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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* 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
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <Linear3DTransformation.hxx>
using namespace ::com::sun::star;
using ::com::sun::star::uno::Sequence;
namespace chart
{
Linear3DTransformation::Linear3DTransformation( const drawing::HomogenMatrix& rHomMatrix, bool bSwapXAndY )
: m_Matrix(rHomMatrix)
, m_bSwapXAndY(bSwapXAndY)
{}
Linear3DTransformation::~Linear3DTransformation()
{}
// ____ XTransformation ____
Sequence< double > SAL_CALL Linear3DTransformation::transform(
const Sequence< double >& rSourceValues )
{
double fX = rSourceValues[0];
double fY = rSourceValues[1];
double fZ = rSourceValues[2];
if(m_bSwapXAndY)
std::swap(fX,fY);
Sequence< double > aNewVec(3);
double fZwi;
fZwi = m_Matrix.Line1.Column1 * fX
+ m_Matrix.Line1.Column2 * fY
+ m_Matrix.Line1.Column3 * fZ
+ m_Matrix.Line1.Column4;
aNewVec[0] = fZwi;
fZwi = m_Matrix.Line2.Column1 * fX
+ m_Matrix.Line2.Column2 * fY
+ m_Matrix.Line2.Column3 * fZ
+ m_Matrix.Line2.Column4;
aNewVec[1] = fZwi;
fZwi = m_Matrix.Line3.Column1 * fX
+ m_Matrix.Line3.Column2 * fY
+ m_Matrix.Line3.Column3 * fZ
+ m_Matrix.Line3.Column4;
aNewVec[2] = fZwi;
fZwi = m_Matrix.Line4.Column1 * fX
+ m_Matrix.Line4.Column2 * fY
+ m_Matrix.Line4.Column3 * fZ
+ m_Matrix.Line4.Column4;
if(fZwi != 1.0 && fZwi != 0.0)
{
aNewVec[0] /= fZwi;
aNewVec[1] /= fZwi;
aNewVec[2] /= fZwi;
}
return aNewVec;
}
sal_Int32 SAL_CALL Linear3DTransformation::getSourceDimension()
{
return 3;
}
sal_Int32 SAL_CALL Linear3DTransformation::getTargetDimension()
{
return 3;
}
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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