sch_painter.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014 CERN
 * Copyright (C) 2019-2023 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * @author Tomasz Wlostowski <[email protected]>
 *
 * 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 <sch_item.h>
#include <trigo.h>
#include <symbol_library.h>
#include <connection_graph.h>
#include <gal/graphics_abstraction_layer.h>
#include <callback_gal.h>
#include <geometry/shape_segment.h>
#include <geometry/shape_simple.h>
#include <gr_text.h>
#include <lib_shape.h>
#include <lib_field.h>
#include <lib_item.h>
#include <lib_pin.h>
#include <lib_text.h>
#include <lib_textbox.h>
#include <math/util.h>
#include <pgm_base.h>
#include <sch_bitmap.h>
#include <sch_bus_entry.h>
#include <sch_symbol.h>
#include <sch_edit_frame.h>
#include <sch_field.h>
#include <sch_junction.h>
#include <sch_line.h>
#include <sch_marker.h>
#include <sch_no_connect.h>
#include <sch_sheet.h>
#include <sch_sheet_pin.h>
#include <sch_text.h>
#include <sch_textbox.h>
#include <schematic.h>
#include <settings/color_settings.h>
#include <view/view.h>
#include <kiface_base.h>
#include <default_values.h>
#include <advanced_config.h>
#include <settings/settings_manager.h>
#include <string_utils.h>
#include <stroke_params.h>
#include "sch_painter.h"
#include "sch_shape.h"
#include "common.h"
 
 
namespace KIGFX
{
 
EESCHEMA_SETTINGS* eeconfig()
{
 return dynamic_cast<EESCHEMA_SETTINGS*>( Kiface().KifaceSettings() );
}
 
 
std::vector<KICAD_T> SCH_PAINTER::g_ScaledSelectionTypes = {
 SCH_MARKER_T,
 SCH_JUNCTION_T,
 SCH_NO_CONNECT_T,
 SCH_BUS_WIRE_ENTRY_T,
 SCH_BUS_BUS_ENTRY_T,
 SCH_LINE_T,
 LIB_SHAPE_T, SCH_SHAPE_T,
 SCH_BITMAP_T,
 SCH_DIRECTIVE_LABEL_T,
 LIB_SYMBOL_T, SCH_SYMBOL_T,
 SCH_SHEET_T,
 LIB_PIN_T, SCH_PIN_T
};
 
 
SCH_RENDER_SETTINGS::SCH_RENDER_SETTINGS() :
 m_IsSymbolEditor( false ),
 m_ShowUnit( 0 ),
 m_ShowConvert( 0 ),
 m_ShowPinsElectricalType( true ),
 m_ShowPinNumbers( false ),
 m_ShowDisabled( false ),
 m_ShowGraphicsDisabled( false ),
 m_OverrideItemColors( false ),
 m_LabelSizeRatio( DEFAULT_LABEL_SIZE_RATIO ),
 m_TextOffsetRatio( DEFAULT_TEXT_OFFSET_RATIO ),
 m_PinSymbolSize( DEFAULT_TEXT_SIZE * schIUScale.IU_PER_MILS / 2 )
{
 SetDefaultPenWidth( DEFAULT_LINE_WIDTH_MILS * schIUScale.IU_PER_MILS );
 SetDashLengthRatio( 12 ); // From ISO 128-2
 SetGapLengthRatio( 3 ); // From ISO 128-2
 
 m_minPenWidth = ADVANCED_CFG::GetCfg().m_MinPlotPenWidth * schIUScale.IU_PER_MM;
}
 
 
void SCH_RENDER_SETTINGS::LoadColors( const COLOR_SETTINGS* aSettings )
{
 for( int layer = SCH_LAYER_ID_START; layer < SCH_LAYER_ID_END; layer ++)
 m_layerColors[ layer ] = aSettings->GetColor( layer );
 
 for( int layer = GAL_LAYER_ID_START; layer < GAL_LAYER_ID_END; layer ++)
 m_layerColors[ layer ] = aSettings->GetColor( layer );
 
 m_backgroundColor = aSettings->GetColor( LAYER_SCHEMATIC_BACKGROUND );
 
 m_layerColors[LAYER_AUX_ITEMS] = m_layerColors[LAYER_SCHEMATIC_AUX_ITEMS];
 
 m_OverrideItemColors = aSettings->GetOverrideSchItemColors();
}
 
 
COLOR4D SCH_RENDER_SETTINGS::GetColor( const VIEW_ITEM* aItem, int aLayer ) const
{
 return m_layerColors[ aLayer ];
}
 
 
bool SCH_RENDER_SETTINGS::GetShowPageLimits() const
{
 return eeconfig() && eeconfig()->m_Appearance.show_page_limits;
}
 
 
static LIB_SYMBOL* dummy()
{
 static LIB_SYMBOL* symbol;
 
 if( !symbol )
 {
 symbol = new LIB_SYMBOL( wxEmptyString );
 
 LIB_SHAPE* square = new LIB_SHAPE( symbol, SHAPE_T::RECT );
 
 square->MoveTo( VECTOR2I( schIUScale.MilsToIU( -200 ), schIUScale.MilsToIU( 200 ) ) );
 square->SetEnd( VECTOR2I( schIUScale.MilsToIU( 200 ), schIUScale.MilsToIU( -200 ) ) );
 
 LIB_TEXT* text = new LIB_TEXT( symbol );
 
 text->SetTextSize( VECTOR2I( schIUScale.MilsToIU( 150 ), schIUScale.MilsToIU( 150 ) ) );
 text->SetText( wxString( wxT( "??" ) ) );
 
 symbol->AddDrawItem( square );
 symbol->AddDrawItem( text );
 }
 
 return symbol;
}
 
 
SCH_PAINTER::SCH_PAINTER( GAL* aGal ) :
 KIGFX::PAINTER( aGal ),
 m_schematic( nullptr )
{ }
 
bool SCH_PAINTER::Draw( const VIEW_ITEM *aItem, int aLayer )
{
 const EDA_ITEM* item = dynamic_cast<const EDA_ITEM*>( aItem );
 
 if( !item )
 return false;
 
 draw( item, aLayer, false );
 
 return false;
}
 
void SCH_PAINTER::draw( const EDA_ITEM *aItem, int aLayer, bool aDimmed )
{
 
#ifdef CONNECTIVITY_DEBUG
 
 auto sch_item = dynamic_cast<const SCH_ITEM*>( aItem );
 auto conn = sch_item ? sch_item->Connection( *g_CurrentSheet ) : nullptr;
 
 if( conn )
 {
 auto pos = aItem->GetBoundingBox().Centre();
 auto label = conn->Name( true );
 
 m_gal->SetHorizontalJustify( GR_TEXT_H_ALIGN_CENTER );
 m_gal->SetVerticalJustify( GR_TEXT_V_ALIGN_CENTER );
 m_gal->SetStrokeColor( COLOR4D( LIGHTRED ) );
 m_gal->SetLineWidth( Mils2ui( 2 ) );
 m_gal->SetGlyphSize( VECTOR2D( Mils2ui( 20 ), Mils2ui( 20 ) ) );
 m_gal->StrokeText( conn->Name( true ), pos, 0.0, 0 );
 }
 
#endif
 
 if( m_schSettings.GetDrawBoundingBoxes() )
 {
 BOX2I box = aItem->GetBoundingBox();
 
 if( aItem->Type() == SCH_SYMBOL_T )
 box = static_cast<const SCH_SYMBOL*>( aItem )->GetBodyBoundingBox();
 
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetStrokeColor( aItem->IsSelected() ? COLOR4D( 1.0, 0.2, 0.2, 1 )
 : COLOR4D( 0.2, 0.2, 0.2, 1 ) );
 m_gal->SetLineWidth( schIUScale.MilsToIU( 3 ) );
 m_gal->DrawRectangle( box.GetOrigin(), box.GetEnd() );
 }
 
 switch( aItem->Type() )
 {
 case LIB_SYMBOL_T:
 draw( static_cast<const LIB_SYMBOL*>( aItem ), aLayer );
 break;
 case LIB_SHAPE_T:
 draw( static_cast<const LIB_SHAPE*>( aItem ), aLayer, aDimmed );
 break;
 case LIB_PIN_T:
 draw( static_cast<const LIB_PIN*>( aItem ), aLayer, aDimmed );
 break;
 case LIB_FIELD_T:
 draw( static_cast<const LIB_FIELD*>( aItem ), aLayer, aDimmed );
 break;
 case LIB_TEXT_T:
  draw( static_cast<const LIB_TEXT*>( aItem ), aLayer, aDimmed );
 break;
 case LIB_TEXTBOX_T:
 draw( static_cast<const LIB_TEXTBOX*>( aItem ), aLayer, aDimmed );
 break;
 case SCH_SYMBOL_T:
 draw( static_cast<const SCH_SYMBOL*>( aItem ), aLayer );
 break;
 case SCH_JUNCTION_T:
 draw( static_cast<const SCH_JUNCTION*>( aItem ), aLayer );
 break;
 case SCH_LINE_T:
 draw( static_cast<const SCH_LINE*>( aItem ), aLayer );
 break;
 case SCH_SHAPE_T:
 draw( static_cast<const SCH_SHAPE*>( aItem ), aLayer );
 break;
 case SCH_TEXT_T:
 draw( static_cast<const SCH_TEXT*>( aItem ), aLayer );
 break;
 case SCH_TEXTBOX_T:
 draw( static_cast<const SCH_TEXTBOX*>( aItem ), aLayer );
 break;
 case SCH_LABEL_T:
 draw( static_cast<const SCH_LABEL*>( aItem ), aLayer );
 break;
 case SCH_DIRECTIVE_LABEL_T:
 draw( static_cast<const SCH_DIRECTIVE_LABEL*>( aItem ), aLayer );
 break;
 case SCH_FIELD_T:
 draw( static_cast<const SCH_FIELD*>( aItem ), aLayer, aDimmed );
 break;
 case SCH_HIER_LABEL_T:
 draw( static_cast<const SCH_HIERLABEL*>( aItem ), aLayer );
 break;
 case SCH_GLOBAL_LABEL_T:
 draw( static_cast<const SCH_GLOBALLABEL*>( aItem ), aLayer );
 break;
 case SCH_SHEET_T:
 draw( static_cast<const SCH_SHEET*>( aItem ), aLayer );
 break;
 case SCH_SHEET_PIN_T:
 draw( static_cast<const SCH_HIERLABEL*>( aItem ), aLayer );
 break;
 case SCH_NO_CONNECT_T:
 draw( static_cast<const SCH_NO_CONNECT*>( aItem ), aLayer );
 break;
 case SCH_BUS_WIRE_ENTRY_T:
 draw( static_cast<const SCH_BUS_ENTRY_BASE*>( aItem ), aLayer );
 break;
 case SCH_BUS_BUS_ENTRY_T:
 draw( static_cast<const SCH_BUS_ENTRY_BASE*>( aItem ), aLayer );
 break;
 case SCH_BITMAP_T:
 draw( static_cast<const SCH_BITMAP*>( aItem ), aLayer );
 break;
 case SCH_MARKER_T:
 draw( static_cast<const SCH_MARKER*>( aItem ), aLayer );
 break;
 
 default: return;
 }
}
 
 
bool SCH_PAINTER::nonCached( const EDA_ITEM* aItem )
{
 // TODO: it would be nice to have a more definitive test for this, but we've currently got
 // no access to the VIEW_GROUP to see if it's cached or not.
 return aItem->IsSelected();
}
 
 
bool SCH_PAINTER::isUnitAndConversionShown( const LIB_ITEM* aItem ) const
{
 if( m_schSettings.m_ShowUnit // showing a specific unit
 && aItem->GetUnit() // item is unit-specific
 && aItem->GetUnit() != m_schSettings.m_ShowUnit )
 {
 return false;
 }
 
 if( m_schSettings.m_ShowConvert // showing a specific conversion
 && aItem->GetConvert() // item is conversion-specific
 && aItem->GetConvert() != m_schSettings.m_ShowConvert )
 {
 return false;
 }
 
 return true;
}
 
 
KIFONT::FONT* SCH_PAINTER::getFont( const EDA_TEXT* aItem ) const
{
 KIFONT::FONT* retval = aItem->GetFont();
 
 if( !retval )
 retval = KIFONT::FONT::GetFont( m_schSettings.GetDefaultFont(), aItem->IsBold(),
 aItem->IsItalic() );
 
 return retval;
}
 
 
float SCH_PAINTER::getShadowWidth( bool aForHighlight ) const
{
 const MATRIX3x3D& matrix = m_gal->GetScreenWorldMatrix();
 
 int milsWidth = aForHighlight ? eeconfig()->m_Selection.highlight_thickness
 : eeconfig()->m_Selection.selection_thickness;
 
 // For best visuals the selection width must be a cross between the zoom level and the
 // default line width.
 return (float) std::fabs( matrix.GetScale().x * milsWidth ) + schIUScale.MilsToIU( milsWidth );
}
 
