520 lines
14 KiB
C++
520 lines
14 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) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
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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 "kicadpcb.h"
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#include "kicadcurve.h"
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#include "kicadfootprint.h"
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#include "oce_utils.h"
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#include <sexpr/sexpr.h>
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#include <sexpr/sexpr_parser.h>
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#include <wx/filename.h>
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#include <wx/wxcrtvararg.h>
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#include <memory>
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#include <string>
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KICADPCB::KICADPCB( const wxString& aPcbName )
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{
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m_resolver.Set3DConfigDir( "" );
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m_thickness = 1.6;
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m_pcb_model = nullptr;
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m_minDistance = MIN_DISTANCE;
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m_useGridOrigin = false;
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m_useDrillOrigin = false;
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m_hasGridOrigin = false;
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m_hasDrillOrigin = false;
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m_pcbName = aPcbName;
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}
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KICADPCB::~KICADPCB()
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{
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for( KICADFOOTPRINT* i : m_footprints )
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delete i;
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for( KICADCURVE* i : m_curves )
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delete i;
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delete m_pcb_model;
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return;
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}
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bool KICADPCB::ReadFile( const wxString& aFileName )
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{
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wxFileName fname( aFileName );
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if( fname.GetExt() != "kicad_pcb" )
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{
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ReportMessage( wxString::Format( "expecting extension kicad_pcb, got %s\n",
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fname.GetExt() ) );
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return false;
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}
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if( !fname.FileExists() )
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{
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ReportMessage( wxString::Format( "No such file: %s\n", aFileName ) );
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return false;
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}
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fname.Normalize();
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m_filename = fname.GetFullPath();
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try
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{
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SEXPR::PARSER parser;
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std::string infile( fname.GetFullPath().ToUTF8() );
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std::unique_ptr<SEXPR::SEXPR> data( parser.ParseFromFile( infile ) );
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if( !data )
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{
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ReportMessage( wxString::Format( "No data in file: %s\n", aFileName ) );
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return false;
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}
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if( !parsePCB( data.get() ) )
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return false;
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}
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catch( std::exception& e )
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{
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ReportMessage( wxString::Format( "error reading file: %s\n%s\n", aFileName, e.what() ) );
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return false;
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}
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catch( ... )
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{
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ReportMessage( wxString::Format( "unexpected exception while reading file: %s\n",
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aFileName ) );
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return false;
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}
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return true;
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}
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bool KICADPCB::WriteSTEP( const wxString& aFileName )
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{
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if( m_pcb_model )
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{
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return m_pcb_model->WriteSTEP( aFileName );
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}
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return false;
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}
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#ifdef SUPPORTS_IGES
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bool KICADPCB::WriteIGES( const wxString& aFileName )
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{
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if( m_pcb_model )
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{
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return m_pcb_model->WriteIGES( aFileName );
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}
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return false;
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}
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#endif
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bool KICADPCB::parsePCB( SEXPR::SEXPR* data )
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{
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if( NULL == data )
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return false;
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if( data->IsList() )
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{
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size_t nc = data->GetNumberOfChildren();
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SEXPR::SEXPR* child = data->GetChild( 0 );
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std::string name = child->GetSymbol();
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bool result = true;
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for( size_t i = 1; i < nc && result; ++i )
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{
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child = data->GetChild( i );
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if( !child->IsList() )
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{
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ReportMessage( wxString::Format( "corrupt PCB file (line %d)\n",
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child->GetLineNumber() ) );
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return false;
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}
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std::string symname( child->GetChild( 0 )->GetSymbol() );
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if( symname == "general" )
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result = result && parseGeneral( child );
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else if( symname == "setup" )
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result = result && parseSetup( child );
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else if( symname == "layers" )
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result = result && parseLayers( child );
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else if( symname == "module" )
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result = result && parseModule( child );
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else if( symname == "footprint" )
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result = result && parseModule( child );
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else if( symname == "gr_arc" )
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result = result && parseCurve( child, CURVE_ARC );
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else if( symname == "gr_line" )
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result = result && parseCurve( child, CURVE_LINE );
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else if( symname == "gr_rect" )
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result = result && parseRect( child );
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else if( symname == "gr_poly" )
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result = result && parsePolygon( child );
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else if( symname == "gr_circle" )
