xref: /AOO41X/main/svx/source/svdraw/svdoedge.cxx (revision 54628ca40d27d15cc98fe861da7fff7e60c2f7d6)
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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         //int bBoundOverlap=aBoundRect1.Right()>aBoundRect2.Left() && aBoundRect1.Left()<aBoundRect2.Right() &&
956                                aBoundRect1.Bottom()>aBoundRect2.Top() && aBoundRect1.Top()<aBoundRect2.Bottom();
957         FASTBOOL bBewareOverlap=aBewareRect1.Right()>aBewareRect2.Left() && aBewareRect1.Left()<aBewareRect2.Right() &&
958                                 aBewareRect1.Bottom()>aBewareRect2.Top() && aBewareRect1.Top()<aBewareRect2.Bottom();
959         unsigned nMainCase=3;
960         if (nAngle1==nAngle2) nMainCase=1;
961         else if ((bHor1 && bHor2) || (bVer1 && bVer2)) nMainCase=2;
962         if (nMainCase==1) { // Fall 1: Beide in eine Richtung moeglich.
963             if (bVer1) aMeeting.X()=(aPt1.X()+aPt2.X()+1)/2; // ist hier besser, als der
964             if (bHor1) aMeeting.Y()=(aPt1.Y()+aPt2.Y()+1)/2; // Mittelpunkt des Freiraums
965             // bX1Ok bedeutet, dass die Vertikale, die aus Obj1 austritt, keinen Konflikt mit Obj2 bildet, ...
966             FASTBOOL bX1Ok=aPt1.X()<=aBewareRect2.Left() || aPt1.X()>=aBewareRect2.Right();
967             FASTBOOL bX2Ok=aPt2.X()<=aBewareRect1.Left() || aPt2.X()>=aBewareRect1.Right();
968             FASTBOOL bY1Ok=aPt1.Y()<=aBewareRect2.Top() || aPt1.Y()>=aBewareRect2.Bottom();
969             FASTBOOL bY2Ok=aPt2.Y()<=aBewareRect1.Top() || aPt2.Y()>=aBewareRect1.Bottom();
970             if (bLks1 && (bY1Ok || aBewareRect1.Left()<aBewareRect2.Right()) && (bY2Ok || aBewareRect2.Left()<aBewareRect1.Right())) {
971                 aMeeting.X()=nXMin;
972                 bMeetingXMid=sal_False;
973             }
974             if (bRts1 && (bY1Ok || aBewareRect1.Right()>aBewareRect2.Left()) && (bY2Ok || aBewareRect2.Right()>aBewareRect1.Left())) {
975                 aMeeting.X()=nXMax;
976                 bMeetingXMid=sal_False;
977             }
978             if (bObn1 && (bX1Ok || aBewareRect1.Top()<aBewareRect2.Bottom()) && (bX2Ok || aBewareRect2.Top()<aBewareRect1.Bottom())) {
979                 aMeeting.Y()=nYMin;
980                 bMeetingYMid=sal_False;
981             }
982             if (bUnt1 && (bX1Ok || aBewareRect1.Bottom()>aBewareRect2.Top()) && (bX2Ok || aBewareRect2.Bottom()>aBewareRect1.Top())) {
983                 aMeeting.Y()=nYMax;
984                 bMeetingYMid=sal_False;
985             }
986         } else if (nMainCase==2) {
987             // Fall 2:
988             bForceMeeting=sal_True;
989             if (bHor1) { // beide waagerecht
990                 /* 9 Moeglichkeiten:                   � � �                    */
991                 /*   2.1 Gegenueber, Ueberschneidung   � � �                    */
992                 /*       nur auf der Y-Achse           � � �                    */
993                 /*   2.2, 2.3 Gegenueber, vertikal versetzt. � � �   � � �      */
994                 /*            Ueberschneidung weder auf der  � � �   � � �      */
995                 /*            X- noch auf der Y-Achse        � � �   � � �      */
996                 /*   2.4, 2.5 Untereinander,   � � �   � � �                    */
997                 /*            Ueberschneidung  � � �   � � �                    */
998                 /*            nur auf X-Achse  � � �   � � �                    */
999                 /*   2.6, 2.7 Gegeneinander, vertikal versetzt. � � �   � � �   */
1000                 /*            Ueberschneidung weder auf der     � � �   � � �   */
1001                 /*            X- noch auf der Y-Achse.          � � �   � � �   */
1002                 /*   2.8 Gegeneinander.       � � �                             */
1003                 /*       Ueberschneidung nur  � � �                             */
1004                 /*       auf der Y-Achse.     � � �                             */
1005                 /*   2.9 Die BewareRects der Objekte ueberschneiden             */
1006                 /*       sich auf X- und Y-Achse.                               */
1007                 /* Die Faelle gelten entsprechend umgesetzt auch fuer           */
1008                 /* senkrechte Linienaustritte.                                  */
1009                 /* Die Faelle 2.1-2.7 werden mit dem Default-Meeting ausreichend*/
1010                 /* gut behandelt. Spezielle MeetingPoints werden hier also nur  */
1011                 /* fuer 2.8 und 2.9 bestimmt.                                   */
1012 
1013                 // Normalisierung. aR1 soll der nach rechts und
1014                 // aR2 der nach links austretende sein.
1015                 Rectangle aBewR1(bRts1 ? aBewareRect1 : aBewareRect2);
1016                 Rectangle aBewR2(bRts1 ? aBewareRect2 : aBewareRect1);
1017                 Rectangle aBndR1(bRts1 ? aBoundRect1 : aBoundRect2);
1018                 Rectangle aBndR2(bRts1 ? aBoundRect2 : aBoundRect1);
1019                 if (aBewR1.Bottom()>aBewR2.Top() && aBewR1.Top()<aBewR2.Bottom()) {
1020                     // Ueberschneidung auf der Y-Achse. Faelle 2.1, 2.8, 2.9
1021                     if (aBewR1.Right()>aBewR2.Left()) {
1022                         // Faelle 2.8, 2.9
1023                         // Fall 2.8 ist immer Aussenrumlauf (bDirect=sal_False).
1024                         // Fall 2.9 kann auch Direktverbindung sein (bei geringer
1025                         // Ueberschneidung der BewareRects ohne Ueberschneidung der
1026                         // Boundrects wenn die Linienaustritte sonst das BewareRect
1027                         // des jeweils anderen Objekts verletzen wuerden.
1028                         FASTBOOL bCase29Direct=sal_False;
1029                         FASTBOOL bCase29=aBewR1.Right()>aBewR2.Left();
1030                         if (aBndR1.Right()<=aBndR2.Left()) { // Fall 2.9 und keine Boundrectueberschneidung
1031                             if ((aPt1.Y()>aBewareRect2.Top() && aPt1.Y()<aBewareRect2.Bottom()) ||
1032                                 (aPt2.Y()>aBewareRect1.Top() && aPt2.Y()<aBewareRect1.Bottom())) {
1033                                bCase29Direct=sal_True;
1034                             }
1035                         }
1036                         if (!bCase29Direct) {
1037                             FASTBOOL bObenLang=Abs(nYMin-aMeeting.Y())<=Abs(nYMax-aMeeting.Y());
1038                             if (bObenLang) {
1039                                 aMeeting.Y()=nYMin;
1040                             } else {
1041                                 aMeeting.Y()=nYMax;
1042                             }
1043                             bMeetingYMid=sal_False;
1044                             if (bCase29) {
1045                                 // und nun noch dafuer sorgen, dass das
1046                                 // umzingelte Obj nicht durchquert wird
1047                                 if ((aBewR1.Center().Y()<aBewR2.Center().Y()) != bObenLang) {
1048                                     aMeeting.X()=aBewR2.Right();
1049                                 } else {
1050                                     aMeeting.X()=aBewR1.Left();
1051                                 }
1052                                 bMeetingXMid=sal_False;
1053                             }
1054                         } else {
1055                             // Direkte Verbindung (3-Linien Z-Verbindung), da
1056                             // Verletzung der BewareRects unvermeidlich ist.
1057                             // Via Dreisatz werden die BewareRects nun verkleinert.
1058                             long nWant1=aBewR1.Right()-aBndR1.Right(); // Abstand bei Obj1
1059                             long nWant2=aBndR2.Left()-aBewR2.Left();   // Abstand bei Obj2
1060                             long nSpace=aBndR2.Left()-aBndR1.Right(); // verfuegbarer Platz
1061                             long nGet1=BigMulDiv(nWant1,nSpace,nWant1+nWant2);
1062                             long nGet2=nSpace-nGet1;
1063                             if (bRts1) { // Normalisierung zurueckwandeln
1064                                 aBewareRect1.Right()+=nGet1-nWant1;
1065                                 aBewareRect2.Left()-=nGet2-nWant2;
1066                             } else {
1067                                 aBewareRect2.Right()+=nGet1-nWant1;
1068                                 aBewareRect1.Left()-=nGet2-nWant2;
1069                             }
1070                             nIntersections++; // Qualitaet herabsetzen
1071                         }
1072                     }
1073                 }
1074             } else if (bVer1) { // beide senkrecht
1075                 Rectangle aBewR1(bUnt1 ? aBewareRect1 : aBewareRect2);
1076                 Rectangle aBewR2(bUnt1 ? aBewareRect2 : aBewareRect1);
1077                 Rectangle aBndR1(bUnt1 ? aBoundRect1 : aBoundRect2);
1078                 Rectangle aBndR2(bUnt1 ? aBoundRect2 : aBoundRect1);
1079                 if (aBewR1.Right()>aBewR2.Left() && aBewR1.Left()<aBewR2.Right()) {
1080                     // Ueberschneidung auf der Y-Achse. Faelle 2.1, 2.8, 2.9
1081                     if (aBewR1.Bottom()>aBewR2.Top()) {
1082                         // Faelle 2.8, 2.9
1083                         // Fall 2.8 ist immer Aussenrumlauf (bDirect=sal_False).
1084                         // Fall 2.9 kann auch Direktverbindung sein (bei geringer
1085                         // Ueberschneidung der BewareRects ohne Ueberschneidung der
1086                         // Boundrects wenn die Linienaustritte sonst das BewareRect
1087                         // des jeweils anderen Objekts verletzen wuerden.
1088                         FASTBOOL bCase29Direct=sal_False;
1089                         FASTBOOL bCase29=aBewR1.Bottom()>aBewR2.Top();
1090                         if (aBndR1.Bottom()<=aBndR2.Top()) { // Fall 2.9 und keine Boundrectueberschneidung
1091                             if ((aPt1.X()>aBewareRect2.Left() && aPt1.X()<aBewareRect2.Right()) ||
1092                                 (aPt2.X()>aBewareRect1.Left() && aPt2.X()<aBewareRect1.Right())) {
1093                                bCase29Direct=sal_True;
1094                             }
1095                         }
1096                         if (!bCase29Direct) {
1097                             FASTBOOL bLinksLang=Abs(nXMin-aMeeting.X())<=Abs(nXMax-aMeeting.X());
1098                             if (bLinksLang) {
1099                                 aMeeting.X()=nXMin;
1100                             } else {
1101                                 aMeeting.X()=nXMax;
1102                             }
1103                             bMeetingXMid=sal_False;
1104                             if (bCase29) {
1105                                 // und nun noch dafuer sorgen, dass das
1106                                 // umzingelte Obj nicht durchquert wird
1107                                 if ((aBewR1.Center().X()<aBewR2.Center().X()) != bLinksLang) {
1108                                     aMeeting.Y()=aBewR2.Bottom();
1109                                 } else {
1110                                     aMeeting.Y()=aBewR1.Top();
1111                                 }
1112                                 bMeetingYMid=sal_False;
1113                             }
1114                         } else {
1115                             // Direkte Verbindung (3-Linien Z-Verbindung), da
1116                             // Verletzung der BewareRects unvermeidlich ist.
1117                             // Via Dreisatz werden die BewareRects nun verkleinert.
1118                             long nWant1=aBewR1.Bottom()-aBndR1.Bottom(); // Abstand bei Obj1
1119                             long nWant2=aBndR2.Top()-aBewR2.Top();   // Abstand bei Obj2
1120                             long nSpace=aBndR2.Top()-aBndR1.Bottom(); // verfuegbarer Platz
1121                             long nGet1=BigMulDiv(nWant1,nSpace,nWant1+nWant2);
1122                             long nGet2=nSpace-nGet1;
1123                             if (bUnt1) { // Normalisierung zurueckwandeln
1124                                 aBewareRect1.Bottom()+=nGet1-nWant1;
1125                                 aBewareRect2.Top()-=nGet2-nWant2;
1126                             } else {
1127                                 aBewareRect2.Bottom()+=nGet1-nWant1;
1128                                 aBewareRect1.Top()-=nGet2-nWant2;
1129                             }
1130                             nIntersections++; // Qualitaet herabsetzen
1131                         }
1132                     }
1133                 }
1134             }
1135         } else if (nMainCase==3) { // Fall 3: Einer waagerecht und der andere senkrecht. Sehr viele Fallunterscheidungen
1136             /* Kleine Legende: � � � � � -> Ohne Ueberschneidung, maximal Beruehrung.                   */
1137             /*                 � � � � � -> Ueberschneidung                                             */
1138             /*                 � � � � � -> Selbe Hoehe                                                 */
1139             /*                 � � � � � -> Ueberschneidung                                             */
1140             /*                 � � � � � -> Ohne Ueberschneidung, maximal Beruehrung.                   */
1141             /* Linienaustritte links �, rechts �, oben � und unten �.                                   */
1142             /* Insgesamt sind 96 Konstellationen moeglich, wobei einige nicht einmal                    */
1143             /* eindeutig einem Fall und damit einer Behandlungsmethode zugeordnet werden                */
1144             /* koennen.                                                                                 */
1145             /* 3.1: Hierzu moegen alle Konstellationen zaehlen, die durch den                           */
1146             /*      Default-MeetingPoint zufriedenstellend abgedeckt sind (20+12).                      */
1147             /*   � � � � �    � � � � �   Diese 12  � � � � �    � � � � �    � � � � �    � � � � �    */
1148             /*   � � � � �    � � � � �   Konstel.  � � � � �    � � � � �    � � � � �    � � � � �    */
1149             /*   � � � � �    � � � � �   jedoch    � � � � �    � � � � �    � � � � �    � � � � �    */
1150             /*   � � � � �    � � � � �   nur zum   � � � � �    � � � � �    � � � � �    � � � � �    */
1151             /*   � � � � �    � � � � �   Teil:     � � � � �    � � � � �    � � � � �    � � � � �    */
1152             /*   Letztere 16 Faelle scheiden aus, sobald sich die Objekte offen                         */
1153             /*   gegenueberstehen (siehe Fall 3.2).                                                     */
1154             /* 3.2: Die Objekte stehen sich offen gegenueber und somit ist eine                         */
1155             /*      Verbindung mit lediglich 2 Linien moeglich (4+20).                                  */
1156             /*      Dieser Fall hat 1. Prioritaet.                                                      */
1157             /*   � � � � �   � � � � �   Diese 20  � � � � �   � � � � �   � � � � �   � � � � �        */
1158             /*   � � � � �   � � � � �   Konstel.  � � � � �   � � � � �   � � � � �   � � � � �        */
1159             /*   � � � � �   � � � � �   jedoch    � � � � �   � � � � �   � � � � �   � � � � �        */
1160             /*   � � � � �   � � � � �   nur zum   � � � � �   � � � � �   � � � � �   � � � � �        */
1161             /*   � � � � �   � � � � �   Teil:     � � � � �   � � � � �   � � � � �   � � � � �        */
1162             /* 3.3: Die Linienaustritte zeigen vom anderen Objekt weg bzw. hinter                       */
1163             /*      dessen Ruecken vorbei (52+4).                                                       */
1164             /*   � � � � �   � � � � �   � � � � �   � � � � �   Diese 4   � � � � �   � � � � �        */
1165             /*   � � � � �   � � � � �   � � � � �   � � � � �   Konstel.  � � � � �   � � � � �        */
1166             /*   � � � � �   � � � � �   � � � � �   � � � � �   jedoch    � � � � �   � � � � �        */
1167             /*   � � � � �   � � � � �   � � � � �   � � � � �   nur zum   � � � � �   � � � � �        */
1168             /*   � � � � �   � � � � �   � � � � �   � � � � �   Teil:     � � � � �   � � � � �        */
1169 
1170             // Fall 3.2
1171             Rectangle aTmpR1(aBewareRect1);
1172             Rectangle aTmpR2(aBewareRect2);
1173             if (bBewareOverlap) {
1174                 // Ueberschneidung der BewareRects: BoundRects fuer Check auf Fall 3.2 verwenden.
1175                 aTmpR1=aBoundRect1;
1176                 aTmpR2=aBoundRect2;
1177             }
1178             if ((((bRts1 && aTmpR1.Right ()<=aPt2.X()) || (bLks1 && aTmpR1.Left()>=aPt2.X())) &&
1179                  ((bUnt2 && aTmpR2.Bottom()<=aPt1.Y()) || (bObn2 && aTmpR2.Top ()>=aPt1.Y()))) ||
1180                 (((bRts2 && aTmpR2.Right ()<=aPt1.X()) || (bLks2 && aTmpR2.Left()>=aPt1.X())) &&
1181                  ((bUnt1 && aTmpR1.Bottom()<=aPt2.Y()) || (bObn1 && aTmpR1.Top ()>=aPt2.Y())))) {
1182                 // Fall 3.2 trifft zu: Verbindung mit lediglich 2 Linien
1183                 bForceMeeting=sal_True;
1184                 bMeetingXMid=sal_False;
1185                 bMeetingYMid=sal_False;
1186                 if (bHor1) {
1187                     aMeeting.X()=aPt2.X();
1188                     aMeeting.Y()=aPt1.Y();
1189                 } else {
1190                     aMeeting.X()=aPt1.X();
1191                     aMeeting.Y()=aPt2.Y();
1192                 }
1193                 // Falls Ueberschneidung der BewareRects:
1194                 aBewareRect1=aTmpR1;
1195                 aBewareRect2=aTmpR2;
1196             } else if ((((bRts1 && aBewareRect1.Right ()>aBewareRect2.Left  ()) ||
1197                          (bLks1 && aBewareRect1.Left  ()<aBewareRect2.Right ())) &&
1198                         ((bUnt2 && aBewareRect2.Bottom()>aBewareRect1.Top   ()) ||
1199                          (bObn2 && aBewareRect2.Top   ()<aBewareRect1.Bottom()))) ||
1200                        (((bRts2 && aBewareRect2.Right ()>aBewareRect1.Left  ()) ||
1201                          (bLks2 && aBewareRect2.Left  ()<aBewareRect1.Right ())) &&
1202                         ((bUnt1 && aBewareRect1.Bottom()>aBewareRect2.Top   ()) ||
1203                          (bObn1 && aBewareRect1.Top   ()<aBewareRect2.Bottom())))) {
1204                 // Fall 3.3
1205                 bForceMeeting=sal_True;
1206                 if (bRts1 || bRts2) { aMeeting.X()=nXMax; bMeetingXMid=sal_False; }
1207                 if (bLks1 || bLks2) { aMeeting.X()=nXMin; bMeetingXMid=sal_False; }
1208                 if (bUnt1 || bUnt2) { aMeeting.Y()=nYMax; bMeetingYMid=sal_False; }
1209                 if (bObn1 || bObn2) { aMeeting.Y()=nYMin; bMeetingYMid=sal_False; }
1210             }
1211         }
1212     }
1213 
1214     XPolygon aXP1(ImpCalcObjToCenter(aPt1,nAngle1,aBewareRect1,aMeeting));
1215     XPolygon aXP2(ImpCalcObjToCenter(aPt2,nAngle2,aBewareRect2,aMeeting));
1216     sal_uInt16 nXP1Anz=aXP1.GetPointCount();
1217     sal_uInt16 nXP2Anz=aXP2.GetPointCount();
1218     if (bInfo) {
1219         pInfo->nObj1Lines=nXP1Anz; if (nXP1Anz>1) pInfo->nObj1Lines--;
1220         pInfo->nObj2Lines=nXP2Anz; if (nXP2Anz>1) pInfo->nObj2Lines--;
1221     }
1222     Point aEP1(aXP1[nXP1Anz-1]);
1223     Point aEP2(aXP2[nXP2Anz-1]);
1224     FASTBOOL bInsMeetingPoint=aEP1.X()!=aEP2.X() && aEP1.Y()!=aEP2.Y();
1225     FASTBOOL bHorzE1=aEP1.Y()==aXP1[nXP1Anz-2].Y(); // letzte Linie von XP1 horizontal?
1226     FASTBOOL bHorzE2=aEP2.Y()==aXP2[nXP2Anz-2].Y(); // letzte Linie von XP2 horizontal?
1227     if (aEP1==aEP2 && (bHorzE1 && bHorzE2 && aEP1.Y()==aEP2.Y()) || (!bHorzE1 && !bHorzE2 && aEP1.X()==aEP2.X())) {
1228         // Sonderbehandlung fuer 'I'-Verbinder
1229         nXP1Anz--; aXP1.Remove(nXP1Anz,1);
1230         nXP2Anz--; aXP2.Remove(nXP2Anz,1);
1231         bMeetingXMid=sal_False;
1232         bMeetingYMid=sal_False;
1233     }
1234     if (bInsMeetingPoint) {
1235         aXP1.Insert(XPOLY_APPEND,aMeeting,XPOLY_NORMAL);
1236         if (bInfo) {
1237             // Durch einfuegen des MeetingPoints kommen 2 weitere Linie hinzu.
1238             // Evtl. wird eine von diesen die Mittellinie.
1239             if (pInfo->nObj1Lines==pInfo->nObj2Lines) {
1240                 pInfo->nObj1Lines++;
1241                 pInfo->nObj2Lines++;
1242             } else {
1243                 if (pInfo->nObj1Lines>pInfo->nObj2Lines) {
1244                     pInfo->nObj2Lines++;
1245                     pInfo->nMiddleLine=nXP1Anz-1;
1246                 } else {
1247                     pInfo->nObj1Lines++;
1248                     pInfo->nMiddleLine=nXP1Anz;
1249                 }
1250             }
1251         }
1252     } else if (bInfo && aEP1!=aEP2 && nXP1Anz+nXP2Anz>=4) {
1253         // Durch Verbinden der beiden Enden kommt eine weitere Linie hinzu.
