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kicad/pcbnew/ratsnest/ratsnest_view_item.cpp

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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2013 CERN
* Copyright (C) 2018-2023 KiCad Developers, see AUTHORS.txt for contributors.
*
* @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
*/
/**
* @brief Class that draws missing connections on a PCB.
*/
#include <ratsnest/ratsnest_view_item.h>
#include <kiface_base.h>
#include <gal/graphics_abstraction_layer.h>
#include <pcbnew_settings.h>
#include <pcb_painter.h>
#include <ratsnest/ratsnest_data.h>
#include <layer_ids.h>
#include <pcb_base_frame.h>
#include <view/view.h>
#include <memory>
#include <utility>
RATSNEST_VIEW_ITEM::RATSNEST_VIEW_ITEM( std::shared_ptr<CONNECTIVITY_DATA> aData ) :
EDA_ITEM( NOT_USED ),
m_data( std::move( aData ) )
{
}
const BOX2I RATSNEST_VIEW_ITEM::ViewBBox() const
{
// Make it always visible
BOX2I bbox;
bbox.SetMaximum();
return bbox;
}
void RATSNEST_VIEW_ITEM::ViewDraw( int aLayer, KIGFX::VIEW* aView ) const
{
std::unique_lock<KISPINLOCK> lock( m_data->GetLock(), std::try_to_lock );
if( !lock )
return;
constexpr int CROSS_SIZE = 200000;
PCBNEW_SETTINGS* cfg = dynamic_cast<PCBNEW_SETTINGS*>( Kiface().KifaceSettings() );
if( !cfg )
return;
auto rs = static_cast<KIGFX::PCB_RENDER_SETTINGS*>( aView->GetPainter()->GetSettings() );
KIGFX::GAL* gal = aView->GetGAL();
gal->SetIsStroke( true );
gal->SetIsFill( false );
gal->SetLineWidth( cfg->m_Display.m_RatsnestThickness / gal->GetWorldScale() );
std::set<int> highlightedNets = rs->GetHighlightNetCodes();
const std::set<int>& hiddenNets = rs->GetHiddenNets();
COLOR4D defaultColor = rs->GetColor( nullptr, LAYER_RATSNEST );
COLOR4D color = defaultColor;
const bool colorByNet = rs->GetNetColorMode() != NET_COLOR_MODE::OFF;
const bool dimStatic = m_data->GetLocalRatsnest().size() > 0 || highlightedNets.size() > 0;
std::map<int, KIGFX::COLOR4D>& netColors = rs->GetNetColorMap();
std::map<wxString, KIGFX::COLOR4D>& ncColors = rs->GetNetclassColorMap();
const std::map<int, wxString>& ncMap = m_data->GetNetclassMap();
const bool onlyVisibleLayers = cfg->m_Display.m_RatsnestMode == RATSNEST_MODE::VISIBLE;
LSET visibleLayers;
// If we are in "other layers off" mode, the active layer is the only visible layer
if( rs->m_ContrastModeDisplay == HIGH_CONTRAST_MODE::HIDDEN )
{
visibleLayers.set( rs->GetPrimaryHighContrastLayer() );
}
else
{
for( PCB_LAYER_ID layer : LSET::AllCuMask().Seq() )
{
if( aView->IsLayerVisible( layer ) )
visibleLayers.set( layer );
}
}
auto adjustColor =
[&]( COLOR4D& color_base, double brightnessDelta, double alpha )
{
if( rs->GetColor( nullptr, LAYER_PCB_BACKGROUND ).GetBrightness() < 0.5 )
return color_base.Brightened( brightnessDelta ).WithAlpha( std::min( alpha, 1.0 ) );
else
return color_base.Darkened( brightnessDelta ).WithAlpha( std::min( alpha, 1.0 ) );
};
const bool curved_ratsnest = cfg->m_Display.m_DisplayRatsnestLinesCurved;
// Draw the "dynamic" ratsnest (i.e. for objects that may be currently being moved)
for( const RN_DYNAMIC_LINE& l : m_data->GetLocalRatsnest() )
{
if( hiddenNets.count( l.netCode ) )
continue;
if( colorByNet && netColors.count( l.netCode ) )
color = netColors.at( l.netCode );
else if( colorByNet && ncMap.count( l.netCode ) && ncColors.count( ncMap.at( l.netCode ) ) )
color = ncColors.at( ncMap.at( l.netCode ) );
else
color = defaultColor;
if( color == COLOR4D::UNSPECIFIED )
color = defaultColor;
gal->SetStrokeColor( adjustColor( color, 0.5, color.a + 0.3 ) );
if( l.a == l.b )
{
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
{
if( curved_ratsnest )
{
int dx = l.b.x - l.a.x;
int dy = l.b.y - l.a.y;
const VECTOR2I center = VECTOR2I( l.a.x + 0.5 * dx - 0.1 * dy,
l.a.y + 0.5 * dy + 0.1 * dx );
gal->DrawCurve( l.a, center, center, l.b );
}
else
{
gal->DrawLine( l.a, l.b );
}
}
}
for( int i = 1 /* skip "No Net" at [0] */; i < m_data->GetNetCount(); ++i )
{
if( hiddenNets.count( i ) )
continue;
RN_NET* net = m_data->GetRatsnestForNet( i );
if( !net || m_data->GetConnectivityAlgo()->IsNetDirty( i ) )
continue;
if( colorByNet && netColors.count( i ) )
color = netColors.at( i );
else if( colorByNet && ncMap.count( i ) && ncColors.count( ncMap.at( i ) ) )
color = ncColors.at( ncMap.at( i ) );
else
color = defaultColor;
if( color == COLOR4D::UNSPECIFIED )
color = defaultColor;
if( dimStatic )
color = adjustColor( color, 0.0, color.a / 2 );
// Draw the "static" ratsnest
if( highlightedNets.count( i ) )
gal->SetStrokeColor( adjustColor( color, 0.8, color.a + 0.4 ) );
else
gal->SetStrokeColor( color ); // using the default ratsnest color for not highlighted
for( const CN_EDGE& edge : net->GetEdges() )
{
if( !edge.IsVisible() )
continue;
const std::shared_ptr<const CN_ANCHOR>& sourceNode = edge.GetSourceNode();
const std::shared_ptr<const CN_ANCHOR>& targetNode = edge.GetTargetNode();
if( !sourceNode || sourceNode->Dirty() || !targetNode || targetNode->Dirty() )
continue;
const VECTOR2I source( sourceNode->Pos() );
const VECTOR2I target( targetNode->Pos() );
bool enable = !sourceNode->GetNoLine() && !targetNode->GetNoLine();
bool show;
// If the global ratsnest is currently enabled, the local ratsnest should be easy to
// turn off, so either element can disable it.
// If the global ratsnest is disabled, the local ratsnest should be easy to turn on
// so either element can enable it.
if( cfg->m_Display.m_ShowGlobalRatsnest )
{
show = sourceNode->Parent()->GetLocalRatsnestVisible() &&
targetNode->Parent()->GetLocalRatsnestVisible();
}
else
{
show = sourceNode->Parent()->GetLocalRatsnestVisible() ||
targetNode->Parent()->GetLocalRatsnestVisible();
}
if( onlyVisibleLayers && show )
{
LSET sourceLayers = sourceNode->Parent()->GetLayerSet();
LSET targetLayers = targetNode->Parent()->GetLayerSet();
if( !( sourceLayers & visibleLayers ).any() ||
!( targetLayers & visibleLayers ).any() )
{
show = false;
}
}
if ( enable && show )
{
if ( source == target )
{
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 ) );
}
else
{
if( curved_ratsnest )
{
int dx = target.x - source.x;
int dy = target.y - source.y;
const VECTOR2I center = VECTOR2I( source.x + 0.5 * dx - 0.1 * dy,
source.y + 0.5 * dy + 0.1 * dx );
gal->DrawCurve( source, center, center, target );
}
else
{
gal->DrawLine( source, target );
}
}
}
}
}
}
void RATSNEST_VIEW_ITEM::ViewGetLayers( int aLayers[], int& aCount ) const
{
aCount = 1;
aLayers[0] = LAYER_RATSNEST;
}
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