drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx

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  28
  29 #include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>
  30 #include <basegfx/matrix/b2dhommatrix.hxx>
  31 #include <basegfx/polygon/b2dpolygontools.hxx>
  32 #include <basegfx/polygon/b3dpolypolygontools.hxx>
  33 #include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
  34 #include <basegfx/tools/canvastools.hxx>
  35 #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
  36 #include <drawinglayer/geometry/viewinformation3d.hxx>
  37 #include <drawinglayer/attribute/sdrfillattribute.hxx>
  38 #include <drawinglayer/attribute/sdrlineattribute.hxx>
  39 #include <drawinglayer/attribute/sdrshadowattribute.hxx>
  40
  41 //////////////////////////////////////////////////////////////////////////////
  42
  43 using namespace com::sun::star;
  44
  45 //////////////////////////////////////////////////////////////////////////////
  46
  47 namespace drawinglayer
  48 {
  49     namespace primitive3d
  50     {
  51         Primitive3DSequence SdrLathePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
  52         {
  53             Primitive3DSequence aRetval;
  54
  55             // get slices
  56             const Slice3DVector& rSliceVector = getSlices();
  57
  58             if(!rSliceVector.empty())
  59             {
  60                 const bool bBackScale(!basegfx::fTools::equal(getBackScale(), 1.0));
  61                 const bool bClosedRotation(!bBackScale && getHorizontalSegments() && basegfx::fTools::equal(getRotation(), F_2PI));
  62                 sal_uInt32 a;
  63
  64                 // decide what to create
  65                 const ::com::sun::star::drawing::NormalsKind eNormalsKind(getSdr3DObjectAttribute().getNormalsKind());
  66                 const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == eNormalsKind);
  67                 const bool bCreateTextureCoordiantesX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
  68                 const bool bCreateTextureCoordiantesY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
  69                 basegfx::B2DHomMatrix aTexTransform;
  70
  71                 if(!getSdrLFSAttribute().getFill().isDefault()
  72                     && (bCreateTextureCoordiantesX || bCreateTextureCoordiantesY))
  73                 {
  74                     aTexTransform.set(0, 0, 0.0);
  75                     aTexTransform.set(0, 1, 1.0);
  76                     aTexTransform.set(1, 0, 1.0);
  77                     aTexTransform.set(1, 1, 0.0);
  78
  79                     aTexTransform.translate(0.0, -0.5);
  80                     aTexTransform.scale(1.0, -1.0);
  81                     aTexTransform.translate(0.0, 0.5);
  82                 }
  83
  84                 // create geometry
  85                 ::std::vector< basegfx::B3DPolyPolygon > aFill;
  86                 extractPlanesFromSlice(aFill, rSliceVector,
  87                     bCreateNormals, getSmoothHorizontalNormals(), getSmoothNormals(), getSmoothLids(), bClosedRotation,
  88                     0.85, 0.6, bCreateTextureCoordiantesX || bCreateTextureCoordiantesY, aTexTransform);
  89
  90                 // get full range
  91                 const basegfx::B3DRange aRange(getRangeFrom3DGeometry(aFill));
  92
  93                 // normal creation
  94                 if(!getSdrLFSAttribute().getFill().isDefault())
  95                 {
  96                     if(::com::sun::star::drawing::NormalsKind_SPHERE == eNormalsKind)
  97                     {
  98                         applyNormalsKindSphereTo3DGeometry(aFill, aRange);
  99                     }
 100                     else if(::com::sun::star::drawing::NormalsKind_FLAT == eNormalsKind)
 101                     {
 102                         applyNormalsKindFlatTo3DGeometry(aFill);
 103                     }
 104
 105                     if(getSdr3DObjectAttribute().getNormalsInvert())
 106                     {
 107                         applyNormalsInvertTo3DGeometry(aFill);
 108                     }
 109                 }
 110
 111                 // texture coordinates
 112                 if(!getSdrLFSAttribute().getFill().isDefault())
 113                 {
 114                     applyTextureTo3DGeometry(
 115                         getSdr3DObjectAttribute().getTextureProjectionX(),
 116                         getSdr3DObjectAttribute().getTextureProjectionY(),
 117                         aFill,
 118                         aRange,
 119                         getTextureSize());
 120                 }
 121
 122                 if(!getSdrLFSAttribute().getFill().isDefault())
 123                 {
 124                     // add fill
 125                     aRetval = create3DPolyPolygonFillPrimitives(
 126                         aFill,
 127                         getTransform(),
 128                         getTextureSize(),
 129                         getSdr3DObjectAttribute(),
 130                         getSdrLFSAttribute().getFill(),
 131                         getSdrLFSAttribute().getFillFloatTransGradient());
 132                 }
 133                 else
 134                 {
 135                     // create simplified 3d hit test geometry
 136                     aRetval = createHiddenGeometryPrimitives3D(
 137                         aFill,
 138                         getTransform(),
 139                         getTextureSize(),
 140                         getSdr3DObjectAttribute());
 141                 }
 142
 143                 // add line
 144                 if(!getSdrLFSAttribute().getLine().isDefault())
 145                 {
 146                     if(getSdr3DObjectAttribute().getReducedLineGeometry())
 147                     {
 148                         // create geometric outlines with reduced line geometry for chart
 149                         const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
 150                         const sal_uInt32 nCount(aHorLine.count());
 151                         basegfx::B3DPolyPolygon aNewLineGeometry;
 152
 153                         for(a = 1; a < nCount; a++)
 154                         {
 155                             // for each loop pair create the connection edges
 156                             createReducedOutlines(
 157                                 rViewInformation,
 158                                 getTransform(),
 159                                 aHorLine.getB3DPolygon(a - 1),
 160                                 aHorLine.getB3DPolygon(a),
 161                                 aNewLineGeometry);
 162                         }
 163
 164                         for(a = 0; a < nCount; a++)
 165                         {
 166                             // filter hor lines for empty loops (those who have their defining point on the Y-Axis)
 167                             basegfx::B3DPolygon aCandidate(aHorLine.getB3DPolygon(a));
 168                             aCandidate.removeDoublePoints();
 169
 170                             if(aCandidate.count())
 171                             {
 172                                 aNewLineGeometry.append(aCandidate);
 173                             }
 174                         }
 175
 176                         if(aNewLineGeometry.count())
 177                         {
 178                             const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
 179                                 aNewLineGeometry, getTransform(), getSdrLFSAttribute().getLine()));
 180                             appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
 181                         }
 182                     }
 183                     else
 184                     {
 185                         // extract line geometry from slices
 186                         const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
 187                         const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector));
 188
 189                         // add horizontal lines
 190                         const Primitive3DSequence aHorLines(create3DPolyPolygonLinePrimitives(
 191                             aHorLine, getTransform(), getSdrLFSAttribute().getLine()));
 192                         appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aHorLines);
 193
 194                         // add vertical lines
 195                         const Primitive3DSequence aVerLines(create3DPolyPolygonLinePrimitives(
 196                             aVerLine, getTransform(), getSdrLFSAttribute().getLine()));
 197                         appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aVerLines);
 198                     }
 199                 }
 200
 201                 // add shadow
 202                 if(!getSdrLFSAttribute().getShadow().isDefault()
 203                     && aRetval.hasElements())
 204                 {
 205                     const Primitive3DSequence aShadow(createShadowPrimitive3D(
 206                         aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
 207                     appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aShadow);
 208                 }
 209             }
 210
 211             return aRetval;
 212         }
 213
 214         void SdrLathePrimitive3D::impCreateSlices()
 215         {
 216             // prepare the polygon. No double points, correct orientations and a correct
 217             // outmost polygon are needed
 218             maCorrectedPolyPolygon = basegfx::tools::adaptiveSubdivideByAngle(getPolyPolygon());
 219             maCorrectedPolyPolygon.removeDoublePoints();
 220             maCorrectedPolyPolygon = basegfx::tools::correctOrientations(maCorrectedPolyPolygon);
 221             maCorrectedPolyPolygon = basegfx::tools::correctOutmostPolygon(maCorrectedPolyPolygon);
 222
 223             // check edge count of first sub-polygon. If different, reSegment polyPolygon. This ensures
 224             // that for polyPolygons, the subPolys 1..n only get reSegmented when polygon 0L is different
 225             // at all (and not always)
 226             const basegfx::B2DPolygon aSubCandidate(maCorrectedPolyPolygon.getB2DPolygon(0));
 227             const sal_uInt32 nSubEdgeCount(aSubCandidate.isClosed() ? aSubCandidate.count() : (aSubCandidate.count() ? aSubCandidate.count() - 1L : 0L));
 228
 229             if(nSubEdgeCount != getVerticalSegments())
 230             {
 231                 maCorrectedPolyPolygon = basegfx::tools::reSegmentPolyPolygon(maCorrectedPolyPolygon, getVerticalSegments());
 232             }
 233
 234             // prepare slices as geometry
 235             createLatheSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getRotation(), getHorizontalSegments(), getCharacterMode(), getCloseFront(), getCloseBack());
 236         }
 237
 238         const Slice3DVector& SdrLathePrimitive3D::getSlices() const
 239         {
 240             // This can be made dependent of  getSdrLFSAttribute().getFill() and getSdrLFSAttribute().getLine()
 241             // again when no longer geometry is needed for non-visible 3D objects as it is now for chart
 242             if(getPolyPolygon().count() && !maSlices.size())
 243             {
 244                 ::osl::Mutex m_mutex;
 245                 const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices();
 246             }
 247
 248             return maSlices;
 249         }
 250
 251         SdrLathePrimitive3D::SdrLathePrimitive3D(
 252             const basegfx::B3DHomMatrix& rTransform,
 253             const basegfx::B2DVector& rTextureSize,
 254             const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
 255             const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
 256             const basegfx::B2DPolyPolygon& rPolyPolygon,
 257             sal_uInt32 nHorizontalSegments,
 258             sal_uInt32 nVerticalSegments,
 259             double fDiagonal,
 260             double fBackScale,
 261             double fRotation,
 262             bool bSmoothNormals,
 263             bool bSmoothHorizontalNormals,
 264             bool bSmoothLids,
 265             bool bCharacterMode,
 266             bool bCloseFront,
 267             bool bCloseBack)
 268         :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
 269             maCorrectedPolyPolygon(),
 270             maSlices(),
 271             maPolyPolygon(rPolyPolygon),
 272             mnHorizontalSegments(nHorizontalSegments),
 273             mnVerticalSegments(nVerticalSegments),
 274             mfDiagonal(fDiagonal),
 275             mfBackScale(fBackScale),
 276             mfRotation(fRotation),
 277             mpLastRLGViewInformation(0),
 278             mbSmoothNormals(bSmoothNormals),
 279             mbSmoothHorizontalNormals(bSmoothHorizontalNormals),
 280             mbSmoothLids(bSmoothLids),
 281             mbCharacterMode(bCharacterMode),
 282             mbCloseFront(bCloseFront),
 283             mbCloseBack(bCloseBack)
 284         {
 285             // make sure Rotation is positive
 286             if(basegfx::fTools::lessOrEqual(getRotation(), 0.0))
 287             {
 288                 mfRotation = 0.0;
 289             }
 290
 291             // make sure the percentage value getDiagonal() is between 0.0 and 1.0
 292             if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0))
 293             {
 294                 mfDiagonal = 0.0;
 295             }
 296             else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0))
 297             {
 298                 mfDiagonal = 1.0;
 299             }
 300
 301             // no close front/back when polygon is not closed
 302             if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0L).isClosed())
 303             {
 304                 mbCloseFront = mbCloseBack = false;
 305             }
 306
 307             // no edge rounding when not closing
 308             if(!getCloseFront() && !getCloseBack())
 309             {
 310                 mfDiagonal = 0.0;
 311             }
 312         }
 313
 314         SdrLathePrimitive3D::~SdrLathePrimitive3D()
 315         {
 316             if(mpLastRLGViewInformation)
 317             {
 318                 delete mpLastRLGViewInformation;
 319             }
 320         }
 321
 322         bool SdrLathePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
 323         {
 324             if(SdrPrimitive3D::operator==(rPrimitive))
 325             {
 326                 const SdrLathePrimitive3D& rCompare = static_cast< const SdrLathePrimitive3D& >(rPrimitive);
 327
 328                 return (getPolyPolygon() == rCompare.getPolyPolygon()
 329                     && getHorizontalSegments() == rCompare.getHorizontalSegments()
 330                     && getVerticalSegments() == rCompare.getVerticalSegments()
 331                     && getDiagonal() == rCompare.getDiagonal()
 332                     && getBackScale() == rCompare.getBackScale()
 333                     && getRotation() == rCompare.getRotation()
 334                     && getSmoothNormals() == rCompare.getSmoothNormals()
 335                     && getSmoothHorizontalNormals() == rCompare.getSmoothHorizontalNormals()
 336                     && getSmoothLids() == rCompare.getSmoothLids()
 337                     && getCharacterMode() == rCompare.getCharacterMode()
 338                     && getCloseFront() == rCompare.getCloseFront()
 339                     && getCloseBack() == rCompare.getCloseBack());
 340             }
 341
 342             return false;
 343         }
 344
 345         basegfx::B3DRange SdrLathePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
 346         {
 347             // use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
 348             // The parent implementation which uses the ranges of the decomposition would be more
 349             // corrcet, but for historical reasons it is necessary to do the old method: To get
 350             // the range of the non-transformed geometry and transform it then. This leads to different
 351             // ranges where the new method is more correct, but the need to keep the old behaviour
 352             // has priority here.
 353             return get3DRangeFromSlices(getSlices());
 354         }
 355
 356         Primitive3DSequence SdrLathePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
 357         {
 358             if(getSdr3DObjectAttribute().getReducedLineGeometry())
 359             {
 360                 if(!mpLastRLGViewInformation ||
 361                     (getBuffered3DDecomposition().hasElements()
 362                         && *mpLastRLGViewInformation != rViewInformation))
 363                 {
 364                     // conditions of last local decomposition with reduced lines have changed. Remember
 365                     // new one and clear current decompositiopn
 366                     ::osl::Mutex m_mutex;
 367                     SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this);
 368                     pThat->setBuffered3DDecomposition(Primitive3DSequence());
 369                     delete pThat->mpLastRLGViewInformation;
 370                     pThat->mpLastRLGViewInformation = new geometry::ViewInformation3D(rViewInformation);
 371                 }
 372             }
 373
 374             // no test for buffering needed, call parent
 375             return SdrPrimitive3D::get3DDecomposition(rViewInformation);
 376         }
 377
 378         // provide unique ID
 379         ImplPrimitrive3DIDBlock(SdrLathePrimitive3D, PRIMITIVE3D_ID_SDRLATHEPRIMITIVE3D)
 380
 381     } // end of namespace primitive3d
 382 } // end of namespace drawinglayer
 383
 384 //////////////////////////////////////////////////////////////////////////////
 385 // eof
 386
 387 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */