/* * Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * - Redistribution of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that this software is not designed or intended for use * in the design, construction, operation or maintenance of any nuclear * facility. * * Sun gratefully acknowledges that this software was originally authored * and developed by Kenneth Bradley Russell and Christopher John Kline. */ package demos.texture; import com.sun.opengl.util.texture.Texture; import com.sun.opengl.util.texture.TextureCoords; import com.sun.opengl.util.texture.TextureIO; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.InputEvent; import java.awt.event.KeyEvent; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; import java.io.PrintStream; import javax.media.opengl.DebugGL2; import javax.media.opengl.GL; import javax.media.opengl.GL2; import javax.media.opengl.GLAutoDrawable; import javax.media.opengl.GLEventListener; import javax.media.opengl.awt.GLCanvas; import javax.media.opengl.glu.GLU; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JPopupMenu; import javax.swing.KeyStroke; /** Demonstrates simple use of the TextureIO texture loader. */ public class TestTexture implements GLEventListener { public static void main(String[] args) { new TestTexture().run(args); } private File curDir; private void run(String[] args) { JPopupMenu.setDefaultLightWeightPopupEnabled(false); JFrame frame = new JFrame("Texture Loader Demo"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); final GLCanvas canvas = new GLCanvas(); JMenuBar menuBar = new JMenuBar(); JMenu menu = new JMenu("File"); JMenuItem item = new JMenuItem("Open texture..."); item.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { JFileChooser chooser = new JFileChooser(curDir); int res = chooser.showOpenDialog(null); if (res == JFileChooser.APPROVE_OPTION) { File chosen = chooser.getSelectedFile(); if (chosen != null) { curDir = chosen.getParentFile(); setTextureFile(chosen); canvas.repaint(); } } } }); item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_MASK)); menu.add(item); item = new JMenuItem("Flush texture"); item.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { flushTexture(); canvas.repaint(); } }); item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, InputEvent.CTRL_MASK)); menu.add(item); item = new JMenuItem("Exit"); item.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, InputEvent.CTRL_MASK)); menu.add(item); menuBar.add(menu); canvas.addGLEventListener(this); frame.getContentPane().add(canvas); frame.setJMenuBar(menuBar); frame.setSize(800, 600); frame.setVisible(true); } private boolean newTexture; private boolean flushTexture; private File file; private Texture texture; private GLU glu = new GLU(); public void setTextureFile(File file) { this.file = file; newTexture = true; } public void flushTexture() { flushTexture = true; } public void init(GLAutoDrawable drawable) { GL gl = drawable.getGL(); drawable.setGL(new DebugGL2(gl.getGL2())); gl.glClearColor(0, 0, 0, 0); gl.glEnable(GL.GL_DEPTH_TEST); } public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { GL gl = drawable.getGL(); gl.glMatrixMode(GL.GL_PROJECTION); gl.glLoadIdentity(); glu.gluOrtho2D(0, 1, 0, 1); gl.glMatrixMode(GL.GL_MODELVIEW); gl.glLoadIdentity(); } public void display(GLAutoDrawable drawable) { GL2 gl = drawable.getGL().getGL2(); gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); if (flushTexture) { flushTexture = false; if (texture != null) { texture.dispose(); texture = null; } } if (newTexture) { newTexture = false; if (texture != null) { texture.dispose(); texture = null; } try { System.err.println("Loading texture..."); texture = TextureIO.newTexture(file, true); System.err.println("Texture estimated memory size = " + texture.getEstimatedMemorySize()); } catch (IOException e) { e.printStackTrace(); ByteArrayOutputStream bos = new ByteArrayOutputStream(); e.printStackTrace(new PrintStream(bos)); JOptionPane.showMessageDialog(null, bos.toString(), "Error loading texture", JOptionPane.ERROR_MESSAGE); return; } } if (texture != null) { texture.enable(); texture.bind(); gl.glTexEnvi(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE); TextureCoords coords = texture.getImageTexCoords(); gl.glBegin(GL2.GL_QUADS); gl.glTexCoord2f(coords.left(), coords.bottom()); gl.glVertex3f(0, 0, 0); gl.glTexCoord2f(coords.right(), coords.bottom()); gl.glVertex3f(1, 0, 0); gl.glTexCoord2f(coords.right(), coords.top()); gl.glVertex3f(1, 1, 0); gl.glTexCoord2f(coords.left(), coords.top()); gl.glVertex3f(0, 1, 0); gl.glEnd(); texture.disable(); } } public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {} }