Java by API/java.awt

• AWTEvent
• AWTEventMulticaster
• AWTPermission
• ActionListener
• AlphaComposite
• AudioClip
• BasicStroke
• BorderLayout
• CardLayout
• Color
• Component
• ComponentOrientation
• Container
• Cursor
• DebugGraphics
• Desktop
• Dialog
• DisplayMode
• EventQueue
• FileDialog
• FlowLayout
• FocusTraversalPolicy
• Frame
• GradientPaint
• Graphics
• Graphics2D
• GraphicsConfiguration
• GraphicsDevice
• GraphicsEnvironment
• GridBagConstraints
• GridBagLayout
• GridLayout
• Image
• ItemSelectable
• KeyboardFocusManager
• LayoutManager
• LayoutManager2
• MediaTracker
• Point
• Rectangle
• RenderingHints
• Robot
• Shape
• SplashScreen
• SpringLayout
• SpringLayout.Constraints
• SystemColor
• SystemTray
• TexturePaint
• Toolkit
• Transparency
• TrayIcon

Font.BOLD

   <source lang="java">

import java.awt.Font; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
     Font f = new Font ("Serif", Font.PLAIN, 12);
     g.setFont (f);
     g.drawString ("Serif - PLAIN - 12", 10, 30);
     f = new Font ("Sanserif", Font.ITALIC, 10);
     g.setFont (f);
     g.drawString ("Sanserif - ITALIC - 10", 10, 60);
     f = new Font ("Monospaced", Font.BOLD | Font.ITALIC, 14);
     g.setFont (f);
     g.drawString ("Monospaced - BOLD and ITALIC - 14", 10, 90);
     f = new Font ("Dialog", Font.PLAIN, 12);
     g.setFont (f);
     g.drawString ("Dialog - PLAIN - 12", 10, 120);
     f = new Font ("DialogInput", Font.BOLD + Font.ITALIC, 10);
     g.setFont (f);
     g.drawString ("DialogInput - BOLD and ITALIC - 10", 10, 150);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

Font.BOLD | Font.ITALIC

   <source lang="java">

import java.awt.Font; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
     Font f = new Font ("Serif", Font.PLAIN, 12);
     g.setFont (f);
     g.drawString ("Serif - PLAIN - 12", 10, 30);
     f = new Font ("Sanserif", Font.ITALIC, 10);
     g.setFont (f);
     g.drawString ("Sanserif - ITALIC - 10", 10, 60);
     f = new Font ("Monospaced", Font.BOLD | Font.ITALIC, 14);
     g.setFont (f);
     g.drawString ("Monospaced - BOLD and ITALIC - 14", 10, 90);
     f = new Font ("Dialog", Font.PLAIN, 12);
     g.setFont (f);
     g.drawString ("Dialog - PLAIN - 12", 10, 120);
     f = new Font ("DialogInput", Font.BOLD + Font.ITALIC, 10);
     g.setFont (f);
     g.drawString ("DialogInput - BOLD and ITALIC - 10", 10, 150);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

Font: createFont(int fontFormat, InputStream fontStream)

   <source lang="java">

import java.awt.Font; import java.awt.FontFormatException; import java.io.IOException; import java.io.InputStream; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void loadFont() throws FontFormatException, IOException{
   String fontFileName = "yourfont.ttf";
   InputStream is = this.getClass().getResourceAsStream(fontFileName);
   Font ttfBase = Font.createFont(Font.TRUETYPE_FONT, is);
   Font ttfReal = ttfBase.deriveFont(Font.PLAIN, 24);
   
 }
 public static void main(String[] args) {
 }

}

 </source>
   
  
 
  

Font: createGlyphVector(FontRenderContext frc, String str)

   <source lang="java">

import java.awt.Container; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.font.FontRenderContext; import java.awt.font.GlyphVector; import javax.swing.JComponent; import javax.swing.JFrame; public class MainClass{

 public static void main(String[] args) {
   JFrame jf = new JFrame("Demo");
   Container cp = jf.getContentPane();
   MyCanvas tl = new MyCanvas();
   cp.add(tl);
   jf.setSize(300, 200);
   jf.setVisible(true);
 }

} class MyCanvas extends JComponent {

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D)g;
   g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
       RenderingHints.VALUE_ANTIALIAS_ON);
   
