355 lines
12 KiB
C++
355 lines
12 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) 2019 Jean_Pierre Charras <jp.charras at wanadoo.fr>
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* Copyright (C) 1992-2021 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 modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file gerber_placefile_writer.cpp
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* @brief Functions to create place files in gerber X2 format.
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*/
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#include "gerber_placefile_writer.h"
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#include <vector>
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#include <plotters/plotter_gerber.h>
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#include <string_utils.h>
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#include <locale_io.h>
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#include <macros.h>
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#include <board.h>
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#include <board_design_settings.h>
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#include <pcbplot.h>
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#include <wildcards_and_files_ext.h>
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#include <gbr_metadata.h>
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#include <footprint.h>
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#include <pad.h>
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PLACEFILE_GERBER_WRITER::PLACEFILE_GERBER_WRITER( BOARD* aPcb )
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{
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m_pcb = aPcb;
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m_plotPad1Marker = true; // Place a marker to pin 1 (or A1) position
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m_plotOtherPadsMarker = true; // Place a marker to other pins position
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m_layer = PCB_LAYER_ID::UNDEFINED_LAYER; // No layer set
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}
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int PLACEFILE_GERBER_WRITER::CreatePlaceFile( wxString& aFullFilename, PCB_LAYER_ID aLayer,
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bool aIncludeBrdEdges )
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{
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m_layer = aLayer;
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PCB_PLOT_PARAMS plotOpts = m_pcb->GetPlotOptions();
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if( plotOpts.GetUseAuxOrigin() )
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m_offset = m_pcb->GetDesignSettings().GetAuxOrigin();
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// Collect footprints on the right layer
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std::vector<FOOTPRINT*> fp_list;
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for( FOOTPRINT* footprint : m_pcb->Footprints() )
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{
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if( footprint->GetAttributes() & FP_EXCLUDE_FROM_POS_FILES )
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continue;
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if( footprint->GetLayer() == aLayer )
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fp_list.push_back( footprint );
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}
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LOCALE_IO dummy_io; // Use the standard notation for float numbers
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GERBER_PLOTTER plotter;
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// Gerber drill file imply X2 format:
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plotter.UseX2format( true );
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plotter.UseX2NetAttributes( true );
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// Add the standard X2 header, without FileFunction
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AddGerberX2Header( &plotter, m_pcb );
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plotter.SetViewport( m_offset, IU_PER_MILS/10, /* scale */ 1.0, /* mirror */false );
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// has meaning only for gerber plotter. Must be called only after SetViewport
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plotter.SetGerberCoordinatesFormat( 6 );
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plotter.SetCreator( wxT( "PCBNEW" ) );
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// Add the standard X2 FileFunction for P&P files
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// %TF.FileFunction,Component,Ln,[top][bottom]*%
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wxString text;
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text.Printf( "%%TF.FileFunction,Component,L%d,%s*%%",
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aLayer == B_Cu ? m_pcb->GetCopperLayerCount() : 1,
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aLayer == B_Cu ? "Bot" : "Top" );
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plotter.AddLineToHeader( text );
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// Add file polarity (positive)
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text = "%TF.FilePolarity,Positive*%";
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plotter.AddLineToHeader( text );
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if( !plotter.OpenFile( aFullFilename ) )
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return -1;
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// We need a BRDITEMS_PLOTTER to plot pads
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BRDITEMS_PLOTTER brd_plotter( &plotter, m_pcb, plotOpts );
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plotter.StartPlot();
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// Some tools in P&P files have the type and size defined.
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// they are position flash (round), pad1 flash (diamond), other pads flash (round)
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// and component outline thickness (polyline)
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int flash_position_shape_diam = Millimeter2iu( 0.3 ); // defined size for position shape (circle)
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int pad1_mark_size = Millimeter2iu( 0.36 ); // defined size for pad 1 position (diamond)
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int other_pads_mark_size = 0; // defined size for position shape (circle)
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int line_thickness = Millimeter2iu( 0.1 ); // defined size for component outlines
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brd_plotter.SetLayerSet( LSET( aLayer ) );
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int cmp_count = 0;
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bool allowUtf8 = true;
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// Plot components data: position, outlines, pad1 and other pads.
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for( FOOTPRINT* footprint : fp_list )
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{
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// Manage the aperture attribute component position:
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GBR_METADATA gbr_metadata;
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CMP_POSITION );
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// Add object attribute: component reference to flash (mainly useful for users)
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// using quoted UTF8 string
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wxString ref = ConvertNotAllowedCharsInGerber( footprint->Reference().GetShownText(),
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allowUtf8, true );
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gbr_metadata.SetCmpReference( ref );
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gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_CMP );
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// Add P&P specific attributes
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GBR_CMP_PNP_METADATA pnpAttrib;
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// Add rotation info (rotation is CCW, in degrees):
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pnpAttrib.m_Orientation = mapRotationAngle( footprint->GetOrientationDegrees() );
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pnpAttrib.m_MountType = GBR_CMP_PNP_METADATA::MOUNT_TYPE_UNSPECIFIED;
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if( footprint->GetAttributes() & FP_THROUGH_HOLE )
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pnpAttrib.m_MountType = GBR_CMP_PNP_METADATA::MOUNT_TYPE_TH;
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else if( footprint->GetAttributes() & FP_SMD )
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pnpAttrib.m_MountType = GBR_CMP_PNP_METADATA::MOUNT_TYPE_SMD;
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// Add component value info:
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pnpAttrib.m_Value = ConvertNotAllowedCharsInGerber( footprint->Value().GetShownText(),
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allowUtf8, true );
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// Add component footprint info:
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wxString fp_info = FROM_UTF8( footprint->GetFPID().GetLibItemName().c_str() );
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pnpAttrib.m_Footprint = ConvertNotAllowedCharsInGerber( fp_info, allowUtf8, true );
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// Add footprint lib name:
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fp_info = FROM_UTF8( footprint->GetFPID().GetLibNickname().c_str() );
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pnpAttrib.m_LibraryName = ConvertNotAllowedCharsInGerber( fp_info, allowUtf8, true );
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gbr_metadata.m_NetlistMetadata.SetExtraData( pnpAttrib.FormatCmpPnPMetadata() );
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VECTOR2I flash_pos = footprint->GetPosition();
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plotter.FlashPadCircle( flash_pos, flash_position_shape_diam, FILLED, &gbr_metadata );
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gbr_metadata.m_NetlistMetadata.ClearExtraData();
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// Now some extra metadata is output, avoid blindly clearing the full metadata list
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gbr_metadata.m_NetlistMetadata.m_TryKeepPreviousAttributes = true;
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// We plot the footprint courtyard when possible.
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// If not, the pads bounding box will be used.
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bool useFpPadsBbox = true;
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bool onBack = aLayer == B_Cu;
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footprint->BuildPolyCourtyards();
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int checkFlag = onBack ? MALFORMED_B_COURTYARD : MALFORMED_F_COURTYARD;
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if( ( footprint->GetFlags() & checkFlag ) == 0 )
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{
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gbr_metadata.SetApertureAttrib(
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GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CMP_COURTYARD );
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const SHAPE_POLY_SET& courtyard = footprint->GetPolyCourtyard( aLayer );
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for( int ii = 0; ii < courtyard.OutlineCount(); ii++ )
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{
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SHAPE_LINE_CHAIN poly = courtyard.Outline( ii );
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if( !poly.PointCount() )
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continue;
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useFpPadsBbox = false;
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plotter.PLOTTER::PlotPoly( poly, FILL_T::NO_FILL, line_thickness, &gbr_metadata );
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}
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}
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if( useFpPadsBbox )
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{
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gbr_metadata.SetApertureAttrib(
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GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CMP_FOOTPRINT );
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// bbox of fp pads, pos 0, rot 0, non flipped
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EDA_RECT bbox = footprint->GetFpPadsLocalBbox();
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// negate bbox Y values if the fp is flipped (always flipped around X axis
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// in Gerber P&P files).
