// ymagePNGEncoderAWT.java 
// ---------------------------
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2005
// created: 31.10.2005
//
// 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
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.

package de.anomic.ymage;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.image.WritableRaster;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

public class ymagePNGEncoderAWT {
    

    public static BufferedImage toImage(ymageMatrix matrix, boolean complementary) {
        // GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        // GraphicsDevice gs = ge.getDefaultScreenDevice();
        // GraphicsConfiguration gc = gs.getDefaultConfiguration();
        // BufferedImage bi = gc.createCompatibleImage(width, height, Transparency.TRANSLUCENT);
        try {
            BufferedImage bi = new BufferedImage(matrix.getWidth(), matrix.getHeight(), BufferedImage.TYPE_INT_RGB);
            Graphics2D gr = bi.createGraphics();
            gr.setBackground(Color.white);
            gr.clearRect(0, 0, matrix.getWidth(), matrix.getHeight());
            
            WritableRaster wr = bi.getRaster();
            matrix.getColorMode(complementary);
            for (int i = matrix.getWidth() - 1; i >= 0; i--) {
                for (int j = matrix.getHeight() - 1; j >= 0; j--) {
                    wr.setPixel(i, j, matrix.getColor(i, j));
                }
            }
            return bi;
        } catch (Exception e) {
            // strange case where environment disallowes generation of graphics

            System.out.println("Error with Graphics environment:");
            e.printStackTrace();
            return new BufferedImage(0, 0, BufferedImage.TYPE_INT_RGB);
        }
    }
    
    public static void toPNG(ymageMatrix matrix, boolean complementary, File f) throws IOException {
        BufferedImage bi = toImage(matrix, complementary);
        ImageIO.write(bi, "png", f);
    }
    
}