plot_brditems_plotter.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2023 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 <algorithm> // for min
#include <bitset> // for bitset, operator&, __bi...
#include <math.h> // for abs
#include <stddef.h> // for NULL, size_t
 
#include <geometry/seg.h> // for SEG
#include <geometry/shape_circle.h>
#include <geometry/shape_line_chain.h> // for SHAPE_LINE_CHAIN
#include <geometry/shape_poly_set.h> // for SHAPE_POLY_SET, SHAPE_P...
#include <geometry/shape_segment.h>
#include <string_utils.h>
#include <macros.h>
#include <math/util.h> // for KiROUND, Clamp
#include <math/vector2d.h> // for VECTOR2I
#include <plotters/plotter_gerber.h>
#include <trigo.h>
#include <callback_gal.h>
 
#include <board_design_settings.h> // for BOARD_DESIGN_SETTINGS
#include <core/typeinfo.h> // for dyn_cast, PCB_DIMENSION_T
#include <gbr_metadata.h>
#include <gbr_netlist_metadata.h> // for GBR_NETLIST_METADATA
#include <layer_ids.h> // for LSET, IsCopperLayer
#include <pad_shapes.h> // for PAD_ATTRIB::NPTH
#include <pcbplot.h>
#include <pcb_plot_params.h> // for PCB_PLOT_PARAMS, PCB_PL...
#include <advanced_config.h>
 
#include <board.h>
#include <board_item.h> // for BOARD_ITEM, S_CIRCLE
#include <pcb_dimension.h>
#include <pcb_shape.h>
#include <fp_shape.h>
#include <footprint.h>
#include <fp_text.h>
#include <fp_textbox.h>
#include <pcb_track.h>
#include <pad.h>
#include <pcb_target.h>
#include <pcb_text.h>
#include <pcb_textbox.h>
#include <zone.h>
 
#include <wx/debug.h> // for wxASSERT_MSG
 
 
COLOR4D BRDITEMS_PLOTTER::getColor( int aLayer ) const
{
 COLOR4D color = ColorSettings()->GetColor( aLayer );
 
 // A hack to avoid plotting a white item in white color, expecting the paper
 // is also white: use a non white color:
 if( color == COLOR4D::WHITE )
 color = COLOR4D( LIGHTGRAY );
 
 return color;
}
 
 
void BRDITEMS_PLOTTER::PlotPad( const PAD* aPad, const COLOR4D& aColor, OUTLINE_MODE aPlotMode )
{
 VECTOR2I shape_pos = aPad->ShapePos();
 GBR_METADATA gbr_metadata;
 
 bool plotOnCopperLayer = ( m_layerMask & LSET::AllCuMask() ).any();
 bool plotOnExternalCopperLayer = ( m_layerMask & LSET::ExternalCuMask() ).any();
 
 // Pad not on the solder mask layer cannot be soldered.
 // therefore it can have a specific aperture attribute.
 // Not yet in use.
 // bool isPadOnBoardTechLayers = ( aPad->GetLayerSet() & LSET::AllBoardTechMask() ).any();
 
 gbr_metadata.SetCmpReference( aPad->GetParent()->GetReference() );
 
 if( plotOnCopperLayer )
 {
 gbr_metadata.SetNetAttribType( GBR_NETINFO_ALL );
 gbr_metadata.SetCopper( true );
 
 // Gives a default attribute, for instance for pads used as tracks in net ties:
 // Connector pads and SMD pads are on external layers
 // if on internal layers, they are certainly used as net tie
 // and are similar to tracks: just conductor items
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CONDUCTOR );
 
 const bool useUTF8 = false;
 const bool useQuoting = false;
 gbr_metadata.SetPadName( aPad->GetNumber(), useUTF8, useQuoting );
 
 if( !aPad->GetNumber().IsEmpty() )
 gbr_metadata.SetPadPinFunction( aPad->GetPinFunction(), useUTF8, useQuoting );
 
 gbr_metadata.SetNetName( aPad->GetNetname() );
 
 // Some pads are mechanical pads ( through hole or smd )
  // when this is the case, they have no pad name and/or are not plated.
 // In this case gerber files have slightly different attributes.
 if( aPad->GetAttribute() == PAD_ATTRIB::NPTH || aPad->GetNumber().IsEmpty() )
 gbr_metadata.m_NetlistMetadata.m_NotInNet = true;
 
 if( !plotOnExternalCopperLayer )
 {
 // the .P object attribute (GBR_NETLIST_METADATA::GBR_NETINFO_PAD)
 // is used on outer layers, unless the component is embedded
 // or a "etched" component (fp only drawn, not a physical component)
 // Currently, Pcbnew does not handle embedded component, so we disable the .P
 // attribute on internal layers
 // Note the Gerber doc is not really clear about through holes pads about the .P
 gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_NET |
 GBR_NETLIST_METADATA::GBR_NETINFO_CMP );
 
 }
 
 // Some attributes are reserved to the external copper layers:
 // GBR_APERTURE_ATTRIB_CONNECTORPAD and GBR_APERTURE_ATTRIB_SMDPAD_CUDEF
 // for instance.
 // Pad with type PAD_ATTRIB::CONN or PAD_ATTRIB::SMD that is not on outer layer
 // has its aperture attribute set to GBR_APERTURE_ATTRIB_CONDUCTOR
 switch( aPad->GetAttribute() )
 {
 case PAD_ATTRIB::NPTH: // Mechanical pad through hole
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_WASHERPAD );
 break;
 
 case PAD_ATTRIB::PTH : // Pad through hole, a hole is also expected
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_COMPONENTPAD );
 break;
 
 case PAD_ATTRIB::CONN: // Connector pads, no solder paste but with solder mask.
 if( plotOnExternalCopperLayer )
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CONNECTORPAD );
 break;
 
 case PAD_ATTRIB::SMD: // SMD pads (on external copper layer only)
 // with solder paste and mask
 if( plotOnExternalCopperLayer )
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_SMDPAD_CUDEF );
 break;
 }
 
