827 lines
28 KiB
C++
827 lines
28 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014 CERN
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* Copyright (C) 2018-2022 KiCad Developers, see AUTHORS.txt for contributors.
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <functional>
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#include <pcb_dimension.h>
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#include <fp_shape.h>
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#include <footprint.h>
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#include <pad.h>
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#include <pcb_group.h>
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#include <pcb_track.h>
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#include <zone.h>
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#include <geometry/shape_circle.h>
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#include <geometry/shape_line_chain.h>
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#include <geometry/shape_rect.h>
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#include <geometry/shape_segment.h>
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#include <geometry/shape_simple.h>
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#include <macros.h>
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#include <math/util.h> // for KiROUND
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#include <painter.h>
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#include <pcbnew_settings.h>
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#include <tool/tool_manager.h>
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#include <tools/pcb_tool_base.h>
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#include <view/view.h>
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#include "pcb_grid_helper.h"
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PCB_GRID_HELPER::PCB_GRID_HELPER( TOOL_MANAGER* aToolMgr, MAGNETIC_SETTINGS* aMagneticSettings ) :
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GRID_HELPER( aToolMgr ),
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m_magneticSettings( aMagneticSettings )
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{
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KIGFX::VIEW* view = m_toolMgr->GetView();
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KIGFX::RENDER_SETTINGS* settings = view->GetPainter()->GetSettings();
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KIGFX::COLOR4D auxItemsColor = settings->GetLayerColor( LAYER_AUX_ITEMS );
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KIGFX::COLOR4D umbilicalColor = settings->GetLayerColor( LAYER_ANCHOR );
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m_viewAxis.SetSize( 20000 );
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m_viewAxis.SetStyle( KIGFX::ORIGIN_VIEWITEM::CROSS );
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m_viewAxis.SetColor( auxItemsColor.WithAlpha( 0.4 ) );
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m_viewAxis.SetDrawAtZero( true );
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view->Add( &m_viewAxis );
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view->SetVisible( &m_viewAxis, false );
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m_viewSnapPoint.SetStyle( KIGFX::ORIGIN_VIEWITEM::CIRCLE_CROSS );
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m_viewSnapPoint.SetColor( auxItemsColor );
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m_viewSnapPoint.SetDrawAtZero( true );
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view->Add( &m_viewSnapPoint );
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view->SetVisible( &m_viewSnapPoint, false );
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m_viewSnapLine.SetStyle( KIGFX::ORIGIN_VIEWITEM::DASH_LINE );
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m_viewSnapLine.SetColor( umbilicalColor );
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m_viewSnapLine.SetDrawAtZero( true );
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view->Add( &m_viewSnapLine );
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view->SetVisible( &m_viewSnapLine, false );
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}
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VECTOR2I PCB_GRID_HELPER::AlignToSegment( const VECTOR2I& aPoint, const SEG& aSeg )
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{
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OPT_VECTOR2I pts[6];
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const int c_gridSnapEpsilon = 2;
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if( !m_enableSnap )
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return aPoint;
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VECTOR2I nearest = Align( aPoint );
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SEG pos_slope( nearest + VECTOR2I( -1, 1 ), nearest + VECTOR2I( 1, -1 ) );
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SEG neg_slope( nearest + VECTOR2I( -1, -1 ), nearest + VECTOR2I( 1, 1 ) );
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int max_i = 2;
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pts[0] = aSeg.A;
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pts[1] = aSeg.B;
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if( !aSeg.ApproxParallel( pos_slope ) )
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pts[max_i++] = aSeg.IntersectLines( pos_slope );
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if( !aSeg.ApproxParallel( neg_slope ) )
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pts[max_i++] = aSeg.IntersectLines( neg_slope );
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int min_d = std::numeric_limits<int>::max();
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for( int i = 0; i < max_i; i++ )
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{
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if( pts[i] && aSeg.Distance( *pts[i] ) <= c_gridSnapEpsilon )
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{
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int d = (*pts[i] - aPoint).EuclideanNorm();
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if( d < min_d )
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{
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min_d = d;
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nearest = *pts[i];
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}
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}
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}
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return nearest;
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}
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VECTOR2I PCB_GRID_HELPER::AlignToArc( const VECTOR2I& aPoint, const SHAPE_ARC& aArc )
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{
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if( !m_enableSnap )
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return aPoint;
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const VECTOR2D gridOffset( GetOrigin() );
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const VECTOR2D gridSize( GetGrid() );
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VECTOR2I nearest( KiROUND( ( aPoint.x - gridOffset.x ) / gridSize.x ) * gridSize.x + gridOffset.x,
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KiROUND( ( aPoint.y - gridOffset.y ) / gridSize.y ) * gridSize.y + gridOffset.y );
