kicad/pcbnew/exporters/gerber_jobfile_writer.h

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/**
* @file gerber_jobfile_writer.h
* @brief Classes used to generate a Gerber job file in JSON
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2018 Jean_Pierre Charras <jp.charras at wanadoo.fr>
* Copyright (C) 1992-2018 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
*/
#ifndef GERBER_JOBFILE_WRITER_H
#define GERBER_JOBFILE_WRITER_H
#include <nlohmann/json.hpp>
// A helper enum to handle sides of some layers (silk, mask)
enum ONSIDE
{
SIDE_NONE = 0, // layers not present
SIDE_TOP = 1, // top layer only
SIDE_BOTTOM = 2, // bottom layer only
SIDE_BOTH = SIDE_TOP|SIDE_BOTTOM // both layers
};
class BOARD;
/**
* JOBFILE_PARAMS store the list of parameters written in Gerber job file
* especially list of .gbr filenames and the corresponding layer id belonging the job
*/
class JOBFILE_PARAMS
{
public:
wxArrayString m_GerberFileList; // the list of gerber filenames (without path)
std::vector<PCB_LAYER_ID> m_LayerId; // the list of corresponding layer id
};
/**
* GERBER_JOBFILE_WRITER is a class used to create Gerber job file
* a Gerber job file stores info to make a board:
* list of gerber files
* info about the board itsel:
* size, number of copper layers
* thickness of the board, copper and dielectric
* and some other info (colors, finish type ...)
*
* note: dimensions are always in mm in Kicad job file (can be also in inches in a job file)
* and they are in floating point notation
*/
class GERBER_JOBFILE_WRITER
{
public:
GERBER_JOBFILE_WRITER( BOARD* aPcb, REPORTER* aReporter = nullptr );
virtual ~GERBER_JOBFILE_WRITER()
{
}
/**
* add a gerber file name and type in job file list
* @param aLayer is the PCB_LAYER_ID corresponding to the gerber file
* @param aFilename is the filename (without path) of the gerber file
*/
void AddGbrFile( PCB_LAYER_ID aLayer, wxString& aFilename )
{
m_params.m_GerberFileList.Add( aFilename );
m_params.m_LayerId.push_back( aLayer );
}
/**
* Creates a Gerber job file
* @param aFullFilename = the full filename
* @return true, or false if the file cannot be created
*/
bool CreateJobFile( const wxString& aFullFilename );
/**
* Creates an Gerber job file in JSON format
* @param aFullFilename = the full filename
* @param aParams = true for a NPTH file, false for a PTH file
* @return true, or false if the file cannot be created
*/
bool WriteJSONJobFile( const wxString& aFullFilename );
private:
/** @return SIDE_NONE if no silk screen layer is in list
* SIDE_TOP if top silk screen layer is in list
* SIDE_BOTTOM if bottom silk screen layer is in list
* SIDE_BOTH if top and bottom silk screen layers are in list
*/
enum ONSIDE hasSilkLayers();
/** @return SIDE_NONE if no soldermask layer is in list
* SIDE_TOP if top soldermask layer is in list
* SIDE_BOTTOM if bottom soldermask layer is in list
* SIDE_BOTH if top and bottom soldermask layers are in list
*/
enum ONSIDE hasSolderMasks();
/** @return the key associated to sides used for some layers
* No TopOnly BotOnly Both
*/
const char* sideKeyValue( enum ONSIDE aValue );
/**
* Add the job file header in JSON format to m_JSONbuffer
*/
void addJSONHeader();
/**
* Add the General Specs in JSON format to m_JSONbuffer
*/
void addJSONGeneralSpecs();
/**
* Add the Files Attributes section in JSON format to m_JSONbuffer
*/
void addJSONFilesAttributes();
/**
* Add the Material Stackup section in JSON format to m_JSONbuffer
* This is the ordered list of stackup layers (mask, paste, silk, copper, dielectric)
* used to make the physical board. Therefore not all layers are listed here
*/
void addJSONMaterialStackup();
/**
* Add the Design Rules section in JSON format to m_JSONbuffer
*/
void addJSONDesignRules();
/** A helper function to convert a wxString ( therefore a Unicode text ) to
* a JSON compatible string (a escaped unicode sequence of 4 hexa).
*/
std::string formatStringFromUTF32( const wxString& aText );
/** A helper function to convert a double in Pcbnew internal units to
* a JSON double value (in mm), with only 4 digits in mantissa for a better readability
* when printed using %g or equivalent format.
*/
double mapValue( double aUiValue );
private:
BOARD* m_pcb; // The board
REPORTER* m_reporter; // a reporter for messages (can be null)
JOBFILE_PARAMS m_params; // the list of various prms and data to write in a job file
double m_conversionUnits; // scaling factor to convert brd units to gerber units (mm)
nlohmann::ordered_json m_json; // json document built by this class
};
#endif // #ifndef GERBER_JOBFILE_WRITER_H