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/**
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
**/
"use strict";
/**
* ColorError
* @constructor
*/
var ColorError = function (message)
{
this.name = "ColorError";
this.message = (message) ? message : "Error";
};
ColorError.prototype = new Error();
/**
* Color
* @constructor
*/
function Color(str)
{
var bits;
this.r = 0;
this.g = 0;
this.b = 0;
this.a = 1.0;
if ((bits = /^#?([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])$/.exec(str))) {
this.r = parseInt(bits[1]+bits[1], 16);
this.g = parseInt(bits[2]+bits[2], 16);
this.b = parseInt(bits[3]+bits[3], 16);
} else if ((bits = /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/.exec(str))) {
this.r = parseInt(bits[1], 16);
this.g = parseInt(bits[2], 16);
this.b = parseInt(bits[3], 16);
} else if ((bits = /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/.exec(str))) {
this.r = parseInt(bits[1], 16);
this.g = parseInt(bits[2], 16);
this.b = parseInt(bits[3], 16);
this.a = parseInt(bits[4], 16)/255;
} else if ((bits = /^rgb\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\)$/.exec(str))) {
this.r = parseInt(bits[1], 10);
this.g = parseInt(bits[2], 10);
this.b = parseInt(bits[3], 10);
} else if ((bits = /^rgba\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*([0-9.]+)\)$/.exec(str))) {
this.r = parseInt(bits[1], 10);
this.g = parseInt(bits[2], 10);
this.b = parseInt(bits[3], 10);
this.a = parseFloat(bits[4], 10);
} else {
throw new ColorError("Unknow color format '"+str+"'");
}
};
Color.prototype.torgba = function ()
{
return 'rgba('+this.r+','+this.g+','+this.b+','+this.a+')';
};
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