ofimage.java

现在在国外大学里最流行的java学习软件,同时还有大量的example,在名为project的文件里.安装好后用bluej打开peoject的例子,可以进行你想要的任何变化.同时可以了解大量的源码

import java.awt.*;
import java.awt.image.*;
import javax.swing.*;

/**
 * OFImage is a class that defines an image in OF (Objects First) format.
 * 
 * @author  Michael Kolling and David J. Barnes
 * @version 1.0
 */
public class OFImage extends BufferedImage
{
    /**
     * Create an OFImage copied from a BufferedImage.
     * @param image The image to copy.
     */
    public OFImage(BufferedImage image)
    {
         super(image.getColorModel(), image.copyData(null), 
               image.isAlphaPremultiplied(), null);
    }

    /**
     * Create an OFImage with specified size and unspecified content.
     * @param width The width of the image.
     * @param height The height of the image.
     */
    public OFImage(int width, int height)
    {
        super(width, height, TYPE_INT_RGB);
    }

    /**
     * Set a given pixel of this image to a specified color. The
     * color is represented as an (r,g,b) value.
     * @param x The x position of the pixel.
     * @param y The y position of the pixel.
     * @param col The color of the pixel.
     */
    public void setPixel(int x, int y, Color col)
    {
        int pixel = col.getRGB();
        setRGB(x, y, pixel);
    }
    
    /**
     * Get the color value at a specified pixel position.
     * @param x The x position of the pixel.
     * @param y The y position of the pixel.
     * @return The color of the pixel at the given position.
     */
    public Color getPixel(int x, int y)
    {
        int pixel = getRGB(x, y);
        return new Color(pixel);
    }
}