, y:0.36723, t:4200 }, + "F7": { x:0.31565, y:0.32951, t:6500 }, + "F11": { x:0.38543, y:0.3711, t:4000 } + } + }; + + var profiles={ + "Adobe RGB 98":[2.2, "D65", 0.64, 0.33, 0.297361, 0.21, 0.71, 0.627355, 0.15, 0.06, 0.075285], + "Apple RGB":[1.8, "D65", 0.625, 0.34, 0.244634, 0.28, 0.595, 0.672034, 0.155, 0.07, 0.083332], + "Best RGB":[2.2, "D50", 0.7347, 0.2653, 0.228457, 0.215, 0.775, 0.737352, 0.13, 0.035, 0.034191], + "Beta RGB":[2.2, "D50", 0.6888, 0.3112, 0.303273, 0.1986, 0.7551, 0.663786, 0.1265, 0.0352, 0.032941], + "Bruce RGB":[2.2, "D65", 0.64, 0.33, 0.240995, 0.28, 0.65, 0.683554, 0.15, 0.06, 0.075452], + "CIE RGB":[2.2, "E", 0.735, 0.265, 0.176204, 0.274, 0.717, 0.812985, 0.167, 0.009, 0.010811], + "ColorMatch RGB":[1.8, "D50", 0.63, 0.34, 0.274884, 0.295, 0.605, 0.658132, 0.15, 0.075, 0.066985], + "DON RGB 4":[2.2, "D50", 0.696, 0.3, 0.27835, 0.215, 0.765, 0.68797, 0.13, 0.035, 0.03368], + "ECI RGB":[1.8, "D50", 0.67, 0.33, 0.32025, 0.21, 0.71, 0.602071, 0.14, 0.08, 0.077679], + "EktaSpace PS5":[2.2, "D50", 0.695, 0.305, 0.260629, 0.26, 0.7, 0.734946, 0.11, 0.005, 0.004425], + "NTSC RGB":[2.2, "C", 0.67, 0.33, 0.298839, 0.21, 0.71, 0.586811, 0.14, 0.08, 0.11435], + "PAL/SECAM RGB":[2.2, "D65", 0.64, 0.33, 0.222021, 0.29, 0.6, 0.706645, 0.15, 0.06, 0.071334], + "Pro Photo RGB":[1.8, "D50", 0.7347, 0.2653, 0.28804, 0.1596, 0.8404, 0.711874, 0.0366, 0.0001, 0.000086], + "SMPTE/C RGB":[2.2, "D65", 0.63, 0.34, 0.212395, 0.31, 0.595, 0.701049, 0.155, 0.07, 0.086556], + "sRGB":[2.2, "D65", 0.64, 0.33, 0.212656, 0.3, 0.6, 0.715158, 0.15, 0.06, 0.072186], + "Wide Gamut RGB":[2.2, "D50", 0.735, 0.265, 0.258187, 0.115, 0.826, 0.724938, 0.157, 0.018, 0.016875] + }; + + var adaptors={ + "XYZ scaling":{ + ma: [[1,0,0], [0,1,0], [0,0,1]], + mai: [[1,0,0], [0,1,0], [0,0,1]] + }, + "Bradford":{ + ma: [[0.8951, -0.7502, 0.0389], [0.2664, 1.7135, -0.0685], [-0.1614, 0.0367, 1.0296]], + mai: [[0.986993, 0.432305, -0.008529], [-0.147054, 0.51836, 0.040043], [0.159963, 0.049291, 0.968487]] + }, + "Von Kries":{ + ma: [[0.40024, -0.2263, 0], [0.7076, 1.16532, 0], [-0.08081, 0.0457, 0.91822]], + mai: [[1.859936, 0.361191, 0], [-1.129382, 0.638812, 0], [0.219897, -0.000006, 1.089064]] + } + }; + + var cMaps={ + "XYZ":{ + "xyY":function(xyz, kwArgs){ + kwArgs=dojo.mixin({ + whitepoint:"D65", + observer:"10", + useApproximation:true + }, kwArgs||{}); + var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer); + var sum=xyz.X+xyz.Y+xyz.Z; + if(sum==0){ var x=wp.x, y=wp.y; } + else{ var x=xyz.X/sum, y=xyz.Y/sum; } + return { x:x, y:y, Y:xyz.Y }; + }, + "Lab":function(xyz, kwArgs){ + kwArgs=dojo.mixin({ + whitepoint:"D65", + observer:"10", + useApproximation:true + }, kwArgs||{}); + + var kappa=self.kappa(kwArgs.useApproximation), epsilon=self.epsilon(kwArgs.useApproximation); + var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer); + var xr=xyz.X/wp.x, yr=xyz.Y/wp.y, zr=xyz.z/wp.z; + var fx=(xr>epsilon)?Math.pow(xr,1/3):(kappa*xr+16)/116; + var fy=(yr>epsilon)?Math.pow(yr,1/3):(kappa*yr+16)/116; + var fz=(zr>epsilon)?Math.pow(zr,1/3):(kappa*zr+16)/116; + var L=116*fy-16, a=500*(fx-fy), b=200*(fy-fz); + return { L:L, a:a, b:b }; + }, + "Luv": function(xyz, kwArgs){ + kwArgs=dojo.mixin({ + whitepoint:"D65", + observer:"10", + useApproximation:true + }, kwArgs||{}); + + var kappa=self.kappa(kwArgs.useApproximation), epsilon=self.epsilon(kwArgs.useApproximation); + var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer); + var ud=(4*xyz.X)/(xyz.X+15*xyz.Y+3*xyz.Z); + var vd=(9*xyz.Y)/(xyz.X+15*xyz.Y+3*xyz.Z); + var udr=(4*wp.x)/(wp.x+15*wp.y+3*wp.z); + var vdr=(9*wp.y)/(wp.x+15*wp.y+3*wp.z); + var yr=xyz.Y/wp.y; + var L=(yr>epsilon)?116*Math.pow(yr, 1/3)-16:kappa*yr; + var u=13*L*(ud-udr); + var v=13*L*(vd-vdr); + return { L:L, u:u, v:v }; + } + }, + "xyY":{ + "XYZ":function(xyY){ + if(xyY.y==0){ var X=0, Y=0, Z=0; } + else{ + var X=(xyY.x*xyY.Y)/xyY.y; + var Y=xyY.Y; + var Z=((1-xyY.x-xyY.y)*xyY.Y)/xyY.y; + } + return { X:X, Y:Y, Z:Z }; + } + }, + "Lab":{ + "XYZ": function(lab, kwArgs){ + kwArgs=dojo.mixin({ + whitepoint:"D65", + observer:"10", + useApproximation:true + }, kwArgs||{}); + + var b=kwArgs.useApproximation, kappa=self.kappa(b), epsilon=self.epsilon(b); + var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer); + var yr=(lab.L>(kappa*epsilon))?Math.pow((lab.L+16)/116, 3):lab.L/kappa; + var fy=(yr>epsilon)?(lab.L+16)/116:(kappa*yr+16)/116; + var fx=(lab.a/500)+fy; + var fz=fy-(lab.b/200); + var fxcube=Math.pow(fx, 3), fzcube=Math.pow(fz, 3); + var xr=(fxcube>epsilon)?fxcube:(116*fx-16)/kappa; + var zr=(fzcube>epsilon)?fzcube:(116*fz-16)/kappa; + return { X: xr*wp.x, Y: yr*wp.y, Z: zr*wp.z }; + }, + "LCHab": function(lab){ + 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); + if(H<0){ H+=360; } + if(H<360){ H-=360; } + return { L:L, C:C, H:H }; + } + }, + "LCHab":{ + "Lab":function(lch){ + var hRad=lch.H*(Math.PI/180), L=lch.L, a=lch.C/Math.pow(Math.pow(Math.tan(hRad),2)+1, 0.5); + if(90180){ b = -b; } + return { L: L, a:a, b:b }; + } + }, + "Luv":{ + "XYZ": function(Luv, kwArgs){ + kwArgs=dojo.mixin({ + whitepoint:"D65", + observer:"10", + useApproximation:true + }, kwArgs||{}); + + var b=kwArgs.useApproximation, kappa=self.kappa(b), epsilon=self.epsilon(b); + var wp=self.whitepoint(kwArgs.whitepoint, kwArgs.observer); + var uz=(4*wp.x)/(wp.x+15*wp.y+3*wp.z); + var vz=(9*wp.y)/(wp.x+15*wp.y+3*wp.z); + var Y=(Luv.L>kappa*epsilon)?Math.pow((Luv.L+16)/116, 3):Luv.L/kappa; + var a=(1/3)*(((52*Luv.L)/(Luv.u+13*Luv.L*uz))-1); + var b=-5*Y, c=-(1/3), d=Y*(((39*Luv.L)/(Luv.v+13*Luv.L*vz))-5); + var X=(d-b)/(a-c), Z=X*a+b; + return { X:X, Y:Y, Z:Z }; + }, + "LCHuv": function(Luv){ + 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); + if(H<0){ H+=360; } + if(H>360){ H-=360; } + return { L:L, C:C, H:H }; + } + }, + "LCHuv":{ + "Luv": function(LCH){ + var hRad=LCH.H*(Math.PI/180); + var L=LCH.L, u=LCH.C/Math.pow(Math.pow(Math.tan(hRad),2)+1, 0.5); + var v=Math.pow(LCH.C*LCH.C-u*u, 0.5); + if(90270){ u*=-1; } + if(LCH.H>180){ v*=-1; } + return { L:L, u:u, v:v }; + } + } + }; + var converters={ + "CMY":{ + "CMYK":function(obj, kwArgs){ return dxc.fromCmy(obj).toCmyk(); }, + "HSL":function(obj, kwArgs){ return dxc.fromCmy(obj).toHsl(); }, + "HSV":function(obj, kwArgs){ return dxc.fromCmy(obj).toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](dxc.fromCmy(obj).toXYZ(kwArgs)); }, + "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](converters["CMY"]["Lab"](obj)); }, + "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](dxc.fromCmy(obj).toXYZ(kwArgs))); }, + "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](dxc.fromCmy(obj).toXYZ(kwArgs)); }, + "RGB":function(obj, kwArgs){ return dxc.fromCmy(obj); }, + "XYZ":function(obj, kwArgs){ return dxc.fromCmy(obj).toXYZ(kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromCmy(obj).toXYZ(kwArgs)); } + }, + "CMYK":{ + "CMY":function(obj, kwArgs){ return dxc.fromCmyk(obj).toCmy(); }, + "HSL":function(obj, kwArgs){ return dxc.fromCmyk(obj).toHsl(); }, + "HSV":function(obj, kwArgs){ return dxc.fromCmyk(obj).toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](dxc.fromCmyk(obj).toXYZ(kwArgs)); }, + "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](converters["CMYK"]["Lab"](obj)); }, + "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](dxc.fromCmyk(obj).toXYZ(kwArgs))); }, + "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](dxc.fromCmyk(obj).toXYZ(kwArgs)); }, + "RGB":function(obj, kwArgs){ return dxc.fromCmyk(obj); }, + "XYZ":function(obj, kwArgs){ return dxc.fromCmyk(obj).toXYZ(kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromCmyk(obj).toXYZ(kwArgs)); } + }, + "HSL":{ + "CMY":function(obj, kwArgs){ return dxc.fromHsl(obj).toCmy(); }, + "CMYK":function(obj, kwArgs){ return dxc.fromHsl(obj).toCmyk(); }, + "HSV":function(obj, kwArgs){ return dxc.fromHsl(obj).toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](dxc.fromHsl(obj).toXYZ(kwArgs)); }, + "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](converters["CMYK"]["Lab"](obj)); }, + "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](dxc.fromHsl(obj).toXYZ(kwArgs))); }, + "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](dxc.fromHsl(obj).toXYZ(kwArgs)); }, + "RGB":function(obj, kwArgs){ return dxc.fromHsl(obj); }, + "XYZ":function(obj, kwArgs){ return dxc.fromHsl(obj).toXYZ(kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromHsl(obj).toXYZ(kwArgs)); } + }, + "HSV":{ + "CMY":function(obj, kwArgs){ return dxc.fromHsv(obj).toCmy(); }, + "CMYK":function(obj, kwArgs){ return dxc.fromHsv(obj).toCmyk(); }, + "HSL":function(obj, kwArgs){ return dxc.fromHsv(obj).toHsl(); }, + "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](dxc.fromHsv(obj).toXYZ(kwArgs)); }, + "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](converters["CMYK"]["Lab"](obj)); }, + "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](dxc.fromHsv(obj).toXYZ(kwArgs))); }, + "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](dxc.fromHsv(obj).toXYZ(kwArgs)); }, + "RGB":function(obj, kwArgs){ return dxc.fromHsv(obj); }, + "XYZ":function(obj, kwArgs){ return dxc.fromHsv(obj).toXYZ(kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromHsv(obj).toXYZ(kwArgs)); } + }, + "Lab":{ + "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)).toCmy(); }, + "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)).toCmyk(); }, + "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)).toHsl(); }, + "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)).toHsv(); }, + "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](obj, kwArgs); }, + "LCHuv":function(obj, kwArgs){ return cMaps["Luv"]["LCHuv"](cMaps["Lab"]["XYZ"](obj, kwArgs), kwArgs); }, + "Luv":function(obj, kwArgs){ return cMaps["XYZ"]["Luv"](cMaps["Lab"]["XYZ"](obj, kwArgs), kwArgs); }, + "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](obj, kwArgs)); }, + "XYZ":function(obj, kwArgs){ return cMaps["Lab"]["XYZ"](obj, kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](cMaps["Lab"]["XYZ"](obj, kwArgs), kwArgs); } + }, + "LCHab":{ + "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs).toCmy(); }, + "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs).toCmyk(); }, + "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs).toHsl(); }, + "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs).toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](obj, kwArgs); }, + "LCHuv":function(obj, kwArgs){ return cMaps["Luv"]["LCHuv"](cMaps["XYZ"]["Luv"](cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs), kwArgs);}, + "Luv":function(obj, kwArgs){ return cMaps["XYZ"]["Luv"](cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs);}, + "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs); }, + "XYZ":function(obj, kwArgs){ return cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj, kwArgs), kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](cMaps["Lab"]["XYZ"](cMaps["LCHab"]["Lab"](obj), kwArgs), kwArgs); } + }, + "LCHuv":{ + "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs).toCmy(); }, + "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs).toCmyk(); }, + "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs).toHsl(); }, + "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs).toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs); }, + "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](cMaps["XYZ"]["Lab"](cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs), kwArgs); }, + "Luv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](obj, kwArgs); }, + "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs); }, + "XYZ":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](cMaps["Luv"]["XYZ"](cMaps["LCHuv"]["Luv"](obj), kwArgs), kwArgs); }, + }, + "Luv":{ + "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs).toCmy(); }, + "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs).toCmyk(); }, + "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs).toHsl(); }, + "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs).toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs); }, + "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](cMaps["XYZ"]["Lab"](cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs), kwArgs); }, + "LCHuv":function(obj, kwArgs){ return cMaps["Luv"]["LCHuv"](obj, kwArgs); }, + "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs); }, + "XYZ":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](obj, kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](cMaps["Luv"]["XYZ"](obj, kwArgs), kwArgs); }, + }, + "RGB":{ + "CMY":function(obj, kwArgs){ return obj.toCmy(); }, + "CMYK":function(obj, kwArgs){ return obj.toCmyk(); }, + "HSL":function(obj, kwArgs){ return obj.toHsl(); }, + "HSV":function(obj, kwArgs){ return obj.toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](obj.toXYZ(kwArgs), kwArgs); }, + "LCHab":function(obj, kwArgs){ return cMaps["LCHab"]["Lab"](cMaps["XYZ"]["Lab"](obj.toXYZ(kwArgs), kwArgs), kwArgs);}, + "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["XYZ"]["Luv"](obj.toXYZ(kwArgs), kwArgs), kwArgs);}, + "Luv":function(obj, kwArgs){ return cMaps["XYZ"]["Luv"](obj.toXYZ(kwArgs), kwArgs); }, + "XYZ":function(obj, kwArgs){ return obj.toXYZ(kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](obj.toXYZ(kwArgs), kwArgs); } + }, + "XYZ":{ + "CMY":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs).toCmy(); }, + "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs).toCmyk(); }, + "HSL":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs).toHsl(); }, + "HSV":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs).toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["XYZ"]["Lab"](obj, kwArgs); }, + "LCHab":function(obj, kwArgs){ return cMaps["Lab"]["LCHab"](cMaps["XYZ"]["Lab"](obj, kwArgs), kwArgs); }, + "LCHuv":function(obj, kwArgs){ return cMaps["Luv"]["LCHuv"](cMaps["XYZ"]["Luv"](obj, kwArgs), kwArgs); }, + "Luv":function(obj, kwArgs){ return cMaps["XYZ"]["Luv"](obj, kwArgs); }, + "RGB":function(obj, kwArgs){ return dxc.fromXYZ(obj, kwArgs); }, + "xyY":function(obj, kwArgs){ return cMaps["XYZ"]["xyY"](dxc.fromXYZ(obj, kwArgs), kwArgs); } + }, + // TODO: revisit this. xyY represents a single color, not a spectrum of colors. + "xyY":{ + "CMY":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs).toCmy(); }, + "CMYK":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs).toCmyk(); }, + "HSL":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs).toHsl(); }, + "HSV":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs).toHsv(); }, + "Lab":function(obj, kwArgs){ return cMaps["Lab"]["XYZ"](cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs); }, + "LCHab":function(obj, kwArgs){ return cMaps["LCHab"]["Lab"](cMaps["Lab"]["XYZ"](cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs), kwArgs); }, + "LCHuv":function(obj, kwArgs){ return cMaps["LCHuv"]["Luv"](cMaps["Luv"]["XYZ"](cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs), kwArgs); }, + "Luv":function(obj, kwArgs){ return cMaps["Luv"]["XYZ"](cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs); }, + "RGB":function(obj, kwArgs){ return dxc.fromXYZ(cMaps["xyY"]["XYZ"](obj, kwArgs), kwArgs); }, + "XYZ":function(obj, kwArgs){ return cMaps["xyY"]["XYZ"](obj, kwArgs); } + } + }; + + this.whitepoint=function(/* String */wpName, /* String? */observer){ + observer=observer||"10"; + var x=0, y=0, t=0; + if(wpMap[observer] && wpMap[observer][wpName]){ + x=wpMap[observer][wpName].x; + y=wpMap[observer][wpName].y; + t=wpMap[observer][wpName].t; + } else { + console.warn( + "dojox.color.Colorspace::whitepoint: either the observer or the whitepoint name was not found. ", + observer, wpName + ); + } + var wp={ x:x, y:y, z:(1-x-y), t:t, Y:1 }; + return this.convert(wp, "xyY", "XYZ"); + }; + + this.tempToWhitepoint=function(/* Number */t){ + if(t<4000){ + console.warn("dojox.color.Colorspace::tempToWhitepoint: can't find a white point for temperatures less than 4000K. (Passed ", t, ")."); + return { x:0, y:0 }; + } + if(t>25000){ + console.warn("dojox.color.Colorspace::tempToWhitepoint: can't find a white point for temperatures greater than 25000K. (Passed ", t, ")."); + return { x:0, y:0 }; + } + var t1=t, t2=t*t, t3=t2*t; + var ten9=Math.pow(10, 9), ten6=Math.pow(10, 6), ten3=Math.pow(10,3); + if(t<=7000){ + var x=(-4.607*ten9/t3)+(2.9678*ten6/t2)+(0.09911*ten3/t)+0.2444063; + } else { + var x=(-2.0064*ten9/t3)+(1.9018*ten6/t2)+(0.24748*ten3/t)+0.23704; + } + var y=-3*x*x+2.87*x-0.275; + return { x:x, y:y }; + }; + + this.primaries=function(/* Object */kwArgs){ + // mix in the defaults. + kwArgs=dojo.mixin({ + profile:"sRGB", + whitepoint:"D65", + observer:"10", + adaptor:"Bradford" + }, kwArgs||{}); + + var m=[]; + if(profiles[kwArgs.profile]){ + m=profiles[kwArgs.profile].slice(0); + } else { + console.warn( + "dojox.color.Colorspace::primaries: the passed profile was not found. ", + "Available profiles include: ", profiles, + ". The profile passed was ", kwArgs.profile + ); + } + var primary={ + name:kwArgs.profile, + gamma:m[0], whitepoint:m[1], + xr:m[2], yr:m[3], Yr:m[4], + xg:m[5], yg:m[6], Yg:m[7], + xb:m[8], yb:m[9], Yb:m[10] + }; + + // convert for the whitepoint + if(kwArgs.whitepoint!=primary.whitepoint){ + var r=this.convert( + this.adapt({ + color:this.convert({ x:xr, y:yr, Y:Yr }, "xyY", "XYZ"), + adaptor:kwArgs.adaptor, + source:primary.whitepoint, + destination:kwArgs.whitepoint + }), + "XYZ", + "xyY" + ); + var g=this.convert( + this.adapt({ + color:this.convert({ x:xg, y:yg, Y:Yg }, "xyY", "XYZ"), + adaptor:kwArgs.adaptor, + source:primary.whitepoint, + destination:kwArgs.whitepoint + }), + "XYZ", + "xyY" + ); + var b=this.convert( + this.adapt({ + color:this.convert({ x:xb, y:yb, Y:Yb }, "xyY", "XYZ"), + adaptor:kwArgs.adaptor, + source:primary.whitepoint, + destination:kwArgs.whitepoint + }), + "XYZ", + "xyY" + ); + primary=dojo.mixin(primary, { + xr: r.x, yr: r.y, Yr: r.Y, + xg: g.x, yg: g.y, Yg: g.Y, + xb: b.x, yb: b.y, Yb: b.Y, + whitepoint: kwArgs.whitepoint + }); + } + return dojo.mixin(primary, { + zr: 1-primary.xr-primary.yr, + zg: 1-primary.xg-primary.yg, + zb: 1-primary.xb-primary.yb + }); // Object + }; + + this.adapt=function(/* Object */kwArgs){ + // color is required in the form of XYZ, source whitepoint name is required. + if(!kwArgs.color || !kwArgs.source){ + console.error("dojox.color.Colorspace::adapt: color and source arguments are required. ", kwArgs); + } + + // defaults + kwArgs=dojo.mixin({ + adaptor:"Bradford", + destination:"D65" + }, kwArgs); + + // adapt + var swp = this.whitepoint(kwArgs.source); + var dwp = this.whitepoint(kwArgs.destination); + if(adaptors[kwArgs.adaptor]){ + var ma=adaptors[kwArgs.adaptor].ma; + var mai=adaptors[kwArgs.adaptor].mai; + }else{ + console.warn("dojox.color.Colorspace::adapt: the passed adaptor '", kwArgs.adaptor, "' was not found."); + } + var