/* -*- 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 "EnhancedCustomShape3d.hxx"

#include <o3tl/unit_conversion.hxx>

#include <svx/deflt3d.hxx>

#include <svx/svdmodel.hxx>

#include <tools/debug.hxx>

#include <tools/poly.hxx>

#include <svx/svditer.hxx>

#include <svx/svdobj.hxx>

#include <svx/svdoashp.hxx>

#include <svl/itemset.hxx>

#include <svl/whiter.hxx>

#include <svx/xfillit0.hxx>

#include <svx/xlineit0.hxx>

#include <svx/xsflclit.hxx>

#include <svx/xbtmpit.hxx>

#include <svx/xflclit.hxx>

#include <svx/svdopath.hxx>

#include <svx/svddef.hxx>

#include <svx/svx3ditems.hxx>

#include <extrud3d.hxx>

#include <svx/xflbmtit.hxx>

#include <svx/xlnclit.hxx>

#include <svx/sdasitm.hxx>

#include <svx/scene3d.hxx>

#include <com/sun/star/drawing/Position3D.hpp>

#include <com/sun/star/drawing/Direction3D.hpp>

#include <com/sun/star/drawing/NormalsKind.hpp>

#include <com/sun/star/drawing/ShadeMode.hpp>

#include <svx/sdr/properties/properties.hxx>

#include <com/sun/star/drawing/EnhancedCustomShapeParameterPair.hpp>

#include <com/sun/star/drawing/EnhancedCustomShapeMetalType.hpp>

#include <com/sun/star/drawing/ProjectionMode.hpp>

#include <basegfx/color/bcolor.hxx>

#include <basegfx/polygon/b2dpolypolygontools.hxx>

#include <basegfx/polygon/b3dpolygon.hxx>

#include <basegfx/range/b2drange.hxx>

#include <sdr/primitive2d/sdrattributecreator.hxx>

#include <drawinglayer/attribute/sdrlineattribute.hxx>

#include <drawinglayer/attribute/sdrlinestartendattribute.hxx>

#include <svx/xlnwtit.hxx>

#include <svx/xlntrit.hxx>

#include <svx/xfltrit.hxx>

#include <comphelper/configuration.hxx>

using namespace com::sun::star;

using namespace com::sun::star::uno;

namespace {

void GetOrigin( const SdrCustomShapeGeometryItem& rItem, double& rOriginX, double& rOriginY )

{

    css::drawing::EnhancedCustomShapeParameterPair aOriginParaPair;

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, u"Origin"_ustr );

    if ( ! ( pAny && ( *pAny >>= aOriginParaPair ) && ( aOriginParaPair.First.Value >>= rOriginX ) && ( aOriginParaPair.Second.Value >>= rOriginY ) ) )

    {

        rOriginX = 0.50;

        rOriginY =-0.50;

    }

}

void GetRotateAngle( const SdrCustomShapeGeometryItem& rItem, double& rAngleX, double& rAngleY )

{

    css::drawing::EnhancedCustomShapeParameterPair aRotateAngleParaPair;

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, u"RotateAngle"_ustr );

    if ( ! ( pAny && ( *pAny >>= aRotateAngleParaPair ) && ( aRotateAngleParaPair.First.Value >>= rAngleX ) && ( aRotateAngleParaPair.Second.Value >>= rAngleY ) ) )

    {

        rAngleX = 0.0;

        rAngleY = 0.0;

    }

    rAngleX = basegfx::deg2rad(rAngleX);

    rAngleY = basegfx::deg2rad(rAngleY);

}

void GetSkew( const SdrCustomShapeGeometryItem& rItem, double& rSkewAmount, double& rSkewAngle )

{

    css::drawing::EnhancedCustomShapeParameterPair aSkewParaPair;

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, u"Skew"_ustr );

    if ( ! ( pAny && ( *pAny >>= aSkewParaPair ) && ( aSkewParaPair.First.Value >>= rSkewAmount ) && ( aSkewParaPair.Second.Value >>= rSkewAngle ) ) )

    {

        rSkewAmount = 50;

        // ODF default is 45, but older ODF documents expect -135 as default. For intermediate

        // solution see tdf#141301 and tdf#141127.

        // MS Office default -135 is set in msdffimp.cxx to make import independent from setting here.

        rSkewAngle = -135;

    }

    rSkewAngle = basegfx::deg2rad(rSkewAngle);

}

void GetExtrusionDepth( const SdrCustomShapeGeometryItem& rItem, const double* pMap, double& rBackwardDepth, double& rForwardDepth )

{

    css::drawing::EnhancedCustomShapeParameterPair aDepthParaPair;

    double fDepth = 0, fFraction = 0;

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, u"Depth"_ustr );

    if ( pAny && ( *pAny >>= aDepthParaPair ) && ( aDepthParaPair.First.Value >>= fDepth ) && ( aDepthParaPair.Second.Value >>= fFraction ) )

    {

        rForwardDepth = fDepth * fFraction;

        rBackwardDepth = fDepth - rForwardDepth;

    }

    else

    {

        rBackwardDepth = 1270;

        rForwardDepth = 0;

    }

    if ( pMap )

    {

        double fMap = *pMap;

        rBackwardDepth *= fMap;

        rForwardDepth *= fMap;

    }

}

double GetDouble( const SdrCustomShapeGeometryItem& rItem, const OUString& rPropertyName, double fDefault )

{

    double fRetValue = fDefault;

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, rPropertyName );

    if ( pAny )

        *pAny >>= fRetValue;

    return fRetValue;

}

drawing::ShadeMode GetShadeMode( const SdrCustomShapeGeometryItem& rItem, const drawing::ShadeMode eDefault )

{

    drawing::ShadeMode eRet( eDefault );

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, u"ShadeMode"_ustr );

    if ( pAny )

    {

        if (!(*pAny >>= eRet))

        {

            sal_Int32 nEnum = 0;

            if(*pAny >>= nEnum)

            {

                eRet = static_cast<drawing::ShadeMode>(nEnum);

            }

        }

    }

    return eRet;

}

bool GetBool( const SdrCustomShapeGeometryItem& rItem, const OUString& rPropertyName, const bool bDefault )

{

    bool bRetValue = bDefault;

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, rPropertyName );

    if ( pAny )

        *pAny >>= bRetValue;

    return bRetValue;

}

drawing::Position3D GetPosition3D( const SdrCustomShapeGeometryItem& rItem, const OUString& rPropertyName,

                                    const drawing::Position3D& rDefault, const double* pMap )

{

    drawing::Position3D aRetValue( rDefault );

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, rPropertyName );

    if ( pAny )

        *pAny >>= aRetValue;

    if ( pMap )

    {

        aRetValue.PositionX *= *pMap;

        aRetValue.PositionY *= *pMap;

        aRetValue.PositionZ *= *pMap;

    }

    return aRetValue;

}

drawing::Direction3D GetDirection3D( const SdrCustomShapeGeometryItem& rItem, const OUString& rPropertyName, const drawing::Direction3D& rDefault )

{

    drawing::Direction3D aRetValue( rDefault );

    const Any* pAny = rItem.GetPropertyValueByName( u"Extrusion"_ustr, rPropertyName );

    if ( pAny )

        *pAny >>= aRetValue;

    return aRetValue;

}

sal_Int16 GetMetalType(const SdrCustomShapeGeometryItem& rItem, const sal_Int16 eDefault)

{

    sal_Int16 aRetValue(eDefault);

    const Any* pAny = rItem.GetPropertyValueByName(u"Extrusion"_ustr, u"MetalType"_ustr);

    if (pAny)

        *pAny >>= aRetValue;

    return aRetValue;

}

// Calculates the light directions for the additional lights, which are used to emulate soft

// lights of MS Office. Method needs to be documented in the Wiki

// https://wiki.documentfoundation.org/Development/ODF_Implementer_Notes in part

// List_of_LibreOffice_ODF_implementation-defined_items

// The method expects vector rLight to be normalized and results normalized vectors.

void lcl_SoftLightsDirection(const basegfx::B3DVector& rLight, basegfx::B3DVector& rSoftUp,

                             basegfx::B3DVector& rSoftDown, basegfx::B3DVector& rSoftRight,

                             basegfx::B3DVector& rSoftLeft)

{

    constexpr double fAngle = basegfx::deg2rad(60); // angle between regular light and soft light

    // We first create directions around (0|0|1) and then rotate them to the light position.

    rSoftUp = basegfx::B3DVector(0.0, sin(fAngle), cos(fAngle));

    rSoftDown = basegfx::B3DVector(0.0, -sin(fAngle), cos(fAngle));

    rSoftRight = basegfx::B3DVector(sin(fAngle), 0.0, cos(fAngle));

    rSoftLeft = basegfx::B3DVector(-sin(fAngle), 0.0, cos(fAngle));

    basegfx::B3DHomMatrix aRotateMat;

    aRotateMat.rotate(0.0, 0.0, M_PI_4);

    if (rLight.getX() == 0.0 && rLight.getZ() == 0.0)

    {

        // Special case with light from top or bottom

        if (rLight.getY() >= 0.0)

            aRotateMat.rotate(-M_PI_2, 0.0, 0.0);

        else

            aRotateMat.rotate(M_PI_2, 0.0, 0.0);

    }

    else

    {

        // Azimuth from z-axis to x-axis. (0|0|1) to (1|0|0) is 90deg.

        double fAzimuth = atan2(rLight.getX(), rLight.getZ());

        // Elevation from xz-plane to y-axis. (0|0|1) to (0|1|0) is 90deg.

        double fElevation = atan2(rLight.getY(), std::hypot(rLight.getX(), rLight.getZ()));

        aRotateMat.rotate(-fElevation, fAzimuth, 0.0);

    }

    rSoftUp = aRotateMat * rSoftUp;

    rSoftDown = aRotateMat * rSoftDown;

    rSoftRight = aRotateMat * rSoftRight;

    rSoftLeft = aRotateMat * rSoftLeft;

}

}

rtl::Reference<SdrObject> EnhancedCustomShape3d::Create3DObject(

    const SdrObject* pShape2d,

    const SdrObjCustomShape& rSdrObjCustomShape)

{

    rtl::Reference<SdrObject> pRet;

    const SdrCustomShapeGeometryItem& rGeometryItem(rSdrObjCustomShape.GetMergedItem(SDRATTR_CUSTOMSHAPE_GEOMETRY));

    double fMap(1.0), *pMap = nullptr;

    if ( rSdrObjCustomShape.getSdrModelFromSdrObject().GetScaleUnit() != MapUnit::Map100thMM )

    {

        DBG_ASSERT( rSdrObjCustomShape.getSdrModelFromSdrObject().GetScaleUnit() == MapUnit::MapTwip, "EnhancedCustomShape3d::Current MapMode is Unsupported" );

        // But we could use MapToO3tlUnit from <tools/UnitConversion> ... ?

        fMap *= o3tl::convert(1.0, o3tl::Length::mm100, o3tl::Length::twip);

        pMap = &fMap;

    }

    if ( GetBool( rGeometryItem, u"Extrusion"_ustr, false ) )

    {

        bool bIsMirroredX(rSdrObjCustomShape.IsMirroredX());

        bool bIsMirroredY(rSdrObjCustomShape.IsMirroredY());

        tools::Rectangle aSnapRect(rSdrObjCustomShape.GetLogicRect());

        Degree100 nObjectRotation(rSdrObjCustomShape.GetRotateAngle());

        if ( nObjectRotation )

        {

            double a = toRadians(36000_deg100 - nObjectRotation);

            tools::Long dx = aSnapRect.Right() - aSnapRect.Left();

            tools::Long dy = aSnapRect.Bottom()- aSnapRect.Top();

            Point aP( aSnapRect.TopLeft() );

            RotatePoint( aP, rSdrObjCustomShape.GetSnapRect().Center(), sin( a ), cos( a ) );

            aSnapRect.SetLeft( aP.X() );

            aSnapRect.SetTop( aP.Y() );

            aSnapRect.SetRight( aSnapRect.Left() + dx );

            aSnapRect.SetBottom( aSnapRect.Top() + dy );

        }

        Point aCenter( aSnapRect.Center() );

        SfxItemSet aSet( rSdrObjCustomShape.GetMergedItemSet() );

        // tdf#146360 If the ItemSet of the source SdrObject has a parent

        // (which means it has a StyleSheet), we need to do some old-style

        // 'BurnInStyleSheetAttributes' action.

        // That means to set all Items which are set in the StyleSheet

        // directly in the ItemSet.

        // This is okay here since the 3D SdrObjects created are

        // placeholders that get rendered, but never reach the

        // surface/the user. If attributes for the source SdrObject

        // change, these will be recreated.

        // The problem is that while "aSet" still has a ptr to the style's

        // ItemSet, this gets lost at the ItemSet of the SdrObject when

        // an ItemSet gets set at the 3D SdrObject, like in diverse

        // SetMergedItemSet calls below. This leads to fetching the wrong

        // (default) FillBitmap in the calls p3DObj->GetMergedItem below

        // (which is 32x32 white, that's what you see without the fix).