   String s = "www.jexp.ru";
   Font font = new Font("Serif", Font.PLAIN, 24);
   FontRenderContext frc = g2.getFontRenderContext();
   GlyphVector gv = font.createGlyphVector(frc, s);
   g2.drawGlyphVector(gv, 40, 60);
 }

}

 </source>
   
  
 
  

Font: deriveFont(int style, float size)

   <source lang="java">

import java.awt.Font; import java.awt.FontFormatException; import java.io.IOException; import java.io.InputStream; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void loadFont() throws FontFormatException, IOException{
   String fontFileName = "yourfont.ttf";
   InputStream is = this.getClass().getResourceAsStream(fontFileName);
   Font ttfBase = Font.createFont(Font.TRUETYPE_FONT, is);
   Font ttfReal = ttfBase.deriveFont(Font.PLAIN, 24);
   
 }
 public static void main(String[] args) {
 }

}

 </source>
   
  
 
  

Font: getFamily()

   <source lang="java">

import java.awt.Font; import java.awt.GraphicsEnvironment; public class MainClass {

 public static void main(String[] args) throws Exception {
   Font[] fonts  = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();
   for (int i = 0; i < fonts.length; i++) {
     System.out.print(fonts[i].getFontName() + " : ");
     System.out.print(fonts[i].getFamily() + " : ");
     System.out.print(fonts[i].getName());
     System.out.println();
   }
 }

}

 </source>
   
  
 
  

Font: getFontName()

   <source lang="java">

import java.awt.Font; import java.awt.GraphicsEnvironment; public class MainClass {

 public static void main(String[] args) throws Exception {
   Font[] fonts  = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();
   for (int i = 0; i < fonts.length; i++) {
     System.out.print(fonts[i].getFontName() + " : ");
     System.out.print(fonts[i].getFamily() + " : ");
     System.out.print(fonts[i].getName());
     System.out.println();
   }
 }

}

 </source>
   
  
 
  

Font: getLineMetrics(String str, FontRenderContext frc)

   <source lang="java">

import java.awt.Color; import java.awt.Container; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.font.FontRenderContext; import java.awt.font.LineMetrics; import java.awt.geom.Line2D; import javax.swing.JComponent; import javax.swing.JFrame; public class MainClass {

 public static void main(String[] args) {
   JFrame jf = new JFrame("Demo");
   Container cp = jf.getContentPane();
   MyCanvas tl = new MyCanvas();
   cp.add(tl);
   jf.setSize(300, 200);
   jf.setVisible(true);
 }

} class MyCanvas extends JComponent {

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
   Font font = new Font("Serif", Font.PLAIN, 72);
   g2.setFont(font);
   String s = "www.jexp.ru";
   float x = 50, y = 150;
   FontRenderContext frc = g2.getFontRenderContext();
   float width = (float) font.getStringBounds(s, frc).getWidth();
   Line2D baseline = new Line2D.Float(x, y, x + width, y);
   g2.setPaint(Color.lightGray);
   g2.draw(baseline);
   // Draw the ascent.
   LineMetrics lm = font.getLineMetrics(s, frc);
   Line2D ascent = new Line2D.Float(x, y - lm.getAscent(), x + width, y - lm.getAscent());
   g2.draw(ascent);
   // Draw the descent.
   Line2D descent = new Line2D.Float(x, y + lm.getDescent(), x + width, y + lm.getDescent());
   g2.draw(descent);
   // Draw the leading.
   Line2D leading = new Line2D.Float(x, y + lm.getDescent() + lm.getLeading(), x + width, y
       + lm.getDescent() + lm.getLeading());
   g2.draw(leading);
   // Render the string.
   g2.setPaint(Color.black);
   g2.drawString(s, x, y);
 }

}

 </source>
   
  
 
  

Font: getName()

   <source lang="java">

import java.awt.Font; import java.awt.GraphicsEnvironment; public class MainClass {

 public static void main(String[] args) throws Exception {
   Font[] fonts  = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();
   for (int i = 0; i < fonts.length; i++) {
     System.out.print(fonts[i].getFontName() + " : ");
     System.out.print(fonts[i].getFamily() + " : ");
     System.out.print(fonts[i].getName());
     System.out.println();
   }
 }