 
COLOR4D SCH_PAINTER::getRenderColor( const EDA_ITEM *aItem, int aLayer, bool aDrawingShadows,
 bool aDimmed ) const
{
 COLOR4D color = m_schSettings.GetLayerColor( aLayer );
 
 if( aItem->Type() == SCH_LINE_T )
 {
 color = static_cast<const SCH_LINE*>( aItem )->GetLineColor();
 }
 else if( aItem->Type() == SCH_BUS_WIRE_ENTRY_T )
 {
 color = static_cast<const SCH_BUS_WIRE_ENTRY*>( aItem )->GetBusEntryColor();
 }
 else if( aItem->Type() == SCH_JUNCTION_T )
 {
 color = static_cast<const SCH_JUNCTION*>( aItem )->GetJunctionColor();
 }
 else if( !m_schSettings.m_OverrideItemColors )
 {
 if( aItem->Type() == SCH_SHEET_T )
 {
 const SCH_SHEET* sheet = static_cast<const SCH_SHEET*>( aItem );
 
 if( aLayer == LAYER_SHEET_BACKGROUND )
 color = sheet->GetBackgroundColor();
 else
 color = sheet->GetBorderColor();
 }
 else if( aItem->Type() == SCH_SHAPE_T )
 {
 const SCH_SHAPE* shape = static_cast<const SCH_SHAPE*>( aItem );
 
 if( aLayer == LAYER_NOTES_BACKGROUND )
 color = shape->GetFillColor();
 else
 color = shape->GetStroke().GetColor();
 
 // A filled shape means filled; if they didn't specify a fill colour then use the
 // border colour.
 if( color == COLOR4D::UNSPECIFIED )
 color = m_schSettings.GetLayerColor( LAYER_NOTES );
 }
 else if( aItem->Type() == LIB_SHAPE_T )
 {
 const LIB_SHAPE* shape = static_cast<const LIB_SHAPE*>( aItem );
 
 if( aLayer == LAYER_DEVICE_BACKGROUND || aLayer == LAYER_NOTES_BACKGROUND )
 color = shape->GetFillColor();
 else
 color = shape->GetStroke().GetColor();
  }
 else if( aItem->IsType( { SCH_LABEL_LOCATE_ANY_T } ) )
 {
 color = static_cast<const SCH_LABEL_BASE*>( aItem )->GetLabelColor();
 }
 else if( aItem->Type() == SCH_FIELD_T )
 {
 color = static_cast<const SCH_FIELD*>( aItem )->GetFieldColor();
 }
 else if( aItem->Type() == SCH_TEXTBOX_T )
 {
 const SCH_TEXTBOX* textBox = static_cast<const SCH_TEXTBOX*>( aItem );
 
 if( aLayer == LAYER_NOTES_BACKGROUND )
 color = textBox->GetFillColor();
 else
 color = textBox->GetTextColor();
 }
 else if( aItem->Type() == LIB_TEXTBOX_T )
 {
 const LIB_TEXTBOX* textBox = static_cast<const LIB_TEXTBOX*>( aItem );
 
 if( aLayer == LAYER_DEVICE_BACKGROUND || aLayer == LAYER_NOTES_BACKGROUND )
 color = textBox->GetFillColor();
 else
 color = textBox->GetTextColor();
 }
 else if( const EDA_TEXT* otherTextItem = dynamic_cast<const EDA_TEXT*>( aItem ) )
 {
 color = otherTextItem->GetTextColor();
 }
 }
 
 if( color == COLOR4D::UNSPECIFIED )
 color = m_schSettings.GetLayerColor( aLayer );
 
 if( aItem->IsBrightened() ) // Selection disambiguation, net highlighting, etc.
 {
 color = m_schSettings.GetLayerColor( LAYER_BRIGHTENED );
 
 if( aDrawingShadows )
 {
 if( aItem->IsSelected() )
 color = m_schSettings.GetLayerColor( LAYER_SELECTION_SHADOWS );
 else
 color = color.WithAlpha( 0.15 );
 }
 else if( aLayer == LAYER_DEVICE_BACKGROUND || aLayer == LAYER_SHEET_BACKGROUND )
 {
 color = color.WithAlpha( 0.2 );
 }
 }
 else if( aItem->IsSelected() && aDrawingShadows )
 {
 if( aDrawingShadows )
 color = m_schSettings.GetLayerColor( LAYER_SELECTION_SHADOWS );
 }
 else if( aItem->IsSelected()
 && ( aLayer == LAYER_DEVICE_BACKGROUND || aLayer == LAYER_SHEET_BACKGROUND ) )
 {
 // Selected items will be painted over all other items, so make backgrounds translucent so
 // that non-selected overlapping objects are visible
 color = color.WithAlpha( 0.5 );
 }
 
 if( m_schSettings.m_ShowDisabled
 || ( m_schSettings.m_ShowGraphicsDisabled && aItem->Type() != LIB_FIELD_T ) )
 {
 color = color.Darken( 0.5f );
 }
 
 if( aDimmed && !( aItem->IsSelected() && aDrawingShadows ) )
 {
 COLOR4D sheetColour = m_schSettings.GetLayerColor( LAYER_SCHEMATIC_BACKGROUND );
 color.Desaturate();
 color = color.Mix( sheetColour, 0.5f );
 }
 
 return color;
}
 
 
float SCH_PAINTER::getLineWidth( const EDA_ITEM* aItem, bool aDrawingShadows ) const
{
 wxCHECK( aItem, static_cast<float>( schIUScale.MilsToIU( DEFAULT_LINE_WIDTH_MILS ) ) );
 
 int pen = 0;
 
 if( dynamic_cast<const LIB_ITEM*>( aItem ) )
 pen = static_cast<const LIB_ITEM*>( aItem )->GetEffectivePenWidth( &m_schSettings );
 else if( dynamic_cast<const SCH_ITEM*>( aItem ) )
 pen = static_cast<const SCH_ITEM*>( aItem )->GetPenWidth();
 else
 UNIMPLEMENTED_FOR( aItem->GetClass() );
 
 float width = pen;
 
 if( aItem->IsBrightened() || aItem->IsSelected() )
 {
 if( aDrawingShadows && aItem->IsType( g_ScaledSelectionTypes ) )
 width += getShadowWidth( aItem->IsBrightened() );
 }
 
 return width;
}
 
 
float SCH_PAINTER::getTextThickness( const EDA_ITEM* aItem ) const
{
 int pen = m_schSettings.GetDefaultPenWidth();
 
 switch( aItem->Type() )
 {
 case SCH_FIELD_T:
 pen = static_cast<const SCH_FIELD*>( aItem )->GetEffectiveTextPenWidth( pen );
 break;
 
 case SCH_TEXT_T:
 pen = static_cast<const SCH_TEXT*>( aItem )->GetEffectiveTextPenWidth( pen );
 break;
 
 case SCH_LABEL_T:
 case SCH_DIRECTIVE_LABEL_T:
 case SCH_GLOBAL_LABEL_T:
 case SCH_HIER_LABEL_T:
 case SCH_SHEET_PIN_T:
 pen = static_cast<const SCH_LABEL_BASE*>( aItem )->GetEffectiveTextPenWidth( pen );
 break;
 
 case SCH_TEXTBOX_T:
 pen = static_cast<const SCH_TEXTBOX*>( aItem )->GetEffectiveTextPenWidth( pen );
 break;
 
 case LIB_FIELD_T:
 pen = std::max( pen, static_cast<const LIB_FIELD*>( aItem )->GetEffectiveTextPenWidth() );
 break;
 
 case LIB_TEXT_T:
 pen = std::max( pen, static_cast<const LIB_TEXT*>( aItem )->GetEffectiveTextPenWidth() );
 break;
 
 case LIB_TEXTBOX_T:
 pen = std::max( pen, static_cast<const LIB_TEXTBOX*>( aItem )->GetEffectiveTextPenWidth() );
 break;
 
 default:
 UNIMPLEMENTED_FOR( aItem->GetClass() );
 }
 
 return (float) pen;
}
 
 
int SCH_PAINTER::getOperatingPointTextSize() const
{
 int docTextSize = schIUScale.MilsToIU( 50 );
 int screenTextSize = std::abs( (int) m_gal->GetScreenWorldMatrix().GetScale().y * 7 );
 
 // 66% zoom-relative
 return KiROUND( ( docTextSize + screenTextSize * 2 ) / 3 );
}
 
 
static VECTOR2D mapCoords( const VECTOR2D& aCoord )
{
 return VECTOR2D( aCoord.x, -aCoord.y );
}
 
 
static bool isFieldsLayer( int aLayer )
{
 return aLayer == LAYER_REFERENCEPART
 || aLayer == LAYER_VALUEPART
 || aLayer == LAYER_INTERSHEET_REFS
 || aLayer == LAYER_NETCLASS_REFS
 || aLayer == LAYER_FIELDS
 || aLayer == LAYER_SHEETNAME
 || aLayer == LAYER_SHEETFILENAME
 || aLayer == LAYER_SHEETFIELDS;
}
 
 
void SCH_PAINTER::strokeText( const wxString& aText, const VECTOR2D& aPosition,
 const TEXT_ATTRIBUTES& aAttrs )
{
 KIFONT::FONT* font = aAttrs.m_Font;
 
 if( !font )
 {
 font = KIFONT::FONT::GetFont( eeconfig()->m_Appearance.default_font, aAttrs.m_Bold,
 aAttrs.m_Italic );
 }
 
 m_gal->SetIsFill( font->IsOutline() );
 m_gal->SetIsStroke( font->IsStroke() );
 
 font->Draw( m_gal, aText, aPosition, aAttrs );
}
 
 
void SCH_PAINTER::bitmapText( const wxString& aText, const VECTOR2D& aPosition,
 const TEXT_ATTRIBUTES& aAttrs )
{
 // Bitmap font has different metrics from the stroke font so we compensate a bit before
 // stroking
 m_gal->SetGlyphSize( VECTOR2I( aAttrs.m_Size.x, KiROUND( aAttrs.m_Size.y * 1.05 ) ) );
 m_gal->SetLineWidth( (float) aAttrs.m_StrokeWidth * 1.35f );
 
 m_gal->SetHorizontalJustify( aAttrs.m_Halign );
 m_gal->SetVerticalJustify( aAttrs.m_Valign );
 
 m_gal->BitmapText( aText, aPosition, aAttrs.m_Angle );
}
 
 
void SCH_PAINTER::knockoutText( const wxString& aText, const VECTOR2D& aPosition,
 const TEXT_ATTRIBUTES& aAttrs )
{
 TEXT_ATTRIBUTES attrs( aAttrs );
 KIFONT::FONT* font = aAttrs.m_Font;
 
 if( !font )
 {
 font = KIFONT::FONT::GetFont( eeconfig()->m_Appearance.default_font, attrs.m_Bold,
 attrs.m_Italic );
 }
 
 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( false );
 callback_gal.SetIsStroke( true );
 callback_gal.SetLineWidth( (float) attrs.m_StrokeWidth );
 font->Draw( &callback_gal, aText, aPosition, attrs );
 
 BOX2I bbox = knockouts.BBox( attrs.m_StrokeWidth * 2 );
 SHAPE_POLY_SET finalPoly;
 
 finalPoly.NewOutline();
 finalPoly.Append( bbox.GetLeft(), bbox.GetTop() );
 finalPoly.Append( bbox.GetRight(), bbox.GetTop() );
 finalPoly.Append( bbox.GetRight(), bbox.GetBottom() );
 finalPoly.Append( bbox.GetLeft(), bbox.GetBottom() );
 
 finalPoly.BooleanSubtract( knockouts, SHAPE_POLY_SET::PM_FAST );
 finalPoly.Fracture( SHAPE_POLY_SET::PM_FAST );
 
 m_gal->SetIsStroke( false );
 m_gal->SetIsFill( true );
 m_gal->SetFillColor( attrs.m_Color );
 m_gal->DrawPolygon( finalPoly );
}
 
 
void SCH_PAINTER::boxText( const wxString& aText, const VECTOR2D& aPosition,
 const TEXT_ATTRIBUTES& aAttrs )
{
 KIFONT::FONT* font = aAttrs.m_Font;
 
 if( !font )
 {
 font = KIFONT::FONT::GetFont( eeconfig()->m_Appearance.default_font, aAttrs.m_Bold,
 aAttrs.m_Italic );
 }
 
 VECTOR2I extents = font->StringBoundaryLimits( aText, aAttrs.m_Size, aAttrs.m_StrokeWidth,
 aAttrs.m_Bold, aAttrs.m_Italic );
 BOX2I box( aPosition, VECTOR2I( extents.x, aAttrs.m_Size.y ) );
 
 switch( aAttrs.m_Halign )
 {
 case GR_TEXT_H_ALIGN_LEFT: break;
 case GR_TEXT_H_ALIGN_CENTER: box.SetX( box.GetX() - box.GetWidth() / 2 ); break;
 case GR_TEXT_H_ALIGN_RIGHT: box.SetX( box.GetX() - box.GetWidth() ); break;
 }
 
 switch( aAttrs.m_Valign )
 {
 case GR_TEXT_V_ALIGN_TOP: break;
 case GR_TEXT_V_ALIGN_CENTER: box.SetY( box.GetY() - box.GetHeight() / 2 ); break;
 case GR_TEXT_V_ALIGN_BOTTOM: box.SetY( box.GetY() - box.GetHeight() ); break;
 }
 
