myrect.java~2~

Java画版程序。......................要求变态。

package myshape;

/**
 * Title:
 * Description:
 * Copyright:    Copyright (c) 2002
 * Company:
 * @author
 * @version 1.0
 */
import java.awt.*;

public class MyRect extends MyShapeAdapter {

  public MyRect() {
  }
   private MyPoint startPoint,endPoint;
 //private int radius;

 public MyRect(MyPoint start,MyPoint end){
   startPoint=start;
   endPoint=end;
 }
 private Color color=defaultColor;
 public  void setColor(Color c){
   color=c;
 }
 public void paint(Graphics g){
   int width=endPoint.getX()-startPoint.getX();
   int height=endPoint.getY()-startPoint.getY();
   g.setColor(color);
   g.drawRect(startPoint.getX(),startPoint.getY(),width,height);
 }

  public MyShape getShape(){
   MyRect r=(MyRect)this.clone();
   r.startPoint=(MyPoint)startPoint.clone();
   r.endPoint=(MyPoint)endPoint.clone();
   //MyLine l=(MyLine)this.clone();
   //l.startPoint.moveObject(startPoint.getX()+4,centerPoint.getY()+4);
   //l.endPoint.moveObject(endPoint.getX()+4,endPoint.getY()+4);
   return r;
 }

 public void moveObject(int x,int y){
   if(movedPoint!=null){
      if(!moveRect){
       movedPoint.moveObject(x,y);
      }
      else{
        int tempx=x-movedPoint.getX();
        int tempy=y-movedPoint.getY();

        movedPoint=new MyPoint(x,y);
        startPoint.moveObject(tempx+startPoint.getX(),tempy+startPoint.getY());
        endPoint.moveObject(tempx+endPoint.getX(),tempy+endPoint.getY());
      }
   }

 }
 private MyPoint movedPoint;
 private boolean moveRect=false;

 public boolean nearTo(int x,int y){
 //centerPoint.attachToOthers=false;
  movedPoint=null;
  if(startPoint.nearTo(x,y)){
   //  centerPoint.attachToOthers=true;
     movedPoint=startPoint;
     moveRect=false;
     return true;
  }
  if(endPoint.nearTo(x,y)){
     movedPoint=endPoint;
     moveRect=false;
     return true;
  }
  //centerPoint.attachToOthers=true;
  MySegment temp[]=new MySegment[4];
   temp[1]=new MySegment(startPoint,new MyPoint(endPoint.getX(),startPoint.getY()));
   temp[2]=new MySegment(startPoint,new MyPoint(endPoint.getY(),startPoint.getX()));
   temp[3]=new MySegment(endPoint,new MyPoint(endPoint.getX(),startPoint.getY()));
   temp[4]=new MySegment(endPoint,new MyPoint(endPoint.getY(),startPoint.getX()));
 // tempx=(int)Math.sqrt(Math.abs(tempx-tempy));
 //
  for(int i=0;i<4;i++){
   if(temp[i].nearTo(x,y)){
     movedPoint=new MyPoint(x,y);
     moveRect=true;
     return true;
   }
  }
  //System.out.print("OK  "+tempx);

  return false;
 }
 public String toString(){
   String s="矩形";
   return s;
  }
 public MyPoint getPoint(){
   return movedPoint;
 }
}