paint4.java

package main;

import java.util.*;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
@SuppressWarnings("unchecked")

class Paint4 extends Frame implements MouseListener,MouseMotionListener,ActionListener{
    int x,y;
    Vector<Figure> objList;
    CheckboxGroup cbg,clr,dof;
    Checkbox c1,c2,c3,c4,c5,red,green,blue,draw,full;
    Button end;
    int mode =0;
    Figure obj;

    public static void main(String[] args){
        Paint4 f =new Paint4();
        f.setSize(640,640);
        f.setTitle("Paint Sample");
        f.addWindowListener(new WindowAdapter(){
            @Override public void windowClosing(WindowEvent e){
                System.exit(0);
            }});
        f.setVisible(true);

        if(args.length ==1)	f.load(args[0]);
        //f.load("paint.dat");
    }

    Paint4(){
        objList = new Vector<Figure>();

        // UIの設定
        cbg   = new CheckboxGroup();
        clr   = new CheckboxGroup();
        dof   = new CheckboxGroup();
        c1    = new Checkbox("maru",cbg,true);
        c2    = new Checkbox("en",cbg,false);
        c3    = new Checkbox("shikaku",cbg,false);
        c4    = new Checkbox("sen",cbg,false);
        c5    = new Checkbox("origin",cbg,false);
        end   = new Button("end");
        red   = new Checkbox("red",clr,true);
        green = new Checkbox("green",clr,false);
        blue  = new Checkbox("blue",clr,false);
        draw  = new Checkbox("draw",dof,true);
        full  = new Checkbox("full",dof,false);
        c1.setBounds(560,30,80,30);
        c2.setBounds(560,60,80,30);
        c3.setBounds(560,90,90,30);
        c4.setBounds(560,120,80,30);
        c5.setBounds(560,150,80,30);
        end.setBounds(560,300,80,30);
        red.setBounds(560,360,80,30);
        green.setBounds(560,390,80,30);
        blue.setBounds(560,420,80,30);
        draw.setBounds(560,480,80,30);
        full.setBounds(560,510,80,30);
        setLayout(null);

        // UIの追加
        add(c1);
        add(c2);
        add(c3);
        add(c4);
        add(c5);
        add(end);
        add(red);
        add(green);
        add(blue);
        add(draw);
        add(full);

        addMouseListener(this);
        addMouseMotionListener(this);
        end.addActionListener(this);
    }

    public void save(String fname){
        try{
            FileOutputStream fos = new FileOutputStream(fname);
            ObjectOutputStream oos = new ObjectOutputStream(fos);
            oos.writeObject(objList);
            oos.close();
            fos.close();
        } catch(IOException e){
        }
    }
    public void load(String fname){
        try{
            FileInputStream fis = new FileInputStream(fname);
            ObjectInputStream ois = new ObjectInputStream(fis);
            objList = (Vector<Figure>)ois.readObject();
            ois.close();
            fis.close();
        } catch(IOException e){
        } catch(ClassNotFoundException e){
        }
        repaint();
    }
    @Override public void paint(Graphics g){
        Figure f;
        for(int i=0;i< objList.size();i++){
            f=(Figure)objList.elementAt(i);
            f.paint(g);
        }
        if(mode>=1) obj.paint(g);
    }

    @Override public void actionPerformed(ActionEvent e){
        save("paint.dat");
        System.exit(0);
    }
    public void mousePressed(MouseEvent e){
        Checkbox c;
        Checkbox i;
        Checkbox d;
        x = e.getX();
        y = e.getY();
        c =cbg.getSelectedCheckbox();
        i =clr.getSelectedCheckbox();
        d =dof.getSelectedCheckbox();
        obj=null;
        if(i==red){
            Figure.color=1;
        }else if(i==green){
            Figure.color=2;
        }else if(i==blue){
            Figure.color=3;
        }
        if(c==c1){
            mode=1;
            if(d==draw)	obj=new Ring();
            else if(d==full)	obj=new Ring2();
        }else if(c==c2){
            mode=2;
            if(d==draw)	obj=new Circle();
            else if(d==full)	obj=new Circle2();
        }else if(c==c3){
            mode=2;
            if(d==draw)	obj=new Box();
            else if(d==full)	obj=new Box2();
        }else if(c==c4){
            mode=2;
            obj=new Line();
        }else if(c==c5){
            mode=2;
            obj=new Origin();
        }

        if(obj != null){
            obj.moveto(x,y);
            repaint();
        }
    }
    @Override public void mouseReleased(MouseEvent e){
        x=e.getX();
        y=e.getY();
        if(mode ==1)			obj.moveto(x,y);
        else if(mode==2)		obj.setWH(x - obj.x,y - obj.y);
        if(mode >=1){
            objList.add(0,obj);
            obj = null;
        }
        mode = 0;
        repaint();

