j_graphics.java

一个十分好的java基础学习的课件

// ////////////////////////////////////////////////////////
// 
// J_Graphics.java
// 

// ////////////////////////////////////////////////////////

import java.awt.*;
import javax.swing.*;
import java.awt.geom.*;

public class J_Graphics extends JApplet
{

    public void paint(Graphics g)
    { 
        int[]x={55, 67,109, 73, 83, 55, 27, 37,  1, 43};
        int[]y={ 0, 36, 36, 54, 96, 72, 96, 54, 36, 36};

        Graphics2D g2d= (Graphics2D)g;
        g.drawLine(20, 30, 60, 90);
        g2d.translate( 80, 20 );
        g2d.draw(new Rectangle(0, 10, 40, 80));
        g2d.translate( 70, 0 );
        g2d.draw(new java.awt.geom.Arc2D.Double(0, 30, 40, 40, 0, 360, Arc2D.OPEN));
        g2d.translate( 70, 0 );
        g2d.draw(new java.awt.geom.QuadCurve2D.Double(0, 30, 20, 130, 40, 30));
        g2d.translate( 70, 0 );
        g2d.draw(new java.awt.geom.Ellipse2D.Double(0, 10, 40, 80));
        g2d.translate( 70, 0 );
        g2d.draw(new Polygon(x, y, x.length));
    } // End of method: paint 

} // End of class: J_Graphics