 // Fabrication properties can have specific GBR_APERTURE_METADATA options
 // that replace previous aperture attribute:
 switch( aPad->GetProperty() )
 {
 case PAD_PROP::BGA: // Only applicable to outer layers
 if( plotOnExternalCopperLayer )
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_BGAPAD_CUDEF );
 break;
 
 case PAD_PROP::FIDUCIAL_GLBL:
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_FIDUCIAL_GLBL );
 break;
 
 case PAD_PROP::FIDUCIAL_LOCAL:
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_FIDUCIAL_LOCAL );
 break;
 
 case PAD_PROP::TESTPOINT: // Only applicable to outer layers
 if( plotOnExternalCopperLayer )
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_TESTPOINT );
 break;
 
 case PAD_PROP::HEATSINK:
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_HEATSINKPAD );
 break;
 
 case PAD_PROP::CASTELLATED:
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CASTELLATEDPAD );
 break;
 
 case PAD_PROP::NONE:
 break;
 }
 
 // Ensure NPTH pads have *always* the GBR_APERTURE_ATTRIB_WASHERPAD attribute
 if( aPad->GetAttribute() == PAD_ATTRIB::NPTH )
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_WASHERPAD );
 }
 else
 {
 gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_CMP );
 }
 
 // Set plot color (change WHITE to LIGHTGRAY because
 // the white items are not seen on a white paper or screen
 m_plotter->SetColor( aColor != WHITE ? aColor : LIGHTGRAY);
 
 if( aPlotMode == SKETCH )
 m_plotter->SetCurrentLineWidth( GetSketchPadLineWidth(), &gbr_metadata );
 
 switch( aPad->GetShape() )
 {
 case PAD_SHAPE::CIRCLE:
 m_plotter->FlashPadCircle( shape_pos, aPad->GetSize().x, aPlotMode, &gbr_metadata );
 break;
 
 case PAD_SHAPE::OVAL:
 m_plotter->FlashPadOval( shape_pos, aPad->GetSize(), aPad->GetOrientation(), aPlotMode,
 &gbr_metadata );
 break;
 
 case PAD_SHAPE::RECT:
 m_plotter->FlashPadRect( shape_pos, aPad->GetSize(), aPad->GetOrientation(), aPlotMode,
 &gbr_metadata );
 break;
 
 case PAD_SHAPE::ROUNDRECT:
 m_plotter->FlashPadRoundRect( shape_pos, aPad->GetSize(), aPad->GetRoundRectCornerRadius(),
 aPad->GetOrientation(), aPlotMode, &gbr_metadata );
 break;
 
 case PAD_SHAPE::TRAPEZOID:
 {
 // Build the pad polygon in coordinates relative to the pad
 // (i.e. for a pad at pos 0,0, rot 0.0). Needed to use aperture macros,
 // to be able to create a pattern common to all trapezoid pads having the same shape
 VECTOR2I coord[4];
 
 // Order is lower left, lower right, upper right, upper left.
 VECTOR2I half_size = aPad->GetSize() / 2;
 VECTOR2I trap_delta = aPad->GetDelta() / 2;
 
 coord[0] = VECTOR2I( -half_size.x - trap_delta.y, half_size.y + trap_delta.x );
 coord[1] = VECTOR2I( half_size.x + trap_delta.y, half_size.y - trap_delta.x );
 coord[2] = VECTOR2I( half_size.x - trap_delta.y, -half_size.y + trap_delta.x );
 coord[3] = VECTOR2I( -half_size.x + trap_delta.y, -half_size.y - trap_delta.x );
 
 m_plotter->FlashPadTrapez( shape_pos, coord, aPad->GetOrientation(), aPlotMode,
 &gbr_metadata );
 }
 break;
 
 case PAD_SHAPE::CHAMFERED_RECT:
 if( m_plotter->GetPlotterType() == PLOT_FORMAT::GERBER )
 {
 GERBER_PLOTTER* gerberPlotter = static_cast<GERBER_PLOTTER*>( m_plotter );
 
 gerberPlotter->FlashPadChamferRoundRect( shape_pos, aPad->GetSize(),
 aPad->GetRoundRectCornerRadius(),
 aPad->GetChamferRectRatio(),
 aPad->GetChamferPositions(),
 aPad->GetOrientation(), aPlotMode,
 &gbr_metadata );
 break;
 }
 
 KI_FALLTHROUGH;
 
 default:
 case PAD_SHAPE::CUSTOM:
 {
 const std::shared_ptr<SHAPE_POLY_SET>& polygons = aPad->GetEffectivePolygon();
 
 if( polygons->OutlineCount() )
 {
 m_plotter->FlashPadCustom( shape_pos, aPad->GetSize(), aPad->GetOrientation(),
 polygons.get(), aPlotMode, &gbr_metadata );
 }
 }
 break;
 }
}
 
 
void BRDITEMS_PLOTTER::PlotFootprintTextItems( const FOOTPRINT* aFootprint )
{
 const FP_TEXT* textItem = &aFootprint->Reference();
 int textLayer = textItem->GetLayer();
 
 // Reference and value are specific items, not in graphic items list
 if( GetPlotReference() && m_layerMask[textLayer]
 && ( textItem->IsVisible() || GetPlotInvisibleText() ) )
 {
 PlotFootprintTextItem( textItem, getColor( textLayer ) );
 }
 
 textItem = &aFootprint->Value();
 textLayer = textItem->GetLayer();
 
 if( GetPlotValue() && m_layerMask[textLayer]
 && ( textItem->IsVisible() || GetPlotInvisibleText() ) )
 {
 PlotFootprintTextItem( textItem, getColor( textLayer ) );
 }
 
 for( const BOARD_ITEM* item : aFootprint->GraphicalItems() )
 {
 textItem = dyn_cast<const FP_TEXT*>( item );
 
 if( !textItem )
 continue;
 
 if( !textItem->IsVisible() )
 continue;
 
 textLayer = textItem->GetLayer();
 
 if( textLayer == Edge_Cuts || textLayer >= PCB_LAYER_ID_COUNT )
 continue;
 
 if( !m_layerMask[textLayer] || aFootprint->GetPrivateLayers().test( textLayer ) )
 continue;
 
 if( textItem->GetText() == wxT( "${REFERENCE}" ) && !GetPlotReference() )
 continue;
 
 if( textItem->GetText() == wxT( "${VALUE}" ) && !GetPlotValue() )
 continue;
 
 PlotFootprintTextItem( textItem, getColor( textLayer ) );
 }
}
 
 
void BRDITEMS_PLOTTER::PlotPcbGraphicItem( const BOARD_ITEM* item )
{
 switch( item->Type() )
 {
 case PCB_SHAPE_T:
 PlotPcbShape( static_cast<const PCB_SHAPE*>( item ) );
 break;
 
 case PCB_TEXT_T:
 {
 const PCB_TEXT* text = static_cast<const PCB_TEXT*>( item );
 PlotPcbText( text, text->GetLayer(), text->IsKnockout() );
 break;
 }
 
 case PCB_TEXTBOX_T:
 {
 const PCB_TEXTBOX* textbox = static_cast<const PCB_TEXTBOX*>( item );
 PlotPcbText( textbox, textbox->GetLayer(), textbox->IsKnockout() );
 PlotPcbShape( textbox );
 break;
 }
 
 case PCB_DIM_ALIGNED_T:
 case PCB_DIM_CENTER_T:
 case PCB_DIM_RADIAL_T:
 case PCB_DIM_ORTHOGONAL_T:
 case PCB_DIM_LEADER_T:
 PlotDimension( static_cast<const PCB_DIMENSION_BASE*>( item ) );
 break;
 
 case PCB_TARGET_T:
 PlotPcbTarget( static_cast<const PCB_TARGET*>( item ) );
 break;
 
 default:
 break;
 }
}
 
 
void BRDITEMS_PLOTTER::PlotBoardGraphicItems()
{
 for( const BOARD_ITEM* item : m_board->Drawings() )
 PlotPcbGraphicItem( item );
}
 
 
void BRDITEMS_PLOTTER::PlotFootprintTextItem( const FP_TEXT* aText, const COLOR4D& aColor )
{
 COLOR4D color = aColor;
 
 if( aColor == COLOR4D::WHITE )
 color = COLOR4D( LIGHTGRAY );
 
 m_plotter->SetColor( color );
 
 // calculate some text parameters :
 //VECTOR2I size = aText->GetTextSize();
 VECTOR2I pos = aText->GetTextPos();
 int thickness = aText->GetEffectiveTextPenWidth();
 KIFONT::FONT* font = aText->GetFont();
 
 if( !font )
 {
 font = KIFONT::FONT::GetFont( m_plotter->RenderSettings()
 ? m_plotter->RenderSettings()->GetDefaultFont()
 : wxString( wxEmptyString ),
 aText->IsBold(), aText->IsItalic() );
 }
 
 // Non bold texts thickness is clamped at 1/6 char size by the low level draw function.
 // but in Pcbnew we do not manage bold texts and thickness up to 1/4 char size
 // (like bold text) and we manage the thickness.
 // So we set bold flag to true
 TEXT_ATTRIBUTES attrs = aText->GetAttributes();
 attrs.m_StrokeWidth = thickness;
 attrs.m_Angle = aText->GetDrawRotation();
 attrs.m_Bold = true;
 attrs.m_Multiline = false;
 
 GBR_METADATA gbr_metadata;
 
 if( IsCopperLayer( aText->GetLayer() ) )
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_NONCONDUCTOR );
 
 gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_CMP );
 const FOOTPRINT* parent = static_cast<const FOOTPRINT*> ( aText->GetParent() );
 gbr_metadata.SetCmpReference( parent->GetReference() );
 
 m_plotter->SetCurrentLineWidth( thickness );
 
 if( aText->IsKnockout() )
 {
 KIGFX::GAL_DISPLAY_OPTIONS empty_opts;
 SHAPE_POLY_SET knockouts;
 
 CALLBACK_GAL callback_gal( empty_opts,
 // Polygon callback
 [&]( const SHAPE_LINE_CHAIN& aPoly )
 {
 knockouts.AddOutline( aPoly );
 } );
 
 callback_gal.SetIsFill( font->IsOutline() );
 callback_gal.SetIsStroke( font->IsStroke() );
 font->Draw( &callback_gal, aText->GetShownText(), aText->GetDrawPos(), attrs );
 
