board_design_settings.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2022 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 <pcb_dimension.h>
#include <pcb_track.h>
#include <layer_ids.h>
#include <kiface_base.h>
#include <pad.h>
#include <board_design_settings.h>
#include <drc/drc_item.h>
#include <drc/drc_engine.h>
#include <settings/json_settings_internals.h>
#include <settings/parameters.h>
#include <project/project_file.h>
#include <advanced_config.h>
#include <pcbnew.h>
 
const int bdsSchemaVersion = 2;
 
 
BOARD_DESIGN_SETTINGS::BOARD_DESIGN_SETTINGS( JSON_SETTINGS* aParent, const std::string& aPath ) :
 NESTED_SETTINGS( "board_design_settings", bdsSchemaVersion, aParent, aPath )
{
 // We want to leave alone parameters that aren't found in the project JSON as they may be
 // initialized by the board file parser before NESTED_SETTINGS::LoadFromFile is called.
 m_resetParamsIfMissing = false;
 
 // Create a default NET_SETTINGS so that things don't break horribly if there's no project
 // loaded. This also is used during file load for legacy boards that have netclasses stored
 // in the file. After load, this information will be moved to the project and the pointer
 // updated.
 m_NetSettings = std::make_shared<NET_SETTINGS>( nullptr, "" );
 
 m_HasStackup = false; // no stackup defined by default
 
 m_Pad_Master = std::make_unique<PAD>( nullptr );
 
 LSET all_set = LSET().set();
 m_enabledLayers = all_set; // All layers enabled at first.
 // SetCopperLayerCount() will adjust this.
 
 SetCopperLayerCount( 2 ); // Default design is a double sided board
 m_CurrentViaType = VIATYPE::THROUGH;
 
 // if true, when creating a new track starting on an existing track, use this track width
 m_UseConnectedTrackWidth = false;
 m_TempOverrideTrackWidth = false;
 
 // First is always the reference designator
 m_DefaultFPTextItems.emplace_back( wxT( "REF**" ), true, F_SilkS );
 // Second is always the value
 m_DefaultFPTextItems.emplace_back( wxT( "" ), true, F_Fab );
 // Any following ones are freebies
 m_DefaultFPTextItems.emplace_back( wxT( "${REFERENCE}" ), true, F_Fab );
 
 m_LineThickness[ LAYER_CLASS_SILK ] = pcbIUScale.mmToIU( DEFAULT_SILK_LINE_WIDTH );
 m_TextSize[ LAYER_CLASS_SILK ] = wxSize( pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_SIZE ),
 pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_SIZE ) );
 m_TextThickness[ LAYER_CLASS_SILK ] = pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_WIDTH );
 m_TextItalic[ LAYER_CLASS_SILK ] = false;
 m_TextUpright[ LAYER_CLASS_SILK ] = false;
 
 m_LineThickness[ LAYER_CLASS_COPPER ] = pcbIUScale.mmToIU( DEFAULT_COPPER_LINE_WIDTH );
 m_TextSize[ LAYER_CLASS_COPPER ] = wxSize( pcbIUScale.mmToIU( DEFAULT_COPPER_TEXT_SIZE ),
 pcbIUScale.mmToIU( DEFAULT_COPPER_TEXT_SIZE ) );
 m_TextThickness[ LAYER_CLASS_COPPER ] = pcbIUScale.mmToIU( DEFAULT_COPPER_TEXT_WIDTH );
 m_TextItalic[ LAYER_CLASS_COPPER ] = false;
 m_TextUpright[ LAYER_CLASS_COPPER ] = false;
 
 // Edges & Courtyards; text properties aren't used but better to have them holding
 // reasonable values than not.
 m_LineThickness[ LAYER_CLASS_EDGES ] = pcbIUScale.mmToIU( DEFAULT_EDGE_WIDTH );
 m_TextSize[ LAYER_CLASS_EDGES ] = wxSize( pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ),
 pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ) );
 m_TextThickness[ LAYER_CLASS_EDGES ] = pcbIUScale.mmToIU( DEFAULT_TEXT_WIDTH );
 m_TextItalic[ LAYER_CLASS_EDGES ] = false;
 m_TextUpright[ LAYER_CLASS_EDGES ] = false;
 
 m_LineThickness[ LAYER_CLASS_COURTYARD ] = pcbIUScale.mmToIU( DEFAULT_COURTYARD_WIDTH );
 m_TextSize[ LAYER_CLASS_COURTYARD ] = wxSize( pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ),
 pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ) );
 m_TextThickness[ LAYER_CLASS_COURTYARD ] = pcbIUScale.mmToIU( DEFAULT_TEXT_WIDTH );
 m_TextItalic[ LAYER_CLASS_COURTYARD ] = false;
 m_TextUpright[ LAYER_CLASS_COURTYARD ] = false;
 
 m_LineThickness[ LAYER_CLASS_FAB ] = pcbIUScale.mmToIU( DEFAULT_LINE_WIDTH );
 m_TextSize[ LAYER_CLASS_FAB ] = wxSize( pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ),
 pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ) );
 m_TextThickness[ LAYER_CLASS_FAB ] = pcbIUScale.mmToIU( DEFAULT_TEXT_WIDTH );
 m_TextItalic[ LAYER_CLASS_FAB ] = false;
 m_TextUpright[ LAYER_CLASS_FAB ] = false;
 
 m_LineThickness[ LAYER_CLASS_OTHERS ] = pcbIUScale.mmToIU( DEFAULT_LINE_WIDTH );
 m_TextSize[ LAYER_CLASS_OTHERS ] = wxSize( pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ),
 pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ) );
 m_TextThickness[ LAYER_CLASS_OTHERS ] = pcbIUScale.mmToIU( DEFAULT_TEXT_WIDTH );
 m_TextItalic[ LAYER_CLASS_OTHERS ] = false;
 m_TextUpright[ LAYER_CLASS_OTHERS ] = false;
 
 m_DimensionPrecision = 4;
 m_DimensionUnitsMode = DIM_UNITS_MODE::AUTOMATIC;
 m_DimensionUnitsFormat = DIM_UNITS_FORMAT::BARE_SUFFIX;
 m_DimensionSuppressZeroes = false;
 m_DimensionTextPosition = DIM_TEXT_POSITION::OUTSIDE;
 m_DimensionKeepTextAligned = true;
 m_DimensionArrowLength = pcbIUScale.MilsToIU( DEFAULT_DIMENSION_ARROW_LENGTH );
 m_DimensionExtensionOffset = pcbIUScale.mmToIU( DEFAULT_DIMENSION_EXTENSION_OFFSET );
 
 m_useCustomTrackVia = false;
 m_customTrackWidth = pcbIUScale.mmToIU( DEFAULT_CUSTOMTRACKWIDTH );
 m_customViaSize.m_Diameter = pcbIUScale.mmToIU( DEFAULT_VIASMINSIZE );
 m_customViaSize.m_Drill = pcbIUScale.mmToIU( DEFAULT_MINTHROUGHDRILL );
 
 m_useCustomDiffPair = false;
 m_customDiffPair.m_Width = pcbIUScale.mmToIU( DEFAULT_CUSTOMDPAIRWIDTH );
 m_customDiffPair.m_Gap = pcbIUScale.mmToIU( DEFAULT_CUSTOMDPAIRGAP );
 m_customDiffPair.m_ViaGap = pcbIUScale.mmToIU( DEFAULT_CUSTOMDPAIRVIAGAP );
 
 m_MinClearance = pcbIUScale.mmToIU( DEFAULT_MINCLEARANCE );
 m_MinConn = pcbIUScale.mmToIU( DEFAULT_MINCONNECTION );
 m_TrackMinWidth = pcbIUScale.mmToIU( DEFAULT_TRACKMINWIDTH );
 m_ViasMinAnnularWidth = pcbIUScale.mmToIU( DEFAULT_VIASMINSIZE - DEFAULT_MINTHROUGHDRILL ) / 2;
 m_ViasMinSize = pcbIUScale.mmToIU( DEFAULT_VIASMINSIZE );
 m_MinThroughDrill = pcbIUScale.mmToIU( DEFAULT_MINTHROUGHDRILL );
 m_MicroViasMinSize = pcbIUScale.mmToIU( DEFAULT_MICROVIASMINSIZE );
 m_MicroViasMinDrill = pcbIUScale.mmToIU( DEFAULT_MICROVIASMINDRILL );
 m_CopperEdgeClearance = pcbIUScale.mmToIU( DEFAULT_COPPEREDGECLEARANCE );
 m_HoleClearance = pcbIUScale.mmToIU( DEFAULT_HOLECLEARANCE );
 m_HoleToHoleMin = pcbIUScale.mmToIU( DEFAULT_HOLETOHOLEMIN );
 m_SilkClearance = pcbIUScale.mmToIU( DEFAULT_SILKCLEARANCE );
 m_MinResolvedSpokes = DEFAULT_MINRESOLVEDSPOKES;
 m_MinSilkTextHeight = pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_SIZE * 0.8 );
 m_MinSilkTextThickness= pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_WIDTH * 0.8 );
 
 for( int errorCode = DRCE_FIRST; errorCode <= DRCE_LAST; ++errorCode )
 m_DRCSeverities[ errorCode ] = RPT_SEVERITY_ERROR;
 
 m_DRCSeverities[ DRCE_DRILLED_HOLES_COLOCATED ] = RPT_SEVERITY_WARNING;
 
 m_DRCSeverities[ DRCE_MISSING_COURTYARD ] = RPT_SEVERITY_IGNORE;
 m_DRCSeverities[ DRCE_PTH_IN_COURTYARD ] = RPT_SEVERITY_IGNORE;
 m_DRCSeverities[ DRCE_NPTH_IN_COURTYARD ] = RPT_SEVERITY_IGNORE;
 
 m_DRCSeverities[ DRCE_DANGLING_TRACK ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_DANGLING_VIA ] = RPT_SEVERITY_WARNING;
 
 m_DRCSeverities[ DRCE_COPPER_SLIVER ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_ISOLATED_COPPER ] = RPT_SEVERITY_WARNING;
 
 m_DRCSeverities[ DRCE_PADSTACK ] = RPT_SEVERITY_WARNING;
 
 m_DRCSeverities[ DRCE_MISSING_FOOTPRINT ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_DUPLICATE_FOOTPRINT ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_EXTRA_FOOTPRINT ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_NET_CONFLICT ] = RPT_SEVERITY_WARNING;
 
 m_DRCSeverities[ DRCE_OVERLAPPING_SILK ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_SILK_CLEARANCE ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_SILK_EDGE_CLEARANCE ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_TEXT_HEIGHT ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_TEXT_THICKNESS ] = RPT_SEVERITY_WARNING;
 
 m_DRCSeverities[ DRCE_FOOTPRINT_TYPE_MISMATCH ] = RPT_SEVERITY_IGNORE;
 
 m_DRCSeverities[ DRCE_LIB_FOOTPRINT_ISSUES ] = RPT_SEVERITY_WARNING;
 m_DRCSeverities[ DRCE_LIB_FOOTPRINT_MISMATCH ] = RPT_SEVERITY_WARNING;
 
 m_DRCSeverities[ DRCE_CONNECTION_WIDTH ] = RPT_SEVERITY_WARNING;
 
 m_MaxError = ARC_HIGH_DEF;
 m_ZoneKeepExternalFillets = false;
 m_UseHeightForLengthCalcs = true;
 
 // Global mask margins:
 m_SolderMaskExpansion = pcbIUScale.mmToIU( DEFAULT_SOLDERMASK_EXPANSION );
 m_SolderMaskMinWidth = pcbIUScale.mmToIU( DEFAULT_SOLDERMASK_MIN_WIDTH );
 m_SolderMaskToCopperClearance = pcbIUScale.mmToIU( DEFAULT_SOLDERMASK_TO_COPPER_CLEARANCE );
 
 // Solder paste margin absolute value
 m_SolderPasteMargin = pcbIUScale.mmToIU( DEFAULT_SOLDERPASTE_CLEARANCE );
 // Solder paste margin as a ratio of pad size
 // The final margin is the sum of these 2 values
 // Usually < 0 because the mask is smaller than pad
 m_SolderPasteMarginRatio = DEFAULT_SOLDERPASTE_RATIO;
 
 m_AllowSoldermaskBridgesInFPs = false;
 
 // Layer thickness for 3D viewer
 m_boardThickness = pcbIUScale.mmToIU( DEFAULT_BOARD_THICKNESS_MM );
 
 m_viaSizeIndex = 0;
 m_trackWidthIndex = 0;
 m_diffPairIndex = 0;
 
 // Parameters stored in JSON in the project file
 
 // NOTE: Previously, BOARD_DESIGN_SETTINGS stored the basic board layer information (layer
 // names and enable/disable state) in the project file even though this information is also
 // stored in the board file. This was implemented for importing these settings from another
 // project. Going forward, the import feature will just import from other board files (since
 // we could have multi-board projects in the future anyway) so this functionality is dropped.
 
 
 m_params.emplace_back( new PARAM<bool>( "rules.use_height_for_length_calcs",
 &m_UseHeightForLengthCalcs, true ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_clearance",
 &m_MinClearance, pcbIUScale.mmToIU( DEFAULT_MINCLEARANCE ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_connection",
 &m_MinConn, pcbIUScale.mmToIU( DEFAULT_MINCONNECTION ),
 pcbIUScale.mmToIU( 0.00 ), pcbIUScale.mmToIU( 100.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_track_width",
 &m_TrackMinWidth, pcbIUScale.mmToIU( DEFAULT_TRACKMINWIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_via_annular_width",
 &m_ViasMinAnnularWidth, pcbIUScale.mmToIU( DEFAULT_VIASMINSIZE ), pcbIUScale.mmToIU( 0.01 ),
 pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_via_diameter",
 &m_ViasMinSize, pcbIUScale.mmToIU( DEFAULT_VIASMINSIZE ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_through_hole_diameter",
 &m_MinThroughDrill, pcbIUScale.mmToIU( DEFAULT_MINTHROUGHDRILL ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_microvia_diameter",
 &m_MicroViasMinSize, pcbIUScale.mmToIU( DEFAULT_MICROVIASMINSIZE ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 10.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_microvia_drill",
 &m_MicroViasMinDrill, pcbIUScale.mmToIU( DEFAULT_MICROVIASMINDRILL ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 10.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_hole_to_hole",
 &m_HoleToHoleMin, pcbIUScale.mmToIU( DEFAULT_HOLETOHOLEMIN ),
 pcbIUScale.mmToIU( 0.00 ), pcbIUScale.mmToIU( 10.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_hole_clearance",
 &m_HoleClearance, pcbIUScale.mmToIU( DEFAULT_HOLECLEARANCE ),
 pcbIUScale.mmToIU( 0.00 ), pcbIUScale.mmToIU( 100.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_silk_clearance",
 &m_SilkClearance, pcbIUScale.mmToIU( DEFAULT_SILKCLEARANCE ),
 pcbIUScale.mmToIU( 0.00 ), pcbIUScale.mmToIU( 100.0 ), pcbIUScale.MM_PER_IU ) );
 
 // While the maximum *effective* value is 4, we've had users interpret this as the count on
 // all layers, and enter something like 10. They'll figure it out soon enough *unless* we
 // enforce a max of 4 (and therefore reset it back to the default of 2), at which point it
 // just looks buggy.
 m_params.emplace_back( new PARAM<int>( "rules.min_resolved_spokes",
 &m_MinResolvedSpokes, DEFAULT_MINRESOLVEDSPOKES, 0, 99 ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_text_height",
 &m_MinSilkTextHeight, pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_SIZE * 0.8 ),
 pcbIUScale.mmToIU( 0.00 ), pcbIUScale.mmToIU( 100.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_text_thickness",
 &m_MinSilkTextThickness, pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_WIDTH * 0.8 ),
 pcbIUScale.mmToIU( 0.00 ), pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 // Note: a clearance of -0.01 is a flag indicating we should use the legacy (pre-6.0) method
 // based on the edge cut thicknesses.
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.min_copper_edge_clearance",
 &m_CopperEdgeClearance, pcbIUScale.mmToIU( LEGACY_COPPEREDGECLEARANCE ),
 pcbIUScale.mmToIU( -0.01 ), pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "rule_severities",
 [&]() -> nlohmann::json
 {
 nlohmann::json ret = {};
 
 for( const RC_ITEM& item : DRC_ITEM::GetItemsWithSeverities() )
 {
 wxString name = item.GetSettingsKey();
 int code = item.GetErrorCode();
 
 if( name.IsEmpty() || m_DRCSeverities.count( code ) == 0 )
 continue;
 
 ret[std::string( name.ToUTF8() )] = SeverityToString( m_DRCSeverities[code] );
  }
 
 return ret;
 },
 [&]( const nlohmann::json& aJson )
 {
 if( !aJson.is_object() )
 return;
 
 for( const RC_ITEM& item : DRC_ITEM::GetItemsWithSeverities() )
 {
 wxString name = item.GetSettingsKey();
 std::string key( name.ToUTF8() );
 
 if( aJson.contains( key ) )
 m_DRCSeverities[item.GetErrorCode()] = SeverityFromString( aJson[key] );
 }
 }, {} ) );
 
 m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "drc_exclusions",
 [&]() -> nlohmann::json
 {
 nlohmann::json js = nlohmann::json::array();
 
 for( const auto& entry : m_DrcExclusions )
 js.push_back( entry );
 
 return js;
 },
 [&]( const nlohmann::json& aObj )
 {
 m_DrcExclusions.clear();
 
 if( !aObj.is_array() )
 return;
 
 for( const nlohmann::json& entry : aObj )
 {
 if( entry.empty() )
 continue;
 
 m_DrcExclusions.insert( entry.get<wxString>() );
 }
 },
 {} ) );
 
 m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "track_widths",
 [&]() -> nlohmann::json
 {
 nlohmann::json js = nlohmann::json::array();
 
 for( const int& width : m_TrackWidthList )
 js.push_back( pcbIUScale.IUTomm( width ) );
 
 return js;
 },
 [&]( const nlohmann::json& aJson )
 {
 if( !aJson.is_array() )
 return;
 
 m_TrackWidthList.clear();
 
 for( const nlohmann::json& entry : aJson )
 {
 if( entry.empty() )
 continue;
 
 m_TrackWidthList.emplace_back( pcbIUScale.mmToIU( entry.get<double>() ) );
 }
 },
 {} ) );
 
 m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "via_dimensions",
 [&]() -> nlohmann::json
 {
 nlohmann::json js = nlohmann::json::array();
 
 for( const auto& via : m_ViasDimensionsList )
 {
 nlohmann::json entry = {};
 
 entry["diameter"] = pcbIUScale.IUTomm( via.m_Diameter );
 entry["drill"] = pcbIUScale.IUTomm( via.m_Drill );
 
 js.push_back( entry );
 }
 
 return js;
 },
 [&]( const nlohmann::json& aObj )
 {
 if( !aObj.is_array() )
 return;
 
 m_ViasDimensionsList.clear();
 
 for( const nlohmann::json& entry : aObj )
 {
 if( entry.empty() || !entry.is_object() )
 continue;
 
 if( !entry.contains( "diameter" ) || !entry.contains( "drill" ) )
 continue;
 
 int diameter = pcbIUScale.mmToIU( entry["diameter"].get<double>() );
 int drill = pcbIUScale.mmToIU( entry["drill"].get<double>() );
 
 m_ViasDimensionsList.emplace_back( VIA_DIMENSION( diameter, drill ) );
 }
 },
 {} ) );
 
 m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "diff_pair_dimensions",
 [&]() -> nlohmann::json
 {
 nlohmann::json js = nlohmann::json::array();
 
 for( const auto& pair : m_DiffPairDimensionsList )
 {
 nlohmann::json entry = {};
 
 entry["width"] = pcbIUScale.IUTomm( pair.m_Width );
 entry["gap"] = pcbIUScale.IUTomm( pair.m_Gap );
 entry["via_gap"] = pcbIUScale.IUTomm( pair.m_ViaGap );
 
 js.push_back( entry );
 }
 
 return js;
 },
 [&]( const nlohmann::json& aObj )
 {
 if( !aObj.is_array() )
 return;
 
 m_DiffPairDimensionsList.clear();
 
 for( const nlohmann::json& entry : aObj )
 {
 if( entry.empty() || !entry.is_object() )
 continue;
 
 if( !entry.contains( "width" ) || !entry.contains( "gap" )
 || !entry.contains( "via_gap" ) )
 continue;
 
 int width = pcbIUScale.mmToIU( entry["width"].get<double>() );
 int gap = pcbIUScale.mmToIU( entry["gap"].get<double>() );
 int via_gap = pcbIUScale.mmToIU( entry["via_gap"].get<double>() );
 
 m_DiffPairDimensionsList.emplace_back(
 DIFF_PAIR_DIMENSION( width, gap, via_gap ) );
 }
 },
 {} ) );
 
