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kicad/pcbnew/exporters/gendrill_gerber_writer.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 Jean_Pierre Charras <jp.charras at wanadoo.fr>
* Copyright (C) 1992-2017 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
*/
/**
* @file gendrill_gerber_writer.cpp
* @brief Functions to create drill files in gerber X2 format.
*/
#include <fctsys.h>
#include <vector>
#include <plotter.h>
#include <kicad_string.h>
#include <pcb_edit_frame.h>
#include <pgm_base.h>
#include <build_version.h>
#include <class_board.h>
#include <pcbplot.h>
#include <pcbnew.h>
#include <gendrill_gerber_writer.h>
#include <wildcards_and_files_ext.h>
#include <reporter.h>
#include <gbr_metadata.h>
#include <class_module.h>
GERBER_WRITER::GERBER_WRITER( BOARD* aPcb )
: GENDRILL_WRITER_BASE( aPcb )
{
m_zeroFormat = SUPPRESS_LEADING;
m_conversionUnits = 1.0;
m_unitsMetric = true;
m_drillFileExtension = "gbr";
m_merge_PTH_NPTH = false;
}
void GERBER_WRITER::CreateDrillandMapFilesSet( const wxString& aPlotDirectory,
bool aGenDrill, bool aGenMap,
REPORTER * aReporter )
{
// Note: In Gerber drill files, NPTH and PTH are always separate files
m_merge_PTH_NPTH = false;
wxFileName fn;
wxString msg;
std::vector<DRILL_LAYER_PAIR> hole_sets = getUniqueLayerPairs();
// append a pair representing the NPTH set of holes, for separate drill files.
// (Gerber drill files are separate files for PTH and NPTH)
hole_sets.push_back( DRILL_LAYER_PAIR( F_Cu, B_Cu ) );
for( std::vector<DRILL_LAYER_PAIR>::const_iterator it = hole_sets.begin();
it != hole_sets.end(); ++it )
{
DRILL_LAYER_PAIR pair = *it;
// For separate drill files, the last layer pair is the NPTH drill file.
bool doing_npth = ( it == hole_sets.end() - 1 );
buildHolesList( pair, doing_npth );
// The file is created if it has holes, or if it is the non plated drill file
// to be sure the NPTH file is up to date in separate files mode.
if( getHolesCount() > 0 || doing_npth )
{
fn = getDrillFileName( pair, doing_npth, false );
fn.SetPath( aPlotDirectory );
if( aGenDrill )
{
wxString fullFilename = fn.GetFullPath();
int result = createDrillFile( fullFilename, doing_npth, pair.first, pair.second );
if( result < 0 )
{
if( aReporter )
{
msg.Printf( _( "** Unable to create %s **\n" ), GetChars( fullFilename ) );
aReporter->Report( msg );
}
break;
}
else
{
if( aReporter )
{
msg.Printf( _( "Create file %s\n" ), GetChars( fullFilename ) );
aReporter->Report( msg );
}
}
}
}
}
if( aGenMap )
CreateMapFilesSet( aPlotDirectory, aReporter );
}
// A helper class to transform an oblong hole to a segment
static void convertOblong2Segment( wxSize aSize, double aOrient, wxPoint& aStart, wxPoint& aEnd );
int GERBER_WRITER::createDrillFile( wxString& aFullFilename, bool aIsNpth,
int aLayer1, int aLayer2 )
{
int holes_count;
LOCALE_IO dummy; // Use the standard notation for double numbers
GERBER_PLOTTER plotter;
// Gerber drill file imply X2 format:
plotter.UseX2Attributes( true );
plotter.UseX2NetAttributes( true );
// Add the standard X2 header, without FileFunction
AddGerberX2Header( &plotter, m_pcb );
plotter.SetViewport( m_offset, IU_PER_MILS/10, /* scale */ 1.0, /* mirror */false );
// has meaning only for gerber plotter. Must be called only after SetViewport
plotter.SetGerberCoordinatesFormat( 6 );
plotter.SetCreator( wxT( "PCBNEW" ) );
// Add the standard X2 FileFunction for drill files
// %TF.FileFunction,Plated[NonPlated],layer1num,layer2num,PTH[NPTH][Blind][Buried],Drill[Route][Mixed]*%
wxString text( "%TF.FileFunction," );
if( aIsNpth )
text << "NonPlated,";
else
text << "Plated,";
// In Gerber files, layers num are 1 to copper layer count instead of F_Cu to B_Cu
// (0 to copper layer count-1)
// Note also for a n copper layers board, gerber layers num are 1 ... n
aLayer1 += 1;
if( aLayer2 == B_Cu )
aLayer2 = m_pcb->GetCopperLayerCount();
else
aLayer2 += 1;
text << aLayer1 << ",";
text << aLayer2 << ",";
// Now add PTH or NPTH or Blind or Buried attribute
int toplayer = 1;
int bottomlayer = m_pcb->GetCopperLayerCount();
if( aIsNpth )
text << "NPTH";
else if( aLayer1 == toplayer && aLayer2 == bottomlayer )
text << "PTH";
else if( aLayer1 == toplayer || aLayer2 == bottomlayer )
text << "Blind";
else
text << "Buried";
// Now add Drill or Route or Mixed:
// file containing only round holes have Drill attribute
// file containing only oblong holes have Routed attribute
// file containing both holes have Mixed attribute
bool hasOblong = false;
bool hasDrill = false;
for( unsigned ii = 0; ii < m_holeListBuffer.size(); ii++ )
{
HOLE_INFO& hole_descr = m_holeListBuffer[ii];
if( hole_descr.m_Hole_Shape ) // m_Hole_Shape not 0 is an oblong hole)
hasOblong = true;
else
hasDrill = true;
}
if( hasOblong && hasDrill )
text << ",Mixed";
else if( hasDrill )
text << ",Drill";
else if( hasOblong )
text << ",Route";
// else: empty file.
// End of .FileFunction attribute:
text << "*%";
plotter.AddLineToHeader( text );
// Add file polarity (positive)
text = "%TF.FilePolarity,Positive*%";
plotter.AddLineToHeader( text );
if( !plotter.OpenFile( aFullFilename ) )
return -1;
plotter.StartPlot();
holes_count = 0;
wxPoint hole_pos;
bool last_item_is_via = true; // a flag to clear object attributes when a via hole is created.
for( unsigned ii = 0; ii < m_holeListBuffer.size(); ii++ )
{
HOLE_INFO& hole_descr = m_holeListBuffer[ii];
hole_pos = hole_descr.m_Hole_Pos;
// Manage the aperture attributes: in drill files 3 attributes can be used:
// "ViaDrill", only for vias, not pads
// "ComponentDrill", only for Through Holes pads
// "Slot" for oblong holes;
GBR_METADATA gbr_metadata;
if( dyn_cast<const VIA*>(hole_descr.m_ItemParent ) )
{
gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_VIADRILL );
if( !last_item_is_via )
{
// be sure the current object attribute is cleared for vias
plotter.EndBlock( NULL );
}
last_item_is_via = true;
}
else if( dyn_cast<const D_PAD*>( hole_descr.m_ItemParent ) )
{
last_item_is_via = false;
if( hole_descr.m_Hole_Shape )
gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_SLOTDRILL );
else
gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_COMPONENTDRILL );
// Add object attribute: component reference to pads (mainly usefull for users)
const D_PAD* pad = dyn_cast<const D_PAD*>( hole_descr.m_ItemParent );
wxString ref = pad->GetParent()->GetReference();
#if 0 // Set to 1 to force a dummy reference for the parent pad.
if( ref.IsEmpty() )
ref = "<undefinedref>";
#endif
gbr_metadata.SetCmpReference( ref );
gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_CMP );
}
if( hole_descr.m_Hole_Shape )
{
#if 0 // set to 1 to use flashed oblong holes.
// Currently not possible for hole orient != 0 or 90 deg
// Use flashed oblong hole
plotter.FlashPadOval( hole_pos, hole_descr.m_Hole_Size,
hole_descr.m_Hole_Orient, FILLED, &gbr_metadata );
#else
// Use routing for oblong hole (Slots)
wxPoint start, end;
convertOblong2Segment( hole_descr.m_Hole_Size,
hole_descr.m_Hole_Orient, start, end );
int width = std::min( hole_descr.m_Hole_Size.x, hole_descr.m_Hole_Size.y );
if ( width == 0 )
continue;
plotter.ThickSegment( start+hole_pos, end+hole_pos,
width, FILLED, &gbr_metadata );
#endif
}
else
{
int diam = std::min( hole_descr.m_Hole_Size.x, hole_descr.m_Hole_Size.y );
plotter.FlashPadCircle( hole_pos, diam, FILLED, &gbr_metadata );
}
holes_count++;
}
plotter.EndPlot();
return holes_count;
}
void convertOblong2Segment( wxSize aSize, double aOrient, wxPoint& aStart, wxPoint& aEnd )
{
wxSize size( aSize );
double orient = aOrient;
/* The pad will be drawn as an oblong shape with size.y > size.x
* (Oval vertical orientation 0)
*/
if( size.x > size.y )
{
std::swap( size.x, size.y );
orient = AddAngles( orient, 900 );
}
int deltaxy = size.y - size.x; // distance between centers of the oval
int cx = 0;
int cy = deltaxy / 2;
RotatePoint( &cx, &cy, orient );
aStart = wxPoint( cx, cy );
cx = 0; cy = -deltaxy / 2;
RotatePoint( &cx, &cy, orient );
aEnd = wxPoint( cx, cy );
}
void GERBER_WRITER::SetFormat( int aRightDigits )
{
/* Set conversion scale depending on drill file units */
m_conversionUnits = 1.0 / IU_PER_MM; // Gerber units = mm
// Set precison (unit is mm).
m_precision.m_lhs = 4;
m_precision.m_rhs = aRightDigits == 6 ? 6 : 5;
}
const wxString GERBER_WRITER::getDrillFileName( DRILL_LAYER_PAIR aPair, bool aNPTH,
bool aMerge_PTH_NPTH ) const
{
// Gerber files extension is always .gbr.
// Therefore, to mark drill files, add "-drl" to the filename.
wxFileName fname( GENDRILL_WRITER_BASE::getDrillFileName( aPair, aNPTH, aMerge_PTH_NPTH ) );
fname.SetName( fname.GetName() + "-drl" );
return fname.GetFullPath();
}
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