Incorporated TextureIO texture loader (and, eventually, writer) and

associated classes for being able to easily read in and display
textures with OpenGL. Collaboration with Chris Campbell from the
Java2D team. Supports multiple file formats both through ImageIO as
well as custom texture loaders for DDS, SGI and TGA files. Writing of
textures back to disk is not yet implemented. Reading of mipmaps from
files which support it as well as autogeneration of mipmaps are not
yet well supported and usage of mipmap arguments in the API still need
to be rethought. Added TestTexture demo to jogl-demos workspace to
show simple usage.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@159 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4

7 files changed, 203 insertions, 0 deletions

diff --git a/src/demos/data/images/test_texture.jpg b/src/demos/data/images/test_texture.jpg
new file mode 100755
index 0000000..bf66fbd
--- /dev/null
+++ b/src/demos/data/images/test_texture.jpg
diff --git a/src/demos/data/images/test_texture.png b/src/demos/data/images/test_texture.png
new file mode 100755
index 0000000..6c5563b
--- /dev/null
+++ b/src/demos/data/images/test_texture.png
diff --git a/src/demos/data/images/test_texture.rgb b/src/demos/data/images/test_texture.rgb
new file mode 100755
index 0000000..bbe5662
--- /dev/null
+++ b/src/demos/data/images/test_texture.rgb
diff --git a/src/demos/data/images/test_texture.tga b/src/demos/data/images/test_texture.tga
new file mode 100755
index 0000000..4bdc10d
--- /dev/null
+++ b/src/demos/data/images/test_texture.tga
diff --git a/src/demos/data/images/test_texture.tiff b/src/demos/data/images/test_texture.tiff
new file mode 100755
index 0000000..9f3e8d4
--- /dev/null
+++ b/src/demos/data/images/test_texture.tiff
diff --git a/src/demos/data/images/test_texture_dxt3.dds b/src/demos/data/images/test_texture_dxt3.dds
new file mode 100755
index 0000000..2ab9b81
--- /dev/null
+++ b/src/demos/data/images/test_texture_dxt3.dds
diff --git a/src/demos/texture/TestTexture.java b/src/demos/texture/TestTexture.java
new file mode 100755
index 0000000..0c4492c
--- /dev/null
+++ b/src/demos/texture/TestTexture.java
@@ -0,0 +1,203 @@
+/*
+
+ * 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 java.awt.geom.*;
+import java.awt.event.*;
+import java.io.*;
+import javax.swing.*;
+
+import javax.media.opengl.*;
+import javax.media.opengl.glu.*;
+import com.sun.opengl.utils.*;
+
+/** 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.add(canvas);
+    frame.setJMenuBar(menuBar);
+    frame.setSize(800, 600);
+    frame.show();
+  }
+
+  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();
+    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) {
+    GL gl = drawable.getGL();
+    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);
+      } 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();
+      gl.glTexEnvi(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
+      texture.bind();
+      Point2D lowerLeft  = texture.getImageLowerLeftTexCoord();
+      Point2D upperRight = texture.getImageUpperRightTexCoord();
+
+      gl.glBegin(GL.GL_QUADS);
+      gl.glTexCoord2d(lowerLeft.getX(), lowerLeft.getY());
+      gl.glVertex3f(0, 0, 0);
+      gl.glTexCoord2d(upperRight.getX(), lowerLeft.getY());
+      gl.glVertex3f(1, 0, 0);
+      gl.glTexCoord2d(upperRight.getX(), upperRight.getY());
+      gl.glVertex3f(1, 1, 0);
+      gl.glTexCoord2d(lowerLeft.getX(), upperRight.getY());
+      gl.glVertex3f(0, 1, 0);
+      gl.glEnd();
+      texture.disable();
+    }
+  }
+
+  public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {}
+}