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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 <basegfx/point/b3dpoint.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/numeric/ftools.hxx>
namespace basegfx
{
B3DPoint& B3DPoint::operator*=( const ::basegfx::B3DHomMatrix& rMat )
{
double fTempX(
rMat.get(0, 0) * mfX +
rMat.get(0, 1) * mfY +
rMat.get(0, 2) * mfZ +
rMat.get(0, 3));
double fTempY(
rMat.get(1, 0) * mfX +
rMat.get(1, 1) * mfY +
rMat.get(1, 2) * mfZ +
rMat.get(1, 3));
double fTempZ(
rMat.get(2, 0) * mfX +
rMat.get(2, 1) * mfY +
rMat.get(2, 2) * mfZ +
rMat.get(2, 3));
if(!rMat.isLastLineDefault())
{
const double fOne(1.0);
const double fTempM(
rMat.get(3, 0) * mfX +
rMat.get(3, 1) * mfY +
rMat.get(3, 2) * mfZ +
rMat.get(3, 3));
if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
{
fTempX /= fTempM;
fTempY /= fTempM;
fTempZ /= fTempM;
}
}
mfX = fTempX;
mfY = fTempY;
mfZ = fTempZ;
return *this;
}
B3DPoint operator*( const ::basegfx::B3DHomMatrix& rMat, const B3DPoint& rPoint )
{
B3DPoint aRes( rPoint );
aRes *= rMat;
return aRes;
}
} // end of namespace basegfx
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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