diff options
Diffstat (limited to 'basegfx/source/point/b2dpoint.cxx')
-rw-r--r-- | basegfx/source/point/b2dpoint.cxx | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/basegfx/source/point/b2dpoint.cxx b/basegfx/source/point/b2dpoint.cxx new file mode 100644 index 000000000000..fbc14a082318 --- /dev/null +++ b/basegfx/source/point/b2dpoint.cxx @@ -0,0 +1,88 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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/b2dpoint.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/numeric/ftools.hxx> + +////////////////////////////////////////////////////////////////////////////// + +namespace basegfx +{ + B2DPoint& B2DPoint::operator=( const ::basegfx::B2DTuple& rPoint ) + { + mfX = rPoint.getX(); + mfY = rPoint.getY(); + return *this; + } + + B2DPoint& B2DPoint::operator*=( const ::basegfx::B2DHomMatrix& rMat ) + { + double fTempX( + rMat.get(0, 0) * mfX + + rMat.get(0, 1) * mfY + + rMat.get(0, 2)); + double fTempY( + rMat.get(1, 0) * mfX + + rMat.get(1, 1) * mfY + + rMat.get(1, 2)); + + if(!rMat.isLastLineDefault()) + { + const double fOne(1.0); + const double fTempM( + rMat.get(2, 0) * mfX + + rMat.get(2, 1) * mfY + + rMat.get(2, 2)); + + if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM)) + { + fTempX /= fTempM; + fTempY /= fTempM; + } + } + + mfX = fTempX; + mfY = fTempY; + + return *this; + } + + B2DPoint operator*( const ::basegfx::B2DHomMatrix& rMat, const B2DPoint& rPoint ) + { + B2DPoint aRes( rPoint ); + return aRes *= rMat; + } +} // end of namespace basegfx + +////////////////////////////////////////////////////////////////////////////// +// eof + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |