aboutsummaryrefslogtreecommitdiff
path: root/includes/js/dojox/charting/_color.js
diff options
context:
space:
mode:
Diffstat (limited to 'includes/js/dojox/charting/_color.js')
-rw-r--r--includes/js/dojox/charting/_color.js62
1 files changed, 62 insertions, 0 deletions
diff --git a/includes/js/dojox/charting/_color.js b/includes/js/dojox/charting/_color.js
new file mode 100644
index 0000000..7fe2947
--- /dev/null
+++ b/includes/js/dojox/charting/_color.js
@@ -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
+};
+
+}