public void setPanel(Parameters pp, String s) { JPanel buttonsPanel = new JPanel(); okButton = new JButton("确定"); okButton.addActionListener(this); dialog = new JDialog(this, s + " 参数选择", true); Container contentPane = getContentPane(); Container dialogContentPane = dialog.getContentPane(); dialogContentPane.add(pp, BorderLayout.CENTER); dialogContentPane.add(buttonsPanel, BorderLayout.SOUTH); dialog.pack(); buttonsPanel.add(okButton); dialog.setLocation(50, 330); dialog.show(); }
@Override protected void fireActionPerformed(ActionEvent event) { try { this.setSelected(true); // create the dialog if this has not been done yet. if (this.dialog == null) { // Get the top level ancestor as parent for the new dialog. // This ensures that on Mac OS X the global menu bar remains // visible while the dialog is open. final Container parent = this.getTopLevelAncestor(); dialog = JColorChooser.createDialog( parent, colorChooserTitle, true, // modal colorChooser, this, // OK button handler null); // no CANCEL button handler dialog.pack(); dialog.setResizable(false); } // show the dialog colorChooser.setColor(color); dialog.setVisible(true); /* A simpler option that is displaying the ugly preview panel: Color newColor = JColorChooser.showDialog(this.getTopLevelAncestor(), colorChooserTitle, color); if (newColor != null){ // only set color and fire an event when user did not cancel. this.setColor(newColor); super.fireActionPerformed(event); }*/ } catch (Exception e) { } finally { this.setSelected(false); } }
public void actionPerformed(ActionEvent evt) { Graphics g = getGraphics(); if (evt.getSource() == openItem) { JFileChooser chooser = new JFileChooser(); common.chooseFile(chooser, "./images", 0); // 设置默认目录,过滤文件 int r = chooser.showOpenDialog(null); if (r == JFileChooser.APPROVE_OPTION) { String name = chooser.getSelectedFile().getAbsolutePath(); // 装载图像 iImage = common.openImage(name, new MediaTracker(this)); // 取载入图像的宽和高 iw = iImage.getWidth(null); ih = iImage.getHeight(null); bImage = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = bImage.createGraphics(); g2.drawImage(iImage, 0, 0, null); loadflag = true; repaint(); } } else if (evt.getSource() == rotateItem) // 内置旋转 { setTitle("第4章 图像几何变换 内置旋转 作者 孙燮华"); common.draw(g, iImage, bImage, common.getParam("旋转角(度):", "30"), 0, 0); } else if (evt.getSource() == scaleItem) // 内置缩放 { setTitle("第4章 图像几何变换 内置缩放 作者 孙燮华"); // 参数选择面板 Parameters pp = new Parameters("参数", "x方向:", "y方向:", "1.5", "1.5"); setPanel(pp, "内置缩放"); float x = pp.getPadx(); float y = pp.getPady(); common.draw(g, iImage, bImage, x, y, 1); } else if (evt.getSource() == shearItem) // 内置错切 { setTitle("第4章 图像几何变换 内置错切 作者 孙燮华"); Parameters pp = new Parameters("参数", "x方向:", "y方向:", "0.5", "0.5"); setPanel(pp, "内置错切"); float x = pp.getPadx(); float y = pp.getPady(); common.draw(g, iImage, bImage, x, y, 2); } else if (evt.getSource() == transItem) // 内置平移 { setTitle("第4章 图像几何变换 内置平移 作者 孙燮华"); Parameters pp = new Parameters("参数", "x方向:", "y方向:", "100", "50"); setPanel(pp, "内置平移"); float x = pp.getPadx(); float y = pp.getPady(); common.draw(g, iImage, bImage, x, y, 3); } else if (evt.getSource() == rotItem) // 旋转算法 { setTitle("第4章 图像几何变换 旋转算法 作者 孙燮华"); pix = common.grabber(iImage, iw, ih); // 旋转,输出图像宽高 int owh = (int) (Math.sqrt(iw * iw + ih * ih + 0.5)); opix = geom.imRotate(pix, common.getParam("旋转角(度):", "30"), iw, ih, owh); // 将数组中的象素产生一个图像 MemoryImageSource memoryImage = new MemoryImageSource(owh, owh, ColorModel.getRGBdefault(), opix, 0, owh); oImage = createImage(memoryImage); common.draw(g, iImage, oImage, iw, ih, owh, 4); } else if (evt.getSource() == mirItem) // 镜象算法(type:5) { setTitle("第4章 图像几何变换 镜象算法 作者 孙燮华"); Parameters pp = new Parameters("选择镜象类型", "水平", "垂直"); setPanel(pp, "镜象算法"); pix = common.grabber(iImage, iw, ih); opix = geom.imMirror(pix, iw, ih, pp.getRadioState()); ImageProducer ip = new MemoryImageSource(iw, ih, opix, 0, iw); oImage = createImage(ip); common.draw(g, iImage, oImage, iw, ih, 0, 5); } else if (evt.getSource() == shrItem) // 错切算法(type:6) { setTitle("第4章 图像几何变换 错切算法 作者 孙燮华"); Parameters pp = new Parameters("参数", "x方向:", "y方向:", "0.5", "0.5"); setPanel(pp, "错切算法"); pix = common.grabber(iImage, iw, ih); float shx = pp.getPadx(); float shy = pp.getPady(); // 计算包围盒的宽和高 int ow = (int) (iw + (ih - 1) * shx); int oh = (int) ((iw - 1) * shy + ih); if (shx > 0 && shy > 0) { opix = geom.imShear(pix, shx, shy, iw, ih, ow, oh); ImageProducer ip = new MemoryImageSource(ow, oh, opix, 0, ow); oImage = createImage(ip); common.draw(g, iImage, oImage, iw, ih, 0, 6); } else JOptionPane.showMessageDialog(null, "参数必须为正数!"); } else if (evt.getSource() == trnItem) { setTitle("第4章 图像几何变换 平移算法 作者 孙燮华"); Parameters pp = new Parameters("参数", "x方向:", "y方向:", "100", "50"); setPanel(pp, "平移算法"); pix = common.grabber(iImage, iw, ih); int tx = (int) pp.getPadx(); int ty = (int) pp.getPady(); if (tx > 0 && ty > 0) { int ow = iw + tx; int oh = ih + ty; opix = geom.imTrans(pix, tx, ty, iw, ih, ow, oh); ImageProducer ip = new MemoryImageSource(ow, oh, opix, 0, ow); oImage = createImage(ip); common.draw(g, iImage, oImage, iw, ih, 0, 7); } else JOptionPane.showMessageDialog(null, "参数必须为正数!"); } else if (evt.getSource() == nearItem) { setTitle("第4章 图像几何变换 最邻近插值算法 作者 孙燮华"); pix = common.grabber(iImage, iw, ih); float p = (Float.valueOf(JOptionPane.showInputDialog(null, "输入缩放参数(0.1-3.0)", "1.50"))) .floatValue(); int ow = (int) (p * iw); // 计算目标图宽高 int oh = (int) (p * ih); opix = geom.nearNeighbor(pix, iw, ih, ow, oh, p); ImageProducer ip = new MemoryImageSource(ow, oh, opix, 0, ow); oImage = createImage(ip); common.draw(g, oImage, "最邻近插值", p); } else if (evt.getSource() == linrItem) { setTitle("第4章 图像几何变换 双线性插值算法 作者 孙燮华"); pix = common.grabber(iImage, iw, ih); float p = (Float.valueOf(JOptionPane.showInputDialog(null, "输入缩放参数(0.1-3.0)", "1.50"))) .floatValue(); int ow = (int) (p * iw); // 计算目标图宽高 int oh = (int) (p * ih); opix = geom.bilinear(pix, iw, ih, ow, oh, p); ImageProducer ip = new MemoryImageSource(ow, oh, opix, 0, ow); oImage = createImage(ip); common.draw(g, oImage, "双线性插值", p); } else