        // This could also be fixed (tried it) by either

        // - using rSdrObjCustomShape.GetMergedItem

        // - setting the StyleSheet at 3D SdrObjects ASAP (done at caller)

        // but both solutions contain the risk to not find all places, so

        // it's just more safe to merge the StyleSheet attributes to the

        // ItemSet used for the whole creation.

        if(nullptr != aSet.GetParent())

        {

            SfxWhichIter aIter(aSet);

            sal_uInt16 nWhich(aIter.FirstWhich());

            const SfxPoolItem *pItem(nullptr);

            while(nWhich)

            {

                // this may look at 1st look like doing nothing, but it converts

                // items set in parent/style to SfxItemState::SET items in the

                // ItemSet (see AttributeProperties::ForceStyleToHardAttributes())

                if(SfxItemState::SET == aSet.GetItemState(nWhich, true, &pItem))

                {

                    aSet.Put(*pItem);

                }

                nWhich = aIter.NextWhich();

            }

            aSet.SetParent(nullptr);

        }

        //SJ: vertical writing is not required, by removing this item no outliner is created

        aSet.ClearItem( SDRATTR_TEXTDIRECTION );

        // #i105323# For 3D AutoShapes, the shadow attribute has to be applied to each

        // created visualisation helper model shape individually. The shadow itself

        // will then be rendered from the 3D renderer correctly for the whole 3D scene

        // (and thus behind all objects of which the visualisation may be built). So,

        // do NOT remove it from the ItemSet here.

        // aSet.ClearItem(SDRATTR_SHADOW);

        std::vector< E3dCompoundObject* > aPlaceholderObjectList;

        double fExtrusionBackward, fExtrusionForward;

        GetExtrusionDepth( rGeometryItem, pMap, fExtrusionBackward, fExtrusionForward );

        double fDepth = fExtrusionBackward + fExtrusionForward;

        if ( fDepth < 1.0 )

            fDepth = 1.0;

        drawing::ProjectionMode eProjectionMode( drawing::ProjectionMode_PARALLEL );

        const Any* pAny = rGeometryItem.GetPropertyValueByName( u"Extrusion"_ustr, u"ProjectionMode"_ustr );

        if (pAny)

        {

            if(!(*pAny >>= eProjectionMode))

            {

                sal_Int32 nEnum = 0;

                if(*pAny >>= nEnum)

                {

                    eProjectionMode = static_cast<drawing::ProjectionMode>(nEnum);

                }

            }

        }

        // pShape2d Convert in scenes which include 3D Objects

        E3dDefaultAttributes a3DDefaultAttr;

        a3DDefaultAttr.SetDefaultLatheCharacterMode( true );

        a3DDefaultAttr.SetDefaultExtrudeCharacterMode( true );

        rtl::Reference<E3dScene> pScene = new E3dScene(rSdrObjCustomShape.getSdrModelFromSdrObject());

        bool bSceneHasObjects ( false );

        bool bUseTwoFillStyles( false );

        drawing::ShadeMode eShadeMode( GetShadeMode( rGeometryItem, drawing::ShadeMode_FLAT ) );

        bool bUseExtrusionColor = GetBool( rGeometryItem, u"Color"_ustr, false );

        drawing::FillStyle eFillStyle( aSet.Get(XATTR_FILLSTYLE).GetValue() );

        pScene->GetProperties().SetObjectItem( Svx3DShadeModeItem(static_cast<sal_uInt16>(eShadeMode)));

        aSet.Put( makeSvx3DPercentDiagonalItem( 0 ) );

        aSet.Put( Svx3DTextureModeItem( 1 ) );

        // SPECIFIC needed for ShadeMode_SMOOTH and ShadeMode_PHONG, otherwise FLAT is faster.

        if (eShadeMode == drawing::ShadeMode_SMOOTH || eShadeMode == drawing::ShadeMode_PHONG)

            aSet.Put( Svx3DNormalsKindItem(static_cast<sal_uInt16>(drawing::NormalsKind_SPECIFIC)));

        else

            aSet.Put( Svx3DNormalsKindItem(static_cast<sal_uInt16>(drawing::NormalsKind_FLAT)));

        if ( eShadeMode == drawing::ShadeMode_DRAFT )

        {

            aSet.Put( XLineStyleItem( drawing::LineStyle_SOLID ) );

            aSet.Put( XFillStyleItem ( drawing::FillStyle_NONE ) );

            aSet.Put( makeSvx3DDoubleSidedItem( true ) );

        }

        else

        {

            aSet.Put( XLineStyleItem( drawing::LineStyle_NONE ) );

            if ( eFillStyle == drawing::FillStyle_NONE )

                aSet.Put( XFillStyleItem( drawing::FillStyle_SOLID ) );

            else if ( ( eFillStyle == drawing::FillStyle_BITMAP ) || ( eFillStyle == drawing::FillStyle_GRADIENT ) || bUseExtrusionColor )

                bUseTwoFillStyles = true;

            // If shapes are mirrored once (mirroring two times correct geometry again)

            // double-sided at the object and two-sided-lighting at the scene need to be set.

            // #i122777# Also use double sided for two fill styles since there several 3d objects get

            // created with a depth of 0; one of them is the backside which needs double-sided to

            // get visible

            if(bUseTwoFillStyles || (bIsMirroredX && !bIsMirroredY) || (!bIsMirroredX && bIsMirroredY))

            {

                aSet.Put( makeSvx3DDoubleSidedItem( true ) );

                pScene->GetProperties().SetObjectItem( makeSvx3DTwoSidedLightingItem( true ) );

            }

        }

        tools::Rectangle aBoundRect2d;

        basegfx::B2DPolyPolygon aTotalPolyPoly;

        SdrObjListIter aIter( *pShape2d, SdrIterMode::DeepNoGroups );

        const bool bMultipleSubObjects(aIter.Count() > 1);

        const bool bFuzzing(comphelper::IsFuzzing());

        while( aIter.IsMore() )

        {

            const SdrObject* pNext = aIter.Next();

            bool bIsPlaceholderObject = (pNext->GetMergedItem( XATTR_FILLSTYLE ).GetValue() == drawing::FillStyle_NONE )

                                        && (pNext->GetMergedItem( XATTR_LINESTYLE ).GetValue() == drawing::LineStyle_NONE );

            basegfx::B2DPolyPolygon aPolyPoly;

            SfxItemSet aLocalSet(aSet);

            drawing::FillStyle aLocalFillStyle(eFillStyle);

            if ( auto pPathObj = dynamic_cast<const SdrPathObj*>(pNext) )

            {

                const SfxItemSet& rSet = pNext->GetMergedItemSet();

                bool bNeedToConvertToContour(false);

                // do conversion only for single line objects; for all others a fill and a

                // line object get created. When we have fill, we want no line. That line has

                // always been there, but since it was never converted to contour, it kept

                // invisible (all this 'hidden' logic should be migrated to primitives).

                if(!bMultipleSubObjects)

                {

                    const drawing::FillStyle eStyle(rSet.Get(XATTR_FILLSTYLE).GetValue());

                    if(drawing::FillStyle_NONE == eStyle)

                    {

                        const drawinglayer::attribute::SdrLineAttribute aLine(

                            drawinglayer::primitive2d::createNewSdrLineAttribute(rSet));

                        bNeedToConvertToContour = (0.0 < aLine.getWidth() || 0.0 != aLine.getFullDotDashLen());

                        if(!bNeedToConvertToContour && !aLine.isDefault())

                        {

                            const drawinglayer::attribute::SdrLineStartEndAttribute aLineStartEnd(

                                drawinglayer::primitive2d::createNewSdrLineStartEndAttribute(rSet, aLine.getWidth()));

                            if((aLineStartEnd.getStartWidth() && aLineStartEnd.isStartActive())

                                || (aLineStartEnd.getEndWidth() && aLineStartEnd.isEndActive()))

                            {

                                bNeedToConvertToContour = true;

                            }

                        }

                    }

                }

                if (bNeedToConvertToContour && !bFuzzing)

                {

                    rtl::Reference<SdrObject> pNewObj = pNext->ConvertToContourObj(const_cast< SdrObject* >(pNext));

                    SdrPathObj* pNewPathObj = dynamic_cast< SdrPathObj* >(pNewObj.get());

                    if(pNewPathObj)

                    {

                        aPolyPoly = pNewPathObj->GetPathPoly();

                        if(aPolyPoly.isClosed())

                        {

                            // correct item properties from line to fill style

                            if(eShadeMode == drawing::ShadeMode_DRAFT)

                            {

                                // for draft, create wireframe with fixed line width

                                aLocalSet.Put(XLineStyleItem(drawing::LineStyle_SOLID));

                                aLocalSet.Put(XLineWidthItem(40));

                                aLocalFillStyle = drawing::FillStyle_NONE;

                            }

                            else

                            {

                                // switch from line to fill, copy line attr to fill attr (color, transparence)

                                aLocalSet.Put(XLineWidthItem(0));

                                aLocalSet.Put(XLineStyleItem(drawing::LineStyle_NONE));

                                aLocalSet.Put(XFillColorItem(OUString(), aLocalSet.Get(XATTR_LINECOLOR).GetColorValue()));

                                aLocalSet.Put(XFillStyleItem(drawing::FillStyle_SOLID));

                                aLocalSet.Put(XFillTransparenceItem(aLocalSet.Get(XATTR_LINETRANSPARENCE).GetValue()));

                                aLocalFillStyle = drawing::FillStyle_SOLID;

                            }

                        }

                        else

                        {

                            // correct item properties to hairlines

                            aLocalSet.Put(XLineWidthItem(0));

                            aLocalSet.Put(XLineStyleItem(drawing::LineStyle_SOLID));

                        }

                    }

                }

                else

                {

                    aPolyPoly = pPathObj->GetPathPoly();

                }

            }

            else

            {

                rtl::Reference<SdrObject> pNewObj = pNext->ConvertToPolyObj( false, false );

                SdrPathObj* pPath = dynamic_cast<SdrPathObj*>( pNewObj.get() );

                if ( pPath )

                    aPolyPoly = pPath->GetPathPoly();

            }

            if( aPolyPoly.count() )

            {

                if(aPolyPoly.areControlPointsUsed())

                {

                    aPolyPoly = basegfx::utils::adaptiveSubdivideByAngle(aPolyPoly);

                }

                const basegfx::B2DRange aTempRange(aPolyPoly.getB2DRange());

                const tools::Rectangle aBoundRect(basegfx::fround<tools::Long>(aTempRange.getMinX()), basegfx::fround<tools::Long>(aTempRange.getMinY()), basegfx::fround<tools::Long>(aTempRange.getMaxX()), basegfx::fround<tools::Long>(aTempRange.getMaxY()));

                aTotalPolyPoly.append(aPolyPoly);

                aBoundRect2d.Union( aBoundRect );

                // #i122777# depth 0 is okay for planes when using double-sided

                rtl::Reference<E3dCompoundObject> p3DObj = new E3dExtrudeObj(

                    rSdrObjCustomShape.getSdrModelFromSdrObject(),

                    a3DDefaultAttr,

                    aPolyPoly,

                    bUseTwoFillStyles ? 0 : fDepth );

                p3DObj->NbcSetLayer( pShape2d->GetLayer() );

                p3DObj->SetMergedItemSet( aLocalSet );

                if ( bIsPlaceholderObject )

                    aPlaceholderObjectList.push_back( p3DObj.get() );

                else if ( bUseTwoFillStyles )

                {

                    Bitmap aFillBmp;

                    bool bFillBmpTile = p3DObj->GetMergedItem( XATTR_FILLBMP_TILE ).GetValue();

                    if ( bFillBmpTile )

                    {

                        const XFillBitmapItem& rBmpItm = p3DObj->GetMergedItem(XATTR_FILLBITMAP);

                        aFillBmp = rBmpItm.GetGraphicObject().GetGraphic().GetBitmap();

                        // #i122777# old adaptation of FillStyle bitmap size to 5-times the original size; this is not needed

                        // anymore and was used in old times to male the fill look better when converting to 3D. Removed

                        // from regular 3D objects for some time, also needs to be removed from CustomShapes

                        //Size aLogicalSize = aFillBmp.GetPrefSize();

                        //if ( aFillBmp.GetPrefMapMode() == MapUnit::MapPixel )

                        //  aLogicalSize = Application::GetDefaultDevice()->PixelToLogic( aLogicalSize, MapUnit::Map100thMM );

                        //else

                        //  aLogicalSize = OutputDevice::LogicToLogic( aLogicalSize, aFillBmp.GetPrefMapMode(), MapUnit::Map100thMM );

                        //aLogicalSize.Width()  *= 5;           ;//             :-(     nice scaling, look at engine3d/obj3d.cxx

                        //aLogicalSize.Height() *= 5;

                        //aFillBmp.SetPrefSize( aLogicalSize );

                        //aFillBmp.SetPrefMapMode( MapUnit::Map100thMM );

                        //p3DObj->SetMergedItem(XFillBitmapItem(String(), Graphic(aFillBmp)));

                    }

                    else

                    {

                        if ( aSnapRect != aBoundRect && aSnapRect.GetWidth() > 0 && aSnapRect.GetHeight() > 0)

