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path: root/drawinglayer/source/primitive3d/sdrcubeprimitive3d.cxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/primitive3d/sdrcubeprimitive3d.hxx>
#include <basegfx/polygon/b3dpolypolygontools.hxx>
#include <basegfx/polygon/b3dpolygon.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
#include <basegfx/tools/canvastools.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
{
    namespace primitive3d
    {
        Primitive3DSequence SdrCubePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const
        {
            const basegfx::B3DRange aUnitRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
            Primitive3DSequence aRetval;
            basegfx::B3DPolyPolygon aFill(basegfx::tools::createCubeFillPolyPolygonFromB3DRange(aUnitRange));

            // normal creation
            if(!getSdrLFSAttribute().getFill().isDefault())
            {
                if(::com::sun::star::drawing::NormalsKind_SPECIFIC == getSdr3DObjectAttribute().getNormalsKind()
                    || ::com::sun::star::drawing::NormalsKind_SPHERE == getSdr3DObjectAttribute().getNormalsKind())
                {
                    // create sphere normals
                    const basegfx::B3DPoint aCenter(basegfx::tools::getRange(aFill).getCenter());
                    aFill = basegfx::tools::applyDefaultNormalsSphere(aFill, aCenter);
                }

                if(getSdr3DObjectAttribute().getNormalsInvert())
                {
                    // invert normals
                    aFill = basegfx::tools::invertNormals(aFill);
                }
            }

            // texture coordinates
            if(!getSdrLFSAttribute().getFill().isDefault())
            {
                // handle texture coordinates X
                const bool bParallelX(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionX());
                const bool bObjectSpecificX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
                const bool bSphereX(!bParallelX && (::com::sun::star::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionX()));

                // handle texture coordinates Y
                const bool bParallelY(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionY());
                const bool bObjectSpecificY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
                const bool bSphereY(!bParallelY && (::com::sun::star::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionY()));

                if(bParallelX || bParallelY)
                {
                    // apply parallel texture coordinates in X and/or Y
                    const basegfx::B3DRange aRange(basegfx::tools::getRange(aFill));
                    aFill = basegfx::tools::applyDefaultTextureCoordinatesParallel(aFill, aRange, bParallelX, bParallelY);
                }

                if(bSphereX || bSphereY)
                {
                    // apply spherical texture coordinates in X and/or Y
                    const basegfx::B3DRange aRange(basegfx::tools::getRange(aFill));
                    const basegfx::B3DPoint aCenter(aRange.getCenter());
                    aFill = basegfx::tools::applyDefaultTextureCoordinatesSphere(aFill, aCenter, bSphereX, bSphereY);
                }

                if(bObjectSpecificX || bObjectSpecificY)
                {
                    // object-specific
                    for(sal_uInt32 a(0L); a < aFill.count(); a++)
                    {
                        basegfx::B3DPolygon aTmpPoly(aFill.getB3DPolygon(a));

                        if(aTmpPoly.count() >= 4L)
                        {
                            for(sal_uInt32 b(0L); b < 4L; b++)
                            {
                                basegfx::B2DPoint aPoint(aTmpPoly.getTextureCoordinate(b));

                                if(bObjectSpecificX)
                                {
                                    aPoint.setX((1L == b || 2L == b) ? 1.0 : 0.0);
                                }

                                if(bObjectSpecificY)
                                {
                                    aPoint.setY((2L == b || 3L == 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.transformTextureCoordiantes(aTexMatrix);
            }

            // build vector of PolyPolygons
            ::std::vector< basegfx::B3DPolyPolygon > a3DPolyPolygonVector;

            for(sal_uInt32 a(0L); a < aFill.count(); a++)
            {
                a3DPolyPolygonVector.push_back(basegfx::B3DPolyPolygon(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::tools::createCubePolyPolygonFromB3DRange(aUnitRange));
                const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
                    aLine, getTransform(), getSdrLFSAttribute().getLine()));
                appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
            }

            // add shadow
            if(!getSdrLFSAttribute().getShadow().isDefault() && aRetval.hasElements())
            {
                const Primitive3DSequence aShadow(createShadowPrimitive3D(
                    aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
                appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, 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)
        {
        }

        bool SdrCubePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
        {
            return SdrPrimitive3D::operator==(rPrimitive);
        }

        basegfx::B3DRange SdrCubePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
        {
            // use defaut from sdrPrimitive3D which uses transformation expanded by line width/2.
            // The parent implementation which uses the ranges of the decomposition would be more
            // corrcet, 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
        ImplPrimitrive3DIDBlock(SdrCubePrimitive3D, PRIMITIVE3D_ID_SDRCUBEPRIMITIVE3D)

    } // end of namespace primitive3d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////
// eof

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