DRAWSEGMENT fix crash when trying to copy a empty polygon.

SHAPE_POLY_SET: fix crash in VertexCount when it is a empty poly set, or when params are incorrect.

minor other fixes:
warning in degug mode in dialog_dxf_import_base.cpp
pcb_painter.cpp: remove a useless debug line.

common/geometry/shape_poly_set.cpp

@@ -220,7 +220,10 @@ void SHAPE_POLY_SET::InsertVertex( int aGlobalIndex, VECTOR2I aNewVertex )
 
 int SHAPE_POLY_SET::VertexCount( int aOutline , int aHole  ) const
 {
-    if( aOutline < 0 )
+    if( m_polys.size() == 0 )       // Empty poly set
+        return 0;
+
+    if( aOutline < 0 )              // Use last outline
         aOutline += m_polys.size();
 
     int idx;
@@ -230,8 +233,11 @@ int SHAPE_POLY_SET::VertexCount( int aOutline , int aHole  ) const
     else
         idx = aHole + 1;
 
-    assert ( aOutline < (int)m_polys.size() );
+    if( aOutline >= (int)m_polys.size() )       // not existing outline
-    assert ( idx < (int)m_polys[aOutline].size() );
+        return 0;
+
+    if( idx >= (int)m_polys[aOutline].size() )  // not existing hole
+        return 0;
 
     return m_polys[aOutline][idx].PointCount();
 }

include/geometry/shape_poly_set.h

@@ -496,8 +496,11 @@ class SHAPE_POLY_SET : public SHAPE
         ///> Returns the number of holes in a given outline
         int HoleCount( int aOutline ) const
         {
-            if( (aOutline > (int)m_polys.size()) || (m_polys[aOutline].size() < 2) )
+            if( ( aOutline < 0 ) || (aOutline >= (int)m_polys.size()) || (m_polys[aOutline].size() < 2) )
                 return 0;
+
+            // the first polygon in m_polys[aOutline] is the main contour,
+            // only others are holes:
             return m_polys[aOutline].size() - 1;
         }
 
@@ -1053,9 +1056,9 @@ class SHAPE_POLY_SET : public SHAPE
         POLYGON chamferFilletPolygon( CORNER_MODE aMode, unsigned int aDistance,
                                       int aIndex, int aSegments = -1 );
 
-        typedef std::vector<POLYGON> Polyset;
+        typedef std::vector<POLYGON> POLYSET;
 
-        Polyset m_polys;
+        POLYSET m_polys;
 };
 
 #endif

pcbnew/class_drawsegment.cpp

@@ -409,6 +409,8 @@ const EDA_RECT DRAWSEGMENT::GetBoundingBox() const
         break;
 
     case S_POLYGON:
+        if( m_Poly.IsEmpty() )
+            break;
     {
         wxPoint p_end;
         MODULE* module = GetParentModule();
@@ -442,6 +444,7 @@ const EDA_RECT DRAWSEGMENT::GetBoundingBox() const
                 p_end.y   = std::max( p_end.y, pt.y );
             }
         }
+
         bbox.SetEnd( p_end );
         break;
 	}
@@ -748,7 +751,7 @@ const std::vector<wxPoint> DRAWSEGMENT::GetPolyPoints() const
 {
     std::vector<wxPoint> rv;
 
-    if( m_Poly.VertexCount() > 0 )
+    if( !m_Poly.IsEmpty() )
     {
         for ( auto iter = m_Poly.CIterate(); iter; iter++ )
         {

pcbnew/class_edge_mod.cpp

@@ -199,6 +199,9 @@ void EDGE_MODULE::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, GR_DRAWMODE draw_mode,
         break;
 
     case S_POLYGON:
+        if( m_Poly.IsEmpty() )
+            break;
+
         {
         // We must compute absolute coordinates from m_PolyPoints
         // which are relative to module position, orientation 0

pcbnew/import_dxf/dialog_dxf_import.fbp

@@ -44,7 +44,7 @@
             <property name="minimum_size"></property>
             <property name="name">DIALOG_DXF_IMPORT_BASE</property>
             <property name="pos"></property>
-            <property name="size">-1,-1</property>
+            <property name="size">455,297</property>
             <property name="style">wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER</property>
             <property name="subclass">DIALOG_SHIM; dialog_shim.h</property>
             <property name="title">Import DXF File</property>
@@ -1124,7 +1124,7 @@
                         </object>
                         <object class="sizeritem" expanded="1">
                             <property name="border">5</property>
-                            <property name="flag">wxALIGN_CENTER_VERTICAL|wxALL|wxEXPAND</property>
+                            <property name="flag">wxALIGN_CENTER_VERTICAL|wxALL</property>
                             <property name="proportion">1</property>
                             <object class="wxBitmapComboBox" expanded="1">
                                 <property name="BottomDockable">1</property>