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int min_d = std::numeric_limits<int>::max();
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for( auto pt : { aArc.GetP0(), aArc.GetP1() } )
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{
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int d = ( pt - aPoint ).EuclideanNorm();
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if( d < min_d )
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{
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min_d = d;
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nearest = pt;
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}
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else
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break;
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}
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return nearest;
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}
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VECTOR2I PCB_GRID_HELPER::AlignToNearestPad( const VECTOR2I& aMousePos, PADS& aPads )
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{
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clearAnchors();
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for( BOARD_ITEM* item : aPads )
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computeAnchors( item, aMousePos, true );
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double minDist = std::numeric_limits<double>::max();
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ANCHOR* nearestOrigin = nullptr;
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for( ANCHOR& a : m_anchors )
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{
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BOARD_ITEM* item = static_cast<BOARD_ITEM*>( a.item );
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if( ( ORIGIN & a.flags ) != ORIGIN )
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continue;
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if( !item->HitTest( aMousePos ) )
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continue;
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double dist = a.Distance( aMousePos );
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if( dist < minDist )
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{
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minDist = dist;
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nearestOrigin = &a;
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}
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}
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return nearestOrigin ? nearestOrigin->pos : aMousePos;
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}
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VECTOR2I PCB_GRID_HELPER::BestDragOrigin( const VECTOR2I &aMousePos,
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std::vector<BOARD_ITEM*>& aItems )
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{
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clearAnchors();
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for( BOARD_ITEM* item : aItems )
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computeAnchors( item, aMousePos, true );
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double worldScale = m_toolMgr->GetView()->GetGAL()->GetWorldScale();
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double lineSnapMinCornerDistance = 50.0 / worldScale;
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ANCHOR* nearestOutline = nearestAnchor( aMousePos, OUTLINE, LSET::AllLayersMask() );
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ANCHOR* nearestCorner = nearestAnchor( aMousePos, CORNER, LSET::AllLayersMask() );
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ANCHOR* nearestOrigin = nearestAnchor( aMousePos, ORIGIN, LSET::AllLayersMask() );
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ANCHOR* best = nullptr;
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double minDist = std::numeric_limits<double>::max();
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if( nearestOrigin )
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{
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minDist = nearestOrigin->Distance( aMousePos );
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best = nearestOrigin;
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}
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if( nearestCorner )
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{
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double dist = nearestCorner->Distance( aMousePos );
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if( dist < minDist )
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{
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minDist = dist;
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best = nearestCorner;
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}
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}
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if( nearestOutline )
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{
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double dist = nearestOutline->Distance( aMousePos );
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if( minDist > lineSnapMinCornerDistance && dist < minDist )
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best = nearestOutline;
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}
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return best ? best->pos : aMousePos;
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}
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VECTOR2I PCB_GRID_HELPER::BestSnapAnchor( const VECTOR2I& aOrigin, BOARD_ITEM* aReferenceItem )
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{
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LSET layers;
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std::vector<BOARD_ITEM*> item;
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if( aReferenceItem )
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{
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layers = aReferenceItem->GetLayerSet();
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item.push_back( aReferenceItem );
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}
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else
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{
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layers = LSET::AllLayersMask();
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}
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return BestSnapAnchor( aOrigin, layers, item );
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}
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VECTOR2I PCB_GRID_HELPER::BestSnapAnchor( const VECTOR2I& aOrigin, const LSET& aLayers,
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const std::vector<BOARD_ITEM*>& aSkip )
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{
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// Tuning constant: snap radius in screen space
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const int snapSize = 25;
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// Snapping distance is in screen space, clamped to the current grid to ensure that the grid
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// points that are visible can always be snapped to.
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// see https://gitlab.com/kicad/code/kicad/-/issues/5638
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// see https://gitlab.com/kicad/code/kicad/-/issues/7125
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double snapScale = snapSize / m_toolMgr->GetView()->GetGAL()->GetWorldScale();
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int snapRange = std::min( KiROUND( snapScale ), GetGrid().x );
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int snapDist = snapRange;
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//Respect limits of coordinates representation
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BOX2I bb;
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bb.SetOrigin( GetClampedCoords<double, int>( VECTOR2D( aOrigin ) - snapRange / 2 ) );
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bb.SetEnd( GetClampedCoords<double, int>( VECTOR2D( aOrigin ) + snapRange / 2 ) );
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clearAnchors();
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for( BOARD_ITEM* item : queryVisible( bb, aSkip ) )
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computeAnchors( item, aOrigin );
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ANCHOR* nearest = nearestAnchor( aOrigin, SNAPPABLE, aLayers );
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VECTOR2I nearestGrid = Align( aOrigin );
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if( nearest )
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snapDist = nearest->Distance( aOrigin );
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// Existing snap lines need priority over new snaps
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if( m_snapItem && m_enableSnapLine && m_enableSnap )
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{
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bool snapLine = false;
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int x_dist = std::abs( m_viewSnapLine.GetPosition().x - aOrigin.x );
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int y_dist = std::abs( m_viewSnapLine.GetPosition().y - aOrigin.y );
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/// Allows de-snapping from the line if you are closer to another snap point
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if( x_dist < snapRange && ( !nearest || snapDist > snapRange ) )
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{
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nearestGrid.x = m_viewSnapLine.GetPosition().x;
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snapLine = true;
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}
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if( y_dist < snapRange && ( !nearest || snapDist > snapRange ) )
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{
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nearestGrid.y = m_viewSnapLine.GetPosition().y;
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snapLine = true;
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}
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if( snapLine && m_skipPoint != VECTOR2I( m_viewSnapLine.GetPosition() ) )
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{
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m_viewSnapLine.SetEndPosition( nearestGrid );
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if( m_toolMgr->GetView()->IsVisible( &m_viewSnapLine ) )
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m_toolMgr->GetView()->Update( &m_viewSnapLine, KIGFX::GEOMETRY );
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else
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m_toolMgr->GetView()->SetVisible( &m_viewSnapLine, true );
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return nearestGrid;
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}
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}
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if( nearest && m_enableSnap )
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{
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if( nearest->Distance( aOrigin ) <= snapRange )
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{
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m_viewSnapPoint.SetPosition( wxPoint( nearest->pos ) );
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m_viewSnapLine.SetPosition( wxPoint( nearest->pos ) );
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m_toolMgr->GetView()->SetVisible( &m_viewSnapLine, false );
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if( m_toolMgr->GetView()->IsVisible( &m_viewSnapPoint ) )
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m_toolMgr->GetView()->Update( &m_viewSnapPoint, KIGFX::GEOMETRY);
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else
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m_toolMgr->GetView()->SetVisible( &m_viewSnapPoint, true );
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m_snapItem = nearest;
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return nearest->pos;
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}
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}
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m_snapItem = nullptr;
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m_toolMgr->GetView()->SetVisible( &m_viewSnapPoint, false );
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m_toolMgr->GetView()->SetVisible( &m_viewSnapLine, false );
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return nearestGrid;
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}
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BOARD_ITEM* PCB_GRID_HELPER::GetSnapped() const
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{
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if( !m_snapItem )
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return nullptr;
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return static_cast<BOARD_ITEM*>( m_snapItem->item );
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}
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std::set<BOARD_ITEM*> PCB_GRID_HELPER::queryVisible( const BOX2I& aArea,
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const std::vector<BOARD_ITEM*>& aSkip ) const
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{
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std::set<BOARD_ITEM*> items;