1254         // Dies wird die Mittellinie.
1255         pInfo->nMiddleLine=nXP1Anz-1;
1256     }
1257     sal_uInt16 nNum=aXP2.GetPointCount();
1258     if (aXP1[nXP1Anz-1]==aXP2[nXP2Anz-1] && nXP1Anz>1 && nXP2Anz>1) nNum--;
1259     while (nNum>0) {
1260         nNum--;
1261         aXP1.Insert(XPOLY_APPEND,aXP2[nNum],XPOLY_NORMAL);
1262     }
1263     sal_uInt16 nPntAnz=aXP1.GetPointCount();
1264     char cForm=0;
1265     if (bInfo || pnQuality!=NULL) {
1266         cForm='?';
1267         if (nPntAnz==2) cForm='I';
1268         else if (nPntAnz==3) cForm='L';
1269         else if (nPntAnz==4) { // Z oder U
1270             if (nAngle1==nAngle2) cForm='U';
1271             else cForm='Z';
1272         } else if (nPntAnz==4) { /* �-�  �-�  */
1273             /* ...                 -�     -�  */
1274         } else if (nPntAnz==6) { // S oder C oder ...
1275             if (nAngle1!=nAngle2) {
1276                 // Fuer Typ S hat Linie2 dieselbe Richtung wie Linie4.
1277                 // Bei Typ C sind die beiden genau entgegengesetzt.
1278                 Point aP1(aXP1[1]);
1279                 Point aP2(aXP1[2]);
1280                 Point aP3(aXP1[3]);
1281                 Point aP4(aXP1[4]);
1282                 if (aP1.Y()==aP2.Y()) { // beide Linien Horz
1283                     if ((aP1.X()<aP2.X())==(aP3.X()<aP4.X())) cForm='S';
1284                     else cForm='C';
1285                 } else { // sonst beide Linien Vert
1286                     if ((aP1.Y()<aP2.Y())==(aP3.Y()<aP4.Y())) cForm='S';
1287                     else cForm='C';
1288                 }
1289             } else cForm='4'; // sonst der 3. Fall mit 5 Linien
1290         } else cForm='?';  //
1291         // Weitere Formen:
1292         if (bInfo) {
1293             pInfo->cOrthoForm=cForm;
1294             if (cForm=='I' || cForm=='L' || cForm=='Z' || cForm=='U') {
1295                 pInfo->nObj1Lines=1;
1296                 pInfo->nObj2Lines=1;
1297                 if (cForm=='Z' || cForm=='U') {
1298                     pInfo->nMiddleLine=1;
1299                 } else {
1300                     pInfo->nMiddleLine=0xFFFF;
1301                 }
1302             } else if (cForm=='S' || cForm=='C') {
1303                 pInfo->nObj1Lines=2;
1304                 pInfo->nObj2Lines=2;
1305                 pInfo->nMiddleLine=2;
1306             }
1307         }
1308     }
1309     if (pnQuality!=NULL) {
1310         sal_uIntPtr nQual=0;
1311         sal_uIntPtr nQual0=nQual; // Ueberlaeufe vorbeugen
1312         FASTBOOL bOverflow=sal_False;
1313         Point aPt0(aXP1[0]);
1314         for (sal_uInt16 nPntNum=1; nPntNum<nPntAnz; nPntNum++) {
1315             Point aPt1b(aXP1[nPntNum]);
1316             nQual+=Abs(aPt1b.X()-aPt0.X())+Abs(aPt1b.Y()-aPt0.Y());
1317             if (nQual<nQual0) bOverflow=sal_True;
1318             nQual0=nQual;
1319             aPt0=aPt1b;
1320         }
1321 
1322         sal_uInt16 nTmp=nPntAnz;
1323         if (cForm=='Z') {
1324             nTmp=2; // Z-Form hat gute Qualitaet (nTmp=2 statt 4)
1325             sal_uIntPtr n1=Abs(aXP1[1].X()-aXP1[0].X())+Abs(aXP1[1].Y()-aXP1[0].Y());
1326             sal_uIntPtr n2=Abs(aXP1[2].X()-aXP1[1].X())+Abs(aXP1[2].Y()-aXP1[1].Y());
1327             sal_uIntPtr n3=Abs(aXP1[3].X()-aXP1[2].X())+Abs(aXP1[3].Y()-aXP1[2].Y());
1328             // fuer moeglichst gleichlange Linien sorgen
1329             sal_uIntPtr nBesser=0;
1330             n1+=n3;
1331             n3=n2/4;
1332             if (n1>=n2) nBesser=6;
1333             else if (n1>=3*n3) nBesser=4;
1334             else if (n1>=2*n3) nBesser=2;
1335             if (aXP1[0].Y()!=aXP1[1].Y()) nBesser++; // Senkrechte Startlinie kriegt auch noch einen Pluspunkt (fuer H/V-Prio)
1336             if (nQual>nBesser) nQual-=nBesser; else nQual=0;
1337         }
1338         if (nTmp>=3) {
1339             nQual0=nQual;
1340             nQual+=(sal_uIntPtr)nTmp*0x01000000;
1341             if (nQual<nQual0 || nTmp>15) bOverflow=sal_True;
1342         }
1343         if (nPntAnz>=2) { // Austrittswinkel nochmal pruefen
1344             Point aP1(aXP1[1]); aP1-=aXP1[0];
1345             Point aP2(aXP1[nPntAnz-2]); aP2-=aXP1[nPntAnz-1];
1346             long nAng1=0; if (aP1.X()<0) nAng1=18000; if (aP1.Y()>0) nAng1=27000;
1347             if (aP1.Y()<0) nAng1=9000; if (aP1.X()!=0 && aP1.Y()!=0) nAng1=1; // Schraeg!?!
1348             long nAng2=0; if (aP2.X()<0) nAng2=18000; if (aP2.Y()>0) nAng2=27000;
1349             if (aP2.Y()<0) nAng2=9000; if (aP2.X()!=0 && aP2.Y()!=0) nAng2=1; // Schraeg!?!
1350             if (nAng1!=nAngle1) nIntersections++;
1351             if (nAng2!=nAngle2) nIntersections++;
1352         }
1353 
1354         // Fuer den Qualitaetscheck wieder die Original-Rects verwenden und
1355         // gleichzeitig checken, ob eins fuer die Edge-Berechnung verkleinert
1356         // wurde (z.B. Fall 2.9)
1357         aBewareRect1=rBewareRect1;
1358         aBewareRect2=rBewareRect2;
1359 
1360         for (sal_uInt16 i=0; i<nPntAnz; i++) {
1361             Point aPt1b(aXP1[i]);
1362             FASTBOOL b1=aPt1b.X()>aBewareRect1.Left() && aPt1b.X()<aBewareRect1.Right() &&
1363                         aPt1b.Y()>aBewareRect1.Top() && aPt1b.Y()<aBewareRect1.Bottom();
1364             FASTBOOL b2=aPt1b.X()>aBewareRect2.Left() && aPt1b.X()<aBewareRect2.Right() &&
1365                         aPt1b.Y()>aBewareRect2.Top() && aPt1b.Y()<aBewareRect2.Bottom();
1366             sal_uInt16 nInt0=nIntersections;
1367             if (i==0 || i==nPntAnz-1) {
1368                 if (b1 && b2) nIntersections++;
1369             } else {
1370                 if (b1) nIntersections++;
1371                 if (b2) nIntersections++;
1372             }
1373             // und nun noch auf Ueberschneidungen checken
1374             if (i>0 && nInt0==nIntersections) {
1375                 if (aPt0.Y()==aPt1b.Y()) { // Horizontale Linie
1376                     if (aPt0.Y()>aBewareRect1.Top() && aPt0.Y()<aBewareRect1.Bottom() &&
1377                         ((aPt0.X()<=aBewareRect1.Left() && aPt1b.X()>=aBewareRect1.Right()) ||
1378                          (aPt1b.X()<=aBewareRect1.Left() && aPt0.X()>=aBewareRect1.Right()))) nIntersections++;
1379                     if (aPt0.Y()>aBewareRect2.Top() && aPt0.Y()<aBewareRect2.Bottom() &&
1380                         ((aPt0.X()<=aBewareRect2.Left() && aPt1b.X()>=aBewareRect2.Right()) ||
1381                          (aPt1b.X()<=aBewareRect2.Left() && aPt0.X()>=aBewareRect2.Right()))) nIntersections++;
1382                 } else { // Vertikale Linie
1383                     if (aPt0.X()>aBewareRect1.Left() && aPt0.X()<aBewareRect1.Right() &&
1384                         ((aPt0.Y()<=aBewareRect1.Top() && aPt1b.Y()>=aBewareRect1.Bottom()) ||
1385                          (aPt1b.Y()<=aBewareRect1.Top() && aPt0.Y()>=aBewareRect1.Bottom()))) nIntersections++;
1386                     if (aPt0.X()>aBewareRect2.Left() && aPt0.X()<aBewareRect2.Right() &&
1387                         ((aPt0.Y()<=aBewareRect2.Top() && aPt1b.Y()>=aBewareRect2.Bottom()) ||
1388                          (aPt1b.Y()<=aBewareRect2.Top() && aPt0.Y()>=aBewareRect2.Bottom()))) nIntersections++;
1389                 }
1390             }
1391             aPt0=aPt1b;
1392         }
1393         if (nPntAnz<=1) nIntersections++;
1394         nQual0=nQual;
1395         nQual+=(sal_uIntPtr)nIntersections*0x10000000;
1396         if (nQual<nQual0 || nIntersections>15) bOverflow=sal_True;
1397 
1398         if (bOverflow || nQual==0xFFFFFFFF) nQual=0xFFFFFFFE;
1399         *pnQuality=nQual;
1400     }
1401     if (bInfo) { // nun die Linienversaetze auf aXP1 anwenden
1402         if (pInfo->nMiddleLine!=0xFFFF) {
1403             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(MIDDLELINE,aXP1);
1404             if (pInfo->ImpIsHorzLine(MIDDLELINE,aXP1)) {
1405                 aXP1[nIdx].Y()+=pInfo->aMiddleLine.Y();
1406                 aXP1[nIdx+1].Y()+=pInfo->aMiddleLine.Y();
1407             } else {
1408                 aXP1[nIdx].X()+=pInfo->aMiddleLine.X();
1409                 aXP1[nIdx+1].X()+=pInfo->aMiddleLine.X();
1410             }
1411         }
1412         if (pInfo->nObj1Lines>=2) {
1413             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ1LINE2,aXP1);
1414             if (pInfo->ImpIsHorzLine(OBJ1LINE2,aXP1)) {
1415                 aXP1[nIdx].Y()+=pInfo->aObj1Line2.Y();
1416                 aXP1[nIdx+1].Y()+=pInfo->aObj1Line2.Y();
1417             } else {
1418                 aXP1[nIdx].X()+=pInfo->aObj1Line2.X();
1419                 aXP1[nIdx+1].X()+=pInfo->aObj1Line2.X();
1420             }
1421         }
1422         if (pInfo->nObj1Lines>=3) {
1423             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ1LINE3,aXP1);
1424             if (pInfo->ImpIsHorzLine(OBJ1LINE3,aXP1)) {
1425                 aXP1[nIdx].Y()+=pInfo->aObj1Line3.Y();
1426                 aXP1[nIdx+1].Y()+=pInfo->aObj1Line3.Y();
1427             } else {
1428                 aXP1[nIdx].X()+=pInfo->aObj1Line3.X();
1429                 aXP1[nIdx+1].X()+=pInfo->aObj1Line3.X();
1430             }
1431         }
1432         if (pInfo->nObj2Lines>=2) {
1433             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ2LINE2,aXP1);
1434             if (pInfo->ImpIsHorzLine(OBJ2LINE2,aXP1)) {
1435                 aXP1[nIdx].Y()+=pInfo->aObj2Line2.Y();
1436                 aXP1[nIdx+1].Y()+=pInfo->aObj2Line2.Y();
1437             } else {
1438                 aXP1[nIdx].X()+=pInfo->aObj2Line2.X();
1439                 aXP1[nIdx+1].X()+=pInfo->aObj2Line2.X();
1440             }
1441         }
1442         if (pInfo->nObj2Lines>=3) {
1443             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ2LINE3,aXP1);
1444             if (pInfo->ImpIsHorzLine(OBJ2LINE3,aXP1)) {
1445                 aXP1[nIdx].Y()+=pInfo->aObj2Line3.Y();
1446                 aXP1[nIdx+1].Y()+=pInfo->aObj2Line3.Y();
1447             } else {
1448                 aXP1[nIdx].X()+=pInfo->aObj2Line3.X();
1449                 aXP1[nIdx+1].X()+=pInfo->aObj2Line3.X();
1450             }
1451         }
1452     }
1453     // Nun mache ich ggf. aus dem Verbinder eine Bezierkurve
1454     if (eKind==SDREDGE_BEZIER && nPntAnz>2) {
1455         Point* pPt1=&aXP1[0];
1456         Point* pPt2=&aXP1[1];
1457         Point* pPt3=&aXP1[nPntAnz-2];
1458         Point* pPt4=&aXP1[nPntAnz-1];
1459         long dx1=pPt2->X()-pPt1->X();
1460         long dy1=pPt2->Y()-pPt1->Y();
1461         long dx2=pPt3->X()-pPt4->X();
1462         long dy2=pPt3->Y()-pPt4->Y();
1463         if (cForm=='L') { // nPntAnz==3
1464             aXP1.SetFlags(1,XPOLY_CONTROL);
1465             Point aPt3(*pPt2);
1466             aXP1.Insert(2,aPt3,XPOLY_CONTROL);
1467             nPntAnz=aXP1.GetPointCount();
1468             pPt1=&aXP1[0];
1469             pPt2=&aXP1[1];
1470             pPt3=&aXP1[nPntAnz-2];
1471             pPt4=&aXP1[nPntAnz-1];
1472             pPt2->X()-=dx1/3;
1473             pPt2->Y()-=dy1/3;
1474             pPt3->X()-=dx2/3;
1475             pPt3->Y()-=dy2/3;
1476         } else if (nPntAnz>=4 && nPntAnz<=6) { // Z oder U oder ...
1477             // fuer Alle Anderen werden die Endpunkte der Ausgangslinien
1478             // erstmal zu Kontrollpunkten. Bei nPntAnz>4 ist also noch
1479             // Nacharbeit erforderlich!
1480             aXP1.SetFlags(1,XPOLY_CONTROL);
1481             aXP1.SetFlags(nPntAnz-2,XPOLY_CONTROL);
1482             // Distanz x1.5
1483             pPt2->X()+=dx1/2;
1484             pPt2->Y()+=dy1/2;
1485             pPt3->X()+=dx2/2;
1486             pPt3->Y()+=dy2/2;
1487             if (nPntAnz==5) {
1488                 // Vor und hinter dem Mittelpunkt jeweils
1489                 // noch einen Kontrollpunkt einfuegen
1490                 Point aCenter(aXP1[2]);
1491                 long dx1b=aCenter.X()-aXP1[1].X();
1492                 long dy1b=aCenter.Y()-aXP1[1].Y();
1493                 long dx2b=aCenter.X()-aXP1[3].X();
1494                 long dy2b=aCenter.Y()-aXP1[3].Y();
1495                 aXP1.Insert(2,aCenter,XPOLY_CONTROL);
1496                 aXP1.SetFlags(3,XPOLY_SYMMTR);
1497                 aXP1.Insert(4,aCenter,XPOLY_CONTROL);
1498                 aXP1[2].X()-=dx1b/2;
1499                 aXP1[2].Y()-=dy1b/2;
1500                 aXP1[3].X()-=(dx1b+dx2b)/4;
1501                 aXP1[3].Y()-=(dy1b+dy2b)/4;
1502                 aXP1[4].X()-=dx2b/2;
1503                 aXP1[4].Y()-=dy2b/2;
1504             }
1505             if (nPntAnz==6) {
1506                 Point aPt1b(aXP1[2]);
1507                 Point aPt2b(aXP1[3]);
1508                 aXP1.Insert(2,aPt1b,XPOLY_CONTROL);
1509                 aXP1.Insert(5,aPt2b,XPOLY_CONTROL);
1510                 long dx=aPt1b.X()-aPt2b.X();
1511                 long dy=aPt1b.Y()-aPt2b.Y();
1512                 aXP1[3].X()-=dx/2;
1513                 aXP1[3].Y()-=dy/2;
1514                 aXP1.SetFlags(3,XPOLY_SYMMTR);
1515                 //aXP1[4].X()+=dx/2;
1516                 //aXP1[4].Y()+=dy/2;
1517                 aXP1.Remove(4,1); // weil identisch mit aXP1[3]
1518             }
1519         }
1520     }
1521     return aXP1;
1522 }
1523 
1524 /*
1525 Nach einer einfachen Rechnung koennte es max. 64 unterschiedliche Verlaeufe mit
1526 5 Linien, 32 mit 4 Linien, 16 mit 3, 8 mit 2 Linien und 4 mit 1 Linie geben=124.
1527 Normalisiert auf 1. Austrittswinkel nach rechts bleiben dann noch 31.
1528 Dann noch eine vertikale Spiegelung wegnormalisiert bleiben noch 16
1529 characteristische Verlaufszuege mit 1-5 Linien:
1530 Mit 1 Linie (Typ 'I'):  --
1531 Mit 2 Linien (Typ 'L'): -�
1532 Mit 3 Linien (Typ 'U'):  -�  (Typ 'Z'):  �-
1533                          -�             -�
1534 Mit 4 Linien: 1 ist nicht plausibel, 3 ist=2 (90deg Drehung). Verbleibt 2,4
1535      �-�  ڿ  ��  ڿ                               ڿ  �-�
1536     -�   -�   -�  -�                              -�    -�
1537 Mit 5 Linien: nicht plausibel sind 1,2,4,5. 7 ist identisch mit 3 (Richtungsumkehr)
1538               Bleibt also 3,6 und 8.              '4'  'S'  'C'
1539        �    �             -�   �-  �-�                  �-
1540      �-�  �-�  �-�   �-�   ��  �� -� � �-�         �-�  ��  �-�
1541     -�   -�   -� �  -� �-  -�  -�  --� � �        -� �  -�  � �
1542 Insgesamt sind also 9 Grundtypen zu unterscheiden die den 400 Konstellationen
1543 aus Objektposition und Austrittswinkeln zuzuordnen sind.
1544 4 der 9 Grundtypen haben eine 'Mittellinie'. Die Anzahl der zu Objektabstaende
1545 je Objekt variiert von 0-3:
1546      Mi   O1   O2   Anmerkung
1547 'I':  n   0    0
1548 'L':  n   0    0
1549 'U':  n  0-1  0-1
1550 'Z':  j   0    0
1551 4.1:  j   0    1    = U+1 bzw. 1+U
1552 4.2:  n  0-2  0-2   = Z+1
1553 '4':  j   0    2    = Z+2
1554 'S':  j   1    1    = 1+Z+1
1555 'C':  n  0-3  0-3   = 1+U+1
1556 */
1557 
1558 void __EXPORT SdrEdgeObj::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
1559 {
1560     SfxSimpleHint* pSimple=PTR_CAST(SfxSimpleHint,&rHint);
1561     sal_uIntPtr nId=pSimple==0 ? 0 : pSimple->GetId();
1562     FASTBOOL bDataChg=nId==SFX_HINT_DATACHANGED;
1563     FASTBOOL bDying=nId==SFX_HINT_DYING;
1564     FASTBOOL bObj1=aCon1.pObj!=NULL && aCon1.pObj->GetBroadcaster()==&rBC;
1565     FASTBOOL bObj2=aCon2.pObj!=NULL && aCon2.pObj->GetBroadcaster()==&rBC;
1566     if (bDying && (bObj1 || bObj2)) {
1567         // #35605# Dying vorher abfangen, damit AttrObj nicht
1568         // wg. vermeintlicher Vorlagenaenderung rumbroadcastet
1569         if (bObj1) aCon1.pObj=NULL;
1570         if (bObj2) aCon2.pObj=NULL;
1571         return; // Und mehr braucht hier nicht getan werden.
