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| import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class Lecture extends DataInputStream {
private int h, w, size;
public Lecture(int w, int h, String filename) throws FileNotFoundException {
super(new FileInputStream(filename));
this.h = h;
this.w = w;
this.size = h * w ;
}
public int[] readLigne() throws IOException {
int tab[] = new int[w];
for (int i = 0; i < w; i++) {
tab[i] = (int)readShort();
}
return tab;
}
}
import java.awt.Canvas;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.ScrollPane;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;
import java.awt.image.WritableRaster;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.swing.JPanel;
public class Essai extends Canvas {
BufferedImage image = null;
public Essai(int w, int h){
image = new BufferedImage(w, h, BufferedImage.TYPE_USHORT_GRAY);
WritableRaster raster = image.getRaster();
Lecture lecture = null;
try {
lecture = new Lecture(w, h, "test.LJPEG.1");
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
int[] pixels = new int[w];
for (int j = 0; j < h; j++)
try {
pixels = lecture.readLigne();
raster.setPixels(0, j, w, 1, pixels);
} catch (IOException e) {
e.printStackTrace();
}
image.setData(raster);
System.out.println("c fait");
}
public void paint(Graphics g) {
g.drawImage(image, 0, 0, (ImageObserver) this);
}
public static void main(String[] args) {
Frame frame = new Frame("frame");
ScrollPane p = new ScrollPane();
p.add(new Essai(3721, 1681));
frame.add(p);
frame.pack();
frame.setVisible(true);
}
} |
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