Пример #1
0
 /** 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;
   }
 }
Пример #2
0
 /** 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());
   }
 }
Пример #3
0
  /** Test client. */
  public static void main(String[] args) {
    StdDraw.square(.2, .8, .1);
    StdDraw.filledSquare(.8, .8, .2);
    StdDraw.circle(.8, .2, .2);

    StdDraw.setPenColor(StdDraw.BOOK_RED);
    StdDraw.setPenRadius(.02);
    StdDraw.arc(.8, .2, .1, 200, 45);

    // draw a blue diamond
    StdDraw.setPenRadius();
    StdDraw.setPenColor(StdDraw.BOOK_BLUE);
    double[] x = {.1, .2, .3, .2};
    double[] y = {.2, .3, .2, .1};
    StdDraw.filledPolygon(x, y);

    // text
    StdDraw.setPenColor(StdDraw.BLACK);
    StdDraw.text(0.2, 0.5, "black text");
    StdDraw.setPenColor(StdDraw.WHITE);
    StdDraw.text(0.8, 0.8, "white text");
  }