1 files changed, 56 insertions, 0 deletions
diff --git a/src/javax/media/j3d/DrawingSurfaceObject.java b/src/javax/media/j3d/DrawingSurfaceObject.java
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+++ b/src/javax/media/j3d/DrawingSurfaceObject.java
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+/*
+ * Copyright 1999-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package javax.media.j3d;
+
+/**
+ * The DrawingSurfaceObject class is used to manage native drawing surface
+ */
+
+abstract class DrawingSurfaceObject extends Object {
+
+    Canvas3D canvas;
+    boolean gotDsiLock = false;
+    boolean onScreen;
+
+    abstract boolean renderLock();
+    abstract void unLock();
+    abstract void getDrawingSurfaceObjectInfo();
+    abstract void invalidate();
+
+    DrawingSurfaceObject(Canvas3D cv) {
+        canvas = cv;
+	onScreen = !cv.offScreen;
+    }
+
+    synchronized boolean isLocked() {
+	return gotDsiLock;
+    }
+
+    synchronized void contextValidated() {
+        canvas.validCtx = true;
+    }
+}