drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  19
  20 #include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>
  21 #include <basegfx/matrix/b2dhommatrix.hxx>
  22 #include <basegfx/polygon/b2dpolygontools.hxx>
  23 #include <basegfx/polygon/b3dpolypolygontools.hxx>
  24 #include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
  25 #include <basegfx/tools/canvastools.hxx>
  26 #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
  27 #include <drawinglayer/geometry/viewinformation3d.hxx>
  28 #include <drawinglayer/attribute/sdrfillattribute.hxx>
  29 #include <drawinglayer/attribute/sdrlineattribute.hxx>
  30 #include <drawinglayer/attribute/sdrshadowattribute.hxx>
  31
  32 //////////////////////////////////////////////////////////////////////////////
  33
  34 using namespace com::sun::star;
  35
  36 //////////////////////////////////////////////////////////////////////////////
  37
  38 namespace drawinglayer
  39 {
  40     namespace primitive3d
  41     {
  42         Primitive3DSequence SdrLathePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
  43         {
  44             Primitive3DSequence aRetval;
  45
  46             // get slices
  47             const Slice3DVector& rSliceVector = getSlices();
  48
  49             if(!rSliceVector.empty())
  50             {
  51                 const bool bBackScale(!basegfx::fTools::equal(getBackScale(), 1.0));
  52                 const bool bClosedRotation(!bBackScale && getHorizontalSegments() && basegfx::fTools::equal(getRotation(), F_2PI));
  53                 sal_uInt32 a;
  54
  55                 // decide what to create
  56                 const ::com::sun::star::drawing::NormalsKind eNormalsKind(getSdr3DObjectAttribute().getNormalsKind());
  57                 const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == eNormalsKind);
  58                 const bool bCreateTextureCoordiantesX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
  59                 const bool bCreateTextureCoordiantesY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
  60                 basegfx::B2DHomMatrix aTexTransform;
  61
  62                 if(!getSdrLFSAttribute().getFill().isDefault()
  63                     && (bCreateTextureCoordiantesX || bCreateTextureCoordiantesY))
  64                 {
  65                     aTexTransform.set(0, 0, 0.0);
  66                     aTexTransform.set(0, 1, 1.0);
  67                     aTexTransform.set(1, 0, 1.0);
  68                     aTexTransform.set(1, 1, 0.0);
  69
  70                     aTexTransform.translate(0.0, -0.5);
  71                     aTexTransform.scale(1.0, -1.0);
  72                     aTexTransform.translate(0.0, 0.5);
  73                 }
  74
  75                 // create geometry
  76                 ::std::vector< basegfx::B3DPolyPolygon > aFill;
  77                 extractPlanesFromSlice(aFill, rSliceVector,
  78                     bCreateNormals, getSmoothHorizontalNormals(), getSmoothNormals(), getSmoothLids(), bClosedRotation,
  79                     0.85, 0.6, bCreateTextureCoordiantesX || bCreateTextureCoordiantesY, aTexTransform);
  80
  81                 // get full range
  82                 const basegfx::B3DRange aRange(getRangeFrom3DGeometry(aFill));
  83
  84                 // normal creation
  85                 if(!getSdrLFSAttribute().getFill().isDefault())
  86                 {
  87                     if(::com::sun::star::drawing::NormalsKind_SPHERE == eNormalsKind)
  88                     {
  89                         applyNormalsKindSphereTo3DGeometry(aFill, aRange);
  90                     }
  91                     else if(::com::sun::star::drawing::NormalsKind_FLAT == eNormalsKind)
  92                     {
  93                         applyNormalsKindFlatTo3DGeometry(aFill);
  94                     }
  95
  96                     if(getSdr3DObjectAttribute().getNormalsInvert())
  97                     {
  98                         applyNormalsInvertTo3DGeometry(aFill);
  99                     }
 100                 }
 101
 102                 // texture coordinates
 103                 if(!getSdrLFSAttribute().getFill().isDefault())
 104                 {
 105                     applyTextureTo3DGeometry(
 106                         getSdr3DObjectAttribute().getTextureProjectionX(),
 107                         getSdr3DObjectAttribute().getTextureProjectionY(),
 108                         aFill,
 109                         aRange,
 110                         getTextureSize());
 111                 }
 112
 113                 if(!getSdrLFSAttribute().getFill().isDefault())
 114                 {
 115                     // add fill
 116                     aRetval = create3DPolyPolygonFillPrimitives(
 117                         aFill,
 118                         getTransform(),
 119                         getTextureSize(),
 120                         getSdr3DObjectAttribute(),
 121                         getSdrLFSAttribute().getFill(),
 122                         getSdrLFSAttribute().getFillFloatTransGradient());
 123                 }
 124                 else
 125                 {
 126                     // create simplified 3d hit test geometry
 127                     aRetval = createHiddenGeometryPrimitives3D(
 128                         aFill,
 129                         getTransform(),
 130                         getTextureSize(),
 131                         getSdr3DObjectAttribute());
 132                 }
 133
 134                 // add line
 135                 if(!getSdrLFSAttribute().getLine().isDefault())
 136                 {
 137                     if(getSdr3DObjectAttribute().getReducedLineGeometry())
 138                     {
 139                         // create geometric outlines with reduced line geometry for chart
 140                         const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
