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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   9  * This file incorporates work covered by the following license notice:
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  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
  22 using namespace ::com::sun::star;
  23
  24 using ::com::sun::star::uno::Sequence;
  25
  26 namespace chart
  27 {
  28
  29 VPolarTransformation::VPolarTransformation( const PolarPlottingPositionHelper& rPositionHelper )
  30         : m_aPositionHelper(rPositionHelper)
  31         , m_aUnitCartesianToScene( rPositionHelper.getUnitCartesianToScene() )
  32 {
  33 }
  34
  35 VPolarTransformation::~VPolarTransformation()
  36 {
  37 }
  38
  39 // ____ XTransformation2 ____
  40 css::drawing::Position3D VPolarTransformation::transform(
  41                         const Sequence< double >& rSourceValues ) const
  42 {
  43     double fScaledLogicAngle  = rSourceValues[0];
  44     double fScaledLogicRadius = rSourceValues[1];
  45
  46     if( m_aPositionHelper.isSwapXAndY() )
  47         std::swap(fScaledLogicAngle,fScaledLogicRadius);
  48
  49     double fAngleDegree = m_aPositionHelper.transformToAngleDegree( fScaledLogicAngle, false );
  50     double fAnglePi     = basegfx::deg2rad(fAngleDegree);
  51     double fRadius      = m_aPositionHelper.transformToRadius( fScaledLogicRadius, false);
  52
  53     double fX=fRadius*cos(fAnglePi);
  54     double fY=fRadius*sin(fAnglePi);
  55     double fZ=rSourceValues[2];
  56
  57     //!! applying matrix to vector does ignore translation, so it is important to use a B3DPoint here instead of B3DVector
  58     ::basegfx::B3DPoint aPoint(fX,fY,fZ);
  59     ::basegfx::B3DPoint aRet = m_aUnitCartesianToScene * aPoint;
  60     return css::drawing::Position3D(aRet.getX(), aRet.getY(), aRet.getZ());
  61 }
  62
  63 css::drawing::Position3D VPolarTransformation::transform(
  64                         const css::drawing::Position3D& rSourceValues ) const
  65 {
  66     double fScaledLogicAngle  = rSourceValues.PositionX;
  67     double fScaledLogicRadius = rSourceValues.PositionY;
  68
  69     if( m_aPositionHelper.isSwapXAndY() )
  70         std::swap(fScaledLogicAngle,fScaledLogicRadius);
  71
  72     double fAngleDegree = m_aPositionHelper.transformToAngleDegree( fScaledLogicAngle, false );
  73     double fAnglePi     = basegfx::deg2rad(fAngleDegree);
  74     double fRadius      = m_aPositionHelper.transformToRadius( fScaledLogicRadius, false);
  75
  76     double fX=fRadius*cos(fAnglePi);
  77     double fY=fRadius*sin(fAnglePi);
  78     double fZ=rSourceValues.PositionZ;
  79
  80     //!! applying matrix to vector does ignore translation, so it is important to use a B3DPoint here instead of B3DVector
  81     ::basegfx::B3DPoint aPoint(fX,fY,fZ);
  82     ::basegfx::B3DPoint aRet = m_aUnitCartesianToScene * aPoint;
  83     return css::drawing::Position3D(aRet.getX(), aRet.getY(), aRet.getZ());
  84 }
  85
  86 }  // namespace chart
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */