Java tiff图像未正确显示
我想加载一个tiff文件,它的大小很大。我将堆大小更改为800m左右,以便加载图像,但未正确显示:Java tiff图像未正确显示,java,tiff,Java,Tiff,我想加载一个tiff文件,它的大小很大。我将堆大小更改为800m左右,以便加载图像,但未正确显示: 这是我的真实形象: 这是我加载后得到的图像的屏幕截图: 这是我加载tiff文件的代码: private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) { JFileChooser fc = new JFileChooser(Database.basePath); FileNameExtension
private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {
JFileChooser fc = new JFileChooser(Database.basePath);
FileNameExtensionFilter extensionFilter = new FileNameExtensionFilter("TIF Files", "tif");
fc.setFileFilter(extensionFilter);
int res = fc.showOpenDialog(null);
File file = null;
// We have an image!
try {
if (res == JFileChooser.APPROVE_OPTION) {
file = fc.getSelectedFile();
System.out.println(file.getAbsolutePath().toString().substring(0,
file.getAbsolutePath().toString().lastIndexOf("/")));
path = file.getAbsolutePath().toString().substring(0,
file.getAbsolutePath().toString().lastIndexOf("/"));
basepath = file.getAbsolutePath().toString().replace(".tif", ".xml");
System.out.println("path: " + basepath);
setTarget(file);
// System.out.println("canoic"+file.getCanonicalPath());
} // Oops!
else {
JOptionPane.showMessageDialog(null, "You must select one image to be the reference.", "Aborting...",
JOptionPane.WARNING_MESSAGE);
}
} catch (Exception iOException) {
}
public void setTarget(File reference) {
try {
targetImg = null;
System.out.println("in try" + reference.getAbsolutePath());
targetFile = reference;
byte[] data = Files.readAllBytes(Paths.get(reference.getAbsolutePath()));
targetImg = rescale(data);
} catch (IOException ex) {
System.out.println("in Catch");
Logger.getLogger(HelloWorld.class.getName()).log(Level.SEVERE, null, ex);
}
panel_1.setLayout(new BorderLayout(0, 0));
label = new JLabel(new ImageIcon(targetImg));
JScrollPane scroll = new JScrollPane(label);
panel_1.add(scroll);
scroll.addMouseListener(this);
scroll.addMouseMotionListener(this);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new BorderLayout(0, 0));
setVisible(true);
}
public BufferedImage rescale(byte[] originalImage) {
TiffDecoder decoder;
BufferedImage decodedImage = null;
try {
decoder = new TiffDecoder(originalImage);
decodedImage = decoder.read();
} catch (Exception e) {
e.printStackTrace();
}
return decodedImage;
}`
您可以使用 然后将此图像设置为ImageIcon
label = new JLabel(new ImageIcon(image));
您需要在类路径中输入
setTarget
方法的代码,在该方法中加载图像使用ImageIO
API,而不是从文件读取字节重缩放中的内容?好的,谢谢您的回答。但我不知道如何使用imageIo Api进行阅读。你能帮我吗@桑吉夫苏。。请告诉我您使用重新缩放
试图实现什么?非常感谢@sanjeev。如果它确实对你有帮助,请接受作为答案/投票支持。
label = new JLabel(new ImageIcon(image));