xref: /trunk/main/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_drawinglayer.hxx"
30 
31 #include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>
32 #include <basegfx/matrix/b2dhommatrix.hxx>
33 #include <basegfx/polygon/b2dpolygontools.hxx>
34 #include <basegfx/polygon/b3dpolypolygontools.hxx>
35 #include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
36 #include <basegfx/tools/canvastools.hxx>
37 #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
38 #include <drawinglayer/geometry/viewinformation3d.hxx>
39 #include <drawinglayer/attribute/sdrfillattribute.hxx>
40 #include <drawinglayer/attribute/sdrlineattribute.hxx>
41 #include <drawinglayer/attribute/sdrshadowattribute.hxx>
42 
43 //////////////////////////////////////////////////////////////////////////////
44 
45 using namespace com::sun::star;
46 
47 //////////////////////////////////////////////////////////////////////////////
48 
49 namespace drawinglayer
50 {
51     namespace primitive3d
52     {
53         Primitive3DSequence SdrLathePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
54         {
55             Primitive3DSequence aRetval;
56 
57             // get slices
58             const Slice3DVector& rSliceVector = getSlices();
59 
60             if(rSliceVector.size())
61             {
62                 const bool bBackScale(!basegfx::fTools::equal(getBackScale(), 1.0));
63                 const bool bClosedRotation(!bBackScale && getHorizontalSegments() && basegfx::fTools::equal(getRotation(), F_2PI));
64                 sal_uInt32 a;
65 
66                 // decide what to create
67                 const ::com::sun::star::drawing::NormalsKind eNormalsKind(getSdr3DObjectAttribute().getNormalsKind());
68                 const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == eNormalsKind);
69                 const bool bCreateTextureCoordiantesX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
70                 const bool bCreateTextureCoordiantesY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
71                 basegfx::B2DHomMatrix aTexTransform;
72 
73                 if(!getSdrLFSAttribute().getFill().isDefault()
74                     && (bCreateTextureCoordiantesX || bCreateTextureCoordiantesY))
75                 {
76                     aTexTransform.set(0, 0, 0.0);
77                     aTexTransform.set(0, 1, 1.0);
78                     aTexTransform.set(1, 0, 1.0);
79                     aTexTransform.set(1, 1, 0.0);
80 
81                     aTexTransform.translate(0.0, -0.5);
82                     aTexTransform.scale(1.0, -1.0);
83                     aTexTransform.translate(0.0, 0.5);
84                 }
85 
86                 // create geometry
87                 ::std::vector< basegfx::B3DPolyPolygon > aFill;
88                 extractPlanesFromSlice(aFill, rSliceVector,
89                     bCreateNormals, getSmoothHorizontalNormals(), getSmoothNormals(), getSmoothLids(), bClosedRotation,
90                     0.85, 0.6, bCreateTextureCoordiantesX || bCreateTextureCoordiantesY, aTexTransform);
91 
92                 // get full range
93                 const basegfx::B3DRange aRange(getRangeFrom3DGeometry(aFill));
94 
95                 // normal creation
96                 if(!getSdrLFSAttribute().getFill().isDefault())
97                 {
98                     if(::com::sun::star::drawing::NormalsKind_SPHERE == eNormalsKind)
99                     {
100                         applyNormalsKindSphereTo3DGeometry(aFill, aRange);
101                     }
102                     else if(::com::sun::star::drawing::NormalsKind_FLAT == eNormalsKind)
103                     {
104                         applyNormalsKindFlatTo3DGeometry(aFill);
105                     }
106 
107                     if(getSdr3DObjectAttribute().getNormalsInvert())
108                     {
109                         applyNormalsInvertTo3DGeometry(aFill);
110                     }
111                 }
112 
113                 // texture coordinates
114                 if(!getSdrLFSAttribute().getFill().isDefault())
115                 {
116                     applyTextureTo3DGeometry(
117                         getSdr3DObjectAttribute().getTextureProjectionX(),
118                         getSdr3DObjectAttribute().getTextureProjectionY(),
119                         aFill,
120                         aRange,
121                         getTextureSize());
122                 }
123 
124                 if(!getSdrLFSAttribute().getFill().isDefault())
125                 {
126                     // add fill
127                     aRetval = create3DPolyPolygonFillPrimitives(
128                         aFill,
129                         getTransform(),
130                         getTextureSize(),
131                         getSdr3DObjectAttribute(),
132                         getSdrLFSAttribute().getFill(),
133                         getSdrLFSAttribute().getFillFloatTransGradient());
134                 }
135                 else
136                 {
137                     // create simplified 3d hit test geometry
138                     aRetval = createHiddenGeometryPrimitives3D(
139                         aFill,
140                         getTransform(),
141                         getTextureSize(),
142                         getSdr3DObjectAttribute());
143                 }
144 
145                 // add line
146                 if(!getSdrLFSAttribute().getLine().isDefault())
147                 {
148                     if(getSdr3DObjectAttribute().getReducedLineGeometry())
149                     {
150                         // create geometric outlines with reduced line geometry for chart
151                         const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
152                         const sal_uInt32 nCount(aHorLine.count());
