imagecanvas.java

一个简单的visio程序。

package hc.util;

import java.awt.*;

public class ImageCanvas extends Canvas {
    
    Image image;

    public ImageCanvas(Image img) {
	image = img;
	if(img != null) {
	    int w = img.getWidth(this);
	    int h = img.getHeight(this);
	    setSize(w, h);
	}
    }
    
    public void paint(Graphics g) {
	if(image != null) {
	    g.drawImage(image, 0, 0, this);
	}
    }
}