3D viewer: fix (the fix is not perfect) a minor issue in zone rendering:...

3D viewer: fix (the fix is not perfect) a minor issue in zone rendering: copper thickness was not good when the option 'Show Holes in Zones" was OFF, and "Show Copper Thickness" ON.
Fix a few coverity minor warnings.

3d-viewer/3d_draw.cpp

@@ -793,7 +793,11 @@ void EDA_3D_CANVAS::buildBoard3DView( GLuint aBoardList, GLuint aBodyOnlyList,
             }
         }
 
-        // Draw copper zones
+        // Draw copper zones. Note:
+        // * if the holes are removed from copper zones
+        // the polygons are stored in bufferPolys (which contains all other polygons)
+        // * if the holes are NOT removed from copper zones
+        // the polygons are stored in bufferZonesPolys
         if( isEnabled( FL_ZONE ) )
         {
             for( int ii = 0; ii < pcb->GetAreaCount(); ii++ )
@@ -844,13 +848,13 @@ void EDA_3D_CANVAS::buildBoard3DView( GLuint aBoardList, GLuint aBodyOnlyList,
         // Add polygons, without holes
         bufferPolys.ExportTo( currLayerPolyset );
 
-        // Add holes in polygon list
+        // Add through holes (created only once) in current polygon holes list
         currLayerHoles.Append( allLayerHoles );
 
         if( currLayerHoles.GetCornersCount() > 0 )
             currLayerHoles.ExportTo( polysetHoles );
 
-        // Merge polygons, remove holes
+        // Merge polygons, and remove holes
         currLayerPolyset -= polysetHoles;
 
         int thickness = GetPrm3DVisu().GetLayerObjectThicknessBIU( layer );
@@ -866,40 +870,39 @@ void EDA_3D_CANVAS::buildBoard3DView( GLuint aBoardList, GLuint aBodyOnlyList,
             SetGLColor( color );
         }
 
-        glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
-
         bufferPolys.RemoveAllContours();
         bufferPolys.ImportFrom( currLayerPolyset );
-        Draw3D_SolidHorizontalPolyPolygons( bufferPolys, zpos,
-                                            thickness,
+
+        // If holes are removed from copper zones, bufferPolys contains all polygons
+        // to draw (tracks+zones+texts).
+        glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
+        Draw3D_SolidHorizontalPolyPolygons( bufferPolys, zpos, thickness,
                                             GetPrm3DVisu().m_BiuTo3Dunits, useTextures );
 
-        if( isEnabled( FL_USE_COPPER_THICKNESS ) == true )
+        // If holes are not removed from copper zones (for calculation time reasons,
+        // the zone polygons are stored in bufferZonesPolys and have to be drawn now:
+        if( bufferZonesPolys.GetCornersCount() )
         {
-            thickness -= ( 0.04 * IU_PER_MM );
+            glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
+            Draw3D_SolidHorizontalPolyPolygons( bufferZonesPolys, zpos, thickness,
+                                    GetPrm3DVisu().m_BiuTo3Dunits, useTextures );
         }
 
-        glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
-
-        if( bufferZonesPolys.GetCornersCount() )
-            Draw3D_SolidHorizontalPolyPolygons( bufferZonesPolys, zpos,
-                                                thickness,
-                                                GetPrm3DVisu().m_BiuTo3Dunits, useTextures );
         throughHolesListBuilt = true;
     }
 
-    if ( !isEnabled( FL_SHOW_BOARD_BODY ) ||
-          isEnabled( FL_USE_COPPER_THICKNESS ) )
+    if( !isEnabled( FL_SHOW_BOARD_BODY ) || isEnabled( FL_USE_COPPER_THICKNESS ) )
     {
         setGLCopperColor();
 
         // Draw vias holes (vertical cylinders)
         for( const TRACK* track = pcb->m_Track;  track;  track = track->Next() )
         {
-            const VIA *via = dynamic_cast<const VIA*>(track);
-
-            if( via )
+            if( track->Type() == PCB_VIA_T )
+            {
+                const VIA *via = static_cast<const VIA*>(track);
                 draw3DViaHole( via );
+            }
         }
 
         // Draw pads holes (vertical cylinders)

3d-viewer/3d_draw_basic_functions.cpp

@@ -245,12 +245,11 @@ void Draw3D_SolidHorizontalPolyPolygons( const CPOLYGONS_LIST& aPolysList,
     gluDeleteTess( tess );
 
     if( aThickness == 0 )
-    {
         return;
-    }
 
     // Build the 3D data : vertical side
-    Draw3D_VerticalPolygonalCylinder( polylist, aThickness, aZpos - (aThickness / 2.0), true, aBiuTo3DUnits );
+    Draw3D_VerticalPolygonalCylinder( polylist, aThickness, aZpos - (aThickness / 2.0),
+                                      true, aBiuTo3DUnits );
 }
 
