/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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 *   ownership. The ASF licenses this file to you under the Apache
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 */

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

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

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

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 )
{
    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     = basegfx::deg2rad(fAngleDegree);
    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()
{
    return 3;
}

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

}  // namespace chart

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