office-gobmx/basegfx/source/point/b3dpoint.cxx
Sebastian Spaeth 4905a19032 Add vim/emacs modelines to all source files
Fixes #fdo30794
Based on bin/add-modelines script (originally posted in mail
1286706307.1871.1399280959@webmail.messagingengine.com)

Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
2010-10-14 17:02:15 +02:00

88 lines
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// 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
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */