zones in pcbnew: some optimizations

pcbnew/class_pad.h

@@ -174,8 +174,8 @@ public:
 
     /**
      * Function GetBoundingBox
-     * returns the bounding box of this Footprint
-     * Mainly used to redraw the screen area occuped by the footprint
+     * returns the bounding box of this pad
+     * Mainly used to redraw the screen area occuped by the pad
      */
     EDA_Rect GetBoundingBox();
 

pcbnew/class_zone.cpp

@@ -11,6 +11,8 @@
 #include "PolyLine.h"
 #include "pcbnew.h"
 #include "trigo.h"
+#include "zones.h"
+#include "autorout.h"
 
 
 /************************/
@@ -21,18 +23,18 @@ ZONE_CONTAINER::ZONE_CONTAINER( BOARD* parent ) :
     BOARD_ITEM( parent, TYPEZONE_CONTAINER )
 
 {
-    m_NetCode = -1;                             // Net number for fast comparisons
+    m_NetCode = -1;                                                             // Net number for fast comparisons
     m_CornerSelection = -1;
-    m_ZoneClearance   = 200;                    // a reasonnable clerance value
-    m_GridFillValue   = 50;                     // a reasonnable grid used for filling
-    m_PadOption = THERMAL_PAD;
-    utility  = 0;                               // flags used in polygon calculations
-    utility2 = 0;                               // flags used in polygon calculations
-    m_Poly   = new CPolyLine();                 // Outlines
-    m_ArcToSegmentsCount = 16;                  // Use 16 segment to convert a circle to a polygon
+    m_ZoneClearance   = g_DesignSettings.m_ZoneClearence;                       // a reasonnable clerance value
+    m_GridFillValue   = g_GridRoutingSize;                                      // a reasonnable grid used for filling
+    m_PadOption = g_Zone_Pad_Options;
+    utility  = 0;                                                               // flags used in polygon calculations
+    utility2 = 0;                                                               // flags used in polygon calculations
+    m_Poly   = new CPolyLine();                                                 // Outlines
+    m_ArcToSegmentsCount = g_Zone_Arc_Approximation;                            // Use 16 or 32segment to convert a circle to a polygon
     m_DrawOptions = 0;
-    m_ThermalReliefGapValue = 200;              // tickness of the gap in thermal reliefs
-    m_ThermalReliefCopperBridgeValue = 200;     // tickness of the copper bridge in thermal reliefs
+    m_ThermalReliefGapValue = g_ThermalReliefGapValue;                          // tickness of the gap in thermal reliefs
+    m_ThermalReliefCopperBridgeValue = g_ThermalReliefCopperBridgeValue;        // tickness of the copper bridge in thermal reliefs
 }
 
 
@@ -141,7 +143,7 @@ bool ZONE_CONTAINER::Save( FILE* aFile ) const
         return false;
 
     ret = fprintf( aFile, "ZOptions %d %d %c %d %d\n", m_GridFillValue, m_ArcToSegmentsCount,
-        m_DrawOptions ? 'S' : 'F' , m_ThermalReliefGapValue, m_ThermalReliefCopperBridgeValue);
+        m_DrawOptions ? 'S' : 'F', m_ThermalReliefGapValue, m_ThermalReliefCopperBridgeValue );
     if( ret < 3 )
         return false;
 
@@ -274,8 +276,8 @@ int ZONE_CONTAINER::ReadDescr( FILE* aFile, int* aLineNum )
         }
         if( strnicmp( Line, "ZOptions", 8 ) == 0 )    // Options info found
         {
-            int gridsize = 50;
-            int arcsegmentcount = 16;
+            int  gridsize = 50;
+            int  arcsegmentcount = 16;
             char drawopt = 'F';
             text = Line + 8;
             ret  = sscanf( text, "%d %d %c %d %d", &gridsize, &arcsegmentcount, &drawopt,
@@ -587,7 +589,7 @@ void ZONE_CONTAINER::DrawWhileCreateOutline( WinEDA_DrawPanel* panel, wxDC* DC,
 
     // draw the lines
     wxPoint start_contour_pos = GetCornerPosition( 0 );
-    int icmax = GetNumCorners() - 1;
+    int     icmax = GetNumCorners() - 1;
     for( int ic = 0; ic <= icmax; ic++ )
     {
         int xi = GetCornerPosition( ic ).x;
@@ -609,8 +611,9 @@ void ZONE_CONTAINER::DrawWhileCreateOutline( WinEDA_DrawPanel* panel, wxDC* DC,
             current_gr_mode  = GR_XOR;
             xf = start_contour_pos.x;
             yf = start_contour_pos.y;
+
             // Prepare the next contour for drawing, if exists
-            if ( ic < icmax )
+            if( ic < icmax )
                 start_contour_pos = GetCornerPosition( ic + 1 );
         }
         GRSetDrawMode( DC, current_gr_mode );

pcbnew/dialog_copper_zones.cpp

@@ -61,18 +61,18 @@ void dialog_copper_zone::OnInitDialog( wxInitDialogEvent& event )
 
     SetFocus();     // Required under wxGTK if we want to demiss the dialog with the ESC key
 
-    wxString title = _( "Zone clearance value:" ) + ReturnUnitSymbol( g_UnitMetric );
-    m_ClearanceValueTitle->SetLabel( title );
+    wxString msg = _( "Zone clearance value:" ) + ReturnUnitSymbol( g_UnitMetric );
+    m_ClearanceValueTitle->SetLabel( msg );
 
-    title = _( "Grid :" ) + ReturnUnitSymbol( g_UnitMetric );
-    m_GridCtrl->SetLabel( title );
+    msg = _( "Grid :" ) + ReturnUnitSymbol( g_UnitMetric );
+    m_GridCtrl->SetLabel( msg );
 
     if( g_DesignSettings.m_ZoneClearence == 0 )
         g_DesignSettings.m_ZoneClearence = g_DesignSettings.m_TrackClearence;
-    title = ReturnStringFromValue( g_UnitMetric,
+    msg = ReturnStringFromValue( g_UnitMetric,
                                    g_DesignSettings.m_ZoneClearence,
                                    m_Parent->m_InternalUnits );
-    m_ZoneClearanceCtrl->SetValue( title );
+    m_ZoneClearanceCtrl->SetValue( msg );
 
     if( g_Zone_45_Only )
         m_OrientEdgesOpt->SetSelection( 1 );
@@ -87,7 +87,7 @@ void dialog_copper_zone::OnInitDialog( wxInitDialogEvent& event )
 
     for( unsigned ii = 0; ii < 4; ii++ )
     {
-        wxString msg = ReturnStringFromValue( g_UnitMetric,
+        msg = ReturnStringFromValue( g_UnitMetric,
                                               GridList[ii],
                                               m_Parent->m_InternalUnits );
         m_GridCtrl->SetString( ii, msg );
@@ -101,10 +101,10 @@ void dialog_copper_zone::OnInitDialog( wxInitDialogEvent& event )
 
     if( m_Zone_Container )
     {
-        title = ReturnStringFromValue( g_UnitMetric,
+        msg = ReturnStringFromValue( g_UnitMetric,
                                     m_Zone_Container->m_ZoneClearance,
                                     m_Parent->m_InternalUnits );
-        m_ZoneClearanceCtrl->SetValue( title );
+        m_ZoneClearanceCtrl->SetValue( msg );
 
         switch( m_Zone_Container->m_PadOption )
         {
@@ -193,7 +193,6 @@ void dialog_copper_zone::OnInitDialog( wxInitDialogEvent& event )
     int layer_cnt = board->GetCopperLayerCount();
     for( int ii = 0; ii < board->GetCopperLayerCount(); ii++ )
     {
-        wxString msg;
         int      layer_number = COPPER_LAYER_N;
 
         if( layer_cnt <= 1 || ii < layer_cnt - 1 )

pcbnew/zones.h

@@ -28,6 +28,7 @@ enum zone_cmd {
 /* variables used in zone dialogs and functions */
 /************************************************/
 
+// @todo: make a class like ZONE_GENERAL_SETTING instead of many global variables
 eda_global bool g_Zone_45_Only
 #ifdef MAIN
 = FALSE

pcbnew/zones_by_polygon.cpp

@@ -68,6 +68,16 @@ void WinEDA_PcbFrame::Add_Similar_Zone( wxDC* DC, ZONE_CONTAINER* zone_container
         return;
     s_AddCutoutToCurrentZone = false;
     s_CurrentZone = zone_container;
+
+    /* set zones setup to the current zone */
+    g_Zone_Hatching = zone_container->m_Poly->GetHatchStyle();
+    g_Zone_Arc_Approximation = zone_container->m_ArcToSegmentsCount;
+    g_ThermalReliefGapValue = zone_container->m_ThermalReliefGapValue;
+    g_ThermalReliefCopperBridgeValue = zone_container->m_ThermalReliefCopperBridgeValue;
+    g_GridRoutingSize = zone_container->m_GridFillValue;
+    g_Zone_Pad_Options = zone_container->m_PadOption;
+
+    // Use the general event handle to set others params (like toolbar) */
     wxCommandEvent evt;
     evt.SetId( ID_PCB_ZONES_BUTT );
     Process_Special_Functions( evt );
@@ -89,6 +99,16 @@ void WinEDA_PcbFrame::Add_Zone_Cutout( wxDC* DC, ZONE_CONTAINER* zone_container
         return;
     s_AddCutoutToCurrentZone = true;
     s_CurrentZone = zone_container;
+
+    /* set zones setup to the current zone */
+    g_Zone_Hatching = zone_container->m_Poly->GetHatchStyle();
+    g_Zone_Arc_Approximation = zone_container->m_ArcToSegmentsCount;
+    g_ThermalReliefGapValue = zone_container->m_ThermalReliefGapValue;
+    g_ThermalReliefCopperBridgeValue = zone_container->m_ThermalReliefCopperBridgeValue;
+    g_GridRoutingSize = zone_container->m_GridFillValue;
+    g_Zone_Pad_Options = zone_container->m_PadOption;
+
+    // Use the general event handle to set others params (like toolbar) */
     wxCommandEvent evt;
     evt.SetId( ID_PCB_ZONES_BUTT );
     Process_Special_Functions( evt );
@@ -909,17 +929,16 @@ int WinEDA_PcbFrame::Fill_Zone( wxDC* DC, ZONE_CONTAINER* zone_container, bool v
     wxBusyCursor dummy;     // Shows an hourglass cursor (removed by its destructor)
 
