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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.shape;

import com.sun.javafx.geom.BaseBounds;
import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.javafx.scene.DirtyBits;
import com.sun.javafx.scene.NodeHelper;
import com.sun.javafx.sg.prism.NGNode;
import com.sun.javafx.sg.prism.NGShape;
import com.sun.javafx.util.Utils;
import javafx.scene.Node;
import javafx.scene.paint.Paint;
import javafx.scene.shape.Shape;

Used to access internal methods of Shape.
/** * Used to access internal methods of Shape. */
public abstract class ShapeHelper extends NodeHelper { private static ShapeAccessor shapeAccessor; static { Utils.forceInit(Shape.class); } /* * Static helper methods for cases where the implementation is done in an * instance method that is overridden by subclasses. * These methods exist in the base class only. */ public static Paint cssGetFillInitialValue(Shape shape) { return ((ShapeHelper) getHelper(shape)).cssGetFillInitialValueImpl(shape); } public static Paint cssGetStrokeInitialValue(Shape shape) { return ((ShapeHelper) getHelper(shape)).cssGetStrokeInitialValueImpl(shape); } public static com.sun.javafx.geom.Shape configShape(Shape shape) { return ((ShapeHelper) getHelper(shape)).configShapeImpl(shape); } /* * Methods that will be overridden by subclasses */ @Override protected void updatePeerImpl(Node node) { super.updatePeerImpl(node); shapeAccessor.doUpdatePeer(node); } @Override protected void markDirtyImpl(Node node, DirtyBits dirtyBit) { shapeAccessor.doMarkDirty(node, dirtyBit); super.markDirtyImpl(node, dirtyBit); } @Override protected BaseBounds computeGeomBoundsImpl(Node node, BaseBounds bounds, BaseTransform tx) { return shapeAccessor.doComputeGeomBounds(node, bounds, tx); } @Override protected boolean computeContainsImpl(Node node, double localX, double localY) { return shapeAccessor.doComputeContains(node, localX, localY); } protected Paint cssGetFillInitialValueImpl(Shape shape) { return shapeAccessor.doCssGetFillInitialValue(shape); } protected Paint cssGetStrokeInitialValueImpl(Shape shape) { return shapeAccessor.doCssGetStrokeInitialValue(shape); } protected abstract com.sun.javafx.geom.Shape configShapeImpl(Shape shape); /* * Methods used by Shape (base) class only */ public static NGShape.Mode getMode(Shape shape) { return shapeAccessor.getMode(shape); } public static void setMode(Shape shape, NGShape.Mode mode) { shapeAccessor.setMode(shape, mode); } public static void setShapeChangeListener(Shape shape, Runnable listener) { shapeAccessor.setShapeChangeListener(shape, listener); } public static void setShapeAccessor(final ShapeAccessor newAccessor) { if (shapeAccessor != null) { throw new IllegalStateException(); } shapeAccessor = newAccessor; } public interface ShapeAccessor { void doUpdatePeer(Node node); void doMarkDirty(Node node, DirtyBits dirtyBit); BaseBounds doComputeGeomBounds(Node node, BaseBounds bounds, BaseTransform tx); boolean doComputeContains(Node node, double localX, double localY); Paint doCssGetFillInitialValue(Shape shape); Paint doCssGetStrokeInitialValue(Shape shape); NGShape.Mode getMode(Shape shape); void setMode(Shape shape, NGShape.Mode mode); void setShapeChangeListener(Shape shape, Runnable listener); } }