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This is a backport of OpenJFX 8 to run on Java 7.
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/*
 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.prism.null3d;

import com.sun.glass.ui.Screen;
import com.sun.prism.MediaFrame;
import com.sun.prism.Graphics;
import com.sun.prism.Image;
import com.sun.prism.PixelFormat;
import com.sun.prism.RTTexture;
import java.nio.Buffer;


class DummyRTTexture extends DummyTexture implements RTTexture {
    private boolean opaque;

    DummyRTTexture(DummyContext context, WrapMode wrapMode,
                   int contentWidth, int contentHeight)
    {
        super(context, PixelFormat.INT_ARGB_PRE, wrapMode,
              contentWidth, contentHeight, true);
    }

    public Graphics createGraphics() {
        return DummyGraphics.create(this, getContext());
    }

    public int[] getPixels() {
        return null;
    }

    public boolean readPixels(Buffer pixels, int x, int y, int width, int height) {
        return false;
    }
    
    public boolean readPixels(Buffer pixels) {
        return false;
    }

    public Screen getAssociatedScreen() {
        return getContext().getAssociatedScreen();
    }

    @Override
    public void update(Image img) {
    }

    @Override
    public void update(Image img, int dstx, int dsty) {
    }

    @Override
    public void update(Image img, int dstx, int dsty, int w, int h) {
    }

    @Override
    public void update(Image img, int dstx, int dsty, int w, int h, boolean skipFlush) {
    }

    @Override
    public void update(Buffer pixels, PixelFormat format,
                       int dstx, int dsty,
                       int srcx, int srcy, int srcw, int srch, int srcscan,
                       boolean skipFlush)
    {
    }

    public void update(MediaFrame frame, boolean skipFlush) {
    }

    public boolean isOpaque() {
        return opaque;
    }

    public void setOpaque(boolean opaque) {
        this.opaque = opaque;
    }

    public boolean isVolatile() {
        return false;
    }
}