40 lines
1.1 KiB
Java
40 lines
1.1 KiB
Java
|
Display an Image in Canvas
|
||
|
|
|
||
|
|
import java.awt.*;
|
||
|
|
import java.awt.image.*;
|
||
|
|
|
||
|
|
public class ImageCanvas extends Canvas {
|
||
|
|
Image image;
|
||
|
|
|
||
|
|
public ImageCanvas(String name) {
|
||
|
|
MediaTracker media = new MediaTracker(this);
|
||
|
|
image = Toolkit.getDefaultToolkit().getImage(name);
|
||
|
|
media.addImage(image, 0);
|
||
|
|
try {
|
||
|
|
media.waitForID(0);
|
||
|
|
}
|
||
|
|
catch (Exception e) {}
|
||
|
|
}
|
||
|
|
|
||
|
|
public ImageCanvas(ImageProducer imageProducer) {
|
||
|
|
image = createImage(imageProducer);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void paint(Graphics g) {
|
||
|
|
g.drawImage(image, 0,0, this);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void main(String argv[]) {
|
||
|
|
if (argv.length < 1) {
|
||
|
|
System.out.println
|
||
|
|
("usage: ImageCanvas.class [image file name]");
|
||
|
|
System.exit(0);
|
||
|
|
}
|
||
|
|
Frame frame = new Frame(argv[0]);
|
||
|
|
frame.setLayout(new BorderLayout());
|
||
|
|
frame.add("Center", new ImageCanvas(argv[0]));
|
||
|
|
frame.resize(400,400);
|
||
|
|
frame.show();
|
||
|
|
}
|
||
|
|
}
|