if (evt.getSource() == cubicItem) { setTitle("第4章 图像几何变换 三次卷积插值算法 作者 孙燮华"); pix = common.grabber(iImage, iw, ih); float p = (Float.valueOf(JOptionPane.showInputDialog(null, "输入缩放参数(1.1-3.0)", "1.50"))) .floatValue(); if (p < 1) { JOptionPane.showMessageDialog(null, "参数p必须大于1!"); return; } int ow = (int) (p * iw); // 计算目标图宽高 int oh = (int) (p * ih); opix = geom.scale(pix, iw, ih, ow, oh, p, p); ImageProducer ip = new MemoryImageSource(ow, oh, opix, 0, ow); oImage = createImage(ip); common.draw(g, oImage, "三次卷积插值", p); } else if (evt.getSource() == okButton) dialog.dispose(); else if (evt.getSource() == exitItem) System.exit(0); }
public void run() { // Collect some user data. dlg = new JDialog(console.frame, "Example 1 Setup", true); dlg.getContentPane().setLayout(new BorderLayout()); // Properties area propPanel = new JPanel(); dlg.getContentPane().add(propPanel, BorderLayout.CENTER); GridBagLayout gbl = new GridBagLayout(); propPanel.setLayout(gbl); // List of voice resources DefaultListModel dlm = new DefaultListModel(); for (int x = 1; ; x++) { try { int c = x % 4 == 0 ? 4 : x % 4; int b = c == 4 ? x / 4 : x / 4 + 1; String devName = "dxxxB" + b + "C" + c; int dev = dx.open(devName, 0); try { // If any of the voice resources _are not_ connected to // analog loop-start lines, then they will be suppressed // here because sethook() will not be supported. dx.sethook(dev, dx.DX_ONHOOK, dx.EV_SYNC); dlm.addElement(devName); } catch (Exception ignore) { } dx.close(dev); } catch (Exception ignore) { break; } } analogDxList = new JList(dlm); { GridBagConstraints gbc; // Choose a voice resource: gbc = new GridBagConstraints(); gbc.gridx = 0; gbc.gridy = 0; gbc.fill = GridBagConstraints.BOTH; JTextField t = new JTextField("Analog Voice Resource"); t.setEditable(false); gbl.setConstraints(t, gbc); propPanel.add(t); gbc = new GridBagConstraints(); gbc.gridx = 1; gbc.gridy = 0; gbc.fill = GridBagConstraints.BOTH; JScrollPane s = new JScrollPane(analogDxList); gbl.setConstraints(s, gbc); propPanel.add(s); } // Dialog buttons at the bottom. JPanel buttonPanel = new JPanel(); buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.X_AXIS)); dlg.getContentPane().add(buttonPanel, BorderLayout.SOUTH); // "Run" { JButton b = new JButton("Run"); b.addActionListener( new AbstractAction() { public void actionPerformed(ActionEvent e) { final Object[] dx = analogDxList.getSelectedValues(); if (dx.length != 1) { // "Please select one, and only one, voice resource." JOptionPane.showMessageDialog( dlg, "Please select one, and only one, resource.", "Error", JOptionPane.ERROR_MESSAGE); return; } Thread t = new Thread() { public void run() { runExample((String) dx[0]); } }; t.start(); dlg.dispose(); } }); buttonPanel.add(b); } // "Cancel" { JButton b = new JButton("Cancel"); b.addActionListener( new AbstractAction() { public void actionPerformed(ActionEvent e) { dlg.dispose(); } }); buttonPanel.add(b); } // Pack and Show dlg.pack(); dlg.setLocationRelativeTo(console.frame); dlg.setVisible(true); }