/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

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 * 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

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 */

#pragma once

#include <drawinglayer/primitive3d/groupprimitive3d.hxx>

#include <basegfx/matrix/b2dhommatrix.hxx>

#include <basegfx/color/bcolor.hxx>

namespace drawinglayer::primitive3d

    {

        /** ShadowPrimitive3D class

            This 3D grouping primitive is used to define a shadow for

            3d geometry by embedding it. The shadow of 3D objects are

            2D polygons, so the shadow transformation is a 2D transformation.

            If the Shadow3D flag is set, the shadow definition has to be

            combined with the scene and camera definition to create the correct

            projected shadow 2D-Polygons.

         */

        class ShadowPrimitive3D final : public GroupPrimitive3D

        {

            /// 2D shadow definition

            basegfx::B2DHomMatrix                   maShadowTransform;

            basegfx::BColor                         maShadowColor;

            double                                  mfShadowTransparence;

            bool                                    mbShadow3D : 1;

        public:

            /// constructor

            ShadowPrimitive3D(

                basegfx::B2DHomMatrix aShadowTransform,

                const basegfx::BColor& rShadowColor,

                double fShadowTransparence,

                bool bShadow3D,

                const Primitive3DContainer& rChildren);

            /// data read access

            const basegfx::B2DHomMatrix& getShadowTransform() const { return maShadowTransform; }

            const basegfx::BColor& getShadowColor() const { return maShadowColor; }

            double getShadowTransparence() const { return mfShadowTransparence; }

            bool getShadow3D() const { return mbShadow3D; }

            /// compare operator

            virtual bool operator==(const BasePrimitive3D& rPrimitive) const override;

            /// provide unique ID

            DeclPrimitive3DIDBlock()

        };

} // end of namespace drawinglayer::primitive3d

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