xref: /aoo41x/main/svx/source/svdraw/svdoedge.cxx (revision c502ab24)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26 
27 #include <svx/svdoedge.hxx>
28 #include <svx/xpool.hxx>
29 #include <svx/xpoly.hxx>
30 #include <svx/svdattrx.hxx>
31 #include <svx/svdpool.hxx>
32 #include <svx/svdmodel.hxx>
33 #include <svx/svdpage.hxx>
34 #include <svx/svdpagv.hxx>
35 #include <svx/svdview.hxx>
36 #include <svx/svddrag.hxx>
37 #include <svx/svddrgv.hxx>
38 #include "svddrgm1.hxx"
39 #include <svx/svdhdl.hxx>
40 #include <svx/svdtrans.hxx>
41 #include <svx/svdetc.hxx>
42 #include "svx/svdglob.hxx"   // StringCache
43 #include "svx/svdstr.hrc"    // Objektname
44 #include <svl/style.hxx>
45 #include <svl/smplhint.hxx>
46 #include <editeng/eeitem.hxx>
47 #include "svdoimp.hxx"
48 #include <svx/sdr/properties/connectorproperties.hxx>
49 #include <svx/sdr/contact/viewcontactofsdredgeobj.hxx>
50 #include <basegfx/polygon/b2dpolygon.hxx>
51 #include <basegfx/polygon/b2dpolygontools.hxx>
52 #include <basegfx/matrix/b2dhommatrix.hxx>
53 #include <svx/sdrhittesthelper.hxx>
54 
55 ////////////////////////////////////////////////////////////////////////////////////////////////////
56 
57 SdrObjConnection::~SdrObjConnection()
58 {
59 }
60 
61 void SdrObjConnection::ResetVars()
62 {
63 	pObj=NULL;
64 	nConId=0;
65 	nXDist=0;
66 	nYDist=0;
67 	bBestConn=sal_True;
68 	bBestVertex=sal_True;
69 	bXDistOvr=sal_False;
70 	bYDistOvr=sal_False;
71 	bAutoVertex=sal_False;
72 	bAutoCorner=sal_False;
73 }
74 
75 FASTBOOL SdrObjConnection::TakeGluePoint(SdrGluePoint& rGP, FASTBOOL bSetAbsPos) const
76 {
77 	FASTBOOL bRet=sal_False;
78 	if (pObj!=NULL) { // Ein Obj muss schon angedockt sein!
79 		if (bAutoVertex) {
80 			rGP=pObj->GetVertexGluePoint(nConId);
81 			bRet=sal_True;
82 		} else if (bAutoCorner) {
83 			rGP=pObj->GetCornerGluePoint(nConId);
84 			bRet=sal_True;
85 		} else {
86 			const SdrGluePointList* pGPL=pObj->GetGluePointList();
87 			if (pGPL!=NULL) {
88 				sal_uInt16 nNum=pGPL->FindGluePoint(nConId);
89 				if (nNum!=SDRGLUEPOINT_NOTFOUND) {
90 					rGP=(*pGPL)[nNum];
91 					bRet=sal_True;
92 				}
93 			}
94 		}
95 	}
96 	if (bRet && bSetAbsPos) {
97 		Point aPt(rGP.GetAbsolutePos(*pObj));
98 		aPt+=aObjOfs;
99 		rGP.SetPos(aPt);
100 	}
101 	return bRet;
102 }
103 
104 Point& SdrEdgeInfoRec::ImpGetLineVersatzPoint(SdrEdgeLineCode eLineCode)
105 {
106 	switch (eLineCode) {
107 		case OBJ1LINE2 : return aObj1Line2;
108 		case OBJ1LINE3 : return aObj1Line3;
109 		case OBJ2LINE2 : return aObj2Line2;
110 		case OBJ2LINE3 : return aObj2Line3;
111 		case MIDDLELINE: return aMiddleLine;
112 	} // switch
113 	return aMiddleLine;
114 }
115 
116 sal_uInt16 SdrEdgeInfoRec::ImpGetPolyIdx(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
117 {
118 	switch (eLineCode) {
119 		case OBJ1LINE2 : return 1;
120 		case OBJ1LINE3 : return 2;
121 		case OBJ2LINE2 : return rXP.GetPointCount()-3;
122 		case OBJ2LINE3 : return rXP.GetPointCount()-4;
123 		case MIDDLELINE: return nMiddleLine;
124 	} // switch
125 	return 0;
126 }
127 
128 FASTBOOL SdrEdgeInfoRec::ImpIsHorzLine(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
129 {
130 	sal_uInt16 nIdx=ImpGetPolyIdx(eLineCode,rXP);
131 	FASTBOOL bHorz=nAngle1==0 || nAngle1==18000;
132 	if (eLineCode==OBJ2LINE2 || eLineCode==OBJ2LINE3) {
133 		nIdx=rXP.GetPointCount()-nIdx; // #36314#
134 		bHorz=nAngle2==0 || nAngle2==18000; // #52000#
135 	}
136 	if ((nIdx & 1)==1) bHorz=!bHorz;
137 	return bHorz;
138 }
139 
140 void SdrEdgeInfoRec::ImpSetLineVersatz(SdrEdgeLineCode eLineCode, const XPolygon& rXP, long nVal)
141 {
142 	Point& rPt=ImpGetLineVersatzPoint(eLineCode);
143 	if (ImpIsHorzLine(eLineCode,rXP)) rPt.Y()=nVal;
144 	else rPt.X()=nVal;
145 }
146 
147 long SdrEdgeInfoRec::ImpGetLineVersatz(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
148 {
149 	const Point& rPt=ImpGetLineVersatzPoint(eLineCode);
150 	if (ImpIsHorzLine(eLineCode,rXP)) return rPt.Y();
151 	else return rPt.X();
152 }
153 
154 //////////////////////////////////////////////////////////////////////////////
155 // BaseProperties section
156 
157 sdr::properties::BaseProperties* SdrEdgeObj::CreateObjectSpecificProperties()
158 {
159 	return new sdr::properties::ConnectorProperties(*this);
160 }
161 
162 //////////////////////////////////////////////////////////////////////////////
163 // DrawContact section
164 
165 sdr::contact::ViewContact* SdrEdgeObj::CreateObjectSpecificViewContact()
166 {
167 	return new sdr::contact::ViewContactOfSdrEdgeObj(*this);
168 }
169 
170 //////////////////////////////////////////////////////////////////////////////
171 
172 TYPEINIT1(SdrEdgeObj,SdrTextObj);
173 
174 SdrEdgeObj::SdrEdgeObj()
175 :	SdrTextObj(),
176 	nNotifyingCount(0),
177 	bEdgeTrackDirty(sal_False),
178 	bEdgeTrackUserDefined(sal_False),
179 	// #109007# Default is to allow default connects
180 	mbSuppressDefaultConnect(sal_False),
181 	// #110649#
182 	mbBoundRectCalculationRunning(sal_False)
183 {
184 	bClosedObj=sal_False;
185 	bIsEdge=sal_True;
186 	pEdgeTrack=new XPolygon;
187 
188 }
189 
190 SdrEdgeObj::~SdrEdgeObj()
191 {
192 	DisconnectFromNode(sal_True);
193 	DisconnectFromNode(sal_False);
194 	delete pEdgeTrack;
195 }
196 
197 void SdrEdgeObj::ImpSetAttrToEdgeInfo()
198 {
199 	const SfxItemSet& rSet = GetObjectItemSet();
200 	SdrEdgeKind eKind = ((SdrEdgeKindItem&)(rSet.Get(SDRATTR_EDGEKIND))).GetValue();
201 	sal_Int32 nVal1 = ((SdrEdgeLine1DeltaItem&)rSet.Get(SDRATTR_EDGELINE1DELTA)).GetValue();
202 	sal_Int32 nVal2 = ((SdrEdgeLine2DeltaItem&)rSet.Get(SDRATTR_EDGELINE2DELTA)).GetValue();
203 	sal_Int32 nVal3 = ((SdrEdgeLine3DeltaItem&)rSet.Get(SDRATTR_EDGELINE3DELTA)).GetValue();
204 
205 	if(eKind == SDREDGE_ORTHOLINES || eKind == SDREDGE_BEZIER)
206 	{
207 		sal_Int32 nVals[3] = { nVal1, nVal2, nVal3 };
208 		sal_uInt16 n = 0;
209 
210 		if(aEdgeInfo.nObj1Lines >= 2 && n < 3)
211 		{
212 			aEdgeInfo.ImpSetLineVersatz(OBJ1LINE2, *pEdgeTrack, nVals[n]);
213 			n++;
214 		}
215 
216 		if(aEdgeInfo.nObj1Lines >= 3 && n < 3)
217 		{
218 			aEdgeInfo.ImpSetLineVersatz(OBJ1LINE3, *pEdgeTrack, nVals[n]);
219 			n++;
220 		}
221 
222 		if(aEdgeInfo.nMiddleLine != 0xFFFF && n < 3)
223 		{
224 			aEdgeInfo.ImpSetLineVersatz(MIDDLELINE, *pEdgeTrack, nVals[n]);
225 			n++;
226 		}
227 
228 		if(aEdgeInfo.nObj2Lines >= 3 && n < 3)
229 		{
230 			aEdgeInfo.ImpSetLineVersatz(OBJ2LINE3, *pEdgeTrack, nVals[n]);
231 			n++;
232 		}
233 
234 		if(aEdgeInfo.nObj2Lines >= 2 && n < 3)
235 		{
236 			aEdgeInfo.ImpSetLineVersatz(OBJ2LINE2, *pEdgeTrack, nVals[n]);
237 			n++;
238 		}
239 	}
240 	else if(eKind == SDREDGE_THREELINES)
241 	{
242 		sal_Bool bHor1 = aEdgeInfo.nAngle1 == 0 || aEdgeInfo.nAngle1 == 18000;
243 		sal_Bool bHor2 = aEdgeInfo.nAngle2 == 0 || aEdgeInfo.nAngle2 == 18000;
244 
245 		if(bHor1)
246 		{
247 			aEdgeInfo.aObj1Line2.X() = nVal1;
248 		}
249 		else
250 		{
251 			aEdgeInfo.aObj1Line2.Y() = nVal1;
252 		}
253 
254 		if(bHor2)
255 		{
256 			aEdgeInfo.aObj2Line2.X() = nVal2;
257 		}
258 		else
259 		{
260 			aEdgeInfo.aObj2Line2.Y() = nVal2;
261 		}
262 	}
263 
264 	// #84649#
265 	ImpDirtyEdgeTrack();
266 }
267 
268 void SdrEdgeObj::ImpSetEdgeInfoToAttr()
269 {
270 	const SfxItemSet& rSet = GetObjectItemSet();
271 	SdrEdgeKind eKind = ((SdrEdgeKindItem&)(rSet.Get(SDRATTR_EDGEKIND))).GetValue();
272 	sal_Int32 nValAnz = ((SdrEdgeLineDeltaAnzItem&)rSet.Get(SDRATTR_EDGELINEDELTAANZ)).GetValue();
273 	sal_Int32 nVal1 = ((SdrEdgeLine1DeltaItem&)rSet.Get(SDRATTR_EDGELINE1DELTA)).GetValue();
274 	sal_Int32 nVal2 = ((SdrEdgeLine2DeltaItem&)rSet.Get(SDRATTR_EDGELINE2DELTA)).GetValue();
275 	sal_Int32 nVal3 = ((SdrEdgeLine3DeltaItem&)rSet.Get(SDRATTR_EDGELINE3DELTA)).GetValue();
276 	sal_Int32 nVals[3] = { nVal1, nVal2, nVal3 };
277 	sal_uInt16 n = 0;
278 
279 	if(eKind == SDREDGE_ORTHOLINES || eKind == SDREDGE_BEZIER)
280 	{
281 		if(aEdgeInfo.nObj1Lines >= 2 && n < 3)
282 		{
283 			nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ1LINE2, *pEdgeTrack);
284 			n++;
285 		}
286 
287 		if(aEdgeInfo.nObj1Lines >= 3 && n < 3)
288 		{
289 			nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ1LINE3, *pEdgeTrack);
290 			n++;
291 		}
292 
293 		if(aEdgeInfo.nMiddleLine != 0xFFFF && n < 3)
294 		{
295 			nVals[n] = aEdgeInfo.ImpGetLineVersatz(MIDDLELINE, *pEdgeTrack);
296 			n++;
297 		}
298 
299 		if(aEdgeInfo.nObj2Lines >= 3 && n < 3)
300 		{
301 			nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ2LINE3, *pEdgeTrack);
302 			n++;
303 		}
304 
305 		if(aEdgeInfo.nObj2Lines >= 2 && n < 3)
306 		{
307 			nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ2LINE2, *pEdgeTrack);
308 			n++;
309 		}
310 	}
311 	else if(eKind == SDREDGE_THREELINES)
312 	{
313 		sal_Bool bHor1 = aEdgeInfo.nAngle1 == 0 || aEdgeInfo.nAngle1 == 18000;
314 		sal_Bool bHor2 = aEdgeInfo.nAngle2 == 0 || aEdgeInfo.nAngle2 == 18000;
315 
316 		n = 2;
317 		nVals[0] = bHor1 ? aEdgeInfo.aObj1Line2.X() : aEdgeInfo.aObj1Line2.Y();
318 		nVals[1] = bHor2 ? aEdgeInfo.aObj2Line2.X() : aEdgeInfo.aObj2Line2.Y();
319 	}
320 
321 	if(n != nValAnz || nVals[0] != nVal1 || nVals[1] != nVal2 || nVals[2] != nVal3)
322 	{
323 		// #75371# Here no more notifying is necessary, just local changes are OK.
324 		if(n != nValAnz)
325 		{
326 			GetProperties().SetObjectItemDirect(SdrEdgeLineDeltaAnzItem(n));
327 		}
328 
329 		if(nVals[0] != nVal1)
330 		{
331 			GetProperties().SetObjectItemDirect(SdrEdgeLine1DeltaItem(nVals[0]));
332 		}
333 
334 		if(nVals[1] != nVal2)
335 		{
336 			GetProperties().SetObjectItemDirect(SdrEdgeLine2DeltaItem(nVals[1]));
337 		}
338 
339 		if(nVals[2] != nVal3)
340 		{
341 			GetProperties().SetObjectItemDirect(SdrEdgeLine3DeltaItem(nVals[2]));
342 		}
343 
344 		if(n < 3)
345 		{
346 			GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE3DELTA);
347 		}
348 
349 		if(n < 2)
350 		{
351 			GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE2DELTA);
352 		}
353 
354 		if(n < 1)
355 		{
356 			GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE1DELTA);
357 		}
358 	}
359 }
360 
361 void SdrEdgeObj::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const
362 {
363     // #54102# allow rotation, mirror and shear
364 	rInfo.bRotateFreeAllowed = true;
365 	rInfo.bRotate90Allowed = true;
366 	rInfo.bMirrorFreeAllowed = true;
367 	rInfo.bMirror45Allowed = true;
368 	rInfo.bMirror90Allowed = true;
369 	rInfo.bTransparenceAllowed = sal_False;
370 	rInfo.bGradientAllowed = sal_False;
371 	rInfo.bShearAllowed = true;
372 	rInfo.bEdgeRadiusAllowed = sal_False;
373 	FASTBOOL bCanConv=!HasText() || ImpCanConvTextToCurve();
374 	rInfo.bCanConvToPath=bCanConv;
375 	rInfo.bCanConvToPoly=bCanConv;
376 	rInfo.bCanConvToContour = (rInfo.bCanConvToPoly || LineGeometryUsageIsNecessary());
377 }
378 
379 sal_uInt16 SdrEdgeObj::GetObjIdentifier() const
380 {
381 	return sal_uInt16(OBJ_EDGE);
382 }
383 
384 const Rectangle& SdrEdgeObj::GetCurrentBoundRect() const
385 {
386 	if(bEdgeTrackDirty)
387 	{
388 		((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
389 	}
390 
391 	return SdrTextObj::GetCurrentBoundRect();
392 }
393 
394 const Rectangle& SdrEdgeObj::GetSnapRect() const
395 {
396 	if(bEdgeTrackDirty)
397 	{
398 		((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
399 	}
400 
401 	return SdrTextObj::GetSnapRect();
402 }
403 
404 void SdrEdgeObj::RecalcSnapRect()
405 {
406 	maSnapRect=pEdgeTrack->GetBoundRect();
407 }
408 
409 void SdrEdgeObj::TakeUnrotatedSnapRect(Rectangle& rRect) const
410 {
411 	rRect=GetSnapRect();
412 }
413 
414 FASTBOOL SdrEdgeObj::IsNode() const
415 {
416 	return sal_True;
417 }
418 
419 SdrGluePoint SdrEdgeObj::GetVertexGluePoint(sal_uInt16 nNum) const
420 {
421 	Point aPt;
422 	sal_uInt16 nPntAnz=pEdgeTrack->GetPointCount();
423 	if (nPntAnz>0)
424 	{
425 		Point aOfs = GetSnapRect().Center();
426 		if (nNum==2 && GetConnectedNode(sal_True)==NULL) aPt=(*pEdgeTrack)[0];
427 		else if (nNum==3 && GetConnectedNode(sal_False)==NULL) aPt=(*pEdgeTrack)[nPntAnz-1];
428 		else {
429 			if ((nPntAnz & 1) ==1) {
430 				aPt=(*pEdgeTrack)[nPntAnz/2];
431 			} else {
432 				Point aPt1((*pEdgeTrack)[nPntAnz/2-1]);
433 				Point aPt2((*pEdgeTrack)[nPntAnz/2]);
434 				aPt1+=aPt2;
435 				aPt1.X()/=2;
436 				aPt1.Y()/=2;
437 				aPt=aPt1;
438 			}
439 		}
440 		aPt-=aOfs;
441 	}
442 	SdrGluePoint aGP(aPt);
443 	aGP.SetPercent(sal_False);
444 	return aGP;
445 }
446 
447 SdrGluePoint SdrEdgeObj::GetCornerGluePoint(sal_uInt16 nNum) const
448 {
449 	return GetVertexGluePoint(nNum);
450 }
451 
452 const SdrGluePointList* SdrEdgeObj::GetGluePointList() const
453 {
454 	return NULL; // Keine benutzerdefinierten Klebepunkte fuer Verbinder #31671#
455 }
456 
457 SdrGluePointList* SdrEdgeObj::ForceGluePointList()
458 {
459 	return NULL; // Keine benutzerdefinierten Klebepunkte fuer Verbinder #31671#
460 }
461 
462 FASTBOOL SdrEdgeObj::IsEdge() const
463 {
464 	return sal_True;
465 }
466 
467 void SdrEdgeObj::ConnectToNode(FASTBOOL bTail1, SdrObject* pObj)
468 {
469 	SdrObjConnection& rCon=GetConnection(bTail1);
470 	DisconnectFromNode(bTail1);
471 	if (pObj!=NULL) {
472 		pObj->AddListener(*this);
473 		rCon.pObj=pObj;
474 
475         // #120437# If connection is set, reset bEdgeTrackUserDefined
476 	    bEdgeTrackUserDefined = false;
477 
478         ImpDirtyEdgeTrack();
479 	}
480 }
481 
482 void SdrEdgeObj::DisconnectFromNode(FASTBOOL bTail1)
483 {
484 	SdrObjConnection& rCon=GetConnection(bTail1);
485 	if (rCon.pObj!=NULL) {
486 		rCon.pObj->RemoveListener(*this);
487 		rCon.pObj=NULL;
488 	}
489 }
490 
491 SdrObject* SdrEdgeObj::GetConnectedNode(FASTBOOL bTail1) const
492 {
493 	SdrObject* pObj=GetConnection(bTail1).pObj;
494 	if (pObj!=NULL && (pObj->GetPage()!=pPage || !pObj->IsInserted())) pObj=NULL;
495 	return pObj;
496 }
497 
498 FASTBOOL SdrEdgeObj::CheckNodeConnection(FASTBOOL bTail1) const
499 {
500 	FASTBOOL bRet=sal_False;
501 	const SdrObjConnection& rCon=GetConnection(bTail1);
502 	sal_uInt16 nPtAnz=pEdgeTrack->GetPointCount();
503 	if (rCon.pObj!=NULL && rCon.pObj->GetPage()==pPage && nPtAnz!=0) {
504 		const SdrGluePointList* pGPL=rCon.pObj->GetGluePointList();
505 		sal_uInt16 nConAnz=pGPL==NULL ? 0 : pGPL->GetCount();
506 		sal_uInt16 nGesAnz=nConAnz+8;
507 		Point aTail(bTail1 ? (*pEdgeTrack)[0] : (*pEdgeTrack)[sal_uInt16(nPtAnz-1)]);
508 		for (sal_uInt16 i=0; i<nGesAnz && !bRet; i++) {
509 			if (i<nConAnz) { // UserDefined
510 				bRet=aTail==(*pGPL)[i].GetAbsolutePos(*rCon.pObj);
511 			} else if (i<nConAnz+4) { // Vertex
512 				SdrGluePoint aPt(rCon.pObj->GetVertexGluePoint(i-nConAnz));
513 				bRet=aTail==aPt.GetAbsolutePos(*rCon.pObj);
514 			} else {                  // Corner
515 				SdrGluePoint aPt(rCon.pObj->GetCornerGluePoint(i-nConAnz-4));
516 				bRet=aTail==aPt.GetAbsolutePos(*rCon.pObj);
517 			}
518 		}
519 	}
520 	return bRet;
521 }
522 
523 void SdrEdgeObj::ImpSetTailPoint(FASTBOOL bTail1, const Point& rPt)
524 {
525 	sal_uInt16 nPtAnz=pEdgeTrack->GetPointCount();
526 	if (nPtAnz==0) {
527 		(*pEdgeTrack)[0]=rPt;
528 		(*pEdgeTrack)[1]=rPt;
529 	} else if (nPtAnz==1) {
530 		if (!bTail1) (*pEdgeTrack)[1]=rPt;
531 		else { (*pEdgeTrack)[1]=(*pEdgeTrack)[0]; (*pEdgeTrack)[0]=rPt; }
532 	} else {
533 		if (!bTail1) (*pEdgeTrack)[sal_uInt16(nPtAnz-1)]=rPt;
534 		else (*pEdgeTrack)[0]=rPt;
535 	}
536 	ImpRecalcEdgeTrack();
537 	SetRectsDirty();
538 }
539 
540 void SdrEdgeObj::ImpDirtyEdgeTrack()
541 {
542 	if ( !bEdgeTrackUserDefined || !(GetModel() && GetModel()->isLocked()) )
543 		bEdgeTrackDirty = sal_True;
544 }
545 
546 void SdrEdgeObj::ImpUndirtyEdgeTrack()
547 {
548 	if (bEdgeTrackDirty && (GetModel() && GetModel()->isLocked()) ) {
549 		ImpRecalcEdgeTrack();
550 	}
551 }
552 
553 void SdrEdgeObj::ImpRecalcEdgeTrack()
554 {
555     // #120437# if bEdgeTrackUserDefined, do not recalculate. Also not when model locked
556 	if(bEdgeTrackUserDefined || !GetModel() || GetModel()->isLocked())
557     {
558 		return;
559     }
560 
561 	// #110649#
562 	if(IsBoundRectCalculationRunning())
563 	{
564 		// this object is involved into another ImpRecalcEdgeTrack() call
565 		// from another SdrEdgeObj. Do not calculate again to avoid loop.
566 		// Also, do not change bEdgeTrackDirty so that it gets recalculated
567 		// later at the first non-looping call.
568 	}
569 	// #i43068#
570 	else if(GetModel() && GetModel()->isLocked())
571 	{
572 		// avoid re-layout during imports/API call sequences
573 		// #i45294# but calc EdgeTrack and secure properties there
574 		mbBoundRectCalculationRunning = sal_True;
575 		*pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
576 		ImpSetAttrToEdgeInfo();
577 		bEdgeTrackDirty=sal_False;
578 		mbBoundRectCalculationRunning = sal_False;
579 	}
580 	else
581 	{
582 		// To not run in a depth loop, use a coloring algorythm on
583 		// SdrEdgeObj BoundRect calculations
584 		mbBoundRectCalculationRunning = sal_True;
585 
586 		Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetCurrentBoundRect();
587 		SetRectsDirty();
588 		// #110094#-14 if (!bEdgeTrackDirty) SendRepaintBroadcast();
589 		*pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
590 		ImpSetEdgeInfoToAttr(); // Die Werte aus aEdgeInfo in den Pool kopieren
591 		bEdgeTrackDirty=sal_False;
592 
593 		// Only redraw here, no object change
594 		ActionChanged();
595 		// BroadcastObjectChange();
596 
597 		SendUserCall(SDRUSERCALL_RESIZE,aBoundRect0);
598 
599 		// #110649#
600 		mbBoundRectCalculationRunning = sal_False;
601 	}
602 }
603 
604 sal_uInt16 SdrEdgeObj::ImpCalcEscAngle(SdrObject* pObj, const Point& rPt) const
605 {
606 	if (pObj==NULL) return SDRESC_ALL;
607 	Rectangle aR(pObj->GetSnapRect());
608 	long dxl=rPt.X()-aR.Left();
609 	long dyo=rPt.Y()-aR.Top();
610 	long dxr=aR.Right()-rPt.X();
611 	long dyu=aR.Bottom()-rPt.Y();
612 	FASTBOOL bxMitt=Abs(dxl-dxr)<2;
613 	FASTBOOL byMitt=Abs(dyo-dyu)<2;
614 	long dx=Min(dxl,dxr);
615 	long dy=Min(dyo,dyu);
616 	FASTBOOL bDiag=Abs(dx-dy)<2;
617 	if (bxMitt && byMitt) return SDRESC_ALL; // In der Mitte
618 	if (bDiag) {  // diagonal
619 		sal_uInt16 nRet=0;
620 		if (byMitt) nRet|=SDRESC_VERT;
621 		if (bxMitt) nRet|=SDRESC_HORZ;
622 		if (dxl<dxr) { // Links
623 			if (dyo<dyu) nRet|=SDRESC_LEFT | SDRESC_TOP;
624 			else nRet|=SDRESC_LEFT | SDRESC_BOTTOM;
625 		} else {       // Rechts
626 			if (dyo<dyu) nRet|=SDRESC_RIGHT | SDRESC_TOP;
627 			else nRet|=SDRESC_RIGHT | SDRESC_BOTTOM;
628 		}
629 		return nRet;
630 	}
631 	if (dx<dy) { // waagerecht
632 		if (bxMitt) return SDRESC_HORZ;
633 		if (dxl<dxr) return SDRESC_LEFT;
634 		else return SDRESC_RIGHT;
635 	} else {     // senkrecht
636 		if (byMitt) return SDRESC_VERT;
637 		if (dyo<dyu) return SDRESC_TOP;
638 		else return SDRESC_BOTTOM;
639 	}
640 }
641 
642 FASTBOOL SdrEdgeObj::ImpStripPolyPoints(XPolygon& /*rXP*/) const
643 {
644 	// fehlende Implementation !!!
645 	return sal_False;
646 }
647 
648 XPolygon SdrEdgeObj::ImpCalcObjToCenter(const Point& rStPt, long nEscAngle, const Rectangle& rRect, const Point& rMeeting) const
649 {
650 	XPolygon aXP;
651 	aXP.Insert(XPOLY_APPEND,rStPt,XPOLY_NORMAL);
652 	FASTBOOL bRts=nEscAngle==0;
653 	FASTBOOL bObn=nEscAngle==9000;
654 	FASTBOOL bLks=nEscAngle==18000;
655 	FASTBOOL bUnt=nEscAngle==27000;
656 
657 	Point aP1(rStPt); // erstmal den Pflichtabstand
658 	if (bLks) aP1.X()=rRect.Left();
659 	if (bRts) aP1.X()=rRect.Right();
660 	if (bObn) aP1.Y()=rRect.Top();
661 	if (bUnt) aP1.Y()=rRect.Bottom();
662 
663 	FASTBOOL bFinish=sal_False;
664 	if (!bFinish) {
665 		Point aP2(aP1); // Und nun den Pflichtabstand ggf. bis auf Meetinghoehe erweitern
666 		if (bLks && rMeeting.X()<=aP2.X()) aP2.X()=rMeeting.X();
667 		if (bRts && rMeeting.X()>=aP2.X()) aP2.X()=rMeeting.X();
668 		if (bObn && rMeeting.Y()<=aP2.Y()) aP2.Y()=rMeeting.Y();
669 		if (bUnt && rMeeting.Y()>=aP2.Y()) aP2.Y()=rMeeting.Y();
670 		aXP.Insert(XPOLY_APPEND,aP2,XPOLY_NORMAL);
671 
672 		Point aP3(aP2);
673 		if ((bLks && rMeeting.X()>aP2.X()) || (bRts && rMeeting.X()<aP2.X())) { // Aussenrum
674 			if (rMeeting.Y()<aP2.Y()) {
675 				aP3.Y()=rRect.Top();
676 				if (rMeeting.Y()<aP3.Y()) aP3.Y()=rMeeting.Y();
677 			} else {
678 				aP3.Y()=rRect.Bottom();
679 				if (rMeeting.Y()>aP3.Y()) aP3.Y()=rMeeting.Y();
680 			}
681 			aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
682 			if (aP3.Y()!=rMeeting.Y()) {
683 				aP3.X()=rMeeting.X();
684 				aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
685 			}
686 		}
687 		if ((bObn && rMeeting.Y()>aP2.Y()) || (bUnt && rMeeting.Y()<aP2.Y())) { // Aussenrum
688 			if (rMeeting.X()<aP2.X()) {
689 				aP3.X()=rRect.Left();
690 				if (rMeeting.X()<aP3.X()) aP3.X()=rMeeting.X();
691 			} else {
692 				aP3.X()=rRect.Right();
693 				if (rMeeting.X()>aP3.X()) aP3.X()=rMeeting.X();
694 			}
695 			aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
696 			if (aP3.X()!=rMeeting.X()) {
697 				aP3.Y()=rMeeting.Y();
698 				aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
699 			}
700 		}
701 	}
702 #ifdef DBG_UTIL
703 	if (aXP.GetPointCount()>4) {
704 		DBG_ERROR("SdrEdgeObj::ImpCalcObjToCenter(): Polygon hat mehr als 4 Punkte!");
705 	}
706 #endif
707 	return aXP;
708 }
709 
710 XPolygon SdrEdgeObj::ImpCalcEdgeTrack(const XPolygon& rTrack0, SdrObjConnection& rCon1, SdrObjConnection& rCon2, SdrEdgeInfoRec* pInfo) const
711 {
712 	Point aPt1,aPt2;
713 	SdrGluePoint aGP1,aGP2;
714 	sal_uInt16 nEsc1=SDRESC_ALL,nEsc2=SDRESC_ALL;
715 	Rectangle aBoundRect1;
716 	Rectangle aBoundRect2;
717 	Rectangle aBewareRect1;
718 	Rectangle aBewareRect2;
719 	// Erstmal die alten Endpunkte wiederholen
720 	if (rTrack0.GetPointCount()!=0) {
721 		aPt1=rTrack0[0];
722 		sal_uInt16 nSiz=rTrack0.GetPointCount();
723 		nSiz--;
724 		aPt2=rTrack0[nSiz];
725 	} else {
726 		if (!aOutRect.IsEmpty()) {
727 			aPt1=aOutRect.TopLeft();
728 			aPt2=aOutRect.BottomRight();
729 		}
730 	}
731 
732     // #54102# To allow interactive preview, do also if not inserted
733 	FASTBOOL bCon1=rCon1.pObj!=NULL && rCon1.pObj->GetPage()==pPage; // && rCon1.pObj->IsInserted();
734 	FASTBOOL bCon2=rCon2.pObj!=NULL && rCon2.pObj->GetPage()==pPage; // && rCon2.pObj->IsInserted();
735 	const SfxItemSet& rSet = GetObjectItemSet();
736 
737 	if (bCon1) {
738 		if (rCon1.pObj==(SdrObject*)this)
739 		{
740 			// sicherheitshalber Abfragen #44515#
741 			aBoundRect1=aOutRect;
742 		}
743 		else
744 		{
745 			aBoundRect1 = rCon1.pObj->GetCurrentBoundRect();
746 		}
747 		aBoundRect1.Move(rCon1.aObjOfs.X(),rCon1.aObjOfs.Y());
748 		aBewareRect1=aBoundRect1;
749 
750 		sal_Int32 nH = ((SdrEdgeNode1HorzDistItem&)rSet.Get(SDRATTR_EDGENODE1HORZDIST)).GetValue();
751 		sal_Int32 nV = ((SdrEdgeNode1VertDistItem&)rSet.Get(SDRATTR_EDGENODE1VERTDIST)).GetValue();
752 
753 		aBewareRect1.Left()-=nH;
754 		aBewareRect1.Right()+=nH;
755 		aBewareRect1.Top()-=nV;
756 		aBewareRect1.Bottom()+=nV;
757 	} else {
758 		aBoundRect1=Rectangle(aPt1,aPt1);
759 		aBoundRect1.Move(rCon1.aObjOfs.X(),rCon1.aObjOfs.Y());
760 		aBewareRect1=aBoundRect1;
761 	}
762 	if (bCon2) {
763 		if (rCon2.pObj==(SdrObject*)this) { // sicherheitshalber Abfragen #44515#
764 			aBoundRect2=aOutRect;
765 		}
766 		else
767 		{
768 			aBoundRect2 = rCon2.pObj->GetCurrentBoundRect();
769 		}
770 		aBoundRect2.Move(rCon2.aObjOfs.X(),rCon2.aObjOfs.Y());
771 		aBewareRect2=aBoundRect2;
772 
773 		sal_Int32 nH = ((SdrEdgeNode2HorzDistItem&)rSet.Get(SDRATTR_EDGENODE2HORZDIST)).GetValue();
774 		sal_Int32 nV = ((SdrEdgeNode2VertDistItem&)rSet.Get(SDRATTR_EDGENODE2VERTDIST)).GetValue();
775 
776 		aBewareRect2.Left()-=nH;
777 		aBewareRect2.Right()+=nH;
778 		aBewareRect2.Top()-=nV;
779 		aBewareRect2.Bottom()+=nV;
780 	} else {
781 		aBoundRect2=Rectangle(aPt2,aPt2);
782 		aBoundRect2.Move(rCon2.aObjOfs.X(),rCon2.aObjOfs.Y());
783 		aBewareRect2=aBoundRect2;
784 	}
785 	XPolygon aBestXP;
786 	sal_uIntPtr nBestQual=0xFFFFFFFF;
787 	SdrEdgeInfoRec aBestInfo;
788 	FASTBOOL bAuto1=bCon1 && rCon1.bBestVertex;
789 	FASTBOOL bAuto2=bCon2 && rCon2.bBestVertex;
790 	if (bAuto1) rCon1.bAutoVertex=sal_True;
791 	if (bAuto2) rCon2.bAutoVertex=sal_True;
792 	sal_uInt16 nBestAuto1=0;
793 	sal_uInt16 nBestAuto2=0;
794 	sal_uInt16 nAnz1=bAuto1 ? 4 : 1;
795 	sal_uInt16 nAnz2=bAuto2 ? 4 : 1;
796 	for (sal_uInt16 nNum1=0; nNum1<nAnz1; nNum1++) {
797 		if (bAuto1) rCon1.nConId=nNum1;
798 		if (bCon1 && rCon1.TakeGluePoint(aGP1,sal_True)) {
799 			aPt1=aGP1.GetPos();
800 			nEsc1=aGP1.GetEscDir();
801 			if (nEsc1==SDRESC_SMART) nEsc1=ImpCalcEscAngle(rCon1.pObj,aPt1-rCon1.aObjOfs);
802 		}
803 		for (sal_uInt16 nNum2=0; nNum2<nAnz2; nNum2++) {
804 			if (bAuto2) rCon2.nConId=nNum2;
805 			if (bCon2 && rCon2.TakeGluePoint(aGP2,sal_True)) {
806 				aPt2=aGP2.GetPos();
807 				nEsc2=aGP2.GetEscDir();
808 				if (nEsc2==SDRESC_SMART) nEsc2=ImpCalcEscAngle(rCon2.pObj,aPt2-rCon2.aObjOfs);
809 			}
810 			for (long nA1=0; nA1<36000; nA1+=9000) {
811 				sal_uInt16 nE1=nA1==0 ? SDRESC_RIGHT : nA1==9000 ? SDRESC_TOP : nA1==18000 ? SDRESC_LEFT : nA1==27000 ? SDRESC_BOTTOM : 0;
812 				for (long nA2=0; nA2<36000; nA2+=9000) {
813 					sal_uInt16 nE2=nA2==0 ? SDRESC_RIGHT : nA2==9000 ? SDRESC_TOP : nA2==18000 ? SDRESC_LEFT : nA2==27000 ? SDRESC_BOTTOM : 0;
814 					if ((nEsc1&nE1)!=0 && (nEsc2&nE2)!=0) {
815 						sal_uIntPtr nQual=0;
816 						SdrEdgeInfoRec aInfo;
817 						if (pInfo!=NULL) aInfo=*pInfo;
818 						XPolygon aXP(ImpCalcEdgeTrack(aPt1,nA1,aBoundRect1,aBewareRect1,aPt2,nA2,aBoundRect2,aBewareRect2,&nQual,&aInfo));
819 						if (nQual<nBestQual) {
820 							aBestXP=aXP;
821 							nBestQual=nQual;
822 							aBestInfo=aInfo;
823 							nBestAuto1=nNum1;
824 							nBestAuto2=nNum2;
825 						}
826 					}
827 				}
828 			}
829 		}
830 	}
831 	if (bAuto1) rCon1.nConId=nBestAuto1;
832 	if (bAuto2) rCon2.nConId=nBestAuto2;
833 	if (pInfo!=NULL) *pInfo=aBestInfo;
834 	return aBestXP;
835 }
836 
837 XPolygon SdrEdgeObj::ImpCalcEdgeTrack(const Point& rPt1, long nAngle1, const Rectangle& rBoundRect1, const Rectangle& rBewareRect1,
838 	const Point& rPt2, long nAngle2, const Rectangle& rBoundRect2, const Rectangle& rBewareRect2,
839 	sal_uIntPtr* pnQuality, SdrEdgeInfoRec* pInfo) const
840 {
841 	SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
842 	FASTBOOL bRts1=nAngle1==0;
843 	FASTBOOL bObn1=nAngle1==9000;
844 	FASTBOOL bLks1=nAngle1==18000;
845 	FASTBOOL bUnt1=nAngle1==27000;
846 	FASTBOOL bHor1=bLks1 || bRts1;
847 	FASTBOOL bVer1=bObn1 || bUnt1;
848 	FASTBOOL bRts2=nAngle2==0;
849 	FASTBOOL bObn2=nAngle2==9000;
850 	FASTBOOL bLks2=nAngle2==18000;
851 	FASTBOOL bUnt2=nAngle2==27000;
852 	FASTBOOL bHor2=bLks2 || bRts2;
853 	FASTBOOL bVer2=bObn2 || bUnt2;
854 	FASTBOOL bInfo=pInfo!=NULL;
855 	if (bInfo) {
856 		pInfo->cOrthoForm=0;
857 		pInfo->nAngle1=nAngle1;
858 		pInfo->nAngle2=nAngle2;
859 		pInfo->nObj1Lines=1;
860 		pInfo->nObj2Lines=1;
861 		pInfo->nMiddleLine=0xFFFF;
862 	}
863 	Point aPt1(rPt1);
864 	Point aPt2(rPt2);
865 	Rectangle aBoundRect1 (rBoundRect1 );
866 	Rectangle aBoundRect2 (rBoundRect2 );
867 	Rectangle aBewareRect1(rBewareRect1);
868 	Rectangle aBewareRect2(rBewareRect2);
869 	Point aMeeting((aPt1.X()+aPt2.X()+1)/2,(aPt1.Y()+aPt2.Y()+1)/2);
870 	FASTBOOL bMeetingXMid=sal_True;
871 	FASTBOOL bMeetingYMid=sal_True;
872 	if (eKind==SDREDGE_ONELINE) {
873 		XPolygon aXP(2);
874 		aXP[0]=rPt1;
875 		aXP[1]=rPt2;
876 		if (pnQuality!=NULL) {
877 			*pnQuality=Abs(rPt1.X()-rPt2.X())+Abs(rPt1.Y()-rPt2.Y());
878 		}
879 		return aXP;
880 	} else if (eKind==SDREDGE_THREELINES) {
881 		XPolygon aXP(4);
882 		aXP[0]=rPt1;
883 		aXP[1]=rPt1;
884 		aXP[2]=rPt2;
885 		aXP[3]=rPt2;
886 		if (bRts1) aXP[1].X()=aBewareRect1.Right();  //+=500;
887 		if (bObn1) aXP[1].Y()=aBewareRect1.Top();    //-=500;
888 		if (bLks1) aXP[1].X()=aBewareRect1.Left();   //-=500;
889 		if (bUnt1) aXP[1].Y()=aBewareRect1.Bottom(); //+=500;
890 		if (bRts2) aXP[2].X()=aBewareRect2.Right();  //+=500;
891 		if (bObn2) aXP[2].Y()=aBewareRect2.Top();    //-=500;
892 		if (bLks2) aXP[2].X()=aBewareRect2.Left();   //-=500;
893 		if (bUnt2) aXP[2].Y()=aBewareRect2.Bottom(); //+=500;
894 		if (pnQuality!=NULL) {
895 			long nQ=Abs(aXP[1].X()-aXP[0].X())+Abs(aXP[1].Y()-aXP[0].Y());
896 				nQ+=Abs(aXP[2].X()-aXP[1].X())+Abs(aXP[2].Y()-aXP[1].Y());
897 				nQ+=Abs(aXP[3].X()-aXP[2].X())+Abs(aXP[3].Y()-aXP[2].Y());
898 			*pnQuality=nQ;
899 		}
900 		if (bInfo) {
901 			pInfo->nObj1Lines=2;
902 			pInfo->nObj2Lines=2;
903 			if (bHor1) {
904 				aXP[1].X()+=pInfo->aObj1Line2.X();
905 			} else {
906 				aXP[1].Y()+=pInfo->aObj1Line2.Y();
907 			}
908 			if (bHor2) {
909 				aXP[2].X()+=pInfo->aObj2Line2.X();
910 			} else {
911 				aXP[2].Y()+=pInfo->aObj2Line2.Y();
912 			}
913 		}
914 		return aXP;
915 	}
916 	sal_uInt16 nIntersections=0;
917 	FASTBOOL bForceMeeting=sal_False; // Muss die Linie durch den MeetingPoint laufen?
918 	{
919 		Point aC1(aBewareRect1.Center());
920 		Point aC2(aBewareRect2.Center());
921 		if (aBewareRect1.Left()<=aBewareRect2.Right() && aBewareRect1.Right()>=aBewareRect2.Left()) {
922 			// Ueberschneidung auf der X-Achse
923 			long n1=Max(aBewareRect1.Left(),aBewareRect2.Left());
924 			long n2=Min(aBewareRect1.Right(),aBewareRect2.Right());
925 			aMeeting.X()=(n1+n2+1)/2;
926 		} else {
927 			// Ansonsten den Mittelpunkt des Freiraums
928 			if (aC1.X()<aC2.X()) {
929 				aMeeting.X()=(aBewareRect1.Right()+aBewareRect2.Left()+1)/2;
930 			} else {
931 				aMeeting.X()=(aBewareRect1.Left()+aBewareRect2.Right()+1)/2;
932 			}
933 		}
934 		if (aBewareRect1.Top()<=aBewareRect2.Bottom() && aBewareRect1.Bottom()>=aBewareRect2.Top()) {
935 			// Ueberschneidung auf der Y-Achse
936 			long n1=Max(aBewareRect1.Top(),aBewareRect2.Top());
937 			long n2=Min(aBewareRect1.Bottom(),aBewareRect2.Bottom());
938 			aMeeting.Y()=(n1+n2+1)/2;
939 		} else {
940 			// Ansonsten den Mittelpunkt des Freiraums
941 			if (aC1.Y()<aC2.Y()) {
942 				aMeeting.Y()=(aBewareRect1.Bottom()+aBewareRect2.Top()+1)/2;
943 			} else {
944 				aMeeting.Y()=(aBewareRect1.Top()+aBewareRect2.Bottom()+1)/2;
945 			}
946 		}
947 		// Im Prinzip gibt es 3 zu unterscheidene Faelle:
948 		//   1. Beide in die selbe Richtung
949 		//   2. Beide in genau entgegengesetzte Richtungen
950 		//   3. Einer waagerecht und der andere senkrecht
951 		long nXMin=Min(aBewareRect1.Left(),aBewareRect2.Left());
952 		long nXMax=Max(aBewareRect1.Right(),aBewareRect2.Right());
953 		long nYMin=Min(aBewareRect1.Top(),aBewareRect2.Top());
954 		long nYMax=Max(aBewareRect1.Bottom(),aBewareRect2.Bottom());
955 		FASTBOOL bBewareOverlap=aBewareRect1.Right()>aBewareRect2.Left() && aBewareRect1.Left()<aBewareRect2.Right() &&
956 								aBewareRect1.Bottom()>aBewareRect2.Top() && aBewareRect1.Top()<aBewareRect2.Bottom();
957 		unsigned nMainCase=3;
958 		if (nAngle1==nAngle2) nMainCase=1;
959 		else if ((bHor1 && bHor2) || (bVer1 && bVer2)) nMainCase=2;
960 		if (nMainCase==1) { // Fall 1: Beide in eine Richtung moeglich.
961 			if (bVer1) aMeeting.X()=(aPt1.X()+aPt2.X()+1)/2; // ist hier besser, als der
962 			if (bHor1) aMeeting.Y()=(aPt1.Y()+aPt2.Y()+1)/2; // Mittelpunkt des Freiraums
963 			// bX1Ok bedeutet, dass die Vertikale, die aus Obj1 austritt, keinen Konflikt mit Obj2 bildet, ...
964 			FASTBOOL bX1Ok=aPt1.X()<=aBewareRect2.Left() || aPt1.X()>=aBewareRect2.Right();
965 			FASTBOOL bX2Ok=aPt2.X()<=aBewareRect1.Left() || aPt2.X()>=aBewareRect1.Right();
966 			FASTBOOL bY1Ok=aPt1.Y()<=aBewareRect2.Top() || aPt1.Y()>=aBewareRect2.Bottom();
967 			FASTBOOL bY2Ok=aPt2.Y()<=aBewareRect1.Top() || aPt2.Y()>=aBewareRect1.Bottom();
968 			if (bLks1 && (bY1Ok || aBewareRect1.Left()<aBewareRect2.Right()) && (bY2Ok || aBewareRect2.Left()<aBewareRect1.Right())) {
969 				aMeeting.X()=nXMin;
970 				bMeetingXMid=sal_False;
971 			}
972 			if (bRts1 && (bY1Ok || aBewareRect1.Right()>aBewareRect2.Left()) && (bY2Ok || aBewareRect2.Right()>aBewareRect1.Left())) {
973 				aMeeting.X()=nXMax;
974 				bMeetingXMid=sal_False;
975 			}
976 			if (bObn1 && (bX1Ok || aBewareRect1.Top()<aBewareRect2.Bottom()) && (bX2Ok || aBewareRect2.Top()<aBewareRect1.Bottom())) {
977 				aMeeting.Y()=nYMin;
978 				bMeetingYMid=sal_False;
979 			}
980 			if (bUnt1 && (bX1Ok || aBewareRect1.Bottom()>aBewareRect2.Top()) && (bX2Ok || aBewareRect2.Bottom()>aBewareRect1.Top())) {
981 				aMeeting.Y()=nYMax;
982 				bMeetingYMid=sal_False;
983 			}
984 		} else if (nMainCase==2) {
985 			// Fall 2:
986 			bForceMeeting=sal_True;
987 			if (bHor1) { // beide waagerecht
988                 /* 9 Moeglichkeiten:                   � � �                    */
989                 /*   2.1 Gegenueber, Ueberschneidung   � � �                    */
990                 /*       nur auf der Y-Achse           � � �                    */
991                 /*   2.2, 2.3 Gegenueber, vertikal versetzt. � � �   � � �      */
992                 /*            Ueberschneidung weder auf der  � � �   � � �      */
993                 /*            X- noch auf der Y-Achse        � � �   � � �      */
994                 /*   2.4, 2.5 Untereinander,   � � �   � � �                    */
995                 /*            Ueberschneidung  � � �   � � �                    */
996                 /*            nur auf X-Achse  � � �   � � �                    */
997                 /*   2.6, 2.7 Gegeneinander, vertikal versetzt. � � �   � � �   */
998                 /*            Ueberschneidung weder auf der     � � �   � � �   */
999                 /*            X- noch auf der Y-Achse.          � � �   � � �   */
1000                 /*   2.8 Gegeneinander.       � � �                             */
1001                 /*       Ueberschneidung nur  � � �                             */
1002                 /*       auf der Y-Achse.     � � �                             */
1003                 /*   2.9 Die BewareRects der Objekte ueberschneiden             */
1004                 /*       sich auf X- und Y-Achse.                               */
1005                 /* Die Faelle gelten entsprechend umgesetzt auch fuer           */
1006                 /* senkrechte Linienaustritte.                                  */
1007                 /* Die Faelle 2.1-2.7 werden mit dem Default-Meeting ausreichend*/
1008                 /* gut behandelt. Spezielle MeetingPoints werden hier also nur  */
1009                 /* fuer 2.8 und 2.9 bestimmt.                                   */
1010 
1011 				// Normalisierung. aR1 soll der nach rechts und
1012 				// aR2 der nach links austretende sein.
1013 				Rectangle aBewR1(bRts1 ? aBewareRect1 : aBewareRect2);
1014 				Rectangle aBewR2(bRts1 ? aBewareRect2 : aBewareRect1);
1015 				Rectangle aBndR1(bRts1 ? aBoundRect1 : aBoundRect2);
1016 				Rectangle aBndR2(bRts1 ? aBoundRect2 : aBoundRect1);
1017 				if (aBewR1.Bottom()>aBewR2.Top() && aBewR1.Top()<aBewR2.Bottom()) {
1018 					// Ueberschneidung auf der Y-Achse. Faelle 2.1, 2.8, 2.9
1019 					if (aBewR1.Right()>aBewR2.Left()) {
1020 						// Faelle 2.8, 2.9
1021 						// Fall 2.8 ist immer Aussenrumlauf (bDirect=sal_False).
1022 						// Fall 2.9 kann auch Direktverbindung sein (bei geringer
1023 						// Ueberschneidung der BewareRects ohne Ueberschneidung der
1024 						// Boundrects wenn die Linienaustritte sonst das BewareRect
1025 						// des jeweils anderen Objekts verletzen wuerden.
1026 						FASTBOOL bCase29Direct=sal_False;
1027 						FASTBOOL bCase29=aBewR1.Right()>aBewR2.Left();
1028 						if (aBndR1.Right()<=aBndR2.Left()) { // Fall 2.9 und keine Boundrectueberschneidung
1029 							if ((aPt1.Y()>aBewareRect2.Top() && aPt1.Y()<aBewareRect2.Bottom()) ||
1030 								(aPt2.Y()>aBewareRect1.Top() && aPt2.Y()<aBewareRect1.Bottom())) {
1031 							   bCase29Direct=sal_True;
1032 							}
1033 						}
1034 						if (!bCase29Direct) {
1035 							FASTBOOL bObenLang=Abs(nYMin-aMeeting.Y())<=Abs(nYMax-aMeeting.Y());
1036 							if (bObenLang) {
1037 								aMeeting.Y()=nYMin;
1038 							} else {
1039 								aMeeting.Y()=nYMax;
1040 							}
1041 							bMeetingYMid=sal_False;
1042 							if (bCase29) {
1043 								// und nun noch dafuer sorgen, dass das
1044 								// umzingelte Obj nicht durchquert wird
1045 								if ((aBewR1.Center().Y()<aBewR2.Center().Y()) != bObenLang) {
1046 									aMeeting.X()=aBewR2.Right();
1047 								} else {
1048 									aMeeting.X()=aBewR1.Left();
1049 								}
1050 								bMeetingXMid=sal_False;
1051 							}
1052 						} else {
1053 							// Direkte Verbindung (3-Linien Z-Verbindung), da
1054 							// Verletzung der BewareRects unvermeidlich ist.
1055 							// Via Dreisatz werden die BewareRects nun verkleinert.
1056 							long nWant1=aBewR1.Right()-aBndR1.Right(); // Abstand bei Obj1
1057 							long nWant2=aBndR2.Left()-aBewR2.Left();   // Abstand bei Obj2
1058 							long nSpace=aBndR2.Left()-aBndR1.Right(); // verfuegbarer Platz
1059 							long nGet1=BigMulDiv(nWant1,nSpace,nWant1+nWant2);
1060 							long nGet2=nSpace-nGet1;
1061 							if (bRts1) { // Normalisierung zurueckwandeln
1062 								aBewareRect1.Right()+=nGet1-nWant1;
1063 								aBewareRect2.Left()-=nGet2-nWant2;
1064 							} else {
1065 								aBewareRect2.Right()+=nGet1-nWant1;
1066 								aBewareRect1.Left()-=nGet2-nWant2;
1067 							}
1068 							nIntersections++; // Qualitaet herabsetzen
1069 						}
1070 					}
1071 				}
1072 			} else if (bVer1) { // beide senkrecht
1073 				Rectangle aBewR1(bUnt1 ? aBewareRect1 : aBewareRect2);
1074 				Rectangle aBewR2(bUnt1 ? aBewareRect2 : aBewareRect1);
1075 				Rectangle aBndR1(bUnt1 ? aBoundRect1 : aBoundRect2);
1076 				Rectangle aBndR2(bUnt1 ? aBoundRect2 : aBoundRect1);
1077 				if (aBewR1.Right()>aBewR2.Left() && aBewR1.Left()<aBewR2.Right()) {
1078 					// Ueberschneidung auf der Y-Achse. Faelle 2.1, 2.8, 2.9
1079 					if (aBewR1.Bottom()>aBewR2.Top()) {
1080 						// Faelle 2.8, 2.9
1081 						// Fall 2.8 ist immer Aussenrumlauf (bDirect=sal_False).
1082 						// Fall 2.9 kann auch Direktverbindung sein (bei geringer
1083 						// Ueberschneidung der BewareRects ohne Ueberschneidung der
1084 						// Boundrects wenn die Linienaustritte sonst das BewareRect
1085 						// des jeweils anderen Objekts verletzen wuerden.
1086 						FASTBOOL bCase29Direct=sal_False;
1087 						FASTBOOL bCase29=aBewR1.Bottom()>aBewR2.Top();
1088 						if (aBndR1.Bottom()<=aBndR2.Top()) { // Fall 2.9 und keine Boundrectueberschneidung
1089 							if ((aPt1.X()>aBewareRect2.Left() && aPt1.X()<aBewareRect2.Right()) ||
1090 								(aPt2.X()>aBewareRect1.Left() && aPt2.X()<aBewareRect1.Right())) {
1091 							   bCase29Direct=sal_True;
1092 							}
1093 						}
1094 						if (!bCase29Direct) {
1095 							FASTBOOL bLinksLang=Abs(nXMin-aMeeting.X())<=Abs(nXMax-aMeeting.X());
1096 							if (bLinksLang) {
1097 								aMeeting.X()=nXMin;
1098 							} else {
1099 								aMeeting.X()=nXMax;
1100 							}
1101 							bMeetingXMid=sal_False;
1102 							if (bCase29) {
1103 								// und nun noch dafuer sorgen, dass das
1104 								// umzingelte Obj nicht durchquert wird
1105 								if ((aBewR1.Center().X()<aBewR2.Center().X()) != bLinksLang) {
1106 									aMeeting.Y()=aBewR2.Bottom();
1107 								} else {
1108 									aMeeting.Y()=aBewR1.Top();
1109 								}
1110 								bMeetingYMid=sal_False;
1111 							}
1112 						} else {
1113 							// Direkte Verbindung (3-Linien Z-Verbindung), da
1114 							// Verletzung der BewareRects unvermeidlich ist.
1115 							// Via Dreisatz werden die BewareRects nun verkleinert.
1116 							long nWant1=aBewR1.Bottom()-aBndR1.Bottom(); // Abstand bei Obj1
1117 							long nWant2=aBndR2.Top()-aBewR2.Top();   // Abstand bei Obj2
1118 							long nSpace=aBndR2.Top()-aBndR1.Bottom(); // verfuegbarer Platz
1119 							long nGet1=BigMulDiv(nWant1,nSpace,nWant1+nWant2);
1120 							long nGet2=nSpace-nGet1;
1121 							if (bUnt1) { // Normalisierung zurueckwandeln
1122 								aBewareRect1.Bottom()+=nGet1-nWant1;
1123 								aBewareRect2.Top()-=nGet2-nWant2;
1124 							} else {
1125 								aBewareRect2.Bottom()+=nGet1-nWant1;
1126 								aBewareRect1.Top()-=nGet2-nWant2;
1127 							}
1128 							nIntersections++; // Qualitaet herabsetzen
1129 						}
1130 					}
1131 				}
1132 			}
1133 		} else if (nMainCase==3) { // Fall 3: Einer waagerecht und der andere senkrecht. Sehr viele Fallunterscheidungen
1134             /* Kleine Legende: � � � � � -> Ohne Ueberschneidung, maximal Beruehrung.                   */
1135             /*                 � � � � � -> Ueberschneidung                                             */
1136             /*                 � � � � � -> Selbe Hoehe                                                 */
1137             /*                 � � � � � -> Ueberschneidung                                             */
1138             /*                 � � � � � -> Ohne Ueberschneidung, maximal Beruehrung.                   */
1139             /* Linienaustritte links �, rechts �, oben � und unten �.                                   */
1140             /* Insgesamt sind 96 Konstellationen moeglich, wobei einige nicht einmal                    */
1141             /* eindeutig einem Fall und damit einer Behandlungsmethode zugeordnet werden                */
1142             /* koennen.                                                                                 */
1143             /* 3.1: Hierzu moegen alle Konstellationen zaehlen, die durch den                           */
1144             /*      Default-MeetingPoint zufriedenstellend abgedeckt sind (20+12).                      */
1145             /*   � � � � �    � � � � �   Diese 12  � � � � �    � � � � �    � � � � �    � � � � �    */
1146             /*   � � � � �    � � � � �   Konstel.  � � � � �    � � � � �    � � � � �    � � � � �    */
1147             /*   � � � � �    � � � � �   jedoch    � � � � �    � � � � �    � � � � �    � � � � �    */
1148             /*   � � � � �    � � � � �   nur zum   � � � � �    � � � � �    � � � � �    � � � � �    */
1149             /*   � � � � �    � � � � �   Teil:     � � � � �    � � � � �    � � � � �    � � � � �    */
1150             /*   Letztere 16 Faelle scheiden aus, sobald sich die Objekte offen                         */
1151             /*   gegenueberstehen (siehe Fall 3.2).                                                     */
1152             /* 3.2: Die Objekte stehen sich offen gegenueber und somit ist eine                         */
1153             /*      Verbindung mit lediglich 2 Linien moeglich (4+20).                                  */
1154             /*      Dieser Fall hat 1. Prioritaet.                                                      */
1155             /*   � � � � �   � � � � �   Diese 20  � � � � �   � � � � �   � � � � �   � � � � �        */
1156             /*   � � � � �   � � � � �   Konstel.  � � � � �   � � � � �   � � � � �   � � � � �        */
1157             /*   � � � � �   � � � � �   jedoch    � � � � �   � � � � �   � � � � �   � � � � �        */
1158             /*   � � � � �   � � � � �   nur zum   � � � � �   � � � � �   � � � � �   � � � � �        */
1159             /*   � � � � �   � � � � �   Teil:     � � � � �   � � � � �   � � � � �   � � � � �        */
1160             /* 3.3: Die Linienaustritte zeigen vom anderen Objekt weg bzw. hinter                       */
1161             /*      dessen Ruecken vorbei (52+4).                                                       */
1162             /*   � � � � �   � � � � �   � � � � �   � � � � �   Diese 4   � � � � �   � � � � �        */
1163             /*   � � � � �   � � � � �   � � � � �   � � � � �   Konstel.  � � � � �   � � � � �        */
1164             /*   � � � � �   � � � � �   � � � � �   � � � � �   jedoch    � � � � �   � � � � �        */
1165             /*   � � � � �   � � � � �   � � � � �   � � � � �   nur zum   � � � � �   � � � � �        */
1166             /*   � � � � �   � � � � �   � � � � �   � � � � �   Teil:     � � � � �   � � � � �        */
1167 
1168 			// Fall 3.2
1169 			Rectangle aTmpR1(aBewareRect1);
1170 			Rectangle aTmpR2(aBewareRect2);
1171 			if (bBewareOverlap) {
1172 				// Ueberschneidung der BewareRects: BoundRects fuer Check auf Fall 3.2 verwenden.
1173 				aTmpR1=aBoundRect1;
1174 				aTmpR2=aBoundRect2;
1175 			}
1176 			if ((((bRts1 && aTmpR1.Right ()<=aPt2.X()) || (bLks1 && aTmpR1.Left()>=aPt2.X())) &&
1177 				 ((bUnt2 && aTmpR2.Bottom()<=aPt1.Y()) || (bObn2 && aTmpR2.Top ()>=aPt1.Y()))) ||
1178 				(((bRts2 && aTmpR2.Right ()<=aPt1.X()) || (bLks2 && aTmpR2.Left()>=aPt1.X())) &&
1179 				 ((bUnt1 && aTmpR1.Bottom()<=aPt2.Y()) || (bObn1 && aTmpR1.Top ()>=aPt2.Y())))) {
1180 				// Fall 3.2 trifft zu: Verbindung mit lediglich 2 Linien
1181 				bForceMeeting=sal_True;
1182 				bMeetingXMid=sal_False;
1183 				bMeetingYMid=sal_False;
1184 				if (bHor1) {
1185 					aMeeting.X()=aPt2.X();
1186 					aMeeting.Y()=aPt1.Y();
1187 				} else {
1188 					aMeeting.X()=aPt1.X();
1189 					aMeeting.Y()=aPt2.Y();
1190 				}
1191 				// Falls Ueberschneidung der BewareRects:
1192 				aBewareRect1=aTmpR1;
1193 				aBewareRect2=aTmpR2;
1194 			} else if ((((bRts1 && aBewareRect1.Right ()>aBewareRect2.Left  ()) ||
1195 						 (bLks1 && aBewareRect1.Left  ()<aBewareRect2.Right ())) &&
1196 						((bUnt2 && aBewareRect2.Bottom()>aBewareRect1.Top   ()) ||
1197 						 (bObn2 && aBewareRect2.Top   ()<aBewareRect1.Bottom()))) ||
1198 					   (((bRts2 && aBewareRect2.Right ()>aBewareRect1.Left  ()) ||
1199 						 (bLks2 && aBewareRect2.Left  ()<aBewareRect1.Right ())) &&
1200 						((bUnt1 && aBewareRect1.Bottom()>aBewareRect2.Top   ()) ||
1201 						 (bObn1 && aBewareRect1.Top   ()<aBewareRect2.Bottom())))) {
1202 				// Fall 3.3
1203 				bForceMeeting=sal_True;
1204 				if (bRts1 || bRts2) { aMeeting.X()=nXMax; bMeetingXMid=sal_False; }
1205 				if (bLks1 || bLks2) { aMeeting.X()=nXMin; bMeetingXMid=sal_False; }
1206 				if (bUnt1 || bUnt2) { aMeeting.Y()=nYMax; bMeetingYMid=sal_False; }
1207 				if (bObn1 || bObn2) { aMeeting.Y()=nYMin; bMeetingYMid=sal_False; }
1208 			}
1209 		}
1210 	}
1211 
1212 	XPolygon aXP1(ImpCalcObjToCenter(aPt1,nAngle1,aBewareRect1,aMeeting));
1213 	XPolygon aXP2(ImpCalcObjToCenter(aPt2,nAngle2,aBewareRect2,aMeeting));
1214 	sal_uInt16 nXP1Anz=aXP1.GetPointCount();
1215 	sal_uInt16 nXP2Anz=aXP2.GetPointCount();
1216 	if (bInfo) {
1217 		pInfo->nObj1Lines=nXP1Anz; if (nXP1Anz>1) pInfo->nObj1Lines--;
1218 		pInfo->nObj2Lines=nXP2Anz; if (nXP2Anz>1) pInfo->nObj2Lines--;
1219 	}
1220 	Point aEP1(aXP1[nXP1Anz-1]);
1221 	Point aEP2(aXP2[nXP2Anz-1]);
1222 	FASTBOOL bInsMeetingPoint=aEP1.X()!=aEP2.X() && aEP1.Y()!=aEP2.Y();
1223 	FASTBOOL bHorzE1=aEP1.Y()==aXP1[nXP1Anz-2].Y(); // letzte Linie von XP1 horizontal?
1224 	FASTBOOL bHorzE2=aEP2.Y()==aXP2[nXP2Anz-2].Y(); // letzte Linie von XP2 horizontal?
1225 	if (aEP1==aEP2 && (bHorzE1 && bHorzE2 && aEP1.Y()==aEP2.Y()) || (!bHorzE1 && !bHorzE2 && aEP1.X()==aEP2.X())) {
1226 		// Sonderbehandlung fuer 'I'-Verbinder
1227 		nXP1Anz--; aXP1.Remove(nXP1Anz,1);
1228 		nXP2Anz--; aXP2.Remove(nXP2Anz,1);
1229 		bMeetingXMid=sal_False;
1230 		bMeetingYMid=sal_False;
1231 	}
1232 	if (bInsMeetingPoint) {
1233 		aXP1.Insert(XPOLY_APPEND,aMeeting,XPOLY_NORMAL);
1234 		if (bInfo) {
1235 			// Durch einfuegen des MeetingPoints kommen 2 weitere Linie hinzu.
1236 			// Evtl. wird eine von diesen die Mittellinie.
1237 			if (pInfo->nObj1Lines==pInfo->nObj2Lines) {
1238 				pInfo->nObj1Lines++;
1239 				pInfo->nObj2Lines++;
1240 			} else {
1241 				if (pInfo->nObj1Lines>pInfo->nObj2Lines) {
1242 					pInfo->nObj2Lines++;
1243 					pInfo->nMiddleLine=nXP1Anz-1;
1244 				} else {
1245 					pInfo->nObj1Lines++;
1246 					pInfo->nMiddleLine=nXP1Anz;
1247 				}
1248 			}
1249 		}
1250 	} else if (bInfo && aEP1!=aEP2 && nXP1Anz+nXP2Anz>=4) {
1251 		// Durch Verbinden der beiden Enden kommt eine weitere Linie hinzu.
1252 		// Dies wird die Mittellinie.
1253 		pInfo->nMiddleLine=nXP1Anz-1;
1254 	}
1255 	sal_uInt16 nNum=aXP2.GetPointCount();
1256 	if (aXP1[nXP1Anz-1]==aXP2[nXP2Anz-1] && nXP1Anz>1 && nXP2Anz>1) nNum--;
1257 	while (nNum>0) {
1258 		nNum--;
1259 		aXP1.Insert(XPOLY_APPEND,aXP2[nNum],XPOLY_NORMAL);
1260 	}
1261 	sal_uInt16 nPntAnz=aXP1.GetPointCount();
1262 	char cForm=0;
1263 	if (bInfo || pnQuality!=NULL) {
1264 		cForm='?';
1265 		if (nPntAnz==2) cForm='I';
1266 		else if (nPntAnz==3) cForm='L';
1267 		else if (nPntAnz==4) { // Z oder U
1268 			if (nAngle1==nAngle2) cForm='U';
1269 			else cForm='Z';
1270         } else if (nPntAnz==4) { /* �-�  �-�  */
1271             /* ...                 -�     -�  */
1272 		} else if (nPntAnz==6) { // S oder C oder ...
1273 			if (nAngle1!=nAngle2) {
1274 				// Fuer Typ S hat Linie2 dieselbe Richtung wie Linie4.
1275 				// Bei Typ C sind die beiden genau entgegengesetzt.
1276 				Point aP1(aXP1[1]);
1277 				Point aP2(aXP1[2]);
1278 				Point aP3(aXP1[3]);
1279 				Point aP4(aXP1[4]);
1280 				if (aP1.Y()==aP2.Y()) { // beide Linien Horz
1281 					if ((aP1.X()<aP2.X())==(aP3.X()<aP4.X())) cForm='S';
1282 					else cForm='C';
1283 				} else { // sonst beide Linien Vert
1284 					if ((aP1.Y()<aP2.Y())==(aP3.Y()<aP4.Y())) cForm='S';
1285 					else cForm='C';
1286 				}
1287 			} else cForm='4'; // sonst der 3. Fall mit 5 Linien
1288 		} else cForm='?';  //
1289 		// Weitere Formen:
1290 		if (bInfo) {
1291 			pInfo->cOrthoForm=cForm;
1292 			if (cForm=='I' || cForm=='L' || cForm=='Z' || cForm=='U') {
1293 				pInfo->nObj1Lines=1;
1294 				pInfo->nObj2Lines=1;
1295 				if (cForm=='Z' || cForm=='U') {
1296 					pInfo->nMiddleLine=1;
1297 				} else {
1298 					pInfo->nMiddleLine=0xFFFF;
1299 				}
1300 			} else if (cForm=='S' || cForm=='C') {
1301 				pInfo->nObj1Lines=2;
1302 				pInfo->nObj2Lines=2;
1303 				pInfo->nMiddleLine=2;
1304 			}
1305 		}
1306 	}
1307 	if (pnQuality!=NULL) {
1308 		sal_uIntPtr nQual=0;
1309 		sal_uIntPtr nQual0=nQual; // Ueberlaeufe vorbeugen
1310 		FASTBOOL bOverflow=sal_False;
1311 		Point aPt0(aXP1[0]);
1312 		for (sal_uInt16 nPntNum=1; nPntNum<nPntAnz; nPntNum++) {
1313 			Point aPt1b(aXP1[nPntNum]);
1314 			nQual+=Abs(aPt1b.X()-aPt0.X())+Abs(aPt1b.Y()-aPt0.Y());
1315 			if (nQual<nQual0) bOverflow=sal_True;
1316 			nQual0=nQual;
1317 			aPt0=aPt1b;
1318 		}
1319 
1320 		sal_uInt16 nTmp=nPntAnz;
1321 		if (cForm=='Z') {
1322 			nTmp=2; // Z-Form hat gute Qualitaet (nTmp=2 statt 4)
1323 			sal_uIntPtr n1=Abs(aXP1[1].X()-aXP1[0].X())+Abs(aXP1[1].Y()-aXP1[0].Y());
1324 			sal_uIntPtr n2=Abs(aXP1[2].X()-aXP1[1].X())+Abs(aXP1[2].Y()-aXP1[1].Y());
1325 			sal_uIntPtr n3=Abs(aXP1[3].X()-aXP1[2].X())+Abs(aXP1[3].Y()-aXP1[2].Y());
1326 			// fuer moeglichst gleichlange Linien sorgen
1327 			sal_uIntPtr nBesser=0;
1328 			n1+=n3;
1329 			n3=n2/4;
1330 			if (n1>=n2) nBesser=6;
1331 			else if (n1>=3*n3) nBesser=4;
1332 			else if (n1>=2*n3) nBesser=2;
1333 			if (aXP1[0].Y()!=aXP1[1].Y()) nBesser++; // Senkrechte Startlinie kriegt auch noch einen Pluspunkt (fuer H/V-Prio)
1334 			if (nQual>nBesser) nQual-=nBesser; else nQual=0;
1335 		}
1336 		if (nTmp>=3) {
1337 			nQual0=nQual;
1338 			nQual+=(sal_uIntPtr)nTmp*0x01000000;
1339 			if (nQual<nQual0 || nTmp>15) bOverflow=sal_True;
1340 		}
1341 		if (nPntAnz>=2) { // Austrittswinkel nochmal pruefen
1342 			Point aP1(aXP1[1]); aP1-=aXP1[0];
1343 			Point aP2(aXP1[nPntAnz-2]); aP2-=aXP1[nPntAnz-1];
1344 			long nAng1=0; if (aP1.X()<0) nAng1=18000; if (aP1.Y()>0) nAng1=27000;
1345 			if (aP1.Y()<0) nAng1=9000; if (aP1.X()!=0 && aP1.Y()!=0) nAng1=1; // Schraeg!?!
1346 			long nAng2=0; if (aP2.X()<0) nAng2=18000; if (aP2.Y()>0) nAng2=27000;
1347 			if (aP2.Y()<0) nAng2=9000; if (aP2.X()!=0 && aP2.Y()!=0) nAng2=1; // Schraeg!?!
1348 			if (nAng1!=nAngle1) nIntersections++;
1349 			if (nAng2!=nAngle2) nIntersections++;
1350 		}
1351 
1352 		// Fuer den Qualitaetscheck wieder die Original-Rects verwenden und
1353 		// gleichzeitig checken, ob eins fuer die Edge-Berechnung verkleinert
1354 		// wurde (z.B. Fall 2.9)
1355 		aBewareRect1=rBewareRect1;
1356 		aBewareRect2=rBewareRect2;
1357 
1358 		for (sal_uInt16 i=0; i<nPntAnz; i++) {
1359 			Point aPt1b(aXP1[i]);
1360 			FASTBOOL b1=aPt1b.X()>aBewareRect1.Left() && aPt1b.X()<aBewareRect1.Right() &&
1361 						aPt1b.Y()>aBewareRect1.Top() && aPt1b.Y()<aBewareRect1.Bottom();
1362 			FASTBOOL b2=aPt1b.X()>aBewareRect2.Left() && aPt1b.X()<aBewareRect2.Right() &&
1363 						aPt1b.Y()>aBewareRect2.Top() && aPt1b.Y()<aBewareRect2.Bottom();
1364 			sal_uInt16 nInt0=nIntersections;
1365 			if (i==0 || i==nPntAnz-1) {
1366 				if (b1 && b2) nIntersections++;
1367 			} else {
1368 				if (b1) nIntersections++;
1369 				if (b2) nIntersections++;
1370 			}
1371 			// und nun noch auf Ueberschneidungen checken
1372 			if (i>0 && nInt0==nIntersections) {
1373 				if (aPt0.Y()==aPt1b.Y()) { // Horizontale Linie
1374 					if (aPt0.Y()>aBewareRect1.Top() && aPt0.Y()<aBewareRect1.Bottom() &&
1375 						((aPt0.X()<=aBewareRect1.Left() && aPt1b.X()>=aBewareRect1.Right()) ||
1376 						 (aPt1b.X()<=aBewareRect1.Left() && aPt0.X()>=aBewareRect1.Right()))) nIntersections++;
1377 					if (aPt0.Y()>aBewareRect2.Top() && aPt0.Y()<aBewareRect2.Bottom() &&
1378 						((aPt0.X()<=aBewareRect2.Left() && aPt1b.X()>=aBewareRect2.Right()) ||
1379 						 (aPt1b.X()<=aBewareRect2.Left() && aPt0.X()>=aBewareRect2.Right()))) nIntersections++;
1380 				} else { // Vertikale Linie
1381 					if (aPt0.X()>aBewareRect1.Left() && aPt0.X()<aBewareRect1.Right() &&
1382 						((aPt0.Y()<=aBewareRect1.Top() && aPt1b.Y()>=aBewareRect1.Bottom()) ||
1383 						 (aPt1b.Y()<=aBewareRect1.Top() && aPt0.Y()>=aBewareRect1.Bottom()))) nIntersections++;
1384 					if (aPt0.X()>aBewareRect2.Left() && aPt0.X()<aBewareRect2.Right() &&
1385 						((aPt0.Y()<=aBewareRect2.Top() && aPt1b.Y()>=aBewareRect2.Bottom()) ||
1386 						 (aPt1b.Y()<=aBewareRect2.Top() && aPt0.Y()>=aBewareRect2.Bottom()))) nIntersections++;
1387 				}
1388 			}
1389 			aPt0=aPt1b;
1390 		}
1391 		if (nPntAnz<=1) nIntersections++;
1392 		nQual0=nQual;
1393 		nQual+=(sal_uIntPtr)nIntersections*0x10000000;
1394 		if (nQual<nQual0 || nIntersections>15) bOverflow=sal_True;
1395 
1396 		if (bOverflow || nQual==0xFFFFFFFF) nQual=0xFFFFFFFE;
1397 		*pnQuality=nQual;
1398 	}
1399 	if (bInfo) { // nun die Linienversaetze auf aXP1 anwenden
1400 		if (pInfo->nMiddleLine!=0xFFFF) {
1401 			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(MIDDLELINE,aXP1);
1402 			if (pInfo->ImpIsHorzLine(MIDDLELINE,aXP1)) {
1403 				aXP1[nIdx].Y()+=pInfo->aMiddleLine.Y();
1404 				aXP1[nIdx+1].Y()+=pInfo->aMiddleLine.Y();
1405 			} else {
1406 				aXP1[nIdx].X()+=pInfo->aMiddleLine.X();
1407 				aXP1[nIdx+1].X()+=pInfo->aMiddleLine.X();
1408 			}
1409 		}
1410 		if (pInfo->nObj1Lines>=2) {
1411 			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ1LINE2,aXP1);
1412 			if (pInfo->ImpIsHorzLine(OBJ1LINE2,aXP1)) {
1413 				aXP1[nIdx].Y()+=pInfo->aObj1Line2.Y();
1414 				aXP1[nIdx+1].Y()+=pInfo->aObj1Line2.Y();
1415 			} else {
1416 				aXP1[nIdx].X()+=pInfo->aObj1Line2.X();
1417 				aXP1[nIdx+1].X()+=pInfo->aObj1Line2.X();
1418 			}
1419 		}
1420 		if (pInfo->nObj1Lines>=3) {
1421 			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ1LINE3,aXP1);
1422 			if (pInfo->ImpIsHorzLine(OBJ1LINE3,aXP1)) {
1423 				aXP1[nIdx].Y()+=pInfo->aObj1Line3.Y();
1424 				aXP1[nIdx+1].Y()+=pInfo->aObj1Line3.Y();
1425 			} else {
1426 				aXP1[nIdx].X()+=pInfo->aObj1Line3.X();
1427 				aXP1[nIdx+1].X()+=pInfo->aObj1Line3.X();
1428 			}
1429 		}
1430 		if (pInfo->nObj2Lines>=2) {
1431 			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ2LINE2,aXP1);
1432 			if (pInfo->ImpIsHorzLine(OBJ2LINE2,aXP1)) {
1433 				aXP1[nIdx].Y()+=pInfo->aObj2Line2.Y();
1434 				aXP1[nIdx+1].Y()+=pInfo->aObj2Line2.Y();
1435 			} else {
1436 				aXP1[nIdx].X()+=pInfo->aObj2Line2.X();
1437 				aXP1[nIdx+1].X()+=pInfo->aObj2Line2.X();
1438 			}
1439 		}
1440 		if (pInfo->nObj2Lines>=3) {
1441 			sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ2LINE3,aXP1);
1442 			if (pInfo->ImpIsHorzLine(OBJ2LINE3,aXP1)) {
1443 				aXP1[nIdx].Y()+=pInfo->aObj2Line3.Y();
1444 				aXP1[nIdx+1].Y()+=pInfo->aObj2Line3.Y();
1445 			} else {
1446 				aXP1[nIdx].X()+=pInfo->aObj2Line3.X();
1447 				aXP1[nIdx+1].X()+=pInfo->aObj2Line3.X();
1448 			}
1449 		}
1450 	}
1451 	// Nun mache ich ggf. aus dem Verbinder eine Bezierkurve
1452 	if (eKind==SDREDGE_BEZIER && nPntAnz>2) {
1453 		Point* pPt1=&aXP1[0];
1454 		Point* pPt2=&aXP1[1];
1455 		Point* pPt3=&aXP1[nPntAnz-2];
1456 		Point* pPt4=&aXP1[nPntAnz-1];
1457 		long dx1=pPt2->X()-pPt1->X();
1458 		long dy1=pPt2->Y()-pPt1->Y();
1459 		long dx2=pPt3->X()-pPt4->X();
1460 		long dy2=pPt3->Y()-pPt4->Y();
1461 		if (cForm=='L') { // nPntAnz==3
1462 			aXP1.SetFlags(1,XPOLY_CONTROL);
1463 			Point aPt3(*pPt2);
1464 			aXP1.Insert(2,aPt3,XPOLY_CONTROL);
1465 			nPntAnz=aXP1.GetPointCount();
1466 			pPt1=&aXP1[0];
1467 			pPt2=&aXP1[1];
1468 			pPt3=&aXP1[nPntAnz-2];
1469 			pPt4=&aXP1[nPntAnz-1];
1470 			pPt2->X()-=dx1/3;
1471 			pPt2->Y()-=dy1/3;
1472 			pPt3->X()-=dx2/3;
1473 			pPt3->Y()-=dy2/3;
1474 		} else if (nPntAnz>=4 && nPntAnz<=6) { // Z oder U oder ...
1475 			// fuer Alle Anderen werden die Endpunkte der Ausgangslinien
1476 			// erstmal zu Kontrollpunkten. Bei nPntAnz>4 ist also noch
1477 			// Nacharbeit erforderlich!
1478 			aXP1.SetFlags(1,XPOLY_CONTROL);
1479 			aXP1.SetFlags(nPntAnz-2,XPOLY_CONTROL);
1480 			// Distanz x1.5
1481 			pPt2->X()+=dx1/2;
1482 			pPt2->Y()+=dy1/2;
1483 			pPt3->X()+=dx2/2;
1484 			pPt3->Y()+=dy2/2;
1485 			if (nPntAnz==5) {
1486 				// Vor und hinter dem Mittelpunkt jeweils
1487 				// noch einen Kontrollpunkt einfuegen
1488 				Point aCenter(aXP1[2]);
1489 				long dx1b=aCenter.X()-aXP1[1].X();
1490 				long dy1b=aCenter.Y()-aXP1[1].Y();
1491 				long dx2b=aCenter.X()-aXP1[3].X();
1492 				long dy2b=aCenter.Y()-aXP1[3].Y();
1493 				aXP1.Insert(2,aCenter,XPOLY_CONTROL);
1494 				aXP1.SetFlags(3,XPOLY_SYMMTR);
1495 				aXP1.Insert(4,aCenter,XPOLY_CONTROL);
1496 				aXP1[2].X()-=dx1b/2;
1497 				aXP1[2].Y()-=dy1b/2;
1498 				aXP1[3].X()-=(dx1b+dx2b)/4;
1499 				aXP1[3].Y()-=(dy1b+dy2b)/4;
1500 				aXP1[4].X()-=dx2b/2;
1501 				aXP1[4].Y()-=dy2b/2;
1502 			}
1503 			if (nPntAnz==6) {
1504 				Point aPt1b(aXP1[2]);
1505 				Point aPt2b(aXP1[3]);
1506 				aXP1.Insert(2,aPt1b,XPOLY_CONTROL);
1507 				aXP1.Insert(5,aPt2b,XPOLY_CONTROL);
1508 				long dx=aPt1b.X()-aPt2b.X();
1509 				long dy=aPt1b.Y()-aPt2b.Y();
1510 				aXP1[3].X()-=dx/2;
1511 				aXP1[3].Y()-=dy/2;
1512 				aXP1.SetFlags(3,XPOLY_SYMMTR);
1513 				//aXP1[4].X()+=dx/2;
1514 				//aXP1[4].Y()+=dy/2;
1515 				aXP1.Remove(4,1); // weil identisch mit aXP1[3]
1516 			}
1517 		}
1518 	}
1519 	return aXP1;
1520 }
1521 
1522 /*
1523 Nach einer einfachen Rechnung koennte es max. 64 unterschiedliche Verlaeufe mit
1524 5 Linien, 32 mit 4 Linien, 16 mit 3, 8 mit 2 Linien und 4 mit 1 Linie geben=124.
1525 Normalisiert auf 1. Austrittswinkel nach rechts bleiben dann noch 31.
1526 Dann noch eine vertikale Spiegelung wegnormalisiert bleiben noch 16
1527 characteristische Verlaufszuege mit 1-5 Linien:
1528 Mit 1 Linie (Typ 'I'):  --
1529 Mit 2 Linien (Typ 'L'): -�
1530 Mit 3 Linien (Typ 'U'):  -�  (Typ 'Z'):  �-
1531 						 -�             -�
1532 Mit 4 Linien: 1 ist nicht plausibel, 3 ist=2 (90deg Drehung). Verbleibt 2,4
1533 	 �-�  ڿ  ��  ڿ                               ڿ  �-�
1534 	-�   -�   -�  -�                              -�    -�
1535 Mit 5 Linien: nicht plausibel sind 1,2,4,5. 7 ist identisch mit 3 (Richtungsumkehr)
1536 			  Bleibt also 3,6 und 8.              '4'  'S'  'C'
1537 	   �    �             -�   �-  �-�                  �-
1538 	 �-�  �-�  �-�   �-�   ��  �� -� � �-�         �-�  ��  �-�
1539 	-�   -�   -� �  -� �-  -�  -�  --� � �        -� �  -�  � �
1540 Insgesamt sind also 9 Grundtypen zu unterscheiden die den 400 Konstellationen
1541 aus Objektposition und Austrittswinkeln zuzuordnen sind.
1542 4 der 9 Grundtypen haben eine 'Mittellinie'. Die Anzahl der zu Objektabstaende
1543 je Objekt variiert von 0-3:
1544 	 Mi   O1   O2   Anmerkung
1545 'I':  n   0    0
1546 'L':  n   0    0
1547 'U':  n  0-1  0-1
1548 'Z':  j   0    0
1549 4.1:  j   0    1    = U+1 bzw. 1+U
1550 4.2:  n  0-2  0-2   = Z+1
1551 '4':  j   0    2    = Z+2
1552 'S':  j   1    1    = 1+Z+1
1553 'C':  n  0-3  0-3   = 1+U+1
1554 */
1555 
1556 void __EXPORT SdrEdgeObj::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
1557 {
1558 	SfxSimpleHint* pSimple=PTR_CAST(SfxSimpleHint,&rHint);
1559 	sal_uIntPtr nId=pSimple==0 ? 0 : pSimple->GetId();
1560 	FASTBOOL bDataChg=nId==SFX_HINT_DATACHANGED;
1561 	FASTBOOL bDying=nId==SFX_HINT_DYING;
1562 	FASTBOOL bObj1=aCon1.pObj!=NULL && aCon1.pObj->GetBroadcaster()==&rBC;
1563 	FASTBOOL bObj2=aCon2.pObj!=NULL && aCon2.pObj->GetBroadcaster()==&rBC;
1564 	if (bDying && (bObj1 || bObj2)) {
1565 		// #35605# Dying vorher abfangen, damit AttrObj nicht
1566 		// wg. vermeintlicher Vorlagenaenderung rumbroadcastet
1567 		if (bObj1) aCon1.pObj=NULL;
1568 		if (bObj2) aCon2.pObj=NULL;
1569 		return; // Und mehr braucht hier nicht getan werden.
1570 	}
1571 	if ( bObj1 || bObj2 )
1572 	{
1573 		bEdgeTrackUserDefined = sal_False;
1574 	}
1575     SdrTextObj::Notify(rBC,rHint);
1576 	if (nNotifyingCount==0) { // Hier nun auch ein VerriegelungsFlag
1577 		((SdrEdgeObj*)this)->nNotifyingCount++;
1578 		SdrHint* pSdrHint=PTR_CAST(SdrHint,&rHint);
1579 		if (bDataChg) { // StyleSheet geaendert
1580 			ImpSetAttrToEdgeInfo(); // Werte bei Vorlagenaenderung vom Pool nach aEdgeInfo kopieren
1581 		}
1582 		if (bDataChg                                ||
1583 			(bObj1 && aCon1.pObj->GetPage()==pPage) ||
1584 			(bObj2 && aCon2.pObj->GetPage()==pPage) ||
1585 			(pSdrHint && pSdrHint->GetKind()==HINT_OBJREMOVED))
1586 		{
1587 			// Broadcasting nur, wenn auf der selben Page
1588 			Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetCurrentBoundRect();
1589 			// #110094#-14 if (!bEdgeTrackDirty) SendRepaintBroadcast();
1590 			ImpDirtyEdgeTrack();
1591 
1592 			// only redraw here, no objectchange
1593 			ActionChanged();
1594 			// BroadcastObjectChange();
1595 
1596 			SendUserCall(SDRUSERCALL_RESIZE,aBoundRect0);
1597 		}
1598 		((SdrEdgeObj*)this)->nNotifyingCount--;
1599 	}
1600 }
1601 
1602 /** updates edges that are connected to the edges of this object
1603 	as if the connected objects send a repaint broadcast
1604 	#103122#
1605 */
1606 void SdrEdgeObj::Reformat()
1607 {
1608 	if( NULL != aCon1.pObj )
1609 	{
1610 		SfxSimpleHint aHint( SFX_HINT_DATACHANGED );
1611 		Notify( *const_cast<SfxBroadcaster*>(aCon1.pObj->GetBroadcaster()), aHint );
1612 	}
1613 
1614 	if( NULL != aCon2.pObj )
1615 	{
1616 		SfxSimpleHint aHint( SFX_HINT_DATACHANGED );
1617 		Notify( *const_cast<SfxBroadcaster*>(aCon2.pObj->GetBroadcaster()), aHint );
1618 	}
1619 }
1620 
1621 void SdrEdgeObj::operator=(const SdrObject& rObj)
1622 {
1623 	SdrTextObj::operator=(rObj);
1624 	*pEdgeTrack    =*((SdrEdgeObj&)rObj).pEdgeTrack;
1625 	bEdgeTrackDirty=((SdrEdgeObj&)rObj).bEdgeTrackDirty;
1626 	aCon1          =((SdrEdgeObj&)rObj).aCon1;
1627 	aCon2          =((SdrEdgeObj&)rObj).aCon2;
1628 	aCon1.pObj=NULL;
1629 	aCon2.pObj=NULL;
1630 	aEdgeInfo=((SdrEdgeObj&)rObj).aEdgeInfo;
1631 }
1632 
1633 void SdrEdgeObj::TakeObjNameSingul(XubString& rName) const
1634 {
1635 	rName=ImpGetResStr(STR_ObjNameSingulEDGE);
1636 
1637 	String aName( GetName() );
1638 	if(aName.Len())
1639 	{
1640 		rName += sal_Unicode(' ');
1641 		rName += sal_Unicode('\'');
1642 		rName += aName;
1643 		rName += sal_Unicode('\'');
1644 	}
1645 }
1646 
1647 void SdrEdgeObj::TakeObjNamePlural(XubString& rName) const
1648 {
1649 	rName=ImpGetResStr(STR_ObjNamePluralEDGE);
1650 }
1651 
1652 basegfx::B2DPolyPolygon SdrEdgeObj::TakeXorPoly() const
1653 {
1654 	basegfx::B2DPolyPolygon aPolyPolygon;
1655 
1656 	if (bEdgeTrackDirty)
1657 	{
1658 		((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
1659 	}
1660 
1661 	if(pEdgeTrack)
1662 	{
1663 		aPolyPolygon.append(pEdgeTrack->getB2DPolygon());
1664 	}
1665 
1666 	return aPolyPolygon;
1667 }
1668 
1669 void SdrEdgeObj::SetEdgeTrackPath( const basegfx::B2DPolyPolygon& rPoly )
1670 {
1671 	if ( !rPoly.count() )
1672 	{
1673 		bEdgeTrackDirty = sal_True;
1674 		bEdgeTrackUserDefined = sal_False;
1675 	}
1676 	else
1677 	{
1678 		*pEdgeTrack = XPolygon( rPoly.getB2DPolygon( 0 ) );
1679 		bEdgeTrackDirty = sal_False;
1680 		bEdgeTrackUserDefined = sal_True;
1681 
1682         // #i110629# also set aRect and maSnapeRect dependent from pEdgeTrack
1683         const Rectangle aPolygonBounds(pEdgeTrack->GetBoundRect());
1684         aRect = aPolygonBounds;
1685         maSnapRect = aPolygonBounds;
1686 	}
1687 }
1688 
1689 basegfx::B2DPolyPolygon SdrEdgeObj::GetEdgeTrackPath() const
1690 {
1691 	basegfx::B2DPolyPolygon aPolyPolygon;
1692 
1693 	if (bEdgeTrackDirty)
1694 		((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
1695 
1696 	aPolyPolygon.append( pEdgeTrack->getB2DPolygon() );
1697 
1698 	return aPolyPolygon;
1699 }
1700 
1701 sal_uInt32 SdrEdgeObj::GetHdlCount() const
1702 {
1703 	SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
1704 	sal_uInt32 nHdlAnz(0L);
1705 	sal_uInt32 nPntAnz(pEdgeTrack->GetPointCount());
1706 
1707 	if(nPntAnz)
1708 	{
1709 		nHdlAnz = 2L;
1710 
1711 		if ((eKind==SDREDGE_ORTHOLINES || eKind==SDREDGE_BEZIER) && nPntAnz >= 4L)
1712 		{
1713 			sal_uInt32 nO1(aEdgeInfo.nObj1Lines > 0L ? aEdgeInfo.nObj1Lines - 1L : 0L);
1714 			sal_uInt32 nO2(aEdgeInfo.nObj2Lines > 0L ? aEdgeInfo.nObj2Lines - 1L : 0L);
1715 			sal_uInt32 nM(aEdgeInfo.nMiddleLine != 0xFFFF ? 1L : 0L);
1716 			nHdlAnz += nO1 + nO2 + nM;
1717 		}
1718 		else if (eKind==SDREDGE_THREELINES && nPntAnz == 4L)
1719 		{
1720 			if(GetConnectedNode(sal_True))
1721 				nHdlAnz++;
1722 
1723 			if(GetConnectedNode(sal_False))
1724 				nHdlAnz++;
1725 		}
1726 	}
1727 
1728 	return nHdlAnz;
1729 }
1730 
1731 SdrHdl* SdrEdgeObj::GetHdl(sal_uInt32 nHdlNum) const
1732 {
1733 	SdrHdl* pHdl=NULL;
1734 	sal_uInt32 nPntAnz(pEdgeTrack->GetPointCount());
1735 	if (nPntAnz!=0) {
1736 		if (nHdlNum==0) {
1737 			pHdl=new ImpEdgeHdl((*pEdgeTrack)[0],HDL_POLY);
1738 			if (aCon1.pObj!=NULL && aCon1.bBestVertex) pHdl->Set1PixMore(sal_True);
1739 		} else if (nHdlNum==1) {
1740 			pHdl=new ImpEdgeHdl((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],HDL_POLY);
1741 			if (aCon2.pObj!=NULL && aCon2.bBestVertex) pHdl->Set1PixMore(sal_True);
1742 		} else {
1743 			SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
1744 			if (eKind==SDREDGE_ORTHOLINES || eKind==SDREDGE_BEZIER) {
1745 				sal_uInt32 nO1(aEdgeInfo.nObj1Lines > 0L ? aEdgeInfo.nObj1Lines - 1L : 0L);
1746 				sal_uInt32 nO2(aEdgeInfo.nObj2Lines > 0L ? aEdgeInfo.nObj2Lines - 1L : 0L);
1747 				sal_uInt32 nM(aEdgeInfo.nMiddleLine != 0xFFFF ? 1L : 0L);
1748 				sal_uInt32 nNum(nHdlNum - 2L);
1749 				sal_Int32 nPt(0L);
1750 				pHdl=new ImpEdgeHdl(Point(),HDL_POLY);
1751 				if (nNum<nO1) {
1752 					nPt=nNum+1L;
1753 					if (nNum==0) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE2);
1754 					if (nNum==1) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE3);
1755 				} else {
1756 					nNum=nNum-nO1;
1757 					if (nNum<nO2) {
1758 						nPt=nPntAnz-3-nNum;
1759 						if (nNum==0) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE2);
1760 						if (nNum==1) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE3);
1761 					} else {
1762 						nNum=nNum-nO2;
1763 						if (nNum<nM) {
1764 							nPt=aEdgeInfo.nMiddleLine;
1765 							((ImpEdgeHdl*)pHdl)->SetLineCode(MIDDLELINE);
1766 						}
1767 					}
1768 				}
1769 				if (nPt>0) {
1770 					Point aPos((*pEdgeTrack)[(sal_uInt16)nPt]);
1771 					aPos+=(*pEdgeTrack)[(sal_uInt16)nPt+1];
1772 					aPos.X()/=2;
1773 					aPos.Y()/=2;
1774 					pHdl->SetPos(aPos);
1775 				} else {
1776 					delete pHdl;
1777 					pHdl=NULL;
1778 				}
1779 			} else if (eKind==SDREDGE_THREELINES) {
1780 				sal_uInt32 nNum(nHdlNum);
1781 				if (GetConnectedNode(sal_True)==NULL) nNum++;
1782 				Point aPos((*pEdgeTrack)[(sal_uInt16)nNum-1]);
1783 				pHdl=new ImpEdgeHdl(aPos,HDL_POLY);
1784 				if (nNum==2) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE2);
1785 				if (nNum==3) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE2);
1786 			}
1787 		}
1788 		if (pHdl!=NULL) {
1789 			pHdl->SetPointNum(nHdlNum);
1790 		}
1791 	}
1792 	return pHdl;
1793 }
1794 
1795 ////////////////////////////////////////////////////////////////////////////////////////////////////
1796 
1797 bool SdrEdgeObj::hasSpecialDrag() const
1798 {
1799 	return true;
1800 }
1801 
1802 SdrObject* SdrEdgeObj::getFullDragClone() const
1803 {
1804 	// use Clone operator
1805 	SdrEdgeObj* pRetval = (SdrEdgeObj*)Clone();
1806 
1807 	// copy connections for clone, SdrEdgeObj::operator= does not do this
1808     pRetval->ConnectToNode(true, GetConnectedNode(true));
1809     pRetval->ConnectToNode(false, GetConnectedNode(false));
1810 
1811 	return pRetval;
1812 }
1813 
1814 bool SdrEdgeObj::beginSpecialDrag(SdrDragStat& rDrag) const
1815 {
1816 	if(!rDrag.GetHdl())
1817         return false;
1818 
1819     rDrag.SetEndDragChangesAttributes(true);
1820 
1821     if(rDrag.GetHdl()->GetPointNum() < 2)
1822     {
1823         rDrag.SetNoSnap(true);
1824 	}
1825 
1826     return true;
1827 }
1828 
1829 bool SdrEdgeObj::applySpecialDrag(SdrDragStat& rDragStat)
1830 {
1831     SdrEdgeObj* pOriginalEdge = dynamic_cast< SdrEdgeObj* >(rDragStat.GetHdl()->GetObj());
1832     const bool bOriginalEdgeModified(pOriginalEdge == this);
1833 
1834 	if(!bOriginalEdgeModified && pOriginalEdge)
1835 	{
1836         // copy connections when clone is modified. This is needed because
1837 		// as preparation to this modification the data from the original object
1838 		// was copied to the clone using the operator=. As can be seen there,
1839 		// that operator does not copy the connections (for good reason)
1840 		ConnectToNode(true, pOriginalEdge->GetConnection(true).GetObject());
1841 		ConnectToNode(false, pOriginalEdge->GetConnection(false).GetObject());
1842 	}
1843 
1844     if(rDragStat.GetHdl()->GetPointNum() < 2)
1845     {
1846 		// start or end point connector drag
1847         const bool bDragA(0 == rDragStat.GetHdl()->GetPointNum());
1848         const Point aPointNow(rDragStat.GetNow());
1849 
1850         if(rDragStat.GetPageView())
1851         {
1852             SdrObjConnection* pDraggedOne(bDragA ? &aCon1 : &aCon2);
1853 
1854 			// clear connection
1855 			DisconnectFromNode(bDragA);
1856 
1857 			// look for new connection
1858 			ImpFindConnector(aPointNow, *rDragStat.GetPageView(), *pDraggedOne, pOriginalEdge);
1859 
1860 			if(pDraggedOne->pObj)
1861 			{
1862 				// if found, officially connect to it; ImpFindConnector only
1863 				// sets pObj hard
1864 				SdrObject* pNewConnection = pDraggedOne->pObj;
1865 				pDraggedOne->pObj = 0;
1866 				ConnectToNode(bDragA, pNewConnection);
1867 			}
1868 
1869             if(rDragStat.GetView() && !bOriginalEdgeModified)
1870             {
1871 				// show IA helper, but only do this during IA, so not when the original
1872 				// Edge gets modified in the last call
1873 			    rDragStat.GetView()->SetConnectMarker(*pDraggedOne, *rDragStat.GetPageView());
1874             }
1875         }
1876 
1877         if(pEdgeTrack)
1878         {
1879 			// change pEdgeTrack to modified position
1880             if(bDragA)
1881             {
1882                 (*pEdgeTrack)[0] = aPointNow;
1883             }
1884             else
1885             {
1886                 (*pEdgeTrack)[sal_uInt16(pEdgeTrack->GetPointCount()-1)] = aPointNow;
1887             }
1888         }
1889 
1890 		// reset edge info's offsets, this is a end point drag
1891         aEdgeInfo.aObj1Line2 = Point();
1892 		aEdgeInfo.aObj1Line3 = Point();
1893 		aEdgeInfo.aObj2Line2 = Point();
1894 		aEdgeInfo.aObj2Line3 = Point();
1895 		aEdgeInfo.aMiddleLine = Point();
1896 	}
1897     else
1898     {
1899 		// control point connector drag
1900 	    const ImpEdgeHdl* pEdgeHdl = (ImpEdgeHdl*)rDragStat.GetHdl();
1901 		const SdrEdgeLineCode eLineCode = pEdgeHdl->GetLineCode();
1902 		const Point aDist(rDragStat.GetNow() - rDragStat.GetStart());
1903         sal_Int32 nDist(pEdgeHdl->IsHorzDrag() ? aDist.X() : aDist.Y());
1904 
1905         nDist += aEdgeInfo.ImpGetLineVersatz(eLineCode, *pEdgeTrack);
1906 		aEdgeInfo.ImpSetLineVersatz(eLineCode, *pEdgeTrack, nDist);
1907 	}
1908 
1909 	// force recalc EdgeTrack
1910 	*pEdgeTrack = ImpCalcEdgeTrack(*pEdgeTrack, aCon1, aCon2, &aEdgeInfo);
1911 	bEdgeTrackDirty=sal_False;
1912 
1913 	// save EdgeInfos and mark object as user modified
1914 	ImpSetEdgeInfoToAttr();
1915 	bEdgeTrackUserDefined = false;
1916 	SetRectsDirty();
1917 	//SetChanged();
1918 
1919     if(bOriginalEdgeModified && rDragStat.GetView())
1920     {
1921 		// hide connect marker helper again when original gets changed.
