в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:39:40Z

1 версия

Новая страница

== AffineTransform: createTransformedShape(Shape pSrc) ==



<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.Shape;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
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 www.jexp.ru";
Font font = new Font("Serif", Font.PLAIN, 24);
FontRenderContext frc = g2.getFontRenderContext();
g2.translate(40, 80);
GlyphVector gv = font.createGlyphVector(frc, s);
int length = gv.getNumGlyphs();
for (int i = 0; i < length; i++) {
Point2D p = gv.getGlyphPosition(i);
double theta = (double) i / (double) (length - 1) * Math.PI / 4;
AffineTransform at = AffineTransform.getTranslateInstance(p.getX(), p.getY());
at.rotate(theta);
Shape glyph = gv.getGlyphOutline(i);
Shape transformedGlyph = at.createTransformedShape(glyph);
g2.fill(transformedGlyph);
}
}
}

</source>



== AffineTransform: getRotateInstance(double theta) ==



<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;

AffineTransform at = AffineTransform.getRotateInstance(-Math.PI / 6);

g2.setTransform(at);
g2.draw(shape);

}
}

</source>



== AffineTransform: getRotateInstance(double theta, double x, double y) ==



<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;
float cm = 72 / 2.54f;
AffineTransform at = AffineTransform.getRotateInstance(-Math.PI / 6, 3 * cm, 2 * cm);

g2.setTransform(at);
g2.draw(shape);

}
}

</source>



== AffineTransform: getTranslateInstance(double tx, double ty) ==



<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>



== AffineTransform: setToRotation(double theta) ==



<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;

AffineTransform at = new AffineTransform();
at.setToRotation(Math.PI / 6);
at.translate(100, 0);

g2.setTransform(at);
g2.draw(shape);

}
}

</source>



== AffineTransform: setToTranslation(double tx, double ty) ==



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

AffineTransform trans = new AffineTransform();
trans.setToTranslation(30, 3);
g2.transform(trans);
g2.setPaint(Color.red);
g2.draw(shape);

}
}

</source>



== AffineTransform: shear(double shx, double shy) ==



<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;
AffineTransform at = new AffineTransform();
at.shear(-.5, 0);

g2.setTransform(at);
g2.draw(shape);

}
}

</source>



== AffineTransform: translate(double tx, double ty) ==



<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;

AffineTransform at = new AffineTransform();
at.setToRotation(Math.PI / 6);
at.translate(100, 0);

g2.setTransform(at);
g2.draw(shape);

}
}

</source>

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Java by API/java.awt.geom/AffineTransform - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия