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21 
22 // MARKER(update_precomp.py): autogen include statement, do not remove
23 #include "precompiled_basegfx.hxx"
24 
25 #include <basegfx/polygon/b3dpolypolygontools.hxx>
26 #include <basegfx/range/b3drange.hxx>
27 #include <basegfx/polygon/b3dpolypolygon.hxx>
28 #include <basegfx/polygon/b3dpolygon.hxx>
29 #include <basegfx/polygon/b3dpolygontools.hxx>
30 #include <numeric>
31 #include <basegfx/matrix/b3dhommatrix.hxx>
32 #include <basegfx/numeric/ftools.hxx>
33 #include <osl/mutex.hxx>
34 #include <com/sun/star/drawing/DoubleSequence.hpp>
35 
36 //////////////////////////////////////////////////////////////////////////////
37 // predefines
38 #define nMinSegments sal_uInt32(1)
39 #define nMaxSegments sal_uInt32(512)
40 
41 //////////////////////////////////////////////////////////////////////////////
42 
43 namespace basegfx
44 {
45 	namespace tools
46 	{
47 		// B3DPolyPolygon tools
getRange(const B3DPolyPolygon & rCandidate)48 		B3DRange getRange(const B3DPolyPolygon& rCandidate)
49 		{
50 			B3DRange aRetval;
51 			const sal_uInt32 nPolygonCount(rCandidate.count());
52 
53 			for(sal_uInt32 a(0L); a < nPolygonCount; a++)
54 			{
55 				B3DPolygon aCandidate = rCandidate.getB3DPolygon(a);
56 				aRetval.expand(getRange(aCandidate));
57 			}
58 
59 			return aRetval;
60 		}
61 
applyLineDashing(const B3DPolyPolygon & rCandidate,const::std::vector<double> & rDotDashArray,B3DPolyPolygon * pLineTarget,B3DPolyPolygon * pGapTarget,double fFullDashDotLen)62 		void applyLineDashing(const B3DPolyPolygon& rCandidate, const ::std::vector<double>& rDotDashArray, B3DPolyPolygon* pLineTarget, B3DPolyPolygon* pGapTarget, double fFullDashDotLen)
63 		{
64 			if(0.0 == fFullDashDotLen && rDotDashArray.size())
65 			{
66 				// calculate fFullDashDotLen from rDotDashArray
67 				fFullDashDotLen = ::std::accumulate(rDotDashArray.begin(), rDotDashArray.end(), 0.0);
68 			}
69 
70 			if(rCandidate.count() && fFullDashDotLen > 0.0)
71 			{
72 				B3DPolyPolygon aLineTarget, aGapTarget;
73 
74 				for(sal_uInt32 a(0L); a < rCandidate.count(); a++)
75 				{
76 					const B3DPolygon aCandidate(rCandidate.getB3DPolygon(a));
77 
78 					applyLineDashing(
79 						aCandidate,
80 						rDotDashArray,
81 						pLineTarget ? &aLineTarget : 0,
82 						pGapTarget ? &aGapTarget : 0,
83 						fFullDashDotLen);
84 
85 					if(pLineTarget)
86 					{
87 						pLineTarget->append(aLineTarget);
88 					}
89 
90 					if(pGapTarget)
91 					{
92 						pGapTarget->append(aGapTarget);
93 					}
94 				}
95 			}
96 		}
97 
createUnitCubePolyPolygon()98 		B3DPolyPolygon createUnitCubePolyPolygon()
99 		{
100 			static B3DPolyPolygon aRetval;
101 		    ::osl::Mutex m_mutex;
102 
103 			if(!aRetval.count())
104 			{
105 				B3DPolygon aTemp;
106 				aTemp.append(B3DPoint(0.0, 0.0, 1.0));
107 				aTemp.append(B3DPoint(0.0, 1.0, 1.0));
108 				aTemp.append(B3DPoint(1.0, 1.0, 1.0));
109 				aTemp.append(B3DPoint(1.0, 0.0, 1.0));
110 				aTemp.setClosed(true);
111 				aRetval.append(aTemp);
112 
113 				aTemp.clear();
114 				aTemp.append(B3DPoint(0.0, 0.0, 0.0));
115 				aTemp.append(B3DPoint(0.0, 1.0, 0.0));
116 				aTemp.append(B3DPoint(1.0, 1.0, 0.0));
117 				aTemp.append(B3DPoint(1.0, 0.0, 0.0));
118 				aTemp.setClosed(true);
119 				aRetval.append(aTemp);
120 
121 				aTemp.clear();
122 				aTemp.append(B3DPoint(0.0, 0.0, 0.0));
123 				aTemp.append(B3DPoint(0.0, 0.0, 1.0));
124 				aRetval.append(aTemp);
125 
126 				aTemp.clear();
