kicad/pcbnew/exporters/gendrill_Excellon_writer.h

/**
 * @file gendrill_Excellon_writer.h
 * @brief Classes used in drill files, map files and report files generation.
 */

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2012 Jean_Pierre Charras <jp.charras at wanadoo.fr>
 * Copyright (C) 1992-2012 KiCad Developers, see change_log.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 _GENDRILL_EXCELLON_WRITER_
#define _GENDRILL_EXCELLON_WRITER_

#include <vector>


class BOARD;
class PLOTTER;


/* the DRILL_TOOL class  handles tools used in the excellon drill file */
class DRILL_TOOL
{
public:
    int m_Diameter;         // the diameter of the used tool (for oblong, the smaller size)
    int m_TotalCount;       // how many times it is used (round and oblong)
    int m_OvalCount;        // oblong count

public:
    DRILL_TOOL( int diametre )
    {
        m_TotalCount = 0;
        m_OvalCount  = 0;
        m_Diameter   = diametre;
    }
};


/* the HOLE_INFO class handle hole which must be drilled (diameter, position and layers)
 * For buried or micro vias, the hole is not on all layers.
 * So we must generate a drill file for each layer pair (adjacent layers)
 * Not plated holes are always through holes, and must be output on a specific drill file
 * because they are drilled after the Pcb process is finished.
*/
class HOLE_INFO
{
public:
    int m_Hole_Diameter;            // hole value, and for oblong: min(hole size x, hole size y)
    int m_Tool_Reference;           // Tool reference for this hole = 1 ... n (values <=0 must not be used)
    wxSize m_Hole_Size;             // hole size for oblong holes
    double m_Hole_Orient;           // Hole rotation (= pad rotation) for oblong holes
    int m_Hole_Shape;               // hole shape: round (0) or oval (1)
    wxPoint m_Hole_Pos;             // hole position
    LAYER_NUM m_Hole_Bottom_Layer;  // hole starting layer (usually back layer)
    LAYER_NUM m_Hole_Top_Layer;     // hole ending layer (usually front layer):
                                    // m_Hole_First_Layer < m_Hole_Last_Layer
    bool m_Hole_NotPlated;          // hole not plated. Must be in a specific drill file
public:
    HOLE_INFO()
    {
        m_Hole_NotPlated = false;
    }
};


/* the DRILL_PRECISION helper class to handle drill precision format in excellon files
 */
class DRILL_PRECISION
{
public:
    int m_lhs;      // Left digit number (integer value of coordinates)
    int m_rhs;      // Right digit number (deciam value of coordinates)

public: DRILL_PRECISION( int l = 2, int r = 4 )
    {
        m_lhs = l; m_rhs = r;
    }


    wxString GetPrecisionString()
    {
        wxString text;

        text << m_lhs << wxT( ":" ) << m_rhs;
        return text;
    }
};


/**
 * EXCELLON_WRITER is a class mainly used to create Excellon drill files
 * However, this class is also used to create drill maps and drill report
 */
class EXCELLON_WRITER
{
public:
    enum zeros_fmt {
        // Zero format in coordinates
        DECIMAL_FORMAT,
        SUPPRESS_LEADING,
        SUPPRESS_TRAILING,
        KEEP_ZEROS
    };
    wxPoint                  m_Offset;          // offset coordinates
    bool                     m_ShortHeader;     // true to generate the smallest header (strip comments)

private:
    FILE*                    m_file;                    // The output file
    BOARD*                   m_pcb;
    bool                     m_minimalHeader;           // True to use minimal haeder
                                                        // in excellon file (strip comments)
    bool                     m_unitsDecimal;            // true = decimal, false = inches
    zeros_fmt                m_zeroFormat;              // the zero format option for output file
    DRILL_PRECISION          m_precision;               // The current coordinate precision (not used in decimat format)
    double                   m_conversionUnits;         // scaling factor to convert the board unites to Excellon units
                                                        // (i.e inches or mm)
    bool                     m_mirror;
    wxPoint                  m_offset;                  // Drill offset ooordinates
    std::vector<HOLE_INFO>   m_holeListBuffer;          // Buffer containing holes
    std::vector<DRILL_TOOL>  m_toolListBuffer;          // Buffer containing tools

public: EXCELLON_WRITER( BOARD* aPcb, wxPoint aOffset )
    {
        m_file = NULL;
        m_pcb  = aPcb;
        m_zeroFormat      = DECIMAL_FORMAT;
        m_conversionUnits = 0.0001;
        m_unitsDecimal    = false;
        m_mirror = false;
        m_minimalHeader = false;
    }


