Java/2D Graphics GUI/AntiAliasing
Содержание
Determine if antialiasing is enabled
<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) {
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);
System.out.println(antialiasOn);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
}
}
</source>
Disable antialiasing for shapes
<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) {
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>
Disable antialiasing for text
<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) {
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>
Enable antialiasing for shapes
<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) {
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);
System.out.println(antialiasOn);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
}
}
</source>
Enable antialiasing for text
<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) {
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_ON);
}
}
</source>
