Line data    Source code

       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 "Linear3DTransformation.hxx"
      21             : #include <algorithm>
      22             : 
      23             : using namespace ::com::sun::star;
      24             : 
      25             : using ::com::sun::star::uno::Sequence;
      26             : using ::com::sun::star::uno::RuntimeException;
      27             : 
      28             : namespace chart
      29             : {
      30             : 
      31           0 :     Linear3DTransformation::Linear3DTransformation( const drawing::HomogenMatrix& rHomMatrix, bool bSwapXAndY )
      32             :     : m_Matrix(rHomMatrix)
      33           0 :     , m_bSwapXAndY(bSwapXAndY)
      34           0 : {}
      35             : 
      36           0 : Linear3DTransformation::~Linear3DTransformation()
      37           0 : {}
      38             : 
      39             : // ____ XTransformation ____
      40           0 : Sequence< double > SAL_CALL Linear3DTransformation::transform(
      41             :                         const Sequence< double >& rSourceValues )
      42             :     throw (RuntimeException,
      43             :            lang::IllegalArgumentException, std::exception)
      44             : {
      45           0 :     double fX = rSourceValues[0];
      46           0 :     double fY = rSourceValues[1];
      47           0 :     double fZ = rSourceValues[2];
      48           0 :     if(m_bSwapXAndY)
      49           0 :         std::swap(fX,fY);
      50           0 :     Sequence< double > aNewVec(3);
      51             :     double fZwi;
      52             : 
      53           0 :     fZwi = m_Matrix.Line1.Column1 * fX
      54           0 :          + m_Matrix.Line1.Column2 * fY
      55           0 :          + m_Matrix.Line1.Column3 * fZ
      56           0 :          + m_Matrix.Line1.Column4;
      57           0 :     aNewVec[0] = fZwi;
      58             : 
      59           0 :     fZwi = m_Matrix.Line2.Column1 * fX
      60           0 :          + m_Matrix.Line2.Column2 * fY
      61           0 :          + m_Matrix.Line2.Column3 * fZ
      62           0 :          + m_Matrix.Line2.Column4;
      63           0 :     aNewVec[1] = fZwi;
      64             : 
      65           0 :     fZwi = m_Matrix.Line3.Column1 * fX
      66           0 :          + m_Matrix.Line3.Column2 * fY
      67           0 :          + m_Matrix.Line3.Column3 * fZ
      68           0 :          + m_Matrix.Line3.Column4;
      69           0 :     aNewVec[2] = fZwi;
      70             : 
      71           0 :     fZwi = m_Matrix.Line4.Column1 * fX
      72           0 :          + m_Matrix.Line4.Column2 * fY
      73           0 :          + m_Matrix.Line4.Column3 * fZ
      74           0 :          + m_Matrix.Line4.Column4;
      75           0 :     if(fZwi != 1.0 && fZwi != 0.0)
      76             :     {
      77           0 :         aNewVec[0] /= fZwi;
      78           0 :         aNewVec[1] /= fZwi;
      79           0 :         aNewVec[2] /= fZwi;
      80             :     }
      81           0 :     return aNewVec;
      82             : }
      83             : 
      84           0 : sal_Int32 SAL_CALL Linear3DTransformation::getSourceDimension()
      85             :     throw (RuntimeException, std::exception)
      86             : {
      87           0 :     return 3;
      88             : }
      89             : 
      90           0 : sal_Int32 SAL_CALL Linear3DTransformation::getTargetDimension()
      91             :     throw (RuntimeException, std::exception)
      92             : {
      93           0 :     return 3;
      94             : }
      95             : 
      96             : }  // namespace chart
      97             : 
      98             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */