Showing net names on pads.

include/layers_id_colors_and_visibility.h

@@ -216,8 +216,9 @@ enum PCB_VISIBLE
     TRACKS_VISIBLE,
     TRACKS_NETNAMES_VISIBLE,
     PADS_VISIBLE,
-    VIA_HOLES_VISIBLE,
+    PADS_NETNAMES_VISIBLE,
-    PAD_HOLES_VISIBLE,
+    PADS_HOLES_VISIBLE,
+    VIAS_HOLES_VISIBLE,
 
     END_PCB_VISIBLE_LIST  // sentinel
 };

pcbnew/basepcbframe.cpp

@@ -94,7 +94,8 @@ const int m_galLayerOrder[] =
 		ITEM_GAL_LAYER( MOD_REFERENCES_VISIBLE), ITEM_GAL_LAYER( MOD_VALUES_VISIBLE ),
 		SILKSCREEN_N_FRONT, SOLDERPASTE_N_FRONT, ADHESIVE_N_FRONT, SOLDERMASK_N_FRONT,
 
-		ITEM_GAL_LAYER( VIA_HOLES_VISIBLE ), ITEM_GAL_LAYER( PAD_HOLES_VISIBLE ),
+		ITEM_GAL_LAYER( PADS_NETNAMES_VISIBLE ),
+		ITEM_GAL_LAYER( VIAS_HOLES_VISIBLE ), ITEM_GAL_LAYER( PADS_HOLES_VISIBLE ),
 		ITEM_GAL_LAYER( VIAS_VISIBLE ), ITEM_GAL_LAYER( PADS_VISIBLE ),
 
 		ITEM_GAL_LAYER( TRACKS_NETNAMES_VISIBLE ), ITEM_GAL_LAYER( PAD_FR_VISIBLE ),
@@ -227,6 +228,7 @@ void PCB_BASE_FRAME::SetBoard( BOARD* aBoard )
         // Netnames are drawn only when scale is sufficient (level of details)
         // so there is no point in caching them
         view->SetLayerCached( ITEM_GAL_LAYER( TRACKS_NETNAMES_VISIBLE ), false );
+        view->SetLayerCached( ITEM_GAL_LAYER( PADS_NETNAMES_VISIBLE ), false );
 
         // Load layer & elements visibility settings
         for( unsigned int i = 0; i < NB_LAYERS; ++i )

pcbnew/class_pad.cpp

@@ -746,36 +746,36 @@ EDA_ITEM* D_PAD::Clone() const
 
 void D_PAD::ViewGetLayers( int aLayers[], int& aCount ) const
 {
+    aCount = 0;
+
     if( m_Attribute == PAD_SMD || m_Attribute == PAD_CONN )
     {
         // Single layer pad (smd) without hole
         if( IsOnLayer( LAYER_N_FRONT ) )
-            aLayers[0] = ITEM_GAL_LAYER( PAD_FR_VISIBLE );
+            aLayers[aCount++] = ITEM_GAL_LAYER( PAD_FR_VISIBLE );
         else if( IsOnLayer( LAYER_N_BACK ) )
-            aLayers[0] = ITEM_GAL_LAYER( PAD_BK_VISIBLE );
+            aLayers[aCount++] = ITEM_GAL_LAYER( PAD_BK_VISIBLE );
 #ifdef __WXDEBUG__
         else    // Should not occur
         {
             wxLogWarning( wxT("D_PAD::ViewGetLayers():PAD on layer different than FRONT/BACK") );
         }
 #endif
-
-        aCount = 1;
     }
     else
     {
         if( IsOnLayer( LAYER_N_FRONT ) && IsOnLayer( LAYER_N_BACK ) )
         {
             // Multi layer pad
-            aLayers[0] = ITEM_GAL_LAYER( PADS_VISIBLE );
+            aLayers[aCount++] = ITEM_GAL_LAYER( PADS_VISIBLE );
         }
         else if( IsOnLayer( LAYER_N_FRONT ) )
         {
-            aLayers[0] = ITEM_GAL_LAYER( PAD_FR_VISIBLE );
+            aLayers[aCount++] = ITEM_GAL_LAYER( PAD_FR_VISIBLE );
         }
         else if( IsOnLayer( LAYER_N_BACK ) )
         {
-            aLayers[0] = ITEM_GAL_LAYER( PAD_BK_VISIBLE );
+            aLayers[aCount++] = ITEM_GAL_LAYER( PAD_BK_VISIBLE );
         }
 #ifdef __WXDEBUG__
         else    // Should not occur
@@ -785,9 +785,31 @@ void D_PAD::ViewGetLayers( int aLayers[], int& aCount ) const
 #endif
 
         // Draw a hole
-        aLayers[1] = ITEM_GAL_LAYER( PAD_HOLES_VISIBLE );
+        aLayers[aCount++] = ITEM_GAL_LAYER( PADS_HOLES_VISIBLE );
-
-        aCount = 2;
-    }
     }
 
+    // Pad description layer (number & net)
+    aLayers[aCount++] = ITEM_GAL_LAYER( PADS_NETNAMES_VISIBLE );
+}
+
+
+void D_PAD::ViewGetRequiredLayers( int aLayers[], int& aCount ) const
+{
+    ViewGetLayers( aLayers, aCount );
+
+    // Remove pad description layer from the required layers group
+    aCount--;
+}
+
+
+unsigned int D_PAD::ViewGetLOD( int aLayer ) const
+{
+    // Netnames will be shown only if zoom is appropriate
+    if( aLayer == ITEM_GAL_LAYER( PADS_NETNAMES_VISIBLE ) )
+    {
+        return ( 100000000 / std::max( m_Size.x, m_Size.y ) );
+    }
+
+    // Other layers are shown without any conditions
+    return 0;
+}

pcbnew/class_pad.h

@@ -433,6 +433,12 @@ public:
     /// @copydoc VIEW_ITEM::ViewGetLayers()
     virtual void ViewGetLayers( int aLayers[], int& aCount ) const;
 
+    /// @copydoc VIEW_ITEM::ViewGetRequiredLayers()
+    virtual void ViewGetRequiredLayers( int aLayers[], int& aCount ) const;
+
+    /// @copydoc VIEW_ITEM::ViewGetLOD()
+    virtual unsigned int ViewGetLOD( int aLayer ) const;
+
     /**
      * Function CopyNetlistSettings
      * copies the netlist settings to \a aPad.

pcbnew/class_track.cpp

@@ -996,7 +996,7 @@ void SEGVIA::ViewGetLayers( int aLayers[], int& aCount ) const
 {
     // Just show it on common via & via holes layers
     aLayers[0] = ITEM_GAL_LAYER( VIAS_VISIBLE );
-    aLayers[1] = ITEM_GAL_LAYER( VIA_HOLES_VISIBLE );
+    aLayers[1] = ITEM_GAL_LAYER( VIAS_HOLES_VISIBLE );
     aCount = 2;
 }
 

pcbnew/pcb_painter.cpp

@@ -68,8 +68,8 @@ void PCB_RENDER_SETTINGS::ImportLegacyColors( COLORS_DESIGN_SETTINGS* aSettings
     }
 
     // Default colors for specific layers
-    m_itemColors[VIA_HOLES_VISIBLE]         = COLOR4D( 0.5, 0.4, 0.0, 1.0 );
+    m_itemColors[VIAS_HOLES_VISIBLE]         = COLOR4D( 0.5, 0.4, 0.0, 1.0 );
-    m_itemColors[PAD_HOLES_VISIBLE]         = COLOR4D( 0.0, 0.5, 0.5, 1.0 );
+    m_itemColors[PADS_HOLES_VISIBLE]         = COLOR4D( 0.0, 0.5, 0.5, 1.0 );
     m_itemColors[VIAS_VISIBLE]              = COLOR4D( 0.7, 0.7, 0.7, 1.0 );
     m_itemColors[PADS_VISIBLE]              = COLOR4D( 0.7, 0.7, 0.7, 1.0 );
     m_itemColors[TRACKS_NETNAMES_VISIBLE]   = COLOR4D( 0.9, 0.9, 0.9, 1.0 );
@@ -321,7 +321,7 @@ void PCB_PAINTER::draw( const SEGVIA* aVia, int aLayer )
     {
         radius = aVia->GetWidth() / 2.0;
     }
-    else if( aLayer == ITEM_GAL_LAYER( VIA_HOLES_VISIBLE ) )
+    else if( aLayer == ITEM_GAL_LAYER( VIAS_HOLES_VISIBLE ) )
     {
         radius = aVia->GetDrillValue() / 2.0;
     }
@@ -354,11 +354,73 @@ void PCB_PAINTER::draw( const D_PAD* aPad, int aLayer )
 {
     COLOR4D     color;
     VECTOR2D    size;
+    VECTOR2D    position( aPad->GetPosition() );
     PAD_SHAPE_T shape;
     double      m, n;
+    double      orientation = aPad->GetOrientation();
+    NORMALIZE_ANGLE_90( orientation );  // do not display descriptions upside down
+    orientation = orientation * M_PI / 1800.0;
 
     color = getLayerColor( aLayer, aPad->GetNet() );
 
+    // Draw description layer
+    if( aLayer == ITEM_GAL_LAYER( PADS_NETNAMES_VISIBLE ) )
+    {
+        size = VECTOR2D( aPad->GetSize() / 2 );
+
+        // Font size limits
+        if( size.x > PCB_RENDER_SETTINGS::MAX_FONT_SIZE )
+            size.x = PCB_RENDER_SETTINGS::MAX_FONT_SIZE;
+        if( size.y > PCB_RENDER_SETTINGS::MAX_FONT_SIZE )
+            size.y = PCB_RENDER_SETTINGS::MAX_FONT_SIZE;
+
+        // Keep the size ratio for the font, but make it smaller
+        if( size.x < size.y )
+        {
+            orientation -= M_PI / 2;
+            size.y = size.x * 4.0 / 3.0;
+        }
+        else
+        {
+            size.x = size.y * 3.0 / 4.0;
+        }
+
+        m_gal->Save();
+        m_gal->Translate( position );
+        m_gal->Rotate( -orientation );
+
+        // Default font settings
+        m_gal->SetHorizontalJustify( GR_TEXT_HJUSTIFY_CENTER );
+        m_gal->SetVerticalJustify( GR_TEXT_VJUSTIFY_CENTER );
+        m_gal->SetBold( false );
+        m_gal->SetItalic( false );
+        m_gal->SetMirrored( false );
+        m_gal->SetStrokeColor( color );
+
+        // Let's make some space for a netname too, if there's one to display
+        if( !aPad->GetNetname().empty() )
+        {
+            size = size / 2.0;
+            m_gal->SetGlyphSize( size );
+            m_gal->SetLineWidth( size.y / 10.0 );
+
+            m_gal->StrokeText( std::string( aPad->GetNetname().mb_str() ),
+                                 VECTOR2D( 0, size.y ), 0.0 );
+            m_gal->Translate( VECTOR2D( 0.0, -size.y / 2.0 ) );
+        }
+        else
+        {
+            // In case when there's no netname assigned
+            m_gal->SetGlyphSize( size );
+            m_gal->SetLineWidth( size.y / 10.0 );
+        }
+
+        m_gal->StrokeText( std::string( aPad->GetPadName().mb_str() ), VECTOR2D( 0, 0 ), 0.0 );
+
+        m_gal->Restore();
+        return;
+    }
+
     if( m_pcbSettings->m_sketchModeSelect[PADS_VISIBLE] )
     {
         // Outline mode
@@ -380,7 +442,7 @@ void PCB_PAINTER::draw( const D_PAD* aPad, int aLayer )
     m_gal->Rotate( -aPad->GetOrientation() * M_PI / 1800.0 );    // orientation is in tenths of degree
 
     // Choose drawing settings depending on if we are drawing a pad itself or a hole
-    if( aLayer == ITEM_GAL_LAYER( PAD_HOLES_VISIBLE ) )
+    if( aLayer == ITEM_GAL_LAYER( PADS_HOLES_VISIBLE ) )
     {
         // Drawing hole
         size  = VECTOR2D( aPad->GetDrillSize() ) / 2.0;

pcbnew/pcb_painter.h

@@ -105,6 +105,8 @@ protected:
     bool    m_visibleLayers   [NB_LAYERS];
     bool    m_visibleItems    [END_PCB_VISIBLE_LIST];
 
+    static const double MAX_FONT_SIZE = 1500000;
+
     DisplayZonesMode m_displayZoneMode;
 };