127 				aTemp.append(B3DPoint(0.0, 1.0, 0.0));
128 				aTemp.append(B3DPoint(0.0, 1.0, 1.0));
129 				aRetval.append(aTemp);
130 
131 				aTemp.clear();
132 				aTemp.append(B3DPoint(1.0, 1.0, 0.0));
133 				aTemp.append(B3DPoint(1.0, 1.0, 1.0));
134 				aRetval.append(aTemp);
135 
136 				aTemp.clear();
137 				aTemp.append(B3DPoint(1.0, 0.0, 0.0));
138 				aTemp.append(B3DPoint(1.0, 0.0, 1.0));
139 				aRetval.append(aTemp);
140 			}
141 
142 			return aRetval;
143 		}
144 
createUnitCubeFillPolyPolygon()145 		B3DPolyPolygon createUnitCubeFillPolyPolygon()
146 		{
147 			static B3DPolyPolygon aRetval;
148 		    ::osl::Mutex m_mutex;
149 
150 			if(!aRetval.count())
151 			{
152 				B3DPolygon aTemp;
153 
154 				// all points
155 				const B3DPoint A(0.0, 0.0, 0.0);
156 				const B3DPoint B(0.0, 1.0, 0.0);
157 				const B3DPoint C(1.0, 1.0, 0.0);
158 				const B3DPoint D(1.0, 0.0, 0.0);
159 				const B3DPoint E(0.0, 0.0, 1.0);
160 				const B3DPoint F(0.0, 1.0, 1.0);
161 				const B3DPoint G(1.0, 1.0, 1.0);
162 				const B3DPoint H(1.0, 0.0, 1.0);
163 
164 				// create bottom
165 				aTemp.append(D);
166 				aTemp.append(A);
167 				aTemp.append(E);
168 				aTemp.append(H);
169 				aTemp.setClosed(true);
170 				aRetval.append(aTemp);
171 
172 				// create front
173 				aTemp.clear();
174 				aTemp.append(B);
175 				aTemp.append(A);
176 				aTemp.append(D);
177 				aTemp.append(C);
178 				aTemp.setClosed(true);
179 				aRetval.append(aTemp);
180 
181 				// create left
182 				aTemp.clear();
183 				aTemp.append(E);
184 				aTemp.append(A);
185 				aTemp.append(B);
186 				aTemp.append(F);
187 				aTemp.setClosed(true);
188 				aRetval.append(aTemp);
189 
190 				// create top
191 				aTemp.clear();
192 				aTemp.append(C);
193 				aTemp.append(G);
194 				aTemp.append(F);
195 				aTemp.append(B);
196 				aTemp.setClosed(true);
197 				aRetval.append(aTemp);
198 
199 				// create right
200 				aTemp.clear();
201 				aTemp.append(H);
202 				aTemp.append(G);
203 				aTemp.append(C);
204 				aTemp.append(D);
205 				aTemp.setClosed(true);
206 				aRetval.append(aTemp);
207 
208 				// create back
209 				aTemp.clear();
210 				aTemp.append(F);
211 				aTemp.append(G);
212 				aTemp.append(H);
213 				aTemp.append(E);
214 				aTemp.setClosed(true);
215 				aRetval.append(aTemp);
216 			}
217 
218 			return aRetval;
219 		}
220 
createCubePolyPolygonFromB3DRange(const B3DRange & rRange)221 		B3DPolyPolygon createCubePolyPolygonFromB3DRange( const B3DRange& rRange)
222 		{
223 			B3DPolyPolygon aRetval;
224 
225 			if(!rRange.isEmpty())
226 			{
227 				aRetval = createUnitCubePolyPolygon();
228 				B3DHomMatrix aTrans;
229 				aTrans.scale(rRange.getWidth(), rRange.getHeight(), rRange.getDepth());
230 				aTrans.translate(rRange.getMinX(), rRange.getMinY(), rRange.getMinZ());
231 				aRetval.transform(aTrans);
232 				aRetval.removeDoublePoints();
233 			}
234 
235 			return aRetval;
236 		}
237 
createCubeFillPolyPolygonFromB3DRange(const B3DRange & rRange)238 		B3DPolyPolygon createCubeFillPolyPolygonFromB3DRange( const B3DRange& rRange)
239 		{
240 			B3DPolyPolygon aRetval;
241 
242 			if(!rRange.isEmpty())
243 			{
244 				aRetval = createUnitCubeFillPolyPolygon();
245 				B3DHomMatrix aTrans;
246 				aTrans.scale(rRange.getWidth(), rRange.getHeight(), rRange.getDepth());
247 				aTrans.translate(rRange.getMinX(), rRange.getMinY(), rRange.getMinZ());
248 				aRetval.transform(aTrans);
249 				aRetval.removeDoublePoints();
250 			}
251 
252 			return aRetval;
253 		}
254 
255 		// helper for getting the 3D Point from given cartesian coordiantes. fVer is defined from
256 		// [F_PI2 .. -F_PI2], fHor from [0.0 .. F_2PI]
getPointFromCartesian(double fVer,double fHor)257 		inline B3DPoint getPointFromCartesian(double fVer, double fHor)
258 		{
259 			const double fCosHor(cos(fHor));
260 			return B3DPoint(fCosHor * cos(fVer), sin(fHor), fCosHor * -sin(fVer));
261 		}
262 
createUnitSpherePolyPolygon(sal_uInt32 nHorSeg,sal_uInt32 nVerSeg,double fVerStart,double fVerStop,double fHorStart,double fHorStop)263 		B3DPolyPolygon createUnitSpherePolyPolygon(
264 			sal_uInt32 nHorSeg, sal_uInt32 nVerSeg,
265 			double fVerStart, double fVerStop,
266 			double fHorStart, double fHorStop)
267 		{
268 			B3DPolyPolygon aRetval;
269 			sal_uInt32 a, b;
270 
271 			if(!nHorSeg)
272 			{
273 				nHorSeg = fround(fabs(fHorStop - fHorStart) / (F_2PI / 24.0));
274 			}
275 
276             // min/max limitations
277             nHorSeg = ::std::min(nMaxSegments, ::std::max(nMinSegments, nHorSeg));
278 
279 			if(!nVerSeg)
280 			{
281 				nVerSeg = fround(fabs(fVerStop - fVerStart) / (F_2PI / 24.0));
282 			}
283 
284             // min/max limitations
285             nVerSeg = ::std::min(nMaxSegments, ::std::max(nMinSegments, nVerSeg));
286 
287 			// create constants
288 			const double fVerDiffPerStep((fVerStop - fVerStart) / (double)nVerSeg);
289 			const double fHorDiffPerStep((fHorStop - fHorStart) / (double)nHorSeg);
290 			bool bHorClosed(fTools::equal(fHorStop - fHorStart, F_2PI));
291 			bool bVerFromTop(fTools::equal(fVerStart, F_PI2));
292 			bool bVerToBottom(fTools::equal(fVerStop, -F_PI2));
293 
294 			// create horizontal rings
295 			const sal_uInt32 nLoopVerInit(bVerFromTop ? 1L : 0L);
296 			const sal_uInt32 nLoopVerLimit(bVerToBottom ? nVerSeg : nVerSeg + 1L);
297 			const sal_uInt32 nLoopHorLimit(bHorClosed ? nHorSeg : nHorSeg + 1L);
298 
299 			for(a = nLoopVerInit; a < nLoopVerLimit; a++)
300 			{
301 				const double fVer(fVerStart + ((double)(a) * fVerDiffPerStep));
302 				B3DPolygon aNew;
303 
304 				for(b = 0L; b < nLoopHorLimit; b++)
305 				{
306 					const double fHor(fHorStart + ((double)(b) * fHorDiffPerStep));
307 					aNew.append(getPointFromCartesian(fHor, fVer));
308 				}
309 
310 				aNew.setClosed(bHorClosed);
311 				aRetval.append(aNew);
312 			}
313 
314 			// create vertical half-rings
315 			for(a = 0L; a < nLoopHorLimit; a++)
316 			{
317 				const double fHor(fHorStart + ((double)(a) * fHorDiffPerStep));
318 				B3DPolygon aNew;
319 
320 				if(bVerFromTop)
321 				{
322 					aNew.append(B3DPoint(0.0, 1.0, 0.0));
323 				}
324 
325 				for(b = nLoopVerInit; b < nLoopVerLimit; b++)
326 				{
327 					const double fVer(fVerStart + ((double)(b) * fVerDiffPerStep));
328 					aNew.append(getPointFromCartesian(fHor, fVer));
329 				}
330 
331 				if(bVerToBottom)
332 				{
333 					aNew.append(B3DPoint(0.0, -1.0, 0.0));
334 				}
335 
336 				aRetval.append(aNew);
337 			}
338 
339 			return aRetval;
340 		}
341 
createSpherePolyPolygonFromB3DRange(const B3DRange & rRange,sal_uInt32 nHorSeg,sal_uInt32 nVerSeg,double fVerStart,double fVerStop,double fHorStart,double fHorStop)342 		B3DPolyPolygon createSpherePolyPolygonFromB3DRange( const B3DRange& rRange,
343 			sal_uInt32 nHorSeg, sal_uInt32 nVerSeg,
344 			double fVerStart, double fVerStop,
345 			double fHorStart, double fHorStop)
346 		{
347 			B3DPolyPolygon aRetval(createUnitSpherePolyPolygon(nHorSeg, nVerSeg, fVerStart, fVerStop, fHorStart, fHorStop));
348 
349 			if(aRetval.count())
350 			{
351 				// move and scale whole construct which is now in [-1.0 .. 1.0] in all directions
352 				B3DHomMatrix aTrans;
353 				aTrans.translate(1.0, 1.0, 1.0);
354 				aTrans.scale(rRange.getWidth() / 2.0, rRange.getHeight() / 2.0, rRange.getDepth() / 2.0);
355 				aTrans.translate(rRange.getMinX(), rRange.getMinY(), rRange.getMinZ());
356 				aRetval.transform(aTrans);
357 			}
358 
359 			return aRetval;
360 		}
361 
createUnitSphereFillPolyPolygon(sal_uInt32 nHorSeg,sal_uInt32 nVerSeg,bool bNormals,double fVerStart,double fVerStop,double fHorStart,double fHorStop)362 		B3DPolyPolygon createUnitSphereFillPolyPolygon(
363 			sal_uInt32 nHorSeg, sal_uInt32 nVerSeg,
364 			bool bNormals,
365 			double fVerStart, double fVerStop,
366 			double fHorStart, double fHorStop)
367 		{
368 			B3DPolyPolygon aRetval;
369 
370 			if(!nHorSeg)
371 			{
372 				nHorSeg = fround(fabs(fHorStop - fHorStart) / (F_2PI / 24.0));
373 			}
374 
375             // min/max limitations
376             nHorSeg = ::std::min(nMaxSegments, ::std::max(nMinSegments, nHorSeg));
377 
378 			if(!nVerSeg)
379 			{
380 				nVerSeg = fround(fabs(fVerStop - fVerStart) / (F_2PI / 24.0));
381 			}
382 
383             // min/max limitations
384             nVerSeg = ::std::min(nMaxSegments, ::std::max(nMinSegments, nVerSeg));
385 
386 			// vertical loop
387 			for(sal_uInt32 a(0L); a < nVerSeg; a++)
388 			{
389 				const double fVer(fVerStart + (((fVerStop - fVerStart) * a) / nVerSeg));
390 				const double fVer2(fVerStart + (((fVerStop - fVerStart) * (a + 1)) / nVerSeg));
391 
392 				// horizontal loop
393 				for(sal_uInt32 b(0L); b < nHorSeg; b++)
394 				{
395 					const double fHor(fHorStart + (((fHorStop - fHorStart) * b) / nHorSeg));
396 					const double fHor2(fHorStart + (((fHorStop - fHorStart) * (b + 1)) / nHorSeg));
397 					B3DPolygon aNew;
398 
399 					aNew.append(getPointFromCartesian(fHor, fVer));
400 					aNew.append(getPointFromCartesian(fHor2, fVer));
401 					aNew.append(getPointFromCartesian(fHor2, fVer2));
402 					aNew.append(getPointFromCartesian(fHor, fVer2));
403 
404 					if(bNormals)
405 					{
406 						for(sal_uInt32 c(0L); c < aNew.count(); c++)
407 						{
408 							aNew.setNormal(c, ::basegfx::B3DVector(aNew.getB3DPoint(c)));
409 						}
410 					}
411 
412 					aNew.setClosed(true);
413 					aRetval.append(aNew);
414 				}
415 			}
416 
417 			return aRetval;
418 		}
419 
createSphereFillPolyPolygonFromB3DRange(const B3DRange & rRange,sal_uInt32 nHorSeg,sal_uInt32 nVerSeg,bool bNormals,double fVerStart,double fVerStop,double fHorStart,double fHorStop)420 		B3DPolyPolygon createSphereFillPolyPolygonFromB3DRange( const B3DRange& rRange,
421 			sal_uInt32 nHorSeg, sal_uInt32 nVerSeg,
422 			bool bNormals,
423 			double fVerStart, double fVerStop,
424 			double fHorStart, double fHorStop)
425 		{
426 			B3DPolyPolygon aRetval(createUnitSphereFillPolyPolygon(nHorSeg, nVerSeg, bNormals, fVerStart, fVerStop, fHorStart, fHorStop));
427 
428 			if(aRetval.count())
429 			{
430 				// move and scale whole construct which is now in [-1.0 .. 1.0] in all directions
431 				B3DHomMatrix aTrans;
432 				aTrans.translate(1.0, 1.0, 1.0);
433 				aTrans.scale(rRange.getWidth() / 2.0, rRange.getHeight() / 2.0, rRange.getDepth() / 2.0);
434 				aTrans.translate(rRange.getMinX(), rRange.getMinY(), rRange.getMinZ());
435 				aRetval.transform(aTrans);
436 			}
437 
438 			return aRetval;
439 		}
440 
applyDefaultNormalsSphere(const B3DPolyPolygon & rCandidate,const B3DPoint & rCenter)441 		B3DPolyPolygon applyDefaultNormalsSphere( const B3DPolyPolygon& rCandidate, const B3DPoint& rCenter)
442 		{
443 			B3DPolyPolygon aRetval;
444 
445 			for(sal_uInt32 a(0L); a < rCandidate.count(); a++)
446 			{
447 				aRetval.append(applyDefaultNormalsSphere(rCandidate.getB3DPolygon(a), rCenter));
448 			}
449 
450 			return aRetval;
451 		}
452 
invertNormals(const B3DPolyPolygon & rCandidate)453 		B3DPolyPolygon invertNormals( const B3DPolyPolygon& rCandidate)
454 		{
455 			B3DPolyPolygon aRetval;
456 
457 			for(sal_uInt32 a(0L); a < rCandidate.count(); a++)
458 			{
459 				aRetval.append(invertNormals(rCandidate.getB3DPolygon(a)));
460 			}
461 
462 			return aRetval;
463 		}
464 
applyDefaultTextureCoordinatesParallel(const B3DPolyPolygon & rCandidate,const B3DRange & rRange,bool bChangeX,bool bChangeY)465 		B3DPolyPolygon applyDefaultTextureCoordinatesParallel( const B3DPolyPolygon& rCandidate, const B3DRange& rRange, bool bChangeX, bool bChangeY)
466 		{
467 			B3DPolyPolygon aRetval;
468 
469 			for(sal_uInt32 a(0L); a < rCandidate.count(); a++)
470 			{
471 				aRetval.append(applyDefaultTextureCoordinatesParallel(rCandidate.getB3DPolygon(a), rRange, bChangeX, bChangeY));
472 			}
473 
474 			return aRetval;
475 		}
476 
applyDefaultTextureCoordinatesSphere(const B3DPolyPolygon & rCandidate,const B3DPoint & rCenter,bool bChangeX,bool bChangeY)477 		B3DPolyPolygon applyDefaultTextureCoordinatesSphere( const B3DPolyPolygon& rCandidate, const B3DPoint& rCenter, bool bChangeX, bool bChangeY)
478 		{
479 			B3DPolyPolygon aRetval;
480 
481 			for(sal_uInt32 a(0L); a < rCandidate.count(); a++)
482 			{
483 				aRetval.append(applyDefaultTextureCoordinatesSphere(rCandidate.getB3DPolygon(a), rCenter, bChangeX, bChangeY));
484 			}
485 
486 			return aRetval;
487 		}
488 
isInside(const B3DPolyPolygon & rCandidate,const B3DPoint & rPoint,bool bWithBorder)489 		bool isInside(const B3DPolyPolygon& rCandidate, const B3DPoint& rPoint, bool bWithBorder)
490 		{
491 			const sal_uInt32 nPolygonCount(rCandidate.count());
492 
493 			if(1L == nPolygonCount)
494 			{
495 				return isInside(rCandidate.getB3DPolygon(0), rPoint, bWithBorder);
496 			}
497 			else
498 			{
499 				sal_Int32 nInsideCount(0);
500 
501 				for(sal_uInt32 a(0); a < nPolygonCount; a++)
502 				{
503 					const B3DPolygon aPolygon(rCandidate.getB3DPolygon(a));
504 					const bool bInside(isInside(aPolygon, rPoint, bWithBorder));
505 
506 					if(bInside)
507 					{
508 						nInsideCount++;
509 					}
510 				}
511 
512 				return (nInsideCount % 2L);
513 			}
514 		}
515 
516 		//////////////////////////////////////////////////////////////////////
517 		// comparators with tolerance for 3D PolyPolygons
518 
equal(const B3DPolyPolygon & rCandidateA,const B3DPolyPolygon & rCandidateB,const double & rfSmallValue)519 		bool equal(const B3DPolyPolygon& rCandidateA, const B3DPolyPolygon& rCandidateB, const double& rfSmallValue)
520 		{
521 			const sal_uInt32 nPolygonCount(rCandidateA.count());
522 
523 			if(nPolygonCount != rCandidateB.count())
524 				return false;
525 
526 			for(sal_uInt32 a(0); a < nPolygonCount; a++)
527 			{
528 				const B3DPolygon aCandidate(rCandidateA.getB3DPolygon(a));
529 
530 				if(!equal(aCandidate, rCandidateB.getB3DPolygon(a), rfSmallValue))
531 					return false;
532 			}
533 
534 			return true;
535 		}
536 
equal(const B3DPolyPolygon & rCandidateA,const B3DPolyPolygon & rCandidateB)537 		bool equal(const B3DPolyPolygon& rCandidateA, const B3DPolyPolygon& rCandidateB)
538 		{
539 			const double fSmallValue(fTools::getSmallValue());
540 
541 			return equal(rCandidateA, rCandidateB, fSmallValue);
542 		}
543 
544 /// converters for com::sun::star::drawing::PolyPolygonShape3D
UnoPolyPolygonShape3DToB3DPolyPolygon(const com::sun::star::drawing::PolyPolygonShape3D & rPolyPolygonShape3DSource,bool bCheckClosed)545         B3DPolyPolygon UnoPolyPolygonShape3DToB3DPolyPolygon(
546             const com::sun::star::drawing::PolyPolygonShape3D& rPolyPolygonShape3DSource,
547             bool bCheckClosed)
548         {
549             B3DPolyPolygon aRetval;
550             const sal_Int32 nOuterSequenceCount(rPolyPolygonShape3DSource.SequenceX.getLength());
551 
552             if(nOuterSequenceCount)
553             {
554                 OSL_ENSURE(nOuterSequenceCount == rPolyPolygonShape3DSource.SequenceY.getLength()
555                     && nOuterSequenceCount == rPolyPolygonShape3DSource.SequenceZ.getLength(),
556                     "UnoPolyPolygonShape3DToB3DPolygon: Not all double sequences have the same length (!)");
557 
558                 const com::sun::star::drawing::DoubleSequence* pInnerSequenceX = rPolyPolygonShape3DSource.SequenceX.getConstArray();
559                 const com::sun::star::drawing::DoubleSequence* pInnerSequenceY = rPolyPolygonShape3DSource.SequenceY.getConstArray();
560                 const com::sun::star::drawing::DoubleSequence* pInnerSequenceZ = rPolyPolygonShape3DSource.SequenceZ.getConstArray();
561 
562                 for(sal_Int32 a(0); a < nOuterSequenceCount; a++)
563                 {
564                     basegfx::B3DPolygon aNewPolygon;
565                     const sal_Int32 nInnerSequenceCount(pInnerSequenceX->getLength());
566                     OSL_ENSURE(nInnerSequenceCount == pInnerSequenceY->getLength()
567                         && nInnerSequenceCount == pInnerSequenceZ->getLength(),
568                         "UnoPolyPolygonShape3DToB3DPolygon: Not all double sequences have the same length (!)");
569 
570                     const double* pArrayX = pInnerSequenceX->getConstArray();
571                     const double* pArrayY = pInnerSequenceY->getConstArray();
572                     const double* pArrayZ = pInnerSequenceZ->getConstArray();
573 
574                     for(sal_Int32 b(0); b < nInnerSequenceCount; b++)
575                     {
576                         aNewPolygon.append(basegfx::B3DPoint(*pArrayX++,*pArrayY++,*pArrayZ++));
577                     }
578 
579                     pInnerSequenceX++;
580                     pInnerSequenceY++;
581                     pInnerSequenceZ++;
582 
583                     // #i101520# correction is needed for imported polygons of old format,
584                     // see callers
585                     if(bCheckClosed)
586                     {
587                         basegfx::tools::checkClosed(aNewPolygon);
588                     }
589 
590                     aRetval.append(aNewPolygon);
591                 }
592             }
593 
594             return aRetval;
595         }
596 
B3DPolyPolygonToUnoPolyPolygonShape3D(const B3DPolyPolygon & rPolyPolygonSource,com::sun::star::drawing::PolyPolygonShape3D & rPolyPolygonShape3DRetval)597         void B3DPolyPolygonToUnoPolyPolygonShape3D(
598             const B3DPolyPolygon& rPolyPolygonSource,
