1 /*
   2  * Copyright (c) 2010, 2014, 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 test.javafx.scene;
  27 
  28 import test.com.sun.javafx.test.TransformHelper;
  29 import javafx.scene.transform.Transform;
  30 import javafx.scene.transform.Translate;
  31 import javafx.scene.shape.Rectangle;
  32 import javafx.beans.Observable;
  33 import javafx.beans.InvalidationListener;
  34 import javafx.scene.Node;
  35 import org.junit.Test;
  36 import static org.junit.Assert.*;
  37 
  38 public class Node_LocalToParentTransform_Test {
  39     private boolean notified;
  40 
  41     @Test
  42     public void notTransformedNodeShouldReturnIdentity() {
  43         Node n = new Rectangle(20, 20);
  44         TransformHelper.assertMatrix(n.getLocalToParentTransform(),
  45                 1, 0, 0, 0,
  46                 0, 1, 0, 0,
  47                 0, 0, 1, 0);
  48     }
  49 
  50     @Test
  51     public void shouldConsiderBothTransformListAndConvenientTransforms() {
  52         Node n = new Rectangle(20, 20);
  53 
  54         n.setTranslateX(10);
  55         n.setScaleY(10);
  56         n.getTransforms().add(new Translate(5, 6));
  57 
  58         TransformHelper.assertMatrix(n.getLocalToParentTransform(),
  59                 1,  0, 0,  15,
  60                 0, 10, 0, -30,
  61                 0,  0, 1,   0);
  62     }
  63 
  64     @Test
  65     public void shouldBeUpToDate() {
  66         Node n = new Rectangle(20, 20);
  67 
  68         n.setTranslateX(10);
  69 
  70         TransformHelper.assertMatrix(n.getLocalToParentTransform(),
  71                 1, 0, 0, 10,
  72                 0, 1, 0, 0,
  73                 0, 0, 1, 0);
  74 
  75         n.setTranslateX(20);
  76 
  77         TransformHelper.assertMatrix(n.getLocalToParentTransform(),
  78                 1, 0, 0, 20,
  79                 0, 1, 0,  0,
  80                 0, 0, 1,  0);
  81     }
  82 
  83     @Test
  84     public void shouldBeNotifiedWhenNodeTransforms() {
  85         final Node n = new Rectangle(20, 20);
  86         n.localToParentTransformProperty().addListener(o -> {
  87             if (!notified) {
  88                 notified = true;
  89                 TransformHelper.assertMatrix(n.getLocalToParentTransform(),
  90                     1, 0, 0, 10,
  91                     0, 1, 0, 20,
  92                     0, 0, 1,  0);
  93             }
  94         });
  95 
  96         notified = false;
  97         n.getTransforms().add(new Translate(10, 20));
  98         assertTrue(notified);
  99 
 100         n.getTransforms().clear();
 101         n.getTransforms().add(new Translate(10, 0));
 102         n.getLocalToParentTransform();
 103 
 104         notified = false;
 105         n.setTranslateY(20);
 106         assertTrue(notified);
 107     }
 108 
 109     @Test
 110     public void shouldNotBeReusedWhenReferenceGivenToUser() {
 111         final Node n = new Rectangle(20, 20);
 112 
 113         n.setTranslateX(200);
 114         Transform t1 = n.getLocalToParentTransform();
 115         TransformHelper.assertMatrix(t1,
 116                 1, 0, 0, 200,
 117                 0, 1, 0, 0,
 118                 0, 0, 1, 0);
 119 
 120         n.setTranslateX(300);
 121         Transform t2 = n.getLocalToParentTransform();
 122         TransformHelper.assertMatrix(t2,
 123                 1, 0, 0, 300,
 124                 0, 1, 0, 0,
 125                 0, 0, 1, 0);
 126 
 127         assertFalse(t1 == t2);
 128         TransformHelper.assertMatrix(t1,
 129                 1, 0, 0, 200,
 130                 0, 1, 0, 0,
 131                 0, 0, 1, 0);
 132     }
 133 }