mycircle.java~76~

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.*;
import java.math.*;

public class MyCircle extends  MyShapeAdapter{
 private MyPoint centerPoint,endPoint;
 private int radius;
 //private
 public MyCircle(){
 }
 public MyCircle(MyPoint c,MyPoint e){
 centerPoint=c;
 endPoint=e;
 }
 private Color color=super.defaultColor;
 private Color defaultColor=super.defaultColor;
 public  void setColor(Color c){
   color=c;
 }
 public Color getColor(){
   return color;
 }
 public void setDefaultColor(Color c){
   defaultColor=c;
 }
 public Color getDefaultColor(){
   return defaultColor;
 }
 public void paint(Graphics g){
   g.setColor(color);
   int x=centerPoint.getX()-endPoint.getX();
   int y=centerPoint.getY()-endPoint.getY();
   radius=(int)Math.sqrt(x*x+y*y);
 //  centerPoint.paint(g);
  // endPoint.paint(g);
   g.drawOval(centerPoint.getX()-radius,centerPoint.getY()-radius,radius*2,radius*2);
 }

 public MyShape getShape(){
   MyCircle c=(MyCircle)this.clone();
    c.centerPoint=(MyPoint)centerPoint.clone();
    c.endPoint=(MyPoint)endPoint.clone();
  // c.centerPoint.moveObject(centerPoint.getX()+14,centerPoint.getY()+4);
  // c.endPoint.moveObject(endPoint.getX()+14,endPoint.getY()+4);
   return c;
 }
 public void moveObject(MyShape s,int x,int y){
  MyPoint p1=(MyPoint)s;
  int tempx=centerPoint.getX()-x;
  int tempy=centerPoint.getY()-y;
  //System.out.print("sdfdksd  "+tempx);
  int x1=centerPoint.getX()-endPoint.getX();
  int y1=centerPoint.getY()-endPoint.getY();
  radius=(int)Math.sqrt(x1*x1+y1*y1);
  double tempr=Math.sqrt(tempx*tempx+tempy*tempy);
  p1.moveObject((int)(centerPoint.getX()-tempx/tempr*radius),(int)(centerPoint.getY()-tempy/tempr*radius));
 }
 public void moveObject(int x,int y){
   if(movedPoint!=null){
      if(!moveCircle){
      // movedPoint.moveObject(x,y);
      }
      else{
        int tempx=x-movedPoint.getX();
        int tempy=y-movedPoint.getY();
        movedPoint=new MyPoint(x,y);
        centerPoint.moveObject(tempx+centerPoint.getX(),tempy+centerPoint.getY());
        endPoint.moveObject(tempx+endPoint.getX(),tempy+endPoint.getY());
     }
   }

 }
 private MyPoint movedPoint;
 private boolean moveCircle=true;
 public boolean getChanged(){moveCircle=!moveCirlce;return moveCircle;}

 public boolean nearTo(int x,int y){
 //centerPoint.attachToOthers=false;
 if(centerPoint.nearTo(x,y)){

   //  centerPoint.attachToOthers=true;
    // movedPoint=centerPoint;
     moveCircle=false;
     return false;
  }
  if(endPoint.nearTo(x,y)){
    // movedPoint=endPoint;
     moveCircle=false;
     return false;
  }
  //centerPoint.attachToOthers=true;
  int tempx=centerPoint.getX()-x;
  int tempy=centerPoint.getY()-y;
  tempx=(int)(Math.sqrt(tempx*tempx+tempy*tempy)-radius);
   //System.out.print("OK  "+tempx);
  if(tempx<8 &&tempx>-8){
     movedPoint=new MyPoint(x,y);
     moveCircle=true;
     return true;
  }
  return false;
 }
 public MyPoint getPoint(){
   return movedPoint;
 }
 public String toString(){
 return  "Circle";
 }
}