xref: /AOO41X/main/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx (revision 8809db7a87f97847b57a57f4cd2b0104b2b83182)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_drawinglayer.hxx"
26 
27 #include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>
28 #include <basegfx/matrix/b2dhommatrix.hxx>
29 #include <basegfx/polygon/b2dpolygontools.hxx>
30 #include <basegfx/polygon/b3dpolypolygontools.hxx>
31 #include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
32 #include <basegfx/tools/canvastools.hxx>
33 #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
34 #include <drawinglayer/geometry/viewinformation3d.hxx>
35 #include <drawinglayer/attribute/sdrfillattribute.hxx>
36 #include <drawinglayer/attribute/sdrlineattribute.hxx>
37 #include <drawinglayer/attribute/sdrshadowattribute.hxx>
38 
39 //////////////////////////////////////////////////////////////////////////////
40 
41 using namespace com::sun::star;
42 
43 //////////////////////////////////////////////////////////////////////////////
44 
45 namespace drawinglayer
46 {
47     namespace primitive3d
48     {
49         Primitive3DSequence SdrLathePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
50         {
51             Primitive3DSequence aRetval;
52 
53             // get slices
54             const Slice3DVector& rSliceVector = getSlices();
55 
56             if(rSliceVector.size())
57             {
58                 const bool bBackScale(!basegfx::fTools::equal(getBackScale(), 1.0));
59                 const bool bClosedRotation(!bBackScale && getHorizontalSegments() && basegfx::fTools::equal(getRotation(), F_2PI));
60                 sal_uInt32 a;
61 
62                 // decide what to create
63                 const ::com::sun::star::drawing::NormalsKind eNormalsKind(getSdr3DObjectAttribute().getNormalsKind());
64                 const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == eNormalsKind);
65                 const bool bCreateTextureCoordiantesX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
66                 const bool bCreateTextureCoordiantesY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
67                 basegfx::B2DHomMatrix aTexTransform;
68 
69                 if(!getSdrLFSAttribute().getFill().isDefault()
70                     && (bCreateTextureCoordiantesX || bCreateTextureCoordiantesY))
71                 {
72                     aTexTransform.set(0, 0, 0.0);
73                     aTexTransform.set(0, 1, 1.0);
74                     aTexTransform.set(1, 0, 1.0);
75                     aTexTransform.set(1, 1, 0.0);
76 
77                     aTexTransform.translate(0.0, -0.5);
78                     aTexTransform.scale(1.0, -1.0);
79                     aTexTransform.translate(0.0, 0.5);
80                 }
81 
82                 // create geometry
83                 ::std::vector< basegfx::B3DPolyPolygon > aFill;
84                 extractPlanesFromSlice(aFill, rSliceVector,
85                     bCreateNormals, getSmoothHorizontalNormals(), getSmoothNormals(), getSmoothLids(), bClosedRotation,
86                     0.85, 0.6, bCreateTextureCoordiantesX || bCreateTextureCoordiantesY, aTexTransform);
87 
88                 // get full range
89                 const basegfx::B3DRange aRange(getRangeFrom3DGeometry(aFill));
90 
91                 // normal creation
92                 if(!getSdrLFSAttribute().getFill().isDefault())
93                 {
94                     if(::com::sun::star::drawing::NormalsKind_SPHERE == eNormalsKind)
95                     {
96                         applyNormalsKindSphereTo3DGeometry(aFill, aRange);
97                     }
98                     else if(::com::sun::star::drawing::NormalsKind_FLAT == eNormalsKind)
99                     {
100                         applyNormalsKindFlatTo3DGeometry(aFill);
101                     }
102 
103                     if(getSdr3DObjectAttribute().getNormalsInvert())
104                     {
105                         applyNormalsInvertTo3DGeometry(aFill);
106                     }
107                 }
108 
109                 // texture coordinates
110                 if(!getSdrLFSAttribute().getFill().isDefault())
111                 {
112                     applyTextureTo3DGeometry(
113                         getSdr3DObjectAttribute().getTextureProjectionX(),
114                         getSdr3DObjectAttribute().getTextureProjectionY(),
115                         aFill,
116                         aRange,
117                         getTextureSize());
118                 }
119 
120                 if(!getSdrLFSAttribute().getFill().isDefault())
121                 {
122                     // add fill
123                     aRetval = create3DPolyPolygonFillPrimitives(
124                         aFill,
125                         getTransform(),
126                         getTextureSize(),
127                         getSdr3DObjectAttribute(),
128                         getSdrLFSAttribute().getFill(),
129                         getSdrLFSAttribute().getFillFloatTransGradient());
130                 }
131                 else
132                 {
133                     // create simplified 3d hit test geometry
134                     aRetval = createHiddenGeometryPrimitives3D(
135                         aFill,
136                         getTransform(),
137                         getTextureSize(),
138                         getSdr3DObjectAttribute());
139                 }
140 
141                 // add line
142                 if(!getSdrLFSAttribute().getLine().isDefault())
143                 {
144                     if(getSdr3DObjectAttribute().getReducedLineGeometry())
145                     {
146                         // create geometric outlines with reduced line geometry for chart
147                         const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
148                         const sal_uInt32 nCount(aHorLine.count());
149                         basegfx::B3DPolyPolygon aNewLineGeometry;
150 
151                         for(a = 1; a < nCount; a++)
152                         {
153                             // for each loop pair create the connection edges
154                             createReducedOutlines(
155                                 rViewInformation,
156                                 getTransform(),
157                                 aHorLine.getB3DPolygon(a - 1),
158                                 aHorLine.getB3DPolygon(a),
159                                 aNewLineGeometry);
160                         }
161 
162                         for(a = 0; a < nCount; a++)
163                         {
164                             // filter hor lines for empty loops (those who have their defining point on the Y-Axis)
165                             basegfx::B3DPolygon aCandidate(aHorLine.getB3DPolygon(a));
166                             aCandidate.removeDoublePoints();
167 
168                             if(aCandidate.count())
169                             {
170                                 aNewLineGeometry.append(aCandidate);
171                             }
172                         }
173 
174                         if(aNewLineGeometry.count())
175                         {
176                             const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
177                                 aNewLineGeometry, getTransform(), getSdrLFSAttribute().getLine()));
178                             appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
179                         }
180                     }
181                     else
182                     {
183                         // extract line geometry from slices
184                         const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
185                         const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector));
186 
187                         // add horizontal lines
188                         const Primitive3DSequence aHorLines(create3DPolyPolygonLinePrimitives(
189                             aHorLine, getTransform(), getSdrLFSAttribute().getLine()));
190                         appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aHorLines);
191 
192                         // add vertical lines
193                         const Primitive3DSequence aVerLines(create3DPolyPolygonLinePrimitives(
194                             aVerLine, getTransform(), getSdrLFSAttribute().getLine()));
195                         appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aVerLines);
196                     }
197                 }
198 
199                 // add shadow
200                 if(!getSdrLFSAttribute().getShadow().isDefault()
201                     && aRetval.hasElements())
202                 {
203                     const Primitive3DSequence aShadow(createShadowPrimitive3D(
204                         aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
205                     appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aShadow);
206                 }
207             }
208 
209             return aRetval;
210         }
211 
212         void SdrLathePrimitive3D::impCreateSlices()
213         {
214             // prepare the polygon. No double points, correct orientations and a correct
215             // outmost polygon are needed
216             maCorrectedPolyPolygon = basegfx::tools::adaptiveSubdivideByAngle(getPolyPolygon());
217             maCorrectedPolyPolygon.removeDoublePoints();
218             maCorrectedPolyPolygon = basegfx::tools::correctOrientations(maCorrectedPolyPolygon);
219             maCorrectedPolyPolygon = basegfx::tools::correctOutmostPolygon(maCorrectedPolyPolygon);
220 
221             // check edge count of first sub-polygon. If different, reSegment polyPolygon. This ensures
222             // that for polyPolygons, the subPolys 1..n only get reSegmented when polygon 0L is different
223             // at all (and not always)
224             const basegfx::B2DPolygon aSubCandidate(maCorrectedPolyPolygon.getB2DPolygon(0));
225             const sal_uInt32 nSubEdgeCount(aSubCandidate.isClosed() ? aSubCandidate.count() : (aSubCandidate.count() ? aSubCandidate.count() - 1L : 0L));
226 
227             if(nSubEdgeCount != getVerticalSegments())
228             {
229                 maCorrectedPolyPolygon = basegfx::tools::reSegmentPolyPolygon(maCorrectedPolyPolygon, getVerticalSegments());
230             }
231 
232             // prepare slices as geometry
233             createLatheSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getRotation(), getHorizontalSegments(), getCharacterMode(), getCloseFront(), getCloseBack());
234         }
235 
236         const Slice3DVector& SdrLathePrimitive3D::getSlices() const
237         {
238             // This can be made dependent of  getSdrLFSAttribute().getFill() and getSdrLFSAttribute().getLine()
239             // again when no longer geometry is needed for non-visible 3D objects as it is now for chart
240             if(getPolyPolygon().count() && !maSlices.size())
241             {
242                 ::osl::Mutex m_mutex;
243                 const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices();
244             }
245 
246             return maSlices;
247         }
248 
249         SdrLathePrimitive3D::SdrLathePrimitive3D(
250             const basegfx::B3DHomMatrix& rTransform,
251             const basegfx::B2DVector& rTextureSize,
252             const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
253             const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
254             const basegfx::B2DPolyPolygon& rPolyPolygon,
255             sal_uInt32 nHorizontalSegments,
