[platform-dev] Re: how to load image using BufferedImage JAI

[Fabrizio Giudici]

On Fri, 27 Apr 2012 16:21:23 +0200, purav14 <address-removed> wrote:

[purav14]

i got only array index out of bound exception ,,my source code which i
developed given below....pls give me idea where i am wrong..


package newone;

import com.sun.media.jai.codec.ByteArraySeekableStream;
import com.sun.media.jai.codec.ImageCodec;
import com.sun.media.jai.codec.ImageDecoder;
import com.sun.media.jai.codec.SeekableStream;
import java.awt.BorderLayout;
import java.awt.Image;
import java.awt.image.RenderedImage;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.DoubleBuffer;
import java.nio.IntBuffer;
import java.nio.LongBuffer;
import java.nio.channels.FileChannel;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.media.jai.PlanarImage;
import javax.media.jai.RenderedOp;
import javax.swing.*;




public class Newone {



public static void main(String args[]) {


RenderedImage image = null;
RenderedOp result = null;
// String format="DICOM";
Image imagenew = null;
JLabel jLabel1 = new JLabel();
ImageIcon img = new ImageIcon();
jLabel1.setIcon(img);
boolean b;

// File file = new File("E:/dicdemo1.dcm");
try{


FileInputStream in = new FileInputStream("E:/mammo.DICOM");
FileChannel channel = in.getChannel();
DoubleBuffer buffer;

ByteBuffer buffer1 = ByteBuffer.allocate((int) channel.size());
buffer1.rewind();
buffer = ((ByteBuffer) buffer1.rewind()).asDoubleBuffer();
channel.read(buffer1);

SeekableStream stream = new ByteArraySeekableStream(buffer1.array())
{};
String[] names = ImageCodec.getDecoderNames(stream);

ImageDecoder dec = ImageCodec.createImageDecoder(names[0],
stream,null );
RenderedImage rim = dec.decodeAsRenderedImage();
imagenew = PlanarImage.wrapRenderedImage(rim).getAsBufferedImage();


}catch(IOException e){ e.printStackTrace();}




JTabbedPane pane = new JTabbedPane();
// pane.addTab("imageOriginal", new JScrollPane(new JLabel(new
ImageIcon(x))));
pane.addTab("LoadedImage", new JScrollPane(new JLabel(new
ImageIcon(imagenew))));

JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// jsp.setPreferredSize(new Dimension(450,450));
f.setLayout(new BorderLayout());
f.add(pane);
//f.add(jsp, BorderLayout.CENTER);
f.pack();
f.setVisible(true);
}

private static boolean canReadExtention(String filename){

Iterator iter =ImageIO.getImageReadersBySuffix(filename);
return iter.hasNext();
}
}

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