chart2/source/view/main/VPolarTransformation.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_chart2.hxx"
  33
  34 #include "VPolarTransformation.hxx"
  35 #include "ViewDefines.hxx"
  36 #include "CommonConverters.hxx"
  37 #include <algorithm>
  38
  39 using namespace ::com::sun::star;
  40
  41 using ::com::sun::star::uno::Sequence;
  42 using ::com::sun::star::uno::RuntimeException;
  43
  44 namespace chart
  45 {
  46
  47
  48 VPolarTransformation::VPolarTransformation( const PolarPlottingPositionHelper& rPositionHelper )
  49         : m_aPositionHelper(rPositionHelper)
  50         , m_aUnitCartesianToScene( rPositionHelper.getUnitCartesianToScene() )
  51 {
  52 }
  53
  54 VPolarTransformation::~VPolarTransformation()
  55 {
  56 }
  57
  58 // ____ XTransformation ____
  59 Sequence< double > SAL_CALL VPolarTransformation::transform(
  60                         const Sequence< double >& rSourceValues )
  61     throw (RuntimeException,
  62            lang::IllegalArgumentException)
  63 {
  64     double fScaledLogicAngle  = rSourceValues[0];
  65     double fScaledLogicRadius = rSourceValues[1];
  66
  67     if( m_aPositionHelper.isSwapXAndY() )
  68         std::swap(fScaledLogicAngle,fScaledLogicRadius);
  69
  70     double fAngleDegree = m_aPositionHelper.transformToAngleDegree( fScaledLogicAngle, false );
  71     double fAnglePi     = fAngleDegree*F_PI/180.0;
  72     double fRadius      = m_aPositionHelper.transformToRadius( fScaledLogicRadius, false);
  73
  74     double fX=fRadius*cos(fAnglePi);
  75     double fY=fRadius*sin(fAnglePi);
  76     double fZ=rSourceValues[2];
  77
  78     //!! applying matrix to vector does ignore translation, so it is important to use a B3DPoint here instead of B3DVector
  79     ::basegfx::B3DPoint aPoint(fX,fY,fZ);
  80     ::basegfx::B3DPoint aRet = m_aUnitCartesianToScene * aPoint;
  81     return B3DPointToSequence(aRet);
  82 }
  83
  84 sal_Int32 SAL_CALL VPolarTransformation::getSourceDimension()
  85     throw (RuntimeException)
  86 {
  87     return 3;
  88 }
  89
  90 sal_Int32 SAL_CALL VPolarTransformation::getTargetDimension()
  91     throw (RuntimeException)
  92 {
  93     return 3;
  94 }
  95
  96
  97 }  // namespace chart