/* -*- 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 .

 */

#pragma once

#include <drawinglayer/drawinglayerdllapi.h>

#include <basegfx/polygon/b3dpolypolygon.hxx>

#include <basegfx/polygon/b2dpolypolygontools.hxx>

#include <vector>

// predefines

namespace drawinglayer::geometry {

    class ViewInformation3D;

}

namespace drawinglayer::primitive3d

    {

        /** SliceType3D definition */

        enum SliceType3D

        {

            SLICETYPE3D_REGULAR,        // normal geometry Slice3D

            SLICETYPE3D_FRONTCAP,       // front cap

            SLICETYPE3D_BACKCAP         // back cap

        };

        /// class to hold one Slice3D

        class DRAWINGLAYER_DLLPUBLIC Slice3D final

        {

            basegfx::B3DPolyPolygon                 maPolyPolygon;

            SliceType3D                             maSliceType;

        public:

            Slice3D(

                const basegfx::B2DPolyPolygon& rPolyPolygon,

                const basegfx::B3DHomMatrix& aTransform,

                SliceType3D aSliceType = SLICETYPE3D_REGULAR)

            :   maPolyPolygon(basegfx::utils::createB3DPolyPolygonFromB2DPolyPolygon(rPolyPolygon)),

                maSliceType(aSliceType)

            {

                maPolyPolygon.transform(aTransform);

            }

            // data access

            const basegfx::B3DPolyPolygon& getB3DPolyPolygon() const { return maPolyPolygon; }

            SliceType3D getSliceType() const { return maSliceType; }

        };

        /// typedef for a group of Slice3Ds

        typedef ::std::vector< Slice3D > Slice3DVector;

        /// helpers for creation

        void DRAWINGLAYER_DLLPUBLIC createLatheSlices(

            Slice3DVector& rSliceVector,

            const basegfx::B2DPolyPolygon& rSource,

            double fBackScale,

            double fDiagonal,

            double fRotation,

            sal_uInt32 nSteps,

            bool bCharacterMode,

            bool bCloseFront,

            bool bCloseBack);

        void DRAWINGLAYER_DLLPUBLIC createExtrudeSlices(

            Slice3DVector& rSliceVector,

            const basegfx::B2DPolyPolygon& rSource,

            double fBackScale,

            double fDiagonal,

            double fDepth,

            bool bCharacterMode,

            bool bCloseFront,

            bool bCloseBack);

        /// helpers for geometry extraction

        basegfx::B3DPolyPolygon DRAWINGLAYER_DLLPUBLIC extractHorizontalLinesFromSlice(const Slice3DVector& rSliceVector, bool bCloseHorLines);

        basegfx::B3DPolyPolygon DRAWINGLAYER_DLLPUBLIC extractVerticalLinesFromSlice(const Slice3DVector& rSliceVector);

        void DRAWINGLAYER_DLLPUBLIC extractPlanesFromSlice(

            ::std::vector< basegfx::B3DPolyPolygon >& rFill,

            const Slice3DVector& rSliceVector,

            bool bCreateNormals,

            bool bSmoothNormals,

            bool bSmoothLids,

            bool bClosed,

            double fSmoothNormalsMix,

            double fSmoothLidsMix,

            bool bCreateTextureCoordinates,

            const basegfx::B2DHomMatrix& rTexTransform);

        void DRAWINGLAYER_DLLPUBLIC createReducedOutlines(

            const geometry::ViewInformation3D& rViewInformation,

            const basegfx::B3DHomMatrix& rObjectTransform,

            const basegfx::B3DPolygon& rLoopA,

            const basegfx::B3DPolygon& rLoopB,

            basegfx::B3DPolyPolygon& rTarget);

} // end of namespace drawinglayer::overlay

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