2021-11-02 09:18:58 +00:00
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/*
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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) 2021 Jean-Pierre Charras, jp.charras at wanadoo.fr
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2022-01-22 19:26:58 +00:00
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* Copyright (C) 2022 KiCad Developers, see AUTHORS.txt for contributors.
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2021-11-02 09:18:58 +00:00
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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 <confirm.h>
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#include <board_design_settings.h>
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#include <pcb_track.h>
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#include <pad.h>
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#include <zone_filler.h>
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#include <board_commit.h>
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#include "teardrop.h"
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#include <geometry/convex_hull.h>
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#include <geometry/shape_line_chain.h>
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#include <convert_basic_shapes_to_polygon.h>
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#include <bezier_curves.h>
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#include <wx/log.h>
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2021-12-19 09:30:31 +00:00
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// The first priority level of a teardrop area (arbitrary value)
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#define MAGIC_TEARDROP_ZONE_ID 30000
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2021-11-02 09:18:58 +00:00
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2022-01-23 11:57:06 +00:00
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TEARDROP_MANAGER::TEARDROP_MANAGER( BOARD* aBoard, PCB_EDIT_FRAME* aFrame )
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2021-11-02 09:18:58 +00:00
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{
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2022-01-23 11:57:06 +00:00
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m_board = aBoard;
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m_prmsList = m_board->GetDesignSettings().GetTeadropParamsList();
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m_tolerance = 0;
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2021-11-02 09:18:58 +00:00
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}
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// Build a zone teardrop
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2022-08-07 06:52:40 +00:00
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static ZONE_SETTINGS s_default_settings; // Use zone default settings for teardrop
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2021-11-02 09:18:58 +00:00
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ZONE* TEARDROP_MANAGER::createTeardrop( TEARDROP_VARIANT aTeardropVariant,
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2022-01-16 09:24:23 +00:00
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std::vector<VECTOR2I>& aPoints, PCB_TRACK* aTrack) const
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2021-11-02 09:18:58 +00:00
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{
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ZONE* teardrop = new ZONE( m_board );
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2022-08-07 06:52:40 +00:00
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// teardrop settings are the last zone settings used by a zone dialog.
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// override them by default.
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s_default_settings.ExportSetting( *teardrop, false );
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2021-11-02 09:18:58 +00:00
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// Add zone properties (priority will be fixed later)
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2021-12-19 09:30:31 +00:00
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teardrop->SetTeardropAreaType( aTeardropVariant == TD_TYPE_PADVIA ?
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TEARDROP_TYPE::TD_VIAPAD :
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TEARDROP_TYPE::TD_TRACKEND );
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2021-11-02 09:18:58 +00:00
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teardrop->SetLayer( aTrack->GetLayer() );
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teardrop->SetNetCode( aTrack->GetNetCode() );
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teardrop->SetLocalClearance( 0 );
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2022-09-16 11:33:56 +00:00
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teardrop->SetMinThickness( pcbIUScale.mmToIU( 0.0254 ) ); // The minimum zone thickness
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2021-11-02 09:18:58 +00:00
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teardrop->SetPadConnection( ZONE_CONNECTION::FULL );
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teardrop->SetIsFilled( false );
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teardrop->SetZoneName( aTeardropVariant == TD_TYPE_PADVIA ?