599             com::sun::star::drawing::PolyPolygonShape3D& rPolyPolygonShape3DRetval)
600         {
601             const sal_uInt32 nPolygonCount(rPolyPolygonSource.count());
602 
603             if(nPolygonCount)
604             {
605                 rPolyPolygonShape3DRetval.SequenceX.realloc(nPolygonCount);
606                 rPolyPolygonShape3DRetval.SequenceY.realloc(nPolygonCount);
607                 rPolyPolygonShape3DRetval.SequenceZ.realloc(nPolygonCount);
608 
609                 com::sun::star::drawing::DoubleSequence* pOuterSequenceX = rPolyPolygonShape3DRetval.SequenceX.getArray();
610                 com::sun::star::drawing::DoubleSequence* pOuterSequenceY = rPolyPolygonShape3DRetval.SequenceY.getArray();
611                 com::sun::star::drawing::DoubleSequence* pOuterSequenceZ = rPolyPolygonShape3DRetval.SequenceZ.getArray();
612 
613                 for(sal_uInt32 a(0); a < nPolygonCount; a++)
614                 {
615                     const basegfx::B3DPolygon aPoly(rPolyPolygonSource.getB3DPolygon(a));
616                     const sal_uInt32 nPointCount(aPoly.count());
617 
618                     if(nPointCount)
619                     {
620                         const bool bIsClosed(aPoly.isClosed());
621                         const sal_uInt32 nTargetCount(bIsClosed ? nPointCount + 1 : nPointCount);
622                         pOuterSequenceX->realloc(nTargetCount);
623                         pOuterSequenceY->realloc(nTargetCount);
624                         pOuterSequenceZ->realloc(nTargetCount);
625 
626                         double* pInnerSequenceX = pOuterSequenceX->getArray();
627                         double* pInnerSequenceY = pOuterSequenceY->getArray();
628                         double* pInnerSequenceZ = pOuterSequenceZ->getArray();
629 
630                         for(sal_uInt32 b(0); b < nPointCount; b++)
631                         {
632                             const basegfx::B3DPoint aPoint(aPoly.getB3DPoint(b));
633 
634                             *pInnerSequenceX++ = aPoint.getX();
635                             *pInnerSequenceY++ = aPoint.getY();
636                             *pInnerSequenceZ++ = aPoint.getZ();
637                         }
638 
639                         if(bIsClosed)
640                         {
641                             const basegfx::B3DPoint aPoint(aPoly.getB3DPoint(0));
642 
643                             *pInnerSequenceX++ = aPoint.getX();
644                             *pInnerSequenceY++ = aPoint.getY();
645                             *pInnerSequenceZ++ = aPoint.getZ();
646                         }
647                     }
648                     else
649                     {
650                         pOuterSequenceX->realloc(0);
651                         pOuterSequenceY->realloc(0);
652                         pOuterSequenceZ->realloc(0);
653                     }
654 
655                     pOuterSequenceX++;
656                     pOuterSequenceY++;
657                     pOuterSequenceZ++;
658                 }
659             }
660             else
661             {
662                 rPolyPolygonShape3DRetval.SequenceX.realloc(0);
663                 rPolyPolygonShape3DRetval.SequenceY.realloc(0);
664                 rPolyPolygonShape3DRetval.SequenceZ.realloc(0);
665             }
666         }
667 
668     } // end of namespace tools
669 } // end of namespace basegfx
670 
671 //////////////////////////////////////////////////////////////////////////////
672 
673 // eof
674