愛悠閑 > FigurePanel類的實例

FigurePanel類的實例

分類: Java  |  作者: u014068781 相關  |  發布日期 : 2015-03-03  |  熱度 : 825°
import java.awt.*;
import javax.swing.*;
public class TestFigurePanel  extends JFrame{
	public TestFigurePanel(){
		setLayout(new GridLayout(2,3,5,5));
		add(new FigurePanel(FigurePanel.LINE));
		add(new FigurePanel(FigurePanel.RECTANGLE));
		add(new FigurePanel(FigurePanel.ROUND_RECTANGLE));
		add(new FigurePanel(FigurePanel.OVAL));
		add(new FigurePanel(FigurePanel.RECTANGLE,true));
		add(new FigurePanel(FigurePanel.ROUND_RECTANGLE,true));
	}
	public static void main(String[] args){
		TestFigurePanel frame=new TestFigurePanel();
		frame.setTitle("TestFigurePanel");
		frame.setSize(400, 200);
		frame.setLocationRelativeTo(null);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}
}
import java.awt.*;
import javax.swing.*;
public class FigurePanel extends JPanel{
	public static final int LINE=1;
	public static final int RECTANGLE=2;
    public static final int ROUND_RECTANGLE=3;
    public static final int OVAL=4;
    private int type=1;
    private boolean filled=false;
    public FigurePanel(){
    }
    public FigurePanel(int type){
    	this.type=type;
    }
    public FigurePanel(int type,boolean filled ){
    	this.type=type;
    	this.filled=filled;
    }
	protected void paintComponent(Graphics g){
		super.paintComponent(g);
		int width=getWidth();
		int height=getHeight();
		switch(type){
		case LINE:
			g.setColor(Color.BLACK);
			g.drawLine(10,10,width-10,height-10);
			g.drawLine(width-10, 10, 10, height-10);
			break;
		case RECTANGLE:
			g.setColor(Color.BLUE);
			if(filled)
				g.fillRect((int)(0.1*width),(int)(0.1*height),(int)(0.8*width),(int)(0.8*height));
			else
				g.drawRect((int)(0.1*width),(int)(0.1*height),(int)(0.8*width),(int)(0.8*height));
			break;
		case ROUND_RECTANGLE:
			g.setColor(Color.RED);
			if(filled)
				g.fillRoundRect((int)(0.1*width), (int)(0.1*height), (int)(0.8*width),(int)(0.8*height), 20, 20);
			else
				g.drawRoundRect((int)(0.1*width), (int)(0.1*height), (int)(0.8*width),(int)(0.8*height), 20, 20);
			break;
		case OVAL:
			g.setColor(Color.BLACK);
			if(filled)
				g.fillOval((int)(0.1*width),(int)(0.1*height),(int)(0.8*width),(int)(0.8*height));
			else
				g.drawOval((int)(0.1*width),(int)(0.1*height),(int)(0.8*width),(int)(0.8*height));
			break;		
		}
	}
	public void setType(int type){
		this.type=type;
		repaint();
	}
	public int getType(){
		return type;
	}
	public void setFilled(boolean filled){
		this.filled=filled;
	}
	public boolean isFilled(){
		return filled;
	}
	public Dimension getPreferredSize(){
		return new Dimension(80,80);
	}
}


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