    }
    @Override public void mouseClicked(MouseEvent e){}
    @Override public void mouseEntered(MouseEvent e){}
    @Override public void mouseExited(MouseEvent e){}
    @Override public void mouseDragged(MouseEvent e){
        x=e.getX();
        y=e.getY();
        if(mode==1){
            obj.moveto(x,y);
        }else if(mode==2){
            obj.setWH(x - obj.x ,y - obj.y);
        }
        repaint();
    }
    @Override public void mouseMoved(MouseEvent e){}
}
class Coord implements Serializable{
    int x,y;
    Coord(){
        x=y=0;
    }
    public void move(int x,int y){
        this.x += x;
        this.y += y;

    }
    public void moveto(int x,int y){
        this.x = x;
        this.y = y;
    }
}

class Figure extends Coord implements Serializable{
    static int color;
    int w,h;
    Color clr;
    Figure(){
        if(color==1)		clr=new Color(255,0,0);
        else if(color==2)		clr=new Color(0,255,0);
        else if(color==3)		clr=new Color(0,0,255);
        w=h=0;
    }
    public void paint(Graphics g){}
    public void setWH(int w,int h){
        this.w=w;
        this.h=h;
    }
}
class Ring extends Figure implements Serializable{
    int size;
    Ring(){
        size=10;
    }
    @Override public void paint(Graphics g){
        g.setColor(clr);
        g.drawOval(x - size/2, y - size/2, size, size);
    }
}
class Ring2 extends Figure implements Serializable{
    int size;
    Ring2(){
        size=10;
    }
    @Override public void paint(Graphics g){
        g.setColor(clr);
        g.fillOval(x - size/2, y - size/2, size, size);
    }
}
class Circle extends Figure implements Serializable{
    Circle(){}
    @Override public void paint(Graphics g){
        int r=(int)Math.sqrt((double)(w*w+h*h));
        g.setColor(clr);
        g.drawOval(x-r,y-r,r*2,r*2);

    }
}
class Circle2 extends Figure implements Serializable{
    Circle2(){}
    @Override public void paint(Graphics g){
        int r=(int)Math.sqrt((double)(w*w+h*h));
        g.setColor(clr);
        g.fillOval(x-r,y-r,r*2,r*2);
    }
}
class Box extends Figure implements Serializable{
    Box(){}
    @Override public void paint(Graphics g){
        g.setColor(clr);
        if(w>0 && h>0){
            g.drawRect(x,y,w,h);
        }
        else if(w<0 && h>0){
            g.drawRect(x+w,y,-w,h);
        }
        else if(w>0 && h<0){
            g.drawRect(x,y+h,w,-h);
        }
        else if(w<0 && h<0){
            g.drawRect(x+w,y+h,-w,-h);
        }
    }
}
class Box2 extends Figure implements Serializable{
    Box2(){}
    @Override public void paint(Graphics g){
        g.setColor(clr);
        if(w>0 && h>0){
            g.fillRect(x,y,w,h);
        }
        else if(w<0 && h>0){
            g.fillRect(x+w,y,-w,h);
        }
        else if(w>0 && h<0){
            g.fillRect(x,y+h,w,-h);
        }
        else if(w<0 && h<0){
            g.fillRect(x+w,y+h,-w,-h);
        }
    }
}
class Line extends Figure implements Serializable{
    Line(){}
    @Override public void paint(Graphics g){
        g.setColor(clr);
        g.drawLine(x,y,x+w,x+h);
    }
}

class Origin extends Figure implements Serializable{
    @Override public void paint(Graphics g){
        int r=(int)Math.sqrt((double)(w*w+h*h));
        g.setColor(clr);
        g.drawOval(x-r,y-r,r*2,r*2);

        int r2=(int)Math.sqrt((double)((w-50)*(w-50)+(h-50)*(h-50)));
        g.setColor(clr);
        g.drawOval(x-r2,y-r2,r2*2,r2*2);
    }


}