    ~EXCELLON_WRITER()
    {
    }

    /**
     * Return the plot offset (usually the position
     * of the auxiliaty axis
     */
    const wxPoint GetOffset() { return m_offset; }

    /**
     * Function SetFormat
     * Initialize internal parameters to match the given format
     * @param aMetric = true for metric coordinates, false for imperial units
     * @param aZerosFmt =  DECIMAL_FORMAT, SUPPRESS_LEADING, SUPPRESS_TRAILING, KEEP_ZEROS
     * @param aLeftDigits = number of digits for integer part of coordinates
     * @param aRightDigits = number of digits for mantissa part of coordinates
     */
    void SetFormat( bool aMetric, zeros_fmt aZerosFmt, int aLeftDigits, int aRightDigits );

    /**
     * Function SetOptions
     * Initialize internal parameters to match drill options
     * @param aMirror = true to create mirrored coordinates (Y coordinates negated)
     * @param aMinimalHeader = true to use a minimal header (no comments, no info)
     * @param aOffset = drill coordinates offset
     */
    void SetOptions( bool aMirror, bool aMinimalHeader, wxPoint aOffset )
    {
        m_mirror = aMirror;
        m_offset = aOffset;
        m_minimalHeader = aMinimalHeader;
    }

    /**
     * Function BuildHolesList
     * Create the list of holes and tools for a given board
     * The list is sorted by increasing drill values
     * Only holes from aFirstLayer to aLastLayer copper layers  are listed (for vias, because
     * pad holes are always through holes)
     * @param aFirstLayer = first layer to consider. if < 0 aFirstLayer is ignored
     * @param aLastLayer = last layer to consider. if < 0 aLastLayer is ignored
     * @param aExcludeThroughHoles Exclude through holes if true.
     * @param aGenerateNPTH_list :
     *       true to create NPTH only list (with no plated holes)
     *       false to created plated holes list (with no NPTH )
     */
    void BuildHolesList( int aFirstLayer, int aLastLayer,
                           bool aExcludeThroughHoles,
                           bool aGenerateNPTH_list );

    int  GetHolesCount() const { return m_holeListBuffer.size(); }

    /**
     * Function CreateDrillFile
     * Creates an Excellon drill file
     * @param aFile = an opened file to write to
     *   will be closed by CreateDrillFile
     * @return hole count
     */
    int  CreateDrillFile( FILE * aFile );

    /**
     * Function GenDrillReportFile
     *  Create a plain text report file giving a list of drill values and drill count
     *  for through holes, oblong holes, and for buried vias,
     *  drill values and drill count per layer pair
     *  there is only one report for all drill files even when buried or blinds vias exist
     * @param aFullFileName : the name of the file to create
     *  m_unitsDecimal = false tu use inches, true to use mm in report file
     *
     * @return success if the file is created
     */
    bool GenDrillReportFile( const wxString& aFullFileName );

    /**
     * Function GenDrillMapFile
     * Plot a map of drill marks for holes.
     * @param aFullFileNameWithoutExt : the full filename of the file to create,
     *              without extension (will be added accordint ti the format)
     * @param aSheet : the paper sheet touse for plot
     * @param aFormat : one of the supported plot formats (see enum PlotFormat )
     */
    bool GenDrillMapFile( const wxString& aFullFileNameWithoutExt,
                          const PAGE_INFO& aSheet,
                          PlotFormat aFormat );
private:
    void WriteEXCELLONHeader();
    void WriteEXCELLONEndOfFile();
    void WriteCoordinates( char* aLine, double aCoordX, double aCoordY );

    /** Helper function.
     * Writes the drill marks in HPGL, POSTSCRIPT or other supported formats
     * Each hole size has a symbol (circle, cross X, cross + ...) up to
     * PLOTTER::MARKER_COUNT different values.
     * If more than PLOTTER::MARKER_COUNT different values,
     * these other values share the same mark shape
     * @param aPlotter = a PLOTTER instance (HPGL, POSTSCRIPT ... plotter).
     */
    bool PlotDrillMarks( PLOTTER* aPlotter );
};




#endif  //  #ifndef _GENDRILL_EXCELLON_WRITER_