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
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* Copyright (C) 2018 KiCad Developers, see AUTHORS.txt for contributors.
*
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* @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>
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#include <layers_id_colors_and_visibility.h>
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#include <memory>
#include <utility>
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#include <view/view.h>
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namespace KIGFX {
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RATSNEST_VIEWITEM::RATSNEST_VIEWITEM( std::shared_ptr<CONNECTIVITY_DATA> aData ) :
EDA_ITEM( NOT_USED ), m_data( std::move(aData) )
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{
}
const BOX2I RATSNEST_VIEWITEM::ViewBBox() const
{
// Make it always visible
BOX2I bbox;
bbox.SetMaximum();
return bbox;
}
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void RATSNEST_VIEWITEM::ViewDraw( int aLayer, KIGFX::VIEW* aView ) const
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{
if( !m_data->TryLock() )
return;
constexpr int CROSS_SIZE = 200000;
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auto gal = aView->GetGAL();
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gal->SetIsStroke( true );
gal->SetIsFill( false );
gal->SetLineWidth( 1.0 );
auto rs = aView->GetPainter()->GetSettings();
auto color = rs->GetColor( NULL, LAYER_RATSNEST );
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int highlightedNet = rs->GetHighlightNetCode();
gal->SetStrokeColor( color.Brightened(0.5) );
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// Draw the "dynamic" ratsnest (i.e. for objects that may be currently being moved)
for( const auto& l : m_data->GetDynamicRatsnest() )
{
if ( l.a == l.b )
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{
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gal->DrawLine( VECTOR2I( l.a.x - CROSS_SIZE, l.a.y - CROSS_SIZE ),
VECTOR2I( l.b.x + CROSS_SIZE, l.b.y + CROSS_SIZE ) );
gal->DrawLine( VECTOR2I( l.a.x - CROSS_SIZE, l.a.y + CROSS_SIZE ),
VECTOR2I( l.b.x + CROSS_SIZE, l.b.y - CROSS_SIZE ) );
}
else
{
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gal->DrawLine( l.a, l.b );
}
}
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for( int i = 1 /* skip "No Net" at [0] */; i < m_data->GetNetCount(); ++i )
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{
RN_NET* net = m_data->GetRatsnestForNet( i );
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if( !net )
continue;
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// Draw the "static" ratsnest
if( i != highlightedNet )
gal->SetStrokeColor( color ); // using the default ratsnest color for not highlighted
else
gal->SetStrokeColor( color.Brightened(0.8) );
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for( const auto& edge : net->GetUnconnected() )
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{
//if ( !edge.IsVisible() )
// continue;
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const auto& sourceNode = edge.GetSourceNode();
const auto& targetNode = edge.GetTargetNode();
const VECTOR2I source( sourceNode->Pos() );
const VECTOR2I target( targetNode->Pos() );
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if( !sourceNode->Valid() || !targetNode->Valid() )
continue;
bool enable = !sourceNode->GetNoLine() && !targetNode->GetNoLine();
bool show;
// If the ratsnest layer is currently enabled, the local ratsnest
// should be easy to turn off, so either element can disable it
// If the layer is off, the local ratsnest should be easy to turn on
// so either element can enable it.
if( sourceNode->Parent()->GetBoard()->IsElementVisible( LAYER_RATSNEST ) )
show = sourceNode->Parent()->GetLocalRatsnestVisible() &&
targetNode->Parent()->GetLocalRatsnestVisible();
else
show = sourceNode->Parent()->GetLocalRatsnestVisible() ||
targetNode->Parent()->GetLocalRatsnestVisible();
if ( enable && show )
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{
if ( source == target )
{
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gal->DrawLine( VECTOR2I( source.x - CROSS_SIZE, source.y - CROSS_SIZE ),
VECTOR2I( source.x + CROSS_SIZE, source.y + CROSS_SIZE ) );
gal->DrawLine( VECTOR2I( source.x - CROSS_SIZE, source.y + CROSS_SIZE ),
VECTOR2I( source.x + CROSS_SIZE, source.y - CROSS_SIZE ) );
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}
else
{
gal->DrawLine( source, target );
}
}
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}
}
m_data->Unlock();
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}
void RATSNEST_VIEWITEM::ViewGetLayers( int aLayers[], int& aCount ) const
{
aCount = 1;
aLayers[0] = LAYER_RATSNEST;
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}
}