/* -*- 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 <drawinglayer/primitive3d/baseprimitive3d.hxx>

#include <drawinglayer/geometry/viewinformation3d.hxx>

#include <basegfx/utils/canvastools.hxx>

#include <comphelper/sequence.hxx>

using namespace com::sun::star;

namespace drawinglayer::primitive3d

{

        BasePrimitive3D::BasePrimitive3D()

        {

        }

        BasePrimitive3D::~BasePrimitive3D()

        {

        }

        bool BasePrimitive3D::operator==( const BasePrimitive3D& rPrimitive ) const

        {

            return (getPrimitive3DID() == rPrimitive.getPrimitive3DID());

        }

        basegfx::B3DRange BasePrimitive3D::getB3DRange(const geometry::ViewInformation3D& rViewInformation) const

        {

            return get3DDecomposition(rViewInformation).getB3DRange(rViewInformation);

        }

        Primitive3DContainer BasePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const

        {

            return Primitive3DContainer();

        }

        css::uno::Sequence< ::css::uno::Reference< ::css::graphic::XPrimitive3D > > SAL_CALL BasePrimitive3D::getDecomposition( const uno::Sequence< beans::PropertyValue >& rViewParameters )

        {

            const geometry::ViewInformation3D aViewInformation(rViewParameters);

            return comphelper::containerToSequence(get3DDecomposition(aViewInformation));

        }

        css::geometry::RealRectangle3D SAL_CALL BasePrimitive3D::getRange( const uno::Sequence< beans::PropertyValue >& rViewParameters )

        {

            const geometry::ViewInformation3D aViewInformation(rViewParameters);

            return basegfx::unotools::rectangle3DFromB3DRectangle(getB3DRange(aViewInformation));

        }

        Primitive3DContainer BufferedDecompositionPrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const

        {

            return Primitive3DContainer();

        }

        BufferedDecompositionPrimitive3D::BufferedDecompositionPrimitive3D()

        {

        }

        Primitive3DContainer BufferedDecompositionPrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const

        {

            std::unique_lock aGuard( m_aMutex );

            if(getBuffered3DDecomposition().empty())

            {

                const Primitive3DContainer aNewSequence(create3DDecomposition(rViewInformation));

                const_cast< BufferedDecompositionPrimitive3D* >(this)->setBuffered3DDecomposition(aNewSequence);

            }

            return getBuffered3DDecomposition();

        }

// tooling

        // get range3D from a given Primitive3DReference

        basegfx::B3DRange getB3DRangeFromPrimitive3DReference(const Primitive3DReference& rCandidate, const geometry::ViewInformation3D& aViewInformation)

        {

            basegfx::B3DRange aRetval;

            if(rCandidate.is())

            {

                const BasePrimitive3D* pCandidate(static_cast< BasePrimitive3D* >(rCandidate.get()));

                aRetval.expand(pCandidate->getB3DRange(aViewInformation));

            }

            return aRetval;

        }

        // get range3D from a given Primitive3DContainer

        basegfx::B3DRange Primitive3DContainer::getB3DRange(const geometry::ViewInformation3D& aViewInformation) const

        {

            basegfx::B3DRange aRetval;

            if(!empty())

            {

                const size_t nCount(size());

                for(size_t a(0); a < nCount; a++)

                {

                    aRetval.expand(getB3DRangeFromPrimitive3DReference((*this)[a], aViewInformation));

                }

            }

            return aRetval;

        }

        bool arePrimitive3DReferencesEqual(const Primitive3DReference& rxA, const Primitive3DReference& rxB)

        {

            const bool bAIs(rxA.is());

            if(bAIs != rxB.is())

            {

                return false;

            }

            if(!bAIs)

            {

                return true;

            }

            const BasePrimitive3D* pA(static_cast< const BasePrimitive3D* >(rxA.get()));

            const BasePrimitive3D* pB(static_cast< const BasePrimitive3D* >(rxB.get()));

            return pA->operator==(*pB);

        }

        bool Primitive3DContainer::operator==(const Primitive3DContainer& rB) const

        {

            const bool bAHasElements(!empty());

            if(bAHasElements != !rB.empty())

            {

                return false;

            }

            if(!bAHasElements)

            {

                return true;

            }

            const size_t nCount(size());

            if(nCount != rB.size())

            {

                return false;

            }

            for(size_t a(0); a < nCount; a++)

            {

                if(!arePrimitive3DReferencesEqual((*this)[a], rB[a]))

                {

                    return false;

                }

            }

            return true;

        }

        void Primitive3DContainer::append(const Primitive3DContainer& rSource)

        {

            insert(end(), rSource.begin(), rSource.end());

        }

} // end of namespace

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