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int y_sign = aLayer == B_Cu ? -1 : 1;
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SHAPE_LINE_CHAIN poly;
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poly.Append( bbox.GetLeft(), y_sign*bbox.GetTop() );
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poly.Append( bbox.GetLeft(), y_sign*bbox.GetBottom() );
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poly.Append( bbox.GetRight(), y_sign*bbox.GetBottom() );
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poly.Append( bbox.GetRight(), y_sign*bbox.GetTop() );
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poly.SetClosed( true );
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poly.Rotate( footprint->GetOrientation() );
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poly.Move( footprint->GetPosition() );
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plotter.PLOTTER::PlotPoly( poly, FILL_T::NO_FILL, line_thickness, &gbr_metadata );
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}
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std::vector<PAD*>pad_key_list;
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if( m_plotPad1Marker )
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{
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findPads1( pad_key_list, footprint );
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for( PAD* pad1 : pad_key_list )
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{
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gbr_metadata.SetApertureAttrib(
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GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_PAD1_POSITION );
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gbr_metadata.SetPadName( pad1->GetNumber(), allowUtf8, true );
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gbr_metadata.SetPadPinFunction( pad1->GetPinFunction(), allowUtf8, true );
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gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_PAD );
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// Flashes a diamond at pad position:
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plotter.FlashRegularPolygon( pad1->GetPosition(), pad1_mark_size, 4, ANGLE_0,
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FILLED, &gbr_metadata );
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}
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}
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if( m_plotOtherPadsMarker )
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{
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gbr_metadata.SetApertureAttrib(
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GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_PADOTHER_POSITION );
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gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_PAD );
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for( PAD* pad: footprint->Pads() )
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{
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bool skip_pad = false;
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for( PAD* pad1 : pad_key_list )
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{
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if( pad == pad1 ) // Already plotted
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{
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skip_pad = true;
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break;
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}
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}
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if( skip_pad )
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continue;
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// Skip also pads not on the current layer, like pads only
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// on a tech layer
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if( !pad->IsOnLayer( aLayer ) )
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continue;
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gbr_metadata.SetPadName( pad->GetNumber(), allowUtf8, true );
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gbr_metadata.SetPadPinFunction( pad->GetPinFunction(), allowUtf8, true );
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// Flashes a round, 0 sized round shape at pad position
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plotter.FlashPadCircle( pad->GetPosition(), other_pads_mark_size, FILLED,
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&gbr_metadata );
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}
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}
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plotter.ClearAllAttributes(); // Unconditionally close all .TO attributes
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cmp_count++;
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}
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// Plot board outlines, if requested
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if( aIncludeBrdEdges )
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{
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brd_plotter.SetLayerSet( LSET( Edge_Cuts ) );
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// Plot edge layer and graphic items
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brd_plotter.PlotBoardGraphicItems();
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// Draw footprint other graphic items:
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for( FOOTPRINT* footprint : fp_list )
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{
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for( BOARD_ITEM* item : footprint->GraphicalItems() )
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{
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if( item->Type() == PCB_FP_SHAPE_T && item->GetLayer() == Edge_Cuts )
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brd_plotter.PlotFootprintGraphicItem( (FP_SHAPE*) item );
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}
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}
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}
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plotter.EndPlot();
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return cmp_count;
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}
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double PLACEFILE_GERBER_WRITER::mapRotationAngle( double aAngle )
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{
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// Convert a KiCad footprint orientation to gerber rotation, depending on the layer
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// Currently, same notation as KiCad.
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return aAngle;
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}
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void PLACEFILE_GERBER_WRITER::findPads1( std::vector<PAD*>& aPadList, FOOTPRINT* aFootprint ) const
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{
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// Fint the pad "1" or pad "A1"
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// this is possible only if only one pad is found
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// useful to place a marker in this position
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for( PAD* pad : aFootprint->Pads() )
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{
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if( !pad->IsOnLayer( m_layer ) )
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continue;
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if( pad->GetNumber() == "1" || pad->GetNumber() == "A1")
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aPadList.push_back( pad );
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}
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}
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const wxString PLACEFILE_GERBER_WRITER::GetPlaceFileName( const wxString& aFullBaseFilename,
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PCB_LAYER_ID aLayer ) const
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{
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// Gerber files extension is always .gbr.
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// Therefore, to mark pnp files, add "-pnp" to the filename, and a layer id.
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wxFileName fn = aFullBaseFilename;
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wxString post_id = "-pnp_";
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post_id += aLayer == B_Cu ? "bottom" : "top";
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fn.SetName( fn.GetName() + post_id );
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fn.SetExt( GerberFileExtension );
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return fn.GetFullPath();
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}
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