forked from amazingfate/loongoffice
99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "Linear3DTransformation.hxx"
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#include <algorithm>
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using namespace ::com::sun::star;
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using ::com::sun::star::uno::Sequence;
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using ::com::sun::star::uno::RuntimeException;
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namespace chart
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{
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Linear3DTransformation::Linear3DTransformation( const drawing::HomogenMatrix& rHomMatrix, bool bSwapXAndY )
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: m_Matrix(rHomMatrix)
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, m_bSwapXAndY(bSwapXAndY)
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{}
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Linear3DTransformation::~Linear3DTransformation()
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{}
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// ____ XTransformation ____
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Sequence< double > SAL_CALL Linear3DTransformation::transform(
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const Sequence< double >& rSourceValues )
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throw (RuntimeException,
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lang::IllegalArgumentException, std::exception)
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{
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double fX = rSourceValues[0];
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double fY = rSourceValues[1];
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double fZ = rSourceValues[2];
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if(m_bSwapXAndY)
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std::swap(fX,fY);
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Sequence< double > aNewVec(3);
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double fZwi;
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fZwi = m_Matrix.Line1.Column1 * fX
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+ m_Matrix.Line1.Column2 * fY
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+ m_Matrix.Line1.Column3 * fZ
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+ m_Matrix.Line1.Column4;
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aNewVec[0] = fZwi;
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fZwi = m_Matrix.Line2.Column1 * fX
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+ m_Matrix.Line2.Column2 * fY
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+ m_Matrix.Line2.Column3 * fZ
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+ m_Matrix.Line2.Column4;
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aNewVec[1] = fZwi;
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fZwi = m_Matrix.Line3.Column1 * fX
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+ m_Matrix.Line3.Column2 * fY
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+ m_Matrix.Line3.Column3 * fZ
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+ m_Matrix.Line3.Column4;
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aNewVec[2] = fZwi;
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fZwi = m_Matrix.Line4.Column1 * fX
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+ m_Matrix.Line4.Column2 * fY
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+ m_Matrix.Line4.Column3 * fZ
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+ m_Matrix.Line4.Column4;
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if(fZwi != 1.0 && fZwi != 0.0)
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{
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aNewVec[0] /= fZwi;
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aNewVec[1] /= fZwi;
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aNewVec[2] /= fZwi;
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}
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return aNewVec;
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}
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sal_Int32 SAL_CALL Linear3DTransformation::getSourceDimension()
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throw (RuntimeException, std::exception)
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{
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return 3;
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}
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sal_Int32 SAL_CALL Linear3DTransformation::getTargetDimension()
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throw (RuntimeException, std::exception)
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{
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return 3;
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}
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} // namespace chart
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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