 // Handle options for teardrops (targets and some others):
 m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "teardrop_options",
 [&]() -> nlohmann::json
 {
 nlohmann::json js = nlohmann::json::array();
 nlohmann::json entry = {};
 
 entry["td_onviapad"] = m_TeardropParamsList.m_TargetViasPads;
 entry["td_onpadsmd"] = m_TeardropParamsList.m_TargetPadsWithNoHole;
 entry["td_ontrackend"] = m_TeardropParamsList.m_TargetTrack2Track;
 entry["td_onroundshapesonly"] = m_TeardropParamsList.m_UseRoundShapesOnly;
 entry["td_allow_use_two_tracks"] = m_TeardropParamsList.m_AllowUseTwoTracks;
 entry["td_curve_segcount"] = m_TeardropParamsList.m_CurveSegCount;
 entry["td_on_pad_in_zone"] = m_TeardropParamsList.m_TdOnPadsInZones;
 
 js.push_back( entry );
 
 return js;
 },
 [&]( const nlohmann::json& aObj )
 {
 if( !aObj.is_array() )
 return;
 
 for( const nlohmann::json& entry : aObj )
 {
 if( entry.empty() || !entry.is_object() )
 continue;
 
 if( entry.contains( "td_onviapad" ) )
 m_TeardropParamsList.m_TargetViasPads = entry["td_onviapad"].get<bool>();
 
 if( entry.contains( "td_onpadsmd" ) )
 m_TeardropParamsList.m_TargetPadsWithNoHole = entry["td_onpadsmd"].get<bool>();
 
 if( entry.contains( "td_ontrackend" ) )
 m_TeardropParamsList.m_TargetTrack2Track = entry["td_ontrackend"].get<bool>();
 
 if( entry.contains( "td_onroundshapesonly" ) )
 m_TeardropParamsList.m_UseRoundShapesOnly = entry["td_onroundshapesonly"].get<bool>();
 
 if( entry.contains( "td_allow_use_two_tracks" ) )
 m_TeardropParamsList.m_AllowUseTwoTracks = entry["td_allow_use_two_tracks"].get<bool>();
 
 if( entry.contains( "td_curve_segcount" ) )
 m_TeardropParamsList.m_CurveSegCount = entry["td_curve_segcount"].get<int>();
 
 if( entry.contains( "td_on_pad_in_zone" ) )
 m_TeardropParamsList.m_TdOnPadsInZones = entry["td_on_pad_in_zone"].get<bool>();
 }
 },
 {} ) );
 
 // Handle parameters (sizes, shape) for each type of teardrop:
 m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "teardrop_parameters",
 [&]() -> nlohmann::json
 {
 nlohmann::json js = nlohmann::json::array();
 
 for( size_t ii = 0; ii < m_TeardropParamsList.GetParametersCount(); ii++ )
 {
 nlohmann::json entry = {};
 TEARDROP_PARAMETERS* td_prm = m_TeardropParamsList.GetParameters( (TARGET_TD)ii );
 
 entry["td_target_name"] = GetTeardropTargetCanonicalName( (TARGET_TD)ii );
 entry["td_maxlen"] = pcbIUScale.IUTomm( td_prm->m_TdMaxLen );
 entry["td_maxheight"] = pcbIUScale.IUTomm( td_prm->m_TdMaxHeight );
 entry["td_length_ratio"] = td_prm->m_LengthRatio;
 entry["td_height_ratio"] = td_prm->m_HeightRatio;
 entry["td_curve_segcount"] = td_prm->m_CurveSegCount;
 entry["td_width_to_size_filter_ratio"] = td_prm->m_WidthtoSizeFilterRatio;
 
 js.push_back( entry );
 }
 
 return js;
 },
 [&]( const nlohmann::json& aObj )
 {
 if( !aObj.is_array() )
 return;
 
 for( const nlohmann::json& entry : aObj )
 {
 if( entry.empty() || !entry.is_object() )
 continue;
 
 if( !entry.contains( "td_target_name" ) )
 continue;
 
 int idx = GetTeardropTargetTypeFromCanonicalName( entry["td_target_name"].get<std::string>() );
 
 if( idx >= 0 && idx < 3 )
 {
 TEARDROP_PARAMETERS* td_prm = m_TeardropParamsList.GetParameters( (TARGET_TD)idx );
 
 if( entry.contains( "td_maxlen" ) )
  td_prm->m_TdMaxLen = pcbIUScale.mmToIU( entry["td_maxlen"].get<double>() );
 
 if( entry.contains( "td_maxheight" ) )
 td_prm->m_TdMaxHeight = pcbIUScale.mmToIU( entry["td_maxheight"].get<double>() );
 
 if( entry.contains( "td_length_ratio" ) )
 td_prm->m_LengthRatio = entry["td_length_ratio"].get<double>();
 
 if( entry.contains( "td_height_ratio" ) )
 td_prm->m_HeightRatio = entry["td_height_ratio"].get<double>();
 
 if( entry.contains( "td_curve_segcount" ) )
 td_prm->m_CurveSegCount = entry["td_curve_segcount"].get<int>();
 
 if( entry.contains( "td_width_to_size_filter_ratio" ) )
 td_prm->m_WidthtoSizeFilterRatio = entry["td_width_to_size_filter_ratio"].get<double>();
 }
 }
 },
 {} ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.silk_line_width",
 &m_LineThickness[LAYER_CLASS_SILK], pcbIUScale.mmToIU( DEFAULT_SILK_LINE_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.silk_text_size_v",
 &m_TextSize[LAYER_CLASS_SILK].y, pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_SIZE ),
 TEXTS_MIN_SIZE, TEXTS_MAX_SIZE, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.silk_text_size_h",
 &m_TextSize[LAYER_CLASS_SILK].x, pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_SIZE ),
 TEXTS_MIN_SIZE, TEXTS_MAX_SIZE, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.silk_text_thickness",
 &m_TextThickness[LAYER_CLASS_SILK], pcbIUScale.mmToIU( DEFAULT_SILK_TEXT_WIDTH ), 1,
 TEXTS_MAX_WIDTH, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.silk_text_italic",
  &m_TextItalic[LAYER_CLASS_SILK], false ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.silk_text_upright",
 &m_TextUpright[ LAYER_CLASS_SILK ], true ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.copper_line_width",
 &m_LineThickness[LAYER_CLASS_COPPER], pcbIUScale.mmToIU( DEFAULT_COPPER_LINE_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.copper_text_size_v",
 &m_TextSize[LAYER_CLASS_COPPER].y, pcbIUScale.mmToIU( DEFAULT_COPPER_TEXT_SIZE ),
 TEXTS_MIN_SIZE, TEXTS_MAX_SIZE, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.copper_text_size_h",
 &m_TextSize[LAYER_CLASS_COPPER].x, pcbIUScale.mmToIU( DEFAULT_COPPER_TEXT_SIZE ),
 TEXTS_MIN_SIZE, TEXTS_MAX_SIZE, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.copper_text_thickness",
 &m_TextThickness[LAYER_CLASS_COPPER], pcbIUScale.mmToIU( DEFAULT_COPPER_TEXT_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.copper_text_italic",
 &m_TextItalic[LAYER_CLASS_COPPER], false ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.copper_text_upright",
 &m_TextUpright[LAYER_CLASS_COPPER], true ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.board_outline_line_width",
 &m_LineThickness[LAYER_CLASS_EDGES], pcbIUScale.mmToIU( DEFAULT_EDGE_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.courtyard_line_width",
 &m_LineThickness[LAYER_CLASS_COURTYARD], pcbIUScale.mmToIU( DEFAULT_COURTYARD_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.fab_line_width",
 &m_LineThickness[LAYER_CLASS_FAB], pcbIUScale.mmToIU( DEFAULT_LINE_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.fab_text_size_v",
 &m_TextSize[LAYER_CLASS_FAB].y, pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ),
 TEXTS_MIN_SIZE, TEXTS_MAX_SIZE, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.fab_text_size_h",
 &m_TextSize[LAYER_CLASS_FAB].x, pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ),
 TEXTS_MIN_SIZE, TEXTS_MAX_SIZE, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.fab_text_thickness",
 &m_TextThickness[LAYER_CLASS_FAB], pcbIUScale.mmToIU( DEFAULT_TEXT_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.fab_text_italic",
 &m_TextItalic[LAYER_CLASS_FAB], false ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.fab_text_upright",
 &m_TextUpright[LAYER_CLASS_FAB], true ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.other_line_width",
 &m_LineThickness[LAYER_CLASS_OTHERS], pcbIUScale.mmToIU( DEFAULT_LINE_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.other_text_size_v",
 &m_TextSize[LAYER_CLASS_OTHERS].y, pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ), TEXTS_MIN_SIZE,
 TEXTS_MAX_SIZE, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.other_text_size_h",
 &m_TextSize[LAYER_CLASS_OTHERS].x, pcbIUScale.mmToIU( DEFAULT_TEXT_SIZE ), TEXTS_MIN_SIZE,
 TEXTS_MAX_SIZE, pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.other_text_thickness",
 &m_TextThickness[LAYER_CLASS_OTHERS], pcbIUScale.mmToIU( DEFAULT_TEXT_WIDTH ),
 pcbIUScale.mmToIU( 0.01 ), pcbIUScale.mmToIU( 5.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.other_text_italic",
 &m_TextItalic[LAYER_CLASS_OTHERS], false ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.other_text_upright",
 &m_TextUpright[LAYER_CLASS_OTHERS], true ) );
 
 m_params.emplace_back( new PARAM_ENUM<DIM_UNITS_MODE>( "defaults.dimension_units",
 &m_DimensionUnitsMode, DIM_UNITS_MODE::AUTOMATIC, DIM_UNITS_MODE::INCHES,
 DIM_UNITS_MODE::AUTOMATIC ) );
 
 m_params.emplace_back( new PARAM<int>( "defaults.dimension_precision",
 &m_DimensionPrecision, 4, 0, 5 ) );
 
 m_params.emplace_back( new PARAM_ENUM<DIM_UNITS_FORMAT>( "defaults.dimensions.units_format",
 &m_DimensionUnitsFormat, DIM_UNITS_FORMAT::BARE_SUFFIX, DIM_UNITS_FORMAT::NO_SUFFIX,
 DIM_UNITS_FORMAT::PAREN_SUFFIX ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.dimensions.suppress_zeroes",
 &m_DimensionSuppressZeroes, false ) );
 
 // NOTE: excluding DIM_TEXT_POSITION::MANUAL from the valid range here
 m_params.emplace_back( new PARAM_ENUM<DIM_TEXT_POSITION>( "defaults.dimensions.text_position",
 &m_DimensionTextPosition, DIM_TEXT_POSITION::OUTSIDE, DIM_TEXT_POSITION::OUTSIDE,
 DIM_TEXT_POSITION::INLINE ) );
 
 m_params.emplace_back( new PARAM<bool>( "defaults.dimensions.keep_text_aligned",
 &m_DimensionKeepTextAligned, true ) );
 
 m_params.emplace_back( new PARAM<int>( "defaults.dimensions.arrow_length",
 &m_DimensionArrowLength,
 pcbIUScale.MilsToIU( DEFAULT_DIMENSION_ARROW_LENGTH ) ) );
 
 m_params.emplace_back( new PARAM<int>( "defaults.dimensions.extension_offset",
 &m_DimensionExtensionOffset,
 pcbIUScale.mmToIU( DEFAULT_DIMENSION_EXTENSION_OFFSET ) ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "defaults.zones.min_clearance",
 &m_defaultZoneSettings.m_ZoneClearance, pcbIUScale.MilsToIU( ZONE_CLEARANCE_MIL ),
 pcbIUScale.mmToIU( 0.0 ), pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_LAMBDA<nlohmann::json>( "defaults.pads",
 [&]() -> nlohmann::json
 {
 nlohmann::json ret =
 {
 { "width", pcbIUScale.IUTomm( m_Pad_Master->GetSize().x ) },
 { "height", pcbIUScale.IUTomm( m_Pad_Master->GetSize().y ) },
 { "drill", pcbIUScale.IUTomm( m_Pad_Master->GetDrillSize().x ) }
 };
 
 return ret;
 },
 [&]( const nlohmann::json& aJson )
 {
 if( aJson.contains( "width" ) && aJson.contains( "height" )
 && aJson.contains( "drill" ) )
 {
 wxSize sz;
 sz.SetWidth( pcbIUScale.mmToIU( aJson["width"].get<double>() ) );
 sz.SetHeight( pcbIUScale.mmToIU( aJson["height"].get<double>() ) );
 
 m_Pad_Master->SetSize( sz );
 