 // Give the highlight a bit of margin.
 box.Inflate( 0, aAttrs.m_StrokeWidth * 2 );
 
 box.Normalize(); // Make h and v sizes always >= 0
 box = box.GetBoundingBoxRotated( (VECTOR2I) aPosition, aAttrs.m_Angle );
 box.RevertYAxis();
 
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 m_gal->DrawRectangle( mapCoords( box.GetOrigin() ), mapCoords( box.GetEnd() ) );
}
 
 
void SCH_PAINTER::triLine( const VECTOR2D &a, const VECTOR2D &b, const VECTOR2D &c )
{
 m_gal->DrawLine( a, b );
 m_gal->DrawLine( b, c );
}
 
 
void SCH_PAINTER::draw( const LIB_SYMBOL *aSymbol, int aLayer, bool aDrawFields, int aUnit,
 int aConvert, bool aDimmed )
{
 if( !aUnit )
 aUnit = m_schSettings.m_ShowUnit;
 
 if( !aConvert )
 aConvert = m_schSettings.m_ShowConvert;
 
 std::unique_ptr< LIB_SYMBOL > tmpSymbol;
 const LIB_SYMBOL* drawnSymbol = aSymbol;
 
 if( aSymbol->IsAlias() )
 {
 tmpSymbol = aSymbol->Flatten();
 drawnSymbol = tmpSymbol.get();
 }
 
 for( const LIB_ITEM& item : drawnSymbol->GetDrawItems() )
 {
 if( !aDrawFields && item.Type() == LIB_FIELD_T )
 continue;
 
 if( aUnit && item.GetUnit() && aUnit != item.GetUnit() )
 continue;
 
 if( aConvert && item.GetConvert() && aConvert != item.GetConvert() )
 continue;
 
 draw( &item, aLayer, aDimmed );
 }
}
 
 
bool SCH_PAINTER::setDeviceColors( const LIB_ITEM* aItem, int aLayer, bool aDimmed )
{
 const EDA_SHAPE* shape = dynamic_cast<const EDA_SHAPE*>( aItem );
 
 switch( aLayer )
 {
 case LAYER_SELECTION_SHADOWS:
 if( aItem->IsBrightened() || aItem->IsSelected() )
 {
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( getLineWidth( aItem, true ) );
 m_gal->SetStrokeColor( getRenderColor( aItem, LAYER_DEVICE, true, aDimmed ) );
 m_gal->SetFillColor( getRenderColor( aItem, LAYER_DEVICE, true, aDimmed ) );
 return true;
 }
 
 return false;
 
 case LAYER_NOTES_BACKGROUND:
 case LAYER_DEVICE_BACKGROUND:
 if( shape )
 {
 if( shape->GetFillMode() != FILL_T::FILLED_WITH_BG_BODYCOLOR )
 {
 return false; // FILLED_SHAPE and FILLED_WITH_COLOR rendered below on
 // LAYER_NOTES or LAYER_DEVICE
 }
 
 m_gal->SetIsFill( true );
 m_gal->SetFillColor( getRenderColor( aItem, LAYER_DEVICE_BACKGROUND, false, aDimmed ) );
 m_gal->SetIsStroke( false );
 return true;
 }
 
 return false;
 
 case LAYER_NOTES:
 case LAYER_PRIVATE_NOTES:
 case LAYER_DEVICE:
 m_gal->SetIsFill( shape && ( shape->GetFillMode() == FILL_T::FILLED_SHAPE
 || shape->GetFillMode() == FILL_T::FILLED_WITH_COLOR ) );
 
 if( shape && shape->GetFillMode() == FILL_T::FILLED_SHAPE )
 {
 m_gal->SetFillColor( getRenderColor( aItem, LAYER_DEVICE, false, aDimmed ) );
 }
 else if( shape && shape->GetFillMode() == FILL_T::FILLED_WITH_COLOR )
 {
 COLOR4D fillColour = shape->GetFillColor();
 
 if( aDimmed )
 {
 fillColour = fillColour.Mix(
 m_schSettings.GetLayerColor( LAYER_SCHEMATIC_BACKGROUND ), 0.5f );
 fillColour.Desaturate( );
 }
 
 m_gal->SetFillColor( fillColour );
 }
 
 if( aItem->GetPenWidth() >= 0 || !shape || !shape->IsFilled() )
 {
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( getLineWidth( aItem, false ) );
 m_gal->SetStrokeColor( getRenderColor( aItem, aLayer, false, aDimmed ) );
 }
 else
 {
 m_gal->SetIsStroke( false );
 }
 
 return true;
 
 default:
 return false;
 }
}
 
 
void SCH_PAINTER::draw( const LIB_SHAPE *aShape, int aLayer, bool aDimmed )
{
 if( !isUnitAndConversionShown( aShape ) )
 return;
 
 if( aShape->IsPrivate() && !m_schSettings.m_IsSymbolEditor )
 return;
 
 if( !setDeviceColors( aShape, aLayer, aDimmed ) )
 return;
 
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 PLOT_DASH_TYPE lineStyle = aShape->GetStroke().GetPlotStyle();
 COLOR4D color = getRenderColor( aShape, aLayer, drawingShadows, aDimmed );
 
 auto drawShape =
 [&]( const LIB_SHAPE* shape )
 {
 switch( shape->GetShape() )
 {
 case SHAPE_T::ARC:
 {
 EDA_ANGLE startAngle;
 EDA_ANGLE endAngle;
 shape->CalcArcAngles( startAngle, endAngle );
 
