1 files changed, 177 insertions, 0 deletions
diff --git a/src/net/java/games/jogl/GLCanvas.java b/src/net/java/games/jogl/GLCanvas.java
new file mode 100644
index 000000000..21c06ee3f
--- /dev/null
+++ b/src/net/java/games/jogl/GLCanvas.java
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2003 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
+ * MIDROSYSTEMS, 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 net.java.games.jogl;
+
+import java.awt.Canvas;
+import java.awt.Graphics;
+import java.awt.GraphicsConfiguration;
+import net.java.games.jogl.impl.*;
+
+// FIXME: Subclasses need to call resetGLFunctionAvailability() on their
+// context whenever the displayChanged() function is called on our
+// GLEventListeners
+
+/** A heavyweight AWT component which provides OpenGL rendering
+    support. This is the primary implementation of {@link GLDrawable};
+    {@link GLJPanel} is provided for compatibility with Swing user
+    interfaces when adding a heavyweight doesn't work either because
+    of Z-ordering or LayoutManager problems. This class can not be
+    instantiated directly; use {@link GLDrawableFactory} to construct
+    them. */
+
+public final class GLCanvas extends Canvas implements GLDrawable {
+
+  private GLDrawableHelper drawableHelper = new GLDrawableHelper();
+  private GLContext context;
+
+  GLCanvas(GLCapabilities capabilities, GLCapabilitiesChooser chooser) {
+    super();
+    context = GLContextFactory.getFactory().createGLContext(this, capabilities, chooser);
+  }
+
+  GLCanvas(GraphicsConfiguration config, GLCapabilities capabilities, GLCapabilitiesChooser chooser) {
+    super(config);
+    context = GLContextFactory.getFactory().createGLContext(this, capabilities, chooser);
+  }
+  
+  public void display() {
+    context.invokeGL(displayAction, false, initAction);
+  }
+
+  /** Overridden from Canvas; calls {@link #display}. Should not be
+      invoked by applications directly. */
+  public void paint(Graphics g) {
+    if (!context.getNoAutoRedrawMode()) {
+      display();
+    }
+  }
+
+  /** Overridden from Canvas; causes {@link GLDrawableHelper#reshape}
+      to be called on all registered {@link GLEventListener}s. Called
+      automatically by the AWT; should not be invoked by applications
+      directly. */
+  public void reshape(int x, int y, int width, int height) {
+    super.reshape(x, y, width, height);
+    // Note: we ignore the given x and y within the parent component
+    // since we are drawing directly into this heavyweight component.
+    final int fx      = 0;
+    final int fy      = 0;
+    final int fwidth  = width;
+    final int fheight = height;
+    context.invokeGL(new Runnable() {
+        public void run() {
+          getGL().glViewport(fx, fy, fwidth, fheight);
+          drawableHelper.reshape(GLCanvas.this, fx, fy, fwidth, fheight);
+        }
+      }, true, initAction);
+  }
+
+  public void addGLEventListener(GLEventListener listener) {
+    drawableHelper.addGLEventListener(listener);
+  }
+
+  public void removeGLEventListener(GLEventListener listener) {
+    drawableHelper.removeGLEventListener(listener);
+  }
+
+  public GL getGL() {
+    return context.getGL();
+  }
+
+  public void setGL(GL gl) {
+    context.setGL(gl);
+  }
+
+  public GLU getGLU() {
+    return context.getGLU();
+  }
+  
+  public void setGLU(GLU glu) {
+    context.setGLU(glu);
+  }
+  
+  void willSetRenderingThread() {
+    context.willSetRenderingThread();
+  }
+
+  public void setRenderingThread(Thread currentThreadOrNull) throws GLException {
+    context.setRenderingThread(currentThreadOrNull, initAction);
+  }
+
+  public Thread getRenderingThread() {
+    return context.getRenderingThread();
+  }
+
+  public void setNoAutoRedrawMode(boolean noAutoRedraw) {
+    context.setNoAutoRedrawMode(noAutoRedraw);
+  }
+
+  public boolean getNoAutoRedrawMode() {
+    return context.getNoAutoRedrawMode();
+  }
+
+  public boolean canCreateOffscreenDrawable() {
+    return context.canCreatePbufferContext();
+  }
+
+  public GLPbuffer createOffscreenDrawable(GLCapabilities capabilities,
+                                           int initialWidth,
+                                           int initialHeight) {
+    return new GLPbufferImpl(context.createPbufferContext(capabilities, initialWidth, initialHeight));
+  }
+
+  //----------------------------------------------------------------------
+  // Internals only below this point
+  //
+
+  class InitAction implements Runnable {
+    public void run() {
+      drawableHelper.init(GLCanvas.this);
+    }
+  }
+  private InitAction initAction = new InitAction();
+  
+  class DisplayAction implements Runnable {
+    public void run() {
+      drawableHelper.display(GLCanvas.this);
+    }
+  }
+  private DisplayAction displayAction = new DisplayAction();
+}