chart2/source/view/main/VPolarTransformation.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 "VPolarTransformation.hxx"
  21 #include "ViewDefines.hxx"
  22 #include "CommonConverters.hxx"
  23 #include <algorithm>
  24
  25 using namespace ::com::sun::star;
  26
  27 using ::com::sun::star::uno::Sequence;
  28 using ::com::sun::star::uno::RuntimeException;
  29
  30 namespace chart
  31 {
  32
  33 VPolarTransformation::VPolarTransformation( const PolarPlottingPositionHelper& rPositionHelper )
  34         : m_aPositionHelper(rPositionHelper)
  35         , m_aUnitCartesianToScene( rPositionHelper.getUnitCartesianToScene() )
  36 {
  37 }
  38
  39 VPolarTransformation::~VPolarTransformation()
  40 {
  41 }
  42
  43 // ____ XTransformation ____
  44 Sequence< double > SAL_CALL VPolarTransformation::transform(
  45                         const Sequence< double >& rSourceValues )
  46     throw (RuntimeException,
  47            lang::IllegalArgumentException, std::exception)
  48 {
  49     double fScaledLogicAngle  = rSourceValues[0];
  50     double fScaledLogicRadius = rSourceValues[1];
  51
  52     if( m_aPositionHelper.isSwapXAndY() )
  53         std::swap(fScaledLogicAngle,fScaledLogicRadius);
  54
  55     double fAngleDegree = m_aPositionHelper.transformToAngleDegree( fScaledLogicAngle, false );
  56     double fAnglePi     = fAngleDegree*F_PI/180.0;
  57     double fRadius      = m_aPositionHelper.transformToRadius( fScaledLogicRadius, false);
  58
  59     double fX=fRadius*cos(fAnglePi);
  60     double fY=fRadius*sin(fAnglePi);
  61     double fZ=rSourceValues[2];
  62
  63     //!! applying matrix to vector does ignore translation, so it is important to use a B3DPoint here instead of B3DVector
  64     ::basegfx::B3DPoint aPoint(fX,fY,fZ);
  65     ::basegfx::B3DPoint aRet = m_aUnitCartesianToScene * aPoint;
  66     return B3DPointToSequence(aRet);
  67 }
  68
  69 sal_Int32 SAL_CALL VPolarTransformation::getSourceDimension()
  70     throw (RuntimeException, std::exception)
  71 {
  72     return 3;
  73 }
  74
  75 sal_Int32 SAL_CALL VPolarTransformation::getTargetDimension()
  76     throw (RuntimeException, std::exception)
  77 {
  78     return 3;
  79 }
  80
  81 }  // namespace chart
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */