kicad/gerbview/export_to_pcbnew.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2007-2014 Jean-Pierre Charras jp.charras at wanadoo.fr
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* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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 <geometry/shape_poly_set.h>
#include <layer_ids.h>
struct EXPORT_VIA
{
EXPORT_VIA( const VECTOR2I& aPos, int aSize, int aDrill ) :
m_Pos( aPos ),
m_Size( aSize ),
m_Drill( aDrill )
{ }
VECTOR2I m_Pos;
int m_Size;
int m_Drill;
};
class GERBER_DRAW_ITEM;
class GERBVIEW_FRAME;
/**
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* A helper class to export a Gerber set of files to Pcbnew.
*/
class GBR_TO_PCB_EXPORTER
{
public:
GBR_TO_PCB_EXPORTER( GERBVIEW_FRAME* aFrame, const wxString& aFileName );
~GBR_TO_PCB_EXPORTER();
/**
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* Save a board from a set of Gerber images.
*/
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bool ExportPcb( const int* aLayerLookUpTable, int aCopperLayers );
private:
/**
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* Collect holes from a drill layer.
*
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* We'll use these later when writing pads & vias. Many holes will be pads, but we have
* no way to create those without footprints, and creating a footprint per pad is not
* really viable. We use vias to mimic holes, with the loss of any hole shape (as we only
* have round holes in vias at present). We start out with a via size minimally larger
* than the hole. We'll leave it this way if the pad gets drawn as a copper polygon, or
* increase it to the proper size if it has a circular, concentric copper flashing.
*/
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void collect_hole( const GERBER_DRAW_ITEM* aGbrItem );
/**
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* Write a via to the board file.
*
* Some of these will represent actual vias while others are used to represent
* holes in pads. (We can't generate actual pads because the Gerbers don't contain
* info on how to group them into footprints.)
*/
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void export_via( const EXPORT_VIA& aVia );
/**
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* Write a non copper line or arc to the board file.
*
* @param aGbrItem is the Gerber item (line, arc) to export.
* @param aLayer is the technical layer to use.
*/
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void export_non_copper_item( const GERBER_DRAW_ITEM* aGbrItem, int aLayer );
/**
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* Write a non-copper polygon to the board file.
*
* @param aLayer is the technical layer to use.
*/
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void writePcbPolygon( const SHAPE_POLY_SET& aPolys, int aLayer,
const VECTOR2I& aOffset = { 0, 0 } );
/**
* Write a filled circle to the board file (with line thickness = 0).
*
* @param aCenterPosition is the actual position of the filled circle,
* given by <round_flashed_shape>->GetABPosition()
* @param aRadius is the circle radius.
* @param aLayer is the layer to use.
*/
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void writePcbFilledCircle( const VECTOR2I& aCenterPosition, int aRadius, int aLayer );
/**
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* Write a zone item to the board file.
*
* @warning This is experimental for tests only.
*
* @param aGbrItem is the Gerber item (line, arc) to export.
* @param aLayer is the technical layer to use.
*/
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void writePcbZoneItem( const GERBER_DRAW_ITEM* aGbrItem, int aLayer );
/**
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* Write a track (or via) to the board file.
*
* @param aGbrItem is the Gerber item (line, arc, flashed) to export.
* @param aLayer is the copper layer to use.
*/
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void export_copper_item( const GERBER_DRAW_ITEM* aGbrItem, int aLayer );
/**
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* Write a synthetic pad to the board file.
*
* We can't create real pads because the Gerbers don't store grouping/footprint info.
* So we synthesize a pad with a via for the hole (if present) and a copper polygon for
* the pad.
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*
* @param aGbrItem is the flashed Gerber item to export.
*/
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void export_flashed_copper_item( const GERBER_DRAW_ITEM* aGbrItem, int aLayer );
/**
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* Write a track (not via) to the board file.
*
* @param aGbrItem is the Gerber item (line only) to export.
* @param aLayer is the copper layer to use.
*/
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void export_segline_copper_item( const GERBER_DRAW_ITEM* aGbrItem, int aLayer );
/**
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* Write a set of tracks (arcs are approximated by track segments) to the board file.
*
* @param aGbrItem is the Gerber item (arc only) to export.
* @param aLayer is the copper layer to use
*/
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void export_segarc_copper_item( const GERBER_DRAW_ITEM* aGbrItem, int aLayer );
/**
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* Basic write function to write a a #PCB_TRACK to the board file from a non flashed item.
*/
void writeCopperLineItem( const VECTOR2I& aStart, const VECTOR2I& aEnd, int aWidth,
int aLayer );
/**
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* Write a very basic header to the board file.
*/
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void writePcbHeader( const int* aLayerLookUpTable );
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/**
* Map GerbView internal units to millimeters for Pcbnew board files.
*
* @param aValue is a coordinate value to convert in mm.
*/
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double MapToPcbUnits( int aValue ) const
{
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return aValue / gerbIUScale.IU_PER_MM;
}
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private:
GERBVIEW_FRAME* m_gerbview_frame; // the main gerber frame
wxString m_pcb_file_name; // BOARD file to write to
FILE* m_fp; // the board file
int m_pcbCopperLayersCount;
std::vector<EXPORT_VIA> m_vias;
};