256             sal_uInt32 nVerticalSegments,
257             double fDiagonal,
258             double fBackScale,
259             double fRotation,
260             bool bSmoothNormals,
261             bool bSmoothHorizontalNormals,
262             bool bSmoothLids,
263             bool bCharacterMode,
264             bool bCloseFront,
265             bool bCloseBack)
266         :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
267             maCorrectedPolyPolygon(),
268             maSlices(),
269             maPolyPolygon(rPolyPolygon),
270             mnHorizontalSegments(nHorizontalSegments),
271             mnVerticalSegments(nVerticalSegments),
272             mfDiagonal(fDiagonal),
273             mfBackScale(fBackScale),
274             mfRotation(fRotation),
275             mpLastRLGViewInformation(0),
276             mbSmoothNormals(bSmoothNormals),
277             mbSmoothHorizontalNormals(bSmoothHorizontalNormals),
278             mbSmoothLids(bSmoothLids),
279             mbCharacterMode(bCharacterMode),
280             mbCloseFront(bCloseFront),
281             mbCloseBack(bCloseBack)
282         {
283             // make sure Rotation is positive
284             if(basegfx::fTools::lessOrEqual(getRotation(), 0.0))
285             {
286                 mfRotation = 0.0;
287             }
288 
289             // make sure the percentage value getDiagonal() is between 0.0 and 1.0
290             if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0))
291             {
292                 mfDiagonal = 0.0;
293             }
294             else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0))
295             {
296                 mfDiagonal = 1.0;
297             }
298 
299             // no close front/back when polygon is not closed
300             if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0L).isClosed())
301             {
302                 mbCloseFront = mbCloseBack = false;
303             }
304 
305             // no edge rounding when not closing
306             if(!getCloseFront() && !getCloseBack())
307             {
308                 mfDiagonal = 0.0;
309             }
310         }
311 
312         SdrLathePrimitive3D::~SdrLathePrimitive3D()
313         {
314             if(mpLastRLGViewInformation)
315             {
316                 delete mpLastRLGViewInformation;
317             }
318         }
319 
320         bool SdrLathePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
321         {
322             if(SdrPrimitive3D::operator==(rPrimitive))
323             {
324                 const SdrLathePrimitive3D& rCompare = static_cast< const SdrLathePrimitive3D& >(rPrimitive);
325 
326                 return (getPolyPolygon() == rCompare.getPolyPolygon()
327                     && getHorizontalSegments() == rCompare.getHorizontalSegments()
328                     && getVerticalSegments() == rCompare.getVerticalSegments()
329                     && getDiagonal() == rCompare.getDiagonal()
330                     && getBackScale() == rCompare.getBackScale()
331                     && getRotation() == rCompare.getRotation()
332                     && getSmoothNormals() == rCompare.getSmoothNormals()
333                     && getSmoothHorizontalNormals() == rCompare.getSmoothHorizontalNormals()
334                     && getSmoothLids() == rCompare.getSmoothLids()
335                     && getCharacterMode() == rCompare.getCharacterMode()
336                     && getCloseFront() == rCompare.getCloseFront()
337                     && getCloseBack() == rCompare.getCloseBack());
338             }
339 
340             return false;
341         }
342 
343         basegfx::B3DRange SdrLathePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
344         {
345             // use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
346             // The parent implementation which uses the ranges of the decomposition would be more
347             // corrcet, but for historical reasons it is necessary to do the old method: To get
348             // the range of the non-transformed geometry and transform it then. This leads to different
349             // ranges where the new method is more correct, but the need to keep the old behaviour
350             // has priority here.
351             return get3DRangeFromSlices(getSlices());
352         }
353 
354         Primitive3DSequence SdrLathePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
355         {
356             if(getSdr3DObjectAttribute().getReducedLineGeometry())
357             {
358                 if(!mpLastRLGViewInformation ||
359                     (getBuffered3DDecomposition().hasElements()
360                         && *mpLastRLGViewInformation != rViewInformation))
361                 {
362                     // conditions of last local decomposition with reduced lines have changed. Remember
363                     // new one and clear current decompositiopn
364                     ::osl::Mutex m_mutex;
365                     SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this);
366                     pThat->setBuffered3DDecomposition(Primitive3DSequence());
367                     delete pThat->mpLastRLGViewInformation;
368                     pThat->mpLastRLGViewInformation = new geometry::ViewInformation3D(rViewInformation);
369                 }
370             }
371 
372             // no test for buffering needed, call parent
373             return SdrPrimitive3D::get3DDecomposition(rViewInformation);
374         }
375 
376         // provide unique ID
377         ImplPrimitrive3DIDBlock(SdrLathePrimitive3D, PRIMITIVE3D_ID_SDRLATHEPRIMITIVE3D)
378 
379     } // end of namespace primitive3d
380 } // end of namespace drawinglayer
381 
382 //////////////////////////////////////////////////////////////////////////////
383 // eof
384