basegfx/source/range/b3drange.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <basegfx/range/b3drange.hxx>
  21 #include <basegfx/numeric/ftools.hxx>
  22 #include <basegfx/matrix/b3dhommatrix.hxx>
  23
  24 namespace basegfx
  25 {
  26     void B3DRange::transform(const B3DHomMatrix& rMatrix)
  27     {
  28         if(!isEmpty() && !rMatrix.isIdentity())
  29         {
  30             const B3DRange aSource(*this);
  31             reset();
  32             expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMinY(), aSource.getMinZ()));
  33             expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMinY(), aSource.getMinZ()));
  34             expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMaxY(), aSource.getMinZ()));
  35             expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMaxY(), aSource.getMinZ()));
  36             expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMinY(), aSource.getMaxZ()));
  37             expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMinY(), aSource.getMaxZ()));
  38             expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMaxY(), aSource.getMaxZ()));
  39             expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMaxY(), aSource.getMaxZ()));
  40         }
  41     }
  42
  43     B3DRange& B3DRange::operator*=( const ::basegfx::B3DHomMatrix& rMat )
  44     {
  45         transform(rMat);
  46         return *this;
  47     }
  48
  49     const B3DRange& B3DRange::getUnitB3DRange()
  50     {
  51         static const B3DRange aUnitB3DRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
  52
  53         return aUnitB3DRange;
  54     }
  55
  56     B3DRange operator*( const ::basegfx::B3DHomMatrix& rMat, const B3DRange& rB3DRange )
  57     {
  58         B3DRange aRes( rB3DRange );
  59         return aRes *= rMat;
  60     }
  61
  62 } // end of namespace basegfx
  63
  64 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */