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path: root/svx/source/sdr/contact/viewcontactofe3dlathe.cxx
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/* -*- 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 <sdr/contact/viewcontactofe3dlathe.hxx>
#include <svx/lathe3d.hxx>
#include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>
#include <svx/sdr/primitive2d/sdrattributecreator.hxx>
#include <sdr/primitive3d/sdrattributecreator3d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <memory>


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

            // get 3D Object Attributes
            std::unique_ptr<drawinglayer::attribute::Sdr3DObjectAttribute> pSdr3DObjectAttribute(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(basegfx::utils::getRange(aPolyPolygon));
            const basegfx::B2DVector aTextureSize(
                F_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((static_cast<double>(GetE3dLatheObj().GetEndAngle()) / 1800.0) * F_PI);
            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, *pSdr3DObjectAttribute,
                    aPolyPolygon, nHorizontalSegments, nVerticalSegments,
                    fDiagonal, fBackScale, fRotation,
                    bSmoothNormals, bSmoothLids, bCharacterMode, bCloseFront, bCloseBack));
            xRetval = { xReference };

            return xRetval;
        }

} // end of namespace

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */