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SimpleGUI.java

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import java.awt.*;

import java.applet.*;

public class SimpleGUI extends Applet

{

Image samImage;

public void init()

{

samImage = getImage(getDocumentBase(), "sample.gif");

}

public void pain(Graphics g)

{

g.clipRect(50,50,180,180);

g.drawLine(0,0,20,30);

g.drawString("图形显示", 100, 30);

// 设置色彩

Color c = new Color(255, 200, 0);

g.setColor(c);

// 设置字体

Font f = new Font("TimesRoman", Font.BOLD + Font.ITALIC, 24);

g.setFont(f);

g.drawString("图形显示", 180, 30);

g.drawLine(20,20,100,50);

g.drawLine(20,20,50,100);

// 矩形

g.drawRect(40,40,40,40);

g.fillRect(60,60,40,40);

g.setColor(Color.red);

// 3D矩形

g.draw3DRect(80,80,40,40,true);

g.draw3DRect(100,100,40,40,false);

g.fill3DRect(120,120,40,40,true);

// 椭圆

g.drawOval(150,150,30,40);

g.fillOval(170,170,20,20);

g.setColor(Color.blue);

// 圆角矩形

g.drawRoundRect(180,180,40,40,20,20);

g.fillRoundRect(200,200,40,40,20,20);

// 多边形

int xC[] = {242,260,254,297,242};

int yC[] = {240,243,290,300,270};

g.drawPolygon(xC,yC,5);

// 图片

g.drawImage(samImage,250,250,this);

}

}