javax.media.j3d.DrawingSurfaceObject Maven / Gradle / Ivy
/*
* 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;
}
}