153                         basegfx::B3DPolyPolygon aNewLineGeometry;
154 
155                         for(a = 1; a < nCount; a++)
156                         {
157                             // for each loop pair create the connection edges
158                             createReducedOutlines(
159                                 rViewInformation,
160                                 getTransform(),
161                                 aHorLine.getB3DPolygon(a - 1),
162                                 aHorLine.getB3DPolygon(a),
163                                 aNewLineGeometry);
164                         }
165 
166                         for(a = 0; a < nCount; a++)
167                         {
168                             // filter hor lines for empty loops (those who have their defining point on the Y-Axis)
169                             basegfx::B3DPolygon aCandidate(aHorLine.getB3DPolygon(a));
170                             aCandidate.removeDoublePoints();
171 
172                             if(aCandidate.count())
173                             {
174                                 aNewLineGeometry.append(aCandidate);
175                             }
176                         }
177 
178                         if(aNewLineGeometry.count())
179                         {
180                             const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
181                                 aNewLineGeometry, getTransform(), getSdrLFSAttribute().getLine()));
182                             appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
183                         }
184                     }
185                     else
186                     {
187                         // extract line geometry from slices
188                         const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
189                         const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector));
190 
191                         // add horizontal lines
192                         const Primitive3DSequence aHorLines(create3DPolyPolygonLinePrimitives(
193                             aHorLine, getTransform(), getSdrLFSAttribute().getLine()));
194                         appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aHorLines);
195 
196                         // add vertical lines
197                         const Primitive3DSequence aVerLines(create3DPolyPolygonLinePrimitives(
198                             aVerLine, getTransform(), getSdrLFSAttribute().getLine()));
199                         appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aVerLines);
200                     }
201                 }
202 
203                 // add shadow
204                 if(!getSdrLFSAttribute().getShadow().isDefault()
205                     && aRetval.hasElements())
206                 {
207                     const Primitive3DSequence aShadow(createShadowPrimitive3D(
208                         aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
209                     appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aShadow);
210                 }
211             }
212 
213             return aRetval;
214         }
215 
216         void SdrLathePrimitive3D::impCreateSlices()
217         {
218             // prepare the polygon. No double points, correct orientations and a correct
219             // outmost polygon are needed
220             maCorrectedPolyPolygon = basegfx::tools::adaptiveSubdivideByAngle(getPolyPolygon());
221             maCorrectedPolyPolygon.removeDoublePoints();
222             maCorrectedPolyPolygon = basegfx::tools::correctOrientations(maCorrectedPolyPolygon);
223             maCorrectedPolyPolygon = basegfx::tools::correctOutmostPolygon(maCorrectedPolyPolygon);
224 
225             // check edge count of first sub-polygon. If different, reSegment polyPolygon. This ensures
226             // that for polyPolygons, the subPolys 1..n only get reSegmented when polygon 0L is different
227             // at all (and not always)
228             const basegfx::B2DPolygon aSubCandidate(maCorrectedPolyPolygon.getB2DPolygon(0));
229             const sal_uInt32 nSubEdgeCount(aSubCandidate.isClosed() ? aSubCandidate.count() : (aSubCandidate.count() ? aSubCandidate.count() - 1L : 0L));
230 
231             if(nSubEdgeCount != getVerticalSegments())
232             {
233                 maCorrectedPolyPolygon = basegfx::tools::reSegmentPolyPolygon(maCorrectedPolyPolygon, getVerticalSegments());
234             }
235 
236             // prepare slices as geometry
237             createLatheSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getRotation(), getHorizontalSegments(), getCharacterMode(), getCloseFront(), getCloseBack());
238         }
239 
240         const Slice3DVector& SdrLathePrimitive3D::getSlices() const
241         {
242             // This can be made dependent of  getSdrLFSAttribute().getFill() and getSdrLFSAttribute().getLine()
243             // again when no longer geometry is needed for non-visible 3D objects as it is now for chart
244             if(getPolyPolygon().count() && !maSlices.size())
245             {
246                 ::osl::Mutex m_mutex;
247                 const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices();
248             }
249 
250             return maSlices;
251         }
252 
253         SdrLathePrimitive3D::SdrLathePrimitive3D(
254             const basegfx::B3DHomMatrix& rTransform,
255             const basegfx::B2DVector& rTextureSize,
256             const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
257             const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
258             const basegfx::B2DPolyPolygon& rPolyPolygon,
259             sal_uInt32 nHorizontalSegments,
