Subversion Repositories Applications.papyrus

if(!dojo._hasResource["dojox.color._base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.color._base"] = true;
dojo.provide("dojox.color._base");
dojo.require("dojo.colors");

//      alias all the dojo.Color mechanisms
dojox.color.Color=dojo.Color;
dojox.color.blend=dojo.blendColors;
dojox.color.fromRgb=dojo.colorFromRgb;
dojox.color.fromHex=dojo.colorFromHex;
dojox.color.fromArray=dojo.colorFromArray;
dojox.color.fromString=dojo.colorFromString;

//      alias the dojo.colors mechanisms
dojox.color.greyscale=dojo.colors.makeGrey;

//      static methods
dojo.mixin(dojox.color, {
        fromCmy: function(/* Object|Array|int */cyan, /*int*/magenta, /*int*/yellow){
                //      summary
                //      Create a dojox.color.Color from a CMY defined color.
                //      All colors should be expressed as 0-100 (percentage)

                if(dojo.isArray(cyan)){
                        magenta=cyan[1], yellow=cyan[2], cyan=cyan[0];
                } else if(dojo.isObject(cyan)){
                        magenta=cyan.m, yellow=cyan.y, cyan=cyan.c;
                }
                cyan/=100, magenta/=100, yellow/=100;

                var r=1-cyan, g=1-magenta, b=1-yellow;
                return new dojox.color.Color({ r:Math.round(r*255), g:Math.round(g*255), b:Math.round(b*255) });        //      dojox.color.Color
        },

        fromCmyk: function(/* Object|Array|int */cyan, /*int*/magenta, /*int*/yellow, /*int*/black){
                //      summary
                //      Create a dojox.color.Color from a CMYK defined color.
                //      All colors should be expressed as 0-100 (percentage)

                if(dojo.isArray(cyan)){
                        magenta=cyan[1], yellow=cyan[2], black=cyan[3], cyan=cyan[0];
                } else if(dojo.isObject(cyan)){
                        magenta=cyan.m, yellow=cyan.y, black=cyan.b, cyan=cyan.c;
                }
                cyan/=100, magenta/=100, yellow/=100, black/=100;
                var r,g,b;
                r = 1-Math.min(1, cyan*(1-black)+black);
                g = 1-Math.min(1, magenta*(1-black)+black);
                b = 1-Math.min(1, yellow*(1-black)+black);
                return new dojox.color.Color({ r:Math.round(r*255), g:Math.round(g*255), b:Math.round(b*255) });        //      dojox.color.Color
        },
        
        fromHsl: function(/* Object|Array|int */hue, /* int */saturation, /* int */luminosity){
                //      summary
                //      Create a dojox.color.Color from an HSL defined color.
                //      hue from 0-359 (degrees), saturation and luminosity 0-100.

                if(dojo.isArray(hue)){
                        saturation=hue[1], luminosity=hue[2], hue=hue[0];
                } else if(dojo.isObject(hue)){
                        saturation=hue.s, luminosity=hue.l, hue=hue.h;
                }
                saturation/=100;
                luminosity/=100;

                while(hue<0){ hue+=360; }
                while(hue>=360){ hue-=360; }
                
                var r, g, b;
                if(hue<120){
                        r=(120-hue)/60, g=hue/60, b=0;
                } else if (hue<240){
                        r=0, g=(240-hue)/60, b=(hue-120)/60;
                } else {
                        r=(hue-240)/60, g=0, b=(360-hue)/60;
                }
                
                r=2*saturation*Math.min(r, 1)+(1-saturation);
                g=2*saturation*Math.min(g, 1)+(1-saturation);
                b=2*saturation*Math.min(b, 1)+(1-saturation);
                if(luminosity<0.5){
                        r*=luminosity, g*=luminosity, b*=luminosity;
                }else{
                        r=(1-luminosity)*r+2*luminosity-1;
                        g=(1-luminosity)*g+2*luminosity-1;
                        b=(1-luminosity)*b+2*luminosity-1;
                }
                return new dojox.color.Color({ r:Math.round(r*255), g:Math.round(g*255), b:Math.round(b*255) });        //      dojox.color.Color
        },
        
        fromHsv: function(/* Object|Array|int */hue, /* int */saturation, /* int */value){
                //      summary
                //      Create a dojox.color.Color from an HSV defined color.
                //      hue from 0-359 (degrees), saturation and value 0-100.