                        {

                            const XFillBitmapItem& rBmpItm = p3DObj->GetMergedItem(XATTR_FILLBITMAP);

                            aFillBmp = rBmpItm.GetGraphicObject().GetGraphic().GetBitmap();

                            Size aBmpSize( aFillBmp.GetSizePixel() );

                            double fXScale = static_cast<double>(aBoundRect.GetWidth()) / static_cast<double>(aSnapRect.GetWidth());

                            double fYScale = static_cast<double>(aBoundRect.GetHeight()) / static_cast<double>(aSnapRect.GetHeight());

                            Point aPt( static_cast<sal_Int32>( static_cast<double>( aBoundRect.Left() - aSnapRect.Left() )* static_cast<double>(aBmpSize.Width()) / static_cast<double>(aSnapRect.GetWidth()) ),

                                                static_cast<sal_Int32>( static_cast<double>( aBoundRect.Top() - aSnapRect.Top() ) * static_cast<double>(aBmpSize.Height()) / static_cast<double>(aSnapRect.GetHeight()) ) );

                            Size aSize( static_cast<sal_Int32>( aBmpSize.Width() * fXScale ),

                                                    static_cast<sal_Int32>( aBmpSize.Height() * fYScale ) );

                            tools::Rectangle aCropRect( aPt, aSize );

                            aFillBmp.Crop( aCropRect );

                            p3DObj->SetMergedItem(XFillBitmapItem(OUString(), Graphic(aFillBmp)));

                        }

                    }

                    pScene->InsertObject( p3DObj.get() );

                    p3DObj = new E3dExtrudeObj(

                        rSdrObjCustomShape.getSdrModelFromSdrObject(),

                        a3DDefaultAttr,

                        aPolyPoly,

                        fDepth);

                    p3DObj->NbcSetLayer( pShape2d->GetLayer() );

                    p3DObj->SetMergedItemSet( aLocalSet );

                    if ( bUseExtrusionColor )

                        p3DObj->SetMergedItem( XFillColorItem( u""_ustr, rSdrObjCustomShape.GetMergedItem( XATTR_SECONDARYFILLCOLOR ).GetColorValue() ) );

                    p3DObj->SetMergedItem( XFillStyleItem( drawing::FillStyle_SOLID ) );

                    p3DObj->SetMergedItem( Svx3DCloseFrontItem( false ) );

                    p3DObj->SetMergedItem( Svx3DCloseBackItem( false ) );

                    pScene->InsertObject( p3DObj.get() );

                    // #i122777# depth 0 is okay for planes when using double-sided

                    p3DObj = new E3dExtrudeObj(

                        rSdrObjCustomShape.getSdrModelFromSdrObject(),

                        a3DDefaultAttr,

                        std::move(aPolyPoly),

                        0);

                    p3DObj->NbcSetLayer( pShape2d->GetLayer() );

                    p3DObj->SetMergedItemSet( aLocalSet );

                    basegfx::B3DHomMatrix aFrontTransform( p3DObj->GetTransform() );

                    aFrontTransform.translate( 0.0, 0.0, fDepth );

                    p3DObj->NbcSetTransform( aFrontTransform );

                    if ( ( aLocalFillStyle == drawing::FillStyle_BITMAP ) && !aFillBmp.IsEmpty() )

                    {

                        p3DObj->SetMergedItem(XFillBitmapItem(OUString(), Graphic(aFillBmp)));

                    }

                }

                else if ( aLocalFillStyle == drawing::FillStyle_NONE )

                {

                    const XLineColorItem& rLineColor = p3DObj->GetMergedItem( XATTR_LINECOLOR );

                    p3DObj->SetMergedItem( XFillColorItem( u""_ustr, rLineColor.GetColorValue() ) );

                    p3DObj->SetMergedItem( makeSvx3DDoubleSidedItem( true ) );

                    p3DObj->SetMergedItem( Svx3DCloseFrontItem( false ) );

                    p3DObj->SetMergedItem( Svx3DCloseBackItem( false ) );

                }

                pScene->InsertObject( p3DObj.get() );

                bSceneHasObjects = true;

            }

        }

        if ( bSceneHasObjects ) // is the SdrObject properly converted

        {

            // then we can change the return value

            pRet = pScene;

            // Camera settings, Perspective ...

            Camera3D rCamera = pScene->GetCamera();

            pScene->NbcSetSnapRect( aSnapRect );

            // InitScene replacement

            double fW = aBoundRect2d.getOpenWidth();

            double fH = aBoundRect2d.getOpenHeight();

            rCamera.SetAutoAdjustProjection( false );

            rCamera.SetViewWindow( -fW / 2, - fH / 2, fW, fH);

            basegfx::B3DPoint aLookAt( 0.0, 0.0, 0.0 );

            basegfx::B3DPoint aCamPos( 0.0, 0.0, 100.0 );

            rCamera.SetPosAndLookAt( aCamPos, aLookAt );

            rCamera.SetFocalLength( 1.0 );

            ProjectionType eProjectionType( eProjectionMode == drawing::ProjectionMode_PARALLEL ? ProjectionType::Parallel : ProjectionType::Perspective );

            rCamera.SetProjection( eProjectionType );

            pScene->SetCamera( rCamera );

            pScene->SetBoundAndSnapRectsDirty();

            basegfx::B3DHomMatrix aNewTransform( pScene->GetTransform() );

            basegfx::B2DHomMatrix aPolyPolyTransform;

            // Apply flip and z-rotation to scene transformation (y up). At same time transform

            // aTotalPolyPoly (y down) which will be used for 2D boundRect of shape having 2D

            // transformations applied.

            // API values use shape center as origin. Move scene so, that shape center is origin.

            aNewTransform.translate( -aCenter.X(), aCenter.Y(), -fExtrusionBackward);

            aPolyPolyTransform.translate(-aCenter.X(), -aCenter.Y());

            double fZRotate(basegfx::deg2rad(rSdrObjCustomShape.GetObjectRotation()));

            if ( fZRotate != 0.0 )

            {

                aNewTransform.rotate( 0.0, 0.0, fZRotate );

                aPolyPolyTransform.rotate(-fZRotate);

            }

            if ( bIsMirroredX )

            {

                aNewTransform.scale( -1.0, 1, 1 );

                aPolyPolyTransform.scale(-1.0, 1);

            }

            if ( bIsMirroredY )

            {

                aNewTransform.scale( 1, -1.0, 1 );

                aPolyPolyTransform.scale(1, -1.0);

            }

            aPolyPolyTransform.translate(aCenter.X(), aCenter.Y());

            aTotalPolyPoly.transform(aPolyPolyTransform);

            // x- and y-rotation have an own rotation center. x- and y-value of rotation center are

            // fractions of shape size, z-value is in Hmm in property. Shape center is (0 0 0).

