bs_colorutil.lib.js

在线电子表格SpreadSheet 在线电子表格SpreadSheet

/********************************************************************************************
* BlueShoes Framework; This file is part of the php application framework.
* NOTE: This code is stripped (obfuscated). To get the clean documented code goto 
*       www.blueshoes.org and register for the free open source *DEVELOPER* version or 
*       buy the commercial version.
*       
*       In case you've already got the developer version, then this is one of the few 
*       packages/classes that is only available to *PAYING* customers.
*       To get it go to www.blueshoes.org and buy a commercial version.
* 
* @copyright www.blueshoes.org
* @author    Samuel Blume <sam at blueshoes dot org>
* @author    Andrej Arn <andrej at blueshoes dot org>
*/
function dechex(dec) {
var x = parseInt(dec / 16);var xx = dechexHelper(x);var rest = dec - (x * 16);return xx + '' + dechexHelper(rest);}
function dechexHelper(x) {
if (x <= 9) return x;switch (x) {
case 10:
return 'A';case 11:
return 'B';case 12:
return 'C';case 13:
return 'D';case 14:
return 'E';case 15:
return 'F';}
}
function hexdec(hex) {
if (hex.length == 6) {
return hexdec(hex.substr(0,2)) + ' ' + hexdec(hex.substr(2,2)) + ' ' + hexdec(hex.substr(4,2));}
var left  = parseInt(hexdecHelper(hex.substr(0,1)));var right = parseInt(hexdecHelper(hex.substr(1)));return (left * 16) + right;}
function hexdecHelper(x) {
if (x <= 9) return x;switch (x.toUpperCase()) {
case 'A':
return 10;case 'B':
return 11;case 'C':
return 12;case 'D':
return 13;case 'E':
return 14;case 'F':
return 15;}
}
function Point3(){var a=arguments;switch(a.length){case 0:default:this.x=this.y=this.z=0;break;case 1:{switch(typeof a[0]){case "object":{var o=a[0];if(o.constructor==Point3){this.x=o.x;this.y=o.y;this.z=o.z;}else if(o.constructor==Array){this.x=o[0];this.y=o[1];this.z=o[2];}break;}case "string":{var p;if(a[0].length==6){p=parseInt("0x"+a[0]);}else if(a[0].charAt(0)=='#'){p=parseInt("0x"+a[0].substr(1,6));}else p=Math.floor(a[0]);this.x=(p&0xFF0000)>>>0x10;this.y=(p&0x00FF00)>>>0x08;this.z=(p&0x0000FF)>>>0x00;break;}default:this.x=this.y=this.z=a[0];}break;}case 3:{this.x=a[0];this.y=a[1];this.z=a[2];break;}}}
function setBasicMember__Point3__(){var P=Point3;var PP=P.prototype;function digitHex2(p){if(p<0x00){return "00";}else if(p<0x10){return "0"+p.toString(16);}else if(p>0xff){return "ff";}else return p.toString(16);}
P.RGBtoHSB=function(){var c=new P(arguments[0]);var cmax=c.max();var cmin=c.min();var h=0.0;var s=(cmax!=0.0)?(cmax-cmin)/cmax:0.0;var b=cmax/0xFF;if(s!=0.0){var cc=new P(c);cc.scale(-1);cc.add(cmax);cc.scale(1/(cmax-cmin));if(c.x==cmax){h=0.0+cc.z-cc.y;}else if(c.y==cmax){h=2.0+cc.x-cc.z;}else h=4.0+cc.y-cc.x;h/=6.0;if(h<0.0){h+=1.0;}else if(h>1.0)h-=1.0;}return new P(h,s,b);};P.HSBtoRGB=function(){var v=new P(arguments[0]);var h=v.x;var s=v.y;var b=v.z;var c=new P();if(s==0.0){c.add(b);}else{var e=(h-Math.floor(h))*6.0;var f=Math.floor(e);var g=e-f;var n=b*(1.0-s);var m=((f&1)==0)?b*(1.0-s*(1.0-g)):b*(1.0-s*g);switch(f){case 0:c.set(b,m,n);break;case 1:c.set(m,b,n);break;case 2:c.set(n,b,m);break;case 3:c.set(n,m,b);break;case 4:c.set(m,n,b);break;case 5:c.set(b,n,m);break;}}c.scale(255.0);c.add(0.5);return c.toInteger();};PP.set=function(){var a=arguments;var p;switch(a.length){case 0:default:p=new P();break;case 1:p=new P(a[0]);break;case 3:p=new P(a[0],a[1],a[2]);break;}this.x=p.x;this.y=p.y;this.z=p.z;};PP.setX=function(x){this.x=x;};PP.setY=function(y){this.y=y;};PP.setZ=function(z){this.z=z;};PP.getX=function(){return this.x;};PP.getY=function(){return this.y;};PP.getZ=function(){return this.z;};PP.toArray=function(){return new Array(this.x,this.y,this.z);};PP.toInteger=function(){return new P(Math.floor(this.x),Math.floor(this.y),Math.floor(this.z));};PP.toColor=PP.getColor=function(){return digitHex2(Math.round(this.x))+digitHex2(Math.round(this.y))+digitHex2(Math.round(this.z));};PP.equals=function(p){return(this.x==p.x&&this.y==p.y&&this.z==p.z);};PP.intEquals=function(p){return(this.toInteger().equals(p.toInteger()));};PP.isNaN=function(){return(isNaN(this.x)||isNaN(this.y)||isNaN(this.z)||this.x==""||this.y==""||this.z=="");};PP.distance=function(p){if(p){var q=new P(this);q.sub(p);return q.distance();}else return Math.sqrt(Math.pow(this.x,2)+Math.pow(this.y,2)+Math.pow(this.z,2));};PP.mulin=function(p){return this.x*p.x+this.y*p.y+this.z*p.z;};PP.mulout=function(p){return new P(this.y*p.z-p.y*this.z,this.z*p.x-p.z*this.x,this.x*p.y-p.x*this.y);};PP.max=function(){return Math.max(Math.max(this.x,this.y),this.z);};PP.min=function(){return Math.min(Math.min(this.x,this.y),this.z);};PP.angle=function(p){var result=this.mulin(p)/(this.distance()*p.distance());if(Math.abs(result)>1.0)result /=Math.abs(result);return Math.acos(result);};PP.absolute=function(){this.x=Math.abs(this.x);this.y=Math.abs(this.y);this.z=Math.abs(this.z);};PP.scale=function(v){this.x*=v;this.y*=v;this.z*=v;};PP.add=function(p){var d=new P(p);this.x+=d.x;this.y+=d.y;this.z+=d.z;};PP.sub=function(p){var d=new P(p);this.x-=d.x;this.y-=d.y;this.z-=d.z;};PP.toString=function(){return "Point3:("+this.x+","+this.y+","+this.z+")";};}setBasicMember__Point3__();function HSBtoRGB(hue, saturation, brightness) {
var r = 0, g = 0, b = 0;if (saturation == 0) {
r = g = b = parseInt(brightness * 255);} else {
var h = (hue - Math.floor(hue)) * 6.0;var f = h - Math.floor(h);var p = brightness * (1.0 - saturation);var q = brightness * (1.0 - saturation * f);var t = brightness * (1.0 - (saturation * (1.0 - f)));h = h + "";if(h.charAt(0) == ".") {
h = 0 + h;}
if(parseInt(h) == 0) {
r = parseInt(brightness * 255);g = parseInt(t * 255);b = parseInt(p * 255);} else if(parseInt(h) == 1) {
r = parseInt(q * 255);g = parseInt(brightness * 255);b = parseInt(p * 255);} else if(parseInt(h) == 2) {
r = parseInt(p * 255);g = parseInt(brightness * 255);b = parseInt(t * 255);} else if(parseInt(h) == 3) {
r = parseInt(p * 255);g = parseInt(q * 255);b = parseInt(brightness * 255);} else if(parseInt(h) == 4) {
r = parseInt(t * 255);g = parseInt(p * 255);b = parseInt(brightness * 255);} else if(parseInt(h) == 5) {
r = parseInt(brightness * 255);g = parseInt(p * 255);b = parseInt(q * 255);}
}
r = r.toString(16);g = g.toString(16);b = b.toString(16);if(r.length == 0) { r = '00'; }
if(g.length == 0) { g = '00'; }
if(b.length == 0) { b = '00'; }
if(r.length == 1) { r = '0' + r; }
if(g.length == 1) { g = '0' + g; }
if(b.length == 1) { b = '0' + b; }
return new Array(r, g, b);}
function isDarkColor(colorCode) {
var myChar = colorCode.substr(2, 1);return (!isNaN(myChar) && (myChar < 8));}