1572     }
1573     if ( bObj1 || bObj2 )
1574     {
1575         bEdgeTrackUserDefined = sal_False;
1576     }
1577     SdrTextObj::Notify(rBC,rHint);
1578     if (nNotifyingCount==0) { // Hier nun auch ein VerriegelungsFlag
1579         ((SdrEdgeObj*)this)->nNotifyingCount++;
1580         SdrHint* pSdrHint=PTR_CAST(SdrHint,&rHint);
1581         if (bDataChg) { // StyleSheet geaendert
1582             ImpSetAttrToEdgeInfo(); // Werte bei Vorlagenaenderung vom Pool nach aEdgeInfo kopieren
1583         }
1584         if (bDataChg                                ||
1585             (bObj1 && aCon1.pObj->GetPage()==pPage) ||
1586             (bObj2 && aCon2.pObj->GetPage()==pPage) ||
1587             (pSdrHint && pSdrHint->GetKind()==HINT_OBJREMOVED))
1588         {
1589             // Broadcasting nur, wenn auf der selben Page
1590             Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetCurrentBoundRect();
1591             // #110094#-14 if (!bEdgeTrackDirty) SendRepaintBroadcast();
1592             ImpDirtyEdgeTrack();
1593 
1594             // only redraw here, no objectchange
1595             ActionChanged();
1596             // BroadcastObjectChange();
1597 
1598             SendUserCall(SDRUSERCALL_RESIZE,aBoundRect0);
1599         }
1600         ((SdrEdgeObj*)this)->nNotifyingCount--;
1601     }
1602 }
1603 
1604 /** updates edges that are connected to the edges of this object
1605     as if the connected objects send a repaint broadcast
1606     #103122#
1607 */
1608 void SdrEdgeObj::Reformat()
1609 {
1610     if( NULL != aCon1.pObj )
1611     {
1612         SfxSimpleHint aHint( SFX_HINT_DATACHANGED );
1613         Notify( *const_cast<SfxBroadcaster*>(aCon1.pObj->GetBroadcaster()), aHint );
1614     }
1615 
1616     if( NULL != aCon2.pObj )
1617     {
1618         SfxSimpleHint aHint( SFX_HINT_DATACHANGED );
1619         Notify( *const_cast<SfxBroadcaster*>(aCon2.pObj->GetBroadcaster()), aHint );
1620     }
1621 }
1622 
1623 void SdrEdgeObj::operator=(const SdrObject& rObj)
1624 {
1625     SdrTextObj::operator=(rObj);
1626     *pEdgeTrack    =*((SdrEdgeObj&)rObj).pEdgeTrack;
1627     bEdgeTrackDirty=((SdrEdgeObj&)rObj).bEdgeTrackDirty;
1628     aCon1          =((SdrEdgeObj&)rObj).aCon1;
1629     aCon2          =((SdrEdgeObj&)rObj).aCon2;
1630     aCon1.pObj=NULL;
1631     aCon2.pObj=NULL;
1632     aEdgeInfo=((SdrEdgeObj&)rObj).aEdgeInfo;
1633 }
1634 
1635 void SdrEdgeObj::TakeObjNameSingul(XubString& rName) const
1636 {
1637     rName=ImpGetResStr(STR_ObjNameSingulEDGE);
1638 
1639     String aName( GetName() );
1640     if(aName.Len())
1641     {
1642         rName += sal_Unicode(' ');
1643         rName += sal_Unicode('\'');
1644         rName += aName;
1645         rName += sal_Unicode('\'');
1646     }
1647 }
1648 
1649 void SdrEdgeObj::TakeObjNamePlural(XubString& rName) const
1650 {
1651     rName=ImpGetResStr(STR_ObjNamePluralEDGE);
1652 }
1653 
1654 basegfx::B2DPolyPolygon SdrEdgeObj::TakeXorPoly() const
1655 {
1656     basegfx::B2DPolyPolygon aPolyPolygon;
1657 
1658     if (bEdgeTrackDirty)
1659     {
1660         ((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
1661     }
1662 
1663     if(pEdgeTrack)
1664     {
1665         aPolyPolygon.append(pEdgeTrack->getB2DPolygon());
1666     }
1667 
1668     return aPolyPolygon;
1669 }
1670 
1671 void SdrEdgeObj::SetEdgeTrackPath( const basegfx::B2DPolyPolygon& rPoly )
1672 {
1673     if ( !rPoly.count() )
1674     {
1675         bEdgeTrackDirty = sal_True;
1676         bEdgeTrackUserDefined = sal_False;
1677     }
1678     else
1679     {
1680         *pEdgeTrack = XPolygon( rPoly.getB2DPolygon( 0 ) );
1681         bEdgeTrackDirty = sal_False;
1682         bEdgeTrackUserDefined = sal_True;
1683 
1684         // #i110629# also set aRect and maSnapeRect dependent from pEdgeTrack
1685         const Rectangle aPolygonBounds(pEdgeTrack->GetBoundRect());
1686         aRect = aPolygonBounds;
1687         maSnapRect = aPolygonBounds;
1688     }
1689 }
1690 
1691 basegfx::B2DPolyPolygon SdrEdgeObj::GetEdgeTrackPath() const
1692 {
1693     basegfx::B2DPolyPolygon aPolyPolygon;
1694 
1695     if (bEdgeTrackDirty)
1696         ((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
1697 
1698     aPolyPolygon.append( pEdgeTrack->getB2DPolygon() );
1699 
1700     return aPolyPolygon;
1701 }
1702 
1703 sal_uInt32 SdrEdgeObj::GetHdlCount() const
1704 {
1705     SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
1706     sal_uInt32 nHdlAnz(0L);
1707     sal_uInt32 nPntAnz(pEdgeTrack->GetPointCount());
1708 
1709     if(nPntAnz)
1710     {
1711         nHdlAnz = 2L;
1712 
1713         if ((eKind==SDREDGE_ORTHOLINES || eKind==SDREDGE_BEZIER) && nPntAnz >= 4L)
1714         {
1715             sal_uInt32 nO1(aEdgeInfo.nObj1Lines > 0L ? aEdgeInfo.nObj1Lines - 1L : 0L);
1716             sal_uInt32 nO2(aEdgeInfo.nObj2Lines > 0L ? aEdgeInfo.nObj2Lines - 1L : 0L);
1717             sal_uInt32 nM(aEdgeInfo.nMiddleLine != 0xFFFF ? 1L : 0L);
1718             nHdlAnz += nO1 + nO2 + nM;
1719         }
1720         else if (eKind==SDREDGE_THREELINES && nPntAnz == 4L)
1721         {
1722             if(GetConnectedNode(sal_True))
1723                 nHdlAnz++;
1724 
1725             if(GetConnectedNode(sal_False))
1726                 nHdlAnz++;
1727         }
1728     }
1729 
1730     return nHdlAnz;
1731 }
1732 
1733 SdrHdl* SdrEdgeObj::GetHdl(sal_uInt32 nHdlNum) const
1734 {
1735     SdrHdl* pHdl=NULL;
1736     sal_uInt32 nPntAnz(pEdgeTrack->GetPointCount());
1737     if (nPntAnz!=0) {
1738         if (nHdlNum==0) {
1739             pHdl=new ImpEdgeHdl((*pEdgeTrack)[0],HDL_POLY);
1740             if (aCon1.pObj!=NULL && aCon1.bBestVertex) pHdl->Set1PixMore(sal_True);
1741         } else if (nHdlNum==1) {
1742             pHdl=new ImpEdgeHdl((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],HDL_POLY);
1743             if (aCon2.pObj!=NULL && aCon2.bBestVertex) pHdl->Set1PixMore(sal_True);
1744         } else {
1745             SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
1746             if (eKind==SDREDGE_ORTHOLINES || eKind==SDREDGE_BEZIER) {
1747                 sal_uInt32 nO1(aEdgeInfo.nObj1Lines > 0L ? aEdgeInfo.nObj1Lines - 1L : 0L);
1748                 sal_uInt32 nO2(aEdgeInfo.nObj2Lines > 0L ? aEdgeInfo.nObj2Lines - 1L : 0L);
1749                 sal_uInt32 nM(aEdgeInfo.nMiddleLine != 0xFFFF ? 1L : 0L);
1750                 sal_uInt32 nNum(nHdlNum - 2L);
1751                 sal_Int32 nPt(0L);
1752                 pHdl=new ImpEdgeHdl(Point(),HDL_POLY);
1753                 if (nNum<nO1) {
1754                     nPt=nNum+1L;
1755                     if (nNum==0) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE2);
1756                     if (nNum==1) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE3);
1757                 } else {
1758                     nNum=nNum-nO1;
1759                     if (nNum<nO2) {
1760                         nPt=nPntAnz-3-nNum;
1761                         if (nNum==0) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE2);
1762                         if (nNum==1) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE3);
1763                     } else {
1764                         nNum=nNum-nO2;
1765                         if (nNum<nM) {
1766                             nPt=aEdgeInfo.nMiddleLine;
1767                             ((ImpEdgeHdl*)pHdl)->SetLineCode(MIDDLELINE);
1768                         }
1769                     }
1770                 }
1771                 if (nPt>0) {
1772                     Point aPos((*pEdgeTrack)[(sal_uInt16)nPt]);
1773                     aPos+=(*pEdgeTrack)[(sal_uInt16)nPt+1];
1774                     aPos.X()/=2;
1775                     aPos.Y()/=2;
1776                     pHdl->SetPos(aPos);
1777                 } else {
1778                     delete pHdl;
1779                     pHdl=NULL;
1780                 }
1781             } else if (eKind==SDREDGE_THREELINES) {
1782                 sal_uInt32 nNum(nHdlNum);
1783                 if (GetConnectedNode(sal_True)==NULL) nNum++;
1784                 Point aPos((*pEdgeTrack)[(sal_uInt16)nNum-1]);
1785                 pHdl=new ImpEdgeHdl(aPos,HDL_POLY);
1786                 if (nNum==2) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE2);
1787                 if (nNum==3) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE2);
1788             }
1789         }
1790         if (pHdl!=NULL) {
1791             pHdl->SetPointNum(nHdlNum);
1792         }
1793     }
1794     return pHdl;
1795 }
1796 
1797 ////////////////////////////////////////////////////////////////////////////////////////////////////
1798 
1799 bool SdrEdgeObj::hasSpecialDrag() const
1800 {
1801     return true;
1802 }
1803 
1804 SdrObject* SdrEdgeObj::getFullDragClone() const
1805 {
1806     // use Clone operator
1807     SdrEdgeObj* pRetval = (SdrEdgeObj*)Clone();
1808 
1809     // copy connections for clone, SdrEdgeObj::operator= does not do this
1810     pRetval->ConnectToNode(true, GetConnectedNode(true));
1811     pRetval->ConnectToNode(false, GetConnectedNode(false));
1812 
1813     return pRetval;
1814 }
1815 
1816 bool SdrEdgeObj::beginSpecialDrag(SdrDragStat& rDrag) const
1817 {
1818     if(!rDrag.GetHdl())
1819         return false;
1820 
1821     rDrag.SetEndDragChangesAttributes(true);
1822 
1823     if(rDrag.GetHdl()->GetPointNum() < 2)
1824     {
1825         rDrag.SetNoSnap(true);
1826     }
1827 
1828     return true;
1829 }
1830 
1831 bool SdrEdgeObj::applySpecialDrag(SdrDragStat& rDragStat)
1832 {
1833     SdrEdgeObj* pOriginalEdge = dynamic_cast< SdrEdgeObj* >(rDragStat.GetHdl()->GetObj());
1834     const bool bOriginalEdgeModified(pOriginalEdge == this);
1835 
1836     if(!bOriginalEdgeModified && pOriginalEdge)
1837     {
1838         // copy connections when clone is modified. This is needed because
1839         // as preparation to this modification the data from the original object
1840         // was copied to the clone using the operator=. As can be seen there,
1841         // that operator does not copy the connections (for good reason)
1842         ConnectToNode(true, pOriginalEdge->GetConnection(true).GetObject());
1843         ConnectToNode(false, pOriginalEdge->GetConnection(false).GetObject());
1844     }
1845 
1846     if(rDragStat.GetHdl()->GetPointNum() < 2)
1847     {
1848         // start or end point connector drag
1849         const bool bDragA(0 == rDragStat.GetHdl()->GetPointNum());
1850         const Point aPointNow(rDragStat.GetNow());
1851 
1852         if(rDragStat.GetPageView())
1853         {
1854             SdrObjConnection* pDraggedOne(bDragA ? &aCon1 : &aCon2);
1855 
1856             // clear connection
1857             DisconnectFromNode(bDragA);
1858 
1859             // look for new connection
1860             ImpFindConnector(aPointNow, *rDragStat.GetPageView(), *pDraggedOne, pOriginalEdge);
1861 
1862             if(pDraggedOne->pObj)
1863             {
1864                 // if found, officially connect to it; ImpFindConnector only
1865                 // sets pObj hard
1866                 SdrObject* pNewConnection = pDraggedOne->pObj;
1867                 pDraggedOne->pObj = 0;
1868                 ConnectToNode(bDragA, pNewConnection);
1869             }
1870 
1871             if(rDragStat.GetView() && !bOriginalEdgeModified)
1872             {
1873                 // show IA helper, but only do this during IA, so not when the original
1874                 // Edge gets modified in the last call
1875                 rDragStat.GetView()->SetConnectMarker(*pDraggedOne, *rDragStat.GetPageView());
1876             }
1877         }
1878 
1879         if(pEdgeTrack)
1880         {
1881             // change pEdgeTrack to modified position
1882             if(bDragA)
1883             {
1884                 (*pEdgeTrack)[0] = aPointNow;
1885             }
1886             else
1887             {
1888                 (*pEdgeTrack)[sal_uInt16(pEdgeTrack->GetPointCount()-1)] = aPointNow;
1889             }
1890         }
1891 
1892         // reset edge info's offsets, this is a end point drag
1893         aEdgeInfo.aObj1Line2 = Point();
1894         aEdgeInfo.aObj1Line3 = Point();
1895         aEdgeInfo.aObj2Line2 = Point();
1896         aEdgeInfo.aObj2Line3 = Point();
1897         aEdgeInfo.aMiddleLine = Point();
1898     }
1899     else
1900     {
1901         // control point connector drag
1902         const ImpEdgeHdl* pEdgeHdl = (ImpEdgeHdl*)rDragStat.GetHdl();
1903         const SdrEdgeLineCode eLineCode = pEdgeHdl->GetLineCode();
1904         const Point aDist(rDragStat.GetNow() - rDragStat.GetStart());
1905         sal_Int32 nDist(pEdgeHdl->IsHorzDrag() ? aDist.X() : aDist.Y());
1906 
1907         nDist += aEdgeInfo.ImpGetLineVersatz(eLineCode, *pEdgeTrack);
1908         aEdgeInfo.ImpSetLineVersatz(eLineCode, *pEdgeTrack, nDist);
1909     }
1910 
1911     // force recalc EdgeTrack
1912     *pEdgeTrack = ImpCalcEdgeTrack(*pEdgeTrack, aCon1, aCon2, &aEdgeInfo);
1913     bEdgeTrackDirty=sal_False;
1914 
1915     // save EdgeInfos and mark object as user modified
1916     ImpSetEdgeInfoToAttr();
1917     bEdgeTrackUserDefined = false;
1918     SetRectsDirty();
1919     //SetChanged();
1920 
1921     if(bOriginalEdgeModified && rDragStat.GetView())
1922     {
1923         // hide connect marker helper again when original gets changed.
1924         // This happens at the end of the interaction
1925         rDragStat.GetView()->HideConnectMarker();
1926     }
1927 
1928     return true;
1929 }
1930 
1931 String SdrEdgeObj::getSpecialDragComment(const SdrDragStat& rDrag) const
1932 {
1933     const bool bCreateComment(rDrag.GetView() && this == rDrag.GetView()->GetCreateObj());
1934 
1935     if(bCreateComment)
1936     {
1937         return String();
1938     }
1939     else
1940     {
1941         XubString aStr;
1942         ImpTakeDescriptionStr(STR_DragEdgeTail, aStr);
1943 
1944         return aStr;
1945     }
1946 }
1947 
1948 ////////////////////////////////////////////////////////////////////////////////////////////////////
1949 
1950 basegfx::B2DPolygon SdrEdgeObj::ImplAddConnectorOverlay(SdrDragMethod& rDragMethod, bool bTail1, bool bTail2, bool bDetail) const
1951 {
1952     basegfx::B2DPolygon aResult;
1953 
1954     if(bDetail)
1955     {
1956         SdrObjConnection aMyCon1(aCon1);
1957         SdrObjConnection aMyCon2(aCon2);
1958 
1959         if (bTail1)
1960         {
1961             const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aMyCon1.aObjOfs.X(), aMyCon1.aObjOfs.Y()));
1962             aMyCon1.aObjOfs.X() = basegfx::fround(aTemp.getX());
1963             aMyCon1.aObjOfs.Y() = basegfx::fround(aTemp.getY());
1964         }
1965 
1966         if (bTail2)
1967         {
1968             const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aMyCon2.aObjOfs.X(), aMyCon2.aObjOfs.Y()));
1969             aMyCon2.aObjOfs.X() = basegfx::fround(aTemp.getX());
1970             aMyCon2.aObjOfs.Y() = basegfx::fround(aTemp.getY());
1971         }
1972 
1973         SdrEdgeInfoRec aInfo(aEdgeInfo);
1974         XPolygon aXP(ImpCalcEdgeTrack(*pEdgeTrack, aMyCon1, aMyCon2, &aInfo));
1975 
1976         if(aXP.GetPointCount())
1977         {
1978             aResult = aXP.getB2DPolygon();
1979         }
1980     }
1981     else
1982     {
1983         Point aPt1((*pEdgeTrack)[0]);
1984         Point aPt2((*pEdgeTrack)[sal_uInt16(pEdgeTrack->GetPointCount() - 1)]);
1985 
1986         if (aCon1.pObj && (aCon1.bBestConn || aCon1.bBestVertex))
1987             aPt1 = aCon1.pObj->GetSnapRect().Center();
1988 
1989         if (aCon2.pObj && (aCon2.bBestConn || aCon2.bBestVertex))
1990             aPt2 = aCon2.pObj->GetSnapRect().Center();
1991 
1992         if (bTail1)
1993         {
1994             const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aPt1.X(), aPt1.Y()));
1995             aPt1.X() = basegfx::fround(aTemp.getX());
1996             aPt1.Y() = basegfx::fround(aTemp.getY());
1997         }
1998 
1999         if (bTail2)
2000         {
2001             const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aPt2.X(), aPt2.Y()));
2002             aPt2.X() = basegfx::fround(aTemp.getX());
2003             aPt2.Y() = basegfx::fround(aTemp.getY());
2004         }
2005 
2006         aResult.append(basegfx::B2DPoint(aPt1.X(), aPt1.Y()));
2007         aResult.append(basegfx::B2DPoint(aPt2.X(), aPt2.Y()));
2008     }
2009 
2010     return aResult;
2011 }
2012 
2013 FASTBOOL SdrEdgeObj::BegCreate(SdrDragStat& rDragStat)
2014 {
2015     rDragStat.SetNoSnap(sal_True);
2016     pEdgeTrack->SetPointCount(2);
2017     (*pEdgeTrack)[0]=rDragStat.GetStart();
2018     (*pEdgeTrack)[1]=rDragStat.GetNow();
2019     if (rDragStat.GetPageView()!=NULL) {
2020         ImpFindConnector(rDragStat.GetStart(),*rDragStat.GetPageView(),aCon1,this);
2021         ConnectToNode(sal_True,aCon1.pObj);
2022     }
2023     *pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
2024     return sal_True;
2025 }
2026 
2027 FASTBOOL SdrEdgeObj::MovCreate(SdrDragStat& rDragStat)
2028 {
2029     sal_uInt16 nMax=pEdgeTrack->GetPointCount();
2030     (*pEdgeTrack)[nMax-1]=rDragStat.GetNow();
2031     if (rDragStat.GetPageView()!=NULL) {
2032         ImpFindConnector(rDragStat.GetNow(),*rDragStat.GetPageView(),aCon2,this);
2033         rDragStat.GetView()->SetConnectMarker(aCon2,*rDragStat.GetPageView());
2034     }
2035     SetBoundRectDirty();
2036     bSnapRectDirty=sal_True;
2037     ConnectToNode(sal_False,aCon2.pObj);
2038     *pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
2039     bEdgeTrackDirty=sal_False;
2040     return sal_True;
2041 }
2042 
2043 FASTBOOL SdrEdgeObj::EndCreate(SdrDragStat& rDragStat, SdrCreateCmd eCmd)
2044 {
2045     FASTBOOL bOk=(eCmd==SDRCREATE_FORCEEND || rDragStat.GetPointAnz()>=2);
2046     if (bOk) {
2047         ConnectToNode(sal_True,aCon1.pObj);
2048         ConnectToNode(sal_False,aCon2.pObj);
2049         if (rDragStat.GetView()!=NULL) {
2050             rDragStat.GetView()->HideConnectMarker();
2051         }
2052         ImpSetEdgeInfoToAttr(); // Die Werte aus aEdgeInfo in den Pool kopieren
2053     }
2054     SetRectsDirty();
2055     return bOk;
2056 }
2057 
2058 FASTBOOL SdrEdgeObj::BckCreate(SdrDragStat& rDragStat)
2059 {
2060     if (rDragStat.GetView()!=NULL) {
2061         rDragStat.GetView()->HideConnectMarker();
2062     }
2063     return sal_False;
2064 }
2065 
2066 void SdrEdgeObj::BrkCreate(SdrDragStat& rDragStat)
2067 {
2068     if (rDragStat.GetView()!=NULL) {
2069         rDragStat.GetView()->HideConnectMarker();
2070     }
2071 }
2072 
2073 basegfx::B2DPolyPolygon SdrEdgeObj::TakeCreatePoly(const SdrDragStat& /*rStatDrag*/) const
2074 {
2075     basegfx::B2DPolyPolygon aRetval;
2076     aRetval.append(pEdgeTrack->getB2DPolygon());
2077     return aRetval;
2078 }
2079 
2080 Pointer SdrEdgeObj::GetCreatePointer() const
2081 {
2082     return Pointer(POINTER_DRAW_CONNECT);
2083 }
2084 
2085 FASTBOOL SdrEdgeObj::ImpFindConnector(const Point& rPt, const SdrPageView& rPV, SdrObjConnection& rCon, const SdrEdgeObj* pThis, OutputDevice* pOut)
2086 {
2087     rCon.ResetVars();
2088     if (pOut==NULL) pOut=rPV.GetView().GetFirstOutputDevice(); // GetWin(0);
2089     if (pOut==NULL) return sal_False;
2090     SdrObjList* pOL=rPV.GetObjList();
2091     const SetOfByte& rVisLayer=rPV.GetVisibleLayers();
2092     // Sensitiver Bereich der Konnektoren ist doppelt so gross wie die Handles:
2093     sal_uInt16 nMarkHdSiz=rPV.GetView().GetMarkHdlSizePixel();
2094     Size aHalfConSiz(nMarkHdSiz,nMarkHdSiz);
2095     aHalfConSiz=pOut->PixelToLogic(aHalfConSiz);
2096     Size aHalfCenterSiz(2*aHalfConSiz.Width(),2*aHalfConSiz.Height());
2097     Rectangle aMouseRect(rPt,rPt);
2098     aMouseRect.Left()  -=aHalfConSiz.Width();
2099     aMouseRect.Top()   -=aHalfConSiz.Height();
2100     aMouseRect.Right() +=aHalfConSiz.Width();
2101     aMouseRect.Bottom()+=aHalfConSiz.Height();
2102     sal_uInt16 nBoundHitTol=(sal_uInt16)aHalfConSiz.Width()/2; if (nBoundHitTol==0) nBoundHitTol=1;
2103     sal_uIntPtr no=pOL->GetObjCount();
2104     FASTBOOL bFnd=sal_False;
2105     SdrObjConnection aTestCon;
2106     SdrObjConnection aBestCon;
2107     FASTBOOL bTestBoundHit=sal_False;
2108     //int bBestBoundHit=sal_False;
2109 
2110     while (no>0 && !bFnd) {
2111         // Problem: Gruppenobjekt mit verschiedenen Layern liefert LayerID 0 !!!!