pcbnew/import_dxf/dialog_dxf_import_base.cpp

@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Jun  5 2014)
+// C++ code generated with wxFormBuilder (version Aug  4 2017)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO "NOT" EDIT THIS FILE!
@@ -56,7 +56,14 @@ DIALOG_DXF_IMPORT_BASE::DIALOG_DXF_IMPORT_BASE( wxWindow* parent, wxWindowID id,
 	bSizer6->Add( m_staticText4, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 	
 	m_DXFPCBXCoord = new wxTextCtrl( this, wxID_ANY, _("0.0"), wxDefaultPosition, wxDefaultSize, 0 );
+	#ifdef __WXGTK__
+	if ( !m_DXFPCBXCoord->HasFlag( wxTE_MULTILINE ) )
+	{
 	m_DXFPCBXCoord->SetMaxLength( 10 );
+	}
+	#else
+	m_DXFPCBXCoord->SetMaxLength( 10 );
+	#endif
 	m_DXFPCBXCoord->SetToolTip( _("DXF origin on PCB Grid, X Coordinate") );
 	
 	bSizer6->Add( m_DXFPCBXCoord, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
@@ -72,7 +79,14 @@ DIALOG_DXF_IMPORT_BASE::DIALOG_DXF_IMPORT_BASE( wxWindow* parent, wxWindowID id,
 	bSizer7->Add( m_staticText5, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 	
 	m_DXFPCBYCoord = new wxTextCtrl( this, wxID_ANY, _("0.0"), wxDefaultPosition, wxDefaultSize, 0 );
+	#ifdef __WXGTK__
+	if ( !m_DXFPCBYCoord->HasFlag( wxTE_MULTILINE ) )
+	{
 	m_DXFPCBYCoord->SetMaxLength( 10 );
+	}
+	#else
+	m_DXFPCBYCoord->SetMaxLength( 10 );
+	#endif
 	m_DXFPCBYCoord->SetToolTip( _("DXF origin on PCB Grid, Y Coordinate") );
 	
 	bSizer7->Add( m_DXFPCBYCoord, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
@@ -112,7 +126,7 @@ DIALOG_DXF_IMPORT_BASE::DIALOG_DXF_IMPORT_BASE( wxWindow* parent, wxWindowID id,
 	bSizer8->Add( m_staticTextBrdlayer, 0, wxALIGN_CENTER_VERTICAL|wxBOTTOM|wxLEFT|wxTOP, 5 );
 	
 	m_SelLayerBox = new PCB_LAYER_BOX_SELECTOR( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0, NULL, 0 ); 
-	bSizer8->Add( m_SelLayerBox, 1, wxALIGN_CENTER_VERTICAL|wxALL|wxEXPAND, 5 );
+	bSizer8->Add( m_SelLayerBox, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 	
 	
 	bSizerMain->Add( bSizer8, 0, wxALL|wxEXPAND, 5 );
@@ -132,7 +146,6 @@ DIALOG_DXF_IMPORT_BASE::DIALOG_DXF_IMPORT_BASE( wxWindow* parent, wxWindowID id,
 	
 	this->SetSizer( bSizerMain );
 	this->Layout();
-	bSizerMain->Fit( this );
 	
 	this->Centre( wxBOTH );
 	

pcbnew/import_dxf/dialog_dxf_import_base.h

@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Jun  5 2014)
+// C++ code generated with wxFormBuilder (version Aug  4 2017)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO "NOT" EDIT THIS FILE!
@@ -69,7 +69,7 @@ class DIALOG_DXF_IMPORT_BASE : public DIALOG_SHIM
 	
 	public:
 		
-		DIALOG_DXF_IMPORT_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("Import DXF File"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( -1,-1 ), long style = wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER ); 
+		DIALOG_DXF_IMPORT_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("Import DXF File"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 455,297 ), long style = wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER ); 
 		~DIALOG_DXF_IMPORT_BASE();
 	
 };

pcbnew/pcb_painter.cpp

@@ -926,14 +926,11 @@ void PCB_PAINTER::draw( const DRAWSEGMENT* aSegment, int aLayer )
         break;
 
     case S_RECT:
-        wxASSERT_MSG( false, wxT( "Not tested yet" ) );
+        wxASSERT_MSG( false, "Not tested yet" );
         m_gal->DrawRectangle( start, end );
         break;
 
     case S_ARC:
-printf( "S_ARC st %f end %f angle %f\n",
-aSegment->GetArcAngleStart()/10.0, (aSegment->GetArcAngleStart() + aSegment->GetAngle())/10.0,
-aSegment->GetAngle()/10.0 );
         m_gal->DrawArcSegment( start, aSegment->GetRadius(),
                         DECIDEG2RAD( aSegment->GetArcAngleStart() ),
                         DECIDEG2RAD( aSegment->GetArcAngleStart() + aSegment->GetAngle() ),

pcbnew/tools/drawing_tool.cpp

@@ -838,6 +838,7 @@ int DRAWING_TOOL::PlaceDXF( const TOOL_EVENT& aEvent )
                         modSeg->SetBezControl2( seg->GetBezControl2() );
                         modSeg->SetBezierPoints( seg->GetBezierPoints() );
                         modSeg->SetPolyPoints( seg->GetPolyPoints() );
+                        modSeg->SetLocalCoord();
                         converted = modSeg;
                         break;
                     }