﻿/* 
 * HaoRan ImageFilter Classes v0.1
 * Copyright (C) 2012 Zhenjun Dai
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation; either version 2.1 of the License, or (at your
 * option) any later version.
 *
 * This library 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation.
 */

namespace Shagu.ImageFilter
{
    public class BlockPrintFilter : IImageFilter
    {
        //@Override
        public Image process(Image imageIn)
        {
            ParamEdgeDetectFilter pde = new ParamEdgeDetectFilter();
            pde.K00 = 1;
            pde.K01 = 2;
            pde.K02 = 1;
            pde.Threshold = 0.25f;
            pde.DoGrayConversion = false;
            ImageBlender ib = new ImageBlender();
            ib.Mode = (int)BlendMode.Multiply;
            return ib.Blend(imageIn.clone(), pde.process(imageIn));
        }
    }

}
