circleobj.java

来自「基于jxta的局域网P2P文件共享,可以实现局域网中的文件p2p共享,实现文件快」· Java 代码 · 共 69 行

package connex.plugins.whiteboard;

import java.awt.Graphics2D;
import java.awt.Color;
import java.awt.RenderingHints;
import java.awt.geom.Ellipse2D;

import java.awt.geom.Ellipse2D;
import java.awt.geom.Point2D;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class CircleObj
    extends ClosedShape {

  public void draw() {
    if (start == null || end == null) {
      return;
    }

    g2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                         RenderingHints.VALUE_ANTIALIAS_ON);

    if (select != 0) {
      drawSelection();

    }
    else {
      g2D.setColor(drawColor);
      g2D.drawOval(x1, y1, x2 - x1, y2 - y1);
    }

    if (fillColor != null) {
      fill(fillColor);
    }

  }

  protected void shapeSelection() {

    g2D.setColor(Color.gray);
    g2D.drawOval(x1, y1, x2 - x1, y2 - y1);
  }

  public void fill(Color color) {
    fillColor = color;

    if (lastS != null && lastE != null) {
      if (lastE.equals(end) && lastS.equals(start)) {
        g2D.setColor(fillColor);
        setBounds(this.start, this.end);
        g2D.fillOval(x1 + 1, y1 + 1, x2 - x1 - 1, y2 - y1 - 1);

      }
    }

  }
}