public static FontMetrics getFontMetrics(JComponent c, Graphics g, Font f) {
FontMetrics fm = null;
if (getJavaVersion() >= 1.6) {
try {
Class swingUtilities2Class = Class.forName("sun.swing.SwingUtilities2");
Class classParams[] = {JComponent.class, Graphics.class, Font.class};
Method m = swingUtilities2Class.getMethod("getFontMetrics", classParams);
Object methodParams[] = {c, g, f};
fm = (FontMetrics) m.invoke(null, methodParams);
} catch (Exception ex) {
// Nothing to do
}
}
if (fm == null) {
if (g == null) {
if (c != null) {
g = c.getGraphics();
}
}
if (g != null) {
if (f != null) {
fm = g.getFontMetrics(f);
} else {
fm = g.getFontMetrics();
}
} else if (c != null) {
if (f != null) {
fm = c.getFontMetrics(f);
} else {
fm = c.getFontMetrics(c.getFont());
}
}
}
return fm;
}
private void drawLine(JComponent c, int x, int y) {
_xedit = x;
_yedit = y;
Graphics g = c.getGraphics();
g.setColor(Color.BLACK);
g.setXORMode(c.getBackground());
g.drawLine(_xdown, _ydown, _xedit, _yedit);
g.dispose();
}
public static void main(String args[]) {
JComponent ch = new JComponent() {};
ch.getAccessibleContext();
ch.isFocusTraversable();
ch.setEnabled(false);
ch.setEnabled(true);
ch.requestFocus();
ch.requestFocusInWindow();
ch.getPreferredSize();
ch.getMaximumSize();
ch.getMinimumSize();
ch.contains(1, 2);
Component c1 = ch.add(new Component() {});
Component c2 = ch.add(new Component() {});
Component c3 = ch.add(new Component() {});
Insets ins = ch.getInsets();
ch.getAlignmentY();
ch.getAlignmentX();
ch.getGraphics();
ch.setVisible(false);
ch.setVisible(true);
ch.setForeground(Color.red);
ch.setBackground(Color.red);
for (String font : Toolkit.getDefaultToolkit().getFontList()) {
for (int j = 8; j < 17; j++) {
Font f1 = new Font(font, Font.PLAIN, j);
Font f2 = new Font(font, Font.BOLD, j);
Font f3 = new Font(font, Font.ITALIC, j);
Font f4 = new Font(font, Font.BOLD | Font.ITALIC, j);
ch.setFont(f1);
ch.setFont(f2);
ch.setFont(f3);
ch.setFont(f4);
ch.getFontMetrics(f1);
ch.getFontMetrics(f2);
ch.getFontMetrics(f3);
ch.getFontMetrics(f4);
}
}
ch.enable();
ch.disable();
ch.reshape(10, 10, 10, 10);
ch.getBounds(new Rectangle(1, 1, 1, 1));
ch.getSize(new Dimension(1, 2));
ch.getLocation(new Point(1, 2));
ch.getX();
ch.getY();
ch.getWidth();
ch.getHeight();
ch.isOpaque();
ch.isValidateRoot();
ch.isOptimizedDrawingEnabled();
ch.isDoubleBuffered();
ch.getComponentCount();
ch.countComponents();
ch.getComponent(1);
ch.getComponent(2);
Component[] cs = ch.getComponents();
ch.getLayout();
ch.setLayout(new FlowLayout());
ch.doLayout();
ch.layout();
ch.invalidate();
ch.validate();
ch.remove(0);
ch.remove(c2);
ch.removeAll();
ch.preferredSize();
ch.minimumSize();
ch.getComponentAt(1, 2);
ch.locate(1, 2);
ch.getComponentAt(new Point(1, 2));
ch.isFocusCycleRoot(new Container());
ch.transferFocusBackward();
ch.setName("goober");
ch.getName();
ch.getParent();
ch.getGraphicsConfiguration();
ch.getTreeLock();
ch.getToolkit();
ch.isValid();
ch.isDisplayable();
ch.isVisible();
ch.isShowing();
ch.isEnabled();
ch.enable(false);
ch.enable(true);
ch.enableInputMethods(false);
ch.enableInputMethods(true);
ch.show();
ch.show(false);
ch.show(true);
ch.hide();
ch.getForeground();
ch.isForegroundSet();
ch.getBackground();
ch.isBackgroundSet();
ch.getFont();
ch.isFontSet();
Container c = new Container();
c.add(ch);
ch.getLocale();
for (Locale locale : Locale.getAvailableLocales()) ch.setLocale(locale);
ch.getColorModel();
ch.getLocation();
boolean exceptions = false;
try {
ch.getLocationOnScreen();
} catch (IllegalComponentStateException e) {
exceptions = true;
}
if (!exceptions)
throw new RuntimeException("IllegalComponentStateException did not occur when expected");
ch.location();
ch.setLocation(1, 2);
ch.move(1, 2);
ch.setLocation(new Point(1, 2));
ch.getSize();
ch.size();
ch.setSize(1, 32);
ch.resize(1, 32);
ch.setSize(new Dimension(1, 32));
ch.resize(new Dimension(1, 32));
ch.getBounds();
ch.bounds();
ch.setBounds(10, 10, 10, 10);
ch.setBounds(new Rectangle(10, 10, 10, 10));
ch.isLightweight();
ch.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR));
ch.getCursor();
ch.isCursorSet();
ch.inside(1, 2);
ch.contains(new Point(1, 2));
ch.isFocusable();
ch.setFocusable(true);
ch.setFocusable(false);
ch.transferFocus();
ch.getFocusCycleRootAncestor();
ch.nextFocus();
ch.transferFocusUpCycle();
ch.hasFocus();
ch.isFocusOwner();
ch.toString();
ch.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
ch.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
ch.setComponentOrientation(ComponentOrientation.UNKNOWN);
ch.getComponentOrientation();
}