 141                         const sal_uInt32 nCount(aHorLine.count());
 142                         basegfx::B3DPolyPolygon aNewLineGeometry;
 143
 144                         for(a = 1; a < nCount; a++)
 145                         {
 146                             // for each loop pair create the connection edges
 147                             createReducedOutlines(
 148                                 rViewInformation,
 149                                 getTransform(),
 150                                 aHorLine.getB3DPolygon(a - 1),
 151                                 aHorLine.getB3DPolygon(a),
 152                                 aNewLineGeometry);
 153                         }
 154
 155                         for(a = 0; a < nCount; a++)
 156                         {
 157                             // filter hor lines for empty loops (those who have their defining point on the Y-Axis)
 158                             basegfx::B3DPolygon aCandidate(aHorLine.getB3DPolygon(a));
 159                             aCandidate.removeDoublePoints();
 160
 161                             if(aCandidate.count())
 162                             {
 163                                 aNewLineGeometry.append(aCandidate);
 164                             }
 165                         }
 166
 167                         if(aNewLineGeometry.count())
 168                         {
 169                             const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
 170                                 aNewLineGeometry, getTransform(), getSdrLFSAttribute().getLine()));
 171                             appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
 172                         }
 173                     }
 174                     else
 175                     {
 176                         // extract line geometry from slices
 177                         const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
 178                         const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector));
 179
 180                         // add horizontal lines
 181                         const Primitive3DSequence aHorLines(create3DPolyPolygonLinePrimitives(
 182                             aHorLine, getTransform(), getSdrLFSAttribute().getLine()));
 183                         appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aHorLines);
 184
 185                         // add vertical lines
 186                         const Primitive3DSequence aVerLines(create3DPolyPolygonLinePrimitives(
 187                             aVerLine, getTransform(), getSdrLFSAttribute().getLine()));
 188                         appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aVerLines);
 189                     }
 190                 }
 191
 192                 // add shadow
 193                 if(!getSdrLFSAttribute().getShadow().isDefault()
 194                     && aRetval.hasElements())
 195                 {
 196                     const Primitive3DSequence aShadow(createShadowPrimitive3D(
 197                         aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
 198                     appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aShadow);
 199                 }
 200             }
 201
 202             return aRetval;
 203         }
 204
 205         void SdrLathePrimitive3D::impCreateSlices()
 206         {
 207             // prepare the polygon. No double points, correct orientations and a correct
 208             // outmost polygon are needed
 209             // Also important: subdivide here to ensure equal point count for all slices (!)
 210             maCorrectedPolyPolygon = basegfx::tools::adaptiveSubdivideByAngle(getPolyPolygon());
 211             maCorrectedPolyPolygon.removeDoublePoints();
 212             maCorrectedPolyPolygon = basegfx::tools::correctOrientations(maCorrectedPolyPolygon);
 213             maCorrectedPolyPolygon = basegfx::tools::correctOutmostPolygon(maCorrectedPolyPolygon);
 214
 215             // check edge count of first sub-polygon. If different, reSegment polyPolygon. This ensures
 216             // that for polyPolygons, the subPolys 1..n only get reSegmented when polygon 0L is different
 217             // at all (and not always)
 218             const basegfx::B2DPolygon aSubCandidate(maCorrectedPolyPolygon.getB2DPolygon(0));
 219             const sal_uInt32 nSubEdgeCount(aSubCandidate.isClosed() ? aSubCandidate.count() : (aSubCandidate.count() ? aSubCandidate.count() - 1L : 0L));
 220
 221             if(nSubEdgeCount != getVerticalSegments())
 222             {
 223                 maCorrectedPolyPolygon = basegfx::tools::reSegmentPolyPolygon(maCorrectedPolyPolygon, getVerticalSegments());
 224             }
 225
 226             // prepare slices as geometry
 227             createLatheSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getRotation(), getHorizontalSegments(), getCharacterMode(), getCloseFront(), getCloseBack());
 228         }
 229
 230         const Slice3DVector& SdrLathePrimitive3D::getSlices() const
 231         {
 232             // This can be made dependent of  getSdrLFSAttribute().getFill() and getSdrLFSAttribute().getLine()
 233             // again when no longer geometry is needed for non-visible 3D objects as it is now for chart
 234             if(getPolyPolygon().count() && !maSlices.size())
 235             {
 236                 const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices();
 237             }
 238
 239             return maSlices;
 240         }
 241
 242         SdrLathePrimitive3D::SdrLathePrimitive3D(
 243             const basegfx::B3DHomMatrix& rTransform,
 244             const basegfx::B2DVector& rTextureSize,
 245             const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
 246             const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
 247             const basegfx::B2DPolyPolygon& rPolyPolygon,
 248             sal_uInt32 nHorizontalSegments,
 249             sal_uInt32 nVerticalSegments,
 250             double fDiagonal,
 251             double fBackScale,
 252             double fRotation,
 253             bool bSmoothNormals,
 254             bool bSmoothHorizontalNormals,
 255             bool bSmoothLids,
 256             bool bCharacterMode,
 257             bool bCloseFront,
 258             bool bCloseBack)
 259         :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
 260             maCorrectedPolyPolygon(),
 261             maSlices(),
 262             maPolyPolygon(rPolyPolygon),
 263             mnHorizontalSegments(nHorizontalSegments),
 264             mnVerticalSegments(nVerticalSegments),
 265             mfDiagonal(fDiagonal),
 266             mfBackScale(fBackScale),
 267             mfRotation(fRotation),
 268             mpLastRLGViewInformation(0),
 269             mbSmoothNormals(bSmoothNormals),
 270             mbSmoothHorizontalNormals(bSmoothHorizontalNormals),
 271             mbSmoothLids(bSmoothLids),
 272             mbCharacterMode(bCharacterMode),
 273             mbCloseFront(bCloseFront),
 274             mbCloseBack(bCloseBack)
 275         {
 276             // make sure Rotation is positive
 277             if(basegfx::fTools::lessOrEqual(getRotation(), 0.0))
 278             {
 279                 mfRotation = 0.0;
 280             }
 281
 282             // make sure the percentage value getDiagonal() is between 0.0 and 1.0
 283             if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0))
 284             {
 285                 mfDiagonal = 0.0;
 286             }
 287             else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0))
 288             {
 289                 mfDiagonal = 1.0;
 290             }
 291
 292             // no close front/back when polygon is not closed
 293             if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0L).isClosed())
 294             {
 295                 mbCloseFront = mbCloseBack = false;
 296             }
 297
 298             // no edge rounding when not closing
 299             if(!getCloseFront() && !getCloseBack())
 300             {
 301                 mfDiagonal = 0.0;
 302             }
 303         }
 304
 305         SdrLathePrimitive3D::~SdrLathePrimitive3D()
 306         {
 307             if(mpLastRLGViewInformation)
 308             {
 309                 delete mpLastRLGViewInformation;
 310             }
 311         }
 312
 313         bool SdrLathePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
 314         {
 315             if(SdrPrimitive3D::operator==(rPrimitive))
 316             {
 317                 const SdrLathePrimitive3D& rCompare = static_cast< const SdrLathePrimitive3D& >(rPrimitive);
 318
 319                 return (getPolyPolygon() == rCompare.getPolyPolygon()
 320                     && getHorizontalSegments() == rCompare.getHorizontalSegments()
 321                     && getVerticalSegments() == rCompare.getVerticalSegments()
 322                     && getDiagonal() == rCompare.getDiagonal()
 323                     && getBackScale() == rCompare.getBackScale()
 324                     && getRotation() == rCompare.getRotation()
 325                     && getSmoothNormals() == rCompare.getSmoothNormals()
 326                     && getSmoothHorizontalNormals() == rCompare.getSmoothHorizontalNormals()
 327                     && getSmoothLids() == rCompare.getSmoothLids()
 328                     && getCharacterMode() == rCompare.getCharacterMode()
 329                     && getCloseFront() == rCompare.getCloseFront()
 330                     && getCloseBack() == rCompare.getCloseBack());
 331             }
 332
 333             return false;
 334         }
 335
 336         basegfx::B3DRange SdrLathePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
 337         {
 338             // use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
 339             // The parent implementation which uses the ranges of the decomposition would be more
 340             // corrcet, but for historical reasons it is necessary to do the old method: To get
 341             // the range of the non-transformed geometry and transform it then. This leads to different
 342             // ranges where the new method is more correct, but the need to keep the old behaviour
 343             // has priority here.
 344             return get3DRangeFromSlices(getSlices());
 345         }
 346
 347         Primitive3DSequence SdrLathePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
 348         {
 349             if(getSdr3DObjectAttribute().getReducedLineGeometry())
 350             {
 351                 if(!mpLastRLGViewInformation ||
 352                     (getBuffered3DDecomposition().hasElements()
 353                         && *mpLastRLGViewInformation != rViewInformation))
 354                 {
 355                     // conditions of last local decomposition with reduced lines have changed. Remember
 356                     // new one and clear current decompositiopn
 357                     SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this);
 358                     pThat->setBuffered3DDecomposition(Primitive3DSequence());
 359                     delete pThat->mpLastRLGViewInformation;
 360                     pThat->mpLastRLGViewInformation = new geometry::ViewInformation3D(rViewInformation);
 361                 }
 362             }
 363
 364             // no test for buffering needed, call parent
 365             return SdrPrimitive3D::get3DDecomposition(rViewInformation);
 366         }
 367
 368         // provide unique ID
 369         ImplPrimitive3DIDBlock(SdrLathePrimitive3D, PRIMITIVE3D_ID_SDRLATHEPRIMITIVE3D)
 370
 371     } // end of namespace primitive3d
 372 } // end of namespace drawinglayer
 373
 374 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */