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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
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 : {
42 192 : Primitive3DSequence SdrLathePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
43 : {
44 192 : Primitive3DSequence aRetval;
45 :
46 : // get slices
47 192 : const Slice3DVector& rSliceVector = getSlices();
48 :
49 192 : if(!rSliceVector.empty())
50 : {
51 192 : const bool bBackScale(!basegfx::fTools::equal(getBackScale(), 1.0));
52 192 : const bool bClosedRotation(!bBackScale && getHorizontalSegments() && basegfx::fTools::equal(getRotation(), F_2PI));
53 : sal_uInt32 a;
54 :
55 : // decide what to create
56 192 : const ::com::sun::star::drawing::NormalsKind eNormalsKind(getSdr3DObjectAttribute().getNormalsKind());
57 192 : const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == eNormalsKind);
58 192 : const bool bCreateTextureCoordiantesX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
59 192 : const bool bCreateTextureCoordiantesY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
60 192 : basegfx::B2DHomMatrix aTexTransform;
61 :
62 384 : if(!getSdrLFSAttribute().getFill().isDefault()
63 192 : && (bCreateTextureCoordiantesX || bCreateTextureCoordiantesY))
64 : {
65 192 : aTexTransform.set(0, 0, 0.0);
66 192 : aTexTransform.set(0, 1, 1.0);
67 192 : aTexTransform.set(1, 0, 1.0);
68 192 : aTexTransform.set(1, 1, 0.0);
69 :
70 192 : aTexTransform.translate(0.0, -0.5);
71 192 : aTexTransform.scale(1.0, -1.0);
72 192 : aTexTransform.translate(0.0, 0.5);
73 : }
74 :
75 : // create geometry
76 384 : ::std::vector< basegfx::B3DPolyPolygon > aFill;
77 : extractPlanesFromSlice(aFill, rSliceVector,
78 576 : bCreateNormals, getSmoothHorizontalNormals(), getSmoothNormals(), getSmoothLids(), bClosedRotation,
79 768 : 0.85, 0.6, bCreateTextureCoordiantesX || bCreateTextureCoordiantesY, aTexTransform);
80 :
81 : // get full range
82 192 : const basegfx::B3DRange aRange(getRangeFrom3DGeometry(aFill));
83 :
84 : // normal creation
85 192 : if(!getSdrLFSAttribute().getFill().isDefault())
86 : {
87 192 : if(::com::sun::star::drawing::NormalsKind_SPHERE == eNormalsKind)
88 : {
89 0 : applyNormalsKindSphereTo3DGeometry(aFill, aRange);
90 : }
91 192 : else if(::com::sun::star::drawing::NormalsKind_FLAT == eNormalsKind)
92 : {
93 0 : applyNormalsKindFlatTo3DGeometry(aFill);
94 : }
95 :
96 192 : if(getSdr3DObjectAttribute().getNormalsInvert())
97 : {
98 0 : applyNormalsInvertTo3DGeometry(aFill);
99 : }
100 : }
101 :
102 : // texture coordinates
103 192 : if(!getSdrLFSAttribute().getFill().isDefault())
104 : {
105 : applyTextureTo3DGeometry(
106 : getSdr3DObjectAttribute().getTextureProjectionX(),
107 : getSdr3DObjectAttribute().getTextureProjectionY(),
108 : aFill,
109 : aRange,
110 192 : getTextureSize());
111 : }
112 :
113 192 : if(!getSdrLFSAttribute().getFill().isDefault())
114 : {
115 : // add fill
116 576 : aRetval = create3DPolyPolygonFillPrimitives(
117 : aFill,
118 192 : getTransform(),
119 192 : getTextureSize(),
120 : getSdr3DObjectAttribute(),
121 192 : getSdrLFSAttribute().getFill(),
122 384 : getSdrLFSAttribute().getFillFloatTransGradient());
123 : }
124 : else
125 : {
126 : // create simplified 3d hit test geometry
127 0 : aRetval = createHiddenGeometryPrimitives3D(
128 : aFill,
129 0 : getTransform(),
130 0 : getTextureSize(),
131 0 : getSdr3DObjectAttribute());
132 : }
133 :
134 : // add line
135 192 : if(!getSdrLFSAttribute().getLine().isDefault())
136 : {
137 96 : if(getSdr3DObjectAttribute().getReducedLineGeometry())
138 : {
139 : // create geometric outlines with reduced line geometry for chart
140 96 : const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
141 96 : const sal_uInt32 nCount(aHorLine.count());
142 192 : basegfx::B3DPolyPolygon aNewLineGeometry;
143 :
144 480 : for(a = 1; a < nCount; a++)
145 : {
146 : // for each loop pair create the connection edges
147 : createReducedOutlines(
148 : rViewInformation,
149 384 : getTransform(),
150 : aHorLine.getB3DPolygon(a - 1),
151 : aHorLine.getB3DPolygon(a),
152 768 : aNewLineGeometry);
153 : }
154 :
155 576 : for(a = 0; a < nCount; a++)
156 : {
157 : // filter hor lines for empty loops (those who have their defining point on the Y-Axis)
158 480 : basegfx::B3DPolygon aCandidate(aHorLine.getB3DPolygon(a));
159 480 : aCandidate.removeDoublePoints();
160 :
161 480 : if(aCandidate.count())
162 : {
163 480 : aNewLineGeometry.append(aCandidate);
164 : }
165 480 : }
166 :
167 96 : if(aNewLineGeometry.count())
168 : {
169 : const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
170 96 : aNewLineGeometry, getTransform(), getSdrLFSAttribute().getLine()));
171 96 : appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
172 96 : }
173 : }
174 : else
175 : {
176 : // extract line geometry from slices
177 0 : const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation));
178 0 : const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector));
179 :
180 : // add horizontal lines
181 : const Primitive3DSequence aHorLines(create3DPolyPolygonLinePrimitives(
182 0 : aHorLine, getTransform(), getSdrLFSAttribute().getLine()));
183 0 : appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aHorLines);
184 :
185 : // add vertical lines
186 : const Primitive3DSequence aVerLines(create3DPolyPolygonLinePrimitives(
187 0 : aVerLine, getTransform(), getSdrLFSAttribute().getLine()));
188 0 : appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aVerLines);
189 : }
190 : }
191 :
192 : // add shadow
193 384 : if(!getSdrLFSAttribute().getShadow().isDefault()
194 192 : && aRetval.hasElements())
195 : {
196 : const Primitive3DSequence aShadow(createShadowPrimitive3D(
197 0 : aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
198 0 : appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aShadow);
199 192 : }
200 : }
201 :
202 192 : return aRetval;
203 : }
204 :
205 120 : 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 (!)
210 120 : maCorrectedPolyPolygon = basegfx::tools::adaptiveSubdivideByAngle(getPolyPolygon());
211 120 : maCorrectedPolyPolygon.removeDoublePoints();
212 120 : maCorrectedPolyPolygon = basegfx::tools::correctOrientations(maCorrectedPolyPolygon);
213 120 : 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)
218 120 : const basegfx::B2DPolygon aSubCandidate(maCorrectedPolyPolygon.getB2DPolygon(0));
219 120 : const sal_uInt32 nSubEdgeCount(aSubCandidate.isClosed() ? aSubCandidate.count() : (aSubCandidate.count() ? aSubCandidate.count() - 1L : 0L));
220 :
221 120 : if(nSubEdgeCount != getVerticalSegments())
222 : {
223 0 : maCorrectedPolyPolygon = basegfx::tools::reSegmentPolyPolygon(maCorrectedPolyPolygon, getVerticalSegments());
224 : }
225 :
226 : // prepare slices as geometry
227 120 : createLatheSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getRotation(), getHorizontalSegments(), getCharacterMode(), getCloseFront(), getCloseBack());
228 120 : }
229 :
230 680 : 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
234 680 : if(getPolyPolygon().count() && !maSlices.size())
235 : {
236 120 : const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices();
237 : }
238 :
239 680 : return maSlices;
240 : }
241 :
242 392 : 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),
274 392 : mbCloseBack(bCloseBack)
275 : {
276 : // make sure Rotation is positive
277 392 : if(basegfx::fTools::lessOrEqual(getRotation(), 0.0))
278 : {
279 0 : mfRotation = 0.0;
280 : }
281 :
282 : // make sure the percentage value getDiagonal() is between 0.0 and 1.0
283 392 : if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0))
284 : {
285 0 : mfDiagonal = 0.0;
286 : }
287 392 : else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0))
288 : {
289 0 : mfDiagonal = 1.0;
290 : }
291 :
292 : // no close front/back when polygon is not closed
293 392 : if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0L).isClosed())
294 : {
295 360 : mbCloseFront = mbCloseBack = false;
296 : }
297 :
298 : // no edge rounding when not closing
299 392 : if(!getCloseFront() && !getCloseBack())
300 : {
301 360 : mfDiagonal = 0.0;
302 : }
303 392 : }
304 :
305 1176 : SdrLathePrimitive3D::~SdrLathePrimitive3D()
306 : {
307 392 : if(mpLastRLGViewInformation)
308 : {
309 96 : delete mpLastRLGViewInformation;
310 : }
311 784 : }
312 :
313 296 : bool SdrLathePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
314 : {
315 296 : if(SdrPrimitive3D::operator==(rPrimitive))
316 : {
317 272 : const SdrLathePrimitive3D& rCompare = static_cast< const SdrLathePrimitive3D& >(rPrimitive);
318 :
319 272 : return (getPolyPolygon() == rCompare.getPolyPolygon()
320 272 : && getHorizontalSegments() == rCompare.getHorizontalSegments()
321 272 : && getVerticalSegments() == rCompare.getVerticalSegments()
322 272 : && getDiagonal() == rCompare.getDiagonal()
323 272 : && getBackScale() == rCompare.getBackScale()
324 272 : && getRotation() == rCompare.getRotation()
325 272 : && getSmoothNormals() == rCompare.getSmoothNormals()
326 272 : && getSmoothHorizontalNormals() == rCompare.getSmoothHorizontalNormals()
327 272 : && getSmoothLids() == rCompare.getSmoothLids()
328 272 : && getCharacterMode() == rCompare.getCharacterMode()
329 272 : && getCloseFront() == rCompare.getCloseFront()
330 544 : && getCloseBack() == rCompare.getCloseBack());
331 : }
332 :
333 24 : return false;
334 : }
335 :
336 488 : basegfx::B3DRange SdrLathePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
337 : {
338 : // use default 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 : // correct, 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.
344 488 : return get3DRangeFromSlices(getSlices());
345 : }
346 :
347 192 : Primitive3DSequence SdrLathePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
348 : {
349 192 : if(getSdr3DObjectAttribute().getReducedLineGeometry())
350 : {
351 480 : if(!mpLastRLGViewInformation ||
352 96 : (getBuffered3DDecomposition().hasElements()
353 96 : && *mpLastRLGViewInformation != rViewInformation))
354 : {
355 : // conditions of last local decomposition with reduced lines have changed. Remember
356 : // new one and clear current decompositiopn
357 192 : SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this);
358 192 : pThat->setBuffered3DDecomposition(Primitive3DSequence());
359 192 : delete pThat->mpLastRLGViewInformation;
360 192 : pThat->mpLastRLGViewInformation = new geometry::ViewInformation3D(rViewInformation);
361 : }
362 : }
363 :
364 : // no test for buffering needed, call parent
365 192 : return SdrPrimitive3D::get3DDecomposition(rViewInformation);
366 : }
367 :
368 : // provide unique ID
369 784 : 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: */
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