в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:31:06Z

1 версия

Новая страница

== Graphics2D: drawGlyphVector(GlyphVector g, float x, float y) ==



<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>



== Graphics2D: draw(Shape s) ==



<source lang="java">
import java.awt.Color;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.GeneralPath;
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() {
GeneralPath path = new GeneralPath();
path.moveTo(50, 30);
path.lineTo(30, 200);
return path;
}

public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(Color.black);
g2.draw(shape);
}
}

</source>



== Graphics2D: drawString(String str, int x, int y) ==



<source lang="java">

import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
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, 96);
g2.setFont(font);
g2.drawString("jade", 40, 120);
}
}

</source>



== Graphics2D: drawString(String str, int x, int y) (Unicode) ==



<source lang="java">

import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
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, 96);
g2.setFont(font);
g2.drawString("Please \u062e\u0644\u0639 slowly.", 40, 80);
}
}

</source>



== Graphics2D: fill(Shape s) ==



<source lang="java">
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
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) {
Shape shape = new Rectangle2D.Float(100, 50, 80, 80);

Graphics2D g2 = (Graphics2D) g;

g2.fill(shape);
}
}

</source>



== Graphics2D: getFontRenderContext() ==



<source lang="java">

import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.font.TextLayout;
import java.text.AttributedString;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.swing.JComponent;
import javax.swing.JFrame;

public class MainClass {
public static void main(String[] a) throws Exception {
JFrame jf = new JFrame("Demo");
Container cp = jf.getContentPane();
TextFormat tl = new TextFormat();
cp.add(tl);
jf.setSize(300, 200);
jf.setVisible(true);
}
}
class TextFormat extends JComponent {
List layouts;
Font font = new Font("SansSerif", Font.BOLD, 42);
String text = "The quick brown fox jumped over the lazy cow";
public void paint(Graphics g) {
if (layouts == null)
getLayouts(g);
Point pen = new Point(0, 0);
Graphics2D g2d = (Graphics2D)g;
g2d.setColor(java.awt.Color.black); // or a property
g2d.setFont(font);
Iterator it = layouts.iterator();
while (it.hasNext()) {
TextLayout layout = (TextLayout) it.next();
pen.y += (layout.getAscent());
g2d.setFont(font);
layout.draw(g2d, pen.x, pen.y);
pen.y += layout.getDescent();
}
}
private void getLayouts(Graphics g) {
layouts = new ArrayList();
Graphics2D g2d = (Graphics2D) g;
FontRenderContext frc = g2d.getFontRenderContext();
AttributedString attrStr = new AttributedString(text);
attrStr.addAttribute(TextAttribute.FONT, font, 0, text.length());
LineBreakMeasurer measurer = new LineBreakMeasurer(
attrStr.getIterator(), frc);
float wrappingWidth;
wrappingWidth = getSize().width - 15;
while (measurer.getPosition() < text.length()) {
TextLayout layout = measurer.nextLayout(wrappingWidth);
layouts.add(layout);
}
}

}

</source>



== Graphics2D: rotate(double theta) ==



<source lang="java">
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JPanel {
public void paint(Graphics g) {
g.fillRect(0, 0, 20, 20);
Graphics2D g2 = (Graphics2D) g;
g2.translate(50, 50);
g2.rotate(30.0 * Math.PI / 180.0);
g2.scale(2.0, 2.0);
g.setColor(Color.red);
g.fillRect(0, 0, 20, 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>



== Graphics2D: scale(double sx, double sy) ==



<source lang="java">
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JPanel {
public void paint(Graphics g) {
g.fillRect(0, 0, 20, 20);
Graphics2D g2 = (Graphics2D) g;
g2.translate(50, 50);
g2.rotate(30.0 * Math.PI / 180.0);
g2.scale(2.0, 2.0);
g.setColor(Color.red);
g.fillRect(0, 0, 20, 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>



== Graphics2D: setComposite(Composite comp) ==



<source lang="java">
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.ruposite;
import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
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);
Rectangle2D r = new Rectangle2D.Double(50, 50, 150, 100);
g2.setPaint(Color.red);
g2.fill(r);
Composite c = AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
.4f);
g2.setComposite(c);

g2.setPaint(Color.blue);
g2.setFont(new Font("Times New Roman", Font.PLAIN, 72));
g2.drawString("www.jexp.ru", 25, 130);
}
}

</source>



== Graphics2D: setPaint(Paint paint) ==



<source lang="java">
import java.awt.Color;
import java.awt.Container;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;
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;
Ellipse2D e = new Ellipse2D.Float(40, 40, 120, 120);
GradientPaint gp = new GradientPaint(75, 75, Color.white,
95, 95, Color.gray, true);
g2.setPaint(gp);
g2.fill(e);
}
}

</source>



== Graphics2D: setRenderingHint(Key hintKey, Object hintValue) ==



<source lang="java">
import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
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, 96);
g2.setFont(font);
g2.drawString("jade", 40, 120);
}
}

</source>



== Graphics2D: setRenderingHints(Map hints) ==



<source lang="java">
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JPanel {
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
Font f = new Font ("Arial", Font.PLAIN, 48);
g2.setFont (f);
g2.drawString ("www.jexp.ru", 10, 60);
RenderingHints rh = g2.getRenderingHints ();
rh.put (RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setRenderingHints (rh);
g2.drawString ("Antialiased text", 10, 120);

}
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>



== Graphics2D: setStroke(Stroke s) ==



<source lang="java">
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.Stroke;
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;
Stroke stroke = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0,
new float[] { 3, 1 }, 0);
g2.setStroke(stroke);

g2.setPaint(Color.black);
g2.draw(shape);

}
}

</source>



== Graphics2D: transform(AffineTransform Tx) ==



<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.AffineTransform;
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);

AffineTransform at = AffineTransform.getTranslateInstance(75, 75);
g2.transform(at);
g2.setPaint(Color.red);
g2.draw(shape);

}
}

</source>



== Graphics2D: translate(int x, int y) ==



<source lang="java">
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JPanel {
public void paint(Graphics g) {
g.fillRect(0, 0, 20, 20);
Graphics2D g2 = (Graphics2D) g;
g2.translate(50, 50);
g2.rotate(30.0 * Math.PI / 180.0);
g2.scale(2.0, 2.0);
g.setColor(Color.red);
g.fillRect(0, 0, 20, 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>

← Предыдущая	Версия 17:43, 31 мая 2010
(нет различий)

Java by API/java.awt/Graphics2D - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия