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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: b3dpoint.cxx,v $
* $Revision: 1.9 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basegfx.hxx"
#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 );
return aRes *= rMat;
}
} // end of namespace basegfx
// eof
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