260             sal_uInt32 nVerticalSegments,
261             double fDiagonal,
262             double fBackScale,
263             double fRotation,
264             bool bSmoothNormals,
265             bool bSmoothHorizontalNormals,
266             bool bSmoothLids,
267             bool bCharacterMode,
268             bool bCloseFront,
269             bool bCloseBack)
270         :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
271             maCorrectedPolyPolygon(),
272             maSlices(),
273             maPolyPolygon(rPolyPolygon),
274             mnHorizontalSegments(nHorizontalSegments),
275             mnVerticalSegments(nVerticalSegments),
276             mfDiagonal(fDiagonal),
277             mfBackScale(fBackScale),
278             mfRotation(fRotation),
279             mpLastRLGViewInformation(0),
280             mbSmoothNormals(bSmoothNormals),
281             mbSmoothHorizontalNormals(bSmoothHorizontalNormals),
282             mbSmoothLids(bSmoothLids),
283             mbCharacterMode(bCharacterMode),
284             mbCloseFront(bCloseFront),
285             mbCloseBack(bCloseBack)
286         {
287             // make sure Rotation is positive
288             if(basegfx::fTools::lessOrEqual(getRotation(), 0.0))
289             {
290                 mfRotation = 0.0;
291             }
292 
293             // make sure the percentage value getDiagonal() is between 0.0 and 1.0
294             if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0))
295             {
296                 mfDiagonal = 0.0;
297             }
298             else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0))
299             {
300                 mfDiagonal = 1.0;
301             }
302 
303             // no close front/back when polygon is not closed
304             if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0L).isClosed())
305             {
306                 mbCloseFront = mbCloseBack = false;
307             }
308 
309             // no edge rounding when not closing
310             if(!getCloseFront() && !getCloseBack())
311             {
312                 mfDiagonal = 0.0;
313             }
314         }
315 
316         SdrLathePrimitive3D::~SdrLathePrimitive3D()
317         {
318             if(mpLastRLGViewInformation)
319             {
320                 delete mpLastRLGViewInformation;
321             }
322         }
323 
324         bool SdrLathePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
325         {
326             if(SdrPrimitive3D::operator==(rPrimitive))
327             {
328                 const SdrLathePrimitive3D& rCompare = static_cast< const SdrLathePrimitive3D& >(rPrimitive);
329 
330                 return (getPolyPolygon() == rCompare.getPolyPolygon()
331                     && getHorizontalSegments() == rCompare.getHorizontalSegments()
332                     && getVerticalSegments() == rCompare.getVerticalSegments()
333                     && getDiagonal() == rCompare.getDiagonal()
334                     && getBackScale() == rCompare.getBackScale()
335                     && getRotation() == rCompare.getRotation()
336                     && getSmoothNormals() == rCompare.getSmoothNormals()
337                     && getSmoothHorizontalNormals() == rCompare.getSmoothHorizontalNormals()
338                     && getSmoothLids() == rCompare.getSmoothLids()
339                     && getCharacterMode() == rCompare.getCharacterMode()
340                     && getCloseFront() == rCompare.getCloseFront()
341                     && getCloseBack() == rCompare.getCloseBack());
342             }
343 
344             return false;
345         }
346 
347         basegfx::B3DRange SdrLathePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
348         {
349             // use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
350             // The parent implementation which uses the ranges of the decomposition would be more
351             // corrcet, but for historical reasons it is necessary to do the old method: To get
352             // the range of the non-transformed geometry and transform it then. This leads to different
353             // ranges where the new method is more correct, but the need to keep the old behaviour
354             // has priority here.
355             return get3DRangeFromSlices(getSlices());
356         }
357 
358         Primitive3DSequence SdrLathePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
359         {
360             if(getSdr3DObjectAttribute().getReducedLineGeometry())
361             {
362                 if(!mpLastRLGViewInformation ||
363                     (getBuffered3DDecomposition().hasElements()
364                         && *mpLastRLGViewInformation != rViewInformation))
365                 {
366                     // conditions of last local decomposition with reduced lines have changed. Remember
367                     // new one and clear current decompositiopn
368                     ::osl::Mutex m_mutex;
369                     SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this);
370                     pThat->setBuffered3DDecomposition(Primitive3DSequence());
371                     delete pThat->mpLastRLGViewInformation;
372                     pThat->mpLastRLGViewInformation = new geometry::ViewInformation3D(rViewInformation);
373                 }
374             }
375 
376             // no test for buffering needed, call parent
377             return SdrPrimitive3D::get3DDecomposition(rViewInformation);
378         }
379 
380         // provide unique ID
381         ImplPrimitrive3DIDBlock(SdrLathePrimitive3D, PRIMITIVE3D_ID_SDRLATHEPRIMITIVE3D)
382 
383     } // end of namespace primitive3d
384 } // end of namespace drawinglayer
385 
386 //////////////////////////////////////////////////////////////////////////////
387 // eof
388