xref: /trunk/main/svx/source/svdraw/svdoedge.cxx (revision 3a7cf181c55416e69e525ddc0b38c22235ec1569)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_svx.hxx"
30 
31 #include <svx/svdoedge.hxx>
32 #include <svx/xpool.hxx>
33 #include <svx/xpoly.hxx>
34 #include <svx/svdattrx.hxx>
35 #include <svx/svdpool.hxx>
36 #include <svx/svdmodel.hxx>
37 #include <svx/svdpage.hxx>
38 #include <svx/svdpagv.hxx>
39 #include <svx/svdview.hxx>
40 #include <svx/svddrag.hxx>
41 #include <svx/svddrgv.hxx>
42 #include "svddrgm1.hxx"
43 #include <svx/svdhdl.hxx>
44 #include <svx/svdtrans.hxx>
45 #include <svx/svdetc.hxx>
46 #include "svx/svdglob.hxx"   // StringCache
47 #include "svx/svdstr.hrc"    // Objektname
48 #include <svl/style.hxx>
49 #include <svl/smplhint.hxx>
50 #include <editeng/eeitem.hxx>
51 #include "svdoimp.hxx"
52 #include <svx/sdr/properties/connectorproperties.hxx>
53 #include <svx/sdr/contact/viewcontactofsdredgeobj.hxx>
54 #include <basegfx/polygon/b2dpolygon.hxx>
55 #include <basegfx/polygon/b2dpolygontools.hxx>
56 #include <basegfx/matrix/b2dhommatrix.hxx>
57 #include <svx/sdrhittesthelper.hxx>
58 
59 ////////////////////////////////////////////////////////////////////////////////////////////////////
60 
61 SdrObjConnection::~SdrObjConnection()
62 {
63 }
64 
65 void SdrObjConnection::ResetVars()
66 {
67     pObj=NULL;
68     nConId=0;
69     nXDist=0;
70     nYDist=0;
71     bBestConn=sal_True;
72     bBestVertex=sal_True;
73     bXDistOvr=sal_False;
74     bYDistOvr=sal_False;
75     bAutoVertex=sal_False;
76     bAutoCorner=sal_False;
77 }
78 
79 FASTBOOL SdrObjConnection::TakeGluePoint(SdrGluePoint& rGP, FASTBOOL bSetAbsPos) const
80 {
81     FASTBOOL bRet=sal_False;
82     if (pObj!=NULL) { // Ein Obj muss schon angedockt sein!
83         if (bAutoVertex) {
84             rGP=pObj->GetVertexGluePoint(nConId);
85             bRet=sal_True;
86         } else if (bAutoCorner) {
87             rGP=pObj->GetCornerGluePoint(nConId);
88             bRet=sal_True;
89         } else {
90             const SdrGluePointList* pGPL=pObj->GetGluePointList();
91             if (pGPL!=NULL) {
92                 sal_uInt16 nNum=pGPL->FindGluePoint(nConId);
93                 if (nNum!=SDRGLUEPOINT_NOTFOUND) {
94                     rGP=(*pGPL)[nNum];
95                     bRet=sal_True;
96                 }
97             }
98         }
99     }
100     if (bRet && bSetAbsPos) {
101         Point aPt(rGP.GetAbsolutePos(*pObj));
102         aPt+=aObjOfs;
103         rGP.SetPos(aPt);
104     }
105     return bRet;
106 }
107 
108 Point& SdrEdgeInfoRec::ImpGetLineVersatzPoint(SdrEdgeLineCode eLineCode)
109 {
110     switch (eLineCode) {
111         case OBJ1LINE2 : return aObj1Line2;
112         case OBJ1LINE3 : return aObj1Line3;
113         case OBJ2LINE2 : return aObj2Line2;
114         case OBJ2LINE3 : return aObj2Line3;
115         case MIDDLELINE: return aMiddleLine;
116     } // switch
117     return aMiddleLine;
118 }
119 
120 sal_uInt16 SdrEdgeInfoRec::ImpGetPolyIdx(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
121 {
122     switch (eLineCode) {
123         case OBJ1LINE2 : return 1;
124         case OBJ1LINE3 : return 2;
125         case OBJ2LINE2 : return rXP.GetPointCount()-3;
126         case OBJ2LINE3 : return rXP.GetPointCount()-4;
127         case MIDDLELINE: return nMiddleLine;
128     } // switch
129     return 0;
130 }
131 
132 FASTBOOL SdrEdgeInfoRec::ImpIsHorzLine(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
133 {
134     sal_uInt16 nIdx=ImpGetPolyIdx(eLineCode,rXP);
135     FASTBOOL bHorz=nAngle1==0 || nAngle1==18000;
136     if (eLineCode==OBJ2LINE2 || eLineCode==OBJ2LINE3) {
137         nIdx=rXP.GetPointCount()-nIdx; // #36314#
138         bHorz=nAngle2==0 || nAngle2==18000; // #52000#
139     }
140     if ((nIdx & 1)==1) bHorz=!bHorz;
141     return bHorz;
142 }
143 
144 void SdrEdgeInfoRec::ImpSetLineVersatz(SdrEdgeLineCode eLineCode, const XPolygon& rXP, long nVal)
145 {
146     Point& rPt=ImpGetLineVersatzPoint(eLineCode);
147     if (ImpIsHorzLine(eLineCode,rXP)) rPt.Y()=nVal;
148     else rPt.X()=nVal;
149 }
150 
151 long SdrEdgeInfoRec::ImpGetLineVersatz(SdrEdgeLineCode eLineCode, const XPolygon& rXP) const
152 {
153     const Point& rPt=ImpGetLineVersatzPoint(eLineCode);
154     if (ImpIsHorzLine(eLineCode,rXP)) return rPt.Y();
155     else return rPt.X();
156 }
157 
158 //////////////////////////////////////////////////////////////////////////////
159 // BaseProperties section
160 
161 sdr::properties::BaseProperties* SdrEdgeObj::CreateObjectSpecificProperties()
162 {
163     return new sdr::properties::ConnectorProperties(*this);
164 }
165 
166 //////////////////////////////////////////////////////////////////////////////
167 // DrawContact section
168 
169 sdr::contact::ViewContact* SdrEdgeObj::CreateObjectSpecificViewContact()
170 {
171     return new sdr::contact::ViewContactOfSdrEdgeObj(*this);
172 }
173 
174 //////////////////////////////////////////////////////////////////////////////
175 
176 TYPEINIT1(SdrEdgeObj,SdrTextObj);
177 
178 SdrEdgeObj::SdrEdgeObj()
179 :   SdrTextObj(),
180     nNotifyingCount(0),
181     bEdgeTrackDirty(sal_False),
182     bEdgeTrackUserDefined(sal_False),
183     // #109007# Default is to allow default connects
184     mbSuppressDefaultConnect(sal_False),
185     // #110649#
186     mbBoundRectCalculationRunning(sal_False)
187 {
188     bClosedObj=sal_False;
189     bIsEdge=sal_True;
190     pEdgeTrack=new XPolygon;
191 
192 }
193 
194 SdrEdgeObj::~SdrEdgeObj()
195 {
196     DisconnectFromNode(sal_True);
197     DisconnectFromNode(sal_False);
198     delete pEdgeTrack;
199 }
200 
201 void SdrEdgeObj::ImpSetAttrToEdgeInfo()
202 {
203     const SfxItemSet& rSet = GetObjectItemSet();
204     SdrEdgeKind eKind = ((SdrEdgeKindItem&)(rSet.Get(SDRATTR_EDGEKIND))).GetValue();
205     sal_Int32 nVal1 = ((SdrEdgeLine1DeltaItem&)rSet.Get(SDRATTR_EDGELINE1DELTA)).GetValue();
206     sal_Int32 nVal2 = ((SdrEdgeLine2DeltaItem&)rSet.Get(SDRATTR_EDGELINE2DELTA)).GetValue();
207     sal_Int32 nVal3 = ((SdrEdgeLine3DeltaItem&)rSet.Get(SDRATTR_EDGELINE3DELTA)).GetValue();
208 
209     if(eKind == SDREDGE_ORTHOLINES || eKind == SDREDGE_BEZIER)
210     {
211         sal_Int32 nVals[3] = { nVal1, nVal2, nVal3 };
212         sal_uInt16 n = 0;
213 
214         if(aEdgeInfo.nObj1Lines >= 2 && n < 3)
215         {
216             aEdgeInfo.ImpSetLineVersatz(OBJ1LINE2, *pEdgeTrack, nVals[n]);
217             n++;
218         }
219 
220         if(aEdgeInfo.nObj1Lines >= 3 && n < 3)
221         {
222             aEdgeInfo.ImpSetLineVersatz(OBJ1LINE3, *pEdgeTrack, nVals[n]);
223             n++;
224         }
225 
226         if(aEdgeInfo.nMiddleLine != 0xFFFF && n < 3)
227         {
228             aEdgeInfo.ImpSetLineVersatz(MIDDLELINE, *pEdgeTrack, nVals[n]);
229             n++;
230         }
231 
232         if(aEdgeInfo.nObj2Lines >= 3 && n < 3)
233         {
234             aEdgeInfo.ImpSetLineVersatz(OBJ2LINE3, *pEdgeTrack, nVals[n]);
235             n++;
236         }
237 
238         if(aEdgeInfo.nObj2Lines >= 2 && n < 3)
239         {
240             aEdgeInfo.ImpSetLineVersatz(OBJ2LINE2, *pEdgeTrack, nVals[n]);
241             n++;
242         }
243     }
244     else if(eKind == SDREDGE_THREELINES)
245     {
246         sal_Bool bHor1 = aEdgeInfo.nAngle1 == 0 || aEdgeInfo.nAngle1 == 18000;
247         sal_Bool bHor2 = aEdgeInfo.nAngle2 == 0 || aEdgeInfo.nAngle2 == 18000;
248 
249         if(bHor1)
250         {
251             aEdgeInfo.aObj1Line2.X() = nVal1;
252         }
253         else
254         {
255             aEdgeInfo.aObj1Line2.Y() = nVal1;
256         }
257 
258         if(bHor2)
259         {
260             aEdgeInfo.aObj2Line2.X() = nVal2;
261         }
262         else
263         {
264             aEdgeInfo.aObj2Line2.Y() = nVal2;
265         }
266     }
267 
268     // #84649#
269     ImpDirtyEdgeTrack();
270 }
271 
272 void SdrEdgeObj::ImpSetEdgeInfoToAttr()
273 {
274     const SfxItemSet& rSet = GetObjectItemSet();
275     SdrEdgeKind eKind = ((SdrEdgeKindItem&)(rSet.Get(SDRATTR_EDGEKIND))).GetValue();
276     sal_Int32 nValAnz = ((SdrEdgeLineDeltaAnzItem&)rSet.Get(SDRATTR_EDGELINEDELTAANZ)).GetValue();
277     sal_Int32 nVal1 = ((SdrEdgeLine1DeltaItem&)rSet.Get(SDRATTR_EDGELINE1DELTA)).GetValue();
278     sal_Int32 nVal2 = ((SdrEdgeLine2DeltaItem&)rSet.Get(SDRATTR_EDGELINE2DELTA)).GetValue();
279     sal_Int32 nVal3 = ((SdrEdgeLine3DeltaItem&)rSet.Get(SDRATTR_EDGELINE3DELTA)).GetValue();
280     sal_Int32 nVals[3] = { nVal1, nVal2, nVal3 };
281     sal_uInt16 n = 0;
282 
283     if(eKind == SDREDGE_ORTHOLINES || eKind == SDREDGE_BEZIER)
284     {
285         if(aEdgeInfo.nObj1Lines >= 2 && n < 3)
286         {
287             nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ1LINE2, *pEdgeTrack);
288             n++;
289         }
290 
291         if(aEdgeInfo.nObj1Lines >= 3 && n < 3)
292         {
293             nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ1LINE3, *pEdgeTrack);
294             n++;
295         }
296 
297         if(aEdgeInfo.nMiddleLine != 0xFFFF && n < 3)
298         {
299             nVals[n] = aEdgeInfo.ImpGetLineVersatz(MIDDLELINE, *pEdgeTrack);
300             n++;
301         }
302 
303         if(aEdgeInfo.nObj2Lines >= 3 && n < 3)
304         {
305             nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ2LINE3, *pEdgeTrack);
306             n++;
307         }
308 
309         if(aEdgeInfo.nObj2Lines >= 2 && n < 3)
310         {
311             nVals[n] = aEdgeInfo.ImpGetLineVersatz(OBJ2LINE2, *pEdgeTrack);
312             n++;
313         }
314     }
315     else if(eKind == SDREDGE_THREELINES)
316     {
317         sal_Bool bHor1 = aEdgeInfo.nAngle1 == 0 || aEdgeInfo.nAngle1 == 18000;
318         sal_Bool bHor2 = aEdgeInfo.nAngle2 == 0 || aEdgeInfo.nAngle2 == 18000;
319 
320         n = 2;
321         nVals[0] = bHor1 ? aEdgeInfo.aObj1Line2.X() : aEdgeInfo.aObj1Line2.Y();
322         nVals[1] = bHor2 ? aEdgeInfo.aObj2Line2.X() : aEdgeInfo.aObj2Line2.Y();
323     }
324 
325     if(n != nValAnz || nVals[0] != nVal1 || nVals[1] != nVal2 || nVals[2] != nVal3)
326     {
327         // #75371# Here no more notifying is necessary, just local changes are OK.