 int drill = pcbIUScale.mmToIU( aJson["drill"].get<double>() );
 
 m_Pad_Master->SetDrillSize( wxSize( drill, drill ) );
 }
 }, {} ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.max_error",
 &m_MaxError, ARC_HIGH_DEF, pcbIUScale.mmToIU( 0.0001 ), pcbIUScale.mmToIU( 1.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM_SCALED<int>( "rules.solder_mask_to_copper_clearance",
 &m_SolderMaskToCopperClearance, pcbIUScale.mmToIU( DEFAULT_SOLDERMASK_TO_COPPER_CLEARANCE ),
 pcbIUScale.mmToIU( 0.0 ), pcbIUScale.mmToIU( 25.0 ), pcbIUScale.MM_PER_IU ) );
 
 m_params.emplace_back( new PARAM<bool>( "zones_allow_external_fillets",
 &m_ZoneKeepExternalFillets, false ) );
 
 registerMigration( 0, 1, std::bind( &BOARD_DESIGN_SETTINGS::migrateSchema0to1, this ) );
 
 registerMigration( 1, 2,
 [&]() -> bool
 {
 // Schema 1 to 2: move mask and paste margin settings back to board.
 // The parameters are removed, so we just have to manually load them here and
 // they will get saved with the board
 if( std::optional<double> optval = Get<double>( "rules.solder_mask_clearance" ) )
 m_SolderMaskExpansion = static_cast<int>( *optval * pcbIUScale.IU_PER_MM );
 
 if( std::optional<double> optval = Get<double>( "rules.solder_mask_min_width" ) )
 m_SolderMaskMinWidth = static_cast<int>( *optval * pcbIUScale.IU_PER_MM );
 
 if( std::optional<double> optval = Get<double>( "rules.solder_paste_clearance" ) )
 m_SolderPasteMargin = static_cast<int>( *optval * pcbIUScale.IU_PER_MM );
 
 if( std::optional<double> optval = Get<double>( "rules.solder_paste_margin_ratio" ) )
 m_SolderPasteMarginRatio = *optval;
 
 try
 {
 At( "rules" ).erase( "solder_mask_clearance" );
 At( "rules" ).erase( "solder_mask_min_width" );
 At( "rules" ).erase( "solder_paste_clearance" );
 At( "rules" ).erase( "solder_paste_margin_ratio" );
 }
 catch( ... )
 {}
 
 return true;
 } );
}
 
 
BOARD_DESIGN_SETTINGS::~BOARD_DESIGN_SETTINGS()
{
 if( m_parent )
 {
 m_parent->ReleaseNestedSettings( this );
 m_parent = nullptr;
 }
}
 
 
BOARD_DESIGN_SETTINGS::BOARD_DESIGN_SETTINGS( const BOARD_DESIGN_SETTINGS& aOther ) :
 NESTED_SETTINGS( "board_design_settings", bdsSchemaVersion, aOther.m_parent,
 aOther.m_path ),
 m_Pad_Master( nullptr )
{
 initFromOther( aOther );
}
 
 
BOARD_DESIGN_SETTINGS& BOARD_DESIGN_SETTINGS::operator=( const BOARD_DESIGN_SETTINGS& aOther )
{
 initFromOther( aOther );
 return *this;
}
 
 
void BOARD_DESIGN_SETTINGS::initFromOther( const BOARD_DESIGN_SETTINGS& aOther )
{
 // Copy of NESTED_SETTINGS around is not allowed, so let's just update the params.
 m_TrackWidthList = aOther.m_TrackWidthList;
 m_ViasDimensionsList = aOther.m_ViasDimensionsList;
 m_DiffPairDimensionsList = aOther.m_DiffPairDimensionsList;
 m_CurrentViaType = aOther.m_CurrentViaType;
 m_UseConnectedTrackWidth = aOther.m_UseConnectedTrackWidth;
 m_MinClearance = aOther.m_MinClearance;
 m_MinConn = aOther.m_MinConn;
 m_TrackMinWidth = aOther.m_TrackMinWidth;
 m_ViasMinAnnularWidth = aOther.m_ViasMinAnnularWidth;
 m_ViasMinSize = aOther.m_ViasMinSize;
 m_MinThroughDrill = aOther.m_MinThroughDrill;
 m_MicroViasMinSize = aOther.m_MicroViasMinSize;
 m_MicroViasMinDrill = aOther.m_MicroViasMinDrill;
 m_CopperEdgeClearance = aOther.m_CopperEdgeClearance;
 m_HoleClearance = aOther.m_HoleClearance;
 m_HoleToHoleMin = aOther.m_HoleToHoleMin;
 m_SilkClearance = aOther.m_SilkClearance;
 m_MinSilkTextHeight = aOther.m_MinSilkTextHeight;
 m_MinSilkTextThickness = aOther.m_MinSilkTextThickness;
 m_DRCSeverities = aOther.m_DRCSeverities;
 m_DrcExclusions = aOther.m_DrcExclusions;
 m_ZoneKeepExternalFillets = aOther.m_ZoneKeepExternalFillets;
 m_MaxError = aOther.m_MaxError;
 m_SolderMaskExpansion = aOther.m_SolderMaskExpansion;
 m_SolderMaskMinWidth = aOther.m_SolderMaskMinWidth;
 m_SolderMaskToCopperClearance = aOther.m_SolderMaskToCopperClearance;
 m_SolderPasteMargin = aOther.m_SolderPasteMargin;
 m_SolderPasteMarginRatio = aOther.m_SolderPasteMarginRatio;
 m_DefaultFPTextItems = aOther.m_DefaultFPTextItems;
 
 std::copy( std::begin( aOther.m_LineThickness ), std::end( aOther.m_LineThickness ),
 std::begin( m_LineThickness ) );
 
 std::copy( std::begin( aOther.m_TextSize ), std::end( aOther.m_TextSize ),
 std::begin( m_TextSize ) );
 
 std::copy( std::begin( aOther.m_TextThickness ), std::end( aOther.m_TextThickness ),
 std::begin( m_TextThickness ) );
 
 std::copy( std::begin( aOther.m_TextItalic ), std::end( aOther.m_TextItalic ),
 std::begin( m_TextItalic ) );
 
 std::copy( std::begin( aOther.m_TextUpright ), std::end( aOther.m_TextUpright ),
 std::begin( m_TextUpright ) );
 
 m_DimensionUnitsMode = aOther.m_DimensionUnitsMode;
 m_DimensionPrecision = aOther.m_DimensionPrecision;
 m_DimensionUnitsFormat = aOther.m_DimensionUnitsFormat;
 m_DimensionSuppressZeroes = aOther.m_DimensionSuppressZeroes;
 m_DimensionTextPosition = aOther.m_DimensionTextPosition;
 m_DimensionKeepTextAligned = aOther.m_DimensionKeepTextAligned;
 m_DimensionArrowLength = aOther.m_DimensionArrowLength;
 m_DimensionExtensionOffset = aOther.m_DimensionExtensionOffset;
 
 m_auxOrigin = aOther.m_auxOrigin;
 m_gridOrigin = aOther.m_gridOrigin;
 m_HasStackup = aOther.m_HasStackup;
 m_UseHeightForLengthCalcs= aOther.m_UseHeightForLengthCalcs;
 
 m_trackWidthIndex = aOther.m_trackWidthIndex;
 m_viaSizeIndex = aOther.m_viaSizeIndex;
 m_diffPairIndex = aOther.m_diffPairIndex;
 m_useCustomTrackVia = aOther.m_useCustomTrackVia;
 m_customTrackWidth = aOther.m_customTrackWidth;
 m_customViaSize = aOther.m_customViaSize;
 m_useCustomDiffPair = aOther.m_useCustomDiffPair;
 m_customDiffPair = aOther.m_customDiffPair;
 m_copperLayerCount = aOther.m_copperLayerCount;
 m_enabledLayers = aOther.m_enabledLayers;
 m_boardThickness = aOther.m_boardThickness;
 m_currentNetClassName = aOther.m_currentNetClassName;
 m_stackup = aOther.m_stackup;
 m_NetSettings = aOther.m_NetSettings;
 m_Pad_Master = std::make_unique<PAD>( *aOther.m_Pad_Master );
 m_defaultZoneSettings = aOther.m_defaultZoneSettings;
}
 
 
bool BOARD_DESIGN_SETTINGS::migrateSchema0to1()
{
 std::string units_ptr( "defaults.dimension_units" );
 std::string precision_ptr( "defaults.dimension_precision" );
 
 if( !( Contains( units_ptr ) && Contains( precision_ptr ) &&
 At( units_ptr ).is_number_integer() &&
 At( precision_ptr ).is_number_integer() ) )
 {
 // if either is missing or invalid, migration doesn't make sense
 return true;
 }
 
 int units = *Get<int>( units_ptr );
 int precision = *Get<int>( precision_ptr );
 
 // The enum maps directly to precision if the units is mils
 int extraDigits = 0;
 
 switch( units )
 {
 case 0: extraDigits = 3; break;
 case 2: extraDigits = 2; break;
 default: break;
 }
 
 precision += extraDigits;
 
 Set( precision_ptr, precision );
 
 return true;
}
 
 
bool BOARD_DESIGN_SETTINGS::LoadFromFile( const wxString& aDirectory )
{
 bool ret = NESTED_SETTINGS::LoadFromFile( aDirectory );
 
 // A number of things won't have been translated by the PROJECT_FILE migration because of
 // descoped objects required to decode this data. So, it will be in the legacy.pcbnew
 // section and needs to be pulled out here
 
 PROJECT_FILE* project = dynamic_cast<PROJECT_FILE*>( GetParent() );
 
 if( !project )
 return ret;
 
 bool migrated = false;
 
 auto drcName =
 []( int aCode ) -> std::string
 {
 std::shared_ptr<DRC_ITEM> item = DRC_ITEM::Create( aCode );
 wxString name = item->GetSettingsKey();
 return std::string( name.ToUTF8() );
 };
 
 const std::string rs = "rule_severities.";
 const std::string no_courtyard_key = "legacy_no_courtyard_defined";
 const std::string courtyard_overlap_key = "legacy_courtyards_overlap";
 
 try
 {
 nlohmann::json& severities =
 project->Internals()->at( "/board/design_settings/rule_severities"_json_pointer );
 
 if( severities.contains( no_courtyard_key ) )
 {
 if( severities[no_courtyard_key].get<bool>() )
 Set( rs + drcName( DRCE_MISSING_COURTYARD ), "error" );
 else
 Set( rs + drcName( DRCE_MISSING_COURTYARD ), "ignore" );
 
 severities.erase( no_courtyard_key );
 migrated = true;
 }
 
 if( severities.contains( courtyard_overlap_key ) )
 {
 if( severities[courtyard_overlap_key].get<bool>() )
 Set( rs + drcName( DRCE_OVERLAPPING_FOOTPRINTS ), "error" );
 else
 Set( rs + drcName( DRCE_OVERLAPPING_FOOTPRINTS ), "ignore" );
 
 severities.erase( courtyard_overlap_key );
 migrated = true;
 }
 }
 catch( ... )
 {
 }
 if( Contains( "legacy" ) )
 {
 // This defaults to false for new boards, but version 5.1.x and prior kept the fillets
 // so we do the same for legacy boards.
 m_ZoneKeepExternalFillets = true;
 
 project->At( "legacy" ).erase( "pcbnew" );
 }
 
 // Now that we have everything, we need to load again
 if( migrated )
 Load();
 
 return ret;
}
 
 
SEVERITY BOARD_DESIGN_SETTINGS::GetSeverity( int aDRCErrorCode )
{
 return m_DRCSeverities[ aDRCErrorCode ];
}
 
 
bool BOARD_DESIGN_SETTINGS::Ignore( int aDRCErrorCode )
{
 return m_DRCSeverities[ aDRCErrorCode ] == RPT_SEVERITY_IGNORE;
}
 
 
int BOARD_DESIGN_SETTINGS::GetBiggestClearanceValue() const
{
 int biggest = 0;
 DRC_CONSTRAINT constraint;
 
 if( m_DRCEngine )
 {
 m_DRCEngine->QueryWorstConstraint( CLEARANCE_CONSTRAINT, constraint );
 biggest = std::max( biggest, constraint.Value().Min() );
 
 m_DRCEngine->QueryWorstConstraint( HOLE_CLEARANCE_CONSTRAINT, constraint );
 biggest = std::max( biggest, constraint.Value().Min() );
 
 m_DRCEngine->QueryWorstConstraint( EDGE_CLEARANCE_CONSTRAINT, constraint );
 biggest = std::max( biggest, constraint.Value().Min() );
 
 m_DRCEngine->QueryWorstConstraint( HOLE_TO_HOLE_CONSTRAINT, constraint );
 biggest = std::max( biggest, constraint.Value().Min() );
 }
 
 return biggest;
}
 
 
int BOARD_DESIGN_SETTINGS::GetSmallestClearanceValue() const
{
 int clearance = m_NetSettings->m_DefaultNetClass->GetClearance();
 
 for( const auto& [ name, netclass ] : m_NetSettings->m_NetClasses )
 clearance = std::min( clearance, netclass->GetClearance() );
 
 return clearance;
}
 
 
void BOARD_DESIGN_SETTINGS::SetViaSizeIndex( unsigned aIndex )
{
 m_viaSizeIndex = std::min( aIndex, (unsigned) m_ViasDimensionsList.size() );
 m_useCustomTrackVia = false;
}
 
