77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <basegfx/point/b2ipoint.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/numeric/ftools.hxx>
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namespace basegfx
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{
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B2IPoint& B2IPoint::operator=( const ::basegfx::B2ITuple& rPoint )
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{
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mnX = rPoint.getX();
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mnY = rPoint.getY();
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return *this;
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}
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B2IPoint& B2IPoint::operator*=( const ::basegfx::B2DHomMatrix& rMat )
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{
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double fTempX(
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rMat.get(0, 0) * mnX +
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rMat.get(0, 1) * mnY +
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rMat.get(0, 2));
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double fTempY(
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rMat.get(1, 0) * mnX +
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rMat.get(1, 1) * mnY +
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rMat.get(1, 2));
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if(!rMat.isLastLineDefault())
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{
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const double fOne(1.0);
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const double fTempM(
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rMat.get(2, 0) * mnX +
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rMat.get(2, 1) * mnY +
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rMat.get(2, 2));
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if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
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{
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fTempX /= fTempM;
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fTempY /= fTempM;
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}
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}
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mnX = fround(fTempX);
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mnY = fround(fTempY);
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return *this;
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}
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} // end of namespace basegfx
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// eof
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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