/* -*- 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 <com/sun/star/drawing/NormalsKind.hpp>

#include <drawinglayer/primitive3d/sdrcubeprimitive3d.hxx>

#include <basegfx/point/b2dpoint.hxx>

#include <basegfx/polygon/b3dpolypolygontools.hxx>

#include <basegfx/polygon/b3dpolygon.hxx>

#include <basegfx/range/b3drange.hxx>

#include <basegfx/matrix/b2dhommatrix.hxx>

#include <primitive3d/sdrdecompositiontools3d.hxx>

#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>

#include <drawinglayer/attribute/sdrfillattribute.hxx>

#include <drawinglayer/attribute/sdrlineattribute.hxx>

#include <drawinglayer/attribute/sdrshadowattribute.hxx>

using namespace com::sun::star;

namespace drawinglayer::primitive3d

{

        Primitive3DContainer SdrCubePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const

        {

            const basegfx::B3DRange aUnitRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);

            Primitive3DContainer aRetval;

            basegfx::B3DPolyPolygon aFill(basegfx::utils::createCubeFillPolyPolygonFromB3DRange(aUnitRange));

            // normal creation

            if(!getSdrLFSAttribute().getFill().isDefault())

            {

                if(css::drawing::NormalsKind_SPECIFIC == getSdr3DObjectAttribute().getNormalsKind()

                    || css::drawing::NormalsKind_SPHERE == getSdr3DObjectAttribute().getNormalsKind())

                {

                    // create sphere normals

                    const basegfx::B3DPoint aCenter(basegfx::utils::getRange(aFill).getCenter());

                    aFill = basegfx::utils::applyDefaultNormalsSphere(aFill, aCenter);

                }

                if(getSdr3DObjectAttribute().getNormalsInvert())

                {

                    // invert normals

                    aFill = basegfx::utils::invertNormals(aFill);

                }

            }

            // texture coordinates

            if(!getSdrLFSAttribute().getFill().isDefault())

            {

                // handle texture coordinates X

                const bool bParallelX(css::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionX());

                const bool bObjectSpecificX(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());

                const bool bSphereX(!bParallelX && (css::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionX()));

                // handle texture coordinates Y

                const bool bParallelY(css::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionY());

                const bool bObjectSpecificY(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());

                const bool bSphereY(!bParallelY && (css::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionY()));

                if(bParallelX || bParallelY)

                {

                    // apply parallel texture coordinates in X and/or Y

                    const basegfx::B3DRange aRange(basegfx::utils::getRange(aFill));

                    aFill = basegfx::utils::applyDefaultTextureCoordinatesParallel(aFill, aRange, bParallelX, bParallelY);

                }

                if(bSphereX || bSphereY)

                {

                    // apply spherical texture coordinates in X and/or Y

                    const basegfx::B3DRange aRange(basegfx::utils::getRange(aFill));

                    const basegfx::B3DPoint aCenter(aRange.getCenter());

                    aFill = basegfx::utils::applyDefaultTextureCoordinatesSphere(aFill, aCenter, bSphereX, bSphereY);

                }

                if(bObjectSpecificX || bObjectSpecificY)

                {

                    // object-specific

                    for(sal_uInt32 a(0); a < aFill.count(); a++)

                    {

                        basegfx::B3DPolygon aTmpPoly(aFill.getB3DPolygon(a));

                        if(aTmpPoly.count() >= 4)

                        {

                            for(sal_uInt32 b(0); b < 4; b++)

                            {

                                basegfx::B2DPoint aPoint(aTmpPoly.getTextureCoordinate(b));

                                if(bObjectSpecificX)

                                {

                                    aPoint.setX((1 == b || 2 == b) ? 1.0 : 0.0);

                                }

                                if(bObjectSpecificY)

                                {

                                    aPoint.setY((2 == b || 3 == b) ? 1.0 : 0.0);

                                }

                                aTmpPoly.setTextureCoordinate(b, aPoint);

                            }

                            aFill.setB3DPolygon(a, aTmpPoly);

                        }

                    }

                }

                // transform texture coordinates to texture size

                basegfx::B2DHomMatrix aTexMatrix;

                aTexMatrix.scale(getTextureSize().getX(), getTextureSize().getY());

                aFill.transformTextureCoordinates(aTexMatrix);

            }

            // build vector of PolyPolygons

            std::vector< basegfx::B3DPolyPolygon > a3DPolyPolygonVector;

            for(sal_uInt32 a(0); a < aFill.count(); a++)

            {

                a3DPolyPolygonVector.emplace_back(aFill.getB3DPolygon(a));

            }

            if(!getSdrLFSAttribute().getFill().isDefault())

            {

                // add fill

                aRetval = create3DPolyPolygonFillPrimitives(

                    a3DPolyPolygonVector,

                    getTransform(),

                    getTextureSize(),

                    getSdr3DObjectAttribute(),

                    getSdrLFSAttribute().getFill(),

                    getSdrLFSAttribute().getFillFloatTransGradient());

            }

            else

            {

                // create simplified 3d hit test geometry

                aRetval = createHiddenGeometryPrimitives3D(

                    a3DPolyPolygonVector,

                    getTransform(),

                    getTextureSize(),

                    getSdr3DObjectAttribute());

            }

            // add line

            if(!getSdrLFSAttribute().getLine().isDefault())

            {

                basegfx::B3DPolyPolygon aLine(basegfx::utils::createCubePolyPolygonFromB3DRange(aUnitRange));

                const Primitive3DContainer aLines(create3DPolyPolygonLinePrimitives(

                    aLine, getTransform(), getSdrLFSAttribute().getLine()));

                aRetval.append(aLines);

            }

            // add shadow

            if(!getSdrLFSAttribute().getShadow().isDefault() && !aRetval.empty())

            {

                const Primitive3DContainer aShadow(createShadowPrimitive3D(

                    aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));

                aRetval.append(aShadow);

            }

            return aRetval;

        }

        SdrCubePrimitive3D::SdrCubePrimitive3D(

            const basegfx::B3DHomMatrix& rTransform,

            const basegfx::B2DVector& rTextureSize,

            const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,

            const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute)

        :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute)

        {

        }

Unexecuted instantiation: drawinglayer::primitive3d::SdrCubePrimitive3D::SdrCubePrimitive3D(basegfx::B3DHomMatrix const&, basegfx::B2DVector const&, drawinglayer::attribute::SdrLineFillShadowAttribute3D const&, drawinglayer::attribute::Sdr3DObjectAttribute const&)

Unexecuted instantiation: drawinglayer::primitive3d::SdrCubePrimitive3D::SdrCubePrimitive3D(basegfx::B3DHomMatrix const&, basegfx::B2DVector const&, drawinglayer::attribute::SdrLineFillShadowAttribute3D const&, drawinglayer::attribute::Sdr3DObjectAttribute const&)

        basegfx::B3DRange SdrCubePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const

        {

            // use default from sdrPrimitive3D which uses transformation expanded by line width/2.

            // The parent implementation which uses the ranges of the decomposition would be more

            // correct, but for historical reasons it is necessary to do the old method: To get

            // the range of the non-transformed geometry and transform it then. This leads to different

            // ranges where the new method is more correct, but the need to keep the old behaviour

            // has priority here.

            return getStandard3DRange();

        }

        // provide unique ID

        ImplPrimitive3DIDBlock(SdrCubePrimitive3D, PRIMITIVE3D_ID_SDRCUBEPRIMITIVE3D)

} // end of namespace

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