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std::vector<KIGFX::VIEW::LAYER_ITEM_PAIR> selectedItems;
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KIGFX::VIEW* view = m_toolMgr->GetView();
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RENDER_SETTINGS* settings = view->GetPainter()->GetSettings();
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const std::set<unsigned int>& activeLayers = settings->GetHighContrastLayers();
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bool isHighContrast = settings->GetHighContrast();
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view->Query( aArea, selectedItems );
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for( const KIGFX::VIEW::LAYER_ITEM_PAIR& it : selectedItems )
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{
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BOARD_ITEM* item = static_cast<BOARD_ITEM*>( it.first );
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// If we are in the footprint editor, don't use the footprint itself
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if( static_cast<PCB_TOOL_BASE*>( m_toolMgr->GetCurrentTool() )->IsFootprintEditor()
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&& item->Type() == PCB_FOOTPRINT_T )
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{
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continue;
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}
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// The item must be visible and on an active layer
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if( view->IsVisible( item )
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&& ( !isHighContrast || activeLayers.count( it.second ) )
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&& item->ViewGetLOD( it.second, view ) < view->GetScale() )
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{
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items.insert ( item );
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}
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}
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for( BOARD_ITEM* skipItem : aSkip )
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items.erase( skipItem );
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return items;
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}
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void PCB_GRID_HELPER::computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos, bool aFrom )
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{
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KIGFX::VIEW* view = m_toolMgr->GetView();
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RENDER_SETTINGS* settings = view->GetPainter()->GetSettings();
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const std::set<unsigned int>& activeLayers = settings->GetHighContrastLayers();
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bool isHighContrast = settings->GetHighContrast();
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auto handlePadShape =
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[&]( PAD* aPad )
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{
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addAnchor( aPad->GetPosition(), ORIGIN | SNAPPABLE, aPad );
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/// If we are getting a drag point, we don't want to center the edge of pads
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if( aFrom )
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return;
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const std::shared_ptr<SHAPE> eshape = aPad->GetEffectiveShape();
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// PTH reduced to only a hole do not return a valid pad shape list
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if( eshape->Type() != SH_COMPOUND )
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return;
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const std::vector<SHAPE*> shapes =
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static_cast<const SHAPE_COMPOUND*>( eshape.get() )->Shapes();
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for( const SHAPE* shape : shapes )
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{
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switch( shape->Type() )
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{
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case SH_RECT:
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{
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const SHAPE_RECT* rect = static_cast<const SHAPE_RECT*>( shape );
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SHAPE_LINE_CHAIN outline = rect->Outline();
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for( int i = 0; i < outline.SegmentCount(); i++ )
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{
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const SEG& seg = outline.CSegment( i );
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addAnchor( seg.A, OUTLINE | SNAPPABLE, aPad );
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addAnchor( seg.Center(), OUTLINE | SNAPPABLE, aPad );
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}
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break;
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}
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case SH_SEGMENT:
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{
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const SHAPE_SEGMENT* segment = static_cast<const SHAPE_SEGMENT*>( shape );
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int offset = segment->GetWidth() / 2;
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SEG seg = segment->GetSeg();
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VECTOR2I normal = ( seg.B - seg.A );
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normal.Resize( offset );
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RotatePoint( normal, ANGLE_90 );
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/*
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* TODO: This creates more snap points than necessary for rounded rect pads
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* because they are built up of overlapping segments. We could fix this if
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* desired by testing these to see if they are "inside" the pad.
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*/
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addAnchor( seg.A + normal, OUTLINE | SNAPPABLE, aPad );
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addAnchor( seg.A - normal, OUTLINE | SNAPPABLE, aPad );
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addAnchor( seg.B + normal, OUTLINE | SNAPPABLE, aPad );
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addAnchor( seg.B - normal, OUTLINE | SNAPPABLE, aPad );
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addAnchor( seg.Center() + normal, OUTLINE | SNAPPABLE, aPad );
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addAnchor( seg.Center() - normal, OUTLINE | SNAPPABLE, aPad );
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RotatePoint( normal, -ANGLE_90 );
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addAnchor( seg.A - normal, OUTLINE | SNAPPABLE, aPad );
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addAnchor( seg.B + normal, OUTLINE | SNAPPABLE, aPad );
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break;
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}
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case SH_CIRCLE:
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{
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const SHAPE_CIRCLE* circle = static_cast<const SHAPE_CIRCLE*>( shape );
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int r = circle->GetRadius();
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VECTOR2I start = circle->GetCenter();
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addAnchor( start + VECTOR2I( -r, 0 ), OUTLINE | SNAPPABLE, aPad );
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addAnchor( start + VECTOR2I( r, 0 ), OUTLINE | SNAPPABLE, aPad );
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addAnchor( start + VECTOR2I( 0, -r ), OUTLINE | SNAPPABLE, aPad );
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addAnchor( start + VECTOR2I( 0, r ), OUTLINE | SNAPPABLE, aPad );
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break;
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}
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case SH_ARC:
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{
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const SHAPE_ARC* arc = static_cast<const SHAPE_ARC*>( shape );
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addAnchor( arc->GetP0(), OUTLINE | SNAPPABLE, aPad );
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addAnchor( arc->GetP1(), OUTLINE | SNAPPABLE, aPad );
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addAnchor( arc->GetArcMid(), OUTLINE | SNAPPABLE, aPad );
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break;
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}
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case SH_SIMPLE:
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{
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const SHAPE_SIMPLE* poly = static_cast<const SHAPE_SIMPLE*>( shape );
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for( size_t i = 0; i < poly->GetSegmentCount(); i++ )
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{
|
|
const SEG& seg = poly->GetSegment( i );
|
|
|
|
addAnchor( seg.A, OUTLINE | SNAPPABLE, aPad );
|
|
addAnchor( seg.Center(), OUTLINE | SNAPPABLE, aPad );
|
|
|
|
if( i == poly->GetSegmentCount() - 1 )
|
|
addAnchor( seg.B, OUTLINE | SNAPPABLE, aPad );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case SH_POLY_SET:
|
|
case SH_LINE_CHAIN:
|
|
case SH_COMPOUND:
|
|
case SH_POLY_SET_TRIANGLE:
|
|
case SH_NULL:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
switch( aItem->Type() )
|
|
{
|
|
case PCB_FOOTPRINT_T:
|
|
{
|
|
FOOTPRINT* footprint = static_cast<FOOTPRINT*>( aItem );
|
|
|
|
for( PAD* pad : footprint->Pads() )
|
|
{
|
|
if( !aFrom && m_magneticSettings->pads != MAGNETIC_OPTIONS::CAPTURE_ALWAYS )
|
|
continue;
|
|
|
|
if( !view->IsVisible( pad ) || !pad->GetBoundingBox().Contains( aRefPos ) )
|
|
continue;
|
|
|
|
// Getting pads from a footprint requires re-checking that the pads are shown
|
|
bool onActiveLayer = !isHighContrast;
|
|
bool isLODVisible = false;
|
|
|
|
for( PCB_LAYER_ID layer : pad->GetLayerSet().Seq() )
|
|
{
|
|
if( !onActiveLayer && activeLayers.count( layer ) )
|
|
onActiveLayer = true;
|
|
|
|
if( !isLODVisible && pad->ViewGetLOD( layer, view ) < view->GetScale() )
|
|
isLODVisible = true;
|
|
|
|
if( onActiveLayer && isLODVisible )
|
|
{
|
|
handlePadShape( pad );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// if the cursor is not over a pad, then drag the footprint by its origin
|
|
VECTOR2I position = footprint->GetPosition();
|
|
addAnchor( position, ORIGIN | SNAPPABLE, footprint );
|
|
|
|
// Add the footprint center point if it is markedly different from the origin
|
|
VECTOR2I center = footprint->GetBoundingBox( false, false ).Centre();
|
|
VECTOR2I grid( GetGrid() );
|
|
|
|
if( ( center - position ).SquaredEuclideanNorm() > grid.SquaredEuclideanNorm() )
|
|
addAnchor( center, ORIGIN | SNAPPABLE, footprint );
|
|
|
|
break;
|
|
}
|
|
|
|
case PCB_PAD_T:
|
|
{
|
|
if( aFrom || m_magneticSettings->pads == MAGNETIC_OPTIONS::CAPTURE_ALWAYS )
|
|
{
|
|
PAD* pad = static_cast<PAD*>( aItem );
|
|
handlePadShape( pad );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case PCB_FP_SHAPE_T:
|
|
case PCB_SHAPE_T:
|
|
case PCB_FP_TEXTBOX_T:
|
|
case PCB_TEXTBOX_T:
|
|
{
|
|
if( !m_magneticSettings->graphics )
|
|
break;
|
|
|
|
PCB_SHAPE* shape = static_cast<PCB_SHAPE*>( aItem );
|
|
VECTOR2I start = shape->GetStart();
|
|
VECTOR2I end = shape->GetEnd();
|
|
|
|
switch( shape->GetShape() )
|
|
{
|
|
case SHAPE_T::CIRCLE:
|
|
{
|
|
int r = ( start - end ).EuclideanNorm();
|
|
|
|
addAnchor( start, ORIGIN | SNAPPABLE, shape );
|
|
addAnchor( start + VECTOR2I( -r, 0 ), OUTLINE | SNAPPABLE, shape );
|
|
addAnchor( start + VECTOR2I( r, 0 ), OUTLINE | SNAPPABLE, shape );
|
|
addAnchor( start + VECTOR2I( 0, -r ), OUTLINE | SNAPPABLE, shape );
|
|
addAnchor( start + VECTOR2I( 0, r ), OUTLINE | SNAPPABLE, shape );
|
|
break;
|
|
}
|
|
|
|
case SHAPE_T::ARC:
|
|
