/** This method cannot be called directly. */
public void mousePressed(MouseEvent e) {
synchronized (mouseLock) {
mouseX = StdDraw.userX(e.getX());
mouseY = StdDraw.userY(e.getY());
mousePressed = true;
}
}
/** This method cannot be called directly. */
public void actionPerformed(ActionEvent e) {
FileDialog chooser =
new FileDialog(StdDraw.frame, "Use a .png or .jpg extension", FileDialog.SAVE);
chooser.setVisible(true);
String filename = chooser.getFile();
if (filename != null) {
StdDraw.save(chooser.getDirectory() + File.separator + chooser.getFile());
}
}
/** Test client. */
public static void main(String[] args) {
// set the scale of the coordinate system
StdDraw.setXscale(0, 10);
StdDraw.setYscale(0, 10);
// Draw line
StdDraw.line(1, 1, 8, 8);
// Draw square
StdDraw.setPenColor(StdDraw.RED);
StdDraw.setPenRadius(.01);
StdDraw.square(3, 3, 2);
// Draw filled Square
StdDraw.setPenColor(StdDraw.BLUE);
StdDraw.filledSquare(5, 8, 2);
// Draw Circle
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.setPenRadius();
StdDraw.circle(5, 5, 2);
// text
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.text(6, 1, "black text");
}