drawrectapplet.java

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// Fig. 2.7_01: DrawRectApplet.java
// 绘制方角矩形和圆角矩形

// 引入相关的包
import java.awt.*; // 引入 java.awt包中所有的类
import javax.swing.*; // 引入 javax.swing包中所有的类

public class DrawRectApplet extends JApplet
{
    // 在applet上绘制矩形
    public void paint(Graphics g)
    {
        // 调用父类的 paint 方法
        super.paint(g);

		//设置字体
		g.setFont(new Font("汉真广标", Font.PLAIN, 35)); 
	    g.drawString("普通矩形的画法", 10, 40);
		
		//绘制方角矩形
		g.setColor(Color.RED);
		g.drawRect(10, 60, 150, 120);

		// 绘制园角矩形1
		g.setColor( Color.LIGHT_GRAY );
		g.drawRect( 210, 60, 150, 120 );
		g.setColor( Color.BLUE );
		g.drawRoundRect( 210, 60, 150, 120, 60, 40);

		// 绘制园角矩形2
		g.setColor( Color.LIGHT_GRAY  );
		g.drawRect( 410, 60, 150, 120 );
		g.setColor( Color.BLUE );
		g.drawRoundRect( 410, 60, 150, 120, 80, 80);

    } // paint 方法结束

} // DrawRectApplet 类结束

/**************************************************************************
 * (C) Copyright 2004-2005 by Jingkui Zhong(钟京馗) and Huan Tang(唐桓).  *
 * All Rights Reserved.                                                   *
 *                                                                        *
 * DISCLAIMER: The authors of this code have used their                   *
 * best efforts in preparing the code. These efforts include the          *
 * development, research, and testing of the theories and programs        *
 * to determine their effectiveness. The authors and publisher make       *
 * no warranty of any kind, expressed or implied, with regard to these    *
 * programs or to the documentation contained in these codes. The authors *
 * shall not be liable in any event for incidental or consequential       *
 * damages in connection with, or arising out of, the furnishing,         *
 * performance, or use of these programs.                                 *
 **************************************************************************/