}

 </source>
   
  
 
  

Font: getSize()

   <source lang="java">
 

import java.awt.Font; import java.awt.Graphics; import javax.swing.JFrame; public class Main extends JFrame {

 public static void main(String[] a) {
   Main f = new Main();
   f.setSize(300, 300);
   f.setVisible(true);
 }
 public void paint(Graphics g) {
   Font f = g.getFont();
   String fontName = f.getName();
   String fontFamily = f.getFamily();
   int fontSize = f.getSize();
   int fontStyle = f.getStyle();
   String msg = "Family: " + fontName;
   msg += ", Font: " + fontFamily;
   msg += ", Size: " + fontSize + ", Style: ";
   if ((fontStyle & Font.BOLD) == Font.BOLD)
     msg += "Bold ";
   if ((fontStyle & Font.ITALIC) == Font.ITALIC)
     msg += "Italic ";
   if ((fontStyle & Font.PLAIN) == Font.PLAIN)
     msg += "Plain ";
   g.drawString(msg, 4, 16);
 }

}

 </source>
   
  
 
  

Font: getStringBounds(String str, FontRenderContext frc)

   <source lang="java">

import java.awt.Container; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.font.FontRenderContext; import java.awt.geom.Rectangle2D; import javax.swing.JComponent; import javax.swing.JFrame; public class MainClass {

 public static void main(String[] args) {
   JFrame jf = new JFrame("Demo");
   Container cp = jf.getContentPane();
   MyCanvas tl = new MyCanvas();
   cp.add(tl);
   jf.setSize(300, 200);
   jf.setVisible(true);
 }

} class MyCanvas extends JComponent {

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
   g2.setFont(new Font("Serif", Font.PLAIN, 48));
   FontRenderContext frc = g2.getFontRenderContext();
   String s = "www.jexp.ru";
   Rectangle2D bounds = g2.getFont().getStringBounds(s, frc);
   float width = (float) bounds.getWidth();
   int centerX = 100;
   int baselineY = 70;
   g2.drawString(s, centerX - width / 2, baselineY);
 }

}

 </source>
   
  
 
  

Font: getStyle()

   <source lang="java">
 

import java.awt.Font; import java.awt.Graphics; import javax.swing.JFrame; public class Main extends JFrame {

 public static void main(String[] a) {
   Main f = new Main();
   f.setSize(300, 300);
   f.setVisible(true);
 }
 public void paint(Graphics g) {
   Font f = g.getFont();
   String fontName = f.getName();
   String fontFamily = f.getFamily();
   int fontSize = f.getSize();
   int fontStyle = f.getStyle();
   String msg = "Family: " + fontName;
   msg += ", Font: " + fontFamily;
   msg += ", Size: " + fontSize + ", Style: ";
   if ((fontStyle & Font.BOLD) == Font.BOLD)
     msg += "Bold ";
   if ((fontStyle & Font.ITALIC) == Font.ITALIC)
     msg += "Italic ";
   if ((fontStyle & Font.PLAIN) == Font.PLAIN)
     msg += "Plain ";
   g.drawString(msg, 4, 16);
 }

}

 </source>
   
  
 
  

Font.ITALIC

   <source lang="java">

import java.awt.Font; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
     Font f = new Font ("Serif", Font.PLAIN, 12);
     g.setFont (f);
     g.drawString ("Serif - PLAIN - 12", 10, 30);
     f = new Font ("Sanserif", Font.ITALIC, 10);
     g.setFont (f);
     g.drawString ("Sanserif - ITALIC - 10", 10, 60);
     f = new Font ("Monospaced", Font.BOLD | Font.ITALIC, 14);
     g.setFont (f);
     g.drawString ("Monospaced - BOLD and ITALIC - 14", 10, 90);
     f = new Font ("Dialog", Font.PLAIN, 12);
     g.setFont (f);
     g.drawString ("Dialog - PLAIN - 12", 10, 120);
     f = new Font ("DialogInput", Font.BOLD + Font.ITALIC, 10);
     g.setFont (f);
     g.drawString ("DialogInput - BOLD and ITALIC - 10", 10, 150);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

FontMetrics: getAscent()

