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/* Copyright (c) 2004-2015, David A. Clunie DBA Pixelmed Publishing. All rights reserved. */
package com.pixelmed.imageio;
import java.io.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import javax.imageio.spi.*;
import javax.swing.*;
import javax.swing.event.*;
public class TestImageIO extends JFrame {
private static final String identString = "@(#) $Header: /userland/cvs/codec/com/pixelmed/imageio/TestImageIO.java,v 1.4 2016/01/16 15:01:48 dclunie Exp $";
class SingleImagePanel extends JComponent {
BufferedImage image;
SingleImagePanel(String args[]) throws Exception {
File f = new File(args[0]);
try {
if (args.length == 1) {
image = ImageIO.read(f);
}
else {
Iterator readers = ImageIO.getImageReadersByFormatName(args[1]);
int whichReader = Integer.valueOf(args[2]).intValue();
int i=0;
while (readers.hasNext()) {
ImageReader reader = (ImageReader)readers.next();
if (i == whichReader) {
ImageReaderSpi spi = reader.getOriginatingProvider();
System.out.println("Using reader "+i+" from "+spi.getDescription(Locale.US)+" "+spi.getVendorName()+" "+spi.getVersion());
//while (true) {
reader.setInput(ImageIO.createImageInputStream(f));
image = reader.read(0);
//}
break;
}
}
}
if (image == null) {
throw new Exception("Couldn't find a reader");
}
System.out.println("Image width="+image.getWidth()+" height="+image.getHeight());
setSize(image.getWidth(),image.getHeight());
}
catch (IOException e) {
e.printStackTrace();
}
}
public void paintComponent(Graphics g) {
//System.out.println("SingleImagePanel.paintComponent()");
Graphics2D g2d=(Graphics2D)g;
g2d.drawImage(image,0,0,this);
}
}
TestImageIO(String args[]) throws Exception {
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
dispose();
}
});
Container content = getContentPane();
//content.setLayout(new GridLayout(1,1));
SingleImagePanel panel = new SingleImagePanel(args);
content.add(panel);
setSize(panel.getWidth(),panel.getHeight());
//pack();
}
public static void main(String args[]) {
//javax.imageio.spi.IIORegistry.getDefaultInstance().registerApplicationClasspathSpis();
javax.imageio.ImageIO.scanForPlugins();
javax.imageio.ImageIO.setUseCache(false); // no slow disk caches for us !
String[] formats=ImageIO.getReaderFormatNames();
for (int i=0; formats != null && i<formats.length; ++i) {
System.out.println(formats[i]);
Iterator readers = ImageIO.getImageReadersByFormatName(formats[i]);
while (readers.hasNext()) {
ImageReader reader = (ImageReader)readers.next();
ImageReaderSpi spi = reader.getOriginatingProvider();
System.out.println("\t"+spi.getDescription(Locale.US)+" "+spi.getVendorName()+" "+spi.getVersion());
}
}
try {
TestImageIO f = new TestImageIO(args);
f.setVisible(true);
}
catch (Exception e) {
e.printStackTrace();
System.exit(0);
}
}
}
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