1922 		// This happens at the end of the interaction
1923 		rDragStat.GetView()->HideConnectMarker();
1924 	}
1925 
1926    	return true;
1927 }
1928 
1929 String SdrEdgeObj::getSpecialDragComment(const SdrDragStat& rDrag) const
1930 {
1931     const bool bCreateComment(rDrag.GetView() && this == rDrag.GetView()->GetCreateObj());
1932 
1933     if(bCreateComment)
1934     {
1935         return String();
1936     }
1937     else
1938     {
1939 	    XubString aStr;
1940 	    ImpTakeDescriptionStr(STR_DragEdgeTail, aStr);
1941 
1942         return aStr;
1943     }
1944 }
1945 
1946 ////////////////////////////////////////////////////////////////////////////////////////////////////
1947 
1948 basegfx::B2DPolygon SdrEdgeObj::ImplAddConnectorOverlay(SdrDragMethod& rDragMethod, bool bTail1, bool bTail2, bool bDetail) const
1949 {
1950 	basegfx::B2DPolygon aResult;
1951 
1952 	if(bDetail)
1953 	{
1954 		SdrObjConnection aMyCon1(aCon1);
1955 		SdrObjConnection aMyCon2(aCon2);
1956 
1957 		if (bTail1)
1958 		{
1959 			const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aMyCon1.aObjOfs.X(), aMyCon1.aObjOfs.Y()));
1960 			aMyCon1.aObjOfs.X() = basegfx::fround(aTemp.getX());
1961 			aMyCon1.aObjOfs.Y() = basegfx::fround(aTemp.getY());
1962 		}
1963 
1964 		if (bTail2)
1965 		{
1966 			const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aMyCon2.aObjOfs.X(), aMyCon2.aObjOfs.Y()));
1967 			aMyCon2.aObjOfs.X() = basegfx::fround(aTemp.getX());
1968 			aMyCon2.aObjOfs.Y() = basegfx::fround(aTemp.getY());
1969 		}
1970 
1971 		SdrEdgeInfoRec aInfo(aEdgeInfo);
1972 		XPolygon aXP(ImpCalcEdgeTrack(*pEdgeTrack, aMyCon1, aMyCon2, &aInfo));
1973 
1974 		if(aXP.GetPointCount())
1975 		{
1976 			aResult = aXP.getB2DPolygon();
1977 		}
1978 	}
1979 	else
1980 	{
1981 		Point aPt1((*pEdgeTrack)[0]);
1982 		Point aPt2((*pEdgeTrack)[sal_uInt16(pEdgeTrack->GetPointCount() - 1)]);
1983 
1984 		if (aCon1.pObj && (aCon1.bBestConn || aCon1.bBestVertex))
1985 			aPt1 = aCon1.pObj->GetSnapRect().Center();
1986 
1987 		if (aCon2.pObj && (aCon2.bBestConn || aCon2.bBestVertex))
1988 			aPt2 = aCon2.pObj->GetSnapRect().Center();
1989 
1990 		if (bTail1)
1991 		{
1992 			const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aPt1.X(), aPt1.Y()));
1993 			aPt1.X() = basegfx::fround(aTemp.getX());
1994 			aPt1.Y() = basegfx::fround(aTemp.getY());
1995 		}
1996 
1997 		if (bTail2)
1998 		{
1999 			const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aPt2.X(), aPt2.Y()));
2000 			aPt2.X() = basegfx::fround(aTemp.getX());
2001 			aPt2.Y() = basegfx::fround(aTemp.getY());
2002 		}
2003 
2004 		aResult.append(basegfx::B2DPoint(aPt1.X(), aPt1.Y()));
2005 		aResult.append(basegfx::B2DPoint(aPt2.X(), aPt2.Y()));
2006 	}
2007 
2008 	return aResult;
2009 }
2010 
2011 FASTBOOL SdrEdgeObj::BegCreate(SdrDragStat& rDragStat)
2012 {
2013 	rDragStat.SetNoSnap(sal_True);
2014 	pEdgeTrack->SetPointCount(2);
2015 	(*pEdgeTrack)[0]=rDragStat.GetStart();
2016 	(*pEdgeTrack)[1]=rDragStat.GetNow();
2017 	if (rDragStat.GetPageView()!=NULL) {
2018 		ImpFindConnector(rDragStat.GetStart(),*rDragStat.GetPageView(),aCon1,this);
2019 		ConnectToNode(sal_True,aCon1.pObj);
2020 	}
2021 	*pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
2022 	return sal_True;
2023 }
2024 
2025 FASTBOOL SdrEdgeObj::MovCreate(SdrDragStat& rDragStat)
2026 {
2027 	sal_uInt16 nMax=pEdgeTrack->GetPointCount();
2028 	(*pEdgeTrack)[nMax-1]=rDragStat.GetNow();
2029 	if (rDragStat.GetPageView()!=NULL) {
2030 		ImpFindConnector(rDragStat.GetNow(),*rDragStat.GetPageView(),aCon2,this);
2031 		rDragStat.GetView()->SetConnectMarker(aCon2,*rDragStat.GetPageView());
2032 	}
2033 	SetBoundRectDirty();
2034 	bSnapRectDirty=sal_True;
2035 	ConnectToNode(sal_False,aCon2.pObj);
2036 	*pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
2037 	bEdgeTrackDirty=sal_False;
2038 	return sal_True;
2039 }
2040 
2041 FASTBOOL SdrEdgeObj::EndCreate(SdrDragStat& rDragStat, SdrCreateCmd eCmd)
2042 {
2043 	FASTBOOL bOk=(eCmd==SDRCREATE_FORCEEND || rDragStat.GetPointAnz()>=2);
2044 	if (bOk) {
2045 		ConnectToNode(sal_True,aCon1.pObj);
2046 		ConnectToNode(sal_False,aCon2.pObj);
2047 		if (rDragStat.GetView()!=NULL) {
2048 			rDragStat.GetView()->HideConnectMarker();
2049 		}
2050 		ImpSetEdgeInfoToAttr(); // Die Werte aus aEdgeInfo in den Pool kopieren
2051 	}
2052 	SetRectsDirty();
2053 	return bOk;
2054 }
2055 
2056 FASTBOOL SdrEdgeObj::BckCreate(SdrDragStat& rDragStat)
2057 {
2058 	if (rDragStat.GetView()!=NULL) {
2059 		rDragStat.GetView()->HideConnectMarker();
2060 	}
2061 	return sal_False;
2062 }
2063 
2064 void SdrEdgeObj::BrkCreate(SdrDragStat& rDragStat)
2065 {
2066 	if (rDragStat.GetView()!=NULL) {
2067 		rDragStat.GetView()->HideConnectMarker();
2068 	}
2069 }
2070 
2071 basegfx::B2DPolyPolygon SdrEdgeObj::TakeCreatePoly(const SdrDragStat& /*rStatDrag*/) const
2072 {
2073 	basegfx::B2DPolyPolygon aRetval;
2074 	aRetval.append(pEdgeTrack->getB2DPolygon());
2075 	return aRetval;
2076 }
2077 
2078 Pointer SdrEdgeObj::GetCreatePointer() const
2079 {
2080 	return Pointer(POINTER_DRAW_CONNECT);
2081 }
2082 
2083 FASTBOOL SdrEdgeObj::ImpFindConnector(const Point& rPt, const SdrPageView& rPV, SdrObjConnection& rCon, const SdrEdgeObj* pThis, OutputDevice* pOut)
2084 {
2085 	rCon.ResetVars();
2086 	if (pOut==NULL) pOut=rPV.GetView().GetFirstOutputDevice(); // GetWin(0);
2087 	if (pOut==NULL) return sal_False;
2088 	SdrObjList* pOL=rPV.GetObjList();
2089 	const SetOfByte& rVisLayer=rPV.GetVisibleLayers();
2090 	// Sensitiver Bereich der Konnektoren ist doppelt so gross wie die Handles:
2091 	sal_uInt16 nMarkHdSiz=rPV.GetView().GetMarkHdlSizePixel();
2092 	Size aHalfConSiz(nMarkHdSiz,nMarkHdSiz);
2093 	aHalfConSiz=pOut->PixelToLogic(aHalfConSiz);
2094 	Size aHalfCenterSiz(2*aHalfConSiz.Width(),2*aHalfConSiz.Height());
2095 	Rectangle aMouseRect(rPt,rPt);
2096 	aMouseRect.Left()  -=aHalfConSiz.Width();
2097 	aMouseRect.Top()   -=aHalfConSiz.Height();
2098 	aMouseRect.Right() +=aHalfConSiz.Width();
2099 	aMouseRect.Bottom()+=aHalfConSiz.Height();
2100 	sal_uInt16 nBoundHitTol=(sal_uInt16)aHalfConSiz.Width()/2; if (nBoundHitTol==0) nBoundHitTol=1;
2101 	sal_uIntPtr no=pOL->GetObjCount();
2102 	FASTBOOL bFnd=sal_False;
2103 	SdrObjConnection aTestCon;
2104 	SdrObjConnection aBestCon;
2105 	FASTBOOL bTestBoundHit=sal_False;
2106 	//int bBestBoundHit=sal_False;
2107 
2108 	while (no>0 && !bFnd) {
2109 		// Problem: Gruppenobjekt mit verschiedenen Layern liefert LayerID 0 !!!!
2110 		no--;
2111 		SdrObject* pObj=pOL->GetObj(no);
2112 		if (rVisLayer.IsSet(pObj->GetLayer()) && pObj->IsVisible() &&      // only visible objects
2113 			(pThis==NULL || pObj!=(SdrObject*)pThis) && // nicht an mich selbst connecten
2114 			pObj->IsNode())
2115 		{
2116 			Rectangle aObjBound(pObj->GetCurrentBoundRect());
2117 			if (aObjBound.IsOver(aMouseRect)) {
2118 				aTestCon.ResetVars();
2119 				bTestBoundHit=sal_False;
2120 				FASTBOOL bEdge=HAS_BASE(SdrEdgeObj,pObj); // kein BestCon fuer Edge
2121 				// Die Userdefined Konnektoren haben absolute Prioritaet.
2122 				// Danach kommt Vertex, Corner und Mitte(Best) gleich priorisiert.
2123 				// Zum Schluss kommt noch ein HitTest aufs Obj.
2124 				const SdrGluePointList* pGPL=pObj->GetGluePointList();
2125 				sal_uInt16 nConAnz=pGPL==NULL ? 0 : pGPL->GetCount();
2126 				sal_uInt16 nGesAnz=nConAnz+9;
2127 				FASTBOOL bUserFnd=sal_False;
2128 				sal_uIntPtr nBestDist=0xFFFFFFFF;
2129 				for (sal_uInt16 i=0; i<nGesAnz; i++)
2130                 {
2131 					FASTBOOL bUser=i<nConAnz;
2132 					FASTBOOL bVertex=i>=nConAnz+0 && i<nConAnz+4;
2133 					FASTBOOL bCorner=i>=nConAnz+4 && i<nConAnz+8;
2134 					FASTBOOL bCenter=i==nConAnz+8;
2135 					FASTBOOL bOk=sal_False;
2136 					Point aConPos;
2137 					sal_uInt16 nConNum=i;
2138 					if (bUser) {
2139 						const SdrGluePoint& rGP=(*pGPL)[nConNum];
2140 						aConPos=rGP.GetAbsolutePos(*pObj);
2141 						nConNum=rGP.GetId();
2142 						bOk=sal_True;
2143 					} else if (bVertex && !bUserFnd) {
2144 						nConNum=nConNum-nConAnz;
2145 						if (rPV.GetView().IsAutoVertexConnectors()) {
2146 							SdrGluePoint aPt(pObj->GetVertexGluePoint(nConNum));
2147 							aConPos=aPt.GetAbsolutePos(*pObj);
2148 							bOk=sal_True;
2149 						} else i+=3;
2150 					} else if (bCorner && !bUserFnd) {
2151 						nConNum-=nConAnz+4;
2152 						if (rPV.GetView().IsAutoCornerConnectors()) {
2153 							SdrGluePoint aPt(pObj->GetCornerGluePoint(nConNum));
2154 							aConPos=aPt.GetAbsolutePos(*pObj);
2155 							bOk=sal_True;
2156 						} else i+=3;
2157 					}
2158 					else if (bCenter && !bUserFnd && !bEdge)
2159 					{
2160 						// #109007#
2161 						// Suppress default connect at object center
2162 						if(!pThis || !pThis->GetSuppressDefaultConnect())
2163 						{
2164 							// Edges nicht!
2165 							nConNum=0;
2166 							aConPos=aObjBound.Center();
2167 							bOk=sal_True;
2168 						}
2169 					}
2170 					if (bOk && aMouseRect.IsInside(aConPos)) {
2171 						if (bUser) bUserFnd=sal_True;
2172 						bFnd=sal_True;
2173 						sal_uIntPtr nDist=(sal_uIntPtr)Abs(aConPos.X()-rPt.X())+(sal_uIntPtr)Abs(aConPos.Y()-rPt.Y());
2174 						if (nDist<nBestDist) {
2175 							nBestDist=nDist;
2176 							aTestCon.pObj=pObj;
2177 							aTestCon.nConId=nConNum;
2178 							aTestCon.bAutoCorner=bCorner;
2179 							aTestCon.bAutoVertex=bVertex;
2180 							aTestCon.bBestConn=sal_False; // bCenter;
2181 							aTestCon.bBestVertex=bCenter;
2182 						}
2183 					}
2184 				}
2185 				// Falls kein Konnektor getroffen wird nochmal
2186 				// HitTest versucht fuer BestConnector (=bCenter)
2187 				if(!bFnd &&
2188                     !bEdge &&
2189                     SdrObjectPrimitiveHit(*pObj, rPt, nBoundHitTol, rPV, &rVisLayer, false))
2190 				{
2191 					// #109007#
2192 					// Suppress default connect at object inside bound
2193 					if(!pThis || !pThis->GetSuppressDefaultConnect())
2194 					{
2195 						bFnd=sal_True;
2196 						aTestCon.pObj=pObj;
2197 						aTestCon.bBestConn=sal_True;
2198 					}
2199 				}
2200 				if (bFnd) {
2201 					Rectangle aMouseRect2(rPt,rPt);
2202 					aMouseRect.Left()  -=nBoundHitTol;
2203 					aMouseRect.Top()   -=nBoundHitTol;
2204 					aMouseRect.Right() +=nBoundHitTol;
2205 					aMouseRect.Bottom()+=nBoundHitTol;
2206 					bTestBoundHit=aObjBound.IsOver(aMouseRect2);
2207 				}
2208 
2209 			}
2210 		}
2211 	}
2212 	rCon=aTestCon;
2213 	return bFnd;
2214 }
2215 
2216 void SdrEdgeObj::NbcSetSnapRect(const Rectangle& rRect)
2217 {
2218 	const Rectangle aOld(GetSnapRect());
2219 
2220     if(aOld != rRect)
2221     {
2222         if(aRect.IsEmpty() && 0 == pEdgeTrack->GetPointCount())
2223         {
2224             // #i110629# When initializing, do not scale on empty Rectangle; this
2225             // will mirror the underlying text object (!)
