node_modules/montage/effect/multiply-effect.js


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/* <copyright>
 This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
 No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
 (c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
 </copyright> */
var Montage = require("montage").Montage;
var Effect = require("effect/effect").Effect;

exports.MultiplyEffect = Montage.create(Effect, {

    applyEffect: {
        value: function(pixels, pixelCount, multiplier) {
            var i = 0;

            for (i = 0; i < pixelCount; i += 4) {
                pixels[i  ] = pixels[i  ] * multiplier; // red
                pixels[i+1] = pixels[i+1] * multiplier; // green
                pixels[i+2] = pixels[i+2] * multiplier; // blue
            }
        }
    }

});