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.
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   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/matrix/b3dhommatrix.hxx>
  22
  23 namespace basegfx
  24 {
  25     void B3DRange::transform(const B3DHomMatrix& rMatrix)
  26     {
  27         if(!isEmpty() && !rMatrix.isIdentity())
  28         {
  29             const B3DRange aSource(*this);
  30             reset();
  31             expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMinY(), aSource.getMinZ()));
  32             expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMinY(), aSource.getMinZ()));
  33             expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMaxY(), aSource.getMinZ()));
  34             expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMaxY(), aSource.getMinZ()));
  35             expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMinY(), aSource.getMaxZ()));
  36             expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMinY(), aSource.getMaxZ()));
  37             expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMaxY(), aSource.getMaxZ()));
  38             expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMaxY(), aSource.getMaxZ()));
  39         }
  40     }
  41
  42     B3DRange& B3DRange::operator*=( const ::basegfx::B3DHomMatrix& rMat )
  43     {
  44         transform(rMat);
  45         return *this;
  46     }
  47
  48     const B3DRange& B3DRange::getUnitB3DRange()
  49     {
  50         static const B3DRange aUnitB3DRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
  51
  52         return aUnitB3DRange;
  53     }
  54
  55     B3DRange operator*( const ::basegfx::B3DHomMatrix& rMat, const B3DRange& rB3DRange )
  56     {
  57         B3DRange aRes( rB3DRange );
  58         return aRes *= rMat;
  59     }
  60
  61 } // end of namespace basegfx
  62
  63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */