获取字体，大小，粗体，等等

本文介绍了获取字体，大小，粗体，等等的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我在查找Windows字体或预定义字体和大小时遇到问题。所以对于我的java程序，我有一个带有字体，大小和颜色的 JComboBox 。问题是我需要预先输入字体，大小和颜色。我将如何能够获得预定义的字体，颜色和大小？到目前为止，这是我对这种字体的，但它不正确的方式。

  if（font.equals（Arial））{
 
 if（size.equals 8））{
 setSize = 8; 
} else if（size.equals（10））{
 setSize = 10; 
} else if（size.equals（12））{
 setSize = 12; 
 
 
 if（color.equals（Black））{
 setColor = Color.BLACK; 
} else if（color.equals（Blue））{
 setColor = Color.BLUE; 
} else if（color.equals（Red））{
 setColor = Color.red; 
} 
 
字体font = new Font（Arial，setAttribute，setSize）; 
 Writer.setFont（font）; 
 Writer.setForeground（setColor）;

解决方案

  GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment（）; 
 String [] fonts = ge.getAvailableFontFamilyNames（）;

大小和样式可以在运行时设置。

EG

  import java.awt。*; 
 import javax.swing。*; 
 $ b class ShowFonts {
 
 public static void main（String [] args）{
 SwingUtilities.invokeLater（new Runnable（）{
 public void run （）{
 GraphicsEnvironment ge = GraphicsEnvironment。
 getLocalGraphicsEnvironment（）; 
 String [] fonts = ge.getAvailableFontFamilyNames（）; 
 JComboBox fontChooser = new JComboBox（fonts）; 
 fontChooser.setRenderer（new FontCellRenderer（））; 
 JOptionPane.showMessageDialog（null，fontChooser）; 
} 
}）; 
 
 
 
 class FontCellRenderer extends DefaultListCellRenderer {
 $ b $ public Component getListCellRendererComponent（
 JList list，
 Object value，
 int index，
 boolean isSelected，
 boolean cellHasFocus）{
 JLabel label =（JLabel）super.getListCellRendererComponent（
 list，value，index，isSelected，cellHasFocus）; 
 Font font = new Font（（String）value，Font.PLAIN，20）; 
 label.setFont（font）; 
退货标签; 
 
 
 
 
  JavaDoc 
 
 
 用于的状态部分.. 
 
I'm having trouble finding stuff on accessing Windows fonts or predefined fonts, and sizes. So for my java program I have a JComboBox with fonts, sizes, and colors. The problem is that I need to pre-Enter the fonts, sizes and colors. How would I be able to get the predefined fonts, colors, and sizes? So far this is what I have for this font but its not in the correct way. 
               if (font.equals("Arial")) {

                if (size.equals("8")) {
                    setSize = 8;
                } else if (size.equals("10")) {
                    setSize = 10;
                } else if (size.equals("12")) {
                    setSize = 12;
                }

                if (color.equals("Black")) {
                    setColor = Color.BLACK;
                } else if (color.equals("Blue")) {
                    setColor = Color.BLUE;
                } else if (color.equals("Red")) {
                    setColor = Color.red;
                }

                Font font = new Font("Arial", setAttribute, setSize);
                Writer.setFont(font);
                Writer.setForeground(setColor);
 解决方案 
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
String[] fonts = ge.getAvailableFontFamilyNames();
The sizes and styles can be set at run-time.
E.G.
import java.awt.*;
import javax.swing.*;

class ShowFonts {

    public static void main(String[] args) {
        SwingUtilities.invokeLater( new Runnable() {
            public void run() {
                GraphicsEnvironment ge = GraphicsEnvironment.
                    getLocalGraphicsEnvironment();
                String[] fonts = ge.getAvailableFontFamilyNames();
                JComboBox fontChooser = new JComboBox(fonts);
                fontChooser.setRenderer(new FontCellRenderer());
                JOptionPane.showMessageDialog(null, fontChooser);
            }
        });
    }
}

class FontCellRenderer extends DefaultListCellRenderer {

    public Component getListCellRendererComponent(
        JList list,
        Object value,
        int index,
        boolean isSelected,
        boolean cellHasFocus) {
        JLabel label = (JLabel)super.getListCellRendererComponent(
            list,value,index,isSelected,cellHasFocus);
        Font font = new Font((String)value, Font.PLAIN, 20);
        label.setFont(font);
        return label;
    }
}
JavaDoc
The JDoc for GraphicsEnvironment.getAvailableFontFamilyNames() state in part..
                        
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