Added drawing of solderpaste layer for pads.

include/layers_id_colors_and_visibility.h

@@ -261,13 +261,13 @@ const LAYER_NUM GalLayerOrder[] =
     UNUSED_LAYER_29, UNUSED_LAYER_30, UNUSED_LAYER_31,
     ITEM_GAL_LAYER( MOD_TEXT_FR_VISIBLE ),
     ITEM_GAL_LAYER( MOD_REFERENCES_VISIBLE), ITEM_GAL_LAYER( MOD_VALUES_VISIBLE ),
-    SILKSCREEN_N_FRONT, SOLDERPASTE_N_FRONT, ADHESIVE_N_FRONT,
 
     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( PAD_FR_NETNAMES_VISIBLE ), ITEM_GAL_LAYER( PAD_FR_VISIBLE ), SOLDERMASK_N_FRONT,
     ITEM_GAL_LAYER( LAYER_16_NETNAMES_VISIBLE ), LAYER_N_FRONT,
+    SILKSCREEN_N_FRONT, SOLDERPASTE_N_FRONT, ADHESIVE_N_FRONT,
     ITEM_GAL_LAYER( LAYER_15_NETNAMES_VISIBLE ), LAYER_N_15,
     ITEM_GAL_LAYER( LAYER_14_NETNAMES_VISIBLE ), LAYER_N_14,
     ITEM_GAL_LAYER( LAYER_13_NETNAMES_VISIBLE ), LAYER_N_13,

pcbnew/class_pad.cpp

@@ -424,7 +424,7 @@ int D_PAD::GetSolderMaskMargin() const
 }
 
 
-wxSize D_PAD::GetSolderPasteMargin()
+wxSize D_PAD::GetSolderPasteMargin() const
 {
     int     margin = m_LocalSolderPasteMargin;
     double  mratio = m_LocalSolderPasteMarginRatio;
@@ -759,18 +759,22 @@ void D_PAD::ViewGetLayers( int aLayers[], int& aCount ) const
         aLayers[aCount++] = ITEM_GAL_LAYER( PADS_NETNAMES_VISIBLE );
         aLayers[aCount++] = SOLDERMASK_N_FRONT;
         aLayers[aCount++] = SOLDERMASK_N_BACK;
+        aLayers[aCount++] = SOLDERPASTE_N_FRONT;
+        aLayers[aCount++] = SOLDERPASTE_N_BACK;
     }
     else if( IsOnLayer( LAYER_N_FRONT ) )
     {
         aLayers[aCount++] = ITEM_GAL_LAYER( PAD_FR_VISIBLE );
         aLayers[aCount++] = ITEM_GAL_LAYER( PAD_FR_NETNAMES_VISIBLE );
         aLayers[aCount++] = SOLDERMASK_N_FRONT;
+        aLayers[aCount++] = SOLDERPASTE_N_FRONT;
     }
     else if( IsOnLayer( LAYER_N_BACK ) )
     {
         aLayers[aCount++] = ITEM_GAL_LAYER( PAD_BK_VISIBLE );
         aLayers[aCount++] = ITEM_GAL_LAYER( PAD_BK_NETNAMES_VISIBLE );
         aLayers[aCount++] = SOLDERMASK_N_BACK;
+        aLayers[aCount++] = SOLDERPASTE_N_BACK;
     }
 #ifdef __WXDEBUG__
     else    // Should not occur
@@ -788,13 +792,16 @@ void D_PAD::ViewGetRequiredLayers( int aLayers[], int& aCount ) const
     // Remove pad description layer & soldermask from the required layers group
     if( IsOnLayer( LAYER_N_FRONT ) && IsOnLayer( LAYER_N_BACK ) )
     {
-        // Multilayer pads have 2 soldermask layers and one description layer
-        aCount -= 3;
+        // Multilayer pads have 2 soldermask layers (front and back), 2 solder paste layer
+        // (front and back) and one description layer that do not have to be enabled in order to
+        // display a pad.
+        aCount -= 5;
     }
     else
     {
-        // Rest of pads have one soldermask layer and one description layer
-        aCount -= 2;
+        // Rest of pads have one soldermask layer, one solder paste layer and one description layer
+        // that are not necessary for pad to be displayed.
+        aCount -= 3;
     }
 }
 
@@ -816,8 +823,13 @@ const BOX2I D_PAD::ViewBBox() const
 {
     // Bounding box includes soldermask too
     int solderMaskMargin       = GetSolderMaskMargin();
+    VECTOR2I solderPasteMargin = VECTOR2D( GetSolderPasteMargin() );
     EDA_RECT bbox              = GetBoundingBox();
 
-    return BOX2I( VECTOR2I( bbox.GetOrigin() ) - solderMaskMargin,
-                  VECTOR2I( bbox.GetSize() ) + 2 * solderMaskMargin );
+    // Look for the biggest possible bounding box
+    int xMargin = std::max( solderMaskMargin, solderPasteMargin.x );
+    int yMargin = std::max( solderMaskMargin, solderPasteMargin.y );
+
+    return BOX2I( VECTOR2I( bbox.GetOrigin() ) - VECTOR2I( xMargin, yMargin ),
+                  VECTOR2I( bbox.GetSize() ) + VECTOR2I( 2 * xMargin, 2 * yMargin ) );
 }

pcbnew/class_pad.h

@@ -259,7 +259,7 @@ public:
      * 2 - if null, the parent footprint value
      * 1 - if null, the global value
      */
-    wxSize GetSolderPasteMargin();
+    wxSize GetSolderPasteMargin() const;
 
     void SetZoneConnection( ZoneConnection aType ) { m_ZoneConnection = aType; }
     ZoneConnection GetZoneConnection() const;

pcbnew/pcb_painter.cpp

@@ -525,9 +525,21 @@ void PCB_PAINTER::draw( const D_PAD* aPad, int aLayer )
     else if( aLayer == SOLDERMASK_N_FRONT || aLayer == SOLDERMASK_N_BACK )
     {
         // Drawing soldermask
+        int soldermaskMargin = aPad->GetSolderMaskMargin();
+
+        m_gal->Translate( VECTOR2D( aPad->GetOffset() ) );
+        size  = VECTOR2D( aPad->GetSize().x / 2.0 + soldermaskMargin,
+                          aPad->GetSize().y / 2.0 + soldermaskMargin );
+        shape = aPad->GetShape();
+    }
+    else if( aLayer == SOLDERPASTE_N_FRONT || aLayer == SOLDERPASTE_N_BACK )
+    {
+        // Drawing solderpaste
+        int solderpasteMargin = aPad->GetLocalSolderPasteMargin();
+
         m_gal->Translate( VECTOR2D( aPad->GetOffset() ) );
-        size  = VECTOR2D( aPad->GetSize().x / 2.0 + aPad->GetSolderMaskMargin(),
-                          aPad->GetSize().y / 2.0 + aPad->GetSolderMaskMargin() );
+        size  = VECTOR2D( aPad->GetSize().x / 2.0 + solderpasteMargin,
+                          aPad->GetSize().y / 2.0 + solderpasteMargin );
         shape = aPad->GetShape();
     }
     else