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

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 * 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 <sdr/contact/viewcontactofe3dlathe.hxx>

#include <svx/lathe3d.hxx>

#include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>

#include <sdr/primitive2d/sdrattributecreator.hxx>

#include <sdr/primitive3d/sdrattributecreator3d.hxx>

#include <basegfx/polygon/b2dpolygontools.hxx>

namespace sdr::contact

{

        ViewContactOfE3dLathe::ViewContactOfE3dLathe(E3dLatheObj& rLathe)

        :   ViewContactOfE3d(rLathe)

        {

        }

        ViewContactOfE3dLathe::~ViewContactOfE3dLathe()

        {

        }

        drawinglayer::primitive3d::Primitive3DContainer ViewContactOfE3dLathe::createViewIndependentPrimitive3DContainer() const

        {

            drawinglayer::primitive3d::Primitive3DContainer xRetval;

            const SfxItemSet& rItemSet = GetE3dLatheObj().GetMergedItemSet();

            const drawinglayer::attribute::SdrLineFillShadowAttribute3D aAttribute(

                drawinglayer::primitive2d::createNewSdrLineFillShadowAttribute(rItemSet, false));

            // get extrude geometry

            basegfx::B2DPolyPolygon aPolyPolygon(GetE3dLatheObj().GetPolyPoly2D());

            // get 3D Object Attributes

            drawinglayer::attribute::Sdr3DObjectAttribute aSdr3DObjectAttribute(drawinglayer::primitive2d::createNewSdr3DObjectAttribute(rItemSet));

            // calculate texture size. Use the polygon length of the longest polygon for

            // height and the rotated radius for width (using polygon center) to get a good

            // texture mapping

            double fPolygonMaxLength(0.0);

            for(auto const& rCandidate : aPolyPolygon)

            {

                const double fPolygonLength(basegfx::utils::getLength(rCandidate));

                fPolygonMaxLength = std::max(fPolygonMaxLength, fPolygonLength);

            }

            const basegfx::B2DRange aPolyPolygonRange(aPolyPolygon.getB2DRange());

            const basegfx::B2DVector aTextureSize(

                M_PI * fabs(aPolyPolygonRange.getCenter().getX()), // PI * d

                fPolygonMaxLength);

            // get more data

            const sal_uInt32 nHorizontalSegments(GetE3dLatheObj().GetHorizontalSegments());

            const sal_uInt32 nVerticalSegments(GetE3dLatheObj().GetVerticalSegments());

            const double fDiagonal(static_cast<double>(GetE3dLatheObj().GetPercentDiagonal()) / 100.0);

            const double fBackScale(static_cast<double>(GetE3dLatheObj().GetBackScale()) / 100.0);

            const double fRotation(basegfx::deg2rad<10>(GetE3dLatheObj().GetEndAngle()));

            const bool bSmoothNormals(GetE3dLatheObj().GetSmoothNormals()); // Plane itself

            const bool bSmoothLids(GetE3dLatheObj().GetSmoothLids()); // Front/back

            const bool bCharacterMode(GetE3dLatheObj().GetCharacterMode());

            const bool bCloseFront(GetE3dLatheObj().GetCloseFront());

            const bool bCloseBack(GetE3dLatheObj().GetCloseBack());

            // create primitive and add

            const basegfx::B3DHomMatrix aWorldTransform;

            const drawinglayer::primitive3d::Primitive3DReference xReference(

                new drawinglayer::primitive3d::SdrLathePrimitive3D(

                    aWorldTransform, aTextureSize, aAttribute, aSdr3DObjectAttribute,

                    std::move(aPolyPolygon), nHorizontalSegments, nVerticalSegments,

                    fDiagonal, fBackScale, fRotation,

                    bSmoothNormals, bSmoothLids, bCharacterMode, bCloseFront, bCloseBack));

            xRetval = { xReference };

            return xRetval;

        }

} // end of namespace

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