2112         no--;
2113         SdrObject* pObj=pOL->GetObj(no);
2114         if (rVisLayer.IsSet(pObj->GetLayer()) && pObj->IsVisible() &&      // only visible objects
2115             (pThis==NULL || pObj!=(SdrObject*)pThis) && // nicht an mich selbst connecten
2116             pObj->IsNode())
2117         {
2118             Rectangle aObjBound(pObj->GetCurrentBoundRect());
2119             if (aObjBound.IsOver(aMouseRect)) {
2120                 aTestCon.ResetVars();
2121                 bTestBoundHit=sal_False;
2122                 FASTBOOL bEdge=HAS_BASE(SdrEdgeObj,pObj); // kein BestCon fuer Edge
2123                 // Die Userdefined Konnektoren haben absolute Prioritaet.
2124                 // Danach kommt Vertex, Corner und Mitte(Best) gleich priorisiert.
2125                 // Zum Schluss kommt noch ein HitTest aufs Obj.
2126                 const SdrGluePointList* pGPL=pObj->GetGluePointList();
2127                 sal_uInt16 nConAnz=pGPL==NULL ? 0 : pGPL->GetCount();
2128                 sal_uInt16 nGesAnz=nConAnz+9;
2129                 FASTBOOL bUserFnd=sal_False;
2130                 sal_uIntPtr nBestDist=0xFFFFFFFF;
2131                 for (sal_uInt16 i=0; i<nGesAnz; i++)
2132                 {
2133                     FASTBOOL bUser=i<nConAnz;
2134                     FASTBOOL bVertex=i>=nConAnz+0 && i<nConAnz+4;
2135                     FASTBOOL bCorner=i>=nConAnz+4 && i<nConAnz+8;
2136                     FASTBOOL bCenter=i==nConAnz+8;
2137                     FASTBOOL bOk=sal_False;
2138                     Point aConPos;
2139                     sal_uInt16 nConNum=i;
2140                     if (bUser) {
2141                         const SdrGluePoint& rGP=(*pGPL)[nConNum];
2142                         aConPos=rGP.GetAbsolutePos(*pObj);
2143                         nConNum=rGP.GetId();
2144                         bOk=sal_True;
2145                     } else if (bVertex && !bUserFnd) {
2146                         nConNum=nConNum-nConAnz;
2147                         if (rPV.GetView().IsAutoVertexConnectors()) {
2148                             SdrGluePoint aPt(pObj->GetVertexGluePoint(nConNum));
2149                             aConPos=aPt.GetAbsolutePos(*pObj);
2150                             bOk=sal_True;
2151                         } else i+=3;
2152                     } else if (bCorner && !bUserFnd) {
2153                         nConNum-=nConAnz+4;
2154                         if (rPV.GetView().IsAutoCornerConnectors()) {
2155                             SdrGluePoint aPt(pObj->GetCornerGluePoint(nConNum));
2156                             aConPos=aPt.GetAbsolutePos(*pObj);
2157                             bOk=sal_True;
2158                         } else i+=3;
2159                     }
2160                     else if (bCenter && !bUserFnd && !bEdge)
2161                     {
2162                         // #109007#
2163                         // Suppress default connect at object center
2164                         if(!pThis || !pThis->GetSuppressDefaultConnect())
2165                         {
2166                             // Edges nicht!
2167                             nConNum=0;
2168                             aConPos=aObjBound.Center();
2169                             bOk=sal_True;
2170                         }
2171                     }
2172                     if (bOk && aMouseRect.IsInside(aConPos)) {
2173                         if (bUser) bUserFnd=sal_True;
2174                         bFnd=sal_True;
2175                         sal_uIntPtr nDist=(sal_uIntPtr)Abs(aConPos.X()-rPt.X())+(sal_uIntPtr)Abs(aConPos.Y()-rPt.Y());
2176                         if (nDist<nBestDist) {
2177                             nBestDist=nDist;
2178                             aTestCon.pObj=pObj;
2179                             aTestCon.nConId=nConNum;
2180                             aTestCon.bAutoCorner=bCorner;
2181                             aTestCon.bAutoVertex=bVertex;
2182                             aTestCon.bBestConn=sal_False; // bCenter;
2183                             aTestCon.bBestVertex=bCenter;
2184                         }
2185                     }
2186                 }
2187                 // Falls kein Konnektor getroffen wird nochmal
2188                 // HitTest versucht fuer BestConnector (=bCenter)
2189                 if(!bFnd &&
2190                     !bEdge &&
2191                     SdrObjectPrimitiveHit(*pObj, rPt, nBoundHitTol, rPV, &rVisLayer, false))
2192                 {
2193                     // #109007#
2194                     // Suppress default connect at object inside bound
2195                     if(!pThis || !pThis->GetSuppressDefaultConnect())
2196                     {
2197                         bFnd=sal_True;
2198                         aTestCon.pObj=pObj;
2199                         aTestCon.bBestConn=sal_True;
2200                     }
2201                 }
2202                 if (bFnd) {
2203                     Rectangle aMouseRect2(rPt,rPt);
2204                     aMouseRect.Left()  -=nBoundHitTol;
2205                     aMouseRect.Top()   -=nBoundHitTol;
2206                     aMouseRect.Right() +=nBoundHitTol;
2207                     aMouseRect.Bottom()+=nBoundHitTol;
2208                     bTestBoundHit=aObjBound.IsOver(aMouseRect2);
2209                 }
2210 
2211             }
2212         }
2213     }
2214     rCon=aTestCon;
2215     return bFnd;
2216 }
2217 
2218 void SdrEdgeObj::NbcSetSnapRect(const Rectangle& rRect)
2219 {
2220     const Rectangle aOld(GetSnapRect());
2221 
2222     if(aOld != rRect)
2223     {
2224         if(aRect.IsEmpty() && 0 == pEdgeTrack->GetPointCount())
2225         {
2226             // #i110629# When initializing, do not scale on empty Rectangle; this
2227             // will mirror the underlying text object (!)
2228             aRect = rRect;
2229             maSnapRect = rRect;
2230         }
2231         else
2232         {
2233             long nMulX = rRect.Right()  - rRect.Left();
2234             long nDivX = aOld.Right()   - aOld.Left();
2235             long nMulY = rRect.Bottom() - rRect.Top();
2236             long nDivY = aOld.Bottom()  - aOld.Top();
2237             if ( nDivX == 0 ) { nMulX = 1; nDivX = 1; }
2238             if ( nDivY == 0 ) { nMulY = 1; nDivY = 1; }
2239             Fraction aX(nMulX, nDivX);
2240             Fraction aY(nMulY, nDivY);
2241             NbcResize(aOld.TopLeft(), aX, aY);
2242             NbcMove(Size(rRect.Left() - aOld.Left(), rRect.Top() - aOld.Top()));
2243         }
2244     }
2245 }
2246 
2247 void SdrEdgeObj::NbcMove(const Size& rSiz)
2248 {
2249     SdrTextObj::NbcMove(rSiz);
2250     MoveXPoly(*pEdgeTrack,rSiz);
2251 }
2252 
2253 void SdrEdgeObj::NbcResize(const Point& rRefPnt, const Fraction& aXFact, const Fraction& aYFact)
2254 {
2255     SdrTextObj::NbcResize(rRefPnt,aXFact,aXFact);
2256     ResizeXPoly(*pEdgeTrack,rRefPnt,aXFact,aYFact);
2257 
2258     // #75371# if resize is not from paste, forget user distances
2259     if(!GetModel()->IsPasteResize())
2260     {
2261         // #75735#
2262         aEdgeInfo.aObj1Line2 = Point();
2263         aEdgeInfo.aObj1Line3 = Point();
2264         aEdgeInfo.aObj2Line2 = Point();
2265         aEdgeInfo.aObj2Line3 = Point();
2266         aEdgeInfo.aMiddleLine = Point();
2267     }
2268 }
2269 
2270 // #54102# added rotation support
2271 void SdrEdgeObj::NbcRotate(const Point& rRef, long nWink, double sn, double cs)
2272 {
2273     if(bEdgeTrackUserDefined)
2274     {
2275         // #120437# special handling when track is imported, apply
2276         // transformation directly to imported track.
2277         SdrTextObj::NbcRotate(rRef, nWink, sn, cs);
2278         RotateXPoly(*pEdgeTrack, rRef, sn, cs);
2279     }
2280     else
2281     {
2282         // handle start and end point if not connected
2283         FASTBOOL bCon1=aCon1.pObj!=NULL && aCon1.pObj->GetPage()==pPage;
2284         FASTBOOL bCon2=aCon2.pObj!=NULL && aCon2.pObj->GetPage()==pPage;
2285 
2286         if(!bCon1 && pEdgeTrack)
2287         {
2288             RotatePoint((*pEdgeTrack)[0],rRef,sn,cs);
2289             ImpDirtyEdgeTrack();
2290         }
2291 
2292         if(!bCon2 && pEdgeTrack)
2293         {
2294             sal_uInt16 nPntAnz = pEdgeTrack->GetPointCount();
2295             RotatePoint((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],rRef,sn,cs);
2296             ImpDirtyEdgeTrack();
2297         }
2298     }
2299 }
2300 
2301 // #54102# added mirror support
2302 void SdrEdgeObj::NbcMirror(const Point& rRef1, const Point& rRef2)
2303 {
2304     if(bEdgeTrackUserDefined)
2305     {
2306         // #120437# special handling when track is imported, apply
2307         // transformation directly to imported track.
2308         SdrTextObj::NbcMirror(rRef1, rRef2);
2309         MirrorXPoly(*pEdgeTrack, rRef1, rRef2);
2310     }
2311     else
2312     {
2313         // handle start and end point if not connected
2314         FASTBOOL bCon1=aCon1.pObj!=NULL && aCon1.pObj->GetPage()==pPage;
2315         FASTBOOL bCon2=aCon2.pObj!=NULL && aCon2.pObj->GetPage()==pPage;
2316 
2317         if(!bCon1 && pEdgeTrack)
2318         {
2319             MirrorPoint((*pEdgeTrack)[0],rRef1,rRef2);
2320             ImpDirtyEdgeTrack();
2321         }
2322 
2323         if(!bCon2 && pEdgeTrack)
2324         {
2325             sal_uInt16 nPntAnz = pEdgeTrack->GetPointCount();
2326             MirrorPoint((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],rRef1,rRef2);
2327             ImpDirtyEdgeTrack();
2328         }
2329     }
2330 }
2331 
2332 // #54102# added shear support
2333 void SdrEdgeObj::NbcShear(const Point& rRef, long nWink, double tn, FASTBOOL bVShear)
2334 {
2335     if(bEdgeTrackUserDefined)
2336     {
2337         // #120437# special handling when track is imported, apply
2338         // transformation directly to imported track.
