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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/range/b2dpolyrange.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/range/b2drangeclipper.hxx>
#include <basegfx/tuple/b2dtuple.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <boost/bind.hpp>
#include <boost/tuple/tuple.hpp>
#include <algorithm>
#include <vector>
namespace basegfx
{
class ImplB2DPolyRange
{
void updateBounds()
{
maBounds.reset();
std::for_each(maRanges.begin(),
maRanges.end(),
boost::bind(
(void (B2DRange::*)(const B2DRange&))(
&B2DRange::expand),
boost::ref(maBounds),
_1));
}
public:
ImplB2DPolyRange() :
maBounds(),
maRanges(),
maOrient()
{}
explicit ImplB2DPolyRange( const B2DRange& rRange, B2VectorOrientation eOrient ) :
maBounds( rRange ),
maRanges( 1, rRange ),
maOrient( 1, eOrient )
{}
bool operator==(const ImplB2DPolyRange& rRHS) const
{
return maRanges == rRHS.maRanges && maOrient == rRHS.maOrient;
}
sal_uInt32 count() const
{
return maRanges.size();
}
B2DPolyRange::ElementType getElement(sal_uInt32 nIndex) const
{
return boost::make_tuple(maRanges[nIndex],
maOrient[nIndex]);
}
void appendElement(const B2DRange& rRange, B2VectorOrientation eOrient, sal_uInt32 nCount)
{
maRanges.insert(maRanges.end(), nCount, rRange);
maOrient.insert(maOrient.end(), nCount, eOrient);
maBounds.expand(rRange);
}
void clear()
{
std::vector<B2DRange> aTmpRanges;
std::vector<B2VectorOrientation> aTmpOrient;
maRanges.swap(aTmpRanges);
maOrient.swap(aTmpOrient);
maBounds.reset();
}
bool overlaps( const B2DRange& rRange ) const
{
if( !maBounds.overlaps( rRange ) )
return false;
const std::vector<B2DRange>::const_iterator aEnd( maRanges.end() );
return std::find_if( maRanges.begin(),
aEnd,
boost::bind<bool>( boost::mem_fn( &B2DRange::overlaps ),
_1,
boost::cref(rRange) ) ) != aEnd;
}
B2DPolyPolygon solveCrossovers() const
{
return tools::solveCrossovers(maRanges,maOrient);
}
private:
B2DRange maBounds;
std::vector<B2DRange> maRanges;
std::vector<B2VectorOrientation> maOrient;
};
B2DPolyRange::B2DPolyRange() :
mpImpl()
{}
B2DPolyRange::~B2DPolyRange()
{}
B2DPolyRange::B2DPolyRange( const B2DPolyRange& rRange ) :
mpImpl( rRange.mpImpl )
{}
B2DPolyRange& B2DPolyRange::operator=( const B2DPolyRange& rRange )
{
mpImpl = rRange.mpImpl;
return *this;
}
bool B2DPolyRange::operator==(const B2DPolyRange& rRange) const
{
if(mpImpl.same_object(rRange.mpImpl))
return true;
return ((*mpImpl) == (*rRange.mpImpl));
}
bool B2DPolyRange::operator!=(const B2DPolyRange& rRange) const
{
return !(*this == rRange);
}
sal_uInt32 B2DPolyRange::count() const
{
return mpImpl->count();
}
B2DPolyRange::ElementType B2DPolyRange::getElement(sal_uInt32 nIndex) const
{
return mpImpl->getElement(nIndex);
}
void B2DPolyRange::appendElement(const B2DRange& rRange, B2VectorOrientation eOrient, sal_uInt32 nCount)
{
mpImpl->appendElement(rRange, eOrient, nCount );
}
void B2DPolyRange::clear()
{
mpImpl->clear();
}
bool B2DPolyRange::overlaps( const B2DRange& rRange ) const
{
return mpImpl->overlaps(rRange);
}
B2DPolyPolygon B2DPolyRange::solveCrossovers() const
{
return mpImpl->solveCrossovers();
}
} // end of namespace basegfx
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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