Java by API/java.awt/RenderingHints

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RenderingHints: containsValue(Object value)

   <source lang="java">

import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import javax.swing.JComponent; import javax.swing.JFrame; public class Main { 

 public static void main(String[] args) {
   new Main();
 }
 Main() {
   JFrame frame = new JFrame();
   frame.add(new MyComponent());
   frame.setSize(300, 300);
   frame.setVisible(true);
 }

} class MyComponent extends JComponent { 

 public void paint(Graphics g) {
   Graphics2D g2d = (Graphics2D) g;
   RenderingHints rhints = g2d.getRenderingHints();
   boolean antialiasOn = rhints.containsValue(RenderingHints.VALUE_ANTIALIAS_ON);
   g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
 }

} 


 </source>



RenderingHints.KEY_ANTIALIASING

   <source lang="java">

import java.awt.Color; import java.awt.Container; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.Shape; 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 { 

 Shape shape;
 public MyCanvas() {
   shape = create();
 }
 protected Shape create() {
   float cm = 72 / 2.54f;
   return new Rectangle2D.Float(cm, cm, 2 * cm, cm);
 }

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
   
   g2.setPaint(Color.black);
   g2.draw(shape);
 }

} 


 </source>



RenderingHints.VALUE_ANTIALIAS_OFF

   <source lang="java">

import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import javax.swing.JComponent; import javax.swing.JFrame; public class BasicDraw { 

 public static void main(String[] args) {
   new BasicDraw();
 }
 BasicDraw() {
   JFrame frame = new JFrame();
   frame.add(new MyComponent());
   frame.setSize(300, 300);
   frame.setVisible(true);
 }

} class MyComponent extends JComponent { 

 public void paint(Graphics g) {
   Graphics2D g2d = (Graphics2D) g;
   g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
 }

} 


 </source>



RenderingHints.VALUE_ANTIALIAS_ON

   <source lang="java">

import java.awt.Color; import java.awt.Container; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.Shape; 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 { 

 Shape shape;
 public MyCanvas() {
   shape = create();
 }
 protected Shape create() {
   float cm = 72 / 2.54f;
   return new Rectangle2D.Float(cm, cm, 2 * cm, cm);
 }

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
   
   g2.setPaint(Color.black);
   g2.draw(shape);
 }

} 


 </source>



RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HBGR

   <source lang="java">

import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.Border; import javax.swing.border.TitledBorder; public class TextQualityDemoVALUE_TEXT_ANTIALIAS_LCD_HBGR { 

 public static void main(String[] args) {
   JFrame frame = new JFrame("LCD Text Demo");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setPreferredSize(new Dimension(630, 460));
   frame.setContentPane(new MyPanel(RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HBGR));
   frame.pack();
   frame.setVisible(true);
 }

} class MyPanel extends JPanel { 

 private Object hintValue;
 public MyPanel(Object hintValue) {
   this.hintValue = hintValue;
   this.setPreferredSize(new Dimension(300, 100));
   String title = hintValue.toString();
   Border border = new TitledBorder(title);
   this.setBorder(border);
 }
 public void paintComponent(Graphics g) {
   Dimension d = this.getSize();
   BufferedImage backBuffer = (BufferedImage) this.createImage(d.width, d.height);
   Graphics2D g2 = backBuffer.createGraphics();
   g2.setColor(Color.WHITE);
   g2.fillRect(0, 0, d.width, d.height);
   g2.setColor(Color.BLACK);
   g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, hintValue);
   g2.drawRect(0, 0, d.width - 1, d.height - 1);
   g2.drawString("abcdefghijklmnopqrstuvwxyz", 20, 40);
   g2.drawString("ABCDEFGHIJKLMNOPQRSTUVWXYZ", 20, 60);
   g2.drawString("1234567890-=!@#$%^&*()_+,./<>?", 20, 80);
   g.drawImage(backBuffer, 0, 0, this);
 }

} 


 </source>



RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB

   <source lang="java">

import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.Border; import javax.swing.border.TitledBorder; public class TextQualityDemoVALUE_TEXT_ANTIALIAS_LCD_HRGB { 

 public static void main(String[] args) {
   JFrame frame = new JFrame("LCD Text Demo");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setPreferredSize(new Dimension(630, 460));
   frame.setContentPane(new MyPanel(RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB));
   frame.pack();
   frame.setVisible(true);
 }

} class MyPanel extends JPanel { 

 private Object hintValue;
 public MyPanel(Object hintValue) {
   this.hintValue = hintValue;
   this.setPreferredSize(new Dimension(300, 100));
   String title = hintValue.toString();
   Border border = new TitledBorder(title);
   this.setBorder(border);
 }
 public void paintComponent(Graphics g) {
   Dimension d = this.getSize();
   BufferedImage backBuffer = (BufferedImage) this.createImage(d.width, d.height);
   Graphics2D g2 = backBuffer.createGraphics();
   g2.setColor(Color.WHITE);
   g2.fillRect(0, 0, d.width, d.height);
   g2.setColor(Color.BLACK);
   g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, hintValue);
   g2.drawRect(0, 0, d.width - 1, d.height - 1);
   g2.drawString("abcdefghijklmnopqrstuvwxyz", 20, 40);
   g2.drawString("ABCDEFGHIJKLMNOPQRSTUVWXYZ", 20, 60);
   g2.drawString("1234567890-=!@#$%^&*()_+,./<>?", 20, 80);
   g.drawImage(backBuffer, 0, 0, this);
 }

