/* -*- 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/viewcontactofe3dcube.hxx>

#include <svx/cube3d.hxx>

#include <drawinglayer/primitive3d/sdrcubeprimitive3d.hxx>

#include <sdr/primitive2d/sdrattributecreator.hxx>

#include <sdr/primitive3d/sdrattributecreator3d.hxx>

#include <basegfx/range/b3drange.hxx>

namespace sdr::contact

{

        ViewContactOfE3dCube::ViewContactOfE3dCube(E3dCubeObj& rCubeObj)

        :   ViewContactOfE3d(rCubeObj)

        {

        }

        ViewContactOfE3dCube::~ViewContactOfE3dCube()

        {

        }

        drawinglayer::primitive3d::Primitive3DContainer ViewContactOfE3dCube::createViewIndependentPrimitive3DContainer() const

        {

            drawinglayer::primitive3d::Primitive3DContainer xRetval;

            const SfxItemSet& rItemSet = GetE3dCubeObj().GetMergedItemSet();

            const drawinglayer::attribute::SdrLineFillShadowAttribute3D aAttribute(

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

            // get cube geometry and use as translation and scaling for unit cube

            basegfx::B3DRange aCubeRange;

            const basegfx::B3DVector aCubeSize(GetE3dCubeObj().GetCubeSize());

            const basegfx::B3DPoint aCubePosition(GetE3dCubeObj().GetCubePos());

            basegfx::B3DHomMatrix aWorldTransform;

            if(GetE3dCubeObj().GetPosIsCenter())

            {

                const basegfx::B3DVector aHalfCubeSize(aCubeSize / 2.0);

                aCubeRange.expand(aCubePosition - aHalfCubeSize);

                aCubeRange.expand(aCubePosition + aHalfCubeSize);

            }

            else

            {

                aCubeRange.expand(aCubePosition);

                aCubeRange.expand(aCubePosition + aCubeSize);

            }

            // add scale and translate to world transformation

            const basegfx::B3DVector abjectRange(aCubeRange.getRange());

            aWorldTransform.scale(abjectRange.getX(), abjectRange.getY(), abjectRange.getZ());

            aWorldTransform.translate(aCubeRange.getMinX(), aCubeRange.getMinY(), aCubeRange.getMinZ());

            // get 3D Object Attributes

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

            // calculate texture size to get a perfect mapping for

            // the front/back sides

            const basegfx::B2DVector aTextureSize(aCubeSize.getX(), aCubeSize.getY());

            // create primitive and add

            const drawinglayer::primitive3d::Primitive3DReference xReference(

                new drawinglayer::primitive3d::SdrCubePrimitive3D(

                    aWorldTransform, aTextureSize, aAttribute, aSdr3DObjectAttribute));

            xRetval = { xReference };

            return xRetval;

        }

} // end of namespace

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