328         if(n != nValAnz)
329         {
330             GetProperties().SetObjectItemDirect(SdrEdgeLineDeltaAnzItem(n));
331         }
332 
333         if(nVals[0] != nVal1)
334         {
335             GetProperties().SetObjectItemDirect(SdrEdgeLine1DeltaItem(nVals[0]));
336         }
337 
338         if(nVals[1] != nVal2)
339         {
340             GetProperties().SetObjectItemDirect(SdrEdgeLine2DeltaItem(nVals[1]));
341         }
342 
343         if(nVals[2] != nVal3)
344         {
345             GetProperties().SetObjectItemDirect(SdrEdgeLine3DeltaItem(nVals[2]));
346         }
347 
348         if(n < 3)
349         {
350             GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE3DELTA);
351         }
352 
353         if(n < 2)
354         {
355             GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE2DELTA);
356         }
357 
358         if(n < 1)
359         {
360             GetProperties().ClearObjectItemDirect(SDRATTR_EDGELINE1DELTA);
361         }
362     }
363 }
364 
365 void SdrEdgeObj::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const
366 {
367     rInfo.bRotateFreeAllowed=sal_False;
368     rInfo.bRotate90Allowed  =sal_False;
369     rInfo.bMirrorFreeAllowed=sal_False;
370     rInfo.bMirror45Allowed  =sal_False;
371     rInfo.bMirror90Allowed  =sal_False;
372     rInfo.bTransparenceAllowed = sal_False;
373     rInfo.bGradientAllowed = sal_False;
374     rInfo.bShearAllowed     =sal_False;
375     rInfo.bEdgeRadiusAllowed=sal_False;
376     FASTBOOL bCanConv=!HasText() || ImpCanConvTextToCurve();
377     rInfo.bCanConvToPath=bCanConv;
378     rInfo.bCanConvToPoly=bCanConv;
379     rInfo.bCanConvToContour = (rInfo.bCanConvToPoly || LineGeometryUsageIsNecessary());
380 }
381 
382 sal_uInt16 SdrEdgeObj::GetObjIdentifier() const
383 {
384     return sal_uInt16(OBJ_EDGE);
385 }
386 
387 const Rectangle& SdrEdgeObj::GetCurrentBoundRect() const
388 {
389     if(bEdgeTrackDirty)
390     {
391         ((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
392     }
393 
394     return SdrTextObj::GetCurrentBoundRect();
395 }
396 
397 const Rectangle& SdrEdgeObj::GetSnapRect() const
398 {
399     if(bEdgeTrackDirty)
400     {
401         ((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
402     }
403 
404     return SdrTextObj::GetSnapRect();
405 }
406 
407 void SdrEdgeObj::RecalcSnapRect()
408 {
409     maSnapRect=pEdgeTrack->GetBoundRect();
410 }
411 
412 void SdrEdgeObj::TakeUnrotatedSnapRect(Rectangle& rRect) const
413 {
414     rRect=GetSnapRect();
415 }
416 
417 FASTBOOL SdrEdgeObj::IsNode() const
418 {
419     return sal_True;
420 }
421 
422 SdrGluePoint SdrEdgeObj::GetVertexGluePoint(sal_uInt16 nNum) const
423 {
424     Point aPt;
425     sal_uInt16 nPntAnz=pEdgeTrack->GetPointCount();
426     if (nPntAnz>0)
427     {
428         Point aOfs = GetSnapRect().Center();
429         if (nNum==2 && GetConnectedNode(sal_True)==NULL) aPt=(*pEdgeTrack)[0];
430         else if (nNum==3 && GetConnectedNode(sal_False)==NULL) aPt=(*pEdgeTrack)[nPntAnz-1];
431         else {
432             if ((nPntAnz & 1) ==1) {
433                 aPt=(*pEdgeTrack)[nPntAnz/2];
434             } else {
435                 Point aPt1((*pEdgeTrack)[nPntAnz/2-1]);
436                 Point aPt2((*pEdgeTrack)[nPntAnz/2]);
437                 aPt1+=aPt2;
438                 aPt1.X()/=2;
439                 aPt1.Y()/=2;
440                 aPt=aPt1;
441             }
442         }
443         aPt-=aOfs;
444     }
445     SdrGluePoint aGP(aPt);
446     aGP.SetPercent(sal_False);
447     return aGP;
448 }
449 
450 SdrGluePoint SdrEdgeObj::GetCornerGluePoint(sal_uInt16 nNum) const
451 {
452     return GetVertexGluePoint(nNum);
453 }
454 
455 const SdrGluePointList* SdrEdgeObj::GetGluePointList() const
456 {
457     return NULL; // Keine benutzerdefinierten Klebepunkte fuer Verbinder #31671#
458 }
459 
460 SdrGluePointList* SdrEdgeObj::ForceGluePointList()
461 {
462     return NULL; // Keine benutzerdefinierten Klebepunkte fuer Verbinder #31671#
463 }
464 
465 FASTBOOL SdrEdgeObj::IsEdge() const
466 {
467     return sal_True;
468 }
469 
470 void SdrEdgeObj::ConnectToNode(FASTBOOL bTail1, SdrObject* pObj)
471 {
472     SdrObjConnection& rCon=GetConnection(bTail1);
473     DisconnectFromNode(bTail1);
474     if (pObj!=NULL) {
475         pObj->AddListener(*this);
476         rCon.pObj=pObj;
477         ImpDirtyEdgeTrack();
478     }
479 }
480 
481 void SdrEdgeObj::DisconnectFromNode(FASTBOOL bTail1)
482 {
483     SdrObjConnection& rCon=GetConnection(bTail1);
484     if (rCon.pObj!=NULL) {
485         rCon.pObj->RemoveListener(*this);
486         rCon.pObj=NULL;
487     }
488 }
489 
490 SdrObject* SdrEdgeObj::GetConnectedNode(FASTBOOL bTail1) const
491 {
492     SdrObject* pObj=GetConnection(bTail1).pObj;
493     if (pObj!=NULL && (pObj->GetPage()!=pPage || !pObj->IsInserted())) pObj=NULL;
494     return pObj;
495 }
496 
497 FASTBOOL SdrEdgeObj::CheckNodeConnection(FASTBOOL bTail1) const
498 {
499     FASTBOOL bRet=sal_False;
500     const SdrObjConnection& rCon=GetConnection(bTail1);
501     sal_uInt16 nPtAnz=pEdgeTrack->GetPointCount();
502     if (rCon.pObj!=NULL && rCon.pObj->GetPage()==pPage && nPtAnz!=0) {
503         const SdrGluePointList* pGPL=rCon.pObj->GetGluePointList();
504         sal_uInt16 nConAnz=pGPL==NULL ? 0 : pGPL->GetCount();
505         sal_uInt16 nGesAnz=nConAnz+8;
506         Point aTail(bTail1 ? (*pEdgeTrack)[0] : (*pEdgeTrack)[sal_uInt16(nPtAnz-1)]);
507         for (sal_uInt16 i=0; i<nGesAnz && !bRet; i++) {
508             if (i<nConAnz) { // UserDefined
509                 bRet=aTail==(*pGPL)[i].GetAbsolutePos(*rCon.pObj);
510             } else if (i<nConAnz+4) { // Vertex
511                 SdrGluePoint aPt(rCon.pObj->GetVertexGluePoint(i-nConAnz));
512                 bRet=aTail==aPt.GetAbsolutePos(*rCon.pObj);
513             } else {                  // Corner
514                 SdrGluePoint aPt(rCon.pObj->GetCornerGluePoint(i-nConAnz-4));
515                 bRet=aTail==aPt.GetAbsolutePos(*rCon.pObj);
516             }
517         }
518     }
519     return bRet;
520 }
521 
522 void SdrEdgeObj::ImpSetTailPoint(FASTBOOL bTail1, const Point& rPt)
523 {
524     sal_uInt16 nPtAnz=pEdgeTrack->GetPointCount();
525     if (nPtAnz==0) {
526         (*pEdgeTrack)[0]=rPt;
527         (*pEdgeTrack)[1]=rPt;
528     } else if (nPtAnz==1) {
529         if (!bTail1) (*pEdgeTrack)[1]=rPt;
530         else { (*pEdgeTrack)[1]=(*pEdgeTrack)[0]; (*pEdgeTrack)[0]=rPt; }
531     } else {
532         if (!bTail1) (*pEdgeTrack)[sal_uInt16(nPtAnz-1)]=rPt;
533         else (*pEdgeTrack)[0]=rPt;
534     }
535     ImpRecalcEdgeTrack();
536     SetRectsDirty();
537 }
538 
539 void SdrEdgeObj::ImpDirtyEdgeTrack()
540 {
541     if ( !bEdgeTrackUserDefined || !(GetModel() && GetModel()->isLocked()) )
542         bEdgeTrackDirty = sal_True;
543 }
544 
545 void SdrEdgeObj::ImpUndirtyEdgeTrack()
546 {
547     if (bEdgeTrackDirty && (GetModel() && GetModel()->isLocked()) ) {
548         ImpRecalcEdgeTrack();
549     }
550 }
551 
552 void SdrEdgeObj::ImpRecalcEdgeTrack()
553 {
554     if ( bEdgeTrackUserDefined && (GetModel() && GetModel()->isLocked()) )
555         return;
556 
557     // #110649#
558     if(IsBoundRectCalculationRunning())
559     {
560         // this object is involved into another ImpRecalcEdgeTrack() call
561         // from another SdrEdgeObj. Do not calculate again to avoid loop.
562         // Also, do not change bEdgeTrackDirty so that it gets recalculated
563         // later at the first non-looping call.
564     }
565     // #i43068#
566     else if(GetModel() && GetModel()->isLocked())
567     {
568         // avoid re-layout during imports/API call sequences
569         // #i45294# but calc EdgeTrack and secure properties there
570         ((SdrEdgeObj*)this)->mbBoundRectCalculationRunning = sal_True;
571         *pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
572         ImpSetAttrToEdgeInfo();
573         bEdgeTrackDirty=sal_False;
574         ((SdrEdgeObj*)this)->mbBoundRectCalculationRunning = sal_False;
575     }
576     else
577     {
578         // To not run in a depth loop, use a coloring algorythm on
579         // SdrEdgeObj BoundRect calculations
580         ((SdrEdgeObj*)this)->mbBoundRectCalculationRunning = sal_True;
581 
582         Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetLastBoundRect();
583         SetRectsDirty();
584         // #110094#-14 if (!bEdgeTrackDirty) SendRepaintBroadcast();
585         *pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
586         ImpSetEdgeInfoToAttr(); // Die Werte aus aEdgeInfo in den Pool kopieren
587         bEdgeTrackDirty=sal_False;
588 
589         // Only redraw here, no object change
590         ActionChanged();
591         // BroadcastObjectChange();
592 
593         SendUserCall(SDRUSERCALL_RESIZE,aBoundRect0);
594 
595         // #110649#
596         ((SdrEdgeObj*)this)->mbBoundRectCalculationRunning = sal_False;
597     }
598 }
599 
600 sal_uInt16 SdrEdgeObj::ImpCalcEscAngle(SdrObject* pObj, const Point& rPt) const
601 {
602     if (pObj==NULL) return SDRESC_ALL;
603     Rectangle aR(pObj->GetSnapRect());
604     long dxl=rPt.X()-aR.Left();
605     long dyo=rPt.Y()-aR.Top();
606     long dxr=aR.Right()-rPt.X();
607     long dyu=aR.Bottom()-rPt.Y();
608     FASTBOOL bxMitt=Abs(dxl-dxr)<2;
609     FASTBOOL byMitt=Abs(dyo-dyu)<2;
610     long dx=Min(dxl,dxr);
611     long dy=Min(dyo,dyu);
612     FASTBOOL bDiag=Abs(dx-dy)<2;
613     if (bxMitt && byMitt) return SDRESC_ALL; // In der Mitte
614     if (bDiag) {  // diagonal
615         sal_uInt16 nRet=0;
616         if (byMitt) nRet|=SDRESC_VERT;
617         if (bxMitt) nRet|=SDRESC_HORZ;
618         if (dxl<dxr) { // Links
619             if (dyo<dyu) nRet|=SDRESC_LEFT | SDRESC_TOP;
620             else nRet|=SDRESC_LEFT | SDRESC_BOTTOM;
621         } else {       // Rechts
622             if (dyo<dyu) nRet|=SDRESC_RIGHT | SDRESC_TOP;
623             else nRet|=SDRESC_RIGHT | SDRESC_BOTTOM;
624         }
625         return nRet;
626     }
627     if (dx<dy) { // waagerecht
628         if (bxMitt) return SDRESC_HORZ;
629         if (dxl<dxr) return SDRESC_LEFT;
630         else return SDRESC_RIGHT;
631     } else {     // senkrecht
632         if (byMitt) return SDRESC_VERT;
633         if (dyo<dyu) return SDRESC_TOP;
634         else return SDRESC_BOTTOM;
635     }
636 }
637 
638 FASTBOOL SdrEdgeObj::ImpStripPolyPoints(XPolygon& /*rXP*/) const
639 {
640     // fehlende Implementation !!!
641     return sal_False;
642 }
643 
644 XPolygon SdrEdgeObj::ImpCalcObjToCenter(const Point& rStPt, long nEscAngle, const Rectangle& rRect, const Point& rMeeting) const
645 {
646     XPolygon aXP;
647     aXP.Insert(XPOLY_APPEND,rStPt,XPOLY_NORMAL);
648     FASTBOOL bRts=nEscAngle==0;
649     FASTBOOL bObn=nEscAngle==9000;
650     FASTBOOL bLks=nEscAngle==18000;
651     FASTBOOL bUnt=nEscAngle==27000;
652 
653     Point aP1(rStPt); // erstmal den Pflichtabstand
654     if (bLks) aP1.X()=rRect.Left();
655     if (bRts) aP1.X()=rRect.Right();
656     if (bObn) aP1.Y()=rRect.Top();
657     if (bUnt) aP1.Y()=rRect.Bottom();
658 
659     FASTBOOL bFinish=sal_False;
660     if (!bFinish) {
661         Point aP2(aP1); // Und nun den Pflichtabstand ggf. bis auf Meetinghoehe erweitern
662         if (bLks && rMeeting.X()<=aP2.X()) aP2.X()=rMeeting.X();
663         if (bRts && rMeeting.X()>=aP2.X()) aP2.X()=rMeeting.X();
664         if (bObn && rMeeting.Y()<=aP2.Y()) aP2.Y()=rMeeting.Y();
665         if (bUnt && rMeeting.Y()>=aP2.Y()) aP2.Y()=rMeeting.Y();
666         aXP.Insert(XPOLY_APPEND,aP2,XPOLY_NORMAL);
667 
668         Point aP3(aP2);
669         if ((bLks && rMeeting.X()>aP2.X()) || (bRts && rMeeting.X()<aP2.X())) { // Aussenrum
670             if (rMeeting.Y()<aP2.Y()) {
671                 aP3.Y()=rRect.Top();
672                 if (rMeeting.Y()<aP3.Y()) aP3.Y()=rMeeting.Y();
673             } else {
674                 aP3.Y()=rRect.Bottom();
675                 if (rMeeting.Y()>aP3.Y()) aP3.Y()=rMeeting.Y();
676             }
677             aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
678             if (aP3.Y()!=rMeeting.Y()) {
679                 aP3.X()=rMeeting.X();
680                 aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
681             }
682         }
683         if ((bObn && rMeeting.Y()>aP2.Y()) || (bUnt && rMeeting.Y()<aP2.Y())) { // Aussenrum
684             if (rMeeting.X()<aP2.X()) {
685                 aP3.X()=rRect.Left();
686                 if (rMeeting.X()<aP3.X()) aP3.X()=rMeeting.X();
687             } else {
688                 aP3.X()=rRect.Right();
689                 if (rMeeting.X()>aP3.X()) aP3.X()=rMeeting.X();
690             }
691             aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
692             if (aP3.X()!=rMeeting.X()) {
693                 aP3.Y()=rMeeting.Y();
694                 aXP.Insert(XPOLY_APPEND,aP3,XPOLY_NORMAL);
695             }
696         }
697     }
698 #ifdef DBG_UTIL
699     if (aXP.GetPointCount()>4) {
700         DBG_ERROR("SdrEdgeObj::ImpCalcObjToCenter(): Polygon hat mehr als 4 Punkte!");
701     }
702 #endif
703     return aXP;
704 }
705 
706 XPolygon SdrEdgeObj::ImpCalcEdgeTrack(const XPolygon& rTrack0, SdrObjConnection& rCon1, SdrObjConnection& rCon2, SdrEdgeInfoRec* pInfo) const
707 {
708     Point aPt1,aPt2;
709     SdrGluePoint aGP1,aGP2;
710     sal_uInt16 nEsc1=SDRESC_ALL,nEsc2=SDRESC_ALL;
711     Rectangle aBoundRect1;
712     Rectangle aBoundRect2;
713     Rectangle aBewareRect1;
714     Rectangle aBewareRect2;
715     // Erstmal die alten Endpunkte wiederholen
716     if (rTrack0.GetPointCount()!=0) {
717         aPt1=rTrack0[0];
718         sal_uInt16 nSiz=rTrack0.GetPointCount();
719         nSiz--;
720         aPt2=rTrack0[nSiz];
721     } else {
722         if (!aOutRect.IsEmpty()) {
723             aPt1=aOutRect.TopLeft();
724             aPt2=aOutRect.BottomRight();
725         }
726     }
727     FASTBOOL bCon1=rCon1.pObj!=NULL && rCon1.pObj->GetPage()==pPage && rCon1.pObj->IsInserted();
728     FASTBOOL bCon2=rCon2.pObj!=NULL && rCon2.pObj->GetPage()==pPage && rCon2.pObj->IsInserted();
729     const SfxItemSet& rSet = GetObjectItemSet();
730 
731     if (bCon1) {
732         if (rCon1.pObj==(SdrObject*)this)
733         {
734             // sicherheitshalber Abfragen #44515#
735             aBoundRect1=aOutRect;
736         }
737         else
738         {
739             aBoundRect1 = rCon1.pObj->GetCurrentBoundRect();
740         }
741         aBoundRect1.Move(rCon1.aObjOfs.X(),rCon1.aObjOfs.Y());
742         aBewareRect1=aBoundRect1;
743 
744         sal_Int32 nH = ((SdrEdgeNode1HorzDistItem&)rSet.Get(SDRATTR_EDGENODE1HORZDIST)).GetValue();
745         sal_Int32 nV = ((SdrEdgeNode1VertDistItem&)rSet.Get(SDRATTR_EDGENODE1VERTDIST)).GetValue();
746 
747         aBewareRect1.Left()-=nH;
748         aBewareRect1.Right()+=nH;
749         aBewareRect1.Top()-=nV;
750         aBewareRect1.Bottom()+=nV;
751     } else {
752         aBoundRect1=Rectangle(aPt1,aPt1);
753         aBoundRect1.Move(rCon1.aObjOfs.X(),rCon1.aObjOfs.Y());
754         aBewareRect1=aBoundRect1;
755     }
756     if (bCon2) {
757         if (rCon2.pObj==(SdrObject*)this) { // sicherheitshalber Abfragen #44515#
758             aBoundRect2=aOutRect;
759         }
760         else
761         {
762             aBoundRect2 = rCon2.pObj->GetCurrentBoundRect();
763         }
764         aBoundRect2.Move(rCon2.aObjOfs.X(),rCon2.aObjOfs.Y());
765         aBewareRect2=aBoundRect2;
766 
767         sal_Int32 nH = ((SdrEdgeNode2HorzDistItem&)rSet.Get(SDRATTR_EDGENODE2HORZDIST)).GetValue();
768         sal_Int32 nV = ((SdrEdgeNode2VertDistItem&)rSet.Get(SDRATTR_EDGENODE2VERTDIST)).GetValue();
769 
770         aBewareRect2.Left()-=nH;
771         aBewareRect2.Right()+=nH;
772         aBewareRect2.Top()-=nV;
773         aBewareRect2.Bottom()+=nV;
774     } else {
775         aBoundRect2=Rectangle(aPt2,aPt2);
776         aBoundRect2.Move(rCon2.aObjOfs.X(),rCon2.aObjOfs.Y());
777         aBewareRect2=aBoundRect2;
778     }
779     XPolygon aBestXP;
780     sal_uIntPtr nBestQual=0xFFFFFFFF;
781     SdrEdgeInfoRec aBestInfo;
782     FASTBOOL bAuto1=bCon1 && rCon1.bBestVertex;
783     FASTBOOL bAuto2=bCon2 && rCon2.bBestVertex;
784     if (bAuto1) rCon1.bAutoVertex=sal_True;
785     if (bAuto2) rCon2.bAutoVertex=sal_True;
786     sal_uInt16 nBestAuto1=0;
787     sal_uInt16 nBestAuto2=0;
788     sal_uInt16 nAnz1=bAuto1 ? 4 : 1;
789     sal_uInt16 nAnz2=bAuto2 ? 4 : 1;
790     for (sal_uInt16 nNum1=0; nNum1<nAnz1; nNum1++) {
791         if (bAuto1) rCon1.nConId=nNum1;
792         if (bCon1 && rCon1.TakeGluePoint(aGP1,sal_True)) {
793             aPt1=aGP1.GetPos();
794             nEsc1=aGP1.GetEscDir();
795             if (nEsc1==SDRESC_SMART) nEsc1=ImpCalcEscAngle(rCon1.pObj,aPt1-rCon1.aObjOfs);
796         }
797         for (sal_uInt16 nNum2=0; nNum2<nAnz2; nNum2++) {
798             if (bAuto2) rCon2.nConId=nNum2;
799             if (bCon2 && rCon2.TakeGluePoint(aGP2,sal_True)) {
800                 aPt2=aGP2.GetPos();
801                 nEsc2=aGP2.GetEscDir();
802                 if (nEsc2==SDRESC_SMART) nEsc2=ImpCalcEscAngle(rCon2.pObj,aPt2-rCon2.aObjOfs);
803             }
804             for (long nA1=0; nA1<36000; nA1+=9000) {
805                 sal_uInt16 nE1=nA1==0 ? SDRESC_RIGHT : nA1==9000 ? SDRESC_TOP : nA1==18000 ? SDRESC_LEFT : nA1==27000 ? SDRESC_BOTTOM : 0;
806                 for (long nA2=0; nA2<36000; nA2+=9000) {
807                     sal_uInt16 nE2=nA2==0 ? SDRESC_RIGHT : nA2==9000 ? SDRESC_TOP : nA2==18000 ? SDRESC_LEFT : nA2==27000 ? SDRESC_BOTTOM : 0;
808                     if ((nEsc1&nE1)!=0 && (nEsc2&nE2)!=0) {
809                         sal_uIntPtr nQual=0;
810                         SdrEdgeInfoRec aInfo;
811                         if (pInfo!=NULL) aInfo=*pInfo;
812                         XPolygon aXP(ImpCalcEdgeTrack(aPt1,nA1,aBoundRect1,aBewareRect1,aPt2,nA2,aBoundRect2,aBewareRect2,&nQual,&aInfo));
813                         if (nQual<nBestQual) {
814                             aBestXP=aXP;
815                             nBestQual=nQual;
816                             aBestInfo=aInfo;
817                             nBestAuto1=nNum1;
818                             nBestAuto2=nNum2;
819                         }
820                     }
821                 }
822             }
823         }
824     }
825     if (bAuto1) rCon1.nConId=nBestAuto1;
826     if (bAuto2) rCon2.nConId=nBestAuto2;
827     if (pInfo!=NULL) *pInfo=aBestInfo;
828     return aBestXP;
829 }
830 
831 XPolygon SdrEdgeObj::ImpCalcEdgeTrack(const Point& rPt1, long nAngle1, const Rectangle& rBoundRect1, const Rectangle& rBewareRect1,
832     const Point& rPt2, long nAngle2, const Rectangle& rBoundRect2, const Rectangle& rBewareRect2,
833     sal_uIntPtr* pnQuality, SdrEdgeInfoRec* pInfo) const
834 {
835     SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
836     FASTBOOL bRts1=nAngle1==0;
837     FASTBOOL bObn1=nAngle1==9000;
838     FASTBOOL bLks1=nAngle1==18000;
839     FASTBOOL bUnt1=nAngle1==27000;
840     FASTBOOL bHor1=bLks1 || bRts1;
841     FASTBOOL bVer1=bObn1 || bUnt1;
842     FASTBOOL bRts2=nAngle2==0;
843     FASTBOOL bObn2=nAngle2==9000;
844     FASTBOOL bLks2=nAngle2==18000;
845     FASTBOOL bUnt2=nAngle2==27000;
846     FASTBOOL bHor2=bLks2 || bRts2;
847     FASTBOOL bVer2=bObn2 || bUnt2;
848     FASTBOOL bInfo=pInfo!=NULL;
849     if (bInfo) {
850         pInfo->cOrthoForm=0;
851         pInfo->nAngle1=nAngle1;
852         pInfo->nAngle2=nAngle2;
853         pInfo->nObj1Lines=1;
854         pInfo->nObj2Lines=1;
855         pInfo->nMiddleLine=0xFFFF;
856     }
857     Point aPt1(rPt1);
858     Point aPt2(rPt2);
859     Rectangle aBoundRect1 (rBoundRect1 );
860     Rectangle aBoundRect2 (rBoundRect2 );
861     Rectangle aBewareRect1(rBewareRect1);
862     Rectangle aBewareRect2(rBewareRect2);
863     Point aMeeting((aPt1.X()+aPt2.X()+1)/2,(aPt1.Y()+aPt2.Y()+1)/2);
864     FASTBOOL bMeetingXMid=sal_True;
865     FASTBOOL bMeetingYMid=sal_True;
866     if (eKind==SDREDGE_ONELINE) {
867         XPolygon aXP(2);
868         aXP[0]=rPt1;
869         aXP[1]=rPt2;
870         if (pnQuality!=NULL) {
871             *pnQuality=Abs(rPt1.X()-rPt2.X())+Abs(rPt1.Y()-rPt2.Y());
872         }
873         return aXP;
874     } else if (eKind==SDREDGE_THREELINES) {
875         XPolygon aXP(4);
876         aXP[0]=rPt1;
877         aXP[1]=rPt1;
878         aXP[2]=rPt2;
879         aXP[3]=rPt2;
880         if (bRts1) aXP[1].X()=aBewareRect1.Right();  //+=500;
881         if (bObn1) aXP[1].Y()=aBewareRect1.Top();    //-=500;
882         if (bLks1) aXP[1].X()=aBewareRect1.Left();   //-=500;
883         if (bUnt1) aXP[1].Y()=aBewareRect1.Bottom(); //+=500;
884         if (bRts2) aXP[2].X()=aBewareRect2.Right();  //+=500;
885         if (bObn2) aXP[2].Y()=aBewareRect2.Top();    //-=500;
886         if (bLks2) aXP[2].X()=aBewareRect2.Left();   //-=500;
887         if (bUnt2) aXP[2].Y()=aBewareRect2.Bottom(); //+=500;
888         if (pnQuality!=NULL) {
889             long nQ=Abs(aXP[1].X()-aXP[0].X())+Abs(aXP[1].Y()-aXP[0].Y());
890                 nQ+=Abs(aXP[2].X()-aXP[1].X())+Abs(aXP[2].Y()-aXP[1].Y());
891                 nQ+=Abs(aXP[3].X()-aXP[2].X())+Abs(aXP[3].Y()-aXP[2].Y());
892             *pnQuality=nQ;
893         }
894         if (bInfo) {
895             pInfo->nObj1Lines=2;
896             pInfo->nObj2Lines=2;
897             if (bHor1) {
898                 aXP[1].X()+=pInfo->aObj1Line2.X();
899             } else {
900                 aXP[1].Y()+=pInfo->aObj1Line2.Y();
901             }
902             if (bHor2) {
903                 aXP[2].X()+=pInfo->aObj2Line2.X();
904             } else {
905                 aXP[2].Y()+=pInfo->aObj2Line2.Y();
906             }
907         }
908         return aXP;
909     }
910     sal_uInt16 nIntersections=0;
911     FASTBOOL bForceMeeting=sal_False; // Muss die Linie durch den MeetingPoint laufen?
912     {
913         Point aC1(aBewareRect1.Center());
914         Point aC2(aBewareRect2.Center());
915         if (aBewareRect1.Left()<=aBewareRect2.Right() && aBewareRect1.Right()>=aBewareRect2.Left()) {
916             // Ueberschneidung auf der X-Achse
917             long n1=Max(aBewareRect1.Left(),aBewareRect2.Left());
918             long n2=Min(aBewareRect1.Right(),aBewareRect2.Right());
919             aMeeting.X()=(n1+n2+1)/2;
920         } else {
921             // Ansonsten den Mittelpunkt des Freiraums
922             if (aC1.X()<aC2.X()) {
923                 aMeeting.X()=(aBewareRect1.Right()+aBewareRect2.Left()+1)/2;
924             } else {
925                 aMeeting.X()=(aBewareRect1.Left()+aBewareRect2.Right()+1)/2;
926             }
927         }
928         if (aBewareRect1.Top()<=aBewareRect2.Bottom() && aBewareRect1.Bottom()>=aBewareRect2.Top()) {
929             // Ueberschneidung auf der Y-Achse
930             long n1=Max(aBewareRect1.Top(),aBewareRect2.Top());
931             long n2=Min(aBewareRect1.Bottom(),aBewareRect2.Bottom());
932             aMeeting.Y()=(n1+n2+1)/2;
933         } else {
934             // Ansonsten den Mittelpunkt des Freiraums
935             if (aC1.Y()<aC2.Y()) {
936                 aMeeting.Y()=(aBewareRect1.Bottom()+aBewareRect2.Top()+1)/2;
937             } else {
938                 aMeeting.Y()=(aBewareRect1.Top()+aBewareRect2.Bottom()+1)/2;
939             }
940         }
941         // Im Prinzip gibt es 3 zu unterscheidene Faelle:
942         //   1. Beide in die selbe Richtung
943         //   2. Beide in genau entgegengesetzte Richtungen
944         //   3. Einer waagerecht und der andere senkrecht
945         long nXMin=Min(aBewareRect1.Left(),aBewareRect2.Left());
946         long nXMax=Max(aBewareRect1.Right(),aBewareRect2.Right());
947         long nYMin=Min(aBewareRect1.Top(),aBewareRect2.Top());
948         long nYMax=Max(aBewareRect1.Bottom(),aBewareRect2.Bottom());
949         //int bBoundOverlap=aBoundRect1.Right()>aBoundRect2.Left() && aBoundRect1.Left()<aBoundRect2.Right() &&
950                                aBoundRect1.Bottom()>aBoundRect2.Top() && aBoundRect1.Top()<aBoundRect2.Bottom();
951         FASTBOOL bBewareOverlap=aBewareRect1.Right()>aBewareRect2.Left() && aBewareRect1.Left()<aBewareRect2.Right() &&
952                                 aBewareRect1.Bottom()>aBewareRect2.Top() && aBewareRect1.Top()<aBewareRect2.Bottom();
953         unsigned nMainCase=3;
954         if (nAngle1==nAngle2) nMainCase=1;
955         else if ((bHor1 && bHor2) || (bVer1 && bVer2)) nMainCase=2;
956         if (nMainCase==1) { // Fall 1: Beide in eine Richtung moeglich.
957             if (bVer1) aMeeting.X()=(aPt1.X()+aPt2.X()+1)/2; // ist hier besser, als der
958             if (bHor1) aMeeting.Y()=(aPt1.Y()+aPt2.Y()+1)/2; // Mittelpunkt des Freiraums
959             // bX1Ok bedeutet, dass die Vertikale, die aus Obj1 austritt, keinen Konflikt mit Obj2 bildet, ...
960             FASTBOOL bX1Ok=aPt1.X()<=aBewareRect2.Left() || aPt1.X()>=aBewareRect2.Right();
961             FASTBOOL bX2Ok=aPt2.X()<=aBewareRect1.Left() || aPt2.X()>=aBewareRect1.Right();
962             FASTBOOL bY1Ok=aPt1.Y()<=aBewareRect2.Top() || aPt1.Y()>=aBewareRect2.Bottom();
963             FASTBOOL bY2Ok=aPt2.Y()<=aBewareRect1.Top() || aPt2.Y()>=aBewareRect1.Bottom();
964             if (bLks1 && (bY1Ok || aBewareRect1.Left()<aBewareRect2.Right()) && (bY2Ok || aBewareRect2.Left()<aBewareRect1.Right())) {
965                 aMeeting.X()=nXMin;
966                 bMeetingXMid=sal_False;
967             }
968             if (bRts1 && (bY1Ok || aBewareRect1.Right()>aBewareRect2.Left()) && (bY2Ok || aBewareRect2.Right()>aBewareRect1.Left())) {
969                 aMeeting.X()=nXMax;
970                 bMeetingXMid=sal_False;
971             }
972             if (bObn1 && (bX1Ok || aBewareRect1.Top()<aBewareRect2.Bottom()) && (bX2Ok || aBewareRect2.Top()<aBewareRect1.Bottom())) {
973                 aMeeting.Y()=nYMin;
974                 bMeetingYMid=sal_False;
975             }
976             if (bUnt1 && (bX1Ok || aBewareRect1.Bottom()>aBewareRect2.Top()) && (bX2Ok || aBewareRect2.Bottom()>aBewareRect1.Top())) {
977                 aMeeting.Y()=nYMax;
978                 bMeetingYMid=sal_False;
979             }
980         } else if (nMainCase==2) {
981             // Fall 2:
982             bForceMeeting=sal_True;
983             if (bHor1) { // beide waagerecht
984                 /* 9 Moeglichkeiten:                   � � �                    */
985                 /*   2.1 Gegenueber, Ueberschneidung   � � �                    */
986                 /*       nur auf der Y-Achse           � � �                    */
987                 /*   2.2, 2.3 Gegenueber, vertikal versetzt. � � �   � � �      */
988                 /*            Ueberschneidung weder auf der  � � �   � � �      */
989                 /*            X- noch auf der Y-Achse        � � �   � � �      */
990                 /*   2.4, 2.5 Untereinander,   � � �   � � �                    */
991                 /*            Ueberschneidung  � � �   � � �                    */
992                 /*            nur auf X-Achse  � � �   � � �                    */
993                 /*   2.6, 2.7 Gegeneinander, vertikal versetzt. � � �   � � �   */
994                 /*            Ueberschneidung weder auf der     � � �   � � �   */
995                 /*            X- noch auf der Y-Achse.          � � �   � � �   */
996                 /*   2.8 Gegeneinander.       � � �                             */
997                 /*       Ueberschneidung nur  � � �                             */
998                 /*       auf der Y-Achse.     � � �                             */
999                 /*   2.9 Die BewareRects der Objekte ueberschneiden             */
1000                 /*       sich auf X- und Y-Achse.                               */
1001                 /* Die Faelle gelten entsprechend umgesetzt auch fuer           */
1002                 /* senkrechte Linienaustritte.                                  */
1003                 /* Die Faelle 2.1-2.7 werden mit dem Default-Meeting ausreichend*/
1004                 /* gut behandelt. Spezielle MeetingPoints werden hier also nur  */
1005                 /* fuer 2.8 und 2.9 bestimmt.                                   */
1006 
1007                 // Normalisierung. aR1 soll der nach rechts und
1008                 // aR2 der nach links austretende sein.