 
int BOARD_DESIGN_SETTINGS::GetCurrentViaSize() const
{
 if( m_useCustomTrackVia )
 return m_customViaSize.m_Diameter;
 else if( m_viaSizeIndex == 0 )
 return m_NetSettings->m_DefaultNetClass->GetViaDiameter();
 else
 return m_ViasDimensionsList[ m_viaSizeIndex ].m_Diameter;
}
 
 
int BOARD_DESIGN_SETTINGS::GetCurrentViaDrill() const
{
 int drill;
 
 if( m_useCustomTrackVia )
 drill = m_customViaSize.m_Drill;
 else if( m_viaSizeIndex == 0 )
 drill = m_NetSettings->m_DefaultNetClass->GetViaDrill();
 else
 drill = m_ViasDimensionsList[ m_viaSizeIndex ].m_Drill;
 
 return drill > 0 ? drill : -1;
}
 
 
void BOARD_DESIGN_SETTINGS::SetTrackWidthIndex( unsigned aIndex )
{
 m_trackWidthIndex = std::min( aIndex, (unsigned) m_TrackWidthList.size() );
 m_useCustomTrackVia = false;
}
 
 
int BOARD_DESIGN_SETTINGS::GetCurrentTrackWidth() const
{
 if( m_useCustomTrackVia )
 return m_customTrackWidth;
 else if( m_trackWidthIndex == 0 )
 return m_NetSettings->m_DefaultNetClass->GetTrackWidth();
 else
 return m_TrackWidthList[ m_trackWidthIndex ];
}
 
 
void BOARD_DESIGN_SETTINGS::SetDiffPairIndex( unsigned aIndex )
{
 if( !m_DiffPairDimensionsList.empty() )
 {
 m_diffPairIndex = std::min( aIndex,
 static_cast<unsigned>( m_DiffPairDimensionsList.size() ) - 1 );
 }
 
 m_useCustomDiffPair = false;
}
 
 
int BOARD_DESIGN_SETTINGS::GetCurrentDiffPairWidth() const
{
 if( m_useCustomDiffPair )
 {
 return m_customDiffPair.m_Width;
 }
 else if( m_diffPairIndex == 0 )
 {
 if( m_NetSettings->m_DefaultNetClass->HasDiffPairWidth() )
 return m_NetSettings->m_DefaultNetClass->GetDiffPairWidth();
 else
 return m_NetSettings->m_DefaultNetClass->GetTrackWidth();
 }
 else
 {
 return m_DiffPairDimensionsList[m_diffPairIndex].m_Width;
 }
}
 
 
int BOARD_DESIGN_SETTINGS::GetCurrentDiffPairGap() const
{
 if( m_useCustomDiffPair )
 {
 return m_customDiffPair.m_Gap;
 }
 else if( m_diffPairIndex == 0 )
 {
 if( m_NetSettings->m_DefaultNetClass->HasDiffPairGap() )
 return m_NetSettings->m_DefaultNetClass->GetDiffPairGap();
 else
 return m_NetSettings->m_DefaultNetClass->GetClearance();
 }
 else
 {
 return m_DiffPairDimensionsList[m_diffPairIndex].m_Gap;
 }
}
 
 
int BOARD_DESIGN_SETTINGS::GetCurrentDiffPairViaGap() const
{
 if( m_useCustomDiffPair )
 {
 return m_customDiffPair.m_ViaGap;
 }
 else if( m_diffPairIndex == 0 )
 {
 if( m_NetSettings->m_DefaultNetClass->HasDiffPairViaGap() )
 return m_NetSettings->m_DefaultNetClass->GetDiffPairViaGap();
 else
 return GetCurrentDiffPairGap();
 }
 else
 {
 return m_DiffPairDimensionsList[m_diffPairIndex].m_ViaGap;
 }
}
 
 
void BOARD_DESIGN_SETTINGS::SetCopperLayerCount( int aNewLayerCount )
{
 m_copperLayerCount = aNewLayerCount;
 
 // Update only enabled copper layers mask
 m_enabledLayers &= ~LSET::AllCuMask();
 
 if( aNewLayerCount > 0 )
 m_enabledLayers |= LSET::AllCuMask( aNewLayerCount );
}
 
 
void BOARD_DESIGN_SETTINGS::SetEnabledLayers( LSET aMask )
{
 // Back and front layers are always enabled.
 aMask.set( B_Cu ).set( F_Cu );
 
 m_enabledLayers = aMask;
 
 // update m_CopperLayerCount to ensure its consistency with m_EnabledLayers
 m_copperLayerCount = ( aMask & LSET::AllCuMask() ).count();
}
 
 
// Return the layer class index { silk, copper, edges & courtyards, fab, others } of the
// given layer.
int BOARD_DESIGN_SETTINGS::GetLayerClass( PCB_LAYER_ID aLayer ) const
{
 if( aLayer == F_SilkS || aLayer == B_SilkS )
 return LAYER_CLASS_SILK;
 else if( IsCopperLayer( aLayer ) )
 return LAYER_CLASS_COPPER;
 else if( aLayer == Edge_Cuts )
 return LAYER_CLASS_EDGES;
 else if( aLayer == F_CrtYd || aLayer == B_CrtYd )
 return LAYER_CLASS_COURTYARD;
 else if( aLayer == F_Fab || aLayer == B_Fab )
 return LAYER_CLASS_FAB;
 else
 return LAYER_CLASS_OTHERS;
}
 
 
int BOARD_DESIGN_SETTINGS::GetDRCEpsilon() const
{
 return pcbIUScale.mmToIU( ADVANCED_CFG::GetCfg().m_DRCEpsilon );
}
 
 
int BOARD_DESIGN_SETTINGS::GetHolePlatingThickness() const
{
 return pcbIUScale.mmToIU( ADVANCED_CFG::GetCfg().m_HoleWallThickness );
}
 
 
int BOARD_DESIGN_SETTINGS::GetLineThickness( PCB_LAYER_ID aLayer ) const
{
 return m_LineThickness[ GetLayerClass( aLayer ) ];
}
 
 
wxSize BOARD_DESIGN_SETTINGS::GetTextSize( PCB_LAYER_ID aLayer ) const
{
 return m_TextSize[ GetLayerClass( aLayer ) ];
}
 
 
int BOARD_DESIGN_SETTINGS::GetTextThickness( PCB_LAYER_ID aLayer ) const
{
 return m_TextThickness[ GetLayerClass( aLayer ) ];
}
 
 
bool BOARD_DESIGN_SETTINGS::GetTextItalic( PCB_LAYER_ID aLayer ) const
{
 return m_TextItalic[ GetLayerClass( aLayer ) ];
}
 
 
bool BOARD_DESIGN_SETTINGS::GetTextUpright( PCB_LAYER_ID aLayer ) const
{
 return m_TextUpright[ GetLayerClass( aLayer ) ];
}