xref: /aoo41x/main/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx (revision 080bd379)

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 * to you under the Apache License, Version 2.0 (the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b3dpolypolygontools.hxx>
#include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
#include <drawinglayer/geometry/viewinformation3d.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 SdrLathePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
		{
			Primitive3DSequence aRetval;

			// get slices
			const Slice3DVector& rSliceVector = getSlices();

			if(rSliceVector.size())
			{
				const bool bBackScale(!basegfx::fTools::equal(getBackScale(), 1.0));
				const bool bClosedRotation(!bBackScale && getHorizontalSegments() && basegfx::fTools::equal(getRotation(), F_2PI));
				sal_uInt32 a;

				// decide what to create
				const ::com::sun::star::drawing::NormalsKind eNormalsKind(getSdr3DObjectAttribute().getNormalsKind());
				const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == eNormalsKind);
				const bool bCreateTextureCoordiantesX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
				const bool bCreateTextureCoordiantesY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
				basegfx::B2DHomMatrix aTexTransform;

				if(!getSdrLFSAttribute().getFill().isDefault()
                    && (bCreateTextureCoordiantesX || bCreateTextureCoordiantesY))
				{
					aTexTransform.set(0, 0, 0.0);
					aTexTransform.set(0, 1, 1.0);
					aTexTransform.set(1, 0, 1.0);
					aTexTransform.set(1, 1, 0.0);

					aTexTransform.translate(0.0, -0.5);
					aTexTransform.scale(1.0, -1.0);
					aTexTransform.translate(0.0, 0.5);
				}

				// create geometry
				::std::vector< basegfx::B3DPolyPolygon > aFill;
				extractPlanesFromSlice(aFill, rSliceVector,
					bCreateNormals, getSmoothHorizontalNormals(), getSmoothNormals(), getSmoothLids(), bClosedRotation,
					0.85, 0.6, bCreateTextureCoordiantesX || bCreateTextureCoordiantesY, aTexTransform);

				// get full range
				const basegfx::B3DRange aRange(getRangeFrom3DGeometry(aFill));

				// normal creation
				if(!getSdrLFSAttribute().getFill().isDefault())
				{
					if(::com::sun::star::drawing::NormalsKind_SPHERE == eNormalsKind)
					{
						applyNormalsKindSphereTo3DGeometry(aFill, aRange);
					}
					else if(::com::sun::star::drawing::NormalsKind_FLAT == eNormalsKind)
					{
						applyNormalsKindFlatTo3DGeometry(aFill);
					}

					if(getSdr3DObjectAttribute().getNormalsInvert())
					{
						applyNormalsInvertTo3DGeometry(aFill);
					}
				}

				// texture coordinates
				if(!getSdrLFSAttribute().getFill().isDefault())
				{
					applyTextureTo3DGeometry(
						getSdr3DObjectAttribute().getTextureProjectionX(),
						getSdr3DObjectAttribute().getTextureProjectionY(),
						aFill,
						aRange,
						getTextureSize());
				}

				if(!getSdrLFSAttribute().getFill().isDefault())
				{
					// add fill
					aRetval = create3DPolyPolygonFillPrimitives(
						aFill,
						getTransform(),
						getTextureSize(),
						getSdr3DObjectAttribute(),
						getSdrLFSAttribute().getFill(),
						getSdrLFSAttribute().getFillFloatTransGradient());
				}
				else
				{
					// create simplified 3d hit test geometry
                    aRetval = createHiddenGeometryPrimitives3D(
				        aFill,
				        getTransform(),
				        getTextureSize(),
				        getSdr3DObjectAttribute());
				}

