1 /*
   2  * Copyright (c) 2012, 2014, Oracle and/or its affiliates.
   3  * All rights reserved. Use is subject to license terms.
   4  *
   5  * This file is available and licensed under the following license:
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  *  - Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *  - Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the distribution.
  16  *  - Neither the name of Oracle Corporation nor the names of its
  17  *    contributors may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 package com.oracle.javafx.scenebuilder.kit.editor.panel.content.util;
  33 
  34 import javafx.geometry.BoundingBox;
  35 import javafx.geometry.Bounds;
  36 
  37 /**
  38  * A BoundsUnion instance allows to compute the union of multiple bounds.
  39  *
  40  *
  41  */
  42 public class BoundsUnion {
  43 
  44     private Bounds result;
  45 
  46     public void add(Bounds b) {
  47         if (result == null) {
  48             result = b;
  49         } else {
  50             result = compute(result, b);
  51         }
  52     }
  53 
  54     public Bounds getResult() {
  55         return result;
  56     }
  57 
  58     public static Bounds compute(Bounds b1, Bounds b2) {
  59         double minX, minY, minZ, maxX, maxY, maxZ;
  60 
  61         minX = Math.min(b1.getMinX(), b2.getMinX());
  62         minY = Math.min(b1.getMinY(), b2.getMinY());
  63         minZ = Math.min(b1.getMinZ(), b2.getMinZ());
  64 
  65         maxX = Math.max(b1.getMaxX(), b2.getMaxX());
  66         maxY = Math.max(b1.getMaxY(), b2.getMaxY());
  67         maxZ = Math.max(b1.getMaxZ(), b2.getMaxZ());
  68 
  69         return new BoundingBox(minX, minY, minZ,
  70                    maxX - minX, maxY - minY, maxZ - minZ);
  71 
  72     }
  73 }