BufferedImage color Count - Java 2D Graphics

Java examples for 2D Graphics:BufferedImage Color

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Description

BufferedImage color Count

Demo Code

/*/* ww  w  .  j  a v a  2  s.  c o  m*/
 * (C) Copyright 2000-2011, by Scott Preston and Preston Research LLC
 *
 *  Project Info:  http://www.scottsbots.com
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */
import java.awt.Color;
import java.awt.Image;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.awt.image.renderable.ParameterBlock;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import javax.imageio.ImageIO;
import javax.media.jai.Histogram;
import javax.media.jai.JAI;
import javax.media.jai.PlanarImage;

public class Main{
    public static int colorCount(BufferedImage srcImg, Color targetColor) {

        int h = srcImg.getHeight();
        int w = srcImg.getWidth();
        int count = 0;
        BufferedImage dstImg = new BufferedImage(w, h,
                BufferedImage.TYPE_INT_RGB);
        for (int y = 0; y < h; ++y) {
            for (int x = 0; x < w; ++x) {
                int srcPixel = srcImg.getRGB(x, y);
                Color c = new Color(srcPixel);
                if (c.getRGB() == targetColor.getRGB()) {
                    count++;
                }
            }
        }
        return count;
    }
}

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