} 


 </source>



RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VBGR

   <source lang="java">

import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.Border; import javax.swing.border.TitledBorder; public class TextQualityDemoVALUE_TEXT_ANTIALIAS_LCD_VBGR { 

 public static void main(String[] args) {
   JFrame frame = new JFrame("LCD Text Demo");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setPreferredSize(new Dimension(630, 460));
   frame.setContentPane(new MyPanel(RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VBGR));
   frame.pack();
   frame.setVisible(true);
 }

} class MyPanel extends JPanel { 

 private Object hintValue;
 public MyPanel(Object hintValue) {
   this.hintValue = hintValue;
   this.setPreferredSize(new Dimension(300, 100));
   String title = hintValue.toString();
   Border border = new TitledBorder(title);
   this.setBorder(border);
 }
 public void paintComponent(Graphics g) {
   Dimension d = this.getSize();
   BufferedImage backBuffer = (BufferedImage) this.createImage(d.width, d.height);
   Graphics2D g2 = backBuffer.createGraphics();
   g2.setColor(Color.WHITE);
   g2.fillRect(0, 0, d.width, d.height);
   g2.setColor(Color.BLACK);
   g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, hintValue);
   g2.drawRect(0, 0, d.width - 1, d.height - 1);
   g2.drawString("abcdefghijklmnopqrstuvwxyz", 20, 40);
   g2.drawString("ABCDEFGHIJKLMNOPQRSTUVWXYZ", 20, 60);
   g2.drawString("1234567890-=!@#$%^&*()_+,./<>?", 20, 80);
   g.drawImage(backBuffer, 0, 0, this);
 }

} 


 </source>



RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB

   <source lang="java">

import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.Border; import javax.swing.border.TitledBorder; public class TextQualityDemoVALUE_TEXT_ANTIALIAS_LCD_VRGB { 

 public static void main(String[] args) {
   JFrame frame = new JFrame("LCD Text Demo");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setPreferredSize(new Dimension(630, 460));
   frame.setContentPane(new MyPanel(RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB));
   frame.pack();
   frame.setVisible(true);
 }

} class MyPanel extends JPanel { 

 private Object hintValue;
 public MyPanel(Object hintValue) {
   this.hintValue = hintValue;
   this.setPreferredSize(new Dimension(300, 100));
   String title = hintValue.toString();
   Border border = new TitledBorder(title);
   this.setBorder(border);
 }
 public void paintComponent(Graphics g) {
   Dimension d = this.getSize();
   BufferedImage backBuffer = (BufferedImage) this.createImage(d.width, d.height);
   Graphics2D g2 = backBuffer.createGraphics();
   g2.setColor(Color.WHITE);
   g2.fillRect(0, 0, d.width, d.height);
   g2.setColor(Color.BLACK);
   g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, hintValue);
   g2.drawRect(0, 0, d.width - 1, d.height - 1);
   g2.drawString("abcdefghijklmnopqrstuvwxyz", 20, 40);
   g2.drawString("ABCDEFGHIJKLMNOPQRSTUVWXYZ", 20, 60);
   g2.drawString("1234567890-=!@#$%^&*()_+,./<>?", 20, 80);
   g.drawImage(backBuffer, 0, 0, this);
 }

} 


 </source>



RenderingHints.VALUE_TEXT_ANTIALIAS_OFF

   <source lang="java">

import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import javax.swing.JComponent; import javax.swing.JFrame; public class BasicDraw { 

 public static void main(String[] args) {
   new BasicDraw();
 }
 BasicDraw() {
   JFrame frame = new JFrame();
   frame.add(new MyComponent());
   frame.setSize(300, 300);
   frame.setVisible(true);
 }

} class MyComponent extends JComponent { 

 public void paint(Graphics g) {
   Graphics2D g2d = (Graphics2D) g;
   g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
 }

} 


 </source>



RenderingHints.VALUE_TEXT_ANTIALIAS_ON

   <source lang="java">

import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.Border; import javax.swing.border.TitledBorder; public class TextQualityDemoVALUE_TEXT_ANTIALIAS_ON { 

 public static void main(String[] args) {
   JFrame frame = new JFrame("LCD Text Demo");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setPreferredSize(new Dimension(630, 460));
   frame.setContentPane(new MyPanel(RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
   frame.pack();
   frame.setVisible(true);
 }

} class MyPanel extends JPanel { 

 private Object hintValue;
 public MyPanel(Object hintValue) {
   this.hintValue = hintValue;
   this.setPreferredSize(new Dimension(300, 100));
   String title = hintValue.toString();
   Border border = new TitledBorder(title);
   this.setBorder(border);
 }
 public void paintComponent(Graphics g) {
   Dimension d = this.getSize();
   BufferedImage backBuffer = (BufferedImage) this.createImage(d.width, d.height);
   Graphics2D g2 = backBuffer.createGraphics();
   g2.setColor(Color.WHITE);
   g2.fillRect(0, 0, d.width, d.height);
   g2.setColor(Color.BLACK);
   g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, hintValue);
   g2.drawRect(0, 0, d.width - 1, d.height - 1);
   g2.drawString("abcdefghijklmnopqrstuvwxyz", 20, 40);
   g2.drawString("ABCDEFGHIJKLMNOPQRSTUVWXYZ", 20, 60);
   g2.drawString("1234567890-=!@#$%^&*()_+,./<>?", 20, 80);
   g.drawImage(backBuffer, 0, 0, this);
 }

} 


 </source>
Источник — «http://jexp.ru/index.php?title=Java_by_API/java.awt/RenderingHints&oldid=1178»