AWT Font类

Font类是字体的状态，它是在一个可见的方式呈现文本。

类的声明

以下是软件包java.awt.font类的声明：

public class Font
   extends Object
      implements Serializable

字段域

以下是字段java.awt.geom.Arc2D类：

• static int BOLD -- The bold style constant.

• static int CENTER_BASELINE --The baseline used in ideographic scripts like Chinese, Japanese, and Korean when laying out text.

• static String DIALOG --A String constant for the canonical family name of the logical font "Dialog".

• static String DIALOG_INPUT --A String constant for the canonical family name of the logical font "DialogInput".

• static int HANGING_BASELINE -- The baseline used in Devanigiri and similar scripts when laying out text.

• static int ITALIC -- The italicized style constant.

• static int LAYOUT_LEFT_TO_RIGHT -- A flag to layoutGlyphVector indicating that text is left-to-right as determined by Bidi analysis.

• static int LAYOUT_NO_LIMIT_CONTEXT -- A flag to layoutGlyphVector indicating that text in the char array after the indicated limit should not be examined.

• static int LAYOUT_NO_START_CONTEXT -- A flag to layoutGlyphVector indicating that text in the char array before the indicated start should not be examined.

• static int LAYOUT_RIGHT_TO_LEFT -- A flag to layoutGlyphVector indicating that text is right-to-left as determined by Bidi analysis.

• static String MONOSPACED -- A String constant for the canonical family name of the logical font "Monospaced".

• protected String name -- The logical name of this Font, as passed to the constructor.

• static int PLAIN --The plain style constant.

• protected float pointSize -- The point size of this Font in float.

• static int ROMAN_BASELINE --The baseline used in most Roman scripts when laying out text.

• static String SANS_SERIF -- A String constant for the canonical family name of the logical font "SansSerif".

• static String SERIF -- A String constant for the canonical family name of the logical font "Serif".

• protected int size --The point size of this Font, rounded to integer.

• protected int style -- The style of this Font, as passed to the constructor.

• static int TRUETYPE_FONT -- Identify a font resource of type TRUETYPE.

• static int TYPE1_FONT -- Identify a font resource of type TYPE1.

类的构造函数

类方法

继承的方法

这个类继承的方法从以下类：

• java.lang.Object

Font 实例

选择使用任何编辑器创建以下java程序 D:/ > AWT > com > zaixian > gui >

package com.zaixian.gui;

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;

public class AWTGraphicsDemo extends Frame {
       
   public AWTGraphicsDemo(){
      super("Java AWT Examples");
      prepareGUI();
   }

   public static void main(String[] args){
      AWTGraphicsDemo  awtGraphicsDemo = new AWTGraphicsDemo();  
      awtGraphicsDemo.setVisible(true);
   }

   private void prepareGUI(){
      setSize(400,400);
      addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent windowEvent){
            System.exit(0);
         }        
      }); 
   }    

   @Override
   public void paint(Graphics g) {
      Graphics2D g2 = (Graphics2D)g;        
      Font plainFont = new Font("Serif", Font.PLAIN, 24);        
      g2.setFont(plainFont);
      g2.drawString("Welcome to TutorialsPoint", 50, 70); 
      Font italicFont = new Font("Serif", Font.ITALIC, 24);        
      g2.setFont(italicFont);
      g2.drawString("Welcome to TutorialsPoint", 50, 120); 
      Font boldFont = new Font("Serif", Font.BOLD, 24);        
      g2.setFont(boldFont);
      g2.drawString("Welcome to TutorialsPoint", 50, 170); 
      Font boldItalicFont = new Font("Serif", Font.BOLD+Font.ITALIC, 24);        
      g2.setFont(boldItalicFont);
      g2.drawString("Welcome to TutorialsPoint", 50, 220); 
   }
}

编译程序，使用命令提示符。进入到D:/> AWT，然后键入以下命令。

D:AWT>javac comzaixianguiAWTGraphicsDemo.java

如果没有错误出现，这意味着编译成功。使用下面的命令来运行程序。

D:AWT>java com.zaixian.gui.AWTGraphicsDemo

验证下面的输出