JAVA 图片打开 显示 图形界面

/* * ZoomDmeoView.java */ package zoomdmeo; import org.jdesktop.application.Action; import org.jdesktop.application.ResourceMap; import org.jdesktop.application.SingleFrameApplication; import org.jdesktop.application.FrameView; import org.jdesktop.application.TaskMonitor; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import javax.swing.Timer; import javax.swing.Icon; import javax.swing.JDialog; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.SwingUtilities; /** * The application's main frame. */ public class ZoomDmeoView extends FrameView { public ZoomDmeoView(SingleFrameApplication app) { super(app); initComponents(); // status bar initialization - message timeout, idle icon and busy animation, etc ResourceMap resourceMap = getResourceMap(); int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout"); messageTimer = new Timer(messageTimeout, new ActionListener() { public void actionPerformed(ActionEvent e) { statusMessageLabel.setText(""); } }); messageTimer.setRepeats(false); int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate"); for (int i = 0; i < busyIcons.length; i++) { busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]"); } busyIconTimer = new Timer(busyAnimationRate, new ActionListener() { public void actionPerformed(ActionEvent e) { busyIconIndex = (busyIconIndex + 1) % busyIcons.length; statusAnimationLabel.setIcon(busyIcons[busyIconIndex]); } }); idleIcon = resourceMap.getIcon("StatusBar.idleIcon"); statusAnimationLabel.setIcon(idleIcon); progressBar.setVisible(false); // connecting action tasks to status bar via TaskMonitor TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext()); taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener() { public void propertyChange(java.beans.PropertyChangeEvent evt) { String propertyName = evt.getPropertyName(); if ("started".equals(propertyName)) { if (!busyIconTimer.isRunning()) { statusAnimationLabel.setIcon(busyIcons[0]); busyIconIndex = 0; busyIconTimer.start(); } progressBar.setVisible(true); progressBar.setIndeterminate(true); } else if ("done".equals(propertyName)) { busyIconTimer.stop(); statusAnimationLabel.setIcon(idleIcon); progressBar.setVisible(false); progressBar.setValue(0); } else if ("message".equals(propertyName)) { String text = (String)(evt.getNewValue()); statusMessageLabel.setText((text == null) ? "" : text); messageTimer.restart(); } else if ("progress".equals(propertyName)) { int value = (Integer)(evt.getNewValue()); progressBar.setVisible(true); progressBar.setIndeterminate(false); progressBar.setValue(value); } } }); // init file filter MyFileFilter filter = new MyFileFilter(); filter.addFilter( ".jpg" ); filter.addFilter( ".bmp" ); filter.addFilter( ".jpeg" ); filter.setDesc("图像文件(*.jpg|*.jpeg|*.bmp)"); jFileChooser1.setFileFilter(filter); } @Action public void showAboutBox() { if (aboutBox == null) { JFrame mainFrame = ZoomDmeoApp.getApplication().getMainFrame(); aboutBox = new ZoomDmeoAboutBox(mainFrame); aboutBox.setLocationRelativeTo(mainFrame); } ZoomDmeoApp.getApplication().show(aboutBox); } /** This method is called from within the constructor to * initialize the form. * WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { menuBar = new javax.swing.JMenuBar(); javax.swing.JMenu fileMenu = new javax.swing.JMenu(); javax.swing.JMenu helpMenu = new javax.swing.JMenu(); javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem(); javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem(); statusPanel = new javax.swing.JPanel(); javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator(); statusMessageLabel = new javax.swing.JLabel(); statusAnimationLabel = new javax.swing.JLabel(); progressBar = new javax.swing.JProgressBar(); jFileChooser1 = new javax.swing.JFileChooser(); menuBar.setName("menuBar"); // NOI18N org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(zoomdmeo.ZoomDmeoApp.class).getContext().getResourceMap(ZoomDmeoView.class); fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N fileMenu.setName("fileMenu"); // NOI18N fileMenu.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { fileMenuMouseClicked(evt); } }); menuBar.add(fileMenu); helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N helpMenu.setName("helpMenu"); // NOI18N javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(zoomdmeo.ZoomDmeoApp.class).getContext().getActionMap(ZoomDmeoView.class, this); aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N aboutMenuItem.setName("aboutMenuItem"); // NOI18N helpMenu.add(aboutMenuItem); exitMenuItem.setAction(actionMap.get("quit")); // NOI18N exitMenuItem.setName("exitMenuItem"); // NOI18N helpMenu.add(exitMenuItem); menuBar.add(helpMenu); statusPanel.setName("statusPanel"); // NOI18N statusMessageLabel.setName("statusMessageLabel"); // NOI18N statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT); statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N progressBar.setName("progressBar"); // NOI18N javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel); statusPanel.setLayout(statusPanelLayout); statusPanelLayout.setHorizontalGroup( statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 577, Short.MAX_VALUE) .addGroup(statusPanelLayout.createSequentialGroup() .addContainerGap() .addComponent(statusMessageLabel) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 407, Short.MAX_VALUE) .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(statusAnimationLabel) .addContainerGap()) ); statusPanelLayout.setVerticalGroup( statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(statusPanelLayout.createSequentialGroup()