src/main/java/eu/svjatoslav/imagesqueeze/sampleApplication/ImagePanel.java

   1 package eu.svjatoslav.imagesqueeze.sampleApplication;
   2
   3 import java.awt.BorderLayout;
   4
   5 import java.awt.Dimension;
   6 import java.awt.image.BufferedImage;
   7 import java.io.BufferedReader;
   8 import java.io.ByteArrayOutputStream;
   9 import java.io.File;
  10 import java.io.FileInputStream;
  11 import java.io.IOException;
  12 import java.io.InputStream;
  13
  14 import javax.swing.JButton;
  15
  16 import javax.swing.ImageIcon;
  17 import javax.swing.JPanel;
  18 import javax.swing.WindowConstants;
  19 import javax.swing.JFrame;
  20 import javax.swing.JLabel;
  21
  22 import eu.svjatoslav.imagesqueeze.codec.Image;
  23
  24
  25 public class ImagePanel extends javax.swing.JPanel {
  26         private JLabel imageLabel;
  27
  28         public BufferedImage bufferedImage;
  29
  30         /**
  31          * Auto-generated main method to display this
  32          * JPanel inside a new JFrame.
  33          */
  34         public static void main(String[] args) {
  35                 JFrame frame = new JFrame();
  36                 frame.getContentPane().add(new ImagePanel());
  37                 frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
  38                 frame.pack();
  39                 frame.setVisible(true);
  40         }
  41
  42         public ImagePanel() {
  43                 super();
  44                 initGUI();
  45         }
  46
  47         private void initGUI() {
  48                 try {
  49                         BorderLayout thisLayout = new BorderLayout();
  50                         this.setLayout(thisLayout);
  51                         setPreferredSize(new Dimension(660, 500));
  52                         {
  53                                 imageLabel = new JLabel();
  54                                 this.add(getImageLabel(), BorderLayout.CENTER);
  55                         }
  56                 } catch (Exception e) {
  57                         e.printStackTrace();
  58                 }
  59         }
  60
  61         public JLabel getImageLabel() {
  62                 return imageLabel;
  63         }
  64
  65         public void loadImage(File inputFile, boolean isImgSqz) throws IOException{
  66                 FileInputStream fileInputStream = new FileInputStream(inputFile);
  67
  68                 loadImage(fileInputStream, isImgSqz);
  69         }
  70
  71         public void loadImage(InputStream inputStream, boolean isImgSqz) throws IOException{
  72                 if (isImgSqz){
  73                         // load ImageSqueeze file
  74
  75                         Image image = new Image();
  76                         image.loadImage(inputStream);
  77
  78                         bufferedImage = image.bufferedImage;
  79
  80                         ImageIcon icon = new ImageIcon(bufferedImage);
  81                         //ImageIcon icon = new ImageIcon("sample data/original.png");
  82
  83                         imageLabel.setIcon(icon);
  84
  85                 } else {
  86                         // load JPEG, PNG, GIF file
  87                         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
  88                         readLoop:{
  89                                 for (;;){
  90                                         int b = inputStream.read();
  91                                         if (b == -1) break readLoop;
  92                                         outputStream.write(b);
  93                                 }
  94                         }
  95
  96                         ImageIcon icon = new ImageIcon(outputStream.toByteArray());
  97
  98                         bufferedImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_3BYTE_BGR);
  99                         bufferedImage.getGraphics().drawImage(icon.getImage(), 0, 0, null);
 100
 101                         ImageIcon displayIcon = new ImageIcon(bufferedImage);
 102                         imageLabel.setIcon(displayIcon);
 103                 }
 104         }
 105
 106
 107         public void createEmptyImage(Dimension dimension){
 108
 109                 bufferedImage = new BufferedImage(dimension.width, dimension.height, BufferedImage.TYPE_3BYTE_BGR);
 110
 111                 ImageIcon icon = new ImageIcon(bufferedImage);
 112
 113                 imageLabel.setIcon(icon);
 114         }
 115
 116
 117         public void saveImage(File outputFile){
 118                 Image image = new Image(bufferedImage);
 119                 try {
 120                         image.saveImage(outputFile);
 121                 } catch (Exception e) {
 122                         System.out.println("Error while saving image: " + e.toString());
 123                 }
 124         }
 125
 126 }