imagepainter.java

拥有图形界面的

/*
 * ImageDrawer.java
 * This sample application uses some code written by Jeff Heaton took by the article
 * "Programming Neural Networks in Java" at http://www.jeffheaton.com/ai/index.shtml
 *
 */

package org.joone.samples.editor.som;

import java.awt.event.*;

/**
 *
 * @author  Julien Norman
 */
public class ImagePainter extends ImageDrawer {
    
    private java.awt.Color drawColor = new java.awt.Color(0);
    
    private java.awt.image.BufferedImage ImageToEdit = null;
    
    /** Creates a new instance of ImageDrawer */
    public ImagePainter() {
        
        addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                paintPixel(e.getX(),e.getY());
            }
        });

        addMouseMotionListener(new MouseMotionAdapter() {
            public void mouseDragged(MouseEvent e) {
                paintPixel(e.getX(), e.getY());
            }
        });
        
    }

    public void setDrawColor(java.awt.Color newColor)
    {
        drawColor = newColor;
    }
    
    public java.awt.Color getDrawColor()
    {
        return(drawColor);
    }
    
    public void paintPixel(int x,int y)
    {
        if ( x < getImageToDraw().getWidth(this) )
        {
            if ( x >= 0)
            {
                if ( y < getImageToDraw().getHeight(this) )
                {
                    if ( y >= 0)
                    {
                        getImageToEdit().setRGB(x,y,getDrawColor().getRGB());
                        repaint(0,0,getImageToDraw().getWidth(this),getImageToDraw().getHeight(this));
                    }
                }
            }
        }
    }
    
    /** Getter for property ImageToEdit.
     * @return Value of property ImageToEdit.
     *
     */
    public java.awt.image.BufferedImage getImageToEdit() {
        return ImageToEdit;
    }
    
    /** Setter for property ImageToEdit.
     * @param ImageToEdit New value of property ImageToEdit.
     *
     */
    public void setImageToEdit(java.awt.image.BufferedImage ImageToEdit) {
        this.ImageToEdit = ImageToEdit;
        setImageToDraw(ImageToEdit);
    }
    
}