| 2150 |
mathias |
1 |
if(!dojo._hasResource["dojox.charting._color"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
|
|
|
2 |
dojo._hasResource["dojox.charting._color"] = true;
|
|
|
3 |
dojo.provide("dojox.charting._color");
|
|
|
4 |
|
|
|
5 |
dojox.charting._color={};
|
|
|
6 |
dojox.charting._color.fromHsb=function(/* int */hue, /* int */saturation, /* int */brightness){
|
|
|
7 |
// summary
|
|
|
8 |
// Creates an instance of dojo.Color based on HSB input (360, %, %)
|
|
|
9 |
hue=Math.round(hue);
|
|
|
10 |
saturation=Math.round((saturation/100)*255);
|
|
|
11 |
brightness=Math.round((brightness/100)*255);
|
|
|
12 |
|
|
|
13 |
var r, g, b;
|
|
|
14 |
if(saturation==0){
|
|
|
15 |
r=g=b=brightness;
|
|
|
16 |
} else {
|
|
|
17 |
var tint1=brightness,
|
|
|
18 |
tint2=(255-saturation)*brightness/255,
|
|
|
19 |
tint3=(tint1-tint2)*(hue%60)/60;
|
|
|
20 |
if(hue<60){ r=tint1, g=tint2+tint3, b=tint2; }
|
|
|
21 |
else if(hue<120){ r=tint1-tint3, g=tint1, b=tint2; }
|
|
|
22 |
else if(hue<180){ r=tint2, g=tint1, b=tint2+tint3; }
|
|
|
23 |
else if(hue<240){ r=tint2, g=tint1-tint3, b=tint1; }
|
|
|
24 |
else if(hue<300){ r=tint2+tint3, g=tint2, b=tint1; }
|
|
|
25 |
else if(hue<360){ r=tint1, g=tint2, b=tint1-tint3; }
|
|
|
26 |
}
|
|
|
27 |
|
|
|
28 |
r=Math.round(r); g=Math.round(g); b=Math.round(b);
|
|
|
29 |
return new dojo.Color({ r:r, g:g, b:b });
|
|
|
30 |
};
|
|
|
31 |
|
|
|
32 |
dojox.charting._color.toHsb=function(/* int|Object|dojo.Color */ red, /* int? */ green, /* int? */blue){
|
|
|
33 |
// summary
|
|
|
34 |
// Returns the color in HSB representation (360, %, %)
|
|
|
35 |
var r=red,g=green,b=blue;
|
|
|
36 |
if(dojo.isObject(red)){
|
|
|
37 |
r=red.r,g=red.g,b=red.b;
|
|
|
38 |
}
|
|
|
39 |
var min=Math.min(r,g,b);
|
|
|
40 |
var max=Math.max(r,g,b);
|
|
|
41 |
var delta=max-min;
|
|
|
42 |
|
|
|
43 |
var hue=0, saturation=(max!=0?delta/max:0), brightness=max/255;
|
|
|
44 |
if(saturation==0){ hue=0; }
|
|
|
45 |
else {
|
|
|
46 |
if(r==max){ hue=((max-b)/delta)-((max-g)/delta); }
|
|
|
47 |
else if(g==max){ hue=2+(((max-r)/delta)-((max-b)/delta)); }
|
|
|
48 |
else { hue=4+(((max-g)/delta)-((max-r)/delta)); }
|
|
|
49 |
hue/=6;
|
|
|
50 |
if(hue<0) hue++;
|
|
|
51 |
}
|
|
|
52 |
|
|
|
53 |
hue=Math.round(hue*360);
|
|
|
54 |
saturation=Math.round(saturation*100);
|
|
|
55 |
brightness=Math.round(brightness*100);
|
|
|
56 |
return {
|
|
|
57 |
h:hue, s:saturation, b:brightness,
|
|
|
58 |
hue:hue, saturation:saturation, brightness:brightness
|
|
|
59 |
}; // Object
|
|
|
60 |
};
|
|
|
61 |
|
|
|
62 |
}
|