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304 lines
10 KiB
304 lines
10 KiB
/*
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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) 2017 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
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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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/**
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* @file gendrill_gerber_writer.cpp
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* @brief Functions to create drill files in gerber X2 format.
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*/
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#include <vector>
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#include <plotter.h>
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#include <plotters_specific.h>
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#include <kicad_string.h>
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#include <locale_io.h>
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#include <pcb_edit_frame.h>
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#include <pgm_base.h>
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#include <board.h>
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#include <footprint.h>
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#include <track.h>
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#include <pad.h>
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#include <pcbplot.h>
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#include <gendrill_gerber_writer.h>
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#include <reporter.h>
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#include <gbr_metadata.h>
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// set to 1 to use flashed oblong holes, 0 to draw them by a line.
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#define FLASH_OVAL_HOLE 1
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GERBER_WRITER::GERBER_WRITER( BOARD* aPcb )
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: GENDRILL_WRITER_BASE( aPcb )
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{
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m_zeroFormat = SUPPRESS_LEADING;
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m_conversionUnits = 1.0;
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m_unitsMetric = true;
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m_drillFileExtension = "gbr";
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m_merge_PTH_NPTH = false;
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}
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void GERBER_WRITER::CreateDrillandMapFilesSet( const wxString& aPlotDirectory, bool aGenDrill,
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bool aGenMap, REPORTER* aReporter )
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{
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// Note: In Gerber drill files, NPTH and PTH are always separate files
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m_merge_PTH_NPTH = false;
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wxFileName fn;
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wxString msg;
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std::vector<DRILL_LAYER_PAIR> hole_sets = getUniqueLayerPairs();
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// append a pair representing the NPTH set of holes, for separate drill files.
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// (Gerber drill files are separate files for PTH and NPTH)
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hole_sets.emplace_back( F_Cu, B_Cu );
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for( std::vector<DRILL_LAYER_PAIR>::const_iterator it = hole_sets.begin();
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it != hole_sets.end(); ++it )
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{
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DRILL_LAYER_PAIR pair = *it;
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// For separate drill files, the last layer pair is the NPTH drill file.
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bool doing_npth = ( it == hole_sets.end() - 1 );
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buildHolesList( pair, doing_npth );
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// The file is created if it has holes, or if it is the non plated drill file
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// to be sure the NPTH file is up to date in separate files mode.
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// Also a PTH drill/map file is always created, to be sure at least one plated hole drill file
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// is created (do not create any PTH drill file can be seen as not working drill generator).
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if( getHolesCount() > 0 || doing_npth || pair == DRILL_LAYER_PAIR( F_Cu, B_Cu ) )
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{
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fn = getDrillFileName( pair, doing_npth, false );
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fn.SetPath( aPlotDirectory );
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if( aGenDrill )
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{
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wxString fullFilename = fn.GetFullPath();
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int result = createDrillFile( fullFilename, doing_npth, pair );
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if( result < 0 )
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{
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if( aReporter )
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{
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msg.Printf( _( "** Unable to create %s **\n" ), fullFilename );
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aReporter->Report( msg );
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}
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break;
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}
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else
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{
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if( aReporter )
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{
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msg.Printf( _( "Create file %s\n" ), fullFilename );
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aReporter->Report( msg );
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}
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}
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}
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}
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}
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if( aGenMap )
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CreateMapFilesSet( aPlotDirectory, aReporter );
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}
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#if !FLASH_OVAL_HOLE
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// A helper class to transform an oblong hole to a segment
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static void convertOblong2Segment( wxSize aSize, double aOrient, wxPoint& aStart, wxPoint& aEnd );
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#endif
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int GERBER_WRITER::createDrillFile( wxString& aFullFilename, bool aIsNpth,
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DRILL_LAYER_PAIR aLayerPair )
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{
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int holes_count;
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LOCALE_IO dummy; // Use the standard notation for double 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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plotter.DisableApertMacros( false );
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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 drill files
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// %TF.FileFunction,Plated[NonPlated],layer1num,layer2num,PTH[NPTH][Blind][Buried],Drill[Route][Mixed]*%
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wxString text = BuildFileFunctionAttributeString( aLayerPair,
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aIsNpth
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? TYPE_FILE::NPTH_FILE
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: TYPE_FILE::PTH_FILE );
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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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plotter.StartPlot();
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holes_count = 0;
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wxPoint hole_pos;
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bool last_item_is_via = true; // a flag to clear object attributes when a via hole is created.