 SHAPE_POLY_SET finalPoly;
 int margin = attrs.m_StrokeWidth * 1.5
 + GetKnockoutTextMargin( attrs.m_Size, attrs.m_StrokeWidth );
 
 aText->TransformBoundingBoxToPolygon( &finalPoly, margin );
 finalPoly.BooleanSubtract( knockouts, SHAPE_POLY_SET::PM_FAST );
 finalPoly.Fracture( SHAPE_POLY_SET::PM_FAST );
 
 for( int ii = 0; ii < finalPoly.OutlineCount(); ++ii )
 m_plotter->PlotPoly( finalPoly.Outline( ii ), FILL_T::FILLED_SHAPE, 0, &gbr_metadata );
 }
 else
 m_plotter->PlotText( pos, aColor, aText->GetShownText(), attrs, font, &gbr_metadata );
}
 
 
void BRDITEMS_PLOTTER::PlotDimension( const PCB_DIMENSION_BASE* aDim )
{
 if( !m_layerMask[aDim->GetLayer()] )
 return;
 
 PCB_SHAPE draw;
 
 draw.SetStroke( STROKE_PARAMS( aDim->GetLineThickness(), PLOT_DASH_TYPE::SOLID ) );
 draw.SetLayer( aDim->GetLayer() );
 
 COLOR4D color = ColorSettings()->GetColor( aDim->GetLayer() );
 
 // Set plot color (change WHITE to LIGHTGRAY because
 // the white items are not seen on a white paper or screen
 m_plotter->SetColor( color != WHITE ? color : LIGHTGRAY);
 
 PlotPcbText( aDim, aDim->GetLayer(), false );
 
 for( const std::shared_ptr<SHAPE>& shape : aDim->GetShapes() )
 {
 switch( shape->Type() )
 {
 case SH_SEGMENT:
 {
 const SEG& seg = static_cast<const SHAPE_SEGMENT*>( shape.get() )->GetSeg();
 
 draw.SetShape( SHAPE_T::SEGMENT );
 draw.SetStart( seg.A );
 draw.SetEnd( seg.B );
 
 PlotPcbShape( &draw );
 break;
 }
 
 case SH_CIRCLE:
 {
 VECTOR2I start( shape->Centre() );
 int radius = static_cast<const SHAPE_CIRCLE*>( shape.get() )->GetRadius();
 
 draw.SetShape( SHAPE_T::CIRCLE );
 draw.SetFilled( false );
 draw.SetStart( start );
 draw.SetEnd( VECTOR2I( start.x + radius, start.y ) );
 
 PlotPcbShape( &draw );
 break;
 }
 
 default:
 break;
 }
 }
}
 
 
void BRDITEMS_PLOTTER::PlotPcbTarget( const PCB_TARGET* aMire )
{
 int dx1, dx2, dy1, dy2, radius;
 
 if( !m_layerMask[aMire->GetLayer()] )
 return;
 
 m_plotter->SetColor( getColor( aMire->GetLayer() ) );
 
 PCB_SHAPE draw;
 
 draw.SetShape( SHAPE_T::CIRCLE );
 draw.SetFilled( false );
 draw.SetStroke( STROKE_PARAMS( aMire->GetWidth(), PLOT_DASH_TYPE::SOLID ) );
 draw.SetLayer( aMire->GetLayer() );
 draw.SetStart( aMire->GetPosition() );
 radius = aMire->GetSize() / 3;
 
 if( aMire->GetShape() ) // shape X
 radius = aMire->GetSize() / 2;
 
 // Draw the circle
 draw.SetEnd( VECTOR2I( draw.GetStart().x + radius, draw.GetStart().y ) );
 
 PlotPcbShape( &draw );
 
 draw.SetShape( SHAPE_T::SEGMENT );
 
 radius = aMire->GetSize() / 2;
 dx1 = radius;
 dy1 = 0;
 dx2 = 0;
 dy2 = radius;
 
 if( aMire->GetShape() ) // Shape X
 {
 dx1 = dy1 = radius;
 dx2 = dx1;
 dy2 = -dy1;
 }
 
 VECTOR2I mirePos( aMire->GetPosition() );
 
 // Draw the X or + shape:
 draw.SetStart( VECTOR2I( mirePos.x - dx1, mirePos.y - dy1 ) );
 draw.SetEnd( VECTOR2I( mirePos.x + dx1, mirePos.y + dy1 ) );
 PlotPcbShape( &draw );
 
 draw.SetStart( VECTOR2I( mirePos.x - dx2, mirePos.y - dy2 ) );
 draw.SetEnd( VECTOR2I( mirePos.x + dx2, mirePos.y + dy2 ) );
 PlotPcbShape( &draw );
}
 
 
void BRDITEMS_PLOTTER::PlotFootprintGraphicItems( const FOOTPRINT* aFootprint )
{
 for( const BOARD_ITEM* item : aFootprint->GraphicalItems() )
 {
 if( aFootprint->GetPrivateLayers().test( item->GetLayer() ) )
 continue;
 
 switch( item->Type() )
 {
 case PCB_FP_SHAPE_T:
 {
 const FP_SHAPE* shape = static_cast<const FP_SHAPE*>( item );
 
 if( m_layerMask[ shape->GetLayer() ] )
 PlotFootprintShape( shape );
 
 break;
 }
 
 case PCB_FP_TEXTBOX_T:
 {
 const FP_TEXTBOX* textbox = static_cast<const FP_TEXTBOX*>( item );
 
 if( m_layerMask[ textbox->GetLayer() ] )
 {
 PlotPcbText( textbox, textbox->GetLayer(), textbox->IsKnockout() );
 PlotFootprintShape( textbox );
 }
 
 break;
 }
 
 case PCB_FP_DIM_ALIGNED_T:
 case PCB_FP_DIM_CENTER_T:
 case PCB_FP_DIM_RADIAL_T:
 case PCB_FP_DIM_ORTHOGONAL_T:
 case PCB_FP_DIM_LEADER_T:
 {
 const PCB_DIMENSION_BASE* dimension = static_cast<const PCB_DIMENSION_BASE*>( item );
 
 if( m_layerMask[ dimension->GetLayer() ] )
 PlotDimension( dimension );
 
 break;
 }
 
 case PCB_FP_TEXT_T:
 // Plotted in PlotFootprintTextItem()
 break;
 
 default:
 UNIMPLEMENTED_FOR( item->GetClass() );
 }
 }
}
 
 
void BRDITEMS_PLOTTER::PlotFootprintShape( const FP_SHAPE* aShape )
{
 m_plotter->SetColor( getColor( aShape->GetLayer() ) );
 
 bool sketch = GetPlotMode() == SKETCH;
 int thickness = aShape->GetWidth();
 