 TRANSFORM().MapAngles( &startAngle, &endAngle );
 
 m_gal->DrawArc( mapCoords( shape->GetCenter() ), shape->GetRadius(),
 startAngle, endAngle );
 }
 break;
 
 case SHAPE_T::CIRCLE:
 m_gal->DrawCircle( mapCoords( shape->GetPosition() ), shape->GetRadius() );
 break;
 
 case SHAPE_T::RECT:
 m_gal->DrawRectangle( mapCoords( shape->GetPosition() ),
 mapCoords( shape->GetEnd() ) );
 break;
 
 case SHAPE_T::POLY:
 {
 const SHAPE_LINE_CHAIN poly = shape->GetPolyShape().Outline( 0 );
 std::deque<VECTOR2D> mappedPts;
 
 for( const VECTOR2I& pt : poly.CPoints() )
 mappedPts.push_back( mapCoords( pt ) );
 
 m_gal->DrawPolygon( mappedPts );
 }
 break;
 
 case SHAPE_T::BEZIER:
 {
 std::deque<VECTOR2D> mappedPts;
 
 for( const VECTOR2I& p : shape->GetBezierPoints() )
 mappedPts.push_back( mapCoords( p ) );
 
 m_gal->DrawPolygon( mappedPts );
 }
 break;
 
 default:
 UNIMPLEMENTED_FOR( shape->SHAPE_T_asString() );
 }
 };
 
 if( aLayer == LAYER_SELECTION_SHADOWS )
 {
 if( eeconfig()->m_Selection.fill_shapes )
 {
 // Consider a NAND gate. We have no idea which side of the arc is "inside"
 // so we can't reliably fill.
 if( aShape->GetShape() == SHAPE_T::ARC )
 m_gal->SetIsFill( aShape->IsFilled() );
 else
 m_gal->SetIsFill( true );
 }
 else
 {
 m_gal->SetIsStroke( true );
 m_gal->SetIsFill( false );
 m_gal->SetLineWidth( getLineWidth( aShape, true ) );
 m_gal->SetStrokeColor( color );
 }
 
 drawShape( aShape );
 }
 else if( aLayer == LAYER_DEVICE_BACKGROUND || aLayer == LAYER_NOTES_BACKGROUND )
 {
 if( aShape->GetFillMode() == FILL_T::FILLED_WITH_BG_BODYCOLOR )
 {
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 drawShape( aShape );
 }
 }
 else if( aLayer == LAYER_DEVICE || aLayer == LAYER_PRIVATE_NOTES )
 {
 float lineWidth = getLineWidth( aShape, drawingShadows );
 
 if( lineWidth > 0 )
 {
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( lineWidth );
 m_gal->SetStrokeColor( color );
 
 if( lineStyle <= PLOT_DASH_TYPE::FIRST_TYPE || drawingShadows )
 {
 drawShape( aShape );
 }
 else
 {
 std::vector<SHAPE*> shapes = aShape->MakeEffectiveShapes( true );
 
 for( SHAPE* shape : shapes )
 {
 STROKE_PARAMS::Stroke( shape, lineStyle, KiROUND( lineWidth ), &m_schSettings,
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 // DrawLine has problem with 0 length lines so enforce minimum
 if( a == b )
 m_gal->DrawLine( mapCoords( a+1 ), mapCoords( b ) );
 else
 m_gal->DrawLine( mapCoords( a ), mapCoords( b ) );
 } );
 }
 
 for( SHAPE* shape : shapes )
 delete shape;
 }
 }
 
 if( aShape->GetFillMode() == FILL_T::FILLED_SHAPE
 || aShape->GetFillMode() == FILL_T::FILLED_WITH_COLOR )
 {
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 drawShape( aShape );
 }
 }
}
 
 
void SCH_PAINTER::draw( const LIB_FIELD *aField, int aLayer, bool aDimmed )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( drawingShadows && !( aField->IsBrightened() || aField->IsSelected() ) )
 return;
 
 if( !isUnitAndConversionShown( aField ) )
 return;
 
 // Must check layer as fields are sometimes drawn by their parent rather than
 // directly from the view.
 int layers[KIGFX::VIEW::VIEW_MAX_LAYERS];
 int layers_count;
 bool foundLayer = false;
 
 aField->ViewGetLayers( layers, layers_count );
 
 for( int i = 0; i < layers_count; ++i )
 {
 if( layers[i] == aLayer )
 foundLayer = true;
 }
 
 if( !foundLayer )
 return;
 
 COLOR4D color = getRenderColor( aField, aLayer, drawingShadows, aDimmed );
 
 if( !( aField->IsVisible() || aField->IsForceVisible() ) )
 {
 if( m_schSettings.m_IsSymbolEditor || eeconfig()->m_Appearance.show_hidden_fields )
 color = getRenderColor( aField, LAYER_HIDDEN, drawingShadows, aDimmed );
 else
 return;
 }
 
 m_gal->SetStrokeColor( color );
 m_gal->SetFillColor( color );
 
 BOX2I bbox = aField->GetBoundingBox();
 
 if( drawingShadows && getFont( aField )->IsOutline() )
 {
 bbox.Inflate( KiROUND( getTextThickness( aField ) * 2 ) );
 
 m_gal->SetIsStroke( false );
 m_gal->SetIsFill( true );
 m_gal->DrawRectangle( bbox.GetPosition(), bbox.GetEnd() );
 }
 else
 {
 VECTOR2I textpos = bbox.Centre();
 TEXT_ATTRIBUTES attrs( aField->GetAttributes() );
 
 attrs.m_Halign = GR_TEXT_H_ALIGN_CENTER;
 attrs.m_Valign = GR_TEXT_V_ALIGN_CENTER;
 attrs.m_StrokeWidth = KiROUND( getTextThickness( aField ) );
 
 if( drawingShadows )
 attrs.m_StrokeWidth += getShadowWidth( !aField->IsSelected() );
 
 strokeText( UnescapeString( aField->GetShownText() ), textpos, attrs );
 }
 
 // Draw the umbilical line when in the schematic editor
 if( aField->IsMoving() && m_schematic )
 {
 m_gal->SetLineWidth( m_schSettings.m_outlineWidth );
 m_gal->SetStrokeColor( getRenderColor( aField, LAYER_SCHEMATIC_ANCHOR, drawingShadows ) );
 m_gal->DrawLine( bbox.Centre(), VECTOR2I( 0, 0 ) );
 }
}
 
 
void SCH_PAINTER::draw( const LIB_TEXT* aText, int aLayer, bool aDimmed )
{
 if( !isUnitAndConversionShown( aText ) )
 return;
 
 if( aText->IsPrivate() && !m_schSettings.m_IsSymbolEditor )
 return;
 
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( drawingShadows && !( aText->IsBrightened() || aText->IsSelected() ) )
 return;
 
 COLOR4D color = getRenderColor( aText, aLayer, drawingShadows, aDimmed );
 
 if( !aText->IsVisible() )
 {
 if( !m_schematic || eeconfig()->m_Appearance.show_hidden_fields )
 color = getRenderColor( aText, LAYER_HIDDEN, drawingShadows, aDimmed );
 else
 return;
 }
 