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MAGIC_TEARDROP_PADVIA_NAME :
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MAGIC_TEARDROP_TRACK_NAME );
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teardrop->SetIslandRemovalMode( ISLAND_REMOVAL_MODE::NEVER );
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SHAPE_POLY_SET* outline = teardrop->Outline();
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outline->NewOutline();
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2021-12-19 09:30:31 +00:00
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for( VECTOR2I pt: aPoints )
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2021-11-02 09:18:58 +00:00
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outline->Append(pt.x, pt.y);
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2022-08-07 06:52:40 +00:00
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// Used in priority calculations:
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2021-11-02 09:18:58 +00:00
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teardrop->CalculateFilledArea();
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return teardrop;
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}
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2022-01-27 10:24:10 +00:00
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int TEARDROP_MANAGER::SetTeardrops( BOARD_COMMIT* aCommitter, bool aFollowTracks )
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2021-11-02 09:18:58 +00:00
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{
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// Init parameters:
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2022-09-16 11:33:56 +00:00
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m_tolerance = pcbIUScale.mmToIU( 0.01 );
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2021-11-02 09:18:58 +00:00
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int count = 0; // Number of created teardrop
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// Old teardrops must be removed, to ensure a clean teardrop rebuild
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int removed_cnt = RemoveTeardrops( aCommitter, false );
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// get vias, PAD_ATTRIB_PTH and others if aIncludeNotDrilled == true
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// (custom pads are not collected)
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std::vector< VIAPAD > viapad_list;
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2022-01-16 14:00:40 +00:00
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2022-01-23 11:57:06 +00:00
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if( m_prmsList->m_TargetViasPads )
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2022-01-16 14:00:40 +00:00
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collectVias( viapad_list );
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2022-01-23 11:57:06 +00:00
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collectPadsCandidate( viapad_list, m_prmsList->m_TargetViasPads,
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m_prmsList->m_UseRoundShapesOnly, m_prmsList->m_TargetPadsWithNoHole );
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2021-11-02 09:18:58 +00:00
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TRACK_BUFFER trackLookupList;
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if( aFollowTracks )
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{
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// Build the track list (only straight lines)
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for( PCB_TRACK* track: m_board->Tracks() )
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{
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if( track->Type() == PCB_TRACE_T )
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{
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int netcode = track->GetNetCode();
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int layer = track->GetLayer();
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trackLookupList.AddTrack( track, layer, netcode );
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}
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}
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}
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std::vector< ZONE*> teardrops;
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collectTeardrops( teardrops );
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for( PCB_TRACK* track : m_board->Tracks() )
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{
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if( track->Type() != PCB_TRACE_T )
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continue;
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// Search for a padvia connected to track, with one end inside and one end outside
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// if both track ends are inside or outside, one cannot build a teadrop
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for( VIAPAD& viapad: viapad_list )
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{
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2022-01-16 09:24:23 +00:00
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// Pad and track must be on the same layer
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if( !viapad.IsOnLayer( track->GetLayer() ) )
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continue;
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2021-11-02 09:18:58 +00:00
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bool start_in_pad = viapad.m_Parent->HitTest( track->GetStart() );
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bool end_in_pad = viapad.m_Parent->HitTest( track->GetEnd() );
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if( end_in_pad == start_in_pad )
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// the track is inside or outside the via pad. Cannot create a teardrop
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continue;
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2022-01-17 15:28:28 +00:00
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// A pointer to one of available m_Parameters items
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TEARDROP_PARAMETERS* currParams;
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2022-01-16 09:24:23 +00:00
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if( viapad.m_IsRound )
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2022-01-23 11:57:06 +00:00
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currParams = m_prmsList->GetParameters( TARGET_ROUND );
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2022-01-16 09:24:23 +00:00
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else
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2022-01-23 11:57:06 +00:00
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currParams = m_prmsList->GetParameters( TARGET_RECT );
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2022-01-16 09:24:23 +00:00
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2021-11-02 09:18:58 +00:00
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// Ensure a teardrop shape can be built:
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// The track width must be < teardrop height
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2022-01-22 19:26:58 +00:00
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if( track->GetWidth() >= currParams->m_TdMaxHeight
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|| track->GetWidth() >= viapad.m_Width * currParams->m_HeightRatio )
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2021-11-02 09:18:58 +00:00
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continue;
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2022-01-30 14:32:38 +00:00
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// Ensure also it is not filtered by a too high track->GetWidth()/viapad.m_Width ratio
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if( track->GetWidth() >= viapad.m_Width * currParams->m_WidthtoSizeFilterRatio )
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continue;
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2021-11-02 09:18:58 +00:00
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// Skip case where pad/via and the track is within a copper zone with the same net
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// (and the pad can be connected by the zone thermal relief )
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2022-01-27 10:24:10 +00:00
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if( !m_prmsList->m_TdOnPadsInZones && isViaAndTrackInSameZone( viapad, track ) )
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2021-11-02 09:18:58 +00:00
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continue;
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2021-12-19 09:30:31 +00:00
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std::vector<VECTOR2I> points;
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2022-01-17 15:28:28 +00:00
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bool success = computeTeardropPolygonPoints( currParams, points, track, viapad,
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2021-11-02 09:18:58 +00:00
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aFollowTracks, trackLookupList );
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if( success )
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{
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ZONE* new_teardrop = createTeardrop( TD_TYPE_PADVIA, points, track );
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m_board->Add( new_teardrop, ADD_MODE::BULK_INSERT );
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m_createdTdList.push_back( new_teardrop );
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if( aCommitter )
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aCommitter->Added( new_teardrop );
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count += 1;
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}
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}
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}
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int track2trackCount = 0;
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2022-01-23 11:57:06 +00:00
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if( m_prmsList->m_TargetTrack2Track )
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2021-11-02 09:18:58 +00:00
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track2trackCount = addTeardropsOnTracks( aCommitter );
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// Now set priority of teardrops now all teardrops are added
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setTeardropPriorities();
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2022-03-11 15:12:27 +00:00
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// Fill teardrop shapes. This is a rough calculation, just to show a filled
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// shape on screen, but most of time this is a good shape.
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// Exact shapes can be calculated only on a full zone refill, **much more** time consuming
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if( m_createdTdList.size() )
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2021-11-02 09:18:58 +00:00
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{
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2022-09-16 11:33:56 +00:00
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int epsilon = pcbIUScale.mmToIU( 0.001 );
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2022-03-11 15:12:27 +00:00
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for( ZONE* zone: m_createdTdList )
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{
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int half_min_width = zone->GetMinThickness() / 2;
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2022-09-16 11:33:56 +00:00
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int numSegs = GetArcToSegmentCount( half_min_width, pcbIUScale.mmToIU( 0.005 ), FULL_CIRCLE );
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2022-03-11 15:12:27 +00:00
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SHAPE_POLY_SET filledPolys = *zone->Outline();
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2021-11-02 09:18:58 +00:00
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2022-03-11 15:12:27 +00:00
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filledPolys.Deflate( half_min_width - epsilon, numSegs );
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// Re-inflate after pruning of areas that don't meet minimum-width criteria
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if( half_min_width - epsilon > epsilon )
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filledPolys.Inflate( half_min_width - epsilon, numSegs );
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zone->SetFilledPolysList( zone->GetFirstLayer(), filledPolys );
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}
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}
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if( count || removed_cnt || track2trackCount )
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{
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2021-11-02 09:18:58 +00:00
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if( aCommitter )
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aCommitter->Push( _( "Add teardrops" ) );
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2022-03-11 15:12:27 +00:00
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// Note:
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// Refill zones can be made only with clean data, especially connectivity data,
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// therefore only after changes are pushed to avoid crashes in some cases
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2021-11-02 09:18:58 +00:00
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}
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return count + track2trackCount;
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}
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void TEARDROP_MANAGER::setTeardropPriorities()
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{
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2022-03-11 10:02:45 +00:00
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// Note: a teardrop area is on only one layer, so using GetFirstLayer() is OK
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// to know the zone layer of a teardrop
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2021-11-02 09:18:58 +00:00
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int priority_base = MAGIC_TEARDROP_ZONE_ID;
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// The sort function to sort by increasing copper layers. Group by layers.
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// For same layers sort by decreasing areas
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struct
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{
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bool operator()(ZONE* a, ZONE* b) const
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{
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2022-03-11 10:02:45 +00:00
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if( a->GetFirstLayer() == b->GetFirstLayer() )
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2021-11-02 09:18:58 +00:00
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return a->GetOutlineArea() > b->GetOutlineArea();
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2022-03-11 10:02:45 +00:00
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return a->GetFirstLayer() < b->GetFirstLayer();
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2021-11-02 09:18:58 +00:00
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}
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} compareLess;
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for( ZONE* td: m_createdTdList )
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td->CalculateOutlineArea();
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std::sort( m_createdTdList.begin(), m_createdTdList.end(), compareLess );
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int curr_layer = -1;
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for( ZONE* td: m_createdTdList )
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{
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2022-03-11 10:02:45 +00:00
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if( td->GetFirstLayer() != curr_layer )
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2021-11-02 09:18:58 +00:00
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{
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2022-03-11 10:02:45 +00:00
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curr_layer = td->GetFirstLayer();
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2021-11-02 09:18:58 +00:00
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priority_base = MAGIC_TEARDROP_ZONE_ID;
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}
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2022-03-01 14:53:35 +00:00
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td->SetAssignedPriority( priority_base++ );
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2021-11-02 09:18:58 +00:00
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}
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}
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int TEARDROP_MANAGER::addTeardropsOnTracks( BOARD_COMMIT* aCommitter )
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{
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TRACK_BUFFER trackLookupList;
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int count = 0;
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// Build the track list (only straight lines)
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for( PCB_TRACK* track: m_board->Tracks() )
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{
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if( track->Type() == PCB_TRACE_T )
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{
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int netcode = track->GetNetCode();
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int layer = track->GetLayer();
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trackLookupList.AddTrack( track, layer, netcode );
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}
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}
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// get vias and pads (custom pads are not collected). We do not create a track to track
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// teardrop inside a pad or via area
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std::vector< VIAPAD > viapad_list;
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collectVias( viapad_list );
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2022-01-16 14:00:40 +00:00
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collectPadsCandidate( viapad_list, true, true, true );
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2022-01-17 15:28:28 +00:00
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2022-01-23 11:57:06 +00:00
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TEARDROP_PARAMETERS* currParams = m_prmsList->GetParameters( TARGET_TRACK );
|
2021-11-02 09:18:58 +00:00
|
|
|
|
|
|
|
// Explore groups (a group is a set of tracks on the same layer and the same net):
|
|
|
|
for( auto grp : trackLookupList.GetBuffer() )
|
|
|
|
{
|
|
|
|
int layer, netcode;
|
|
|
|
TRACK_BUFFER::GetNetcodeAndLayerFromIndex( grp.first, &layer, &netcode );
|
|
|
|
|
|
|
|
std::vector<PCB_TRACK*>* sublist = grp.second;
|
|
|
|
|
|
|
|
if( sublist->size() <= 1 ) // We need at least 2 track segments
|
|
|
|
continue;
|
|
|
|
|
|
|
|
// The sort function to sort by increasing track widths
|
|
|
|
struct
|
|
|
|
{
|
|
|
|
bool operator()(PCB_TRACK* a, PCB_TRACK* b) const
|
|
|
|
{ return a->GetWidth() < b->GetWidth(); }
|
|
|
|
} compareLess;
|
|
|
|
|
|
|
|
std::sort( sublist->begin(), sublist->end(), compareLess );
|
|
|
|
int min_width = sublist->front()->GetWidth();
|
|
|
|
int max_width = sublist->back()->GetWidth();
|
|
|
|
|
|
|
|
// Skip groups having the same track thickness
|
|
|
|
if( max_width == min_width )
|
|
|
|
continue;
|
|
|
|
|
|
|
|
for( unsigned ii = 0; ii < sublist->size()-1; ii++ )
|
|
|
|
{
|
|
|
|
PCB_TRACK* track = (*sublist)[ii];
|
|
|
|
int track_len = track->GetLength();
|
|
|
|
min_width = track->GetWidth();
|
|
|
|
|
|
|
|
// to avoid creating a teardrop between 2 tracks having similar widths
|
|
|
|
// give a threshold
|
2022-01-30 14:32:38 +00:00
|
|
|
const double th = currParams->m_WidthtoSizeFilterRatio > 0.1 ?
|
|
|
|
1.0 / currParams->m_WidthtoSizeFilterRatio
|
|
|
|
: 10.0;
|
2021-11-02 09:18:58 +00:00
|
|
|
min_width = min_width * th;
|
|
|
|
|
|
|
|
for( unsigned jj = ii+1; jj < sublist->size(); jj++ )
|
|
|
|
{
|
Fix typos in pcbnew sub-directory
Found via `codespell -q 3 -S *.po,./thirdparty,./Documentation/changelogs -L aactual,acount,aline,alocation,alog,anormal,anumber,aother,apoints,aparent,aray,ba,busses,dout,einstance,leaded,modul,ontext,ot,overide,serie,te,,tesselate,tesselator,tht`
2022-06-29 20:21:10 +00:00
|
|
|
// Search candidates with thickness > curr thickness
|
2021-11-02 09:18:58 +00:00
|
|
|
PCB_TRACK* candidate = (*sublist)[jj];
|
|
|
|
|
|
|
|
if( min_width >= candidate->GetWidth() )
|
|
|
|
continue;
|
|
|
|
|
|
|
|
// Cannot build a teardrop on a too short track segment.