 GBR_METADATA gbr_metadata;
 gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_CMP );
 const FOOTPRINT* parent = static_cast<const FOOTPRINT*> ( aShape->GetParent() );
 gbr_metadata.SetCmpReference( parent->GetReference() );
 
 bool isOnCopperLayer = ( m_layerMask & LSET::AllCuMask() ).any();
 
 if( aShape->GetLayer() == Edge_Cuts ) // happens also when plotting copper layers
 {
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_EDGECUT );
 }
 else if( isOnCopperLayer ) // only for items not on Edge_Cuts.
 {
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_ETCHEDCMP );
 gbr_metadata.SetCopper( true );
 }
 
 int radius; // Circle/arc radius.
 PLOT_DASH_TYPE lineStyle = aShape->GetStroke().GetPlotStyle();
 
 if( lineStyle <= PLOT_DASH_TYPE::FIRST_TYPE )
 {
 switch( aShape->GetShape() )
 {
 case SHAPE_T::SEGMENT:
 m_plotter->ThickSegment( aShape->GetStart(), aShape->GetEnd(), thickness, GetPlotMode(),
 &gbr_metadata );
 break;
 
 case SHAPE_T::RECT:
 {
 std::vector<VECTOR2I> pts = aShape->GetRectCorners();
 
 if( sketch || thickness > 0 )
 {
 m_plotter->ThickSegment( pts[0], pts[1], thickness, GetPlotMode(), &gbr_metadata );
 m_plotter->ThickSegment( pts[1], pts[2], thickness, GetPlotMode(), &gbr_metadata );
 m_plotter->ThickSegment( pts[2], pts[3], thickness, GetPlotMode(), &gbr_metadata );
 m_plotter->ThickSegment( pts[3], pts[0], thickness, GetPlotMode(), &gbr_metadata );
 }
 
 if( !sketch && aShape->IsFilled() )
 {
 SHAPE_LINE_CHAIN poly;
 
 for( const VECTOR2I& pt : pts )
 poly.Append( pt );
 
 m_plotter->PlotPoly( poly, FILL_T::FILLED_SHAPE, -1, &gbr_metadata );
 }
 }
 break;
 
 case SHAPE_T::CIRCLE:
 radius = KiROUND( GetLineLength( aShape->GetStart(), aShape->GetEnd() ) );
 
 if( aShape->IsFilled() )
 {
 m_plotter->FilledCircle( aShape->GetStart(), radius * 2 + thickness, GetPlotMode(),
 &gbr_metadata );
 }
 else
 {
 m_plotter->ThickCircle( aShape->GetStart(), radius * 2, thickness, GetPlotMode(),
 &gbr_metadata );
 }
 
 break;
 
 case SHAPE_T::ARC:
 {
 radius = KiROUND( GetLineLength( aShape->GetCenter(), aShape->GetStart() ) );
 
 // when startAngle == endAngle ThickArc() doesn't know whether it's 0 deg and 360 deg
 // but it is a circle
 if( std::abs( aShape->GetArcAngle().AsDegrees() ) == 360.0 )
 {
 m_plotter->ThickCircle( aShape->GetCenter(), radius * 2, thickness, GetPlotMode(),
 &gbr_metadata );
 }
 else
 {
 m_plotter->ThickArc( *aShape, GetPlotMode(), &gbr_metadata );
 }
 }
 break;
 
 case SHAPE_T::POLY:
 if( aShape->IsPolyShapeValid() )
 {
 std::vector<VECTOR2I> cornerList;
 aShape->DupPolyPointsList( cornerList );
 
 // We must compute board coordinates from m_PolyList which are relative to the parent
 // position at orientation 0
 const FOOTPRINT *parentFootprint = aShape->GetParentFootprint();
 
 if( parentFootprint )
 {
 for( unsigned ii = 0; ii < cornerList.size(); ++ii )
 {
 RotatePoint( cornerList[ii], parentFootprint->GetOrientation() );
 cornerList[ii] += parentFootprint->GetPosition();
 }
 }
 
 if( sketch )
 {
 for( size_t i = 1; i < cornerList.size(); i++ )
 {
 m_plotter->ThickSegment( cornerList[i - 1], cornerList[i], thickness,
 GetPlotMode(), &gbr_metadata );
 }
 
 m_plotter->ThickSegment( cornerList.back(), cornerList.front(), thickness,
 GetPlotMode(), &gbr_metadata );
 
 }
 else
 {
 // This must be simplified and fractured to prevent overlapping polygons
 // from generating invalid Gerber files
 
