anchor_debug.cpp

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2024 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
 * 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
 */
 
#include "preview_items/anchor_debug.h"
 
#include <gal/graphics_abstraction_layer.h>
#include <gal/painter.h>
#include <render_settings.h>
 
using namespace KIGFX;
 
ANCHOR_DEBUG::ANCHOR_DEBUG() :
 EDA_ITEM( nullptr, NOT_USED ) // Never added to a BOARD/SCHEMATIC so it needs no type
{
}
 
 
ANCHOR_DEBUG* ANCHOR_DEBUG::Clone() const
{
 return new ANCHOR_DEBUG();
}
 
 
const BOX2I ANCHOR_DEBUG::ViewBBox() const
{
 // We could be a bit more careful here, but also we need to
 // know the world scale to cover everything exactly, and there
 // is only one of these.
 BOX2I bbox;
 bbox.SetMaximum();
 return bbox;
}
 
void ANCHOR_DEBUG::ViewGetLayers( int aLayers[], int& aCount ) const
{
 aLayers[0] = LAYER_GP_OVERLAY;
 aCount = 1;
}
 
void ANCHOR_DEBUG::ClearAnchors()
{
 m_nearest.reset();
 m_anchors.clear();
}
 
void ANCHOR_DEBUG::AddAnchor( const VECTOR2I& aAnchor )
{
 m_anchors[aAnchor]++;
}
 
void ANCHOR_DEBUG::SetNearest( const OPT_VECTOR2I& aNearest )
{
 m_nearest = aNearest;
}
 
void ANCHOR_DEBUG::ViewDraw( int, VIEW* aView ) const
{
 GAL& gal = *aView->GetGAL();
 RENDER_SETTINGS& settings = *aView->GetPainter()->GetSettings();
 
 const COLOR4D textColor = settings.GetLayerColor( LAYER_AUX_ITEMS );
 
 const BOX2I viewport = KiROUND( aView->GetViewport() );
 
 gal.SetIsFill( false );
 gal.SetIsStroke( true );
 gal.SetLineWidth( 1 );
 
 const int markerRad = aView->ToWorld( 3 );
 const int markerTextHeight = aView->ToWorld( 6 );
 const int markerTextGap = aView->ToWorld( 3 );
 const int summaryTextHeight = aView->ToWorld( 10 );
 const VECTOR2I textOffset = { markerRad + markerTextGap, 0 };
 
 TEXT_ATTRIBUTES attributes;
 attributes.m_Halign = GR_TEXT_H_ALIGN_LEFT;
 attributes.m_Size = VECTOR2I( markerTextHeight, markerTextHeight );
 
 const KIFONT::METRICS& fontMetrics = KIFONT::METRICS::Default();
 const KIFONT::FONT& font = *KIFONT::FONT::GetFont();
 
 size_t total = 0;
 for( const auto& [anchor, count] : m_anchors )
 {
 if( m_nearest && *m_nearest == anchor )
 gal.SetStrokeColor( RED );
 else
 gal.SetStrokeColor( YELLOW );
 
 gal.DrawCircle( anchor, markerRad );
 
 const std::string countStr = std::to_string( count );
 font.Draw( &gal, countStr, anchor + textOffset, attributes, fontMetrics );
 
 total += count;
 }
 
 gal.SetStrokeColor( textColor );
 
 const int boundaryMargin = aView->ToWorld( 20 );
 VECTOR2I fontPos{ viewport.GetLeft(), viewport.GetTop() };
 fontPos += VECTOR2I{ boundaryMargin, boundaryMargin };
 
 attributes.m_Size = VECTOR2I{ summaryTextHeight, summaryTextHeight };
 
 wxString totalStr = wxString::Format( "Current snap anchors: %lu", total );
 font.Draw( &gal, totalStr, fontPos, attributes, fontMetrics );
}