Created
January 27, 2020 10:43
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public static void main(String[] args) throws IOException { | |
File file = new File(args[0]); | |
try (ImageInputStream input = ImageIO.createImageInputStream(file)) { | |
ImageReader reader = ImageIO.getImageReaders(input).next(); | |
try { | |
reader.setInput(input); | |
ImageReadParam param = reader.getDefaultReadParam(); | |
BufferedImage image = reader.getImageTypes(0).next().createBufferedImage(reader.getWidth(0), reader.getHeight(0)); | |
param.setDestination(image); | |
try { | |
reader.read(0, param); // Will return image | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} | |
// image now contains as much of the decoded file as possible, even if an exception occured | |
SwingUtilities.invokeLater(new Runnable() { | |
@Override | |
public void run() { | |
JFrame frame = new JFrame(file.getName()); | |
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); | |
frame.add(new JScrollPane(new JLabel(new ImageIcon(image)))); | |
frame.pack(); | |
frame.setVisible(true); | |
} | |
}); | |
} | |
finally { | |
reader.dispose(); | |
} | |
} |
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