Java 类java.awt.geom.Ellipse2D.Double 实例源码

/**
 * 绘制任务
 */
protected static void drawTask(int x, int y, int width, int height,
        Graphics2D graphics) {
    RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width,
            height, OFFSET_TASK, OFFSET_TASK);
    graphics.draw(rect);
}

/**
 * 绘制子流程
 */
protected static void drawSubProcess(int x, int y, int width, int height,
        Graphics2D graphics) {
    RoundRectangle2D rect = new RoundRectangle2D.Double(x + 1, y + 1,
            width - 2, height - 2, OFFSET_SUBPROCESS, OFFSET_SUBPROCESS);
    graphics.draw(rect);
}

/**
   Constructor

   @param x x coord of upper left corner of fishbody if the fish were a rectangle
   @param y y coord of upper left corner of fishbody if the fish were a rectangle
   @param width width of the fish
   @param height of fish
 */

public Fish(double x, double y, double width, double height)
{

    // Rather than having to scale at the end, we can just
    // draw things the right way to begin with, using the
    // x, y, width and height.   If you haven't already
    // hard coded a particular drawing, this may be an easier
    // way.
    Ellipse2D.Double fishbody = new Ellipse2D.Double (x , y , width, height);
    Line2D.Double toptail = new Line2D.Double (x - width/4.0 , y , x , y + height/2.0);
    Line2D.Double middletail = new Line2D.Double ( x - width/4.0, y , x - width/4.0 , y + height);
    Line2D.Double bottomtail = new Line2D.Double ( x - width/4.0, y + height , x , y + height/2.0);
    Ellipse2D.Double fisheye = new Ellipse2D.Double(x + 0.70* width , y + height/3.0 , width / 8.0 , width/8.0);


    // put the whole fish together

    GeneralPath wholeFish = this.get();
    wholeFish.append(fishbody, false);
    wholeFish.append(toptail, false);
    wholeFish.append(middletail, false);
    wholeFish.append(bottomtail, false);
    wholeFish.append(fisheye,  false);


}

@Override public Shape getBounds() {
  return EZElement.boundHelper(new Ellipse2D.Double(-circle.width / 2, -circle.height / 2, circle.width,
      circle.height), this);
}

/**
 * 绘制任务
 */
protected static void drawEvent(int x, int y, int width, int height,
        Graphics2D graphics) {
    Double circle = new Ellipse2D.Double(x, y, width, height);
    graphics.draw(circle);
}

/**
 * Creates a circle with the given specifications.
 * While this constructor is available for usage, it is highly recommended that you do not use this.
 * Instead call EZ.addCircle() method which will perform additional background actions to get the circle to display
 * on the window properly.
 * 
 * @param x center coordinate.
 * @param y center coordinate.
 * @param width of the circle.
 * @param height of the circle.
 * @param color to use when drawing.
 * @param filled status of whether the drawn circle should be a solid of the given color.
 */
public EZCircle(int x, int y, int width, int height, Color color, boolean filled) {
  circle = new Ellipse2D.Double(x - width / 2, y - height / 2, width, height);
  // transformCircle = new Ellipse2D.Double(-width/2,-height/2,width,height);
  this.color = color;
  this.filled = filled;
  xcd = x;
  ycd = y;
}