1009                 Rectangle aBewR1(bRts1 ? aBewareRect1 : aBewareRect2);
1010                 Rectangle aBewR2(bRts1 ? aBewareRect2 : aBewareRect1);
1011                 Rectangle aBndR1(bRts1 ? aBoundRect1 : aBoundRect2);
1012                 Rectangle aBndR2(bRts1 ? aBoundRect2 : aBoundRect1);
1013                 if (aBewR1.Bottom()>aBewR2.Top() && aBewR1.Top()<aBewR2.Bottom()) {
1014                     // Ueberschneidung auf der Y-Achse. Faelle 2.1, 2.8, 2.9
1015                     if (aBewR1.Right()>aBewR2.Left()) {
1016                         // Faelle 2.8, 2.9
1017                         // Fall 2.8 ist immer Aussenrumlauf (bDirect=sal_False).
1018                         // Fall 2.9 kann auch Direktverbindung sein (bei geringer
1019                         // Ueberschneidung der BewareRects ohne Ueberschneidung der
1020                         // Boundrects wenn die Linienaustritte sonst das BewareRect
1021                         // des jeweils anderen Objekts verletzen wuerden.
1022                         FASTBOOL bCase29Direct=sal_False;
1023                         FASTBOOL bCase29=aBewR1.Right()>aBewR2.Left();
1024                         if (aBndR1.Right()<=aBndR2.Left()) { // Fall 2.9 und keine Boundrectueberschneidung
1025                             if ((aPt1.Y()>aBewareRect2.Top() && aPt1.Y()<aBewareRect2.Bottom()) ||
1026                                 (aPt2.Y()>aBewareRect1.Top() && aPt2.Y()<aBewareRect1.Bottom())) {
1027                                bCase29Direct=sal_True;
1028                             }
1029                         }
1030                         if (!bCase29Direct) {
1031                             FASTBOOL bObenLang=Abs(nYMin-aMeeting.Y())<=Abs(nYMax-aMeeting.Y());
1032                             if (bObenLang) {
1033                                 aMeeting.Y()=nYMin;
1034                             } else {
1035                                 aMeeting.Y()=nYMax;
1036                             }
1037                             bMeetingYMid=sal_False;
1038                             if (bCase29) {
1039                                 // und nun noch dafuer sorgen, dass das
1040                                 // umzingelte Obj nicht durchquert wird
1041                                 if ((aBewR1.Center().Y()<aBewR2.Center().Y()) != bObenLang) {
1042                                     aMeeting.X()=aBewR2.Right();
1043                                 } else {
1044                                     aMeeting.X()=aBewR1.Left();
1045                                 }
1046                                 bMeetingXMid=sal_False;
1047                             }
1048                         } else {
1049                             // Direkte Verbindung (3-Linien Z-Verbindung), da
1050                             // Verletzung der BewareRects unvermeidlich ist.
1051                             // Via Dreisatz werden die BewareRects nun verkleinert.
1052                             long nWant1=aBewR1.Right()-aBndR1.Right(); // Abstand bei Obj1
1053                             long nWant2=aBndR2.Left()-aBewR2.Left();   // Abstand bei Obj2
1054                             long nSpace=aBndR2.Left()-aBndR1.Right(); // verfuegbarer Platz
1055                             long nGet1=BigMulDiv(nWant1,nSpace,nWant1+nWant2);
1056                             long nGet2=nSpace-nGet1;
1057                             if (bRts1) { // Normalisierung zurueckwandeln
1058                                 aBewareRect1.Right()+=nGet1-nWant1;
1059                                 aBewareRect2.Left()-=nGet2-nWant2;
1060                             } else {
1061                                 aBewareRect2.Right()+=nGet1-nWant1;
1062                                 aBewareRect1.Left()-=nGet2-nWant2;
1063                             }
1064                             nIntersections++; // Qualitaet herabsetzen
1065                         }
1066                     }
1067                 }
1068             } else if (bVer1) { // beide senkrecht
1069                 Rectangle aBewR1(bUnt1 ? aBewareRect1 : aBewareRect2);
1070                 Rectangle aBewR2(bUnt1 ? aBewareRect2 : aBewareRect1);
1071                 Rectangle aBndR1(bUnt1 ? aBoundRect1 : aBoundRect2);
1072                 Rectangle aBndR2(bUnt1 ? aBoundRect2 : aBoundRect1);
1073                 if (aBewR1.Right()>aBewR2.Left() && aBewR1.Left()<aBewR2.Right()) {
1074                     // Ueberschneidung auf der Y-Achse. Faelle 2.1, 2.8, 2.9
1075                     if (aBewR1.Bottom()>aBewR2.Top()) {
1076                         // Faelle 2.8, 2.9
1077                         // Fall 2.8 ist immer Aussenrumlauf (bDirect=sal_False).
1078                         // Fall 2.9 kann auch Direktverbindung sein (bei geringer
1079                         // Ueberschneidung der BewareRects ohne Ueberschneidung der
1080                         // Boundrects wenn die Linienaustritte sonst das BewareRect
1081                         // des jeweils anderen Objekts verletzen wuerden.
1082                         FASTBOOL bCase29Direct=sal_False;
1083                         FASTBOOL bCase29=aBewR1.Bottom()>aBewR2.Top();
1084                         if (aBndR1.Bottom()<=aBndR2.Top()) { // Fall 2.9 und keine Boundrectueberschneidung
1085                             if ((aPt1.X()>aBewareRect2.Left() && aPt1.X()<aBewareRect2.Right()) ||
1086                                 (aPt2.X()>aBewareRect1.Left() && aPt2.X()<aBewareRect1.Right())) {
1087                                bCase29Direct=sal_True;
1088                             }
1089                         }
1090                         if (!bCase29Direct) {
1091                             FASTBOOL bLinksLang=Abs(nXMin-aMeeting.X())<=Abs(nXMax-aMeeting.X());
1092                             if (bLinksLang) {
1093                                 aMeeting.X()=nXMin;
1094                             } else {
1095                                 aMeeting.X()=nXMax;
1096                             }
1097                             bMeetingXMid=sal_False;
1098                             if (bCase29) {
1099                                 // und nun noch dafuer sorgen, dass das
1100                                 // umzingelte Obj nicht durchquert wird
1101                                 if ((aBewR1.Center().X()<aBewR2.Center().X()) != bLinksLang) {
1102                                     aMeeting.Y()=aBewR2.Bottom();
1103                                 } else {
1104                                     aMeeting.Y()=aBewR1.Top();
1105                                 }
1106                                 bMeetingYMid=sal_False;
1107                             }
1108                         } else {
1109                             // Direkte Verbindung (3-Linien Z-Verbindung), da
1110                             // Verletzung der BewareRects unvermeidlich ist.
1111                             // Via Dreisatz werden die BewareRects nun verkleinert.
1112                             long nWant1=aBewR1.Bottom()-aBndR1.Bottom(); // Abstand bei Obj1
1113                             long nWant2=aBndR2.Top()-aBewR2.Top();   // Abstand bei Obj2
1114                             long nSpace=aBndR2.Top()-aBndR1.Bottom(); // verfuegbarer Platz
1115                             long nGet1=BigMulDiv(nWant1,nSpace,nWant1+nWant2);
1116                             long nGet2=nSpace-nGet1;
1117                             if (bUnt1) { // Normalisierung zurueckwandeln
1118                                 aBewareRect1.Bottom()+=nGet1-nWant1;
1119                                 aBewareRect2.Top()-=nGet2-nWant2;
1120                             } else {
1121                                 aBewareRect2.Bottom()+=nGet1-nWant1;
1122                                 aBewareRect1.Top()-=nGet2-nWant2;
1123                             }
1124                             nIntersections++; // Qualitaet herabsetzen
1125                         }
1126                     }
1127                 }
1128             }
1129         } else if (nMainCase==3) { // Fall 3: Einer waagerecht und der andere senkrecht. Sehr viele Fallunterscheidungen
1130             /* Kleine Legende: � � � � � -> Ohne Ueberschneidung, maximal Beruehrung.                   */
1131             /*                 � � � � � -> Ueberschneidung                                             */
1132             /*                 � � � � � -> Selbe Hoehe                                                 */
1133             /*                 � � � � � -> Ueberschneidung                                             */
1134             /*                 � � � � � -> Ohne Ueberschneidung, maximal Beruehrung.                   */
1135             /* Linienaustritte links �, rechts �, oben � und unten �.                                   */
1136             /* Insgesamt sind 96 Konstellationen moeglich, wobei einige nicht einmal                    */
1137             /* eindeutig einem Fall und damit einer Behandlungsmethode zugeordnet werden                */
1138             /* koennen.                                                                                 */
1139             /* 3.1: Hierzu moegen alle Konstellationen zaehlen, die durch den                           */
1140             /*      Default-MeetingPoint zufriedenstellend abgedeckt sind (20+12).                      */
1141             /*   � � � � �    � � � � �   Diese 12  � � � � �    � � � � �    � � � � �    � � � � �    */
1142             /*   � � � � �    � � � � �   Konstel.  � � � � �    � � � � �    � � � � �    � � � � �    */
1143             /*   � � � � �    � � � � �   jedoch    � � � � �    � � � � �    � � � � �    � � � � �    */
1144             /*   � � � � �    � � � � �   nur zum   � � � � �    � � � � �    � � � � �    � � � � �    */
1145             /*   � � � � �    � � � � �   Teil:     � � � � �    � � � � �    � � � � �    � � � � �    */
1146             /*   Letztere 16 Faelle scheiden aus, sobald sich die Objekte offen                         */
1147             /*   gegenueberstehen (siehe Fall 3.2).                                                     */
1148             /* 3.2: Die Objekte stehen sich offen gegenueber und somit ist eine                         */
1149             /*      Verbindung mit lediglich 2 Linien moeglich (4+20).                                  */
1150             /*      Dieser Fall hat 1. Prioritaet.                                                      */
1151             /*   � � � � �   � � � � �   Diese 20  � � � � �   � � � � �   � � � � �   � � � � �        */
1152             /*   � � � � �   � � � � �   Konstel.  � � � � �   � � � � �   � � � � �   � � � � �        */
1153             /*   � � � � �   � � � � �   jedoch    � � � � �   � � � � �   � � � � �   � � � � �        */
1154             /*   � � � � �   � � � � �   nur zum   � � � � �   � � � � �   � � � � �   � � � � �        */
1155             /*   � � � � �   � � � � �   Teil:     � � � � �   � � � � �   � � � � �   � � � � �        */
1156             /* 3.3: Die Linienaustritte zeigen vom anderen Objekt weg bzw. hinter                       */
1157             /*      dessen Ruecken vorbei (52+4).                                                       */
1158             /*   � � � � �   � � � � �   � � � � �   � � � � �   Diese 4   � � � � �   � � � � �        */
1159             /*   � � � � �   � � � � �   � � � � �   � � � � �   Konstel.  � � � � �   � � � � �        */
1160             /*   � � � � �   � � � � �   � � � � �   � � � � �   jedoch    � � � � �   � � � � �        */
1161             /*   � � � � �   � � � � �   � � � � �   � � � � �   nur zum   � � � � �   � � � � �        */
1162             /*   � � � � �   � � � � �   � � � � �   � � � � �   Teil:     � � � � �   � � � � �        */
1163 
1164             // Fall 3.2
1165             Rectangle aTmpR1(aBewareRect1);
1166             Rectangle aTmpR2(aBewareRect2);
1167             if (bBewareOverlap) {
1168                 // Ueberschneidung der BewareRects: BoundRects fuer Check auf Fall 3.2 verwenden.
1169                 aTmpR1=aBoundRect1;
1170                 aTmpR2=aBoundRect2;
1171             }
1172             if ((((bRts1 && aTmpR1.Right ()<=aPt2.X()) || (bLks1 && aTmpR1.Left()>=aPt2.X())) &&
1173                  ((bUnt2 && aTmpR2.Bottom()<=aPt1.Y()) || (bObn2 && aTmpR2.Top ()>=aPt1.Y()))) ||
1174                 (((bRts2 && aTmpR2.Right ()<=aPt1.X()) || (bLks2 && aTmpR2.Left()>=aPt1.X())) &&
1175                  ((bUnt1 && aTmpR1.Bottom()<=aPt2.Y()) || (bObn1 && aTmpR1.Top ()>=aPt2.Y())))) {
1176                 // Fall 3.2 trifft zu: Verbindung mit lediglich 2 Linien
1177                 bForceMeeting=sal_True;
1178                 bMeetingXMid=sal_False;
1179                 bMeetingYMid=sal_False;
1180                 if (bHor1) {
1181                     aMeeting.X()=aPt2.X();
1182                     aMeeting.Y()=aPt1.Y();
1183                 } else {
1184                     aMeeting.X()=aPt1.X();
1185                     aMeeting.Y()=aPt2.Y();
1186                 }
1187                 // Falls Ueberschneidung der BewareRects:
1188                 aBewareRect1=aTmpR1;
1189                 aBewareRect2=aTmpR2;
1190             } else if ((((bRts1 && aBewareRect1.Right ()>aBewareRect2.Left  ()) ||
1191                          (bLks1 && aBewareRect1.Left  ()<aBewareRect2.Right ())) &&
1192                         ((bUnt2 && aBewareRect2.Bottom()>aBewareRect1.Top   ()) ||
1193                          (bObn2 && aBewareRect2.Top   ()<aBewareRect1.Bottom()))) ||
1194                        (((bRts2 && aBewareRect2.Right ()>aBewareRect1.Left  ()) ||
1195                          (bLks2 && aBewareRect2.Left  ()<aBewareRect1.Right ())) &&
1196                         ((bUnt1 && aBewareRect1.Bottom()>aBewareRect2.Top   ()) ||
1197                          (bObn1 && aBewareRect1.Top   ()<aBewareRect2.Bottom())))) {
1198                 // Fall 3.3
1199                 bForceMeeting=sal_True;
1200                 if (bRts1 || bRts2) { aMeeting.X()=nXMax; bMeetingXMid=sal_False; }
1201                 if (bLks1 || bLks2) { aMeeting.X()=nXMin; bMeetingXMid=sal_False; }
1202                 if (bUnt1 || bUnt2) { aMeeting.Y()=nYMax; bMeetingYMid=sal_False; }
1203                 if (bObn1 || bObn2) { aMeeting.Y()=nYMin; bMeetingYMid=sal_False; }
1204             }
1205         }
1206     }
1207 
1208     XPolygon aXP1(ImpCalcObjToCenter(aPt1,nAngle1,aBewareRect1,aMeeting));
1209     XPolygon aXP2(ImpCalcObjToCenter(aPt2,nAngle2,aBewareRect2,aMeeting));
1210     sal_uInt16 nXP1Anz=aXP1.GetPointCount();
1211     sal_uInt16 nXP2Anz=aXP2.GetPointCount();
1212     if (bInfo) {
1213         pInfo->nObj1Lines=nXP1Anz; if (nXP1Anz>1) pInfo->nObj1Lines--;
1214         pInfo->nObj2Lines=nXP2Anz; if (nXP2Anz>1) pInfo->nObj2Lines--;
1215     }
1216     Point aEP1(aXP1[nXP1Anz-1]);
1217     Point aEP2(aXP2[nXP2Anz-1]);
1218     FASTBOOL bInsMeetingPoint=aEP1.X()!=aEP2.X() && aEP1.Y()!=aEP2.Y();
1219     FASTBOOL bHorzE1=aEP1.Y()==aXP1[nXP1Anz-2].Y(); // letzte Linie von XP1 horizontal?
1220     FASTBOOL bHorzE2=aEP2.Y()==aXP2[nXP2Anz-2].Y(); // letzte Linie von XP2 horizontal?
1221     if (aEP1==aEP2 && (bHorzE1 && bHorzE2 && aEP1.Y()==aEP2.Y()) || (!bHorzE1 && !bHorzE2 && aEP1.X()==aEP2.X())) {
1222         // Sonderbehandlung fuer 'I'-Verbinder
1223         nXP1Anz--; aXP1.Remove(nXP1Anz,1);
1224         nXP2Anz--; aXP2.Remove(nXP2Anz,1);
1225         bMeetingXMid=sal_False;
1226         bMeetingYMid=sal_False;
1227     }
1228     if (bInsMeetingPoint) {
1229         aXP1.Insert(XPOLY_APPEND,aMeeting,XPOLY_NORMAL);
1230         if (bInfo) {
1231             // Durch einfuegen des MeetingPoints kommen 2 weitere Linie hinzu.
1232             // Evtl. wird eine von diesen die Mittellinie.
1233             if (pInfo->nObj1Lines==pInfo->nObj2Lines) {
1234                 pInfo->nObj1Lines++;
1235                 pInfo->nObj2Lines++;
1236             } else {
1237                 if (pInfo->nObj1Lines>pInfo->nObj2Lines) {
1238                     pInfo->nObj2Lines++;
1239                     pInfo->nMiddleLine=nXP1Anz-1;
1240                 } else {
1241                     pInfo->nObj1Lines++;
1242                     pInfo->nMiddleLine=nXP1Anz;
1243                 }
1244             }
1245         }
1246     } else if (bInfo && aEP1!=aEP2 && nXP1Anz+nXP2Anz>=4) {
1247         // Durch Verbinden der beiden Enden kommt eine weitere Linie hinzu.
1248         // Dies wird die Mittellinie.
1249         pInfo->nMiddleLine=nXP1Anz-1;
1250     }
1251     sal_uInt16 nNum=aXP2.GetPointCount();
1252     if (aXP1[nXP1Anz-1]==aXP2[nXP2Anz-1] && nXP1Anz>1 && nXP2Anz>1) nNum--;
1253     while (nNum>0) {
1254         nNum--;
1255         aXP1.Insert(XPOLY_APPEND,aXP2[nNum],XPOLY_NORMAL);
1256     }
1257     sal_uInt16 nPntAnz=aXP1.GetPointCount();
1258     char cForm=0;
1259     if (bInfo || pnQuality!=NULL) {
1260         cForm='?';
1261         if (nPntAnz==2) cForm='I';
1262         else if (nPntAnz==3) cForm='L';
1263         else if (nPntAnz==4) { // Z oder U
1264             if (nAngle1==nAngle2) cForm='U';
1265             else cForm='Z';
1266         } else if (nPntAnz==4) { /* �-�  �-�  */
1267             /* ...                 -�     -�  */
1268         } else if (nPntAnz==6) { // S oder C oder ...
1269             if (nAngle1!=nAngle2) {
1270                 // Fuer Typ S hat Linie2 dieselbe Richtung wie Linie4.
1271                 // Bei Typ C sind die beiden genau entgegengesetzt.
1272                 Point aP1(aXP1[1]);
1273                 Point aP2(aXP1[2]);
1274                 Point aP3(aXP1[3]);
1275                 Point aP4(aXP1[4]);
1276                 if (aP1.Y()==aP2.Y()) { // beide Linien Horz
1277                     if ((aP1.X()<aP2.X())==(aP3.X()<aP4.X())) cForm='S';
1278                     else cForm='C';
1279                 } else { // sonst beide Linien Vert
1280                     if ((aP1.Y()<aP2.Y())==(aP3.Y()<aP4.Y())) cForm='S';
1281                     else cForm='C';
1282                 }
1283             } else cForm='4'; // sonst der 3. Fall mit 5 Linien
1284         } else cForm='?';  //
1285         // Weitere Formen:
1286         if (bInfo) {
1287             pInfo->cOrthoForm=cForm;
1288             if (cForm=='I' || cForm=='L' || cForm=='Z' || cForm=='U') {
1289                 pInfo->nObj1Lines=1;
1290                 pInfo->nObj2Lines=1;
1291                 if (cForm=='Z' || cForm=='U') {
1292                     pInfo->nMiddleLine=1;
1293                 } else {
1294                     pInfo->nMiddleLine=0xFFFF;
1295                 }
1296             } else if (cForm=='S' || cForm=='C') {
1297                 pInfo->nObj1Lines=2;
1298                 pInfo->nObj2Lines=2;
1299                 pInfo->nMiddleLine=2;
1300             }
1301         }
1302     }
1303     if (pnQuality!=NULL) {
1304         sal_uIntPtr nQual=0;
1305         sal_uIntPtr nQual0=nQual; // Ueberlaeufe vorbeugen
1306         FASTBOOL bOverflow=sal_False;
1307         Point aPt0(aXP1[0]);
1308         for (sal_uInt16 nPntNum=1; nPntNum<nPntAnz; nPntNum++) {
1309             Point aPt1b(aXP1[nPntNum]);
1310             nQual+=Abs(aPt1b.X()-aPt0.X())+Abs(aPt1b.Y()-aPt0.Y());
1311             if (nQual<nQual0) bOverflow=sal_True;
1312             nQual0=nQual;
1313             aPt0=aPt1b;
1314         }
1315 
1316         sal_uInt16 nTmp=nPntAnz;
1317         if (cForm=='Z') {
1318             nTmp=2; // Z-Form hat gute Qualitaet (nTmp=2 statt 4)
1319             sal_uIntPtr n1=Abs(aXP1[1].X()-aXP1[0].X())+Abs(aXP1[1].Y()-aXP1[0].Y());
1320             sal_uIntPtr n2=Abs(aXP1[2].X()-aXP1[1].X())+Abs(aXP1[2].Y()-aXP1[1].Y());
1321             sal_uIntPtr n3=Abs(aXP1[3].X()-aXP1[2].X())+Abs(aXP1[3].Y()-aXP1[2].Y());
1322             // fuer moeglichst gleichlange Linien sorgen
1323             sal_uIntPtr nBesser=0;
1324             n1+=n3;
1325             n3=n2/4;
1326             if (n1>=n2) nBesser=6;
1327             else if (n1>=3*n3) nBesser=4;
1328             else if (n1>=2*n3) nBesser=2;
1329             if (aXP1[0].Y()!=aXP1[1].Y()) nBesser++; // Senkrechte Startlinie kriegt auch noch einen Pluspunkt (fuer H/V-Prio)
1330             if (nQual>nBesser) nQual-=nBesser; else nQual=0;
1331         }
1332         if (nTmp>=3) {
1333             nQual0=nQual;
1334             nQual+=(sal_uIntPtr)nTmp*0x01000000;
1335             if (nQual<nQual0 || nTmp>15) bOverflow=sal_True;
1336         }
1337         if (nPntAnz>=2) { // Austrittswinkel nochmal pruefen
1338             Point aP1(aXP1[1]); aP1-=aXP1[0];
1339             Point aP2(aXP1[nPntAnz-2]); aP2-=aXP1[nPntAnz-1];
1340             long nAng1=0; if (aP1.X()<0) nAng1=18000; if (aP1.Y()>0) nAng1=27000;
1341             if (aP1.Y()<0) nAng1=9000; if (aP1.X()!=0 && aP1.Y()!=0) nAng1=1; // Schraeg!?!
1342             long nAng2=0; if (aP2.X()<0) nAng2=18000; if (aP2.Y()>0) nAng2=27000;
1343             if (aP2.Y()<0) nAng2=9000; if (aP2.X()!=0 && aP2.Y()!=0) nAng2=1; // Schraeg!?!
1344             if (nAng1!=nAngle1) nIntersections++;
1345             if (nAng2!=nAngle2) nIntersections++;
1346         }
1347 
1348         // Fuer den Qualitaetscheck wieder die Original-Rects verwenden und
1349         // gleichzeitig checken, ob eins fuer die Edge-Berechnung verkleinert
1350         // wurde (z.B. Fall 2.9)
1351         aBewareRect1=rBewareRect1;
1352         aBewareRect2=rBewareRect2;
1353 
1354         for (sal_uInt16 i=0; i<nPntAnz; i++) {
1355             Point aPt1b(aXP1[i]);
1356             FASTBOOL b1=aPt1b.X()>aBewareRect1.Left() && aPt1b.X()<aBewareRect1.Right() &&
1357                         aPt1b.Y()>aBewareRect1.Top() && aPt1b.Y()<aBewareRect1.Bottom();
1358             FASTBOOL b2=aPt1b.X()>aBewareRect2.Left() && aPt1b.X()<aBewareRect2.Right() &&
1359                         aPt1b.Y()>aBewareRect2.Top() && aPt1b.Y()<aBewareRect2.Bottom();
1360             sal_uInt16 nInt0=nIntersections;
1361             if (i==0 || i==nPntAnz-1) {
1362                 if (b1 && b2) nIntersections++;
1363             } else {
1364                 if (b1) nIntersections++;
1365                 if (b2) nIntersections++;
1366             }
1367             // und nun noch auf Ueberschneidungen checken
1368             if (i>0 && nInt0==nIntersections) {
1369                 if (aPt0.Y()==aPt1b.Y()) { // Horizontale Linie
1370                     if (aPt0.Y()>aBewareRect1.Top() && aPt0.Y()<aBewareRect1.Bottom() &&
1371                         ((aPt0.X()<=aBewareRect1.Left() && aPt1b.X()>=aBewareRect1.Right()) ||
1372                          (aPt1b.X()<=aBewareRect1.Left() && aPt0.X()>=aBewareRect1.Right()))) nIntersections++;
1373                     if (aPt0.Y()>aBewareRect2.Top() && aPt0.Y()<aBewareRect2.Bottom() &&
1374                         ((aPt0.X()<=aBewareRect2.Left() && aPt1b.X()>=aBewareRect2.Right()) ||
1375                          (aPt1b.X()<=aBewareRect2.Left() && aPt0.X()>=aBewareRect2.Right()))) nIntersections++;
1376                 } else { // Vertikale Linie
1377                     if (aPt0.X()>aBewareRect1.Left() && aPt0.X()<aBewareRect1.Right() &&
1378                         ((aPt0.Y()<=aBewareRect1.Top() && aPt1b.Y()>=aBewareRect1.Bottom()) ||
1379                          (aPt1b.Y()<=aBewareRect1.Top() && aPt0.Y()>=aBewareRect1.Bottom()))) nIntersections++;
1380                     if (aPt0.X()>aBewareRect2.Left() && aPt0.X()<aBewareRect2.Right() &&
1381                         ((aPt0.Y()<=aBewareRect2.Top() && aPt1b.Y()>=aBewareRect2.Bottom()) ||
1382                          (aPt1b.Y()<=aBewareRect2.Top() && aPt0.Y()>=aBewareRect2.Bottom()))) nIntersections++;
1383                 }
1384             }
1385             aPt0=aPt1b;
1386         }
1387         if (nPntAnz<=1) nIntersections++;
1388         nQual0=nQual;
1389         nQual+=(sal_uIntPtr)nIntersections*0x10000000;
1390         if (nQual<nQual0 || nIntersections>15) bOverflow=sal_True;
1391 
1392         if (bOverflow || nQual==0xFFFFFFFF) nQual=0xFFFFFFFE;
1393         *pnQuality=nQual;
1394     }
1395     if (bInfo) { // nun die Linienversaetze auf aXP1 anwenden
1396         if (pInfo->nMiddleLine!=0xFFFF) {
1397             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(MIDDLELINE,aXP1);
1398             if (pInfo->ImpIsHorzLine(MIDDLELINE,aXP1)) {
1399                 aXP1[nIdx].Y()+=pInfo->aMiddleLine.Y();
1400                 aXP1[nIdx+1].Y()+=pInfo->aMiddleLine.Y();
1401             } else {
1402                 aXP1[nIdx].X()+=pInfo->aMiddleLine.X();
1403                 aXP1[nIdx+1].X()+=pInfo->aMiddleLine.X();
1404             }
1405         }
1406         if (pInfo->nObj1Lines>=2) {
1407             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ1LINE2,aXP1);
1408             if (pInfo->ImpIsHorzLine(OBJ1LINE2,aXP1)) {
1409                 aXP1[nIdx].Y()+=pInfo->aObj1Line2.Y();
1410                 aXP1[nIdx+1].Y()+=pInfo->aObj1Line2.Y();
1411             } else {
1412                 aXP1[nIdx].X()+=pInfo->aObj1Line2.X();
1413                 aXP1[nIdx+1].X()+=pInfo->aObj1Line2.X();
1414             }
1415         }
1416         if (pInfo->nObj1Lines>=3) {
1417             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ1LINE3,aXP1);
1418             if (pInfo->ImpIsHorzLine(OBJ1LINE3,aXP1)) {
1419                 aXP1[nIdx].Y()+=pInfo->aObj1Line3.Y();
1420                 aXP1[nIdx+1].Y()+=pInfo->aObj1Line3.Y();
1421             } else {
1422                 aXP1[nIdx].X()+=pInfo->aObj1Line3.X();
1423                 aXP1[nIdx+1].X()+=pInfo->aObj1Line3.X();
1424             }
1425         }
1426         if (pInfo->nObj2Lines>=2) {
1427             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ2LINE2,aXP1);
1428             if (pInfo->ImpIsHorzLine(OBJ2LINE2,aXP1)) {
1429                 aXP1[nIdx].Y()+=pInfo->aObj2Line2.Y();
1430                 aXP1[nIdx+1].Y()+=pInfo->aObj2Line2.Y();
1431             } else {
1432                 aXP1[nIdx].X()+=pInfo->aObj2Line2.X();
1433                 aXP1[nIdx+1].X()+=pInfo->aObj2Line2.X();
1434             }
1435         }
1436         if (pInfo->nObj2Lines>=3) {
1437             sal_uInt16 nIdx=pInfo->ImpGetPolyIdx(OBJ2LINE3,aXP1);
1438             if (pInfo->ImpIsHorzLine(OBJ2LINE3,aXP1)) {
1439                 aXP1[nIdx].Y()+=pInfo->aObj2Line3.Y();
1440                 aXP1[nIdx+1].Y()+=pInfo->aObj2Line3.Y();
1441             } else {
1442                 aXP1[nIdx].X()+=pInfo->aObj2Line3.X();
1443                 aXP1[nIdx+1].X()+=pInfo->aObj2Line3.X();
1444             }
1445         }
1446     }
1447     // Nun mache ich ggf. aus dem Verbinder eine Bezierkurve
1448     if (eKind==SDREDGE_BEZIER && nPntAnz>2) {
1449         Point* pPt1=&aXP1[0];
1450         Point* pPt2=&aXP1[1];
1451         Point* pPt3=&aXP1[nPntAnz-2];
1452         Point* pPt4=&aXP1[nPntAnz-1];
1453         long dx1=pPt2->X()-pPt1->X();
1454         long dy1=pPt2->Y()-pPt1->Y();
1455         long dx2=pPt3->X()-pPt4->X();
1456         long dy2=pPt3->Y()-pPt4->Y();
1457         if (cForm=='L') { // nPntAnz==3
1458             aXP1.SetFlags(1,XPOLY_CONTROL);
1459             Point aPt3(*pPt2);
1460             aXP1.Insert(2,aPt3,XPOLY_CONTROL);
1461             nPntAnz=aXP1.GetPointCount();
1462             pPt1=&aXP1[0];
1463             pPt2=&aXP1[1];
1464             pPt3=&aXP1[nPntAnz-2];
1465             pPt4=&aXP1[nPntAnz-1];
1466             pPt2->X()-=dx1/3;
1467             pPt2->Y()-=dy1/3;
1468             pPt3->X()-=dx2/3;
1469             pPt3->Y()-=dy2/3;
1470         } else if (nPntAnz>=4 && nPntAnz<=6) { // Z oder U oder ...
1471             // fuer Alle Anderen werden die Endpunkte der Ausgangslinien
1472             // erstmal zu Kontrollpunkten. Bei nPntAnz>4 ist also noch
1473             // Nacharbeit erforderlich!
