/*
* Copyright (c) 2014 Renato de Pontes Pereira.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy 
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
* copies of the Software, and to permit persons to whom the Software is 
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

/**
* @module Creatine
*/
this.creatine = this.creatine || {};

(function() {
"use strict";

creatine.scaleAspectRatio = function(w, h, max_w, max_h) {
    var ratio = 0;
    var new_w, new_h = 0;

    if (w > max_w) {
        ratio = max_w/w;
        new_w = max_w;
        new_h = h*ratio;
    }

    if (new_h > max_h) {
        ratio = max_h/new_h;
        new_h = max_h;
        new_w = new_w*ratio;
    }

    return [new_w, new_h];
}

creatine.merge = function() {
    var obj, name, copy,
        target = arguments[0] || {},
        i = 1,
        length = arguments.length;

    for (; i < length; i++) {
        if ((obj = arguments[i]) != null) {
            for (name in obj) {
                copy = obj[name];

                if (target === copy) {
                    continue;
                }
                else if (copy !== undefined) {
                    target[name] = copy;
                }
            }
        }
    }

    return target;
};


creatine.clip = function(v, min, max) {
    return Math.max(Math.min(v, max), min);
}

})();