addAnchor( shape->GetStart(), CORNER | SNAPPABLE, shape );
|
|
addAnchor( shape->GetEnd(), CORNER | SNAPPABLE, shape );
|
|
addAnchor( shape->GetArcMid(), CORNER | SNAPPABLE, shape );
|
|
addAnchor( shape->GetCenter(), ORIGIN | SNAPPABLE, shape );
|
|
break;
|
|
|
|
case SHAPE_T::RECT:
|
|
{
|
|
VECTOR2I point2( end.x, start.y );
|
|
VECTOR2I point3( start.x, end.y );
|
|
SEG first( start, point2 );
|
|
SEG second( point2, end );
|
|
SEG third( end, point3 );
|
|
SEG fourth( point3, start );
|
|
|
|
addAnchor( first.A, CORNER | SNAPPABLE, shape );
|
|
addAnchor( first.Center(), CORNER | SNAPPABLE, shape );
|
|
addAnchor( second.A, CORNER | SNAPPABLE, shape );
|
|
addAnchor( second.Center(), CORNER | SNAPPABLE, shape );
|
|
addAnchor( third.A, CORNER | SNAPPABLE, shape );
|
|
addAnchor( third.Center(), CORNER | SNAPPABLE, shape );
|
|
addAnchor( fourth.A, CORNER | SNAPPABLE, shape );
|
|
addAnchor( fourth.Center(), CORNER | SNAPPABLE, shape );
|
|
break;
|
|
}
|
|
|
|
case SHAPE_T::SEGMENT:
|
|
addAnchor( start, CORNER | SNAPPABLE, shape );
|
|
addAnchor( end, CORNER | SNAPPABLE, shape );
|
|
addAnchor( shape->GetCenter(), CORNER | SNAPPABLE, shape );
|
|
break;
|
|
|
|
case SHAPE_T::POLY:
|
|
{
|
|
SHAPE_LINE_CHAIN lc;
|
|
lc.SetClosed( true );
|
|
std::vector<VECTOR2I> poly;
|
|
shape->DupPolyPointsList( poly );
|
|
|
|
for( const VECTOR2I& p : poly )
|
|
{
|
|
addAnchor( p, CORNER | SNAPPABLE, shape );
|
|
lc.Append( p );
|
|
}
|
|
|
|
addAnchor( lc.NearestPoint( aRefPos ), OUTLINE, aItem );
|
|
break;
|
|
}
|
|
|
|
case SHAPE_T::BEZIER:
|
|
addAnchor( start, CORNER | SNAPPABLE, shape );
|
|
addAnchor( end, CORNER | SNAPPABLE, shape );
|
|
KI_FALLTHROUGH;
|
|
|
|
default:
|
|
addAnchor( shape->GetPosition(), ORIGIN | SNAPPABLE, shape );
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case PCB_TRACE_T:
|
|
case PCB_ARC_T:
|
|
{
|
|
if( aFrom || m_magneticSettings->tracks == MAGNETIC_OPTIONS::CAPTURE_ALWAYS )
|
|
{
|
|
PCB_TRACK* track = static_cast<PCB_TRACK*>( aItem );
|
|
|
|
addAnchor( track->GetStart(), CORNER | SNAPPABLE, track );
|
|
addAnchor( track->GetEnd(), CORNER | SNAPPABLE, track );
|
|
addAnchor( track->GetCenter(), ORIGIN, track);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case PCB_MARKER_T:
|
|
case PCB_TARGET_T:
|
|
addAnchor( aItem->GetPosition(), ORIGIN | CORNER | SNAPPABLE, aItem );
|
|
break;
|
|
|
|
case PCB_VIA_T:
|
|
{
|
|
if( aFrom || m_magneticSettings->tracks == MAGNETIC_OPTIONS::CAPTURE_ALWAYS )
|
|
addAnchor( aItem->GetPosition(), ORIGIN | CORNER | SNAPPABLE, aItem );
|
|
|
|
break;
|
|
}
|
|
|
|
case PCB_ZONE_T:
|
|
{
|
|
const SHAPE_POLY_SET* outline = static_cast<const ZONE*>( aItem )->Outline();
|
|
|
|
SHAPE_LINE_CHAIN lc;
|
|
lc.SetClosed( true );
|
|
|
|
for( auto iter = outline->CIterateWithHoles(); iter; iter++ )
|
|
{
|
|
addAnchor( *iter, CORNER, aItem );
|
|
lc.Append( *iter );
|
|
}
|
|
|
|
addAnchor( lc.NearestPoint( aRefPos ), OUTLINE, aItem );
|
|
|
|
break;
|
|
}
|
|
|
|
case PCB_FP_ZONE_T:
|
|
{
|
|
const SHAPE_POLY_SET* outline = static_cast<const FP_ZONE*>( aItem )->Outline();
|
|
|
|
SHAPE_LINE_CHAIN lc;
|
|
lc.SetClosed( true );
|
|
|
|
for( auto iter = outline->CIterateWithHoles(); iter; iter++ )
|
|
{
|
|
addAnchor( *iter, CORNER, aItem );
|
|
lc.Append( *iter );
|
|
}
|
|
|
|
addAnchor( lc.NearestPoint( aRefPos ), OUTLINE, aItem );
|
|
|
|
break;
|
|
}
|
|
|
|
case PCB_DIM_ALIGNED_T:
|
|
case PCB_DIM_ORTHOGONAL_T:
|
|
case PCB_FP_DIM_ALIGNED_T:
|
|
case PCB_FP_DIM_ORTHOGONAL_T:
|
|
{
|
|
const PCB_DIM_ALIGNED* dim = static_cast<const PCB_DIM_ALIGNED*>( aItem );
|
|
addAnchor( dim->GetCrossbarStart(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( dim->GetCrossbarEnd(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( dim->GetStart(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( dim->GetEnd(), CORNER | SNAPPABLE, aItem );
|
|
break;
|
|
}
|
|
|
|
case PCB_DIM_CENTER_T:
|
|
case PCB_FP_DIM_CENTER_T:
|
|
{
|
|
const PCB_DIM_CENTER* dim = static_cast<const PCB_DIM_CENTER*>( aItem );
|
|
addAnchor( dim->GetStart(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( dim->GetEnd(), CORNER | SNAPPABLE, aItem );
|
|
|
|
VECTOR2I start( dim->GetStart() );
|
|
VECTOR2I radial( dim->GetEnd() - dim->GetStart() );
|
|
|
|
for( int i = 0; i < 2; i++ )
|
|
{
|
|
RotatePoint( radial, -ANGLE_90 );
|
|
addAnchor( start + radial, CORNER | SNAPPABLE, aItem );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case PCB_DIM_RADIAL_T:
|
|
case PCB_FP_DIM_RADIAL_T:
|
|
{
|
|
const PCB_DIM_RADIAL* radialDim = static_cast<const PCB_DIM_RADIAL*>( aItem );
|
|
addAnchor( radialDim->GetStart(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( radialDim->GetEnd(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( radialDim->GetKnee(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( radialDim->Text().GetPosition(), CORNER | SNAPPABLE, aItem );
|
|
break;
|
|
}
|
|
|
|
case PCB_DIM_LEADER_T:
|
|
case PCB_FP_DIM_LEADER_T:
|
|
{
|
|
const PCB_DIM_LEADER* leader = static_cast<const PCB_DIM_LEADER*>( aItem );
|
|
addAnchor( leader->GetStart(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( leader->GetEnd(), CORNER | SNAPPABLE, aItem );
|
|
addAnchor( leader->Text().GetPosition(), CORNER | SNAPPABLE, aItem );
|
|
break;
|
|
}
|
|
|
|
case PCB_FP_TEXT_T:
|
|
case PCB_TEXT_T:
|
|
addAnchor( aItem->GetPosition(), ORIGIN, aItem );
|
|
break;
|
|
|
|
case PCB_GROUP_T:
|
|
{
|
|
const PCB_GROUP* group = static_cast<const PCB_GROUP*>( aItem );
|
|
|
|
for( BOARD_ITEM* item : group->GetItems() )
|
|
computeAnchors( item, aRefPos, aFrom );
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
PCB_GRID_HELPER::ANCHOR* PCB_GRID_HELPER::nearestAnchor( const VECTOR2I& aPos, int aFlags,
|
|
LSET aMatchLayers )
|
|
{
|
|
double minDist = std::numeric_limits<double>::max();
|
|
ANCHOR* best = nullptr;
|
|
|
|
for( ANCHOR& a : m_anchors )
|
|
{
|
|
BOARD_ITEM* item = static_cast<BOARD_ITEM*>( a.item );
|
|
|
|
if( ( aMatchLayers & item->GetLayerSet() ) == 0 )
|
|
continue;
|
|
|
|
if( ( aFlags & a.flags ) != aFlags )
|
|
continue;
|
|
|
|
double dist = a.Distance( aPos );
|
|
|
|
if( dist < minDist )
|
|
{
|
|
minDist = dist;
|
|
best = &a;
|
|
}
|
|
}
|
|
|
|
return best;
|
|
}
|