ovalfigure.java

来自「java实现的版画图程序」· Java 代码 · 共 50 行

package drawfigure;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: 金京铭</p>
 * @author 孙明辉
 * @version 1.0
 */
import java.awt.*;
import java.awt.geom.*;

public class OvalFigure extends MultiResizeControlFigure implements Cloneable{
  public OvalFigure(){
    super();
  }	
  public OvalFigure(Point2D p){
    super(p);
  }

  public Object clone(){
    OvalFigure ovalFigure=new OvalFigure();
    ovalFigure.setStartPoint((Point2D)getStartPoint().clone());
    ovalFigure.setEndPoint((Point2D)getEndPoint().clone());
    return ovalFigure;
  }
  public boolean pointInside(Point2D p){
    return (p.getX()<Math.max(getStartPoint().getX(),getEndPoint().getX())&&
            p.getX()>Math.min(getStartPoint().getX(),getEndPoint().getX())&&
            p.getY()<Math.max(getStartPoint().getY(),getEndPoint().getY())&&
            p.getY()>Math.min(getStartPoint().getY(),getEndPoint().getY()));
  }
  
//  public void resize(Graphics g,double offsetX,double offsetY){}

  public void draw(Graphics g){
  	Graphics2D g2=(Graphics2D)g;
  	double x1,x2,y1,y2;
    x1=Math.min(getStartPoint().getX(),getEndPoint().getX());
    x2=Math.max(getStartPoint().getX(),getEndPoint().getX());
    y1=Math.min(getStartPoint().getY(),getEndPoint().getY());
    y2=Math.max(getStartPoint().getY(),getEndPoint().getY());
    g2.draw(new Ellipse2D.Double(x1,y1,x2-x1,y2-y1));
    if(isSelected()){
  	  drawCtrlRects(g2);
	} 
  }
 
}