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Java Programming Code Examples

Java > Java2D Code Examples

Affine transformations with images

Affine transformations with images package com.ack.gui.awt.geometry; import java.awt.*; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.awt.geom.AffineTransform; public class AffineTransformationsWithImages extends Frame { Dimension size = new Dimension( 600, 600 ); Image image; Point origin = new Point( size.width / 2, size.height / 2 ); AffineTransform tx = new AffineTransform(); float scalingFactor = 1.0f; public AffineTransformationsWithImages( String title ) { super( title ); setSize( size ); addWindowListener( new WindowAdapter() { public void windowClosing( WindowEvent we ) { dispose(); System.exit( 0 ); } } ); setVisible( true ); image = Toolkit.getDefaultToolkit().getImage( "3.gif" ); tx.translate( origin.x, origin.y ); for( int x = 0; x < 100; x++ ) { scalingFactor += 0.0003; pause( 50 ); tx.scale( scalingFactor, scalingFactor ); tx.rotate( scalingFactor ); repaint(); } } public static void main( String[] args ) { AffineTransformationsWithImages affineTransformationsWithImages1 = new AffineTransformationsWithImages( "Affine Transformations With Images Example" ); } public void update( Graphics g ) { paint( g ); } public void paint( Graphics g ) { Graphics2D g2d = (Graphics2D) g; g2d.drawImage( image, tx, this ); } private void pause( int mil ) { try { Thread.currentThread().sleep( mil ); } catch( Exception ex ) { ex.printStackTrace(); } } }