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kicad/common/plotters/GERBER_plotter.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2020 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 GERBER_plotter.cpp
* @brief specialized plotter for GERBER files format
*/
#include <fctsys.h>
#include <gr_basic.h>
#include <trigo.h>
#include <eda_base_frame.h>
#include <base_struct.h>
#include <common.h>
#include <plotter.h>
#include <macros.h>
#include <kicad_string.h>
#include <convert_basic_shapes_to_polygon.h>
#include <build_version.h>
#include <gbr_metadata.h>
GERBER_PLOTTER::GERBER_PLOTTER()
{
workFile = NULL;
finalFile = NULL;
currentAperture = apertures.end();
m_apertureAttribute = 0;
// number of digits after the point (number of digits of the mantissa
// Be carefull: the Gerber coordinates are stored in an integer
// so 6 digits (inches) or 5 digits (mm) is a good value
// To avoid overflow, 7 digits (inches) or 6 digits is a max.
// with lower values than 6 digits (inches) or 5 digits (mm),
// Creating self-intersecting polygons from non-intersecting polygons
// happen easily.
m_gerberUnitInch = false;
m_gerberUnitFmt = 6;
m_useX2format = true;
m_useNetAttributes = true;
}
void GERBER_PLOTTER::SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
double aScale, bool aMirror )
{
wxASSERT( aMirror == false );
m_plotMirror = false;
plotOffset = aOffset;
wxASSERT( aScale == 1 ); // aScale parameter is not used in Gerber
plotScale = 1; // Plot scale is *always* 1.0
m_IUsPerDecimil = aIusPerDecimil;
// gives now a default value to iuPerDeviceUnit (because the units of the caller is now known)
// which could be modified later by calling SetGerberCoordinatesFormat()
iuPerDeviceUnit = pow( 10.0, m_gerberUnitFmt ) / ( m_IUsPerDecimil * 10000.0 );
// We don't handle the filmbox, and it's more useful to keep the
// origin at the origin
paperSize.x = 0;
paperSize.y = 0;
SetDefaultLineWidth( 100 * aIusPerDecimil ); // Arbitrary default
}
void GERBER_PLOTTER::SetGerberCoordinatesFormat( int aResolution, bool aUseInches )
{
m_gerberUnitInch = aUseInches;
m_gerberUnitFmt = aResolution;
iuPerDeviceUnit = pow( 10.0, m_gerberUnitFmt ) / ( m_IUsPerDecimil * 10000.0 );
if( ! m_gerberUnitInch )
iuPerDeviceUnit *= 25.4; // gerber output in mm
}
void GERBER_PLOTTER::emitDcode( const DPOINT& pt, int dcode )
{
fprintf( outputFile, "X%dY%dD%02d*\n",
KiROUND( pt.x ), KiROUND( pt.y ), dcode );
}
void GERBER_PLOTTER::clearNetAttribute()
{
// disable a Gerber net attribute (exists only in X2 with net attributes mode).
if( m_objectAttributesDictionnary.empty() ) // No net attribute or not X2 mode
return;
// Remove all net attributes from object attributes dictionnary
if( m_useX2format )
fputs( "%TD*%\n", outputFile );
else
fputs( "G04 #@! TD*\n", outputFile );
m_objectAttributesDictionnary.clear();
}
void GERBER_PLOTTER::StartBlock( void* aData )
{
// Currently, it is the same as EndBlock(): clear all aperture net attributes
EndBlock( aData );
}
void GERBER_PLOTTER::EndBlock( void* aData )
{
// Remove all net attributes from object attributes dictionnary
clearNetAttribute();
}
void GERBER_PLOTTER::formatNetAttribute( GBR_NETLIST_METADATA* aData )
{
// print a Gerber net attribute record.
// it is added to the object attributes dictionnary
// On file, only modified or new attributes are printed.
if( aData == NULL )
return;
if( !m_useNetAttributes )
return;
bool useX1StructuredComment = !m_useX2format;
bool clearDict;
std::string short_attribute_string;
if( !FormatNetAttribute( short_attribute_string, m_objectAttributesDictionnary,
aData, clearDict, useX1StructuredComment ) )
return;
if( clearDict )
clearNetAttribute();
if( !short_attribute_string.empty() )
fputs( short_attribute_string.c_str(), outputFile );
}
bool GERBER_PLOTTER::StartPlot()
{
wxASSERT( outputFile );
finalFile = outputFile; // the actual gerber file will be created later
// Create a temporary filename to store gerber file
// note tmpfile() does not work under Vista and W7 in user mode
m_workFilename = filename + wxT(".tmp");
workFile = wxFopen( m_workFilename, wxT( "wt" ));
outputFile = workFile;
wxASSERT( outputFile );
if( outputFile == NULL )
return false;
for( unsigned ii = 0; ii < m_headerExtraLines.GetCount(); ii++ )
{
if( ! m_headerExtraLines[ii].IsEmpty() )
fprintf( outputFile, "%s\n", TO_UTF8( m_headerExtraLines[ii] ) );
}
// Set coordinate format to 3.6 or 4.5 absolute, leading zero omitted
// the number of digits for the integer part of coordintes is needed
// in gerber format, but is not very important when omitting leading zeros
// It is fixed here to 3 (inch) or 4 (mm), but is not actually used
int leadingDigitCount = m_gerberUnitInch ? 3 : 4;
fprintf( outputFile, "%%FSLAX%d%dY%d%d*%%\n",
leadingDigitCount, m_gerberUnitFmt,
leadingDigitCount, m_gerberUnitFmt );
fprintf( outputFile,
"G04 Gerber Fmt %d.%d, Leading zero omitted, Abs format (unit %s)*\n",
leadingDigitCount, m_gerberUnitFmt,
m_gerberUnitInch ? "inch" : "mm" );
wxString Title = creator + wxT( " " ) + GetBuildVersion();
// In gerber files, ASCII7 chars only are allowed.
// So use a ISO date format (using a space as separator between date and time),
// not a localized date format
wxDateTime date = wxDateTime::Now();
fprintf( outputFile, "G04 Created by KiCad (%s) date %s*\n",
TO_UTF8( Title ), TO_UTF8( date.FormatISOCombined( ' ') ) );
/* Mass parameter: unit = INCHES/MM */
if( m_gerberUnitInch )
fputs( "%MOIN*%\n", outputFile );
else
fputs( "%MOMM*%\n", outputFile );
// Be sure the usual dark polarity is selected:
fputs( "%LPD*%\n", outputFile );
// Set initial interpolation mode: always G01 (linear):
fputs( "G01*\n", outputFile );
// Set aperture list starting point:
fputs( "G04 APERTURE LIST*\n", outputFile );
return true;
}
bool GERBER_PLOTTER::EndPlot()
{
char line[1024];
wxString msg;
wxASSERT( outputFile );
/* Outfile is actually a temporary file i.e. workFile */
fputs( "M02*\n", outputFile );
fflush( outputFile );
fclose( workFile );
workFile = wxFopen( m_workFilename, wxT( "rt" ));
wxASSERT( workFile );
outputFile = finalFile;
// Placement of apertures in RS274X
while( fgets( line, 1024, workFile ) )
{
fputs( line, outputFile );
if( strcmp( strtok( line, "\n\r" ), "G04 APERTURE LIST*" ) == 0 )
{
writeApertureList();
fputs( "G04 APERTURE END LIST*\n", outputFile );
}
}
fclose( workFile );
fclose( finalFile );
::wxRemoveFile( m_workFilename );
outputFile = 0;
return true;
}
void GERBER_PLOTTER::SetDefaultLineWidth( int width )
{
defaultPenWidth = width;
currentAperture = apertures.end();
}
void GERBER_PLOTTER::SetCurrentLineWidth( int width, void* aData )
{
if( width == DO_NOT_SET_LINE_WIDTH )
return;
int pen_width;
if( width > 0 )
pen_width = width;
else
pen_width = defaultPenWidth;
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
int aperture_attribute = gbr_metadata ? gbr_metadata->GetApertureAttrib() : 0;
selectAperture( wxSize( pen_width, pen_width ), APERTURE::Plotting, aperture_attribute );
currentPenWidth = pen_width;
}
std::vector<APERTURE>::iterator GERBER_PLOTTER::getAperture( const wxSize& aSize,
APERTURE::APERTURE_TYPE aType, int aApertureAttribute )
{
int last_D_code = 9;
// Search an existing aperture
std::vector<APERTURE>::iterator tool = apertures.begin();
while( tool != apertures.end() )
{
last_D_code = tool->m_DCode;
if( (tool->m_Type == aType) && (tool->m_Size == aSize) &&
(tool->m_ApertureAttribute == aApertureAttribute) )
return tool;
++tool;
}
// Allocate a new aperture
APERTURE new_tool;
new_tool.m_Size = aSize;
new_tool.m_Type = aType;
new_tool.m_DCode = last_D_code + 1;
new_tool.m_ApertureAttribute = aApertureAttribute;
apertures.push_back( new_tool );
return apertures.end() - 1;
}
void GERBER_PLOTTER::selectAperture( const wxSize& aSize,
APERTURE::APERTURE_TYPE aType,
int aApertureAttribute )
{
bool change = ( currentAperture == apertures.end() ) ||
( currentAperture->m_Type != aType ) ||
( currentAperture->m_Size != aSize );
change = change || ( currentAperture->m_ApertureAttribute != aApertureAttribute );
if( change )
{
// Pick an existing aperture or create a new one
currentAperture = getAperture( aSize, aType, aApertureAttribute );
fprintf( outputFile, "D%d*\n", currentAperture->m_DCode );
}
}
void GERBER_PLOTTER::writeApertureList()
{
wxASSERT( outputFile );
char cbuf[1024];
bool useX1StructuredComment = false;
if( !m_useX2format )
useX1StructuredComment = true;
// Init
for( std::vector<APERTURE>::iterator tool = apertures.begin();
tool != apertures.end(); ++tool )
{
// apertude sizes are in inch or mm, regardless the
// coordinates format
double fscale = 0.0001 * plotScale / m_IUsPerDecimil; // inches
if(! m_gerberUnitInch )
fscale *= 25.4; // size in mm
int attribute = tool->m_ApertureAttribute;
if( attribute != m_apertureAttribute )
{
fputs( GBR_APERTURE_METADATA::FormatAttribute(
(GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB) attribute,
useX1StructuredComment ).c_str(), outputFile );
}
char* text = cbuf + sprintf( cbuf, "%%ADD%d", tool->m_DCode );
/* Please note: the Gerber specs for mass parameters say that
exponential syntax is *not* allowed and the decimal point should
also be always inserted. So the %g format is ruled out, but %f is fine
(the # modifier forces the decimal point). Sadly the %f formatter
can't remove trailing zeros but thats not a problem, since nothing
forbid it (the file is only slightly longer) */
switch( tool->m_Type )
{
case APERTURE::Circle:
sprintf( text, "C,%#f*%%\n", tool->m_Size.x * fscale );
break;
case APERTURE::Rect:
sprintf( text, "R,%#fX%#f*%%\n",
tool->m_Size.x * fscale,
tool->m_Size.y * fscale );
break;
case APERTURE::Plotting:
sprintf( text, "C,%#f*%%\n", tool->m_Size.x * fscale );
break;
case APERTURE::Oval:
sprintf( text, "O,%#fX%#f*%%\n",
tool->m_Size.x * fscale,
tool->m_Size.y * fscale );
break;
}
fputs( cbuf, outputFile );
m_apertureAttribute = attribute;
// Currently reset the aperture attribute. Perhaps a better optimization
// is to store the last attribute
if( attribute )
{
if( m_useX2format )
fputs( "%TD*%\n", outputFile );
else
fputs( "G04 #@! TD*\n", outputFile );
m_apertureAttribute = 0;
}
}
}
void GERBER_PLOTTER::PenTo( const wxPoint& aPos, char plume )
{
wxASSERT( outputFile );
DPOINT pos_dev = userToDeviceCoordinates( aPos );
switch( plume )
{
case 'Z':
break;
case 'U':
emitDcode( pos_dev, 2 );
break;
case 'D':
emitDcode( pos_dev, 1 );
}
penState = plume;
}
void GERBER_PLOTTER::Rect( const wxPoint& p1, const wxPoint& p2, FILL_T fill, int width )
{
std::vector< wxPoint > cornerList;
// Build corners list
cornerList.push_back( p1 );
wxPoint corner(p1.x, p2.y);
cornerList.push_back( corner );
cornerList.push_back( p2 );
corner.x = p2.x;
corner.y = p1.y;
cornerList.push_back( corner );
cornerList.push_back( p1 );
PlotPoly( cornerList, fill, width );
}
void GERBER_PLOTTER::Circle( const wxPoint& aCenter, int aDiameter, FILL_T aFill, int aWidth )
{
Arc( aCenter, 0, 3600, aDiameter / 2, aFill, aWidth );
}
void GERBER_PLOTTER::Arc( const wxPoint& aCenter, double aStAngle, double aEndAngle,
int aRadius, FILL_T aFill, int aWidth )
{
SetCurrentLineWidth( aWidth );
// aFill is not used here.
plotArc( aCenter, aStAngle, aEndAngle, aRadius, false );
}
void GERBER_PLOTTER::plotArc( const wxPoint& aCenter, double aStAngle, double aEndAngle,
int aRadius, bool aPlotInRegion )
{
wxPoint start, end;
start.x = aCenter.x + KiROUND( cosdecideg( aRadius, aStAngle ) );
start.y = aCenter.y - KiROUND( sindecideg( aRadius, aStAngle ) );
if( !aPlotInRegion )
MoveTo( start );
else
LineTo( start );
end.x = aCenter.x + KiROUND( cosdecideg( aRadius, aEndAngle ) );
end.y = aCenter.y - KiROUND( sindecideg( aRadius, aEndAngle ) );
DPOINT devEnd = userToDeviceCoordinates( end );
DPOINT devCenter = userToDeviceCoordinates( aCenter ) - userToDeviceCoordinates( start );
fprintf( outputFile, "G75*\n" ); // Multiquadrant (360 degrees) mode
if( aStAngle < aEndAngle )
fprintf( outputFile, "G03*\n" ); // Active circular interpolation, CCW
else
fprintf( outputFile, "G02*\n" ); // Active circular interpolation, CW
fprintf( outputFile, "X%dY%dI%dJ%dD01*\n",
KiROUND( devEnd.x ), KiROUND( devEnd.y ),
KiROUND( devCenter.x ), KiROUND( devCenter.y ) );
fprintf( outputFile, "G01*\n" ); // Back to linear interpol (perhaps useless here).
}
void GERBER_PLOTTER::PlotGerberRegion( const std::vector< wxPoint >& aCornerList,
void * aData )
{
if( aCornerList.size() <= 2 )
return;
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
bool clearTA_AperFunction = false; // true if a TA.AperFunction is used
if( gbr_metadata )
{
std::string attrib = gbr_metadata->m_ApertureMetadata.FormatAttribute( !m_useX2format );
if( !attrib.empty() )
{
fputs( attrib.c_str(), outputFile );
clearTA_AperFunction = true;
}
}
PlotPoly( aCornerList, FILLED_SHAPE, 0 , gbr_metadata );
// Clear the TA attribute, to avoid the next item to inherit it:
if( clearTA_AperFunction )
{
if( m_useX2format )
{
fputs( "%TD.AperFunction*%\n", outputFile );
}
else
{
fputs( "G04 #@! TD.AperFunction*\n", outputFile );
}
}
}
void GERBER_PLOTTER::PlotPoly( const std::vector< wxPoint >& aCornerList,
FILL_T aFill, int aWidth, void * aData )
{
if( aCornerList.size() <= 1 )
return;
// Gerber format does not know filled polygons with thick outline
// Therefore, to plot a filled polygon with outline having a thickness,
// one should plot outline as thick segments
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
SetCurrentLineWidth( aWidth, gbr_metadata );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
if( aFill )
{
fputs( "G36*\n", outputFile );
MoveTo( aCornerList[0] );
fputs( "G01*\n", outputFile ); // Set linear interpolation.
for( unsigned ii = 1; ii < aCornerList.size(); ii++ )
LineTo( aCornerList[ii] );
// If the polygon is not closed, close it:
if( aCornerList[0] != aCornerList[aCornerList.size()-1] )
FinishTo( aCornerList[0] );
fputs( "G37*\n", outputFile );
}
if( aWidth > 0 )
{
MoveTo( aCornerList[0] );
for( unsigned ii = 1; ii < aCornerList.size(); ii++ )
LineTo( aCornerList[ii] );
// Ensure the thick outline is closed for filled polygons
// (if not filled, could be only a polyline)
if( aFill && ( aCornerList[aCornerList.size()-1] != aCornerList[0] ) )
LineTo( aCornerList[0] );
PenFinish();
}
}
void GERBER_PLOTTER::ThickSegment( const wxPoint& start, const wxPoint& end, int width,
EDA_DRAW_MODE_T tracemode, void* aData )
{
if( tracemode == FILLED )
{
GBR_METADATA *gbr_metadata = static_cast<GBR_METADATA*>( aData );
SetCurrentLineWidth( width, gbr_metadata );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
MoveTo( start );
FinishTo( end );
}
else
{
SetCurrentLineWidth( USE_DEFAULT_LINE_WIDTH );
segmentAsOval( start, end, width, tracemode );
}
}
void GERBER_PLOTTER::ThickArc( const wxPoint& centre, double StAngle, double EndAngle,
int radius, int width, EDA_DRAW_MODE_T tracemode, void* aData )
{
GBR_METADATA *gbr_metadata = static_cast<GBR_METADATA*>( aData );
SetCurrentLineWidth( width, gbr_metadata );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
if( tracemode == FILLED )
Arc( centre, StAngle, EndAngle, radius, NO_FILL, DO_NOT_SET_LINE_WIDTH );
else
{
SetCurrentLineWidth( USE_DEFAULT_LINE_WIDTH );
Arc( centre, StAngle, EndAngle,
radius - ( width - currentPenWidth ) / 2,
NO_FILL, DO_NOT_SET_LINE_WIDTH );
Arc( centre, StAngle, EndAngle,
radius + ( width - currentPenWidth ) / 2, NO_FILL,
DO_NOT_SET_LINE_WIDTH );
}
}
void GERBER_PLOTTER::ThickRect( const wxPoint& p1, const wxPoint& p2, int width,
EDA_DRAW_MODE_T tracemode, void* aData )
{
GBR_METADATA *gbr_metadata = static_cast<GBR_METADATA*>( aData );
SetCurrentLineWidth( width, gbr_metadata );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
if( tracemode == FILLED )
Rect( p1, p2, NO_FILL, DO_NOT_SET_LINE_WIDTH );
else
{
SetCurrentLineWidth( USE_DEFAULT_LINE_WIDTH );
wxPoint offsetp1( p1.x - (width - currentPenWidth) / 2,
p1.y - (width - currentPenWidth) / 2 );
wxPoint offsetp2( p2.x + (width - currentPenWidth) / 2,
p2.y + (width - currentPenWidth) / 2 );
Rect( offsetp1, offsetp2, NO_FILL, -1 );
offsetp1.x += (width - currentPenWidth);
offsetp1.y += (width - currentPenWidth);
offsetp2.x -= (width - currentPenWidth);
offsetp2.y -= (width - currentPenWidth);
Rect( offsetp1, offsetp2, NO_FILL, DO_NOT_SET_LINE_WIDTH );
}
}
void GERBER_PLOTTER::ThickCircle( const wxPoint& pos, int diametre, int width,
EDA_DRAW_MODE_T tracemode, void* aData )
{
GBR_METADATA *gbr_metadata = static_cast<GBR_METADATA*>( aData );
SetCurrentLineWidth( width, gbr_metadata );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
if( tracemode == FILLED )
Circle( pos, diametre, NO_FILL, DO_NOT_SET_LINE_WIDTH );
else
{
SetCurrentLineWidth( USE_DEFAULT_LINE_WIDTH, gbr_metadata );
Circle( pos, diametre - (width - currentPenWidth),
NO_FILL, DO_NOT_SET_LINE_WIDTH );
Circle( pos, diametre + (width - currentPenWidth),
NO_FILL, DO_NOT_SET_LINE_WIDTH );
}
}
void GERBER_PLOTTER::FlashPadCircle( const wxPoint& pos, int diametre, EDA_DRAW_MODE_T trace_mode, void* aData )
{
wxSize size( diametre, diametre );
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
if( trace_mode == SKETCH )
{
SetCurrentLineWidth( USE_DEFAULT_LINE_WIDTH, gbr_metadata );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
Circle( pos, diametre - currentPenWidth, NO_FILL, DO_NOT_SET_LINE_WIDTH );
}
else
{
DPOINT pos_dev = userToDeviceCoordinates( pos );
int aperture_attrib = gbr_metadata ? gbr_metadata->GetApertureAttrib() : 0;
selectAperture( size, APERTURE::Circle, aperture_attrib );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
emitDcode( pos_dev, 3 );
}
}
void GERBER_PLOTTER::FlashPadOval( const wxPoint& pos, const wxSize& aSize, double orient,
EDA_DRAW_MODE_T trace_mode, void* aData )
{
wxASSERT( outputFile );
wxSize size( aSize );
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
// Flash a vertical or horizontal shape (this is a basic aperture).
if( ( orient == 0 || orient == 900 || orient == 1800 || orient == 2700 )
&& trace_mode == FILLED )
{
if( orient == 900 || orient == 2700 ) /* orientation turned 90 deg. */
std::swap( size.x, size.y );
DPOINT pos_dev = userToDeviceCoordinates( pos );
int aperture_attrib = gbr_metadata ? gbr_metadata->GetApertureAttrib() : 0;
selectAperture( size, APERTURE::Oval, aperture_attrib );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
emitDcode( pos_dev, 3 );
}
else // Plot pad as region.
// Only regions and flashed items accept a object attribute TO.P for the pin name
{
if( trace_mode == FILLED )
{
// Draw the oval as round rect pad with a radius = 50% min size)
// In gerber file, it will be drawn as a region with arcs, and can be
// detected as pads (similar to a flashed pad)
FlashPadRoundRect( pos, aSize, std::min( aSize.x, aSize.y ) /2,
orient, FILLED, aData );
}
else // Non filled shape: plot outlines:
{
if( size.x > size.y )
{
std::swap( size.x, size.y );
if( orient < 2700 )
orient += 900;
else
orient -= 2700;
}
sketchOval( pos, size, orient, -1 );
}
}
}
void GERBER_PLOTTER::FlashPadRect( const wxPoint& pos, const wxSize& aSize,
double orient, EDA_DRAW_MODE_T trace_mode, void* aData )
{
wxASSERT( outputFile );
wxSize size( aSize );
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
// Plot as an aperture flash
switch( int( orient ) )
{
case 900:
case 2700: // rotation of 90 degrees or 270 swaps sizes
std::swap( size.x, size.y );
// Pass through
case 0:
case 1800:
if( trace_mode == SKETCH )
{
SetCurrentLineWidth( USE_DEFAULT_LINE_WIDTH, gbr_metadata );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
Rect( wxPoint( pos.x - (size.x - currentPenWidth) / 2,
pos.y - (size.y - currentPenWidth) / 2 ),
wxPoint( pos.x + (size.x - currentPenWidth) / 2,
pos.y + (size.y - currentPenWidth) / 2 ),
NO_FILL, GetCurrentLineWidth() );
}
else
{
DPOINT pos_dev = userToDeviceCoordinates( pos );
int aperture_attrib = gbr_metadata ? gbr_metadata->GetApertureAttrib() : 0;
selectAperture( size, APERTURE::Rect, aperture_attrib );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
emitDcode( pos_dev, 3 );
}
break;
default: // plot pad shape as polygon
{
// XXX to do: use an aperture macro to declare the rotated pad
wxPoint coord[4];
// coord[0] is assumed the lower left
// coord[1] is assumed the upper left
// coord[2] is assumed the upper right
// coord[3] is assumed the lower right
/* Trace the outline. */
coord[0].x = -size.x/2; // lower left
coord[0].y = size.y/2;
coord[1].x = -size.x/2; // upper left
coord[1].y = -size.y/2;
coord[2].x = size.x/2; // upper right
coord[2].y = -size.y/2;
coord[3].x = size.x/2; // lower right
coord[3].y = size.y/2;
FlashPadTrapez( pos, coord, orient, trace_mode, aData );
}
break;
}
}
void GERBER_PLOTTER::FlashPadRoundRect( const wxPoint& aPadPos, const wxSize& aSize,
int aCornerRadius, double aOrient,
EDA_DRAW_MODE_T aTraceMode, void* aData )
{
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
if( aTraceMode != FILLED )
{
SHAPE_POLY_SET outline;
const int segmentToCircleCount = 64;
TransformRoundRectToPolygon( outline, aPadPos, aSize, aOrient,
aCornerRadius, segmentToCircleCount );
SetCurrentLineWidth( USE_DEFAULT_LINE_WIDTH, &gbr_metadata );
outline.Inflate( -GetCurrentLineWidth()/2, 16 );
std::vector< wxPoint > cornerList;
// TransformRoundRectToPolygon creates only one convex polygon
SHAPE_LINE_CHAIN& poly = outline.Outline( 0 );
cornerList.reserve( poly.PointCount() + 1 );
for( int ii = 0; ii < poly.PointCount(); ++ii )
cornerList.emplace_back( poly.CPoint( ii ).x, poly.CPoint( ii ).y );
// Close polygon
cornerList.push_back( cornerList[0] );
// plot outlines
PlotPoly( cornerList, NO_FILL, GetCurrentLineWidth(), gbr_metadata );
}
else
{
// A Pad RoundRect is plotted as a Gerber region.
// Initialize region metadata:
bool clearTA_AperFunction = false; // true if a TA.AperFunction is used
if( gbr_metadata )
{
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
std::string attrib = gbr_metadata->m_ApertureMetadata.FormatAttribute( !m_useX2format );
if( !attrib.empty() )
{
fputs( attrib.c_str(), outputFile );
clearTA_AperFunction = true;
}
}
// Plot the region using arcs in corners.
plotRoundRectAsRegion( aPadPos, aSize, aCornerRadius, aOrient );
// Clear the TA attribute, to avoid the next item to inherit it:
if( clearTA_AperFunction )
{
if( m_useX2format )
{
fputs( "%TD.AperFunction*%\n", outputFile );
}
else
{
fputs( "G04 #@! TD.AperFunction*\n", outputFile );
}
}
}
}
void GERBER_PLOTTER::plotRoundRectAsRegion( const wxPoint& aRectCenter, const wxSize& aSize,
int aCornerRadius, double aOrient )
{
// The region outline is generated by 4 sides and 4 90 deg arcs
// 1 --- 2
// | c |
// 4 --- 3
// Note also in user coordinates the Y axis is from top to bottom
// for historical reasons.
// A helper structure to handle outlines coordinates (segments and arcs)
// in user coordinates
struct RR_EDGE
{
wxPoint m_start;
wxPoint m_end;
wxPoint m_center;
// in decidegrees: angle start. angle end = m_arc_angle_start+arc_angle
double m_arc_angle_start;
};
const double arc_angle = -900.0; // in decidegrees
int hsizeX = aSize.x/2;
int hsizeY = aSize.y/2;
RR_EDGE curr_edge;
std::vector<RR_EDGE> rr_outline;
// Build outline coordinates, relative to rectangle center, rotation 0:
// Top left corner 1 (and 4 to 1 left vertical side @ x=-hsizeX)
curr_edge.m_start.x = -hsizeX;
curr_edge.m_start.y = hsizeY - aCornerRadius;
curr_edge.m_end.x = curr_edge.m_start.x;
curr_edge.m_end.y = -hsizeY + aCornerRadius;
curr_edge.m_center.x = -hsizeX + aCornerRadius;
curr_edge.m_center.y = curr_edge.m_end.y;
curr_edge.m_arc_angle_start = aOrient + 1800.0; // En decidegree
rr_outline.push_back( curr_edge );
// Top right corner 2 (and 1 to 2 top horizontal side @ y=-hsizeY)
curr_edge.m_start.x = -hsizeX + aCornerRadius;
curr_edge.m_start.y = -hsizeY;
curr_edge.m_end.x = hsizeX - aCornerRadius;
curr_edge.m_end.y = curr_edge.m_start.y;
curr_edge.m_center.x = curr_edge.m_end.x;
curr_edge.m_center.y = -hsizeY + aCornerRadius;
curr_edge.m_arc_angle_start = aOrient + 900.0; // En decidegree
rr_outline.push_back( curr_edge );
// bottom right corner 3 (and 2 to 3 right vertical side @ x=hsizeX)
curr_edge.m_start.x = hsizeX;
curr_edge.m_start.y = -hsizeY + aCornerRadius;
curr_edge.m_end.x = curr_edge.m_start.x;
curr_edge.m_end.y = hsizeY - aCornerRadius;
curr_edge.m_center.x = hsizeX - aCornerRadius;
curr_edge.m_center.y = curr_edge.m_end.y;
curr_edge.m_arc_angle_start = aOrient + 0.0; // En decidegree
rr_outline.push_back( curr_edge );
// bottom left corner 4 (and 3 to 4 bottom horizontal side @ y=hsizeY)
curr_edge.m_start.x = hsizeX - aCornerRadius;
curr_edge.m_start.y = hsizeY;
curr_edge.m_end.x = -hsizeX + aCornerRadius;
curr_edge.m_end.y = curr_edge.m_start.y;
curr_edge.m_center.x = curr_edge.m_end.x;
curr_edge.m_center.y = hsizeY - aCornerRadius;
curr_edge.m_arc_angle_start = aOrient - 900.0; // En decidegree
rr_outline.push_back( curr_edge );
// Move relative coordinates to the actual location and rotation:
wxPoint arc_last_center;
int arc_last_angle = curr_edge.m_arc_angle_start+arc_angle;
for( RR_EDGE& rr_edge: rr_outline )
{
RotatePoint( &rr_edge.m_start, aOrient );
RotatePoint( &rr_edge.m_end, aOrient );
RotatePoint( &rr_edge.m_center, aOrient );
rr_edge.m_start += aRectCenter;
rr_edge.m_end += aRectCenter;
rr_edge.m_center += aRectCenter;
arc_last_center = rr_edge.m_center;
}
// Ensure the region is a closed polygon, i.e. the end point of last segment
// (end of arc) is the same as the first point. Rounding issues can create a
// small difference, mainly for rotated pads.
// calculate last point (end of last arc):
wxPoint last_pt;
last_pt.x = arc_last_center.x + KiROUND( cosdecideg( aCornerRadius, arc_last_angle ) );
last_pt.y = arc_last_center.y - KiROUND( sindecideg( aCornerRadius, arc_last_angle ) );
wxPoint first_pt = rr_outline[0].m_start;
#if 0 // For test only:
if( last_pt != first_pt )
wxLogMessage( "first pt %d %d last pt %d %d",
first_pt.x, first_pt.y, last_pt.x, last_pt.y );
#endif
fputs( "G36*\n", outputFile ); // Start region
fputs( "G01*\n", outputFile ); // Set linear interpolation.
first_pt = last_pt;
MoveTo( first_pt ); // Start point of region, must be same as end point
for( RR_EDGE& rr_edge: rr_outline )
{
if( aCornerRadius ) // Guard: ensure we do not create arcs with radius = 0
{
// LineTo( rr_edge.m_end ); // made in plotArc()
plotArc( rr_edge.m_center,
rr_edge.m_arc_angle_start, rr_edge.m_arc_angle_start+arc_angle,
aCornerRadius, true );
}
else
LineTo( rr_edge.m_end );
}
fputs( "G37*\n", outputFile ); // Close region
}
void GERBER_PLOTTER::FlashPadCustom( const wxPoint& aPadPos, const wxSize& aSize,
SHAPE_POLY_SET* aPolygons,
EDA_DRAW_MODE_T aTraceMode, void* aData )
{
// A Pad custom is plotted as Gerber region.
GBR_METADATA gbr_metadata;
if( aData )
gbr_metadata = *static_cast<GBR_METADATA*>( aData );
SHAPE_POLY_SET polyshape = *aPolygons;
if( aTraceMode != FILLED )
{
SetCurrentLineWidth( USE_DEFAULT_LINE_WIDTH, &gbr_metadata );
polyshape.Inflate( -GetCurrentLineWidth()/2, 16 );
}
std::vector< wxPoint > cornerList;
for( int cnt = 0; cnt < polyshape.OutlineCount(); ++cnt )
{
SHAPE_LINE_CHAIN& poly = polyshape.Outline( cnt );
cornerList.clear();
for( int ii = 0; ii < poly.PointCount(); ++ii )
cornerList.push_back( wxPoint( poly.Point( ii ).x, poly.Point( ii ).y ) );
// Close polygon
cornerList.push_back( cornerList[0] );
if( aTraceMode == SKETCH )
PlotPoly( cornerList, NO_FILL, GetCurrentLineWidth(), &gbr_metadata );
else
PlotGerberRegion( cornerList, &gbr_metadata );
}
}
void GERBER_PLOTTER::FlashPadTrapez( const wxPoint& aPadPos, const wxPoint* aCorners,
double aPadOrient, EDA_DRAW_MODE_T aTrace_Mode, void* aData )
{
// Currently, a Pad Trapezoid is plotted as polygon.
// TODO: use Aperture macro and flash it
// polygon corners list
std::vector< wxPoint > cornerList;
for( int ii = 0; ii < 4; ii++ )
cornerList.push_back( aCorners[ii] );
// Draw the polygon and fill the interior as required
for( unsigned ii = 0; ii < 4; ii++ )
{
RotatePoint( &cornerList[ii], aPadOrient );
cornerList[ii] += aPadPos;
}
// Close the polygon
cornerList.push_back( cornerList[0] );
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
GBR_METADATA metadata;
if( gbr_metadata )
metadata = *gbr_metadata;
if( aTrace_Mode == SKETCH )
PlotPoly( cornerList, NO_FILL, USE_DEFAULT_LINE_WIDTH, &metadata );
else
PlotGerberRegion( cornerList, &metadata );
}
void GERBER_PLOTTER::Text( const wxPoint& aPos, const COLOR4D aColor,
const wxString& aText, double aOrient, const wxSize& aSize,
enum EDA_TEXT_HJUSTIFY_T aH_justify, enum EDA_TEXT_VJUSTIFY_T aV_justify,
int aWidth, bool aItalic, bool aBold, bool aMultilineAllowed,
void* aData )
{
GBR_METADATA* gbr_metadata = static_cast<GBR_METADATA*>( aData );
if( gbr_metadata )
formatNetAttribute( &gbr_metadata->m_NetlistMetadata );
PLOTTER::Text( aPos, aColor, aText, aOrient, aSize,
aH_justify, aV_justify, aWidth, aItalic, aBold, aMultilineAllowed, aData );
}
void GERBER_PLOTTER::SetLayerPolarity( bool aPositive )
{
if( aPositive )
fprintf( outputFile, "%%LPD*%%\n" );
else
fprintf( outputFile, "%%LPC*%%\n" );
}
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