66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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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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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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