   <source lang="java">

/*

* Output:
*  
*/

import java.awt.Color; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   int fontSize = 20;
   g.setFont(new Font("TimesRoman", Font.PLAIN, fontSize));
   
   
   FontMetrics fm = g.getFontMetrics();
   String s = "www.jexp.ru";
   
   int stringWidth = fm.stringWidth(s);
   int w = 200;
   int h = 200;
   
   int x = (w - stringWidth) / 2;
   int baseline = fm.getMaxAscent() +
                      (h - (fm.getAscent() + fm.getMaxDecent()))/2;
   int ascent  = fm.getMaxAscent();
   int descent = fm.getMaxDecent();
   int fontHeight = fm.getMaxAscent() + fm.getMaxDecent();
   g.setColor(Color.white);
   g.fillRect(x, baseline-ascent , stringWidth, fontHeight);
   g.setColor(Color.gray);
   g.drawLine(x, baseline, x+stringWidth, baseline);
   g.setColor(Color.red);
   g.drawLine(x, baseline+descent, x+stringWidth, baseline+descent);
   g.setColor(Color.blue);
   g.drawLine(x, baseline-ascent,
              x+stringWidth, baseline-ascent);
   g.setColor(Color.black);
   g.drawString(s, x, baseline);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

FontMetrics: getDescent()

   <source lang="java">
 

import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import javax.swing.JFrame; public class Main extends JFrame {

 public Main() {
   super("Demonstrating FontMetrics");
   setSize(510, 210);
   setVisible(true);
   setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 }
 public void paint(Graphics g) {
   g.setFont(new Font("SansSerif", Font.BOLD, 12));
   FontMetrics fm = g.getFontMetrics();
   g.drawString("Current font: " + g.getFont(), 10, 40);
   g.drawString("Ascent: " + fm.getAscent(), 10, 55);
   g.drawString("Descent: " + fm.getDescent(), 10, 70);
   g.drawString("Height: " + fm.getHeight(), 10, 85);
   g.drawString("Leading: " + fm.getLeading(), 10, 100);
   Font font = new Font("Serif", Font.ITALIC, 14);
   fm = g.getFontMetrics(font);
   g.setFont(font);
   g.drawString("Current font: " + font, 10, 130);
   g.drawString("Ascent: " + fm.getAscent(), 10, 145);
   g.drawString("Descent: " + fm.getDescent(), 10, 160);
   g.drawString("Height: " + fm.getHeight(), 10, 175);
   g.drawString("Leading: " + fm.getLeading(), 10, 190);
 }
 public static void main(String args[]) {
   Main app = new Main();
 }

}

 </source>
   
  
 
  

FontMetrics: getHeight()

   <source lang="java">
 

import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import javax.swing.JFrame; public class Main extends JFrame {

 public Main() {
   super("Demonstrating FontMetrics");
   setSize(510, 210);
   setVisible(true);
   setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 }
 public void paint(Graphics g) {
   g.setFont(new Font("SansSerif", Font.BOLD, 12));
   FontMetrics fm = g.getFontMetrics();
   g.drawString("Current font: " + g.getFont(), 10, 40);
   g.drawString("Ascent: " + fm.getAscent(), 10, 55);
   g.drawString("Descent: " + fm.getDescent(), 10, 70);
   g.drawString("Height: " + fm.getHeight(), 10, 85);
   g.drawString("Leading: " + fm.getLeading(), 10, 100);
   Font font = new Font("Serif", Font.ITALIC, 14);
   fm = g.getFontMetrics(font);
   g.setFont(font);
   g.drawString("Current font: " + font, 10, 130);
   g.drawString("Ascent: " + fm.getAscent(), 10, 145);
   g.drawString("Descent: " + fm.getDescent(), 10, 160);
   g.drawString("Height: " + fm.getHeight(), 10, 175);
   g.drawString("Leading: " + fm.getLeading(), 10, 190);
 }
 public static void main(String args[]) {
   Main app = new Main();
 }

}

 </source>
   
  
 
  

FontMetrics: getLeading()