     int          error_level = 0;
+    zone_container->m_FilledPolysList.clear();
     if( zone_container->m_GridFillValue == 0 )
     {
-        zone_container->m_FilledPolysList.clear();
         zone_container->BuildFilledPolysListData( m_Pcb );
         if ( DC )
             DrawPanel->Refresh();
     }
     else
     {
-        zone_container->m_FilledPolysList.clear();
-        zone_container->m_GridFillValue = g_GridRoutingSize;
+        g_GridRoutingSize = zone_container->m_GridFillValue;
         error_level = zone_container->Fill_Zone( this, DC, verbose );
     }
 

pcbnew/zones_convert_brd_items_to_polygons.cpp

@@ -91,6 +91,12 @@ void ZONE_CONTAINER::AddClearanceAreasPolygonsToPolysList( BOARD* aPcb )
 
     /* Add holes (i.e. tracks and pads areas as polygons outlines)
      * in GroupB in Bool_Engine
+     */
+    /* items ouside the zone bounding box are skipped */
+    EDA_Rect item_boundingbox;
+    EDA_Rect zone_boundingbox = GetBoundingBox();
+    zone_boundingbox.Inflate(m_ZoneClearance, m_ZoneClearance);
+    /*
      * First : Add pads
      */
     for( MODULE* module = aPcb->m_Modules;  module;  module = module->Next() )
@@ -102,19 +108,26 @@ void ZONE_CONTAINER::AddClearanceAreasPolygonsToPolysList( BOARD* aPcb )
 
             if( pad->GetNet() != GetNet() )
             {
-                AddPadWithClearancePolygon( booleng, *pad, m_ZoneClearance );
+                item_boundingbox = pad->GetBoundingBox();
+                if ( item_boundingbox.Intersects( zone_boundingbox ) )
+                    AddPadWithClearancePolygon( booleng, *pad, m_ZoneClearance );
                 continue;
             }
 
             switch( m_PadOption )
             {
             case PAD_NOT_IN_ZONE:
-                AddPadWithClearancePolygon( booleng, *pad, m_ZoneClearance );
+                item_boundingbox = pad->GetBoundingBox();
+                if ( item_boundingbox.Intersects( zone_boundingbox ) )
+                    AddPadWithClearancePolygon( booleng, *pad, m_ZoneClearance );
                 break;
 
             case THERMAL_PAD:
-                AddThermalReliefPadPolygon( booleng, *pad,
-                    m_ThermalReliefGapValue, m_ThermalReliefCopperBridgeValue );
+                item_boundingbox = pad->GetBoundingBox();
+                item_boundingbox.Inflate(m_ThermalReliefGapValue, m_ThermalReliefGapValue);
+                if ( item_boundingbox.Intersects( zone_boundingbox ) )
+                    AddThermalReliefPadPolygon( booleng, *pad,
+                        m_ThermalReliefGapValue, m_ThermalReliefCopperBridgeValue );
                 break;
 
             case PAD_IN_ZONE:
@@ -133,7 +146,9 @@ void ZONE_CONTAINER::AddClearanceAreasPolygonsToPolysList( BOARD* aPcb )
             continue;
         if( track->GetNet() == GetNet() )
             continue;
-        AddTrackWithClearancePolygon( booleng, *track, m_ZoneClearance );
+        item_boundingbox = track->GetBoundingBox();
+        if ( item_boundingbox.Intersects( zone_boundingbox ) )
+            AddTrackWithClearancePolygon( booleng, *track, m_ZoneClearance );
     }
 
     // Draw graphic items (copper texts) and board edges
@@ -501,7 +516,7 @@ void    AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
         {
             if( aBooleng->StartPolygonAdd( GROUP_B ) )
             {
-                for( int ic = 0; ic < corners_buffer.size(); ic++ )
+                for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
                 {
                     wxPoint cpos = corners_buffer[ic];
                     RotatePoint( &cpos, angle );
@@ -517,11 +532,11 @@ void    AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
         }
 
         // Create holes, that are the mirrored from the previous holes
-        for( int i = 0; i < corners_buffer.size(); i++ )
+        for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
         {
-            wxPoint swap = corners_buffer[i];
+            wxPoint swap = corners_buffer[ic];
             swap = wxPoint( -swap.x, swap.y );
-            corners_buffer[i] = swap;
+            corners_buffer[ic] = swap;
         }
 
         // Now add corner 4 and 2 (2 is the corner 4 rotated by 180 deg
@@ -530,7 +545,7 @@ void    AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
         {
             if( aBooleng->StartPolygonAdd( GROUP_B ) )
             {
-                for( int ic = 0; ic < corners_buffer.size(); ic++ )
+                for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
                 {
                     wxPoint cpos = corners_buffer[ic];
                     RotatePoint( &cpos, angle );