1 /* 2 * Copyright (c) 2016, 2018, 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.web; 27 28 import com.sun.javafx.geom.BaseBounds; 29 import com.sun.javafx.geom.transform.BaseTransform; 30 import com.sun.javafx.scene.NodeHelper; 31 import com.sun.javafx.sg.prism.NGNode; 32 import com.sun.javafx.util.Utils; 33 import javafx.scene.Node; 34 35 public class PrintableHelper extends NodeHelper { 36 37 private static final PrintableHelper theInstance; 38 private static PrintableAccessor printableAccessor; 39 40 static { 41 theInstance = new PrintableHelper(); 42 Utils.forceInit(Printable.class); 43 } 44 45 private static PrintableHelper getInstance() { 46 return theInstance; 47 } 48 49 public static void initHelper(Printable printable) { 50 setHelper(printable, getInstance()); 51 } 52 53 public static void setPrintableAccessor(final PrintableAccessor newAccessor) { 54 if (printableAccessor != null) { 55 throw new IllegalStateException(); 56 } 57 58 printableAccessor = newAccessor; 59 } 60 61 @Override 62 protected NGNode createPeerImpl(Node node) { 63 return printableAccessor.doCreatePeer(node); 64 } 65 66 @Override 67 protected BaseBounds computeGeomBoundsImpl(Node node, BaseBounds bounds, 68 BaseTransform tx) { 69 return printableAccessor.doComputeGeomBounds(node, bounds, tx); 70 } 71 72 @Override 73 protected boolean computeContainsImpl(Node node, double localX, double localY) { 74 return printableAccessor.doComputeContains(node, localX, localY); 75 } 76 77 public interface PrintableAccessor { 78 NGNode doCreatePeer(Node node); 79 BaseBounds doComputeGeomBounds(Node node, BaseBounds bounds, BaseTransform tx); 80 boolean doComputeContains(Node node, double localX, double localY); 81 } 82 83 } 84