tdf#105545 Allow closed paths having 2 points

Closed paths with 2 points can be created from scratch,
therefore allow them too, if a point is deleted.
Remove now unused member mbIsClosed

Change-Id: Iac2a08df52f734c99c6ac14d9f1a16d8b943d399
Reviewed-on: https://gerrit.libreoffice.org/33654Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

include/svx/polypolygoneditor.hxx

@@ -34,7 +34,7 @@ namespace sdr
 class SVX_DLLPUBLIC PolyPolygonEditor
 {
 public:
-    PolyPolygonEditor( const basegfx::B2DPolyPolygon& rPolyPolygon, bool bClosed );
+    PolyPolygonEditor( const basegfx::B2DPolyPolygon& rPolyPolygon);
 
     const basegfx::B2DPolyPolygon& GetPolyPolygon() const { return maPolyPolygon; }
 
@@ -58,7 +58,6 @@ public:
 
 private:
     basegfx::B2DPolyPolygon maPolyPolygon;
-    bool mbIsClosed;
 };
 
 }

sd/source/ui/animations/motionpathtag.cxx

@@ -1036,7 +1036,7 @@ void MotionPathTag::DeleteMarkedPoints()
         mrView.BrkAction();
 
         SdrUShortCont& rPts = mpMark->GetMarkedPoints();
-        PolyPolygonEditor aEditor( mpPathObj->GetPathPoly(), mpPathObj->IsClosed() );
+        PolyPolygonEditor aEditor( mpPathObj->GetPathPoly());
         if (aEditor.DeletePoints(rPts))
         {
             if( aEditor.GetPolyPolygon().count() )
@@ -1088,7 +1088,7 @@ void MotionPathTag::SetMarkedSegmentsKind(SdrPathSegmentKind eKind)
     if(mpPathObj && isSelected() && (GetMarkedPointCount() != 0))
     {
         SdrUShortCont& rPts = mpMark->GetMarkedPoints();
-        PolyPolygonEditor aEditor( mpPathObj->GetPathPoly(), mpPathObj->IsClosed() );
+        PolyPolygonEditor aEditor( mpPathObj->GetPathPoly() );
         if (aEditor.SetSegmentsKind(eKind, rPts))
         {
             mpPathObj->SetPathPoly(aEditor.GetPolyPolygon());
@@ -1138,7 +1138,7 @@ void MotionPathTag::SetMarkedPointsSmooth(SdrPathSmoothKind eKind)
     if(mpPathObj && mpMark && isSelected() && (GetMarkedPointCount() != 0))
     {
         SdrUShortCont& rPts = mpMark->GetMarkedPoints();
-        PolyPolygonEditor aEditor( mpPathObj->GetPathPoly(), mpPathObj->IsClosed() );
+        PolyPolygonEditor aEditor( mpPathObj->GetPathPoly());
         if (aEditor.SetPointsSmooth(eFlags, rPts))
         {
             mpPathObj->SetPathPoly(aEditor.GetPolyPolygon());

svx/source/svdraw/polypolygoneditor.cxx

@@ -25,9 +25,8 @@
 
 namespace sdr {
 
-PolyPolygonEditor::PolyPolygonEditor( const basegfx::B2DPolyPolygon& rPolyPolygon, bool bClosed )
+PolyPolygonEditor::PolyPolygonEditor( const basegfx::B2DPolyPolygon& rPolyPolygon)
 : maPolyPolygon( rPolyPolygon )
-, mbIsClosed( bClosed )
 {
 }
 
@@ -46,7 +45,8 @@ bool PolyPolygonEditor::DeletePoints( const std::set< sal_uInt16 >& rAbsPoints )
 
             aCandidate.remove(nPnt);
 
-            if( ( mbIsClosed && aCandidate.count() < 3L) || (aCandidate.count() < 2L) )
+
+            if( aCandidate.count() < 2L )
             {
                 maPolyPolygon.remove(nPoly);
             }

svx/source/svdraw/svdpoev.cxx

@@ -207,7 +207,7 @@ void SdrPolyEditView::SetMarkedPointsSmooth(SdrPathSmoothKind eKind)
                 continue;
 
             SdrUShortCont& rPts = pM->GetMarkedPoints();
-            PolyPolygonEditor aEditor(pPath->GetPathPoly(), pPath->IsClosed());
+            PolyPolygonEditor aEditor(pPath->GetPathPoly());
             if (aEditor.SetPointsSmooth(eFlags, rPts))
             {
                 if( bUndo )
@@ -240,7 +240,7 @@ void SdrPolyEditView::SetMarkedSegmentsKind(SdrPathSegmentKind eKind)
             if (!pPath)
                 continue;
             SdrUShortCont& rPts = pM->GetMarkedPoints();
-            PolyPolygonEditor aEditor( pPath->GetPathPoly(), pPath->IsClosed() );
+            PolyPolygonEditor aEditor( pPath->GetPathPoly());
             if (aEditor.SetSegmentsKind(eKind, rPts))
             {
                 if( bUndo )
@@ -307,7 +307,7 @@ void SdrPolyEditView::DeleteMarkedPoints()
                 continue;
 
             SdrUShortCont& rPts = pM->GetMarkedPoints();
-            PolyPolygonEditor aEditor( pPath->GetPathPoly(), pPath->IsClosed() );
+            PolyPolygonEditor aEditor( pPath->GetPathPoly());
             if (aEditor.DeletePoints(rPts))
             {
                 if( aEditor.GetPolyPolygon().count() )