xref: /AOO41X/main/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx (revision 080bd379555af366bd96eb83ec603c5e55381184)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
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     {
create3DDecomposition(const geometry::ViewInformation3D & rViewInformation) const49         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 
impCreateSlices()212         void SdrLathePrimitive3D::impCreateSlices()
213         {
214             // prepare the polygon. No double points, correct orientations and a correct
215             // outmost polygon are needed
216             // Also important: subdivide here to ensure equal point count for all slices (!)
217             maCorrectedPolyPolygon = basegfx::tools::adaptiveSubdivideByAngle(getPolyPolygon());
218             maCorrectedPolyPolygon.removeDoublePoints();
219             maCorrectedPolyPolygon = basegfx::tools::correctOrientations(maCorrectedPolyPolygon);
220             maCorrectedPolyPolygon = basegfx::tools::correctOutmostPolygon(maCorrectedPolyPolygon);
221 
222             // check edge count of first sub-polygon. If different, reSegment polyPolygon. This ensures
223             // that for polyPolygons, the subPolys 1..n only get reSegmented when polygon 0L is different
224             // at all (and not always)
225             const basegfx::B2DPolygon aSubCandidate(maCorrectedPolyPolygon.getB2DPolygon(0));
226             const sal_uInt32 nSubEdgeCount(aSubCandidate.isClosed() ? aSubCandidate.count() : (aSubCandidate.count() ? aSubCandidate.count() - 1L : 0L));
227 
228             if(nSubEdgeCount != getVerticalSegments())
229             {
230                 maCorrectedPolyPolygon = basegfx::tools::reSegmentPolyPolygon(maCorrectedPolyPolygon, getVerticalSegments());
231             }
232 
233             // prepare slices as geometry
234             createLatheSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getRotation(), getHorizontalSegments(), getCharacterMode(), getCloseFront(), getCloseBack());
235         }
236 
getSlices() const237         const Slice3DVector& SdrLathePrimitive3D::getSlices() const
238         {
239             // This can be made dependent of  getSdrLFSAttribute().getFill() and getSdrLFSAttribute().getLine()
240             // again when no longer geometry is needed for non-visible 3D objects as it is now for chart
241             if(getPolyPolygon().count() && !maSlices.size())
242             {
243                 ::osl::Mutex m_mutex;
244                 const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices();
245             }
246 
247             return maSlices;
248         }
249 
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)250         SdrLathePrimitive3D::SdrLathePrimitive3D(
251             const basegfx::B3DHomMatrix& rTransform,
252             const basegfx::B2DVector& rTextureSize,
253             const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
254             const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
255             const basegfx::B2DPolyPolygon& rPolyPolygon,
256             sal_uInt32 nHorizontalSegments,
257             sal_uInt32 nVerticalSegments,
258             double fDiagonal,
259             double fBackScale,
260             double fRotation,
261             bool bSmoothNormals,
262             bool bSmoothHorizontalNormals,
263             bool bSmoothLids,
264             bool bCharacterMode,
265             bool bCloseFront,
266             bool bCloseBack)
267         :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
268             maCorrectedPolyPolygon(),
269             maSlices(),
270             maPolyPolygon(rPolyPolygon),
271             mnHorizontalSegments(nHorizontalSegments),
272             mnVerticalSegments(nVerticalSegments),
273             mfDiagonal(fDiagonal),
274             mfBackScale(fBackScale),
275             mfRotation(fRotation),
276             mpLastRLGViewInformation(0),
277             mbSmoothNormals(bSmoothNormals),
278             mbSmoothHorizontalNormals(bSmoothHorizontalNormals),
279             mbSmoothLids(bSmoothLids),
280             mbCharacterMode(bCharacterMode),
281             mbCloseFront(bCloseFront),
282             mbCloseBack(bCloseBack)
283         {
284             // make sure Rotation is positive
285             if(basegfx::fTools::lessOrEqual(getRotation(), 0.0))
286             {
287                 mfRotation = 0.0;
288             }
289 
290             // make sure the percentage value getDiagonal() is between 0.0 and 1.0
291             if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0))
292             {
293                 mfDiagonal = 0.0;
294             }
295             else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0))
296             {
297                 mfDiagonal = 1.0;
298             }
299 
300             // no close front/back when polygon is not closed
301             if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0L).isClosed())
302             {
303                 mbCloseFront = mbCloseBack = false;
304             }
305 
306             // no edge rounding when not closing
307             if(!getCloseFront() && !getCloseBack())
308             {
309                 mfDiagonal = 0.0;
310             }
311         }
312 
~SdrLathePrimitive3D()313         SdrLathePrimitive3D::~SdrLathePrimitive3D()
314         {
315             if(mpLastRLGViewInformation)
316             {
317                 delete mpLastRLGViewInformation;
318             }
319         }
320 
operator ==(const BasePrimitive3D & rPrimitive) const321         bool SdrLathePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
322         {
323             if(SdrPrimitive3D::operator==(rPrimitive))
324             {
325                 const SdrLathePrimitive3D& rCompare = static_cast< const SdrLathePrimitive3D& >(rPrimitive);
326 
327                 return (getPolyPolygon() == rCompare.getPolyPolygon()
328                     && getHorizontalSegments() == rCompare.getHorizontalSegments()
329                     && getVerticalSegments() == rCompare.getVerticalSegments()
330                     && getDiagonal() == rCompare.getDiagonal()
331                     && getBackScale() == rCompare.getBackScale()
332                     && getRotation() == rCompare.getRotation()
333                     && getSmoothNormals() == rCompare.getSmoothNormals()
334                     && getSmoothHorizontalNormals() == rCompare.getSmoothHorizontalNormals()
335                     && getSmoothLids() == rCompare.getSmoothLids()
336                     && getCharacterMode() == rCompare.getCharacterMode()
337                     && getCloseFront() == rCompare.getCloseFront()
338                     && getCloseBack() == rCompare.getCloseBack());
339             }
340 
341             return false;
342         }
343 
getB3DRange(const geometry::ViewInformation3D &) const344         basegfx::B3DRange SdrLathePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
345         {
346             // use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
347             // The parent implementation which uses the ranges of the decomposition would be more
348             // corrcet, but for historical reasons it is necessary to do the old method: To get
349             // the range of the non-transformed geometry and transform it then. This leads to different
350             // ranges where the new method is more correct, but the need to keep the old behaviour
351             // has priority here.
352             return get3DRangeFromSlices(getSlices());
353         }
354 
get3DDecomposition(const geometry::ViewInformation3D & rViewInformation) const355         Primitive3DSequence SdrLathePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
356         {
357             if(getSdr3DObjectAttribute().getReducedLineGeometry())
358             {
359                 if(!mpLastRLGViewInformation ||
360                     (getBuffered3DDecomposition().hasElements()
361                         && *mpLastRLGViewInformation != rViewInformation))
362                 {
363                     // conditions of last local decomposition with reduced lines have changed. Remember
364                     // new one and clear current decompositiopn
365                     ::osl::Mutex m_mutex;
366                     SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this);
367                     pThat->setBuffered3DDecomposition(Primitive3DSequence());
368                     delete pThat->mpLastRLGViewInformation;
369                     pThat->mpLastRLGViewInformation = new geometry::ViewInformation3D(rViewInformation);
370                 }
371             }
372 
373             // no test for buffering needed, call parent
374             return SdrPrimitive3D::get3DDecomposition(rViewInformation);
375         }
376 
377         // provide unique ID
378         ImplPrimitrive3DIDBlock(SdrLathePrimitive3D, PRIMITIVE3D_ID_SDRLATHEPRIMITIVE3D)
379 
380     } // end of namespace primitive3d
381 } // end of namespace drawinglayer
382 
383 //////////////////////////////////////////////////////////////////////////////
384 // eof
385