1474             aXP1.SetFlags(1,XPOLY_CONTROL);
1475             aXP1.SetFlags(nPntAnz-2,XPOLY_CONTROL);
1476             // Distanz x1.5
1477             pPt2->X()+=dx1/2;
1478             pPt2->Y()+=dy1/2;
1479             pPt3->X()+=dx2/2;
1480             pPt3->Y()+=dy2/2;
1481             if (nPntAnz==5) {
1482                 // Vor und hinter dem Mittelpunkt jeweils
1483                 // noch einen Kontrollpunkt einfuegen
1484                 Point aCenter(aXP1[2]);
1485                 long dx1b=aCenter.X()-aXP1[1].X();
1486                 long dy1b=aCenter.Y()-aXP1[1].Y();
1487                 long dx2b=aCenter.X()-aXP1[3].X();
1488                 long dy2b=aCenter.Y()-aXP1[3].Y();
1489                 aXP1.Insert(2,aCenter,XPOLY_CONTROL);
1490                 aXP1.SetFlags(3,XPOLY_SYMMTR);
1491                 aXP1.Insert(4,aCenter,XPOLY_CONTROL);
1492                 aXP1[2].X()-=dx1b/2;
1493                 aXP1[2].Y()-=dy1b/2;
1494                 aXP1[3].X()-=(dx1b+dx2b)/4;
1495                 aXP1[3].Y()-=(dy1b+dy2b)/4;
1496                 aXP1[4].X()-=dx2b/2;
1497                 aXP1[4].Y()-=dy2b/2;
1498             }
1499             if (nPntAnz==6) {
1500                 Point aPt1b(aXP1[2]);
1501                 Point aPt2b(aXP1[3]);
1502                 aXP1.Insert(2,aPt1b,XPOLY_CONTROL);
1503                 aXP1.Insert(5,aPt2b,XPOLY_CONTROL);
1504                 long dx=aPt1b.X()-aPt2b.X();
1505                 long dy=aPt1b.Y()-aPt2b.Y();
1506                 aXP1[3].X()-=dx/2;
1507                 aXP1[3].Y()-=dy/2;
1508                 aXP1.SetFlags(3,XPOLY_SYMMTR);
1509                 //aXP1[4].X()+=dx/2;
1510                 //aXP1[4].Y()+=dy/2;
1511                 aXP1.Remove(4,1); // weil identisch mit aXP1[3]
1512             }
1513         }
1514     }
1515     return aXP1;
1516 }
1517 
1518 /*
1519 Nach einer einfachen Rechnung koennte es max. 64 unterschiedliche Verlaeufe mit
1520 5 Linien, 32 mit 4 Linien, 16 mit 3, 8 mit 2 Linien und 4 mit 1 Linie geben=124.
1521 Normalisiert auf 1. Austrittswinkel nach rechts bleiben dann noch 31.
1522 Dann noch eine vertikale Spiegelung wegnormalisiert bleiben noch 16
1523 characteristische Verlaufszuege mit 1-5 Linien:
1524 Mit 1 Linie (Typ 'I'):  --
1525 Mit 2 Linien (Typ 'L'): -�
1526 Mit 3 Linien (Typ 'U'):  -�  (Typ 'Z'):  �-
1527                          -�             -�
1528 Mit 4 Linien: 1 ist nicht plausibel, 3 ist=2 (90deg Drehung). Verbleibt 2,4
1529      �-�  ڿ  ��  ڿ                               ڿ  �-�
1530     -�   -�   -�  -�                              -�    -�
1531 Mit 5 Linien: nicht plausibel sind 1,2,4,5. 7 ist identisch mit 3 (Richtungsumkehr)
1532               Bleibt also 3,6 und 8.              '4'  'S'  'C'
1533        �    �             -�   �-  �-�                  �-
1534      �-�  �-�  �-�   �-�   ��  �� -� � �-�         �-�  ��  �-�
1535     -�   -�   -� �  -� �-  -�  -�  --� � �        -� �  -�  � �
1536 Insgesamt sind also 9 Grundtypen zu unterscheiden die den 400 Konstellationen
1537 aus Objektposition und Austrittswinkeln zuzuordnen sind.
1538 4 der 9 Grundtypen haben eine 'Mittellinie'. Die Anzahl der zu Objektabstaende
1539 je Objekt variiert von 0-3:
1540      Mi   O1   O2   Anmerkung
1541 'I':  n   0    0
1542 'L':  n   0    0
1543 'U':  n  0-1  0-1
1544 'Z':  j   0    0
1545 4.1:  j   0    1    = U+1 bzw. 1+U
1546 4.2:  n  0-2  0-2   = Z+1
1547 '4':  j   0    2    = Z+2
1548 'S':  j   1    1    = 1+Z+1
1549 'C':  n  0-3  0-3   = 1+U+1
1550 */
1551 
1552 void __EXPORT SdrEdgeObj::Notify(SfxBroadcaster& rBC, const SfxHint& rHint)
1553 {
1554     SfxSimpleHint* pSimple=PTR_CAST(SfxSimpleHint,&rHint);
1555     sal_uIntPtr nId=pSimple==0 ? 0 : pSimple->GetId();
1556     FASTBOOL bDataChg=nId==SFX_HINT_DATACHANGED;
1557     FASTBOOL bDying=nId==SFX_HINT_DYING;
1558     FASTBOOL bObj1=aCon1.pObj!=NULL && aCon1.pObj->GetBroadcaster()==&rBC;
1559     FASTBOOL bObj2=aCon2.pObj!=NULL && aCon2.pObj->GetBroadcaster()==&rBC;
1560     if (bDying && (bObj1 || bObj2)) {
1561         // #35605# Dying vorher abfangen, damit AttrObj nicht
1562         // wg. vermeintlicher Vorlagenaenderung rumbroadcastet
1563         if (bObj1) aCon1.pObj=NULL;
1564         if (bObj2) aCon2.pObj=NULL;
1565         return; // Und mehr braucht hier nicht getan werden.
1566     }
1567     if ( bObj1 || bObj2 )
1568     {
1569         bEdgeTrackUserDefined = sal_False;
1570     }
1571     SdrTextObj::Notify(rBC,rHint);
1572     if (nNotifyingCount==0) { // Hier nun auch ein VerriegelungsFlag
1573         ((SdrEdgeObj*)this)->nNotifyingCount++;
1574         SdrHint* pSdrHint=PTR_CAST(SdrHint,&rHint);
1575         if (bDataChg) { // StyleSheet geaendert
1576             ImpSetAttrToEdgeInfo(); // Werte bei Vorlagenaenderung vom Pool nach aEdgeInfo kopieren
1577         }
1578         if (bDataChg                                ||
1579             (bObj1 && aCon1.pObj->GetPage()==pPage) ||
1580             (bObj2 && aCon2.pObj->GetPage()==pPage) ||
1581             (pSdrHint && pSdrHint->GetKind()==HINT_OBJREMOVED))
1582         {
1583             // Broadcasting nur, wenn auf der selben Page
1584             Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetLastBoundRect();
1585             // #110094#-14 if (!bEdgeTrackDirty) SendRepaintBroadcast();
1586             ImpDirtyEdgeTrack();
1587 
1588             // only redraw here, no objectchange
1589             ActionChanged();
1590             // BroadcastObjectChange();
1591 
1592             SendUserCall(SDRUSERCALL_RESIZE,aBoundRect0);
1593         }
1594         ((SdrEdgeObj*)this)->nNotifyingCount--;
1595     }
1596 }
1597 
1598 /** updates edges that are connected to the edges of this object
1599     as if the connected objects send a repaint broadcast
1600     #103122#
1601 */
1602 void SdrEdgeObj::Reformat()
1603 {
1604     if( NULL != aCon1.pObj )
1605     {
1606         SfxSimpleHint aHint( SFX_HINT_DATACHANGED );
1607         Notify( *const_cast<SfxBroadcaster*>(aCon1.pObj->GetBroadcaster()), aHint );
1608     }
1609 
1610     if( NULL != aCon2.pObj )
1611     {
1612         SfxSimpleHint aHint( SFX_HINT_DATACHANGED );
1613         Notify( *const_cast<SfxBroadcaster*>(aCon2.pObj->GetBroadcaster()), aHint );
1614     }
1615 }
1616 
1617 void SdrEdgeObj::operator=(const SdrObject& rObj)
1618 {
1619     SdrTextObj::operator=(rObj);
1620     *pEdgeTrack    =*((SdrEdgeObj&)rObj).pEdgeTrack;
1621     bEdgeTrackDirty=((SdrEdgeObj&)rObj).bEdgeTrackDirty;
1622     aCon1          =((SdrEdgeObj&)rObj).aCon1;
1623     aCon2          =((SdrEdgeObj&)rObj).aCon2;
1624     aCon1.pObj=NULL;
1625     aCon2.pObj=NULL;
1626     aEdgeInfo=((SdrEdgeObj&)rObj).aEdgeInfo;
1627 }
1628 
1629 void SdrEdgeObj::TakeObjNameSingul(XubString& rName) const
1630 {
1631     rName=ImpGetResStr(STR_ObjNameSingulEDGE);
1632 
1633     String aName( GetName() );
1634     if(aName.Len())
1635     {
1636         rName += sal_Unicode(' ');
1637         rName += sal_Unicode('\'');
1638         rName += aName;
1639         rName += sal_Unicode('\'');
1640     }
1641 }
1642 
1643 void SdrEdgeObj::TakeObjNamePlural(XubString& rName) const
1644 {
1645     rName=ImpGetResStr(STR_ObjNamePluralEDGE);
1646 }
1647 
1648 basegfx::B2DPolyPolygon SdrEdgeObj::TakeXorPoly() const
1649 {
1650     basegfx::B2DPolyPolygon aPolyPolygon;
1651 
1652     if (bEdgeTrackDirty)
1653     {
1654         ((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
1655     }
1656 
1657     if(pEdgeTrack)
1658     {
1659         aPolyPolygon.append(pEdgeTrack->getB2DPolygon());
1660     }
1661 
1662     return aPolyPolygon;
1663 }
1664 
1665 void SdrEdgeObj::SetEdgeTrackPath( const basegfx::B2DPolyPolygon& rPoly )
1666 {
1667     if ( !rPoly.count() )
1668     {
1669         bEdgeTrackDirty = sal_True;
1670         bEdgeTrackUserDefined = sal_False;
1671     }
1672     else
1673     {
1674         *pEdgeTrack = XPolygon( rPoly.getB2DPolygon( 0 ) );
1675         bEdgeTrackDirty = sal_False;
1676         bEdgeTrackUserDefined = sal_True;
1677 
1678         // #i110629# also set aRect and maSnapeRect dependent from pEdgeTrack
1679         const Rectangle aPolygonBounds(pEdgeTrack->GetBoundRect());
1680         aRect = aPolygonBounds;
1681         maSnapRect = aPolygonBounds;
1682     }
1683 }
1684 
1685 basegfx::B2DPolyPolygon SdrEdgeObj::GetEdgeTrackPath() const
1686 {
1687     basegfx::B2DPolyPolygon aPolyPolygon;
1688 
1689     if (bEdgeTrackDirty)
1690         ((SdrEdgeObj*)this)->ImpRecalcEdgeTrack();
1691 
1692     aPolyPolygon.append( pEdgeTrack->getB2DPolygon() );
1693 
1694     return aPolyPolygon;
1695 }
1696 
1697 sal_uInt32 SdrEdgeObj::GetHdlCount() const
1698 {
1699     SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
1700     sal_uInt32 nHdlAnz(0L);
1701     sal_uInt32 nPntAnz(pEdgeTrack->GetPointCount());
1702 
1703     if(nPntAnz)
1704     {
1705         nHdlAnz = 2L;
1706 
1707         if ((eKind==SDREDGE_ORTHOLINES || eKind==SDREDGE_BEZIER) && nPntAnz >= 4L)
1708         {
1709             sal_uInt32 nO1(aEdgeInfo.nObj1Lines > 0L ? aEdgeInfo.nObj1Lines - 1L : 0L);
1710             sal_uInt32 nO2(aEdgeInfo.nObj2Lines > 0L ? aEdgeInfo.nObj2Lines - 1L : 0L);
1711             sal_uInt32 nM(aEdgeInfo.nMiddleLine != 0xFFFF ? 1L : 0L);
1712             nHdlAnz += nO1 + nO2 + nM;
1713         }
1714         else if (eKind==SDREDGE_THREELINES && nPntAnz == 4L)
1715         {
1716             if(GetConnectedNode(sal_True))
1717                 nHdlAnz++;
1718 
1719             if(GetConnectedNode(sal_False))
1720                 nHdlAnz++;
1721         }
1722     }
1723 
1724     return nHdlAnz;
1725 }
1726 
1727 SdrHdl* SdrEdgeObj::GetHdl(sal_uInt32 nHdlNum) const
1728 {
1729     SdrHdl* pHdl=NULL;
1730     sal_uInt32 nPntAnz(pEdgeTrack->GetPointCount());
1731     if (nPntAnz!=0) {
1732         if (nHdlNum==0) {
1733             pHdl=new ImpEdgeHdl((*pEdgeTrack)[0],HDL_POLY);
1734             if (aCon1.pObj!=NULL && aCon1.bBestVertex) pHdl->Set1PixMore(sal_True);
1735         } else if (nHdlNum==1) {
1736             pHdl=new ImpEdgeHdl((*pEdgeTrack)[sal_uInt16(nPntAnz-1)],HDL_POLY);
1737             if (aCon2.pObj!=NULL && aCon2.bBestVertex) pHdl->Set1PixMore(sal_True);
1738         } else {
1739             SdrEdgeKind eKind=((SdrEdgeKindItem&)(GetObjectItem(SDRATTR_EDGEKIND))).GetValue();
1740             if (eKind==SDREDGE_ORTHOLINES || eKind==SDREDGE_BEZIER) {
1741                 sal_uInt32 nO1(aEdgeInfo.nObj1Lines > 0L ? aEdgeInfo.nObj1Lines - 1L : 0L);
1742                 sal_uInt32 nO2(aEdgeInfo.nObj2Lines > 0L ? aEdgeInfo.nObj2Lines - 1L : 0L);
1743                 sal_uInt32 nM(aEdgeInfo.nMiddleLine != 0xFFFF ? 1L : 0L);
1744                 sal_uInt32 nNum(nHdlNum - 2L);
1745                 sal_Int32 nPt(0L);
1746                 pHdl=new ImpEdgeHdl(Point(),HDL_POLY);
1747                 if (nNum<nO1) {
1748                     nPt=nNum+1L;
1749                     if (nNum==0) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE2);
1750                     if (nNum==1) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE3);
1751                 } else {
1752                     nNum=nNum-nO1;
1753                     if (nNum<nO2) {
1754                         nPt=nPntAnz-3-nNum;
1755                         if (nNum==0) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE2);
1756                         if (nNum==1) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE3);
1757                     } else {
1758                         nNum=nNum-nO2;
1759                         if (nNum<nM) {
1760                             nPt=aEdgeInfo.nMiddleLine;
1761                             ((ImpEdgeHdl*)pHdl)->SetLineCode(MIDDLELINE);
1762                         }
1763                     }
1764                 }
1765                 if (nPt>0) {
1766                     Point aPos((*pEdgeTrack)[(sal_uInt16)nPt]);
1767                     aPos+=(*pEdgeTrack)[(sal_uInt16)nPt+1];
1768                     aPos.X()/=2;
1769                     aPos.Y()/=2;
1770                     pHdl->SetPos(aPos);
1771                 } else {
1772                     delete pHdl;
1773                     pHdl=NULL;
1774                 }
1775             } else if (eKind==SDREDGE_THREELINES) {
1776                 sal_uInt32 nNum(nHdlNum);
1777                 if (GetConnectedNode(sal_True)==NULL) nNum++;
1778                 Point aPos((*pEdgeTrack)[(sal_uInt16)nNum-1]);
1779                 pHdl=new ImpEdgeHdl(aPos,HDL_POLY);
1780                 if (nNum==2) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ1LINE2);
1781                 if (nNum==3) ((ImpEdgeHdl*)pHdl)->SetLineCode(OBJ2LINE2);
1782             }
1783         }
1784         if (pHdl!=NULL) {
1785             pHdl->SetPointNum(nHdlNum);
1786         }
1787     }
1788     return pHdl;
1789 }
1790 
1791 ////////////////////////////////////////////////////////////////////////////////////////////////////
1792 
1793 bool SdrEdgeObj::hasSpecialDrag() const
1794 {
1795     return true;
1796 }
1797 
1798 SdrObject* SdrEdgeObj::getFullDragClone() const
1799 {
1800     // use Clone operator
1801     SdrEdgeObj* pRetval = (SdrEdgeObj*)Clone();
1802 
1803     // copy connections for clone, SdrEdgeObj::operator= does not do this
1804     pRetval->ConnectToNode(true, GetConnectedNode(true));
1805     pRetval->ConnectToNode(false, GetConnectedNode(false));
1806 
1807     return pRetval;
1808 }
1809 
1810 bool SdrEdgeObj::beginSpecialDrag(SdrDragStat& rDrag) const
1811 {
1812     if(!rDrag.GetHdl())
1813         return false;
1814 
1815     rDrag.SetEndDragChangesAttributes(true);
1816 
1817     if(rDrag.GetHdl()->GetPointNum() < 2)
1818     {
1819         rDrag.SetNoSnap(true);
1820     }
1821 
1822     return true;
1823 }
1824 
1825 bool SdrEdgeObj::applySpecialDrag(SdrDragStat& rDragStat)
1826 {
1827     SdrEdgeObj* pOriginalEdge = dynamic_cast< SdrEdgeObj* >(rDragStat.GetHdl()->GetObj());
1828     const bool bOriginalEdgeModified(pOriginalEdge == this);
1829 
1830     if(!bOriginalEdgeModified && pOriginalEdge)
1831     {
1832         // copy connections when clone is modified. This is needed because
1833         // as preparation to this modification the data from the original object
1834         // was copied to the clone using the operator=. As can be seen there,
1835         // that operator does not copy the connections (for good reason)
1836         ConnectToNode(true, pOriginalEdge->GetConnection(true).GetObject());
1837         ConnectToNode(false, pOriginalEdge->GetConnection(false).GetObject());
1838     }
1839 
1840     if(rDragStat.GetHdl()->GetPointNum() < 2)
1841     {
1842         // start or end point connector drag
1843         const bool bDragA(0 == rDragStat.GetHdl()->GetPointNum());
1844         const Point aPointNow(rDragStat.GetNow());
1845 
1846         if(rDragStat.GetPageView())
1847         {
1848             SdrObjConnection* pDraggedOne(bDragA ? &aCon1 : &aCon2);
1849 
1850             // clear connection
1851             DisconnectFromNode(bDragA);
1852 
1853             // look for new connection
1854             ImpFindConnector(aPointNow, *rDragStat.GetPageView(), *pDraggedOne, pOriginalEdge);
1855 
1856             if(pDraggedOne->pObj)
1857             {
1858                 // if found, officially connect to it; ImpFindConnector only
1859                 // sets pObj hard
1860                 SdrObject* pNewConnection = pDraggedOne->pObj;
1861                 pDraggedOne->pObj = 0;
1862                 ConnectToNode(bDragA, pNewConnection);
1863             }
1864 
1865             if(rDragStat.GetView() && !bOriginalEdgeModified)
1866             {
1867                 // show IA helper, but only do this during IA, so not when the original
1868                 // Edge gets modified in the last call
1869                 rDragStat.GetView()->SetConnectMarker(*pDraggedOne, *rDragStat.GetPageView());
1870             }
1871         }
1872 
1873         if(pEdgeTrack)
1874         {
1875             // change pEdgeTrack to modified position
1876             if(bDragA)
1877             {
1878                 (*pEdgeTrack)[0] = aPointNow;
1879             }
1880             else
1881             {
1882                 (*pEdgeTrack)[sal_uInt16(pEdgeTrack->GetPointCount()-1)] = aPointNow;
1883             }
1884         }
1885 
1886         // reset edge info's offsets, this is a end point drag
1887         aEdgeInfo.aObj1Line2 = Point();
1888         aEdgeInfo.aObj1Line3 = Point();
1889         aEdgeInfo.aObj2Line2 = Point();
1890         aEdgeInfo.aObj2Line3 = Point();
1891         aEdgeInfo.aMiddleLine = Point();
1892     }
1893     else
1894     {
1895         // control point connector drag
1896         const ImpEdgeHdl* pEdgeHdl = (ImpEdgeHdl*)rDragStat.GetHdl();
1897         const SdrEdgeLineCode eLineCode = pEdgeHdl->GetLineCode();
1898         const Point aDist(rDragStat.GetNow() - rDragStat.GetStart());
1899         sal_Int32 nDist(pEdgeHdl->IsHorzDrag() ? aDist.X() : aDist.Y());
1900 
1901         nDist += aEdgeInfo.ImpGetLineVersatz(eLineCode, *pEdgeTrack);
1902         aEdgeInfo.ImpSetLineVersatz(eLineCode, *pEdgeTrack, nDist);
1903     }
1904 
1905     // force recalc EdgeTrack
1906     *pEdgeTrack = ImpCalcEdgeTrack(*pEdgeTrack, aCon1, aCon2, &aEdgeInfo);
1907     bEdgeTrackDirty=sal_False;
1908 
1909     // save EdgeInfos and mark object as user modified
1910     ImpSetEdgeInfoToAttr();
1911     bEdgeTrackUserDefined = false;
1912     //SetRectsDirty();
1913     //SetChanged();
1914 
1915     if(bOriginalEdgeModified && rDragStat.GetView())
1916     {
1917         // hide connect marker helper again when original gets changed.
1918         // This happens at the end of the interaction
1919         rDragStat.GetView()->HideConnectMarker();
1920     }
1921 
1922     return true;
1923 }
1924 
1925 String SdrEdgeObj::getSpecialDragComment(const SdrDragStat& rDrag) const
1926 {
1927     const bool bCreateComment(rDrag.GetView() && this == rDrag.GetView()->GetCreateObj());
1928 
1929     if(bCreateComment)
1930     {
1931         return String();
1932     }
1933     else
1934     {
1935         XubString aStr;
1936         ImpTakeDescriptionStr(STR_DragEdgeTail, aStr);
1937 
1938         return aStr;
1939     }
1940 }
1941 
1942 ////////////////////////////////////////////////////////////////////////////////////////////////////
1943 
1944 basegfx::B2DPolygon SdrEdgeObj::ImplAddConnectorOverlay(SdrDragMethod& rDragMethod, bool bTail1, bool bTail2, bool bDetail) const
1945 {
1946     basegfx::B2DPolygon aResult;
1947 
1948     if(bDetail)
1949     {
1950         SdrObjConnection aMyCon1(aCon1);
1951         SdrObjConnection aMyCon2(aCon2);
1952 
1953         if (bTail1)
1954         {
1955             const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aMyCon1.aObjOfs.X(), aMyCon1.aObjOfs.Y()));
1956             aMyCon1.aObjOfs.X() = basegfx::fround(aTemp.getX());
1957             aMyCon1.aObjOfs.Y() = basegfx::fround(aTemp.getY());
1958         }
1959 
1960         if (bTail2)
1961         {
1962             const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aMyCon2.aObjOfs.X(), aMyCon2.aObjOfs.Y()));
1963             aMyCon2.aObjOfs.X() = basegfx::fround(aTemp.getX());
1964             aMyCon2.aObjOfs.Y() = basegfx::fround(aTemp.getY());
1965         }
1966 
1967         SdrEdgeInfoRec aInfo(aEdgeInfo);
1968         XPolygon aXP(ImpCalcEdgeTrack(*pEdgeTrack, aMyCon1, aMyCon2, &aInfo));
1969 
1970         if(aXP.GetPointCount())
1971         {
1972             aResult = aXP.getB2DPolygon();
1973         }
1974     }
1975     else
1976     {
1977         Point aPt1((*pEdgeTrack)[0]);
1978         Point aPt2((*pEdgeTrack)[sal_uInt16(pEdgeTrack->GetPointCount() - 1)]);
1979 
1980         if (aCon1.pObj && (aCon1.bBestConn || aCon1.bBestVertex))
1981             aPt1 = aCon1.pObj->GetSnapRect().Center();
1982 
1983         if (aCon2.pObj && (aCon2.bBestConn || aCon2.bBestVertex))
1984             aPt2 = aCon2.pObj->GetSnapRect().Center();
1985 
1986         if (bTail1)
1987         {
1988             const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aPt1.X(), aPt1.Y()));
1989             aPt1.X() = basegfx::fround(aTemp.getX());
1990             aPt1.Y() = basegfx::fround(aTemp.getY());
1991         }
1992 
1993         if (bTail2)
1994         {
1995             const basegfx::B2DPoint aTemp(rDragMethod.getCurrentTransformation() * basegfx::B2DPoint(aPt2.X(), aPt2.Y()));
1996             aPt2.X() = basegfx::fround(aTemp.getX());
1997             aPt2.Y() = basegfx::fround(aTemp.getY());
1998         }
1999 
2000         aResult.append(basegfx::B2DPoint(aPt1.X(), aPt1.Y()));
2001         aResult.append(basegfx::B2DPoint(aPt2.X(), aPt2.Y()));
2002     }
2003 
2004     return aResult;
2005 }
2006 
2007 FASTBOOL SdrEdgeObj::BegCreate(SdrDragStat& rDragStat)
2008 {
2009     rDragStat.SetNoSnap(sal_True);
2010     pEdgeTrack->SetPointCount(2);
2011     (*pEdgeTrack)[0]=rDragStat.GetStart();
2012     (*pEdgeTrack)[1]=rDragStat.GetNow();
2013     if (rDragStat.GetPageView()!=NULL) {
2014         ImpFindConnector(rDragStat.GetStart(),*rDragStat.GetPageView(),aCon1,this);
2015         ConnectToNode(sal_True,aCon1.pObj);
2016     }
2017     *pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
2018     return sal_True;
2019 }
2020 
2021 FASTBOOL SdrEdgeObj::MovCreate(SdrDragStat& rDragStat)
2022 {
2023     sal_uInt16 nMax=pEdgeTrack->GetPointCount();
2024     (*pEdgeTrack)[nMax-1]=rDragStat.GetNow();
2025     if (rDragStat.GetPageView()!=NULL) {
2026         ImpFindConnector(rDragStat.GetNow(),*rDragStat.GetPageView(),aCon2,this);
2027         rDragStat.GetView()->SetConnectMarker(aCon2,*rDragStat.GetPageView());
2028     }
2029     SetBoundRectDirty();
2030     bSnapRectDirty=sal_True;
2031     ConnectToNode(sal_False,aCon2.pObj);
2032     *pEdgeTrack=ImpCalcEdgeTrack(*pEdgeTrack,aCon1,aCon2,&aEdgeInfo);
2033     bEdgeTrackDirty=sal_False;
2034     return sal_True;
2035 }
2036 
2037 FASTBOOL SdrEdgeObj::EndCreate(SdrDragStat& rDragStat, SdrCreateCmd eCmd)
2038 {
2039     FASTBOOL bOk=(eCmd==SDRCREATE_FORCEEND || rDragStat.GetPointAnz()>=2);
2040     if (bOk) {
2041         ConnectToNode(sal_True,aCon1.pObj);
2042         ConnectToNode(sal_False,aCon2.pObj);
2043         if (rDragStat.GetView()!=NULL) {
2044             rDragStat.GetView()->HideConnectMarker();
2045         }
2046         ImpSetEdgeInfoToAttr(); // Die Werte aus aEdgeInfo in den Pool kopieren
2047     }
2048     SetRectsDirty();
2049     return bOk;
2050 }
2051 
2052 FASTBOOL SdrEdgeObj::BckCreate(SdrDragStat& rDragStat)
2053 {
2054     if (rDragStat.GetView()!=NULL) {
2055         rDragStat.GetView()->HideConnectMarker();
2056     }
2057     return sal_False;
2058 }
2059 
2060 void SdrEdgeObj::BrkCreate(SdrDragStat& rDragStat)
2061 {
2062     if (rDragStat.GetView()!=NULL) {
2063         rDragStat.GetView()->HideConnectMarker();
2064     }
2065 }
2066 
2067 basegfx::B2DPolyPolygon SdrEdgeObj::TakeCreatePoly(const SdrDragStat& /*rStatDrag*/) const
2068 {
2069     basegfx::B2DPolyPolygon aRetval;
2070     aRetval.append(pEdgeTrack->getB2DPolygon());
2071     return aRetval;
2072 }
2073 
2074 Pointer SdrEdgeObj::GetCreatePointer() const
2075 {
2076     return Pointer(POINTER_DRAW_CONNECT);
2077 }
2078 
2079 FASTBOOL SdrEdgeObj::ImpFindConnector(const Point& rPt, const SdrPageView& rPV, SdrObjConnection& rCon, const SdrEdgeObj* pThis, OutputDevice* pOut)
2080 {
2081     rCon.ResetVars();
2082     if (pOut==NULL) pOut=rPV.GetView().GetFirstOutputDevice(); // GetWin(0);
2083     if (pOut==NULL) return sal_False;
2084     SdrObjList* pOL=rPV.GetObjList();
2085     const SetOfByte& rVisLayer=rPV.GetVisibleLayers();
2086     // Sensitiver Bereich der Konnektoren ist doppelt so gross wie die Handles:
2087     sal_uInt16 nMarkHdSiz=rPV.GetView().GetMarkHdlSizePixel();
2088     Size aHalfConSiz(nMarkHdSiz,nMarkHdSiz);
2089     aHalfConSiz=pOut->PixelToLogic(aHalfConSiz);
2090     Size aHalfCenterSiz(2*aHalfConSiz.Width(),2*aHalfConSiz.Height());
2091     Rectangle aMouseRect(rPt,rPt);
2092     aMouseRect.Left()  -=aHalfConSiz.Width();
2093     aMouseRect.Top()   -=aHalfConSiz.Height();
2094     aMouseRect.Right() +=aHalfConSiz.Width();
2095     aMouseRect.Bottom()+=aHalfConSiz.Height();
2096     sal_uInt16 nBoundHitTol=(sal_uInt16)aHalfConSiz.Width()/2; if (nBoundHitTol==0) nBoundHitTol=1;
2097     sal_uIntPtr no=pOL->GetObjCount();
2098     FASTBOOL bFnd=sal_False;
2099     SdrObjConnection aTestCon;
2100     SdrObjConnection aBestCon;
2101     FASTBOOL bTestBoundHit=sal_False;
2102     //int bBestBoundHit=sal_False;
2103 
2104     while (no>0 && !bFnd) {
2105         // Problem: Gruppenobjekt mit verschiedenen Layern liefert LayerID 0 !!!!
2106         no--;
2107         SdrObject* pObj=pOL->GetObj(no);
2108         if (rVisLayer.IsSet(pObj->GetLayer()) && pObj->IsVisible() &&      // only visible objects
2109             (pThis==NULL || pObj!=(SdrObject*)pThis) && // nicht an mich selbst connecten
2110             pObj->IsNode())
2111         {
2112             Rectangle aObjBound(pObj->GetCurrentBoundRect());
2113             if (aObjBound.IsOver(aMouseRect)) {
2114                 aTestCon.ResetVars();
2115                 bTestBoundHit=sal_False;
2116                 FASTBOOL bEdge=HAS_BASE(SdrEdgeObj,pObj); // kein BestCon fuer Edge
2117                 // Die Userdefined Konnektoren haben absolute Prioritaet.
2118                 // Danach kommt Vertex, Corner und Mitte(Best) gleich priorisiert.
2119                 // Zum Schluss kommt noch ein HitTest aufs Obj.
2120                 const SdrGluePointList* pGPL=pObj->GetGluePointList();
2121                 sal_uInt16 nConAnz=pGPL==NULL ? 0 : pGPL->GetCount();
2122                 sal_uInt16 nGesAnz=nConAnz+9;
2123                 FASTBOOL bUserFnd=sal_False;
2124                 sal_uIntPtr nBestDist=0xFFFFFFFF;
2125                 for (sal_uInt16 i=0; i<nGesAnz; i++)
2126                 {
2127                     FASTBOOL bUser=i<nConAnz;
2128                     FASTBOOL bVertex=i>=nConAnz+0 && i<nConAnz+4;
2129                     FASTBOOL bCorner=i>=nConAnz+4 && i<nConAnz+8;
2130                     FASTBOOL bCenter=i==nConAnz+8;
2131                     FASTBOOL bOk=sal_False;
2132                     Point aConPos;
2133                     sal_uInt16 nConNum=i;
2134                     if (bUser) {
2135                         const SdrGluePoint& rGP=(*pGPL)[nConNum];
2136                         aConPos=rGP.GetAbsolutePos(*pObj);
2137                         nConNum=rGP.GetId();
2138                         bOk=sal_True;
2139                     } else if (bVertex && !bUserFnd) {
2140                         nConNum=nConNum-nConAnz;
2141                         if (rPV.GetView().IsAutoVertexConnectors()) {
2142                             SdrGluePoint aPt(pObj->GetVertexGluePoint(nConNum));
2143                             aConPos=aPt.GetAbsolutePos(*pObj);
2144                             bOk=sal_True;
2145                         } else i+=3;
2146                     } else if (bCorner && !bUserFnd) {
2147                         nConNum-=nConAnz+4;
2148                         if (rPV.GetView().IsAutoCornerConnectors()) {
2149                             SdrGluePoint aPt(pObj->GetCornerGluePoint(nConNum));
2150                             aConPos=aPt.GetAbsolutePos(*pObj);
2151                             bOk=sal_True;
2152                         } else i+=3;
2153                     }
2154                     else if (bCenter && !bUserFnd && !bEdge)
2155                     {
2156                         // #109007#
2157                         // Suppress default connect at object center
2158                         if(!pThis || !pThis->GetSuppressDefaultConnect())
2159                         {
2160                             // Edges nicht!
2161                             nConNum=0;
2162                             aConPos=aObjBound.Center();
2163                             bOk=sal_True;
2164                         }
2165                     }
2166                     if (bOk && aMouseRect.IsInside(aConPos)) {
2167                         if (bUser) bUserFnd=sal_True;
2168                         bFnd=sal_True;
2169                         sal_uIntPtr nDist=(sal_uIntPtr)Abs(aConPos.X()-rPt.X())+(sal_uIntPtr)Abs(aConPos.Y()-rPt.Y());
2170                         if (nDist<nBestDist) {
2171                             nBestDist=nDist;
2172                             aTestCon.pObj=pObj;
2173                             aTestCon.nConId=nConNum;
2174                             aTestCon.bAutoCorner=bCorner;
2175                             aTestCon.bAutoVertex=bVertex;
2176                             aTestCon.bBestConn=sal_False; // bCenter;
2177                             aTestCon.bBestVertex=bCenter;
2178                         }
2179                     }
2180                 }
2181                 // Falls kein Konnektor getroffen wird nochmal
2182                 // HitTest versucht fuer BestConnector (=bCenter)
2183                 if(!bFnd &&
2184                     !bEdge &&
2185                     SdrObjectPrimitiveHit(*pObj, rPt, nBoundHitTol, rPV, &rVisLayer, false))
2186                 {
2187                     // #109007#
2188                     // Suppress default connect at object inside bound
2189                     if(!pThis || !pThis->GetSuppressDefaultConnect())
2190                     {
2191                         bFnd=sal_True;
2192                         aTestCon.pObj=pObj;
2193                         aTestCon.bBestConn=sal_True;
2194                     }
2195                 }
2196                 if (bFnd) {
2197                     Rectangle aMouseRect2(rPt,rPt);
2198                     aMouseRect.Left()  -=nBoundHitTol;
2199                     aMouseRect.Top()   -=nBoundHitTol;
2200                     aMouseRect.Right() +=nBoundHitTol;
2201                     aMouseRect.Bottom()+=nBoundHitTol;
2202                     bTestBoundHit=aObjBound.IsOver(aMouseRect2);
2203                 }
2204 
2205             }
2206         }
2207     }
2208     rCon=aTestCon;
2209     return bFnd;
2210 }
2211 
2212 void SdrEdgeObj::NbcSetSnapRect(const Rectangle& rRect)
2213 {
2214     const Rectangle aOld(GetSnapRect());
2215 
2216     if(aOld != rRect)
2217     {
2218         if(aRect.IsEmpty() && 0 == pEdgeTrack->GetPointCount())
2219         {
2220             // #i110629# When initializing, do not scale on empty Rectangle; this
2221             // will mirror the underlying text object (!)
2222             aRect = rRect;
2223             maSnapRect = rRect;
2224         }
2225         else
2226         {
2227             long nMulX = rRect.Right()  - rRect.Left();
2228             long nDivX = aOld.Right()   - aOld.Left();
2229             long nMulY = rRect.Bottom() - rRect.Top();
2230             long nDivY = aOld.Bottom()  - aOld.Top();
2231             if ( nDivX == 0 ) { nMulX = 1; nDivX = 1; }
2232             if ( nDivY == 0 ) { nMulY = 1; nDivY = 1; }
2233             Fraction aX(nMulX, nDivX);
2234             Fraction aY(nMulY, nDivY);
2235             NbcResize(aOld.TopLeft(), aX, aY);
2236             NbcMove(Size(rRect.Left() - aOld.Left(), rRect.Top() - aOld.Top()));
2237         }
2238     }
2239 }
2240 
2241 void SdrEdgeObj::NbcMove(const Size& rSiz)
2242 {
2243     SdrTextObj::NbcMove(rSiz);
2244     MoveXPoly(*pEdgeTrack,rSiz);
2245 }
2246 
2247 void SdrEdgeObj::NbcResize(const Point& rRefPnt, const Fraction& aXFact, const Fraction& aYFact)
2248 {
2249     SdrTextObj::NbcResize(rRefPnt,aXFact,aXFact);
2250     ResizeXPoly(*pEdgeTrack,rRefPnt,aXFact,aYFact);
2251 
2252     // #75371# if resize is not from paste, forget user distances
2253     if(!GetModel()->IsPasteResize())
2254     {
2255         // #75735#
2256         aEdgeInfo.aObj1Line2 = Point();
2257         aEdgeInfo.aObj1Line3 = Point();
2258         aEdgeInfo.aObj2Line2 = Point();
2259         aEdgeInfo.aObj2Line3 = Point();
2260         aEdgeInfo.aMiddleLine = Point();
2261     }
2262 }
2263 
2264 SdrObject* SdrEdgeObj::DoConvertToPolyObj(sal_Bool bBezier, bool bAddText) const
2265 {
2266     basegfx::B2DPolyPolygon aPolyPolygon;
2267     aPolyPolygon.append(pEdgeTrack->getB2DPolygon());
2268     SdrObject* pRet = ImpConvertMakeObj(aPolyPolygon, sal_False, bBezier);
2269 
2270     if(bAddText)
2271     {
2272         pRet = ImpConvertAddText(pRet, bBezier);
2273     }
2274 
2275     return pRet;
2276 }
2277 
2278 sal_uInt32 SdrEdgeObj::GetSnapPointCount() const
2279 {
2280     return 2L;
2281 }
2282 
2283 Point SdrEdgeObj::GetSnapPoint(sal_uInt32 i) const
2284 {
2285     ((SdrEdgeObj*)this)->ImpUndirtyEdgeTrack();
2286     sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2287     if (i==0) return (*pEdgeTrack)[0];
2288     else return (*pEdgeTrack)[nAnz-1];
2289 }
2290 
2291 sal_Bool SdrEdgeObj::IsPolyObj() const
2292 {
2293     return sal_False;
2294 }
2295 
2296 sal_uInt32 SdrEdgeObj::GetPointCount() const
2297 {
2298     return 0L;
2299 }
2300 
2301 Point SdrEdgeObj::GetPoint(sal_uInt32 i) const
2302 {
2303     ((SdrEdgeObj*)this)->ImpUndirtyEdgeTrack();
2304     sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2305     if (0L == i)
2306         return (*pEdgeTrack)[0];
2307     else
2308         return (*pEdgeTrack)[nAnz-1];
2309 }
2310 
2311 void SdrEdgeObj::NbcSetPoint(const Point& rPnt, sal_uInt32 i)
2312 {
2313     // ToDo: Umconnekten fehlt noch
2314     ImpUndirtyEdgeTrack();
2315     sal_uInt16 nAnz=pEdgeTrack->GetPointCount();
2316     if (0L == i)
2317         (*pEdgeTrack)[0]=rPnt;
2318     if (1L == i)
2319         (*pEdgeTrack)[nAnz-1]=rPnt;
2320     SetEdgeTrackDirty();
2321     SetRectsDirty();
2322 }
2323 
2324 SdrEdgeObjGeoData::SdrEdgeObjGeoData()
2325 {
2326     pEdgeTrack=new XPolygon;
2327 }
2328 
2329 SdrEdgeObjGeoData::~SdrEdgeObjGeoData()
2330 {
2331     delete pEdgeTrack;
2332 }
2333 
2334 SdrObjGeoData* SdrEdgeObj::NewGeoData() const
2335 {
2336     return new SdrEdgeObjGeoData;
2337 }
2338 
2339 void SdrEdgeObj::SaveGeoData(SdrObjGeoData& rGeo) const
2340 {
2341     SdrTextObj::SaveGeoData(rGeo);
2342     SdrEdgeObjGeoData& rEGeo=(SdrEdgeObjGeoData&)rGeo;
2343     rEGeo.aCon1          =aCon1;
2344     rEGeo.aCon2          =aCon2;
2345     *rEGeo.pEdgeTrack    =*pEdgeTrack;
2346     rEGeo.bEdgeTrackDirty=bEdgeTrackDirty;
2347     rEGeo.bEdgeTrackUserDefined=bEdgeTrackUserDefined;
2348     rEGeo.aEdgeInfo      =aEdgeInfo;
2349 }
2350 
2351 void SdrEdgeObj::RestGeoData(const SdrObjGeoData& rGeo)
2352 {
2353     SdrTextObj::RestGeoData(rGeo);
2354     SdrEdgeObjGeoData& rEGeo=(SdrEdgeObjGeoData&)rGeo;
2355     if (aCon1.pObj!=rEGeo.aCon1.pObj) {
2356         if (aCon1.pObj!=NULL) aCon1.pObj->RemoveListener(*this);
2357         aCon1=rEGeo.aCon1;
2358         if (aCon1.pObj!=NULL) aCon1.pObj->AddListener(*this);
2359     }
2360     if (aCon2.pObj!=rEGeo.aCon2.pObj) {
2361         if (aCon2.pObj!=NULL) aCon2.pObj->RemoveListener(*this);
2362         aCon2=rEGeo.aCon2;
2363         if (aCon2.pObj!=NULL) aCon2.pObj->AddListener(*this);
2364     }
2365     *pEdgeTrack    =*rEGeo.pEdgeTrack;
2366     bEdgeTrackDirty=rEGeo.bEdgeTrackDirty;
2367     bEdgeTrackUserDefined=rEGeo.bEdgeTrackUserDefined;
2368     aEdgeInfo      =rEGeo.aEdgeInfo;
2369 }
2370 
2371 Point SdrEdgeObj::GetTailPoint( sal_Bool bTail ) const
2372 {
2373     if( pEdgeTrack && pEdgeTrack->GetPointCount()!=0)
2374     {
2375         const XPolygon& rTrack0 = *pEdgeTrack;
2376         if(bTail)
2377         {
2378             return rTrack0[0];
2379         }
2380         else
2381         {
2382             const sal_uInt16 nSiz = rTrack0.GetPointCount() - 1;
2383             return rTrack0[nSiz];
2384         }
2385     }
2386     else
2387     {
2388         if(bTail)
2389             return aOutRect.TopLeft();
2390         else
2391             return aOutRect.BottomRight();
2392     }
2393 
2394 }
2395 
2396 void SdrEdgeObj::SetTailPoint( sal_Bool bTail, const Point& rPt )
2397 {
2398     ImpSetTailPoint( bTail, rPt );
2399     SetChanged();
2400 }
2401 
2402 /** this method is used by the api to set a glue point for a connection
2403     nId == -1 :     The best default point is automaticly choosen
2404     0 <= nId <= 3 : One of the default points is choosen
2405     nId >= 4 :      A user defined glue point is choosen
2406 */
2407 void SdrEdgeObj::setGluePointIndex( sal_Bool bTail, sal_Int32 nIndex /* = -1 */ )
2408 {
2409     Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetCurrentBoundRect();
2410     // #110094#-14 BroadcastObjectChange();
2411 
2412     SdrObjConnection& rConn1 = GetConnection( bTail );
2413 
2414     rConn1.SetAutoVertex( nIndex >= 0 && nIndex <= 3 );
2415     rConn1.SetBestConnection( nIndex < 0 );
2416     rConn1.SetBestVertex( nIndex < 0 );
2417 
2418     if( nIndex > 3 )
2419     {
2420 //      nIndex -= 4;
2421         nIndex -= 3;        // SJ: the start api index is 0, whereas the implementation in svx starts from 1
2422 
2423         // for user defined glue points we have
2424         // to get the id for this index first
2425         const SdrGluePointList* pList = rConn1.GetObject() ? rConn1.GetObject()->GetGluePointList() : NULL;
2426         if( pList == NULL || SDRGLUEPOINT_NOTFOUND == pList->FindGluePoint((sal_uInt16)nIndex) )
2427             return;
2428     }
2429     else if( nIndex < 0 )
2430     {
2431         nIndex = 0;
2432     }
2433 
2434     rConn1.SetConnectorId( (sal_uInt16)nIndex );
2435 
2436     SetChanged();
2437     SetRectsDirty();
2438     ImpRecalcEdgeTrack();
2439     // bEdgeTrackDirty=sal_True;
2440 }
2441 
2442 /** this method is used by the api to return a glue point id for a connection.
2443     See setGluePointId for possible return values */
2444 sal_Int32 SdrEdgeObj::getGluePointIndex( sal_Bool bTail )
2445 {
2446     SdrObjConnection& rConn1 = GetConnection( bTail );
2447     sal_Int32 nId = -1;
2448     if( !rConn1.IsBestConnection() )
2449     {
2450         nId = rConn1.GetConnectorId();
2451         if( !rConn1.IsAutoVertex() )
2452 //          nId += 4;
2453             nId += 3;       // SJ: the start api index is 0, whereas the implementation in svx starts from 1
2454     }
2455     return nId;
2456 }
2457 
2458 // #102344# Implementation was missing; edge track needs to be invalidated additionally.
2459 void SdrEdgeObj::NbcSetAnchorPos(const Point& rPnt)
2460 {
2461     // call parent functionality
2462     SdrTextObj::NbcSetAnchorPos(rPnt);
2463 
2464     // Additionally, invalidate edge track
2465     ImpDirtyEdgeTrack();
2466 }
2467 
2468 sal_Bool SdrEdgeObj::TRGetBaseGeometry(basegfx::B2DHomMatrix& rMatrix, basegfx::B2DPolyPolygon& rPolyPolygon) const
2469 {
2470     // use base method from SdrObject, it's not rotatable and
2471     // a call to GetSnapRect() is used. That's what we need for Connector.
2472     return SdrObject::TRGetBaseGeometry(rMatrix, rPolyPolygon);
2473 }
2474 
2475 void SdrEdgeObj::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const basegfx::B2DPolyPolygon& rPolyPolygon)
2476 {
2477     // evtl. take care for existing connections. For now, just use the
2478     // implementation from SdrObject.
2479     SdrObject::TRSetBaseGeometry(rMatrix, rPolyPolygon);
2480 }
2481 
2482 // for geometry access
2483 ::basegfx::B2DPolygon SdrEdgeObj::getEdgeTrack() const
2484 {
2485     if(bEdgeTrackDirty)
2486     {
2487         const_cast< SdrEdgeObj* >(this)->ImpRecalcEdgeTrack();
2488     }
2489 
2490     if(pEdgeTrack)
2491     {
2492         return pEdgeTrack->getB2DPolygon();
2493     }
2494     else
2495     {
2496         return ::basegfx::B2DPolygon();
2497     }
2498 }
2499 
2500 //////////////////////////////////////////////////////////////////////////////
2501 // eof
2502