1 files changed, 120 insertions, 0 deletions
diff --git a/pcbnew/ratsnest_viewitem.cpp b/pcbnew/ratsnest_viewitem.cpp
new file mode 100644
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+++ b/pcbnew/ratsnest_viewitem.cpp
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+/*
+ * This program source code file is part of KICAD, a free EDA CAD application.
+ *
+ * Copyright (C) 2013 CERN
+ * @author Maciej Suminski <maciej.suminski@cern.ch>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+/**
+ * @file ratsnest_viewitem.cpp
+ * @brief Class that draws missing connections on a PCB.
+ */
+
+#include <ratsnest_viewitem.h>
+#include <ratsnest_data.h>
+#include <gal/graphics_abstraction_layer.h>
+#include <pcb_painter.h>
+#include <layers_id_colors_and_visibility.h>
+
+#include <boost/foreach.hpp>
+
+using namespace KIGFX;
+
+RATSNEST_VIEWITEM::RATSNEST_VIEWITEM( RN_DATA* aData ) :
+        EDA_ITEM( NOT_USED ), m_data( aData )
+{
+}
+
+
+const BOX2I RATSNEST_VIEWITEM::ViewBBox() const
+{
+    // Make it always visible
+    BOX2I bbox;
+    bbox.SetMaximum();
+
+    return bbox;
+}
+
+
+void RATSNEST_VIEWITEM::ViewDraw( int aLayer, GAL* aGal ) const
+{
+    aGal->SetIsStroke( true );
+    aGal->SetIsFill( false );
+    aGal->SetLineWidth( 1.0 );
+    RENDER_SETTINGS* rs = m_view->GetPainter()->GetSettings();
+    COLOR4D color = rs->GetColor( NULL, ITEM_GAL_LAYER( RATSNEST_VISIBLE ) );
+    int highlightedNet = rs->GetHighlightNetCode();
+
+    // Dynamic ratsnest (for e.g. dragged items)
+    for( int i = 1; i < m_data->GetNetCount(); ++i )
+    {
+        RN_NET& net = m_data->GetNet( i );
+
+        if( !net.IsVisible() )
+            continue;
+
+        // Set brighter color for the temporary ratsnest
+        aGal->SetStrokeColor( color.Brightened( 0.8 ) );
+
+        // Draw the "dynamic" ratsnest (i.e. for objects that may be currently being moved)
+        BOOST_FOREACH( const RN_NODE_PTR& node, net.GetSimpleNodes() )
+        {
+            // Skipping nodes with higher reference count avoids displaying redundant lines
+            if( node->GetRefCount() > 1 )
+                continue;
+
+            RN_NODE_PTR dest = net.GetClosestNode( node, WITHOUT_FLAG() );
+
+            if( dest )
+            {
+                VECTOR2D origin( node->GetX(), node->GetY() );
+                VECTOR2D end( dest->GetX(), dest->GetY() );
+
+                aGal->DrawLine( origin, end );
+            }
+        }
+
+        // Draw the "static" ratsnest
+        if( i != highlightedNet )
+            aGal->SetStrokeColor( color );  // using the default ratsnest color for not highlighted
+
+        const std::vector<RN_EDGE_MST_PTR>* edges = net.GetUnconnected();
+
+        if( edges == NULL )
+            continue;
+
+        BOOST_FOREACH( const RN_EDGE_MST_PTR& edge, *edges )
+        {
+            const RN_NODE_PTR& sourceNode = edge->GetSourceNode();
+            const RN_NODE_PTR& targetNode = edge->GetTargetNode();
+            VECTOR2D source( sourceNode->GetX(), sourceNode->GetY() );
+            VECTOR2D target( targetNode->GetX(), targetNode->GetY() );
+
+            aGal->DrawLine( source, target );
+        }
+    }
+}
+
+
+void RATSNEST_VIEWITEM::ViewGetLayers( int aLayers[], int& aCount ) const
+{
+    aCount = 1;
+    aLayers[0] = ITEM_GAL_LAYER( RATSNEST_VISIBLE );
+}