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for( unsigned ii = 0; ii < m_holeListBuffer.size(); ii++ )
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{
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HOLE_INFO& hole_descr = m_holeListBuffer[ii];
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hole_pos = hole_descr.m_Hole_Pos;
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// Manage the aperture attributes: in drill files 3 attributes can be used:
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// "ViaDrill", only for vias, not pads
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// "ComponentDrill", only for Through Holes pads
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// "Slot" for oblong holes;
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GBR_METADATA gbr_metadata;
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if( dyn_cast<const VIA*>(hole_descr.m_ItemParent ) )
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{
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_VIADRILL );
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if( !last_item_is_via )
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{
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// be sure the current object attribute is cleared for vias
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plotter.EndBlock( NULL );
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}
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last_item_is_via = true;
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}
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else if( dyn_cast<const PAD*>( hole_descr.m_ItemParent ) )
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{
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last_item_is_via = false;
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const PAD* pad = dyn_cast<const PAD*>( hole_descr.m_ItemParent );
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if( pad->GetProperty() == PAD_PROP::CASTELLATED )
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CASTELLATEDDRILL );
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else
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{
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// Good practice of oblong pad holes (slots) is to use a specific aperture for routing, not used
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// in drill commands
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if( hole_descr.m_Hole_Shape )
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CMP_OBLONG_DRILL );
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else
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CMP_DRILL );
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}
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// Add object attribute: component reference to pads (mainly usefull for users)
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wxString ref = pad->GetParent()->GetReference();
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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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}
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if( hole_descr.m_Hole_Shape )
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{
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#if FLASH_OVAL_HOLE // set to 1 to use flashed oblong holes,
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// 0 to draw them as a line.
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plotter.FlashPadOval( hole_pos, hole_descr.m_Hole_Size,
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hole_descr.m_Hole_Orient, FILLED, &gbr_metadata );
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#else
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// Use routing for oblong hole (Slots)
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wxPoint start, end;
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convertOblong2Segment( hole_descr.m_Hole_Size,
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hole_descr.m_Hole_Orient, start, end );
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int width = std::min( hole_descr.m_Hole_Size.x, hole_descr.m_Hole_Size.y );
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if ( width == 0 )
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continue;
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plotter.ThickSegment( start+hole_pos, end+hole_pos,
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width, FILLED, &gbr_metadata );
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#endif
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}
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else
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{
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int diam = std::min( hole_descr.m_Hole_Size.x, hole_descr.m_Hole_Size.y );
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plotter.FlashPadCircle( hole_pos, diam, FILLED, &gbr_metadata );
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}
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holes_count++;
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}
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plotter.EndPlot();
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return holes_count;
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}
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#if !FLASH_OVAL_HOLE
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void convertOblong2Segment( wxSize aSize, double aOrient, wxPoint& aStart, wxPoint& aEnd )
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{
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wxSize size( aSize );
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double orient = aOrient;
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/* The pad will be drawn as an oblong shape with size.y > size.x
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* (Oval vertical orientation 0)
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*/
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if( size.x > size.y )
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{
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std::swap( size.x, size.y );
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orient = AddAngles( orient, 900 );
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}
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int deltaxy = size.y - size.x; // distance between centers of the oval
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int cx = 0;
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int cy = deltaxy / 2;
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RotatePoint( &cx, &cy, orient );
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aStart = wxPoint( cx, cy );
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cx = 0; cy = -deltaxy / 2;
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RotatePoint( &cx, &cy, orient );
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aEnd = wxPoint( cx, cy );
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}
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#endif
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void GERBER_WRITER::SetFormat( int aRightDigits )
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{
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/* Set conversion scale depending on drill file units */
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m_conversionUnits = 1.0 / IU_PER_MM; // Gerber units = mm
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// Set precison (unit is mm).
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m_precision.m_Lhs = 4;
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m_precision.m_Rhs = aRightDigits == 6 ? 6 : 5;
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}
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const wxString GERBER_WRITER::getDrillFileName( DRILL_LAYER_PAIR aPair, bool aNPTH,
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bool aMerge_PTH_NPTH ) const
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{
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// Gerber files extension is always .gbr.
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// Therefore, to mark drill files, add "-drl" to the filename.
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wxFileName fname( GENDRILL_WRITER_BASE::getDrillFileName( aPair, aNPTH, aMerge_PTH_NPTH ) );
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fname.SetName( fname.GetName() + "-drl" );
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return fname.GetFullPath();
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}
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