 SHAPE_LINE_CHAIN line( cornerList );
 SHAPE_POLY_SET tmpPoly;
 
 line.SetClosed( true );
 tmpPoly.AddOutline( line );
 tmpPoly.Fracture( SHAPE_POLY_SET::PM_FAST );
 
 for( int jj = 0; jj < tmpPoly.OutlineCount(); ++jj )
 {
 SHAPE_LINE_CHAIN& poly = tmpPoly.Outline( jj );
 FILL_T fill_mode = aShape->IsFilled() ? FILL_T::FILLED_SHAPE
 : FILL_T::NO_FILL;
 // Plot the current filled area
 // (as region for Gerber plotter to manage attributes)
 if( m_plotter->GetPlotterType() == PLOT_FORMAT::GERBER )
 {
 static_cast<GERBER_PLOTTER*>( m_plotter )->
 PlotPolyAsRegion( poly, fill_mode,
 thickness, &gbr_metadata );
 }
 else
 m_plotter->PlotPoly( poly, fill_mode,
 thickness, &gbr_metadata );
 }
 }
 }
 
 break;
 
 case SHAPE_T::BEZIER:
 m_plotter->BezierCurve( aShape->GetStart(), aShape->GetBezierC1(),
 aShape->GetBezierC2(), aShape->GetEnd(), 0, thickness );
 break;
 
 default:
 wxASSERT_MSG( false, wxT( "Unhandled FP_SHAPE shape" ) );
 break;
 }
 }
 else
 {
 std::vector<SHAPE*> shapes = aShape->MakeEffectiveShapes( true );
 
 for( SHAPE* shape : shapes )
 {
 STROKE_PARAMS::Stroke( shape, lineStyle, thickness, m_plotter->RenderSettings(),
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 m_plotter->ThickSegment( a, b, thickness, GetPlotMode(),
 &gbr_metadata );
 } );
 }
 
 for( SHAPE* shape : shapes )
 delete shape;
 }
}
 
 
#include <font/stroke_font.h>
void BRDITEMS_PLOTTER::PlotPcbText( const EDA_TEXT* aText, PCB_LAYER_ID aLayer, bool aIsKnockout )
{
 KIFONT::FONT* font = aText->GetFont();
 
 if( !font )
 {
 font = KIFONT::FONT::GetFont( m_plotter->RenderSettings()
 ? m_plotter->RenderSettings()->GetDefaultFont()
 : wxString( wxEmptyString ),
 aText->IsBold(), aText->IsItalic() );
 }
 
 wxString shownText( aText->GetShownText() );
 
 if( shownText.IsEmpty() )
 return;
 
 if( !m_layerMask[aLayer] )
 return;
 
 GBR_METADATA gbr_metadata;
 
 if( IsCopperLayer( aLayer ) )
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_NONCONDUCTOR );
 
 COLOR4D color = getColor( aLayer );
 m_plotter->SetColor( color );
 
 //VECTOR2I size = aText->GetTextSize();
 VECTOR2I pos = aText->GetTextPos();
 
 TEXT_ATTRIBUTES attrs = aText->GetAttributes();
 attrs.m_StrokeWidth = aText->GetEffectiveTextPenWidth();
 attrs.m_Angle = aText->GetDrawRotation();
 attrs.m_Multiline = false;
 
 //if( aText->IsMirrored() )
 // size.x = -size.x;
 
 m_plotter->SetCurrentLineWidth( attrs.m_StrokeWidth );
 
 if( aIsKnockout )
 {
 KIGFX::GAL_DISPLAY_OPTIONS empty_opts;
 SHAPE_POLY_SET knockouts;
 
 CALLBACK_GAL callback_gal( empty_opts,
 // Polygon callback
 [&]( const SHAPE_LINE_CHAIN& aPoly )
 {
 knockouts.AddOutline( aPoly );
 } );
 
 callback_gal.SetIsFill( font->IsOutline() );
 callback_gal.SetIsStroke( font->IsStroke() );
 font->Draw( &callback_gal, shownText, aText->GetDrawPos(), attrs );
 
 SHAPE_POLY_SET finalPoly;
 int margin = attrs.m_StrokeWidth * 1.5
 + GetKnockoutTextMargin( attrs.m_Size, attrs.m_StrokeWidth );
 
 aText->TransformBoundingBoxToPolygon( &finalPoly, margin );
 finalPoly.BooleanSubtract( knockouts, SHAPE_POLY_SET::PM_FAST );
 finalPoly.Fracture( SHAPE_POLY_SET::PM_FAST );
 
 for( int ii = 0; ii < finalPoly.OutlineCount(); ++ii )
 m_plotter->PlotPoly( finalPoly.Outline( ii ), FILL_T::FILLED_SHAPE, 0, &gbr_metadata );
 }
 else if( aText->IsMultilineAllowed() )
 {
 std::vector<VECTOR2I> positions;
 wxArrayString strings_list;
 wxStringSplit( shownText, strings_list, '\n' );
 positions.reserve( strings_list.Count() );
 
 aText->GetLinePositions( positions, strings_list.Count() );
 
 for( unsigned ii = 0; ii < strings_list.Count(); ii++ )
 {
 wxString& txt = strings_list.Item( ii );
 m_plotter->PlotText( positions[ii], color, txt, attrs, font, &gbr_metadata );
 }
 }
 else
 {
 m_plotter->PlotText( pos, color, shownText, attrs, font, &gbr_metadata );
 }
}
 
 
void BRDITEMS_PLOTTER::PlotFilledAreas( const ZONE* aZone, PCB_LAYER_ID aLayer,
 const SHAPE_POLY_SET& polysList )
{
 if( polysList.IsEmpty() )
 return;
 
 GBR_METADATA gbr_metadata;
 
 bool isOnCopperLayer = aZone->IsOnCopperLayer();
 
 if( isOnCopperLayer )
 {
 gbr_metadata.SetNetName( aZone->GetNetname() );
 gbr_metadata.SetCopper( true );
 
 // Zones with no net name can exist.
 // they are not used to connect items, so the aperture attribute cannot
 // be set as conductor
 if( aZone->GetNetname().IsEmpty() )
 {
 gbr_metadata.SetApertureAttrib(
 GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_NONCONDUCTOR );
 }
 else
 {
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CONDUCTOR );
 gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_NET );
 }
 }
 
 m_plotter->SetColor( getColor( aLayer ) );
 
 m_plotter->StartBlock( nullptr ); // Clean current object attributes
 
 /*
 * In non filled mode the outline is plotted, but not the filling items
 */
 
 for( int idx = 0; idx < polysList.OutlineCount(); ++idx )
 {
 const SHAPE_LINE_CHAIN& outline = polysList.Outline( idx );
 
 // Plot the current filled area (as region for Gerber plotter to manage attributes)
 if( GetPlotMode() == FILLED )
 {
 if( m_plotter->GetPlotterType() == PLOT_FORMAT::GERBER )
 {
 static_cast<GERBER_PLOTTER*>( m_plotter )->PlotGerberRegion( outline,
 &gbr_metadata );
 }
 else
 {
 m_plotter->PlotPoly( outline, FILL_T::FILLED_SHAPE, 0, &gbr_metadata );
 }
 }
 else
 {
 m_plotter->SetCurrentLineWidth( -1 );
 }
 }
 
 m_plotter->EndBlock( nullptr ); // Clear object attributes
}
 
 
void BRDITEMS_PLOTTER::PlotPcbShape( const PCB_SHAPE* aShape )
{
 if( !m_layerMask[aShape->GetLayer()] )
 return;
 
 bool sketch = GetPlotMode() == SKETCH;
 int thickness = aShape->GetWidth();
 PLOT_DASH_TYPE lineStyle = aShape->GetStroke().GetPlotStyle();
 
 m_plotter->SetColor( getColor( aShape->GetLayer() ) );
 
 GBR_METADATA gbr_metadata;
 
 if( aShape->GetLayer() == Edge_Cuts )
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_EDGECUT );
 
 if( IsCopperLayer( aShape->GetLayer() ) )
 // Graphic items (PCB_SHAPE, TEXT) having no net have the NonConductor attribute
 // Graphic items having a net have the Conductor attribute, but are not (yet?)
 // supported in Pcbnew
 gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_NONCONDUCTOR );
 
 if( lineStyle <= PLOT_DASH_TYPE::FIRST_TYPE )
 {
 switch( aShape->GetShape() )
 {
 case SHAPE_T::SEGMENT:
 m_plotter->ThickSegment( aShape->GetStart(), aShape->GetEnd(), thickness, GetPlotMode(),
 &gbr_metadata );
 break;
 
 case SHAPE_T::CIRCLE:
 if( aShape->IsFilled() )
 {
 m_plotter->FilledCircle( aShape->GetStart(), aShape->GetRadius() * 2 + thickness,
 GetPlotMode(), &gbr_metadata );
 }
 else
 {
 m_plotter->ThickCircle( aShape->GetStart(), aShape->GetRadius() * 2, thickness,
 GetPlotMode(), &gbr_metadata );
 }
 
 break;
 
 case SHAPE_T::ARC:
 {
 // when startAngle == endAngle ThickArc() doesn't know whether it's 0 deg and 360 deg
 // but it is a circle
 if( std::abs( aShape->GetArcAngle().AsDegrees() ) == 360.0 )
 {
 m_plotter->ThickCircle( aShape->GetCenter(), aShape->GetRadius() * 2, thickness,
 GetPlotMode(), &gbr_metadata );
 }
 else
 {
 m_plotter->ThickArc( *aShape, GetPlotMode(), &gbr_metadata );
 }
 
 break;
 }
 
 case SHAPE_T::BEZIER:
 m_plotter->BezierCurve( aShape->GetStart(), aShape->GetBezierC1(),
 aShape->GetBezierC2(), aShape->GetEnd(), 0, thickness );
 break;
 
 case SHAPE_T::POLY:
 if( aShape->IsPolyShapeValid() )
 {
 if( sketch )
 {
 for( auto it = aShape->GetPolyShape().CIterateSegments( 0 ); it; it++ )
 {
 auto seg = it.Get();
 m_plotter->ThickSegment( seg.A, seg.B, thickness, GetPlotMode(),
 &gbr_metadata );
 }
 }
 else
 {
 m_plotter->SetCurrentLineWidth( thickness, &gbr_metadata );
 
 // Draw the polygon: only one polygon is expected
 // However we provide a multi polygon shape drawing
 // ( for the future or to show a non expected shape )
 // This must be simplified and fractured to prevent overlapping polygons
 // from generating invalid Gerber files
 SHAPE_POLY_SET tmpPoly = aShape->GetPolyShape().CloneDropTriangulation();
 tmpPoly.Fracture( SHAPE_POLY_SET::PM_FAST );
 FILL_T fill = aShape->IsFilled() ? FILL_T::FILLED_SHAPE : FILL_T::NO_FILL;
 
 for( int jj = 0; jj < tmpPoly.OutlineCount(); ++jj )
 {
 SHAPE_LINE_CHAIN& poly = tmpPoly.Outline( jj );
 
 // Ensure the polygon is closed:
 poly.SetClosed( true );
 