|
|
|
|
// The min len is > candidate radius
|
|
|
|
if( track_len <= candidate->GetWidth() /2 )
|
|
|
|
continue;
|
|
|
|
|
|
|
|
// Now test end to end connection:
|
|
|
|
EDA_ITEM_FLAGS match_points; // to return the end point EDA_ITEM_FLAGS:
|
|
|
|
// 0, STARTPOINT, ENDPOINT
|
|
|
|
|
2021-12-19 09:30:31 +00:00
|
|
|
VECTOR2I roundshape_pos = candidate->GetStart();
|
2021-11-02 09:18:58 +00:00
|
|
|
ENDPOINT_T endPointCandidate = ENDPOINT_START;
|
2022-01-17 15:28:28 +00:00
|
|
|
match_points = track->IsPointOnEnds( roundshape_pos, m_tolerance );
|
2021-11-02 09:18:58 +00:00
|
|
|
|
|
|
|
if( !match_points )
|
|
|
|
{
|
|
|
|
roundshape_pos = candidate->GetEnd();
|
2022-01-17 15:28:28 +00:00
|
|
|
match_points = track->IsPointOnEnds( roundshape_pos, m_tolerance );
|
2021-11-02 09:18:58 +00:00
|
|
|
endPointCandidate = ENDPOINT_END;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Ensure a pad or via is not on test_pos point before creating a teardrop
|
|
|
|
// at this location
|
|
|
|
for( VIAPAD& viapad : viapad_list )
|
|
|
|
{
|
|
|
|
if( viapad.IsOnLayer( track->GetLayer() )
|
|
|
|
&& viapad.m_Parent->HitTest( roundshape_pos, 0 ) )
|
|
|
|
{
|
|
|
|
match_points = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if( match_points )
|
|
|
|
{
|
|
|
|
VIAPAD viatrack( candidate, endPointCandidate );
|
2021-12-19 09:30:31 +00:00
|
|
|
std::vector<VECTOR2I> points;
|
2022-01-17 15:28:28 +00:00
|
|
|
bool success = computeTeardropPolygonPoints( currParams,
|
|
|
|
points, track, viatrack,
|
2021-11-02 09:18:58 +00:00
|
|
|
false, trackLookupList );
|
|
|
|
|
|
|
|
if( success )
|
|
|
|
{
|
|
|
|
ZONE* new_teardrop = createTeardrop( TD_TYPE_TRACKEND, points, track );
|
|
|
|
m_board->Add( new_teardrop, ADD_MODE::BULK_INSERT );
|
|
|
|
m_createdTdList.push_back( new_teardrop );
|
|
|
|
|
|
|
|
if( aCommitter )
|
|
|
|
aCommitter->Added( new_teardrop );
|
|
|
|
|
|
|
|
count += 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int TEARDROP_MANAGER::RemoveTeardrops( BOARD_COMMIT* aCommitter, bool aCommitAfterRemove )
|
|
|
|
{
|
|
|
|
int count = 0;
|
|
|
|
std::vector< ZONE*> teardrops;
|
|
|
|
|
|
|
|
collectTeardrops( teardrops );
|
|
|
|
|
|
|
|
for( ZONE* teardrop : teardrops )
|
|
|
|
{
|
|
|
|
m_board->Remove( teardrop, REMOVE_MODE::BULK );
|
|
|
|
|
|
|
|
if( aCommitter )
|
|
|
|
aCommitter->Removed( teardrop );
|
|
|
|
|
|
|
|
count += 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( count )
|
|
|
|
{
|
|
|
|
ZONE_FILLER filler( m_board, aCommitter );
|
2022-01-25 11:52:13 +00:00
|
|
|
(void)filler.Fill( m_board->Zones() );
|
2021-11-02 09:18:58 +00:00
|
|
|
|
|
|
|
if( aCommitter && aCommitAfterRemove )
|
2022-09-29 16:07:42 +00:00
|
|
|
aCommitter->Push( _( "Remove teardrops" ), SKIP_CONNECTIVITY );
|
|
|
|
|
|
|
|
m_board->BuildConnectivity();
|
2021-11-02 09:18:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|