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result = result && parseCurve( child, CURVE_CIRCLE );
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else if( symname == "gr_curve" )
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result = result && parseCurve( child, CURVE_BEZIER );
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}
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return result;
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}
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ReportMessage( wxString::Format( "data is not a valid PCB file: %s\n", m_filename ) );
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return false;
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}
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bool KICADPCB::parseGeneral( SEXPR::SEXPR* data )
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{
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size_t nc = data->GetNumberOfChildren();
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SEXPR::SEXPR* child = NULL;
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for( size_t i = 1; i < nc; ++i )
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{
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child = data->GetChild( i );
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if( !child->IsList() )
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{
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ReportMessage( wxString::Format( "corrupt PCB file (line %d)\n",
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child->GetLineNumber() ) );
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return false;
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}
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// at the moment only the thickness is of interest in the general section
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if( child->GetChild( 0 )->GetSymbol() != "thickness" )
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continue;
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m_thickness = child->GetChild( 1 )->GetDouble();
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return true;
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}
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ReportMessage( wxString::Format( "corrupt PCB file (line %d)\n"
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"no PCB thickness specified in general section\n",
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child->GetLineNumber() ) );
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return false;
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}
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bool KICADPCB::parseLayers( SEXPR::SEXPR* data )
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{
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size_t nc = data->GetNumberOfChildren();
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SEXPR::SEXPR* child = NULL;
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// Read the layername and the corresponding layer id list:
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for( size_t i = 1; i < nc; ++i )
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{
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child = data->GetChild( i );
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if( !child->IsList() )
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{
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ReportMessage( wxString::Format( "corrupt PCB file (line %d)\n",
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child->GetLineNumber() ) );
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return false;
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}
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std::string ref;
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if( child->GetChild( 1 )->IsSymbol() )
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ref = child->GetChild( 1 )->GetSymbol();
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else
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ref = child->GetChild( 1 )->GetString();
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m_layersNames[ref] = child->GetChild( 0 )->GetInteger();
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}
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return true;
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}
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int KICADPCB::GetLayerId( std::string& aLayerName )
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{
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int lid = -1;
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auto item = m_layersNames.find( aLayerName );
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if( item != m_layersNames.end() )
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lid = item->second;
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return lid;
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}
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bool KICADPCB::parseSetup( SEXPR::SEXPR* data )
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{
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size_t nc = data->GetNumberOfChildren();
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SEXPR::SEXPR* child = NULL;
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for( size_t i = 1; i < nc; ++i )
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{
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child = data->GetChild( i );
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if( !child->IsList() )
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{
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ReportMessage( wxString::Format( "corrupt PCB file (line %d)\n",
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child->GetLineNumber() ) );
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return false;
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}
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// at the moment only the Grid and Drill origins are of interest in the setup section
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if( child->GetChild( 0 )->GetSymbol() == "grid_origin" )
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{
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if( child->GetNumberOfChildren() != 3 )
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{
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ReportMessage( wxString::Format( "corrupt PCB file (line %d): grid_origin has "
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"%d children (expected: 3)\n",
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child->GetLineNumber(),
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child->GetNumberOfChildren() ) );
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return false;
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}
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m_gridOrigin.x = child->GetChild( 1 )->GetDouble();
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m_gridOrigin.y = child->GetChild( 2 )->GetDouble();
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m_hasGridOrigin = true;
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}
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else if( child->GetChild( 0 )->GetSymbol() == "aux_axis_origin" )
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{
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if( child->GetNumberOfChildren() != 3 )
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{
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ReportMessage( wxString::Format( "corrupt PCB file (line %d): aux_axis_origin has"
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" %d children (expected: 3)\n",
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child->GetLineNumber(),
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child->GetNumberOfChildren() ) );
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return false;
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}
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m_drillOrigin.x = child->GetChild( 1 )->GetDouble();
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m_drillOrigin.y = child->GetChild( 2 )->GetDouble();
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m_hasDrillOrigin = true;
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}
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}
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return true;
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}
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bool KICADPCB::parseModule( SEXPR::SEXPR* data )
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{
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KICADFOOTPRINT* footprint = new KICADFOOTPRINT( this );
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if( !footprint->Read( data ) )
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{
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delete footprint;
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return false;
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}
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m_footprints.push_back( footprint );
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return true;
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}
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bool KICADPCB::parseRect( SEXPR::SEXPR* data )
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{
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KICADCURVE* rect = new KICADCURVE();
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if( !rect->Read( data, CURVE_LINE ) )
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{
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delete rect;
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return false;
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}
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// reject any curves not on the Edge.Cuts layer
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if( rect->GetLayer() != LAYER_EDGE )
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{
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delete rect;
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return true;
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}
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KICADCURVE* top = new KICADCURVE( *rect );
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KICADCURVE* right = new KICADCURVE( *rect );
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KICADCURVE* bottom = new KICADCURVE( *rect );
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KICADCURVE* left = new KICADCURVE( *rect );
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delete rect;
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top->m_end.y = right->m_start.y;
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m_curves.push_back( top );
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right->m_start.x = bottom->m_end.x;
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m_curves.push_back( right );
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bottom->m_start.y = left->m_end.y;
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m_curves.push_back( bottom );
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left->m_end.x = top->m_start.x;
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m_curves.push_back( left );
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return true;
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}
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bool KICADPCB::parsePolygon( SEXPR::SEXPR* data )
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{
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KICADCURVE* poly = new KICADCURVE();
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if( !poly->Read( data, CURVE_POLYGON ) )
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{
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delete poly;
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return false;
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}
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// reject any curves not on the Edge.Cuts layer
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if( poly->GetLayer() != LAYER_EDGE )
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{
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delete poly;
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return true;
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}
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auto pts = poly->m_poly;
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for( std::size_t ii = 1; ii < pts.size(); ++ii )
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{
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KICADCURVE* seg = new KICADCURVE();
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seg->m_form = CURVE_LINE;
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seg->m_layer = poly->GetLayer();
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seg->m_start = pts[ii - 1];
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seg->m_end = pts[ii];
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m_curves.push_back( seg );
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}
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KICADCURVE* seg = new KICADCURVE();
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seg->m_form = CURVE_LINE;
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seg->m_layer = poly->GetLayer();
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seg->m_start = pts.back();
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seg->m_end = pts.front();
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m_curves.push_back( seg );
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return true;
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}
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bool KICADPCB::parseCurve( SEXPR::SEXPR* data, CURVE_TYPE aCurveType )
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{
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KICADCURVE* curve = new KICADCURVE();
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if( !curve->Read( data, aCurveType ) )
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{
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delete curve;
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return false;
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}
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// reject any curves not on the Edge.Cuts layer
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if( curve->GetLayer() != LAYER_EDGE )
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{
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delete curve;
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return true;
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}
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m_curves.push_back( curve );
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return true;
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}
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bool KICADPCB::ComposePCB( bool aComposeVirtual, bool aSubstituteModels )
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{
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if( m_pcb_model )
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return true;
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if( m_footprints.empty() && m_curves.empty() )
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{
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ReportMessage( "Error: no PCB data (no footprint, no outline) to render\n" );
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return false;
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}
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DOUBLET origin;
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// Determine the coordinate system reference:
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// Precedence of reference point is Drill Origin > Grid Origin > User Offset
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if( m_useDrillOrigin && m_hasDrillOrigin )
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{
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origin = m_drillOrigin;
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}
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else if( m_useGridOrigin && m_hasDrillOrigin )
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{
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origin = m_gridOrigin;
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}
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else
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{
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origin = m_origin;
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}
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m_pcb_model = new PCBMODEL( m_pcbName );
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m_pcb_model->SetPCBThickness( m_thickness );
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m_pcb_model->SetMinDistance( m_minDistance );
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for( auto i : m_curves )
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{
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if( CURVE_NONE == i->m_form || LAYER_EDGE != i->m_layer )
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continue;
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// adjust the coordinate system
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// Note: we negate the Y coordinates due to the fact in Pcbnew the Y axis
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// is from top to bottom.
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KICADCURVE lcurve = *i;
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lcurve.m_start.y = -( lcurve.m_start.y - origin.y );
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lcurve.m_end.y = -( lcurve.m_end.y - origin.y );
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lcurve.m_start.x -= origin.x;
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lcurve.m_end.x -= origin.x;
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// used in bezier curves:
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lcurve.m_bezierctrl1.y = -( lcurve.m_bezierctrl1.y - origin.y );
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lcurve.m_bezierctrl1.x -= origin.x;
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lcurve.m_bezierctrl2.y = -( lcurve.m_bezierctrl2.y - origin.y );
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lcurve.m_bezierctrl2.x -= origin.x;
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if( CURVE_ARC == lcurve.m_form )
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lcurve.m_angle = -lcurve.m_angle;
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m_pcb_model->AddOutlineSegment( &lcurve );
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}
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for( auto i : m_footprints )
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i->ComposePCB( m_pcb_model, &m_resolver, origin, aComposeVirtual, aSubstituteModels );
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ReportMessage( "Create PCB solid model\n" );
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if( !m_pcb_model->CreatePCB() )
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{
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ReportMessage( "could not create PCB solid model\n" );
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delete m_pcb_model;
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m_pcb_model = NULL;
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return false;
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}
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return true;
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}
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