// init
private static void init() {
if (frame != null) frame.setVisible(false);
frame = new JFrame();
offscreenImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
onscreenImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
offscreen = offscreenImage.createGraphics();
onscreen = onscreenImage.createGraphics();
setXscale();
setYscale();
offscreen.setColor(DEFAULT_CLEAR_COLOR);
offscreen.fillRect(0, 0, width, height);
setPenColor();
setPenRadius();
setFont();
clear();
// add anti-aliasing
RenderingHints hints =
new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
offscreen.addRenderingHints(hints);
// frame stuff
ImageIcon icon = new ImageIcon(onscreenImage);
JLabel draw = new JLabel(icon);
draw.addMouseListener(std);
draw.addMouseMotionListener(std);
frame.setContentPane(draw);
frame.addKeyListener(std); // JLabel cannot get keyboard focus
frame.setResizable(false);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // closes all windows
// frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); // closes only current window
frame.setTitle("Standard Draw");
frame.setJMenuBar(createMenuBar());
frame.pack();
frame.requestFocusInWindow();
frame.setVisible(true);
}
static void buildGUI() {
// Need this size to balance axes.
frame.setSize(520, 690);
frame.setTitle("DrawTool");
frame.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
Container cPane = frame.getContentPane();
// Status label on top. Unused for now.
statusLabel.setOpaque(true);
statusLabel.setBackground(Color.white);
cPane.add(statusLabel, BorderLayout.NORTH);
// Build the input/output elements at the bottom.
JPanel panel = new JPanel();
panel.setBorder(BorderFactory.createLineBorder(Color.black));
panel.setBackground(inputPanelColor);
panel.setLayout(new GridLayout(2, 1));
panel.add(outputLabel);
JPanel bottomPanel = new JPanel();
bottomPanel.setBackground(inputPanelColor);
bottomPanel.add(inputField);
bottomPanel.add(new JLabel(" "));
JButton enterButton = new JButton("Enter");
enterButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent a) {
hasEntered = true;
}
});
bottomPanel.add(enterButton);
panel.add(bottomPanel);
if (!sequencingOn) {
cPane.add(panel, BorderLayout.SOUTH);
}
// Drawing in the center.
drawArea = new DrawTool();
if (sequencingOn) {
frame.addKeyListener(
new KeyAdapter() {
public void keyTyped(KeyEvent e) {
handleKeyTyped(e);
}
});
}
cPane.add(drawArea, BorderLayout.CENTER);
drawArea.addMouseListener(
new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
handleMouseClick(e);
}
public void mouseReleased(MouseEvent e) {
handleMouseReleased(e);
}
});
drawArea.addMouseMotionListener(
new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
handleMouseDragged(e);
}
});
}