Add comments. Fix bug #1351507 (pad color does not reflect, whether the pad...

Add comments. Fix bug  #1351507 (pad color does not reflect, whether the pad is on front or back layer) and bug #1351388  (Adding a keepout area appears on the opposite layer than selected)

include/layers_id_colors_and_visibility.h

@@ -298,12 +298,29 @@ public:
 
     static LSET AllLayersMask();
 
+    /**
+     * Function FrontTechMask
+     * returns a mask holding all technical layers (no CU layer) on front side.
+     */
     static LSET FrontTechMask();
+
+    /**
+     * Function BackTechMask
+     * returns a mask holding all technical layers (no CU layer) on back side.
+     */
     static LSET BackTechMask();
     static LSET AllTechMask();
 
+    /**
+     * Function FrontMask
+     * returns a mask holding all technical layers and the external CU layer on front side.
+     */
     static LSET FrontMask();
 
+    /**
+     * Function BackMask
+     * returns a mask holding all technical layers and the external CU layer on back side.
+     */
     static LSET BackMask();
 
     static LSET UserMask();

pcbnew/class_pad_draw_functions.cpp

@@ -126,12 +126,12 @@ void D_PAD::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, GR_DRAWMODE aDraw_mode,
         drawInfo.m_ShowPadFilled = false;
 
     EDA_COLOR_T color = BLACK;
-    if( ( m_layerMask & LSET::FrontMask() ).any() )
+    if( m_layerMask[F_Cu] )
     {
         color = brd->GetVisibleElementColor( PAD_FR_VISIBLE );
     }
 
-    if( ( m_layerMask & LSET::BackMask() ).any() )
+    if( m_layerMask[B_Cu] )
     {
         color = ColorMix( color, brd->GetVisibleElementColor( PAD_BK_VISIBLE ) );
     }

pcbnew/dialogs/dialog_keepout_area_properties.cpp

@@ -5,9 +5,9 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2013 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
- * Copyright (C) 2013 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
-  * Copyright (C) 1992-2013 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
+ * Copyright (C) 2014 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
+  * Copyright (C) 1992-2014 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -154,8 +154,9 @@ void DIALOG_KEEPOUT_AREA_PROPERTIES::initDialog()
 
     // Build copper layer list and append to layer widget
     LSET show = LSET::AllCuMask( board->GetCopperLayerCount() );
+    int imgIdx = 0;
 
-    for( LSEQ cu_stack = show.UIOrder();  cu_stack;  ++cu_stack )
+    for( LSEQ cu_stack = show.UIOrder();  cu_stack;  ++cu_stack, imgIdx++ )
     {
         LAYER_ID layer = *cu_stack;
 
@@ -167,7 +168,8 @@ void DIALOG_KEEPOUT_AREA_PROPERTIES::initDialog()
 
         imageList->Add( makeLayerBitmap( layerColor ) );
 
-        int itemIndex = m_LayerSelectionCtrl->InsertItem( 0, msg, layer );
+        int itemIndex = m_LayerSelectionCtrl->InsertItem(
+                m_LayerSelectionCtrl->GetItemCount(), msg, imgIdx );
 
         if( m_zonesettings.m_CurrentZone_Layer == layer )
             m_LayerSelectionCtrl->Select( itemIndex );