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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
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 * 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).
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package com.sun.javafx.scene;

import com.sun.javafx.geom.BaseBounds;
import com.sun.javafx.geom.transform.BaseTransform;
import static com.sun.javafx.scene.NodeHelper.setHelper;
import com.sun.javafx.sg.prism.NGNode;
import com.sun.javafx.util.Utils;
import javafx.scene.Node;
import javafx.scene.image.ImageView;

Used to access internal methods of ImageView.
/** * Used to access internal methods of ImageView. */
public class ImageViewHelper extends NodeHelper { private static final ImageViewHelper theInstance; private static ImageViewAccessor imageViewAccessor; static { theInstance = new ImageViewHelper(); Utils.forceInit(ImageView.class); } private static ImageViewHelper getInstance() { return theInstance; } public static void initHelper(ImageView imageView) { setHelper(imageView, getInstance()); } @Override protected NGNode createPeerImpl(Node node) { return imageViewAccessor.doCreatePeer(node); } @Override protected void updatePeerImpl(Node node) { super.updatePeerImpl(node); imageViewAccessor.doUpdatePeer(node); } @Override protected BaseBounds computeGeomBoundsImpl(Node node, BaseBounds bounds, BaseTransform tx) { return imageViewAccessor.doComputeGeomBounds(node, bounds, tx); } @Override protected boolean computeContainsImpl(Node node, double localX, double localY) { return imageViewAccessor.doComputeContains(node, localX, localY); } public static void setImageViewAccessor(final ImageViewAccessor newAccessor) { if (imageViewAccessor != null) { throw new IllegalStateException(); } imageViewAccessor = newAccessor; } public interface ImageViewAccessor { NGNode doCreatePeer(Node node); void doUpdatePeer(Node node); BaseBounds doComputeGeomBounds(Node node, BaseBounds bounds, BaseTransform tx); boolean doComputeContains(Node node, double localX, double localY); } }