 BOX2I bBox = aText->GetBoundingBox();
 
 m_gal->SetFillColor( color );
 m_gal->SetStrokeColor( color );
 
 if( drawingShadows && getFont( aText )->IsOutline() )
 {
 bBox.Inflate( KiROUND( getTextThickness( aText ) * 2 ) );
 
 m_gal->SetIsStroke( false );
 m_gal->SetIsFill( true );
 m_gal->DrawRectangle( bBox.GetPosition(), bBox.GetEnd() );
 }
 else
 {
 wxString shownText( aText->GetShownText() );
 VECTOR2D pos = bBox.Centre();
 TEXT_ATTRIBUTES attrs = aText->GetAttributes();
 
 attrs.m_StrokeWidth = KiROUND( getTextThickness( aText ) );
 
 if( drawingShadows )
 attrs.m_StrokeWidth += getShadowWidth( !aText->IsSelected() );
 
 if( attrs.m_Angle == ANGLE_VERTICAL )
 {
 switch( attrs.m_Halign )
 {
 case GR_TEXT_H_ALIGN_LEFT: pos.y = bBox.GetBottom(); break;
 case GR_TEXT_H_ALIGN_CENTER: pos.y = ( bBox.GetTop() + bBox.GetBottom() ) / 2; break;
 case GR_TEXT_H_ALIGN_RIGHT: pos.y = bBox.GetTop(); break;
 }
 }
 else
 {
 switch( attrs.m_Halign )
 {
 case GR_TEXT_H_ALIGN_LEFT: pos.x = bBox.GetLeft(); break;
 case GR_TEXT_H_ALIGN_CENTER: pos.x = ( bBox.GetLeft() + bBox.GetRight() ) / 2; break;
 case GR_TEXT_H_ALIGN_RIGHT: pos.x = bBox.GetRight(); break;
 }
 }
 
 // Because the text vertical position is the bounding box center, the text is drawn as
 // vertically centered.
 attrs.m_Valign = GR_TEXT_V_ALIGN_CENTER;
 
 strokeText( shownText, pos, attrs );
 }
}
 
 
void SCH_PAINTER::draw( const LIB_TEXTBOX* aTextBox, int aLayer, bool aDimmed )
{
 if( !isUnitAndConversionShown( aTextBox ) )
 return;
 
 if( aTextBox->IsPrivate() && !m_schSettings.m_IsSymbolEditor )
 return;
 
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( drawingShadows && !( aTextBox->IsBrightened() || aTextBox->IsSelected() ) )
 return;
 
 COLOR4D bg = m_schSettings.GetLayerColor( LAYER_SCHEMATIC_BACKGROUND );
 COLOR4D color = getRenderColor( aTextBox, aLayer, drawingShadows, aDimmed );
 float borderWidth = getLineWidth( aTextBox, drawingShadows );
 
 auto drawText =
 [&]()
 {
 wxString shownText = aTextBox->GetShownText();
 TEXT_ATTRIBUTES attrs = aTextBox->GetAttributes();
 
 attrs.m_Angle = aTextBox->GetDrawRotation();
  attrs.m_StrokeWidth = KiROUND( getTextThickness( aTextBox ) );
 
 strokeText( shownText, aTextBox->GetDrawPos(), attrs );
 };
 
 m_gal->SetStrokeColor( color );
 m_gal->SetFillColor( color );
 
 if( aLayer == LAYER_SELECTION_SHADOWS )
 {
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 m_gal->SetLineWidth( borderWidth );
 
 m_gal->DrawRectangle( mapCoords( aTextBox->GetPosition() ),
 mapCoords( aTextBox->GetEnd() ) );
 }
 else if( aLayer == LAYER_DEVICE_BACKGROUND || aLayer == LAYER_NOTES_BACKGROUND )
 {
 if( aTextBox->IsFilled() )
 {
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 m_gal->SetLineWidth( borderWidth );
 
 m_gal->DrawRectangle( mapCoords( aTextBox->GetPosition() ),
 mapCoords( aTextBox->GetEnd() ) );
 }
 }
 else if( aLayer == LAYER_DEVICE || aLayer == LAYER_PRIVATE_NOTES )
 {
 drawText();
 
 if( borderWidth > 0 )
 {
 COLOR4D borderColor = aTextBox->GetStroke().GetColor();
 PLOT_DASH_TYPE borderStyle = aTextBox->GetStroke().GetPlotStyle();
 
 if( m_schSettings.m_OverrideItemColors || aTextBox->IsBrightened()
 || borderColor == COLOR4D::UNSPECIFIED )
 {
 borderColor = m_schSettings.GetLayerColor( aLayer );
 }
 
 if( aDimmed )
 {
 borderColor.Desaturate( );
 borderColor = borderColor.Mix( bg, 0.5f );
 }
 
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetStrokeColor( borderColor );
 m_gal->SetLineWidth( borderWidth );
 
 if( borderStyle <= PLOT_DASH_TYPE::FIRST_TYPE || drawingShadows )
 {
 m_gal->DrawRectangle( mapCoords( aTextBox->GetPosition() ),
 mapCoords( aTextBox->GetEnd() ) );
 }
 else
 {
 std::vector<SHAPE*> shapes = aTextBox->MakeEffectiveShapes( true );
 
 for( SHAPE* shape : shapes )
 {
 STROKE_PARAMS::Stroke( shape, borderStyle, KiROUND( borderWidth ),
 &m_schSettings,
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 // DrawLine has problem with 0 length lines so enforce minimum
 if( a == b )
 m_gal->DrawLine( mapCoords( a+1 ), mapCoords( b ) );
 else
 m_gal->DrawLine( mapCoords( a ), mapCoords( b ) );
 } );
 }
 
 for( SHAPE* shape : shapes )
 delete shape;
 }
 }
 }
}
 
 
int SCH_PAINTER::internalPinDecoSize( const LIB_PIN &aPin )
{
 if( m_schSettings.m_PinSymbolSize > 0 )
 return m_schSettings.m_PinSymbolSize;
 
 return aPin.GetNameTextSize() != 0 ? aPin.GetNameTextSize() / 2 : aPin.GetNumberTextSize() / 2;
}
 
 
// Utility for getting the size of the 'external' pin decorators (as a radius)
// i.e. the negation circle, the polarity 'slopes' and the nonlogic marker
int SCH_PAINTER::externalPinDecoSize( const LIB_PIN &aPin )
{
 if( m_schSettings.m_PinSymbolSize > 0 )
 return m_schSettings.m_PinSymbolSize;
 
 return aPin.GetNumberTextSize() / 2;
}
 
 
// Draw the target (an open circle) for a pin which has no connection or is being moved.
void SCH_PAINTER::drawPinDanglingSymbol( const VECTOR2I& aPos, const COLOR4D& aColor,
 bool aDrawingShadows, bool aBrightened )
{
 // Dangling symbols must be drawn in a slightly different colour so they can be seen when
 // they overlap with a junction dot.
 m_gal->SetStrokeColor( aColor.Brightened( 0.3 ) );
 