            // Values in property are in custom shape extrusion space with y-axis down.

            double fXRotate, fYRotate;

            GetRotateAngle( rGeometryItem, fXRotate, fYRotate );

            drawing::Direction3D aRotationCenterDefault( 0, 0, 0 );

            drawing::Direction3D aRotationCenter( GetDirection3D( rGeometryItem, u"RotationCenter"_ustr, aRotationCenterDefault ) );

            aRotationCenter.DirectionX *= aSnapRect.getOpenWidth();

            aRotationCenter.DirectionY *= aSnapRect.getOpenHeight();

            if (pMap)

            {

                aRotationCenter.DirectionZ *= *pMap;

            }

            aNewTransform.translate( -aRotationCenter.DirectionX, aRotationCenter.DirectionY, -aRotationCenter.DirectionZ );

            if( fYRotate != 0.0 )

                aNewTransform.rotate( 0.0, -fYRotate, 0.0 );

            if( fXRotate != 0.0 )

                aNewTransform.rotate( -fXRotate, 0.0, 0.0 );

            aNewTransform.translate(aRotationCenter.DirectionX, -aRotationCenter.DirectionY, aRotationCenter.DirectionZ);

            // oblique parallel projection is done by shearing the object, not by moving the camera

            if (eProjectionMode == drawing::ProjectionMode_PARALLEL)

            {

                double fSkew, fAlpha;

                GetSkew( rGeometryItem, fSkew, fAlpha );

                if ( fSkew != 0.0 )

                {

                    double fInvTanBeta( fSkew / 100.0 );

                    if(fInvTanBeta)

                    {

                        aNewTransform.shearXY(

                            fInvTanBeta * cos(fAlpha),

                            fInvTanBeta * sin(fAlpha));

                    }

                }

            }

            pScene->NbcSetTransform( aNewTransform );

            // These values are used later again, so declare them outside the if-statement. They will

            // contain the absolute values of ViewPoint in 3D scene coordinate system, y-axis up.

            double fViewPointX = 0; // dummy values

            double fViewPointY = 0;

            double fViewPointZ = 25000;

            if (eProjectionMode == drawing::ProjectionMode_PERSPECTIVE)

            {

                double fOriginX, fOriginY;

                // Calculate BoundRect of shape, including flip and z-rotation, from aTotalPolyPoly.

                tools::Rectangle aBoundAfter2DTransform; // aBoundAfter2DTransform has y-axis down.

                basegfx::B2DRange aTotalPolyPolyRange(aTotalPolyPoly.getB2DRange());

                aBoundAfter2DTransform.SetLeft(aTotalPolyPolyRange.getMinX());

                aBoundAfter2DTransform.SetTop(aTotalPolyPolyRange.getMinY());

                aBoundAfter2DTransform.SetRight(aTotalPolyPolyRange.getMaxX());

                aBoundAfter2DTransform.SetBottom(aTotalPolyPolyRange.getMaxY());

                // Property "Origin" in API is relative to bounding box of shape after 2D

                // transformations. Range is [-0.5;0.5] with center of bounding box as 0.

                // Resolve "Origin" fractions to length

                GetOrigin( rGeometryItem, fOriginX, fOriginY );

                fOriginX *= aBoundAfter2DTransform.GetWidth();

                fOriginY *= aBoundAfter2DTransform.GetHeight();

                // Resolve length to absolute value for 3D

                fOriginX += aBoundAfter2DTransform.Center().X();

                fOriginY += aBoundAfter2DTransform.Center().Y();

                fOriginY = - fOriginY;

                // Scene is translated so that shape center is origin of coordinate system.

                // Translate point "Origin" too.

                fOriginX -= aCenter.X();

                fOriginY -= -aCenter.Y();

                // API ViewPoint values are relative to point "Origin" and have y-axis down.

                // ToDo: These default ViewPoint values are used as default by MS Office. But ODF

                // default is (3500, -3500, 25000), details in tdf#146192.

                drawing::Position3D aViewPointDefault( 3472, -3472, 25000 );

                drawing::Position3D aViewPoint( GetPosition3D( rGeometryItem, u"ViewPoint"_ustr, aViewPointDefault, pMap ) );

                fViewPointX = aViewPoint.PositionX + fOriginX;

                fViewPointY = - aViewPoint.PositionY + fOriginY;

                fViewPointZ = aViewPoint.PositionZ;

            }

            // now set correct camera position

            if (eProjectionMode == drawing::ProjectionMode_PARALLEL)

            {

                basegfx::B3DPoint _aLookAt( 0.0, 0.0, 0.0 );

                basegfx::B3DPoint _aNewCamPos( 0.0, 0.0, 25000.0 );

                rCamera.SetPosAndLookAt( _aNewCamPos, _aLookAt );

                pScene->SetCamera( rCamera );

            }

            else

            {

                basegfx::B3DPoint _aLookAt(fViewPointX, fViewPointY, 0.0);

                basegfx::B3DPoint aNewCamPos(fViewPointX, fViewPointY, fViewPointZ);

                rCamera.SetPosAndLookAt( aNewCamPos, _aLookAt );

                pScene->SetCamera( rCamera );

            }

            // NbcSetTransform has not updated the scene 2D rectangles.

            // Idea: Get a bound volume as polygon from bound rectangle of shape without 2D

            // transformations. Calculate its projection to the XY-plane. Then calculate the bounding

            // rectangle of the projection and convert this rectangle back to absolute 2D coordinates.

            // Set that as 2D rectangle of the scene.

            const tools::Polygon aPolygon(aBoundRect2d); // y-up

            basegfx::B3DPolygon aPolygonBoundVolume; // y-down, scene coordinates

            for (sal_uInt16 i = 0; i < 4; i++ )

            {

                aPolygonBoundVolume.append(basegfx::B3DPoint(aPolygon[i].X(), -aPolygon[i].Y(), 0));

            }

            for (sal_uInt16 i = 0; i < 4; i++ )

            {

                aPolygonBoundVolume.append(basegfx::B3DPoint(aPolygon[i].X(), -aPolygon[i].Y(), fDepth));

            }

            aPolygonBoundVolume.transform(aNewTransform);

            // projection

            tools::Polygon a2DProjectionResult(8); // in fact 3D points with z=0

            for (sal_uInt16 i = 0; i < 8; i++ )

            {

                const basegfx::B3DPoint aPoint3D(aPolygonBoundVolume.getB3DPoint(i));

                if (eProjectionMode == drawing::ProjectionMode_PARALLEL)

                {

                    a2DProjectionResult[i].setX(aPoint3D.getX());

                    a2DProjectionResult[i].setY(aPoint3D.getY());

                }

                else

                {

                    // skip point if line from viewpoint to point is parallel to xy-plane

                    if (double fDiv = aPoint3D.getZ() - fViewPointZ; fDiv != 0.0)

                    {

                        double f = (- fViewPointZ) / fDiv;

                        double fX = (aPoint3D.getX() - fViewPointX) * f + fViewPointX;

                        double fY = (aPoint3D.getY() - fViewPointY) * f + fViewPointY;;

                        a2DProjectionResult[i].setX(static_cast<sal_Int32>(fX));

                        a2DProjectionResult[i].setY(static_cast<sal_Int32>(fY));

                    }

                }

            }

            // Convert to y-axis down

            for (sal_uInt16 i = 0; i < 8; i++ )

            {

                a2DProjectionResult[i].setY(- a2DProjectionResult[i].Y());

            }

            // Shift back to shape center

            a2DProjectionResult.Translate(aCenter);

            pScene->SetLogicRect(a2DProjectionResult.GetBoundRect());

            // light and material

            // "LightFace" has nothing corresponding in 3D rendering engine.

            /* bool bLightFace = */ GetBool(rGeometryItem, u"LightFace"_ustr, true); // default in ODF

            // Light directions

            drawing::Direction3D aFirstLightDirectionDefault(50000.0, 0.0, 10000.0);

            drawing::Direction3D aFirstLightDirection(GetDirection3D( rGeometryItem, u"FirstLightDirection"_ustr, aFirstLightDirectionDefault));

            if (aFirstLightDirection.DirectionX == 0.0 && aFirstLightDirection.DirectionY == 0.0

                && aFirstLightDirection.DirectionZ == 0.0)

                aFirstLightDirection.DirectionZ = 1.0;

            basegfx::B3DVector aLight1Vector(aFirstLightDirection.DirectionX, -aFirstLightDirection.DirectionY, aFirstLightDirection.DirectionZ);

            aLight1Vector.normalize();

            drawing::Direction3D aSecondLightDirectionDefault(-50000.0, 0.0, 10000.0);

            drawing::Direction3D aSecondLightDirection(GetDirection3D( rGeometryItem, u"SecondLightDirection"_ustr, aSecondLightDirectionDefault));

            if (aSecondLightDirection.DirectionX == 0.0 && aSecondLightDirection.DirectionY == 0.0

                && aSecondLightDirection.DirectionZ == 0.0)

                aSecondLightDirection.DirectionZ = 1.0;

            basegfx::B3DVector aLight2Vector(aSecondLightDirection.DirectionX, -aSecondLightDirection.DirectionY, aSecondLightDirection.DirectionZ);

            aLight2Vector.normalize();

            // tdf#160421 a single flip inverts the light directions currently (March 2024). So invert

            // their directions here for rendering.

            if (bIsMirroredX != bIsMirroredY)

            {

                aLight1Vector *= -1.0;

                aLight2Vector *= -1.0;

            }

            // Light Intensity

            // For "FirstLight" the 3D-Scene light "1" is regularly used. In case of surface "Matte"

            // the light 4 is used instead. For "SecondLight" the 3D-Scene light "2" is regularly used.

            // In case first or second light is not harsh, the lights 5 to 8 are used in addition

            // to get a soft light appearance.

            // The 3D-Scene light "3" is currently not used.

            // ODF default 66%. MS Office default 38000/65536=0.579 is set in import filter.

            double fLight1Intensity = GetDouble(rGeometryItem, u"FirstLightLevel"_ustr, 66) / 100.0;

            // ODF and MS Office have both default 'true'.

            bool bFirstLightHarsh = GetBool(rGeometryItem, u"FirstLightHarsh"_ustr, true);

            // ODF default 66%. MS Office default 38000/65536=0.579 is set in import filter

            double fLight2Intensity = GetDouble(rGeometryItem, u"SecondLightLevel"_ustr, 66) / 100.0;

            // ODF has default 'true'. MS Office default 'false' is set in import.

            bool bSecondLightHarsh = GetBool(rGeometryItem, u"SecondLightHarsh"_ustr, true);

            // ODF default 33%. MS Office default 20000/65536=0.305 is set in import filter.

            double fAmbientIntensity = GetDouble(rGeometryItem, u"Brightness"_ustr, 33) / 100.0;

            double fLight1IntensityForSpecular(fLight1Intensity); // remember original value

            if (!bFirstLightHarsh || !bSecondLightHarsh) // might need softing lights

            {

                bool bNeedSoftLights(false); // catch case of lights with zero intensity.

                basegfx::B3DVector aLight5Vector;

                basegfx::B3DVector aLight6Vector;

                basegfx::B3DVector aLight7Vector;

                basegfx::B3DVector aLight8Vector;

                // The needed light intensities depend on the angle between regular light and

                // additional lights, currently for 60deg.

                Color aHoriSoftLightColor;

                Color aVertSoftLightColor;

                if (!bSecondLightHarsh && fLight2Intensity > 0.0

                    && (bFirstLightHarsh || fLight1Intensity == 0.0)) // only second light soft

                {

                    // That is default for shapes generated in the UI, for LO and MS Office as well.

                    bNeedSoftLights = true;

                    double fLight2SoftIntensity = fLight2Intensity * 0.40;

                    aHoriSoftLightColor = Color(basegfx::BColor(fLight2SoftIntensity).clamp());

                    aVertSoftLightColor = aHoriSoftLightColor;

                    fLight2Intensity *= 0.2;

                    lcl_SoftLightsDirection(aLight2Vector, aLight5Vector, aLight6Vector,

                                            aLight7Vector, aLight8Vector);

                }

                else if (!bFirstLightHarsh && fLight1Intensity > 0.0

                         && (bSecondLightHarsh || fLight2Intensity == 0.0)) // only first light soft

                {

                    bNeedSoftLights = true;

                    double fLight1SoftIntensity = fLight1Intensity * 0.40;

                    aHoriSoftLightColor = Color(basegfx::BColor(fLight1SoftIntensity).clamp());

                    aVertSoftLightColor = aHoriSoftLightColor;

                    fLight1Intensity *= 0.2;

                    lcl_SoftLightsDirection(aLight1Vector, aLight5Vector, aLight6Vector,

                                            aLight7Vector, aLight8Vector);

                }

                else if (!bFirstLightHarsh && fLight1Intensity > 0.0 && !bSecondLightHarsh

                         && fLight2Intensity > 0.0) // both lights soft

                {

                    bNeedSoftLights = true;

                    // We do not hat enough lights. We use two soft lights for FirstLight and two for

                    // SecondLight and double intensity.

                    double fLight1SoftIntensity = fLight1Intensity * 0.8;

                    fLight1Intensity *= 0.4;

                    aHoriSoftLightColor = Color(basegfx::BColor(fLight1SoftIntensity).clamp());

                    basegfx::B3DVector aDummy1, aDummy2;

                    lcl_SoftLightsDirection(aLight1Vector, aDummy1, aDummy2, aLight7Vector,

                                            aLight8Vector);

                    double fLight2SoftIntensity = fLight2Intensity * 0.8;

                    aVertSoftLightColor = Color(basegfx::BColor(fLight2SoftIntensity).clamp());

                    fLight2Intensity *= 0.4;

                    lcl_SoftLightsDirection(aLight2Vector, aLight5Vector, aLight6Vector, aDummy1,

                                            aDummy2);

                }

                if (bNeedSoftLights)

                {

                    pScene->GetProperties().SetObjectItem(

                        makeSvx3DLightDirection5Item(aLight5Vector));

                    pScene->GetProperties().SetObjectItem(

                        makeSvx3DLightcolor5Item(aVertSoftLightColor));

                    pScene->GetProperties().SetObjectItem(makeSvx3DLightOnOff5Item(true));

                    pScene->GetProperties().SetObjectItem(

                        makeSvx3DLightDirection6Item(aLight6Vector));

                    pScene->GetProperties().SetObjectItem(

                        makeSvx3DLightcolor6Item(aVertSoftLightColor));

                    pScene->GetProperties().SetObjectItem(makeSvx3DLightOnOff6Item(true));

                    pScene->GetProperties().SetObjectItem(

                        makeSvx3DLightDirection7Item(aLight7Vector));

                    pScene->GetProperties().SetObjectItem(

                        makeSvx3DLightcolor7Item(aHoriSoftLightColor));

                    pScene->GetProperties().SetObjectItem(makeSvx3DLightOnOff7Item(true));

                    pScene->GetProperties().SetObjectItem(

                        makeSvx3DLightDirection8Item(aLight8Vector));

                    pScene->GetProperties().SetObjectItem(

                        makeSvx3DLightcolor8Item(aHoriSoftLightColor));

                    pScene->GetProperties().SetObjectItem(makeSvx3DLightOnOff8Item(true));

                }

            }

            // ToDo: MSO seems to add half of the surplus to ambient color. ODF restricts value to <1.

            if (fLight1Intensity > 1.0)

            {

                fAmbientIntensity += (fLight1Intensity - 1.0) / 2.0;

            }

            // ToDo: How to handle fAmbientIntensity larger 1.0 ? Perhaps lighten object color?

            // Now set the regularly 3D-scene light attributes.

            Color aAmbientColor(basegfx::BColor(fAmbientIntensity).clamp());

            pScene->GetProperties().SetObjectItem(makeSvx3DAmbientcolorItem(aAmbientColor));

            pScene->GetProperties().SetObjectItem(makeSvx3DLightDirection1Item(aLight1Vector));

            pScene->GetProperties().SetObjectItem(makeSvx3DLightOnOff1Item(fLight1Intensity > 0.0));

            Color aLight1Color(basegfx::BColor(fLight1Intensity).clamp());

            pScene->GetProperties().SetObjectItem(makeSvx3DLightcolor1Item(aLight1Color));

            pScene->GetProperties().SetObjectItem(makeSvx3DLightDirection2Item(aLight2Vector));

            pScene->GetProperties().SetObjectItem(makeSvx3DLightOnOff2Item(fLight2Intensity > 0.0));

            Color aLight2Color(basegfx::BColor(fLight2Intensity).clamp());

            pScene->GetProperties().SetObjectItem(makeSvx3DLightcolor2Item(aLight2Color));

            // Object reactions on light

            // Diffusion, Specular-Color and -Intensity are object properties, not scene properties.

            // Surface flag "Metal" is an object property too.

            // Property "Diffusion" would correspond to style attribute "drd3:diffuse-color".

            // But that is not implemented. We cannot ignore the attribute because MS Office sets

            // attribute c3DDiffuseAmt to 43712 (Type Fixed 16.16, approx 66,9%) instead of MSO

            // default 65536 (100%), if the user sets surface 'Metal' in the UI of MS Office.

            // We will change the material color of the 3D object as ersatz.

            // ODF data type is percent with default 0%. MSO default is set in import filter.

            double fDiffusion = GetDouble(rGeometryItem, u"Diffusion"_ustr, 0.0) / 100.0;

            // ODF standard specifies for value true: "the specular color for the shading of an

            // extruded shape is gray (red, green and blue values of 200) instead of white and 15% is

            // added to the specularity."

            // Neither 'specularity' nor 'specular color' is clearly defined in the standard. ODF term

            // 'specularity' seems to correspond to UI field 'Specular Intensity' for 3D scenes.

            // MS Office uses current material color in case 'Metal' is set. To detect, whether

            // rendering similar to MS Office has to be used the property 'MetalType' is used. It is

            // set on import and in the extrusion bar.

            bool bMetal = GetBool(rGeometryItem, u"Metal"_ustr, false);

            sal_Int16 eMetalType(

                GetMetalType(rGeometryItem, drawing::EnhancedCustomShapeMetalType::MetalODF));

            bool bMetalMSCompatible

                = eMetalType == drawing::EnhancedCustomShapeMetalType::MetalMSCompatible;

            // Property "Specularity" corresponds to 3D object style attribute dr3d:specular-color.

            double fSpecularity = GetDouble(rGeometryItem, u"Specularity"_ustr, 0) / 100.0;

            if (bMetal && !bMetalMSCompatible)

            {

                fSpecularity *= 200.0 / 255.0;

            }

            // MS Office seems to render as if 'Specular Color' = Specularity * Light1Intensity.

            double fShadingFactor = fLight1IntensityForSpecular * fSpecularity;

            Color aSpecularCol(basegfx::BColor(fShadingFactor).clamp());

            // In case of bMetalMSCompatible the color will be recalculated in the below loop.

            // Shininess ODF default 50 (unit %). MS Office default 5, import filter makes *10.

            // Shininess corresponds to "Specular Intensity" with the nonlinear relationship

            // "Specular Intensity" = 2^c3DShininess = 2^("Shininess" / 10)

            double fShininess = GetDouble(rGeometryItem, u"Shininess"_ustr, 50) / 10.0;

            fShininess = std::clamp<double>(pow(2, fShininess), 0.0, 100.0);

            sal_uInt16 nIntensity = static_cast<sal_uInt16>(basegfx::fround(fShininess));

            if (bMetal && !bMetalMSCompatible)

            {

                nIntensity += 15; // as specified in ODF