xref: /aoo41x/main/chart2/source/view/main/VPolarTransformation.cxx (revision cde9e8dc)

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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_chart2.hxx"

#include "VPolarTransformation.hxx"
#include "ViewDefines.hxx"
#include "CommonConverters.hxx"
#include <algorithm>

using namespace ::com::sun::star;

using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::RuntimeException;

namespace chart
{


VPolarTransformation::VPolarTransformation( const PolarPlottingPositionHelper& rPositionHelper )
        : m_aPositionHelper(rPositionHelper)
        , m_aUnitCartesianToScene( rPositionHelper.getUnitCartesianToScene() )
{
}

VPolarTransformation::~VPolarTransformation()
{
}

// ____ XTransformation ____
Sequence< double > SAL_CALL VPolarTransformation::transform(
                        const Sequence< double >& rSourceValues )
    throw (RuntimeException,
           lang::IllegalArgumentException)
{
    double fScaledLogicAngle  = rSourceValues[0];
    double fScaledLogicRadius = rSourceValues[1];

    if( m_aPositionHelper.isSwapXAndY() )
        std::swap(fScaledLogicAngle,fScaledLogicRadius);

    double fAngleDegree = m_aPositionHelper.transformToAngleDegree( fScaledLogicAngle, false );
    double fAnglePi     = fAngleDegree*F_PI/180.0;
    double fRadius      = m_aPositionHelper.transformToRadius( fScaledLogicRadius, false);

    double fX=fRadius*cos(fAnglePi);
    double fY=fRadius*sin(fAnglePi);
    double fZ=rSourceValues[2];

    //!! applying matrix to vector does ignore translation, so it is important to use a B3DPoint here instead of B3DVector
    ::basegfx::B3DPoint aPoint(fX,fY,fZ);
    ::basegfx::B3DPoint aRet = m_aUnitCartesianToScene * aPoint;
    return B3DPointToSequence(aRet);
}

sal_Int32 SAL_CALL VPolarTransformation::getSourceDimension()
    throw (RuntimeException)
{
    return 3;
}

sal_Int32 SAL_CALL VPolarTransformation::getTargetDimension()
    throw (RuntimeException)
{
    return 3;
}


}  // namespace chart