				// add line
				if(!getSdrLFSAttribute().getLine().isDefault())
				{
                    if(getSdr3DObjectAttribute().getReducedLineGeometry())
                    {
						// create geometric outlines with reduced line geometry for chart
						const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
						const sal_uInt32 nCount(aHorLine.count());
						basegfx::B3DPolyPolygon aNewLineGeometry;

						for(a = 1; a < nCount; a++)
						{
							// for each loop pair create the connection edges
							createReducedOutlines(
								rViewInformation,
								getTransform(),
								aHorLine.getB3DPolygon(a - 1),
								aHorLine.getB3DPolygon(a),
								aNewLineGeometry);
						}

						for(a = 0; a < nCount; a++)
						{
							// filter hor lines for empty loops (those who have their defining point on the Y-Axis)
							basegfx::B3DPolygon aCandidate(aHorLine.getB3DPolygon(a));
							aCandidate.removeDoublePoints();

							if(aCandidate.count())
							{
								aNewLineGeometry.append(aCandidate);
							}
						}

						if(aNewLineGeometry.count())
						{
							const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
                                aNewLineGeometry, getTransform(), getSdrLFSAttribute().getLine()));
							appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
						}
					}
					else
					{
						// extract line geometry from slices
						const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
						const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector));

						// add horizontal lines
						const Primitive3DSequence aHorLines(create3DPolyPolygonLinePrimitives(
                            aHorLine, getTransform(), getSdrLFSAttribute().getLine()));
						appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aHorLines);

						// add vertical lines
						const Primitive3DSequence aVerLines(create3DPolyPolygonLinePrimitives(
                            aVerLine, getTransform(), getSdrLFSAttribute().getLine()));
						appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aVerLines);
					}
				}

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

			return aRetval;
		}

		void SdrLathePrimitive3D::impCreateSlices()
		{
			// prepare the polygon. No double points, correct orientations and a correct
			// outmost polygon are needed
            // Also important: subdivide here to ensure equal point count for all slices (!)
			maCorrectedPolyPolygon = basegfx::tools::adaptiveSubdivideByAngle(getPolyPolygon());
			maCorrectedPolyPolygon.removeDoublePoints();
			maCorrectedPolyPolygon = basegfx::tools::correctOrientations(maCorrectedPolyPolygon);
			maCorrectedPolyPolygon = basegfx::tools::correctOutmostPolygon(maCorrectedPolyPolygon);

			// check edge count of first sub-polygon. If different, reSegment polyPolygon. This ensures
			// that for polyPolygons, the subPolys 1..n only get reSegmented when polygon 0L is different
			// at all (and not always)
			const basegfx::B2DPolygon aSubCandidate(maCorrectedPolyPolygon.getB2DPolygon(0));
			const sal_uInt32 nSubEdgeCount(aSubCandidate.isClosed() ? aSubCandidate.count() : (aSubCandidate.count() ? aSubCandidate.count() - 1L : 0L));

			if(nSubEdgeCount != getVerticalSegments())
			{
				maCorrectedPolyPolygon = basegfx::tools::reSegmentPolyPolygon(maCorrectedPolyPolygon, getVerticalSegments());
			}

			// prepare slices as geometry
			createLatheSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getRotation(), getHorizontalSegments(), getCharacterMode(), getCloseFront(), getCloseBack());
		}

		const Slice3DVector& SdrLathePrimitive3D::getSlices() const
		{
			// This can be made dependent of  getSdrLFSAttribute().getFill() and getSdrLFSAttribute().getLine()
			// again when no longer geometry is needed for non-visible 3D objects as it is now for chart
			if(getPolyPolygon().count() && !maSlices.size())
			{
			    ::osl::Mutex m_mutex;
				const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices();
			}

