| New file |
|---|
| 0,0 → 1,62 |
|---|
| if(!dojo._hasResource["dojox.charting._color"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. |
| dojo._hasResource["dojox.charting._color"] = true; |
| dojo.provide("dojox.charting._color"); |
| |
| dojox.charting._color={}; |
| dojox.charting._color.fromHsb=function(/* int */hue, /* int */saturation, /* int */brightness){ |
| // summary |
| // Creates an instance of dojo.Color based on HSB input (360, %, %) |
| hue=Math.round(hue); |
| saturation=Math.round((saturation/100)*255); |
| brightness=Math.round((brightness/100)*255); |
| |
| var r, g, b; |
| if(saturation==0){ |
| r=g=b=brightness; |
| } else { |
| var tint1=brightness, |
| tint2=(255-saturation)*brightness/255, |
| tint3=(tint1-tint2)*(hue%60)/60; |
| if(hue<60){ r=tint1, g=tint2+tint3, b=tint2; } |
| else if(hue<120){ r=tint1-tint3, g=tint1, b=tint2; } |
| else if(hue<180){ r=tint2, g=tint1, b=tint2+tint3; } |
| else if(hue<240){ r=tint2, g=tint1-tint3, b=tint1; } |
| else if(hue<300){ r=tint2+tint3, g=tint2, b=tint1; } |
| else if(hue<360){ r=tint1, g=tint2, b=tint1-tint3; } |
| } |
| |
| r=Math.round(r); g=Math.round(g); b=Math.round(b); |
| return new dojo.Color({ r:r, g:g, b:b }); |
| }; |
| |
| dojox.charting._color.toHsb=function(/* int|Object|dojo.Color */ red, /* int? */ green, /* int? */blue){ |
| // summary |
| // Returns the color in HSB representation (360, %, %) |
| var r=red,g=green,b=blue; |
| if(dojo.isObject(red)){ |
| r=red.r,g=red.g,b=red.b; |
| } |
| var min=Math.min(r,g,b); |
| var max=Math.max(r,g,b); |
| var delta=max-min; |
| |
| var hue=0, saturation=(max!=0?delta/max:0), brightness=max/255; |
| if(saturation==0){ hue=0; } |
| else { |
| if(r==max){ hue=((max-b)/delta)-((max-g)/delta); } |
| else if(g==max){ hue=2+(((max-r)/delta)-((max-b)/delta)); } |
| else { hue=4+(((max-g)/delta)-((max-r)/delta)); } |
| hue/=6; |
| if(hue<0) hue++; |
| } |
| |
| hue=Math.round(hue*360); |
| saturation=Math.round(saturation*100); |
| brightness=Math.round(brightness*100); |
| return { |
| h:hue, s:saturation, b:brightness, |
| hue:hue, saturation:saturation, brightness:brightness |
| }; // Object |
| }; |
| |
| } |