2339         SdrTextObj::NbcShear(rRef, nWink, tn, bVShear);
2340         ShearXPoly(*pEdgeTrack, rRef, tn, bVShear);
2341     }
2342     else
2343     {
2344         // handle start and end point if not connected
2345         FASTBOOL bCon1=aCon1.pObj!=NULL && aCon1.pObj->GetPage()==pPage;
2346         FASTBOOL bCon2=aCon2.pObj!=NULL && aCon2.pObj->GetPage()==pPage;
2347 
2348         if(!bCon1 && pEdgeTrack)
2349         {
2350             ShearPoint((*pEdgeTrack)[0],rRef,tn,bVShear);
2351             ImpDirtyEdgeTrack();
2352         }
2353 
2354         if(!bCon2 && pEdgeTrack)
2355         {
2356             sal_uInt16 nPntAnz = pEdgeTrack->GetPointCount();
2357             ShearPoint((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],rRef,tn,bVShear);
2358             ImpDirtyEdgeTrack();
2359         }
2360     }
2361 }
2362 
2363 SdrObject* SdrEdgeObj::DoConvertToPolyObj(sal_Bool bBezier, bool bAddText) const
2364 {
2365     basegfx::B2DPolyPolygon aPolyPolygon;
2366     aPolyPolygon.append(pEdgeTrack->getB2DPolygon());
2367     SdrObject* pRet = ImpConvertMakeObj(aPolyPolygon, sal_False, bBezier);
2368 
2369     if(bAddText)
2370     {
2371         pRet = ImpConvertAddText(pRet, bBezier);
2372     }
2373 
2374     return pRet;
2375 }
2376 
2377 sal_uInt32 SdrEdgeObj::GetSnapPointCount() const
2378 {
2379     return 2L;
2380 }
2381 
2382 Point SdrEdgeObj::GetSnapPoint(sal_uInt32 i) const
2383 {
2384     ((SdrEdgeObj*)this)->ImpUndirtyEdgeTrack();
2385     sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2386     if (i==0) return (*pEdgeTrack)[0];
2387     else return (*pEdgeTrack)[nAnz-1];
2388 }
2389 
2390 sal_Bool SdrEdgeObj::IsPolyObj() const
2391 {
2392     return sal_False;
2393 }
2394 
2395 sal_uInt32 SdrEdgeObj::GetPointCount() const
2396 {
2397     return 0L;
2398 }
2399 
2400 Point SdrEdgeObj::GetPoint(sal_uInt32 i) const
2401 {
2402     ((SdrEdgeObj*)this)->ImpUndirtyEdgeTrack();
2403     sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2404     if (0L == i)
2405         return (*pEdgeTrack)[0];
2406     else
2407         return (*pEdgeTrack)[nAnz-1];
2408 }
2409 
2410 void SdrEdgeObj::NbcSetPoint(const Point& rPnt, sal_uInt32 i)
2411 {
2412     // ToDo: Umconnekten fehlt noch
2413     ImpUndirtyEdgeTrack();
2414     sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2415     if (0L == i)
2416         (*pEdgeTrack)[0]=rPnt;
2417     if (1L == i)
2418         (*pEdgeTrack)[nAnz-1]=rPnt;
2419     SetEdgeTrackDirty();
2420     SetRectsDirty();
2421 }
2422 
2423 SdrEdgeObjGeoData::SdrEdgeObjGeoData()
2424 {
2425     pEdgeTrack=new XPolygon;
2426 }
2427 
2428 SdrEdgeObjGeoData::~SdrEdgeObjGeoData()
2429 {
2430     delete pEdgeTrack;
2431 }
2432 
2433 SdrObjGeoData* SdrEdgeObj::NewGeoData() const
2434 {
2435     return new SdrEdgeObjGeoData;
2436 }
2437 
2438 void SdrEdgeObj::SaveGeoData(SdrObjGeoData& rGeo) const
2439 {
2440     SdrTextObj::SaveGeoData(rGeo);
2441     SdrEdgeObjGeoData& rEGeo=(SdrEdgeObjGeoData&)rGeo;
2442     rEGeo.aCon1          =aCon1;
2443     rEGeo.aCon2          =aCon2;
2444     *rEGeo.pEdgeTrack    =*pEdgeTrack;
2445     rEGeo.bEdgeTrackDirty=bEdgeTrackDirty;
2446     rEGeo.bEdgeTrackUserDefined=bEdgeTrackUserDefined;
2447     rEGeo.aEdgeInfo      =aEdgeInfo;
2448 }
2449 
2450 void SdrEdgeObj::RestGeoData(const SdrObjGeoData& rGeo)
2451 {
2452     SdrTextObj::RestGeoData(rGeo);
2453     SdrEdgeObjGeoData& rEGeo=(SdrEdgeObjGeoData&)rGeo;
2454     if (aCon1.pObj!=rEGeo.aCon1.pObj) {
2455         if (aCon1.pObj!=NULL) aCon1.pObj->RemoveListener(*this);
2456         aCon1=rEGeo.aCon1;
2457         if (aCon1.pObj!=NULL) aCon1.pObj->AddListener(*this);
2458     }
2459     if (aCon2.pObj!=rEGeo.aCon2.pObj) {
2460         if (aCon2.pObj!=NULL) aCon2.pObj->RemoveListener(*this);
2461         aCon2=rEGeo.aCon2;
2462         if (aCon2.pObj!=NULL) aCon2.pObj->AddListener(*this);
2463     }
2464     *pEdgeTrack    =*rEGeo.pEdgeTrack;
2465     bEdgeTrackDirty=rEGeo.bEdgeTrackDirty;
2466     bEdgeTrackUserDefined=rEGeo.bEdgeTrackUserDefined;
2467     aEdgeInfo      =rEGeo.aEdgeInfo;
2468 }
2469 
2470 Point SdrEdgeObj::GetTailPoint( sal_Bool bTail ) const
2471 {
2472     if( pEdgeTrack && pEdgeTrack->GetPointCount()!=0)
2473     {
2474         const XPolygon& rTrack0 = *pEdgeTrack;
2475         if(bTail)
2476         {
2477             return rTrack0[0];
2478         }
2479         else
2480         {
2481             const sal_uInt16 nSiz = rTrack0.GetPointCount() - 1;
2482             return rTrack0[nSiz];
2483         }
2484     }
2485     else
2486     {
2487         if(bTail)
2488             return aOutRect.TopLeft();
2489         else
2490             return aOutRect.BottomRight();
2491     }
2492 
2493 }
2494 
2495 void SdrEdgeObj::SetTailPoint( sal_Bool bTail, const Point& rPt )
2496 {
2497     ImpSetTailPoint( bTail, rPt );
2498     SetChanged();
2499 }
2500 
2501 /** this method is used by the api to set a glue point for a connection
2502     nId == -1 :     The best default point is automaticly choosen
2503     0 <= nId <= 3 : One of the default points is choosen
2504     nId >= 4 :      A user defined glue point is choosen
2505 */
2506 void SdrEdgeObj::setGluePointIndex( sal_Bool bTail, sal_Int32 nIndex /* = -1 */ )
2507 {
2508     Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetCurrentBoundRect();
2509     // #110094#-14 BroadcastObjectChange();
2510 
2511     SdrObjConnection& rConn1 = GetConnection( bTail );
2512 
2513     rConn1.SetAutoVertex( nIndex >= 0 && nIndex <= 3 );
2514     rConn1.SetBestConnection( nIndex < 0 );
2515     rConn1.SetBestVertex( nIndex < 0 );
2516 
2517     if( nIndex > 3 )
2518     {
2519 //      nIndex -= 4;
2520         nIndex -= 3;        // SJ: the start api index is 0, whereas the implementation in svx starts from 1
2521 
2522         // for user defined glue points we have
2523         // to get the id for this index first
2524         const SdrGluePointList* pList = rConn1.GetObject() ? rConn1.GetObject()->GetGluePointList() : NULL;
2525         if( pList == NULL || SDRGLUEPOINT_NOTFOUND == pList->FindGluePoint((sal_uInt16)nIndex) )
2526             return;
2527     }
2528     else if( nIndex < 0 )
2529     {
2530         nIndex = 0;
2531     }
2532 
2533     rConn1.SetConnectorId( (sal_uInt16)nIndex );
2534 
2535     SetChanged();
2536     SetRectsDirty();
2537     ImpRecalcEdgeTrack();
2538     // bEdgeTrackDirty=sal_True;
2539 }
2540 
2541 /** this method is used by the api to return a glue point id for a connection.
2542     See setGluePointId for possible return values */
2543 sal_Int32 SdrEdgeObj::getGluePointIndex( sal_Bool bTail )
2544 {
2545     SdrObjConnection& rConn1 = GetConnection( bTail );
2546     sal_Int32 nId = -1;
2547     if( !rConn1.IsBestConnection() )
2548     {
2549         nId = rConn1.GetConnectorId();
2550         if( !rConn1.IsAutoVertex() )
2551 //          nId += 4;
2552             nId += 3;       // SJ: the start api index is 0, whereas the implementation in svx starts from 1
2553     }
2554     return nId;
2555 }
2556 
2557 // #102344# Implementation was missing; edge track needs to be invalidated additionally.
2558 void SdrEdgeObj::NbcSetAnchorPos(const Point& rPnt)
2559 {
2560     // call parent functionality
2561     SdrTextObj::NbcSetAnchorPos(rPnt);
2562 
2563     // Additionally, invalidate edge track
2564     ImpDirtyEdgeTrack();
2565 }
2566 
2567 sal_Bool SdrEdgeObj::TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegfx::B2DPolyPolygon& rPolyPolygon) const
2568 {
2569     // use base method from SdrObject, it's not rotatable and
2570     // a call to GetSnapRect() is used. That's what we need for Connector.
2571     return SdrObject::TRGetBaseGeometry(rMatrix, rPolyPolygon);
2572 }
2573 
2574 void SdrEdgeObj::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& rPolyPolygon)
2575 {
2576     // evtl. take care for existing connections. For now, just use the
2577     // implementation from SdrObject.
2578     SdrObject::TRSetBaseGeometry(rMatrix, rPolyPolygon);
2579 }
2580 
2581 // for geometry access
2582 ::basegfx::B2DPolygon SdrEdgeObj::getEdgeTrack() const
2583 {
2584     if(bEdgeTrackDirty)
2585     {
2586         const_cast< SdrEdgeObj* >(this)->ImpRecalcEdgeTrack();
2587     }
2588 
2589     if(pEdgeTrack)
2590     {
2591         return pEdgeTrack->getB2DPolygon();
2592     }
2593     else
2594     {
2595         return ::basegfx::B2DPolygon();
2596     }
2597 }
2598 
2599 //////////////////////////////////////////////////////////////////////////////
2600 // eof
2601