dSrc=dxm.multiply([[swp.x, swp.y, swp.z]], ma); + var dDest=dxm.multiply([[dwp.x, dwp.y, dwp.z]], ma); + var center=[ + [dDest[0][0]/dSrc[0][0], 0, 0], + [0, dDest[0][1]/dSrc[0][1], 0], + [0, 0, dDest[0][2]/dSrc[0][2]] + ]; + var m=dxm.multiply(dxm.multiply(ma, center), mai); + var r=dxm.multiply([[ kwArgs.color.X, kwArgs.color.Y, kwArgs.color.Z ]], m)[0]; + return { X:r[0], Y:r[1], Z:r[2] }; + }; + + this.matrix=function(/* String */to, /* Object */primary){ + var wp=this.whitepoint(primary.whitepoint); + var Xr = p.xr/p.yr, Yr = 1, Zr = (1-p.xr-p.yr)/p.yr; + var Xg = p.xg/p.yg, Yg = 1, Zg = (1-p.xg-p.yg)/p.yg; + var Xb = p.xb/p.yb, Yb = 1, Zr = (1-p.xb-p.yb)/p.yb; + + var m1 = [[ Xr, Yr, Zr ], [ Xg, Yg, Zg ], [ Xb, Yb, Zb ]]; + var m2 = [[ wp.X, wp.Y, wp.Z ]]; + var sm = dojox.math.matrix.multiply(m2, dojox.math.matrix.inverse(m1)); + var Sr = sm[0][0], Sg = sm[0][1], Sb = sm[0][2]; + var result=[ + [Sr*Xr, Sr*Yr, Sr*Zr], + [Sg*Xg, Sg*Yg, Sg*Zg], + [Sb*Xb, Sb*Yb, Sb*Zb] + ]; + if(to=="RGB"){ return dojox.math.inverse(result); } + return result; + }; + + this.epsilon=function(/* bool? */useApprox){ + return (useApprox || typeof(useApprox)=="undefined")? 0.008856: 216/24289; + }; + this.kappa=function(/* bool? */useApprox){ + return (useApprox || typeof(useApprox)=="undefined")? 903.3: 24389/27; + }; + + this.convert=function(/* Object */color, /* string */from, /* string */to, /* Object? */kwArgs){ + if(converters[from] && converters[from][to]){ + return converters[from][to](obj, kwArgs); + } + console.warn("dojox.color.Colorspace::convert: Can't convert ", color, " from ", from, " to ", to, "."); + }; +})(); + +// More dojox.color and dojox.color.Color extensions +dojo.mixin(dojox.color, { + fromXYZ: function(/* Object */xyz, /* Object?*/kwArgs){ + kwArgs=kwArgs||{}; + var p=dojox.color.Colorspace.primaries(kwArgs); + var m=dojox.color.Colorspace.matrix("RGB", p); + var rgb=dojox.math.matrix.mutliply([[ xyz.X, xyz.Y, xyz.Z ]], m); + var r=rgb[0][0], g=rgb[0][1], b=rgb[0][2]; + if(p.profile=="sRGB"){ + var R = (r>0.0031308)?(1.055*Math.pow(r, 1/2.4))-0.055: 12.92*r; + var G = (g>0.0031308)?(1.055*Math.pow(g, 1/2.4))-0.055: 12.92*g; + var B = (b>0.0031308)?(1.055*Math.pow(b, 1/2.4))-0.055: 12.92*b; + }else{ + var R=Math.pow(r, 1/p.gamma), G=Math.pow(g, 1/p.gamma), B=Math.pow(b, 1/p.gamma); + } + return new dojox.color.Color({ r:Math.floor(R*255), g:Math.floor(G*255), b:Math.floor(B*255) }); + } +}); + +dojo.extend(dojox.color.Color, { + toXYZ: function(/* Object */kwArgs){ + kwArgs=kwArgs||{}; + var p=dojox.color.Colorspace.primaries(kwArgs); + var m=dojox.color.Colorspace.matrix("XYZ", p); + var _r=this.r/255, _g=this.g/255, _b=this.b/255; + if(p.profile=="sRGB"){ + var r=(_r>0.04045) ? Math.pow(((_r+0.055)/1.055), 2.4):_r/12.92; + var g=(_g>0.04045) ? Math.pow(((_g+0.055)/1.055), 2.4):_g/12.92; + var b=(_b>0.04045) ? Math.pow(((_b+0.055)/1.055), 2.4):_b/12.92; + } else { + var r=Math.pow(_r, p.gamma), g=Math.pow(_g, p.gamma), b=Math.pow(_b, p.gamma); + } + var xyz=dojox.math.matrix([[ r, g, b ]], m); + return { X: xyz[0][0], Y: xyz[0][1], Z: xyz[0][2] }; // Object + } +}); + +} -- cgit v1.2.3