                if(dojo.isArray(hue)){
                        saturation=hue[1], value=hue[2], hue=hue[0];
                } else if (dojo.isObject(hue)){
                        saturation=hue.s, value=hue.v, hue=hue.h;
                }
                
                if(hue==360){ hue=0; }
                saturation/=100;
                value/=100;
                
                var r, g, b;
                if(saturation==0){
                        r=value, b=value, g=value;
                }else{
                        var hTemp=hue/60, i=Math.floor(hTemp), f=hTemp-i;
                        var p=value*(1-saturation);
                        var q=value*(1-(saturation*f));
                        var t=value*(1-(saturation*(1-f)));
                        switch(i){
                                case 0:{ r=value, g=t, b=p; break; }
                                case 1:{ r=q, g=value, b=p; break; }
                                case 2:{ r=p, g=value, b=t; break; }
                                case 3:{ r=p, g=q, b=value; break; }
                                case 4:{ r=t, g=p, b=value; break; }
                                case 5:{ r=value, g=p, b=q; break; }
                        }
                }
                return new dojox.color.Color({ r:Math.round(r*255), g:Math.round(g*255), b:Math.round(b*255) });        //      dojox.color.Color
        }
});

//      Conversions directly on dojox.color.Color
dojo.extend(dojox.color.Color, {
        toCmy: function(){
                //      summary
                //      Convert this Color to a CMY definition.
                var cyan=1-(this.r/255), magenta=1-(this.g/255), yellow=1-(this.b/255);
                return { c:Math.round(cyan*100), m:Math.round(magenta*100), y:Math.round(yellow*100) };         //      Object
        },
        
        toCmyk: function(){
                //      summary
                //      Convert this Color to a CMYK definition.
                var cyan, magenta, yellow, black;
                var r=this.r/255, g=this.g/255, b=this.b/255;
                black = Math.min(1-r, 1-g, 1-b);
                cyan = (1-r-black)/(1-black);
                magenta = (1-g-black)/(1-black);
                yellow = (1-b-black)/(1-black);
                return { c:Math.round(cyan*100), m:Math.round(magenta*100), y:Math.round(yellow*100), b:Math.round(black*100) };        //      Object
        },
        
        toHsl: function(){
                //      summary
                //      Convert this Color to an HSL definition.
                var r=this.r/255, g=this.g/255, b=this.b/255;
                var min = Math.min(r, b, g), max = Math.max(r, g, b);
                var delta = max-min;
                var h=0, s=0, l=(min+max)/2;
                if(l>0 && l<1){
                        s = delta/((l<0.5)?(2*l):(2-2*l));
                }
                if(delta>0){
                        if(max==r && max!=g){
                                h+=(g-b)/delta;
                        }
                        if(max==g && max!=b){
                                h+=(2+(b-r)/delta);
                        }
                        if(max==b && max!=r){
                                h+=(4+(r-g)/delta);
                        }
                        h*=60;
                }
                return { h:h, s:Math.round(s*100), l:Math.round(l*100) };       //      Object
        },

        toHsv: function(){
                //      summary
                //      Convert this Color to an HSV definition.
                var r=this.r/255, g=this.g/255, b=this.b/255;
                var min = Math.min(r, b, g), max = Math.max(r, g, b);
                var delta = max-min;
                var h = null, s = (max==0)?0:(delta/max);
                if(s==0){
                        h = 0;
                }else{
                        if(r==max){
                                h = 60*(g-b)/delta;
                        }else if(g==max){
                                h = 120 + 60*(b-r)/delta;
                        }else{
                                h = 240 + 60*(r-g)/delta;
                        }

                        if(h<0){ h+=360; }
                }
                return { h:h, s:Math.round(s*100), v:Math.round(max*100) };     //      Object
        }
});

}