			return maSlices;
		}

		SdrLathePrimitive3D::SdrLathePrimitive3D(
			const basegfx::B3DHomMatrix& rTransform,
			const basegfx::B2DVector& rTextureSize,
			const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
			const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
			const basegfx::B2DPolyPolygon& rPolyPolygon,
			sal_uInt32 nHorizontalSegments,
			sal_uInt32 nVerticalSegments,
			double fDiagonal,
			double fBackScale,
			double fRotation,
			bool bSmoothNormals,
			bool bSmoothHorizontalNormals,
			bool bSmoothLids,
			bool bCharacterMode,
			bool bCloseFront,
			bool bCloseBack)
		:	SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
            maCorrectedPolyPolygon(),
            maSlices(),
			maPolyPolygon(rPolyPolygon),
			mnHorizontalSegments(nHorizontalSegments),
			mnVerticalSegments(nVerticalSegments),
			mfDiagonal(fDiagonal),
			mfBackScale(fBackScale),
			mfRotation(fRotation),
            mpLastRLGViewInformation(0),
			mbSmoothNormals(bSmoothNormals),
			mbSmoothHorizontalNormals(bSmoothHorizontalNormals),
			mbSmoothLids(bSmoothLids),
			mbCharacterMode(bCharacterMode),
			mbCloseFront(bCloseFront),
			mbCloseBack(bCloseBack)
		{
			// make sure Rotation is positive
			if(basegfx::fTools::lessOrEqual(getRotation(), 0.0))
			{
				mfRotation = 0.0;
			}

			// make sure the percentage value getDiagonal() is between 0.0 and 1.0
			if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0))
			{
				mfDiagonal = 0.0;
			}
			else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0))
			{
				mfDiagonal = 1.0;
			}

			// no close front/back when polygon is not closed
			if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0L).isClosed())
			{
				mbCloseFront = mbCloseBack = false;
			}

			// no edge rounding when not closing
			if(!getCloseFront() && !getCloseBack())
			{
				mfDiagonal = 0.0;
			}
		}

        SdrLathePrimitive3D::~SdrLathePrimitive3D()
        {
            if(mpLastRLGViewInformation)
            {
                delete mpLastRLGViewInformation;
            }
        }

		bool SdrLathePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
		{
			if(SdrPrimitive3D::operator==(rPrimitive))
			{
				const SdrLathePrimitive3D& rCompare = static_cast< const SdrLathePrimitive3D& >(rPrimitive);

				return (getPolyPolygon() == rCompare.getPolyPolygon()
					&& getHorizontalSegments() == rCompare.getHorizontalSegments()
					&& getVerticalSegments() == rCompare.getVerticalSegments()
					&& getDiagonal() == rCompare.getDiagonal()
					&& getBackScale() == rCompare.getBackScale()
					&& getRotation() == rCompare.getRotation()
					&& getSmoothNormals() == rCompare.getSmoothNormals()
					&& getSmoothHorizontalNormals() == rCompare.getSmoothHorizontalNormals()
					&& getSmoothLids() == rCompare.getSmoothLids()
					&& getCharacterMode() == rCompare.getCharacterMode()
					&& getCloseFront() == rCompare.getCloseFront()
					&& getCloseBack() == rCompare.getCloseBack());
			}

			return false;
		}

		basegfx::B3DRange SdrLathePrimitive3D::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 get3DRangeFromSlices(getSlices());
		}

        Primitive3DSequence SdrLathePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
        {
            if(getSdr3DObjectAttribute().getReducedLineGeometry())
            {
                if(!mpLastRLGViewInformation ||
                    (getBuffered3DDecomposition().hasElements()
                        && *mpLastRLGViewInformation != rViewInformation))
                {
					// conditions of last local decomposition with reduced lines have changed. Remember
                    // new one and clear current decompositiopn
    			    ::osl::Mutex m_mutex;
					SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this);
                    pThat->setBuffered3DDecomposition(Primitive3DSequence());
    				delete pThat->mpLastRLGViewInformation;
                    pThat->mpLastRLGViewInformation = new geometry::ViewInformation3D(rViewInformation);
                }
            }

            // no test for buffering needed, call parent
            return SdrPrimitive3D::get3DDecomposition(rViewInformation);
        }

        // provide unique ID
		ImplPrimitrive3DIDBlock(SdrLathePrimitive3D, PRIMITIVE3D_ID_SDRLATHEPRIMITIVE3D)

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

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