 
@@ -294,7 +293,7 @@ void Draw3D_ZaxisCylinder( wxPoint aCenterPos, int aRadius,
 
     if( aHeight )
     {
-        
+
         // Draw the vertical outer side
         Draw3D_VerticalPolygonalCylinder( outer_cornerBuffer,
                                       aHeight, aZpos, false, aBiuTo3DUnits );

eeschema/netlist.cpp

@@ -435,16 +435,15 @@ void NETLIST_OBJECT_LIST::findBestNetNameForEachNet()
     NETLIST_OBJECT* candidate;
 
     // Pass 1: find the best name for labelled nets:
-    item = NULL;
     candidate = NULL;
     for( unsigned ii = 0; ii <= size(); ii++ )
     {
-        if( ii == size() ) // last item already found
-            netcode = -2;
+        if( ii == size() ) // last item already tested
+            item = NULL;
         else
             item = GetItem( ii );
 
-        if( netcode != item->GetNet() )     // End of net found
+        if( !item || netcode != item->GetNet() )     // End of net found
         {
             if( candidate )         // One or more labels exists, find the best
             {
@@ -452,7 +451,7 @@ void NETLIST_OBJECT_LIST::findBestNetNameForEachNet()
                     GetItem( jj )->SetNetNameCandidate( candidate );
             }
 
-            if( netcode == -2 )
+            if( item == NULL )
                 break;
 
             netcode = item->GetNet();
@@ -512,8 +511,10 @@ void NETLIST_OBJECT_LIST::findBestNetNameForEachNet()
     {
         if( ii < list.size() )
             item = list.GetItem( ii );
+        else
+            item = NULL;
 
-        if( netcode != item->GetNet() || ii >= list.size() )     // End of net found
+        if( !item || netcode != item->GetNet() )     // End of net found
         {
             if( candidate )
             {
@@ -524,7 +525,7 @@ void NETLIST_OBJECT_LIST::findBestNetNameForEachNet()
                 }
             }
 
-            if( ii >= list.size() )
+            if( !item )
                 break;
 
             netcode = item->GetNet();

eeschema/sch_collectors.h

@@ -260,6 +260,7 @@ public:
         m_foundIndex = 0;
         SetForceSearch( false );
         m_sheetPath = NULL;
+        m_lib_hash = 0;
     }
 
     void Empty()

pcbnew/class_netinfo.h

@@ -119,6 +119,12 @@ public:
 class NETINFO_MAPPING
 {
 public:
+    NETINFO_MAPPING()
+    {
+        m_board = NULL;
+    }
+
+
     /**
      * Function SetBoard
      * Sets a BOARD object that is used to prepare the net code map.

pcbnew/edit.cpp

@@ -1677,7 +1677,8 @@ void PCB_BASE_EDIT_FRAME::createArray()
             case PCB_TEXT_T:
             {
                 EDA_TEXT* text = dynamic_cast<EDA_TEXT*>( new_item );
-                text->SetText( array_opts->InterpolateNumberIntoString( ptN, cachedString ) );
+                if( text )
+                    text->SetText( array_opts->InterpolateNumberIntoString( ptN, cachedString ) );
 
                 break;
             }

pcbnew/router/pns_line.h

@@ -67,6 +67,7 @@ public:
     {
         m_segmentRefs = NULL;
         m_hasVia = false;
+        m_width = 1;        // Dummy value
     }
 
     PNS_LINE( const PNS_LINE& aOther ) ;

pcbnew/router/pns_via.h

@@ -35,7 +35,11 @@ class PNS_VIA : public PNS_ITEM
 public:
     PNS_VIA() :
         PNS_ITEM( VIA )
-    {}
+    {
+        m_diameter = 2;     // Dummy value
+        m_drill = 0;
+        m_viaType = VIA_THROUGH;
+    }
 
     PNS_VIA( const VECTOR2I& aPos, const PNS_LAYERSET& aLayers,
              int aDiameter, int aDrill, int aNet = -1, VIATYPE_T aViaType = VIA_THROUGH ) :

pcbnew/tools/edit_tool.cpp

@@ -950,7 +950,8 @@ int EDIT_TOOL::CreateArray( const TOOL_EVENT& aEvent )
                     case PCB_TEXT_T:
                     {
                         EDA_TEXT* text = dynamic_cast<EDA_TEXT*>( newItem );
-                        text->SetText( array_opts->InterpolateNumberIntoString( ptN, cachedString ) );
+                        if( text )
+                            text->SetText( array_opts->InterpolateNumberIntoString( ptN, cachedString ) );
 
                         originalItemsModified = true;
                         break;