Pcbnew: Fix bug 811437 . This bug (due to duplicate time stamps), cannot happen with usual boards, only when 2 identical board (from the same .brd file) are append.

include/wxPcbStruct.h

@@ -902,15 +902,16 @@ public:
     // zone handling
 
     /**
-     * Function Delete_Zone_Fill (obsolete)
+     * Function Delete_OldZone_Fill (obsolete)
+     * Used for compatibility with old boards
      * Remove the zone filling which include the segment aZone, or the zone
-     * which have the given time stamp.  A zone is a group of segments which
+     * which have the given time stamp.
-     * have the same TimeStamp
+     * For old boards, a zone is a group of SEGZONE segments which have the same TimeStamp
      * @param aZone = zone segment within the zone to delete. Can be NULL
      * @param aTimestamp = Timestamp for the zone to delete, used if aZone ==
      *                     NULL
      */
-    void Delete_Zone_Fill( SEGZONE* aZone, long aTimestamp = 0 );
+    void Delete_OldZone_Fill( SEGZONE* aZone, long aTimestamp = 0 );
 
 
     /**

pcbnew/class_zone.cpp

@@ -47,6 +47,22 @@ ZONE_CONTAINER::~ZONE_CONTAINER()
     m_Poly = NULL;
 }
 
+/**
+ * Function UnFill
+ * Removes the zone filling
+ * @return true if a previous filling is removed, false if no change
+ * (when no filling found)
+ */
+bool ZONE_CONTAINER::UnFill()
+{
+    bool change = ( m_FilledPolysList.size() > 0 ) || ( m_FillSegmList.size() > 0 );
+
+    m_FilledPolysList.clear();
+    m_FillSegmList.clear();
+    m_IsFilled = false;
+
+    return change;
+}
 
 /**
  * Function GetPosition (virtual)

pcbnew/class_zone.h

@@ -289,6 +289,13 @@ public:
      */
     int  Fill_Zone_Areas_With_Segments();
 
+    /**
+     * Function UnFill
+     * Removes the zone filling
+     * @return true if a previous filling is removed, false if no change
+     * (when no filling found)
+     */
+    bool  UnFill();
 
     /* Geometric transformations: */
 

pcbnew/edit.cpp

@@ -381,7 +381,7 @@ void PCB_EDIT_FRAME::Process_Special_Functions( wxCommandEvent& event )
         {
             SEGZONE* zsegm   = (SEGZONE*) GetCurItem();
             int      netcode = zsegm->GetNet();
-            Delete_Zone_Fill( zsegm );
+            Delete_OldZone_Fill( zsegm );
             SetCurItem( NULL );
             test_1_net_connexion( NULL, netcode );
             OnModify();
@@ -498,7 +498,7 @@ void PCB_EDIT_FRAME::Process_Special_Functions( wxCommandEvent& event )
         if( ( GetCurItem() )->Type() == TYPE_ZONE_CONTAINER )
         {
             ZONE_CONTAINER* zone_container = (ZONE_CONTAINER*) GetCurItem();
-            Delete_Zone_Fill( NULL, zone_container->m_TimeStamp );
+            zone_container->UnFill();
             test_1_net_connexion( NULL, zone_container->GetNet() );
             OnModify();
             GetBoard()->DisplayInfo( this );
@@ -1058,7 +1058,7 @@ void PCB_EDIT_FRAME::RemoveStruct( BOARD_ITEM* Item, wxDC* DC )
         break;
 
     case TYPE_ZONE:
-        Delete_Zone_Fill( (SEGZONE*) Item );
+        Delete_OldZone_Fill( (SEGZONE*) Item );
         break;
 
     case TYPE_ZONE_EDGE_CORNER:

pcbnew/zones_by_polygon.cpp

@@ -335,7 +335,7 @@ void PCB_EDIT_FRAME::Remove_Zone_Corner( wxDC* DC, ZONE_CONTAINER* zone_containe
         DrawPanel->RefreshDrawingRect( zone_container->GetBoundingBox() );
         if( DC )
         {  // Remove the full zone because this is no more an area
-            Delete_Zone_Fill( NULL, zone_container->m_TimeStamp );
+            zone_container->UnFill();
             zone_container->DrawFilledArea( DrawPanel, DC, GR_XOR );
         }
         GetBoard()->Delete( zone_container );
@@ -851,7 +851,11 @@ void PCB_EDIT_FRAME::Delete_Zone_Contour( wxDC* DC, ZONE_CONTAINER* zone_contain
 
     EDA_RECT dirty = zone_container->GetBoundingBox();
 
-    Delete_Zone_Fill( NULL, zone_container->m_TimeStamp );  // Remove fill segments
+    // For compatibility with old boards: remove old SEGZONE fill segments
+    Delete_OldZone_Fill( NULL, zone_container->m_TimeStamp );
+
+    // Remove current filling:
+    zone_container->UnFill();
 
     if( ncont == 0 )    // This is the main outline: remove all
     {

pcbnew/zones_by_polygon_fill_functions.cpp

@@ -36,13 +36,14 @@
 
 
 /**
- * Function Delete_Zone_Fill
+ * Function Delete_OldZone_Fill (obsolete)
- * Remove the zone fillig which include the segment aZone, or the zone which have the given time stamp.
+ * Used for compatibility with old boards
+ * Remove the zone filling which include the segment aZone, or the zone which have the given time stamp.
  * A zone is a group of segments which have the same TimeStamp
  * @param aZone = zone segment within the zone to delete. Can be NULL
  * @param aTimestamp = Timestamp for the zone to delete, used if aZone == NULL
  */
-void PCB_EDIT_FRAME::Delete_Zone_Fill( SEGZONE* aZone, long aTimestamp )
+void PCB_EDIT_FRAME::Delete_OldZone_Fill( SEGZONE* aZone, long aTimestamp )
 {
     bool          modify  = false;
     unsigned long TimeStamp;
@@ -64,19 +65,6 @@ void PCB_EDIT_FRAME::Delete_Zone_Fill( SEGZONE* aZone, long aTimestamp )
         }
     }
 
-    // Now delete the outlines of the corresponding copper areas (deprecated)
-    for( int ii = 0; ii < GetBoard()->GetAreaCount(); ii++ )
-    {
-        ZONE_CONTAINER* zone = GetBoard()->GetArea( ii );
-        if( zone->m_TimeStamp == TimeStamp )
-        {
-            modify = TRUE;
-            zone->m_FilledPolysList.clear();
-            zone->m_FillSegmList.clear();
-            zone->m_IsFilled = false;
-        }
-    }
-
     if( modify )
     {
         OnModify();
@@ -120,7 +108,7 @@ int PCB_EDIT_FRAME::Fill_Zone( ZONE_CONTAINER* zone_container, bool verbose )
     wxBusyCursor dummy;     // Shows an hourglass cursor (removed by its destructor)
 
     zone_container->m_FilledPolysList.clear();
-    Delete_Zone_Fill( NULL, zone_container->m_TimeStamp );
+    zone_container->UnFill();
     zone_container->BuildFilledPolysListData( GetBoard() );
 
     OnModify();