1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.javafx.scene.shape; 27 28 import com.sun.javafx.geom.BaseBounds; 29 import com.sun.javafx.geom.transform.BaseTransform; 30 import com.sun.javafx.sg.prism.NGNode; 31 import com.sun.javafx.util.Utils; 32 import javafx.scene.Node; 33 import javafx.scene.paint.Paint; 34 import javafx.scene.shape.Line; 35 import javafx.scene.shape.Shape; 36 37 /** 38 * Used to access internal methods of Line. 39 */ 40 public class LineHelper extends ShapeHelper { 41 42 private static final LineHelper theInstance; 43 private static LineAccessor lineAccessor; 44 45 static { 46 theInstance = new LineHelper(); 47 Utils.forceInit(Line.class); 48 } 49 50 private static LineHelper getInstance() { 51 return theInstance; 52 } 53 54 public static void initHelper(Line line) { 55 setHelper(line, getInstance()); 56 } 57 58 @Override 59 protected NGNode createPeerImpl(Node node) { 60 return lineAccessor.doCreatePeer(node); 61 } 62 63 @Override 64 protected void updatePeerImpl(Node node) { 65 super.updatePeerImpl(node); 66 lineAccessor.doUpdatePeer(node); 67 } 68 69 @Override 70 protected BaseBounds computeGeomBoundsImpl(Node node, BaseBounds bounds, 71 BaseTransform tx) { 72 return lineAccessor.doComputeGeomBounds(node, bounds, tx); 73 } 74 75 @Override 76 protected Paint cssGetFillInitialValueImpl(Shape shape) { 77 return lineAccessor.doCssGetFillInitialValue(shape); 78 } 79 80 @Override 81 protected Paint cssGetStrokeInitialValueImpl(Shape shape) { 82 return lineAccessor.doCssGetStrokeInitialValue(shape); 83 } 84 85 @Override 86 protected com.sun.javafx.geom.Shape configShapeImpl(Shape shape) { 87 return lineAccessor.doConfigShape(shape); 88 } 89 90 public static void setLineAccessor(final LineAccessor newAccessor) { 91 if (lineAccessor != null) { 92 throw new IllegalStateException(); 93 } 94 95 lineAccessor = newAccessor; 96 } 97 98 public interface LineAccessor { 99 NGNode doCreatePeer(Node node); 100 void doUpdatePeer(Node node); 101 BaseBounds doComputeGeomBounds(Node node, BaseBounds bounds, BaseTransform tx); 102 Paint doCssGetFillInitialValue(Shape shape); 103 Paint doCssGetStrokeInitialValue(Shape shape); 104 com.sun.javafx.geom.Shape doConfigShape(Shape shape); 105 } 106 107 }