kicad/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 <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 );
aGal->SetStrokeColor( COLOR4D( 1.0, 1.0, 1.0, 0.4 ) );
// Draw the temporary ratsnest
BOOST_FOREACH( const RN_NET& net, m_data->GetNets() )
{
if( !net.IsVisible() )
continue;
// Avoid duplicate destinations for ratsnest lines by storing already used nodes
boost::unordered_set<RN_NODE_PTR> usedDestinations;
// Draw the "dynamic" ratsnest (ie. for objects that may be currently being moved)
BOOST_FOREACH( const RN_NODE_PTR& node, net.GetSimpleNodes() )
{
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RN_NODE_PTR dest = net.GetClosestNode( node, WITHOUT_FLAG() );
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if( dest && usedDestinations.find( dest ) == usedDestinations.end() )
{
VECTOR2D origin( node->GetX(), node->GetY() );
VECTOR2D end( dest->GetX(), dest->GetY() );
aGal->DrawLine( origin, end );
usedDestinations.insert( dest );
}
}
// Draw the "static" ratsnest
const std::vector<RN_EDGE_PTR>* edges = net.GetUnconnected();
if( edges == NULL )
continue;
BOOST_FOREACH( const RN_EDGE_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 );
}