 // Plot the current filled area
 // (as region for Gerber plotter to manage attributes)
  if( m_plotter->GetPlotterType() == PLOT_FORMAT::GERBER )
 {
 static_cast<GERBER_PLOTTER*>( m_plotter )->
 PlotPolyAsRegion( poly, fill, thickness, &gbr_metadata );
 }
 else
 m_plotter->PlotPoly( poly, fill, thickness, &gbr_metadata );
 }
 }
 }
 
 break;
 
 case SHAPE_T::RECT:
 {
 std::vector<VECTOR2I> pts = aShape->GetRectCorners();
 
 if( sketch )
 {
 m_plotter->ThickSegment( pts[0], pts[1], thickness, GetPlotMode(), &gbr_metadata );
 m_plotter->ThickSegment( pts[1], pts[2], thickness, GetPlotMode(), &gbr_metadata );
 m_plotter->ThickSegment( pts[2], pts[3], thickness, GetPlotMode(), &gbr_metadata );
 m_plotter->ThickSegment( pts[3], pts[0], thickness, GetPlotMode(), &gbr_metadata );
 }
 else
 {
 SHAPE_LINE_CHAIN poly;
 
 for( const VECTOR2I& pt : pts )
 poly.Append( pt );
 
 poly.Append( pts[0] ); // Close polygon.
 
 FILL_T fill_mode = aShape->IsFilled() ? FILL_T::FILLED_SHAPE
 : FILL_T::NO_FILL;
 
 if( m_plotter->GetPlotterType() == PLOT_FORMAT::GERBER )
 {
 static_cast<GERBER_PLOTTER*>( m_plotter )->
 PlotPolyAsRegion( poly, fill_mode, thickness, &gbr_metadata );
 }
 else
 m_plotter->PlotPoly( poly, fill_mode, thickness, &gbr_metadata );
 }
 
 break;
 }
 
 default:
 UNIMPLEMENTED_FOR( aShape->SHAPE_T_asString() );
 }
 }
 else
 {
 std::vector<SHAPE*> shapes = aShape->MakeEffectiveShapes( true );
 
 for( SHAPE* shape : shapes )
 {
 STROKE_PARAMS::Stroke( shape, lineStyle, thickness, m_plotter->RenderSettings(),
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 m_plotter->ThickSegment( a, b, thickness, GetPlotMode(),
 &gbr_metadata );
 } );
 }
 
 for( SHAPE* shape : shapes )
 delete shape;
 }
}
 
 
void BRDITEMS_PLOTTER::plotOneDrillMark( PAD_DRILL_SHAPE_T aDrillShape, const VECTOR2I& aDrillPos,
 const VECTOR2I& aDrillSize, const VECTOR2I& aPadSize,
 const EDA_ANGLE& aOrientation, int aSmallDrill )
{
 VECTOR2I drillSize = aDrillSize;
 
 // Small drill marks have no significance when applied to slots
 if( aSmallDrill && aDrillShape == PAD_DRILL_SHAPE_CIRCLE )
 drillSize.x = std::min( aSmallDrill, drillSize.x );
 
 // Round holes only have x diameter, slots have both
 drillSize.x -= getFineWidthAdj();
 drillSize.x = Clamp( 1, drillSize.x, aPadSize.x - 1 );
 
 if( aDrillShape == PAD_DRILL_SHAPE_OBLONG )
 {
 drillSize.y -= getFineWidthAdj();
 drillSize.y = Clamp( 1, drillSize.y, aPadSize.y - 1 );
 
 m_plotter->FlashPadOval( aDrillPos, drillSize, aOrientation, GetPlotMode(), nullptr );
 }
 else
 {
 m_plotter->FlashPadCircle( aDrillPos, drillSize.x, GetPlotMode(), nullptr );
 }
}
 
 
void BRDITEMS_PLOTTER::PlotDrillMarks()
{
 /* If small drills marks were requested prepare a clamp value to pass
 to the helper function */
 int smallDrill = GetDrillMarksType() == DRILL_MARKS::SMALL_DRILL_SHAPE
 ? pcbIUScale.mmToIU( ADVANCED_CFG::GetCfg().m_SmallDrillMarkSize ) : 0;
 
 /* In the filled trace mode drill marks are drawn white-on-black to scrape
 the underlying pad. This works only for drivers supporting color change,
 obviously... it means that:
 - PS, SVG and PDF output is correct (i.e. you have a 'donut' pad)
 - In HPGL you can't see them
 - In gerbers you can't see them, too. This is arguably the right thing to
 do since having drill marks and high speed drill stations is a sure
 recipe for broken tools and angry manufacturers. If you *really* want them
 you could start a layer with negative polarity to scrape the film.
 - In DXF they go into the 'WHITE' layer. This could be useful.
 */
 if( GetPlotMode() == FILLED )
 m_plotter->SetColor( WHITE );
 
 for( PCB_TRACK* tracks : m_board->Tracks() )
 {
 const PCB_VIA* via = dyn_cast<const PCB_VIA*>( tracks );
 
 if( via )
 {
 plotOneDrillMark( PAD_DRILL_SHAPE_CIRCLE, via->GetStart(),
 VECTOR2I( via->GetDrillValue(), 0 ), VECTOR2I( via->GetWidth(), 0 ),
 ANGLE_0, smallDrill );
 }
 }
 
 for( FOOTPRINT* footprint : m_board->Footprints() )
 {
 for( PAD* pad : footprint->Pads() )
 {
 if( pad->GetDrillSize().x == 0 )
 continue;
 
 plotOneDrillMark( pad->GetDrillShape(), pad->GetPosition(), pad->GetDrillSize(),
 pad->GetSize(), pad->GetOrientation(), smallDrill );
 }
 }
 
 if( GetPlotMode() == FILLED )
 m_plotter->SetColor( BLACK );
}