   <source lang="java">
 

import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import javax.swing.JFrame; public class Main extends JFrame {

 public Main() {
   super("Demonstrating FontMetrics");
   setSize(510, 210);
   setVisible(true);
   setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 }
 public void paint(Graphics g) {
   g.setFont(new Font("SansSerif", Font.BOLD, 12));
   FontMetrics fm = g.getFontMetrics();
   g.drawString("Current font: " + g.getFont(), 10, 40);
   g.drawString("Ascent: " + fm.getAscent(), 10, 55);
   g.drawString("Descent: " + fm.getDescent(), 10, 70);
   g.drawString("Height: " + fm.getHeight(), 10, 85);
   g.drawString("Leading: " + fm.getLeading(), 10, 100);
   Font font = new Font("Serif", Font.ITALIC, 14);
   fm = g.getFontMetrics(font);
   g.setFont(font);
   g.drawString("Current font: " + font, 10, 130);
   g.drawString("Ascent: " + fm.getAscent(), 10, 145);
   g.drawString("Descent: " + fm.getDescent(), 10, 160);
   g.drawString("Height: " + fm.getHeight(), 10, 175);
   g.drawString("Leading: " + fm.getLeading(), 10, 190);
 }
 public static void main(String args[]) {
   Main app = new Main();
 }

}

 </source>
   
  
 
  

FontMetrics: getMaxAscent()

   <source lang="java">

/*

* Output:
*  
*/

import java.awt.Color; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   int fontSize = 20;
   g.setFont(new Font("TimesRoman", Font.PLAIN, fontSize));
   
   
   FontMetrics fm = g.getFontMetrics();
   String s = "www.jexp.ru";
   
   int stringWidth = fm.stringWidth(s);
   int w = 200;
   int h = 200;
   
   int x = (w - stringWidth) / 2;
   int baseline = fm.getMaxAscent() +
                      (h - (fm.getAscent() + fm.getMaxDecent()))/2;
   int ascent  = fm.getMaxAscent();
   int descent = fm.getMaxDecent();
   int fontHeight = fm.getMaxAscent() + fm.getMaxDecent();
   g.setColor(Color.white);
   g.fillRect(x, baseline-ascent , stringWidth, fontHeight);
   g.setColor(Color.gray);
   g.drawLine(x, baseline, x+stringWidth, baseline);
   g.setColor(Color.red);
   g.drawLine(x, baseline+descent, x+stringWidth, baseline+descent);
   g.setColor(Color.blue);
   g.drawLine(x, baseline-ascent,
              x+stringWidth, baseline-ascent);
   g.setColor(Color.black);
   g.drawString(s, x, baseline);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

FontMetrics: getMaxDecent()

   <source lang="java">

/*

* Output:
*  
*/

import java.awt.Color; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   int fontSize = 20;
   g.setFont(new Font("TimesRoman", Font.PLAIN, fontSize));
   
   
   FontMetrics fm = g.getFontMetrics();
   String s = "www.jexp.ru";
   
   int stringWidth = fm.stringWidth(s);
   int w = 200;
   int h = 200;
   
   int x = (w - stringWidth) / 2;
   int baseline = fm.getMaxAscent() +
                      (h - (fm.getAscent() + fm.getMaxDecent()))/2;
   int ascent  = fm.getMaxAscent();
   int descent = fm.getMaxDecent();
   int fontHeight = fm.getMaxAscent() + fm.getMaxDecent();
   g.setColor(Color.white);
   g.fillRect(x, baseline-ascent , stringWidth, fontHeight);
   g.setColor(Color.gray);
   g.drawLine(x, baseline, x+stringWidth, baseline);
   g.setColor(Color.red);
   g.drawLine(x, baseline+descent, x+stringWidth, baseline+descent);
   g.setColor(Color.blue);
   g.drawLine(x, baseline-ascent,
              x+stringWidth, baseline-ascent);
   g.setColor(Color.black);
   g.drawString(s, x, baseline);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

FontMetrics: stringWidth(String s)

   <source lang="java">

/*

* Output:
*  
*/

import java.awt.Color; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   int fontSize = 20;
   g.setFont(new Font("TimesRoman", Font.PLAIN, fontSize));
   
   
   FontMetrics fm = g.getFontMetrics();
   String s = "www.jexp.ru";
   
   int stringWidth = fm.stringWidth(s);
   int w = 200;
   int h = 200;
   
   int x = (w - stringWidth) / 2;
   int baseline = fm.getMaxAscent() +
                      (h - (fm.getAscent() + fm.getMaxDecent()))/2;
   int ascent  = fm.getMaxAscent();
   int descent = fm.getMaxDecent();
   int fontHeight = fm.getMaxAscent() + fm.getMaxDecent();
   g.setColor(Color.white);
   g.fillRect(x, baseline-ascent , stringWidth, fontHeight);
   g.setColor(Color.gray);
   g.drawLine(x, baseline, x+stringWidth, baseline);
   g.setColor(Color.red);
   g.drawLine(x, baseline+descent, x+stringWidth, baseline+descent);
   g.setColor(Color.blue);
   g.drawLine(x, baseline-ascent,
              x+stringWidth, baseline-ascent);
   g.setColor(Color.black);
   g.drawString(s, x, baseline);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

Font.PLAIN

   <source lang="java">

/*

* Output:
*  
*/

import java.awt.Color; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   int fontSize = 20;
   g.setFont(new Font("TimesRoman", Font.PLAIN, fontSize));
   
   
   FontMetrics fm = g.getFontMetrics();
   String s = "www.jexp.ru";
   
   int stringWidth = fm.stringWidth(s);
   int w = 200;
   int h = 200;
   
   int x = (w - stringWidth) / 2;
   int baseline = fm.getMaxAscent() +
                      (h - (fm.getAscent() + fm.getMaxDecent()))/2;
   int ascent  = fm.getMaxAscent();
   int descent = fm.getMaxDecent();
   int fontHeight = fm.getMaxAscent() + fm.getMaxDecent();
   g.setColor(Color.white);
   g.fillRect(x, baseline-ascent , stringWidth, fontHeight);
   g.setColor(Color.gray);
   g.drawLine(x, baseline, x+stringWidth, baseline);
   g.setColor(Color.red);
   g.drawLine(x, baseline+descent, x+stringWidth, baseline+descent);
   g.setColor(Color.blue);
   g.drawLine(x, baseline-ascent,
              x+stringWidth, baseline-ascent);
   g.setColor(Color.black);
   g.drawString(s, x, baseline);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

Font.TRUETYPE_FONT

   <source lang="java">
 

/*

* @(#)DemoFonts.java 1.17 06/08/29
* 
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
* 
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 
* -Redistribution of source code must retain the above copyright notice, this
*  list of conditions and the following disclaimer.
* 
* -Redistribution in binary form must reproduce the above copyright notice, 
*  this list of conditions and the following disclaimer in the documentation
*  and/or other materials provided with the distribution.
* 
* Neither the name of Sun Microsystems, Inc. or the names of contributors may 
* be used to endorse or promote products derived from this software without 
* specific prior written permission.
* 
* This software is provided "AS IS," without a warranty of any kind. ALL 
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST 
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, 
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY 
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, 
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* 
* You acknowledge that this software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
* nuclear facility.
*/

/*

* @(#)DemoFonts.java 1.17 06/08/29
*/

import java.awt.Font; import java.io.InputStream; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; /**

* A cache of the dynamically loaded fonts found in the fonts directory.
*/

public class Main {

 // Prepare a static "cache" mapping font names to Font objects.
 private static String[] names = { "A.ttf" };
 private static Map<String, Font> cache = new ConcurrentHashMap<String, Font>(names.length);
 static {
   for (String name : names) {
     cache.put(name, getFont(name));
   }
 }
 public static Font getFont(String name) {
   Font font = null;
   if (cache != null) {
     if ((font = cache.get(name)) != null) {
       return font;
     }
   }
   String fName = "/fonts/" + name;
   try {
     InputStream is = Main.class.getResourceAsStream(fName);
     font = Font.createFont(Font.TRUETYPE_FONT, is);
   } catch (Exception ex) {
     ex.printStackTrace();
     System.err.println(fName + " not loaded.  Using serif font.");
     font = new Font("serif", Font.PLAIN, 24);
   }
   return font;
 }

}

 </source>
   
  
 
  

new Font(String name, int style, int size)

   <source lang="java">

import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   Dimension d = this.getPreferredSize();
   int fontSize = 20;
   g.setFont(new Font("TimesRoman", Font.PLAIN, fontSize));
    
   g.setColor(Color.red);
   
   g.drawString("www.jexp.ru", 10, 20);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

 </source>