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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <basegfx/vector/b2ivector.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/numeric/ftools.hxx>
namespace basegfx
{
B2IVector& B2IVector::operator=( const ::basegfx::B2ITuple& rVec )
{
mnX = rVec.getX();
mnY = rVec.getY();
return *this;
}
B2IVector& B2IVector::operator*=( const B2DHomMatrix& rMat )
{
mnX = fround( rMat.get(0,0)*mnX +
rMat.get(0,1)*mnY );
mnY = fround( rMat.get(1,0)*mnX +
rMat.get(1,1)*mnY );
return *this;
}
B2IVector& B2IVector::setLength(double fLen)
{
double fLenNow(scalar(*this));
if(!::basegfx::fTools::equalZero(fLenNow))
{
const double fOne(1.0);
if(!::basegfx::fTools::equal(fOne, fLenNow))
{
fLen /= sqrt(fLenNow);
}
mnX = fround( mnX*fLen );
mnY = fround( mnY*fLen );
}
return *this;
}
B2IVector operator*( const B2DHomMatrix& rMat, const B2IVector& rVec )
{
B2IVector aRes( rVec );
return aRes*=rMat;
}
} // end of namespace basegfx
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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