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>
* Copyright (C) 2020-2022 KiCad Developers, see AUTHORS.txt for contributors.
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*
* 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 "kicadpcb.h"
#include "kicadcurve.h"
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#include "kicadfootprint.h"
#include "oce_utils.h"
#include <sexpr/sexpr.h>
#include <sexpr/sexpr_parser.h>
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#include <wx/filename.h>
#include <wx/wxcrtvararg.h>
#include <memory>
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#include <string>
KICADPCB::KICADPCB( const wxString& aPcbName )
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{
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m_resolver.Set3DConfigDir( wxT( "" ) );
m_topSolderMask = wxColour( 15, 102, 15 );
m_bottomSolderMask = wxColour( 15, 102, 15 );
m_topSilk = wxColour( 240, 240, 240 );
m_bottomSilk = wxColour( 240, 240, 240 );
m_copperFinish = wxColour( 191, 155, 58 );
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m_thickness = 1.6;
m_pcb_model = nullptr;
m_minDistance = MIN_DISTANCE;
m_useGridOrigin = false;
m_useDrillOrigin = false;
m_hasGridOrigin = false;
m_hasDrillOrigin = false;
m_pcbName = aPcbName;
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}
KICADPCB::~KICADPCB()
{
for( KICADFOOTPRINT* i : m_footprints )
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delete i;
for( KICADCURVE* i : m_curves )
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delete i;
delete m_pcb_model;
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return;
}
bool KICADPCB::ReadFile( const wxString& aFileName )
{
wxFileName fname( aFileName );
if( fname.GetExt() != "kicad_pcb" )
{
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ReportMessage( wxString::Format( wxT( "expecting extension kicad_pcb, got %s\n" ),
fname.GetExt() ) );
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return false;
}
if( !fname.FileExists() )
{
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ReportMessage( wxString::Format( wxT( "No such file: %s\n" ), aFileName ) );
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return false;
}
fname.Normalize();
m_filename = fname.GetFullPath();
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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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{
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ReportMessage( wxString::Format( wxT( "No data in file: %s\n" ), aFileName ) );
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return false;
}
if( !parsePCB( data.get() ) )
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return false;
}
catch( std::exception& e )
{
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ReportMessage( wxString::Format( wxT( "error reading file: %s\n%s\n" ),
aFileName,
e.what() ) );
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return false;
}
catch( ... )
{
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ReportMessage( wxString::Format( wxT( "unexpected exception while reading file: %s\n" ),
aFileName ) );
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return false;
}
return true;
}
bool KICADPCB::WriteSTEP( const wxString& aFileName )
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{
if( m_pcb_model )
return m_pcb_model->WriteSTEP( aFileName );
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return false;
}
#ifdef SUPPORTS_IGES
bool KICADPCB::WriteIGES( const wxString& aFileName )
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{
if( m_pcb_model )
return m_pcb_model->WriteIGES( aFileName );
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return false;
}
#endif
bool KICADPCB::parsePCB( SEXPR::SEXPR* data )
{
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if( nullptr == data )
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return false;
if( data->IsList() )
{
size_t nc = data->GetNumberOfChildren();
SEXPR::SEXPR* child = data->GetChild( 0 );
std::string name = child->GetSymbol();
bool result = true;
for( size_t i = 1; i < nc && result; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
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ReportMessage( wxString::Format( wxT( "corrupt PCB file (line %d)\n" ),
child->GetLineNumber() ) );
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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 == "footprint" )
result = result && parseModule( child );
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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_rect" )
result = result && parseRect( child );
else if( symname == "gr_poly" )
result = result && parsePolygon( child );
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else if( symname == "gr_circle" )
result = result && parseCurve( child, CURVE_CIRCLE );
else if( symname == "gr_curve" )
result = result && parseCurve( child, CURVE_BEZIER );
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}
return result;
}
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ReportMessage( wxString::Format( wxT( "data is not a valid PCB file: %s\n" ), m_filename ) );
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return false;
}
bool KICADPCB::parseGeneral( SEXPR::SEXPR* data )
{
size_t nc = data->GetNumberOfChildren();
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SEXPR::SEXPR* child = nullptr;
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for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
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ReportMessage( wxString::Format( wxT( "corrupt PCB file (line %d)\n" ),
child->GetLineNumber() ) );
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return false;
}
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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" )
continue;
m_thickness = child->GetChild( 1 )->GetDouble();
return true;
}
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ReportMessage( wxString::Format( wxT( "corrupt PCB file (line %d)\n"
"no PCB thickness specified in general section\n" ),
child->GetLineNumber() ) );
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return false;
}
bool KICADPCB::parseLayers( SEXPR::SEXPR* data )
{
size_t nc = data->GetNumberOfChildren();
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SEXPR::SEXPR* child = nullptr;
// Read the layername and the corresponding layer id list:
for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
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ReportMessage( wxString::Format( wxT( "corrupt PCB file (line %d)\n" ),
child->GetLineNumber() ) );
return false;
}
std::string ref;
if( child->GetChild( 1 )->IsSymbol() )
ref = child->GetChild( 1 )->GetSymbol();
else
ref = child->GetChild( 1 )->GetString();
m_layersNames[ref] = child->GetChild( 0 )->GetInteger();
}
return true;
}
bool KICADPCB::parseStackupLayer( SEXPR::SEXPR* data )
{
if( data->IsList() && data->GetNumberOfChildren() >= 3 )
{
size_t nc = data->GetNumberOfChildren();
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SEXPR::SEXPR* child = nullptr;
std::string ref;
std::string value;
for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( child->IsList() && child->GetChild( 0 )->GetSymbol() == "type" )
{
if( child->GetChild( 1 )->IsSymbol() )
ref = child->GetChild( 1 )->GetSymbol();
else
ref = child->GetChild( 1 )->GetString();
}
else if( child->IsList() && child->GetChild( 0 )->GetSymbol() == "color" )
{
if( child->GetChild( 1 )->IsSymbol() )
value = child->GetChild( 1 )->GetSymbol();
else
value = child->GetChild( 1 )->GetString();
}
}
if( !value.empty() )
{
wxString colorName( value );
wxColour color;
if( colorName.StartsWith( wxT( "#" ) ) )
color = wxColour( colorName.Left( 7 ) /* drop alpha component */ );
else if( colorName == wxT( "Green" ) )
color = wxColour( 20, 51, 36 );
else if( colorName == wxT( "Light Green" ) )
color = wxColour( 91, 168, 12);
else if( colorName == wxT( "Saturated Green" ) )
color = wxColour( 13, 104, 11 );
else if( colorName == wxT( "Red" ) )
color = wxColour( 181, 19, 21 );
else if( colorName == wxT( "Light Red" ) )
color = wxColour( 210, 40, 14 );
else if( colorName == wxT( "Red/Orange" ) )
color = wxColour( 239, 53, 41 );
else if( colorName == wxT( "Blue" ) )
color = wxColour( 2, 59, 162 );
else if( colorName == wxT( "Light Blue 1" ) )
color = wxColour( 54, 79, 116 );
else if( colorName == wxT( "Light Blue 2" ) )
color = wxColour( 61, 85, 130 );
else if( colorName == wxT( "Green/Blue" ) )
color = wxColour( 21, 70, 80 );
else if( colorName == wxT( "Black" ) )
color = wxColour( 11, 11, 11 );
else if( colorName == wxT( "White" ) )
color = wxColour( 245, 245, 245 );
else if( colorName == wxT( "Purple" ) )
color = wxColour( 32, 2, 53 );
else if( colorName == wxT( "Light Purple" ) )
color = wxColour( 119, 31, 91 );
else if( colorName == wxT( "Yellow" ) )
color = wxColour( 194, 195, 0 );
if( ref == "Top Silk Screen" )
m_topSilk = color;
else if( ref == "Top Solder Mask" )
m_topSolderMask = color;
else if( ref == "Bottom Silk Screen" )
m_bottomSilk = color;
else if( ref == "Bottom Solder Mask" )
m_bottomSolderMask = color;
}
}
return true;
}
bool KICADPCB::parseStackup( SEXPR::SEXPR* data )
{
size_t nc = data->GetNumberOfChildren();
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SEXPR::SEXPR* child = nullptr;
for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
ReportMessage( wxString::Format( wxT( "corrupt PCB file (line %d)\n" ),
child->GetLineNumber() ) );
return false;
}
std::string ref;
if( child->GetChild( 0 )->GetSymbol() == "layer" )
{
parseStackupLayer( child );
}
else if( child->GetChild( 0 )->GetSymbol() == "copper_finish" )
{
if( child->GetChild( 1 )->IsSymbol() )
ref = child->GetChild( 1 )->GetSymbol();
else
ref = child->GetChild( 1 )->GetString();
wxString finishName( ref );
if( finishName.EndsWith( wxT( "OSP" ) ) )
{
m_copperFinish = wxColour( 184, 115, 50 );
}
else if( finishName.EndsWith( wxT( "IG" ) )
|| finishName.EndsWith( wxT( "gold" ) ) )
{
m_copperFinish = wxColour( 178, 156, 0 );
}
else if( finishName.StartsWith( wxT( "HAL" ) )
|| finishName.StartsWith( wxT( "HASL" ) )
|| finishName.EndsWith( wxT( "tin" ) )
|| finishName.EndsWith( wxT( "nickel" ) ) )
{
m_copperFinish = wxColour( 160, 160, 160 );
}
else if( finishName.EndsWith( wxT( "silver" ) ) )
{
m_copperFinish = wxColour( 213, 213, 213 );
}
}
}
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();
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SEXPR::SEXPR* child = nullptr;
for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
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ReportMessage( wxString::Format( wxT( "corrupt PCB file (line %d)\n" ),
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child->GetLineNumber() ) );
return false;
}
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// 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 )
{
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ReportMessage( wxString::Format( wxT( "corrupt PCB file (line %d): grid_origin has "
"%d children (expected: 3)\n" ),
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child->GetLineNumber(),
child->GetNumberOfChildren() ) );
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 )
{
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ReportMessage( wxString::Format( wxT( "corrupt PCB file (line %d): aux_axis_origin "
"has %d children (expected: 3)\n" ),
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child->GetLineNumber(),
child->GetNumberOfChildren() ) );
return false;
}
m_drillOrigin.x = child->GetChild( 1 )->GetDouble();
m_drillOrigin.y = child->GetChild( 2 )->GetDouble();
m_hasDrillOrigin = true;
}
else if( child->GetChild( 0 )->GetSymbol() == "stackup" )
{
parseStackup( child );
}
}
return true;
}
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bool KICADPCB::parseModule( SEXPR::SEXPR* data )
{
KICADFOOTPRINT* footprint = new KICADFOOTPRINT( this );
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if( !footprint->Read( data ) )
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{
delete footprint;
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return false;
}
m_footprints.push_back( footprint );
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return true;
}
bool KICADPCB::parseRect( SEXPR::SEXPR* data )
{
KICADCURVE* rect = new KICADCURVE();
if( !rect->Read( data, CURVE_LINE ) )
{
delete rect;
return false;
}
// reject any curves not on the Edge.Cuts layer
if( rect->GetLayer() != LAYER_EDGE )
{
delete rect;
return true;
}
KICADCURVE* top = new KICADCURVE( *rect );
KICADCURVE* right = new KICADCURVE( *rect );
KICADCURVE* bottom = new KICADCURVE( *rect );
KICADCURVE* left = new KICADCURVE( *rect );
delete rect;
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top->m_end.y = right->m_start.y;
m_curves.push_back( top );
