kicad/utils/kicad2step/pcb/kicadpcb.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
*
* 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 <wx/utils.h>
#include <wx/filename.h>
#include <wx/log.h>
#include <wx/stdpaths.h>
#include <iostream>
#include <sstream>
#include <string>
#include <memory>
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#include "kicadpcb.h"
#include "sexpr/sexpr.h"
#include "sexpr/sexpr_parser.h"
#include "kicadmodule.h"
#include "kicadcurve.h"
#include "oce_utils.h"
/*
* GetKicadConfigPath() is taken from KiCad's common.cpp source:
* Copyright (C) 2014-2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2008-2015 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2015 KiCad Developers
*/
static wxString GetKicadConfigPath()
{
wxFileName cfgpath;
// From the wxWidgets wxStandardPaths::GetUserConfigDir() help:
// Unix: ~ (the home directory)
// Windows: "C:\Documents and Settings\username\Application Data"
// Mac: ~/Library/Preferences
cfgpath.AssignDir( wxStandardPaths::Get().GetUserConfigDir() );
#if !defined( __WINDOWS__ ) && !defined( __WXMAC__ )
wxString envstr;
if( !wxGetEnv( "XDG_CONFIG_HOME", &envstr ) || envstr.IsEmpty() )
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{
// XDG_CONFIG_HOME is not set, so use the fallback
cfgpath.AppendDir( ".config" );
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}
else
{
// Override the assignment above with XDG_CONFIG_HOME
cfgpath.AssignDir( envstr );
}
#endif
cfgpath.AppendDir( "kicad" );
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if( !cfgpath.DirExists() )
{
cfgpath.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL );
}
return cfgpath.GetPath();
}
KICADPCB::KICADPCB()
{
wxFileName cfgdir( GetKicadConfigPath(), "" );
cfgdir.AppendDir( "3d" );
m_resolver.Set3DConfigDir( cfgdir.GetPath() );
m_thickness = 1.6;
m_pcb = NULL;
m_minDistance = MIN_DISTANCE;
m_useGridOrigin = false;
m_useDrillOrigin = false;
m_hasGridOrigin = false;
m_hasDrillOrigin = false;
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}
KICADPCB::~KICADPCB()
{
for( auto i : m_modules )
delete i;
for( auto i : m_curves )
delete i;
if( m_pcb )
delete m_pcb;
return;
}
bool KICADPCB::ReadFile( const wxString& aFileName )
{
wxFileName fname( aFileName );
if( fname.GetExt() != "kicad_pcb" )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * expecting extension 'kicad_pcb', got '";
ostr << fname.GetExt().ToUTF8() << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
if( !fname.FileExists() )
{
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * no such file: '" << aFileName.ToUTF8() << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
fname.Normalize();
m_filename = fname.GetFullPath().ToUTF8();
m_resolver.SetProjectDir( fname.GetPath() );
try
{
SEXPR::PARSER parser;
std::string infile( fname.GetFullPath().ToUTF8() );
std::unique_ptr<SEXPR::SEXPR> data( parser.ParseFromFile( infile ) );
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if( !data )
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{
std::ostringstream ostr;
ostr << "* no data in file: '" << aFileName.ToUTF8() << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
if( !parsePCB( data.get() ) )
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return false;
}
catch( std::exception& e )
{
std::ostringstream ostr;
ostr << "* error reading file: '" << aFileName.ToUTF8() << "'\n";
ostr << " * " << e.what() << "\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
catch( ... )
{
std::ostringstream ostr;
ostr << "* unexpected exception while reading file: '" << aFileName.ToUTF8() << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
return true;
}
bool KICADPCB::WriteSTEP( const wxString& aFileName, bool aOverwrite )
{
if( m_pcb )
{
std::string filename( aFileName.ToUTF8() );
return m_pcb->WriteSTEP( filename, aOverwrite );
}
return false;
}
#ifdef SUPPORTS_IGES
bool KICADPCB::WriteIGES( const wxString& aFileName, bool aOverwrite )
{
if( m_pcb )
{
std::string filename( aFileName.ToUTF8() );
return m_pcb->WriteIGES( filename, aOverwrite );
}
return false;
}
#endif
bool KICADPCB::parsePCB( SEXPR::SEXPR* data )
{
if( NULL == data )
return false;
if( data->IsList() )
{
size_t nc = data->GetNumberOfChildren();
SEXPR::SEXPR* child = data->GetChild( 0 );
std::string name = child->GetSymbol();
if( name != "kicad_pcb" )
{
std::ostringstream ostr;
ostr << "* data is not a valid PCB file: '" << m_filename << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
bool result = true;
for( size_t i = 1; i < nc && result; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
std::ostringstream ostr;
ostr << "* corrupt PCB file (line " << child->GetLineNumber();
ostr << "): '" << m_filename << "'\n";
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wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
std::string symname( child->GetChild( 0 )->GetSymbol() );
if( symname == "general" )
result = result && parseGeneral( child );
else if( symname == "setup" )
result = result && parseSetup( child );
else if( symname == "layers" )
result = result && parseLayers( child );
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else if( symname == "module" )
result = result && parseModule( child );
else if( symname == "gr_arc" )
result = result && parseCurve( child, CURVE_ARC );
else if( symname == "gr_line" )
result = result && parseCurve( child, CURVE_LINE );
else if( symname == "gr_circle" )
result = result && parseCurve( child, CURVE_CIRCLE );
}
return result;
}
std::ostringstream ostr;
ostr << "* data is not a valid PCB file: '" << m_filename << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
bool KICADPCB::parseGeneral( SEXPR::SEXPR* data )
{
size_t nc = data->GetNumberOfChildren();
SEXPR::SEXPR* child = NULL;
for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
std::ostringstream ostr;
ostr << "* corrupt PCB file (line " << child->GetLineNumber();
ostr << "): '" << m_filename << "'\n";
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wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
// at the moment only the thickness is of interest in
// the general section
if( child->GetChild( 0 )->GetSymbol() != "thickness" )
continue;
m_thickness = child->GetChild( 1 )->GetDouble();
return true;
}
std::ostringstream ostr;
ostr << "* corrupt PCB file (line " << child->GetLineNumber();
ostr << "): '" << m_filename << "'\n";
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ostr << "* no PCB thickness specified in general section\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
bool KICADPCB::parseLayers( SEXPR::SEXPR* data )
{
size_t nc = data->GetNumberOfChildren();
SEXPR::SEXPR* child = NULL;
// Read the layername and the correstponding layer id list:
for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
std::ostringstream ostr;
ostr << "* corrupt PCB file (line " << child->GetLineNumber();
ostr << "): '" << m_filename << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
m_layersNames[child->GetChild( 1 )->GetSymbol()] =
child->GetChild( 0 )->GetInteger();
}
return true;
}
int KICADPCB::GetLayerId( std::string& aLayerName )
{
int lid = -1;
auto item = m_layersNames.find( aLayerName );
if( item != m_layersNames.end() )
lid = item->second;
return lid;
}
bool KICADPCB::parseSetup( SEXPR::SEXPR* data )
{
size_t nc = data->GetNumberOfChildren();
SEXPR::SEXPR* child = NULL;
for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
std::ostringstream ostr;
ostr << "* corrupt PCB file (line " << child->GetLineNumber();
ostr << "): '" << m_filename << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
// at the moment only the Grid and Drill origins are of interest in
// the setup section
if( child->GetChild( 0 )->GetSymbol() == "grid_origin" )
{
if( child->GetNumberOfChildren() != 3 )
{
std::ostringstream ostr;
ostr << "* corrupt PCB file (line " << child->GetLineNumber();
ostr << "): '" << m_filename << "'\n";
ostr << "* grid_origin has " << child->GetNumberOfChildren();
ostr << " children (expected: 3)\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
m_gridOrigin.x = child->GetChild( 1 )->GetDouble();
m_gridOrigin.y = child->GetChild( 2 )->GetDouble();
m_hasGridOrigin = true;
}
else if( child->GetChild( 0 )->GetSymbol() == "aux_axis_origin" )
{
if( child->GetNumberOfChildren() != 3 )
{
std::ostringstream ostr;
ostr << "* corrupt PCB file (line " << child->GetLineNumber();
ostr << "): '" << m_filename << "'\n";
ostr << "* aux_axis_origin has " << child->GetNumberOfChildren();
ostr << " children (expected: 3)\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
m_drillOrigin.x = child->GetChild( 1 )->GetDouble();
m_drillOrigin.y = child->GetChild( 2 )->GetDouble();
m_hasDrillOrigin = true;
}
}
return true;
}
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bool KICADPCB::parseModule( SEXPR::SEXPR* data )
{
KICADMODULE* mp = new KICADMODULE( this );
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if( !mp->Read( data ) )
{
delete mp;
return false;
}
m_modules.push_back( mp );
return true;
}
bool KICADPCB::parseCurve( SEXPR::SEXPR* data, CURVE_TYPE aCurveType )
{
KICADCURVE* mp = new KICADCURVE();
if( !mp->Read( data, aCurveType ) )
{
delete mp;
return false;
}
// reject any curves not on the Edge.Cuts layer
if( mp->GetLayer() != LAYER_EDGE )
{
delete mp;
return true;
}
m_curves.push_back( mp );
return true;
}
bool KICADPCB::ComposePCB( bool aComposeVirtual )
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{
if( m_pcb )
return true;
if( m_modules.empty() && m_curves.empty() )
{
std::ostringstream ostr;
ostr << "** " << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
ostr << "* no PCB data to render\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
DOUBLET origin;
// Determine the coordinate system reference:
// Precedence of reference point is Drill Origin > Grid Origin > User Offset
if( m_useDrillOrigin && m_hasDrillOrigin )
{
origin = m_drillOrigin;
}
else if( m_useGridOrigin && m_hasDrillOrigin )
{
origin = m_gridOrigin;
}
else
{
origin = m_origin;
}
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m_pcb = new PCBMODEL();
m_pcb->SetPCBThickness( m_thickness );
m_pcb->SetMinDistance( m_minDistance );
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for( auto i : m_curves )
{
if( CURVE_NONE == i->m_form || LAYER_EDGE != i->m_layer )
continue;
// adjust the coordinate system
KICADCURVE lcurve = *i;
lcurve.m_start.y = -( lcurve.m_start.y - origin.y );
lcurve.m_end.y = -( lcurve.m_end.y - origin.y );
lcurve.m_start.x -= origin.x;
lcurve.m_end.x -= origin.x;
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if( CURVE_ARC == lcurve.m_form )
lcurve.m_angle = -lcurve.m_angle;
m_pcb->AddOutlineSegment( &lcurve );
}
for( auto i : m_modules )
i->ComposePCB( m_pcb, &m_resolver, origin, aComposeVirtual );
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if( !m_pcb->CreatePCB() )
{
std::ostringstream ostr;
ostr << "** " << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
ostr << "* could not create PCB solid model\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
delete m_pcb;
m_pcb = NULL;
return false;
}
return true;
}