2226             aRect = rRect;
2227             maSnapRect = rRect;
2228         }
2229         else
2230         {
2231 	        long nMulX = rRect.Right()  - rRect.Left();
2232 	        long nDivX = aOld.Right()   - aOld.Left();
2233 	        long nMulY = rRect.Bottom() - rRect.Top();
2234 	        long nDivY = aOld.Bottom()  - aOld.Top();
2235 	        if ( nDivX == 0 ) { nMulX = 1; nDivX = 1; }
2236 	        if ( nDivY == 0 ) { nMulY = 1; nDivY = 1; }
2237 	        Fraction aX(nMulX, nDivX);
2238 	        Fraction aY(nMulY, nDivY);
2239 	        NbcResize(aOld.TopLeft(), aX, aY);
2240 	        NbcMove(Size(rRect.Left() - aOld.Left(), rRect.Top() - aOld.Top()));
2241         }
2242     }
2243 }
2244 
2245 void SdrEdgeObj::NbcMove(const Size& rSiz)
2246 {
2247 	SdrTextObj::NbcMove(rSiz);
2248 	MoveXPoly(*pEdgeTrack,rSiz);
2249 }
2250 
2251 void SdrEdgeObj::NbcResize(const Point& rRefPnt, const Fraction& aXFact, const Fraction& aYFact)
2252 {
2253 	SdrTextObj::NbcResize(rRefPnt,aXFact,aXFact);
2254 	ResizeXPoly(*pEdgeTrack,rRefPnt,aXFact,aYFact);
2255 
2256 	// #75371# if resize is not from paste, forget user distances
2257 	if(!GetModel()->IsPasteResize())
2258 	{
2259 		// #75735#
2260 		aEdgeInfo.aObj1Line2 = Point();
2261 		aEdgeInfo.aObj1Line3 = Point();
2262 		aEdgeInfo.aObj2Line2 = Point();
2263 		aEdgeInfo.aObj2Line3 = Point();
2264 		aEdgeInfo.aMiddleLine = Point();
2265 	}
2266 }
2267 
2268 // #54102# added rotation support
2269 void SdrEdgeObj::NbcRotate(const Point& rRef, long nWink, double sn, double cs)
2270 {
2271     if(bEdgeTrackUserDefined)
2272     {
2273         // #120437# special handling when track is imported, apply
2274         // transformation directly to imported track.
2275         SdrTextObj::NbcRotate(rRef, nWink, sn, cs);
2276         RotateXPoly(*pEdgeTrack, rRef, sn, cs);
2277     }
2278     else
2279     {
2280         // handle start and end point if not connected
2281 	    FASTBOOL bCon1=aCon1.pObj!=NULL && aCon1.pObj->GetPage()==pPage;
2282 	    FASTBOOL bCon2=aCon2.pObj!=NULL && aCon2.pObj->GetPage()==pPage;
2283 
2284         if(!bCon1 && pEdgeTrack)
2285         {
2286             RotatePoint((*pEdgeTrack)[0],rRef,sn,cs);
2287             ImpDirtyEdgeTrack();
2288         }
2289 
2290         if(!bCon2 && pEdgeTrack)
2291         {
2292     	    sal_uInt16 nPntAnz = pEdgeTrack->GetPointCount();
2293             RotatePoint((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],rRef,sn,cs);
2294             ImpDirtyEdgeTrack();
2295         }
2296     }
2297 }
2298 
2299 // #54102# added mirror support
2300 void SdrEdgeObj::NbcMirror(const Point& rRef1, const Point& rRef2)
2301 {
2302     if(bEdgeTrackUserDefined)
2303     {
2304         // #120437# special handling when track is imported, apply
2305         // transformation directly to imported track.
2306         SdrTextObj::NbcMirror(rRef1, rRef2);
2307         MirrorXPoly(*pEdgeTrack, rRef1, rRef2);
2308     }
2309     else
2310     {
2311         // handle start and end point if not connected
2312 	    FASTBOOL bCon1=aCon1.pObj!=NULL && aCon1.pObj->GetPage()==pPage;
2313 	    FASTBOOL bCon2=aCon2.pObj!=NULL && aCon2.pObj->GetPage()==pPage;
2314 
2315         if(!bCon1 && pEdgeTrack)
2316         {
2317     	    MirrorPoint((*pEdgeTrack)[0],rRef1,rRef2);
2318             ImpDirtyEdgeTrack();
2319         }
2320 
2321         if(!bCon2 && pEdgeTrack)
2322         {
2323     	    sal_uInt16 nPntAnz = pEdgeTrack->GetPointCount();
2324     	    MirrorPoint((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],rRef1,rRef2);
2325             ImpDirtyEdgeTrack();
2326         }
2327     }
2328 }
2329 
2330 // #54102# added shear support
2331 void SdrEdgeObj::NbcShear(const Point& rRef, long nWink, double tn, FASTBOOL bVShear)
2332 {
2333     if(bEdgeTrackUserDefined)
2334     {
2335         // #120437# special handling when track is imported, apply
2336         // transformation directly to imported track.
2337         SdrTextObj::NbcShear(rRef, nWink, tn, bVShear);
2338         ShearXPoly(*pEdgeTrack, rRef, tn, bVShear);
2339     }
2340     else
2341     {
2342         // handle start and end point if not connected
2343 	    FASTBOOL bCon1=aCon1.pObj!=NULL && aCon1.pObj->GetPage()==pPage;
2344 	    FASTBOOL bCon2=aCon2.pObj!=NULL && aCon2.pObj->GetPage()==pPage;
2345 
2346         if(!bCon1 && pEdgeTrack)
2347         {
2348     	    ShearPoint((*pEdgeTrack)[0],rRef,tn,bVShear);
2349             ImpDirtyEdgeTrack();
2350         }
2351 
2352         if(!bCon2 && pEdgeTrack)
2353         {
2354     	    sal_uInt16 nPntAnz = pEdgeTrack->GetPointCount();
2355     	    ShearPoint((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],rRef,tn,bVShear);
2356             ImpDirtyEdgeTrack();
2357         }
2358     }
2359 }
2360 
2361 SdrObject* SdrEdgeObj::DoConvertToPolyObj(sal_Bool bBezier, bool bAddText) const
2362 {
2363 	basegfx::B2DPolyPolygon aPolyPolygon;
2364 	aPolyPolygon.append(pEdgeTrack->getB2DPolygon());
2365 	SdrObject* pRet = ImpConvertMakeObj(aPolyPolygon, sal_False, bBezier);
2366 
2367     if(bAddText)
2368     {
2369     	pRet = ImpConvertAddText(pRet, bBezier);
2370     }
2371 
2372 	return pRet;
2373 }
2374 
2375 sal_uInt32 SdrEdgeObj::GetSnapPointCount() const
2376 {
2377 	return 2L;
2378 }
2379 
2380 Point SdrEdgeObj::GetSnapPoint(sal_uInt32 i) const
2381 {
2382 	((SdrEdgeObj*)this)->ImpUndirtyEdgeTrack();
2383 	sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2384 	if (i==0) return (*pEdgeTrack)[0];
2385 	else return (*pEdgeTrack)[nAnz-1];
2386 }
2387 
2388 sal_Bool SdrEdgeObj::IsPolyObj() const
2389 {
2390 	return sal_False;
2391 }
2392 
2393 sal_uInt32 SdrEdgeObj::GetPointCount() const
2394 {
2395 	return 0L;
2396 }
2397 
2398 Point SdrEdgeObj::GetPoint(sal_uInt32 i) const
2399 {
2400 	((SdrEdgeObj*)this)->ImpUndirtyEdgeTrack();
2401 	sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2402 	if (0L == i)
2403 		return (*pEdgeTrack)[0];
2404 	else
2405 		return (*pEdgeTrack)[nAnz-1];
2406 }
2407 
2408 void SdrEdgeObj::NbcSetPoint(const Point& rPnt, sal_uInt32 i)
2409 {
2410 	// ToDo: Umconnekten fehlt noch
2411 	ImpUndirtyEdgeTrack();
2412 	sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2413 	if (0L == i)
2414 		(*pEdgeTrack)[0]=rPnt;
2415 	if (1L == i)
2416 		(*pEdgeTrack)[nAnz-1]=rPnt;
2417 	SetEdgeTrackDirty();
2418 	SetRectsDirty();
2419 }
2420 
2421 SdrEdgeObjGeoData::SdrEdgeObjGeoData()
2422 {
2423 	pEdgeTrack=new XPolygon;
2424 }
2425 
2426 SdrEdgeObjGeoData::~SdrEdgeObjGeoData()
2427 {
2428 	delete pEdgeTrack;
2429 }
2430 
2431 SdrObjGeoData* SdrEdgeObj::NewGeoData() const
2432 {
2433 	return new SdrEdgeObjGeoData;
2434 }
2435 
2436 void SdrEdgeObj::SaveGeoData(SdrObjGeoData& rGeo) const
2437 {
2438 	SdrTextObj::SaveGeoData(rGeo);
2439 	SdrEdgeObjGeoData& rEGeo=(SdrEdgeObjGeoData&)rGeo;
2440 	rEGeo.aCon1          =aCon1;
2441 	rEGeo.aCon2          =aCon2;
2442 	*rEGeo.pEdgeTrack    =*pEdgeTrack;
2443 	rEGeo.bEdgeTrackDirty=bEdgeTrackDirty;
2444 	rEGeo.bEdgeTrackUserDefined=bEdgeTrackUserDefined;
2445 	rEGeo.aEdgeInfo      =aEdgeInfo;
2446 }
2447 
2448 void SdrEdgeObj::RestGeoData(const SdrObjGeoData& rGeo)
2449 {
2450 	SdrTextObj::RestGeoData(rGeo);
2451 	SdrEdgeObjGeoData& rEGeo=(SdrEdgeObjGeoData&)rGeo;
2452 	if (aCon1.pObj!=rEGeo.aCon1.pObj) {
2453 		if (aCon1.pObj!=NULL) aCon1.pObj->RemoveListener(*this);
2454 		aCon1=rEGeo.aCon1;
2455 		if (aCon1.pObj!=NULL) aCon1.pObj->AddListener(*this);
2456 	}
2457 	if (aCon2.pObj!=rEGeo.aCon2.pObj) {
2458 		if (aCon2.pObj!=NULL) aCon2.pObj->RemoveListener(*this);
2459 		aCon2=rEGeo.aCon2;
2460 		if (aCon2.pObj!=NULL) aCon2.pObj->AddListener(*this);
2461 	}
2462 	*pEdgeTrack    =*rEGeo.pEdgeTrack;
2463 	bEdgeTrackDirty=rEGeo.bEdgeTrackDirty;
2464 	bEdgeTrackUserDefined=rEGeo.bEdgeTrackUserDefined;
2465 	aEdgeInfo      =rEGeo.aEdgeInfo;
2466 }
2467 
2468 Point SdrEdgeObj::GetTailPoint( sal_Bool bTail ) const
2469 {
2470 	if( pEdgeTrack && pEdgeTrack->GetPointCount()!=0)
2471 	{
2472 		const XPolygon& rTrack0 = *pEdgeTrack;
2473 		if(bTail)
2474 		{
2475 			return rTrack0[0];
2476 		}
2477 		else
2478 		{
2479 			const sal_uInt16 nSiz = rTrack0.GetPointCount() - 1;
2480 			return rTrack0[nSiz];
2481 		}
2482 	}
2483 	else
2484 	{
2485 		if(bTail)
2486 			return aOutRect.TopLeft();
2487 		else
2488 			return aOutRect.BottomRight();
2489 	}
2490 
2491 }
2492 
2493 void SdrEdgeObj::SetTailPoint( sal_Bool bTail, const Point& rPt )
2494 {
2495 	ImpSetTailPoint( bTail, rPt );
2496 	SetChanged();
2497 }
2498 
2499 /** this method is used by the api to set a glue point for a connection
2500 	nId == -1 :		The best default point is automaticly choosen
2501 	0 <= nId <= 3 : One of the default points is choosen
2502 	nId >= 4 :		A user defined glue point is choosen
2503 */
2504 void SdrEdgeObj::setGluePointIndex( sal_Bool bTail, sal_Int32 nIndex /* = -1 */ )
2505 {
2506 	Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetCurrentBoundRect();
2507 	// #110094#-14 BroadcastObjectChange();
2508 
2509 	SdrObjConnection& rConn1 = GetConnection( bTail );
2510 
2511 	rConn1.SetAutoVertex( nIndex >= 0 && nIndex <= 3 );
2512 	rConn1.SetBestConnection( nIndex < 0 );
2513 	rConn1.SetBestVertex( nIndex < 0 );
2514 
2515 	if( nIndex > 3 )
2516 	{
2517 //		nIndex -= 4;
2518 		nIndex -= 3;		// SJ: the start api index is 0, whereas the implementation in svx starts from 1
2519 
2520 		// for user defined glue points we have
2521 		// to get the id for this index first
2522 		const SdrGluePointList* pList = rConn1.GetObject() ? rConn1.GetObject()->GetGluePointList() : NULL;
2523 		if( pList == NULL || SDRGLUEPOINT_NOTFOUND == pList->FindGluePoint((sal_uInt16)nIndex) )
2524 			return;
2525 	}
2526 	else if( nIndex < 0 )
2527 	{
2528 		nIndex = 0;
2529 	}
2530 
2531 	rConn1.SetConnectorId( (sal_uInt16)nIndex );
2532 
2533 	SetChanged();
2534 	SetRectsDirty();
2535 	ImpRecalcEdgeTrack();
2536 	// bEdgeTrackDirty=sal_True;
2537 }
2538 
2539 /** this method is used by the api to return a glue point id for a connection.
2540 	See setGluePointId for possible return values */
2541 sal_Int32 SdrEdgeObj::getGluePointIndex( sal_Bool bTail )
2542 {
2543 	SdrObjConnection& rConn1 = GetConnection( bTail );
2544 	sal_Int32 nId = -1;
2545 	if( !rConn1.IsBestConnection() )
2546 	{
2547 		nId = rConn1.GetConnectorId();
2548 		if( !rConn1.IsAutoVertex() )
2549 //			nId += 4;
2550 			nId += 3;		// SJ: the start api index is 0, whereas the implementation in svx starts from 1
2551 	}
2552 	return nId;
2553 }
2554 
2555 // #102344# Implementation was missing; edge track needs to be invalidated additionally.
2556 void SdrEdgeObj::NbcSetAnchorPos(const Point& rPnt)
2557 {
2558 	// call parent functionality
2559 	SdrTextObj::NbcSetAnchorPos(rPnt);
2560 
2561 	// Additionally, invalidate edge track
2562 	ImpDirtyEdgeTrack();
2563 }
2564 
2565 sal_Bool SdrEdgeObj::TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegfx::B2DPolyPolygon& rPolyPolygon) const
2566 {
2567 	// use base method from SdrObject, it's not rotatable and
2568 	// a call to GetSnapRect() is used. That's what we need for Connector.
2569 	return SdrObject::TRGetBaseGeometry(rMatrix, rPolyPolygon);
2570 }
2571 
2572 void SdrEdgeObj::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& rPolyPolygon)
2573 {
2574 	// evtl. take care for existing connections. For now, just use the
2575 	// implementation from SdrObject.
2576 	SdrObject::TRSetBaseGeometry(rMatrix, rPolyPolygon);
2577 }
2578 
2579 // for geometry access
2580 ::basegfx::B2DPolygon SdrEdgeObj::getEdgeTrack() const
2581 {
2582 	if(bEdgeTrackDirty)
2583 	{
2584 		const_cast< SdrEdgeObj* >(this)->ImpRecalcEdgeTrack();
2585 	}
2586 
2587 	if(pEdgeTrack)
2588 	{
2589 		return pEdgeTrack->getB2DPolygon();
2590 	}
2591 	else
2592 	{
2593 		return ::basegfx::B2DPolygon();
2594 	}
2595 }
2596 
2597 //////////////////////////////////////////////////////////////////////////////
2598 // eof
2599