/* -*- 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/polygon/b2dpolypolygon.hxx>

#include <algorithm>

#include <vector>

namespace basegfx

{

    class ImplB2DPolyRange

    {

    public:

        ImplB2DPolyRange()

        {}

        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 std::make_tuple(maRanges[nIndex], maOrient[nIndex]);

        }

        void appendElement(const B2DRange& rRange, B2VectorOrientation eOrient)

        {

            maRanges.push_back(rRange);

            maOrient.push_back(eOrient);

            maBounds.expand(rRange);

        }

        void clear()

        {

            std::vector<B2DRange>().swap(maRanges);

            std::vector<B2VectorOrientation>().swap(maOrient);

            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::any_of( maRanges.begin(),

                                 aEnd,

                                 [&rRange](const B2DRange& aRange) { return aRange.overlaps(rRange); } );

        }

        B2DPolyPolygon solveCrossovers() const

        {

            return utils::solveCrossovers(maRanges,maOrient);

        }

        void transform(const basegfx::B2DHomMatrix& rTranslate)

        {

            maBounds.transform(rTranslate);

            for (auto &a : maRanges)

                a.transform(rTranslate);

        }

    private:

        B2DRange                         maBounds;

        std::vector<B2DRange>            maRanges;

        std::vector<B2VectorOrientation> maOrient;

    };

    B2DPolyRange::B2DPolyRange() = default;

    B2DPolyRange::~B2DPolyRange() = default;

    B2DPolyRange::B2DPolyRange( const B2DPolyRange& ) = default;

    B2DPolyRange& B2DPolyRange::operator=( const B2DPolyRange& ) = default;

    bool B2DPolyRange::operator==(const B2DPolyRange& rRange) const

    {

        if(mpImpl.same_object(rRange.mpImpl))

            return true;

        return ((*mpImpl) == (*rRange.mpImpl));

    }

    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)

    {

        mpImpl->appendElement(rRange, eOrient);

    }

    void B2DPolyRange::clear()

    {

        mpImpl->clear();

    }

    bool B2DPolyRange::overlaps( const B2DRange& rRange ) const

    {

        return mpImpl->overlaps(rRange);

    }

    void B2DPolyRange::transform(const basegfx::B2DHomMatrix& rTranslate)

    {

        mpImpl->transform(rTranslate);

    }

    B2DPolyPolygon B2DPolyRange::solveCrossovers() const

    {

        return mpImpl->solveCrossovers();

    }

} // end of namespace basegfx

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */