/*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program 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.
*
* This program 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 at /legal/license.txt).
*
* 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 or visit www.sun.com if you need additional
* information or have any questions.
*/
package javax.microedition.khronos.egl;
import javax.microedition.lcdui.Graphics;
import java.util.Hashtable;
import java.lang.ref.WeakReference;
/**
* A class encapsulating an EGL surface.
*/
final class EGLSurfaceImpl extends EGLSurface {
static final Hashtable byId = new Hashtable();
private int nativeId;
private int width, height;
/**
* A native pointer (cast to int) to the JSR239_Pixmap object
* backing the surface, or 0 for null.
*/
private int pixmapPointer = 0;
/**
* An LCDUI Graphics object referencing the surface.
*/
private Graphics target;
public EGLSurfaceImpl(int nativeId, int width, int height) {
synchronized (byId) {
this.nativeId = nativeId;
this.width = width;
this.height = height;
byId.put(new Integer(nativeId), new WeakReference(this));
}
}
private native void finalize();
public int nativeId() {
return nativeId;
}
public static EGLSurfaceImpl getInstance(int nativeId,
int width, int height) {
synchronized (byId) {
WeakReference ref = (WeakReference)byId.get(new Integer(nativeId));
EGLSurfaceImpl surface = ref != null ?
(EGLSurfaceImpl)ref.get() : null;
if (surface == null) {
return new EGLSurfaceImpl(nativeId, width, height);
} else {
return surface;
}
}
}
public static EGLSurfaceImpl getInstance(int nativeId) {
return getInstance(nativeId, -1, -1);
}
public String toString() {
return "EGLSurfaceImpl[" + nativeId + "]";
}
public void setPixmapPointer(int pixmapPointer) {
this.pixmapPointer = pixmapPointer;
}
public int getPixmapPointer() {
return this.pixmapPointer;
}
public void setTarget(Graphics target) {
this.target = target;
}
public Graphics getTarget() {
return this.target;
}
public int getWidth() {
return this.width;
}
public int getHeight() {
return this.height;
}
public void dispose() {
synchronized (byId) {
byId.remove(new Integer(nativeId));
this.nativeId = 0;
}
}
}
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