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right->m_start.x = bottom->m_end.x;
m_curves.push_back( right );
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bottom->m_start.y = left->m_end.y;
m_curves.push_back( bottom );
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left->m_end.x = top->m_start.x;
m_curves.push_back( left );
return true;
}
bool KICADPCB::parsePolygon( SEXPR::SEXPR* data )
{
std::unique_ptr<KICADCURVE> poly = std::make_unique<KICADCURVE>();
if( !poly->Read( data, CURVE_POLYGON ) )
return false;
// reject any curves not on the Edge.Cuts layer
if( poly->GetLayer() != LAYER_EDGE )
return true;
auto pts = poly->m_poly;
for( std::size_t ii = 1; ii < pts.size(); ++ii )
{
KICADCURVE* seg = new KICADCURVE();
seg->m_form = CURVE_LINE;
seg->m_layer = poly->GetLayer();
seg->m_start = pts[ii - 1];
seg->m_end = pts[ii];
m_curves.push_back( seg );
}
KICADCURVE* seg = new KICADCURVE();
seg->m_form = CURVE_LINE;
seg->m_layer = poly->GetLayer();
seg->m_start = pts.back();
seg->m_end = pts.front();
m_curves.push_back( seg );
return true;
}
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bool KICADPCB::parseCurve( SEXPR::SEXPR* data, CURVE_TYPE aCurveType )
{
KICADCURVE* curve = new KICADCURVE();
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if( !curve->Read( data, aCurveType ) )
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{
delete curve;
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return false;
}
// reject any curves not on the Edge.Cuts layer
if( curve->GetLayer() != LAYER_EDGE )
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{
delete curve;
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return true;
}
m_curves.push_back( curve );
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return true;
}
bool KICADPCB::ComposePCB( bool aComposeVirtual, bool aSubstituteModels )
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{
if( m_pcb_model )
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return true;
if( m_footprints.empty() && m_curves.empty() )
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{
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ReportMessage( wxT( "Error: no PCB data (no footprint, no outline) to render\n" ) );
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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;
m_pcb_model = new PCBMODEL( m_pcbName );
// TODO: Handle when top & bottom soldermask colours are different...
m_pcb_model->SetBoardColor( m_topSolderMask.Red() / 255.0,
m_topSolderMask.Green() / 255.0,
m_topSolderMask.Blue() / 255.0 );
m_pcb_model->SetPCBThickness( m_thickness );
m_pcb_model->SetMinDistance( m_minDistance );
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for( KICADCURVE* i : m_curves )
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{
if( CURVE_NONE == i->m_form || LAYER_EDGE != i->m_layer )
continue;
// adjust the coordinate system
// Note: we negate the Y coordinates due to the fact in Pcbnew the Y axis
// is from top to bottom.
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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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// used in bezier curves:
lcurve.m_bezierctrl1.y = -( lcurve.m_bezierctrl1.y - origin.y );
lcurve.m_bezierctrl1.x -= origin.x;
lcurve.m_bezierctrl2.y = -( lcurve.m_bezierctrl2.y - origin.y );
lcurve.m_bezierctrl2.x -= origin.x;
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if( CURVE_ARC == lcurve.m_form )
lcurve.m_angle = -lcurve.m_angle;
m_pcb_model->AddOutlineSegment( &lcurve );
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}
for( KICADFOOTPRINT* i : m_footprints )
i->ComposePCB( m_pcb_model, &m_resolver, origin, aComposeVirtual, aSubstituteModels );
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ReportMessage( wxT( "Create PCB solid model\n" ) );
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if( !m_pcb_model->CreatePCB() )
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{
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ReportMessage( wxT( "could not create PCB solid model\n" ) );
delete m_pcb_model;
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m_pcb_model = nullptr;
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return false;
}
return true;
}