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( aDrawingShadows ? getShadowWidth( aBrightened )
 : m_schSettings.GetDanglineSymbolThickness() );
 
 m_gal->DrawCircle( aPos, TARGET_PIN_RADIUS );
}
 
 
void SCH_PAINTER::draw( const LIB_PIN *aPin, int aLayer, bool aDimmed )
{
 if( !isUnitAndConversionShown( aPin ) )
 return;
 
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 bool drawingDangling = aLayer == LAYER_DANGLING;
 bool drawingOP = aLayer == LAYER_OP_CURRENTS;
 bool isDangling = m_schSettings.m_IsSymbolEditor || aPin->HasFlag( IS_DANGLING );
 
 if( drawingShadows && !( aPin->IsBrightened() || aPin->IsSelected() ) )
 return;
 
 VECTOR2I pos = mapCoords( aPin->GetPosition() );
 COLOR4D color = getRenderColor( aPin, LAYER_PIN, drawingShadows, aDimmed );
 
 if( !aPin->IsVisible() )
 {
 if( !m_schematic || eeconfig()->m_Appearance.show_hidden_pins )
 {
 color = getRenderColor( aPin, LAYER_HIDDEN, drawingShadows, aDimmed );
 }
 else
 return;
 }
 
 if( drawingDangling )
 {
 if( isDangling )
 drawPinDanglingSymbol( pos, color, drawingShadows, aPin->IsBrightened() );
 
 return;
 }
 
 VECTOR2I p0;
 VECTOR2I dir;
 int len = aPin->GetLength();
 int orient = aPin->GetOrientation();
 
 switch( orient )
 {
 case PIN_UP:
 p0 = VECTOR2I( pos.x, pos.y - len );
 dir = VECTOR2I( 0, 1 );
 break;
 
 case PIN_DOWN:
 p0 = VECTOR2I( pos.x, pos.y + len );
 dir = VECTOR2I( 0, -1 );
 break;
 
 case PIN_LEFT:
 p0 = VECTOR2I( pos.x - len, pos.y );
 dir = VECTOR2I( 1, 0 );
 break;
 
 default:
 case PIN_RIGHT:
 p0 = VECTOR2I( pos.x + len, pos.y );
 dir = VECTOR2I( -1, 0 );
 break;
 }
 
 if( drawingOP && !aPin->GetOperatingPoint().IsEmpty() )
 {
 int textSize = getOperatingPointTextSize();
 VECTOR2I mid = ( p0 + pos ) / 2;
 int textOffset = KiROUND( textSize * 0.22 );
 TEXT_ATTRIBUTES attrs;
 
 if( len > textSize )
 {
 if( dir.x == 0 )
 {
 mid.x += KiROUND( textOffset * 1.2 );
 attrs.m_Angle = ANGLE_HORIZONTAL;
 }
 else
 {
 mid.y -= KiROUND( textOffset * 1.2 );
 attrs.m_Angle = ANGLE_VERTICAL;
 }
 
 attrs.m_Halign = GR_TEXT_H_ALIGN_LEFT;
 attrs.m_Valign = GR_TEXT_V_ALIGN_CENTER;
 
 attrs.m_Font = KIFONT::FONT::GetFont(); // always use stroke font for performance
 attrs.m_Size = VECTOR2I( textSize, textSize );
 attrs.m_StrokeWidth = GetPenSizeForDemiBold( textSize );
 attrs.m_Color = m_schSettings.GetLayerColor( LAYER_OP_CURRENTS );
 
 knockoutText( aPin->GetOperatingPoint(), mid, attrs );
 }
 
 return;
 }
 
 VECTOR2D pc;
 
 m_gal->SetIsStroke( true );
 m_gal->SetIsFill( false );
 m_gal->SetLineWidth( getLineWidth( aPin, drawingShadows ) );
 m_gal->SetStrokeColor( color );
 m_gal->SetFontBold( false );
 m_gal->SetFontUnderlined( false );
 m_gal->SetFontItalic( false );
 
 const int radius = externalPinDecoSize( *aPin );
 const int diam = radius*2;
 const int clock_size = internalPinDecoSize( *aPin );
 
 if( aPin->GetType() == ELECTRICAL_PINTYPE::PT_NC ) // Draw a N.C. symbol
 {
 m_gal->DrawLine( p0, pos );
 
 m_gal->DrawLine( pos + VECTOR2D( -1, -1 ) * TARGET_PIN_RADIUS,
 pos + VECTOR2D( 1, 1 ) * TARGET_PIN_RADIUS );
 m_gal->DrawLine( pos + VECTOR2D( 1, -1 ) * TARGET_PIN_RADIUS ,
 pos + VECTOR2D( -1, 1 ) * TARGET_PIN_RADIUS );
 }
 else
 {
 switch( aPin->GetShape() )
 {
 case GRAPHIC_PINSHAPE::LINE:
 m_gal->DrawLine( p0, pos );
 break;
 
 case GRAPHIC_PINSHAPE::INVERTED:
 m_gal->DrawCircle( p0 + dir * radius, radius );
 m_gal->DrawLine( p0 + dir * ( diam ), pos );
 break;
 
 case GRAPHIC_PINSHAPE::INVERTED_CLOCK:
 pc = p0 - dir * clock_size ;
 
 triLine( p0 + VECTOR2D( dir.y, -dir.x) * clock_size,
 pc,
 p0 + VECTOR2D( -dir.y, dir.x) * clock_size );
 
 m_gal->DrawCircle( p0 + dir * radius, radius );
 m_gal->DrawLine( p0 + dir * ( diam ), pos );
 break;
 
 case GRAPHIC_PINSHAPE::CLOCK_LOW:
 case GRAPHIC_PINSHAPE::FALLING_EDGE_CLOCK:
 pc = p0 - dir * clock_size ;
 
 triLine( p0 + VECTOR2D( dir.y, -dir.x) * clock_size,
 pc,
 p0 + VECTOR2D( -dir.y, dir.x) * clock_size );
 
 if( !dir.y )
 {
 triLine( p0 + VECTOR2D(dir.x, 0) * diam,
 p0 + VECTOR2D(dir.x, -1) * diam,
 p0 );
 }
 else /* MapX1 = 0 */
 {
 triLine( p0 + VECTOR2D( 0, dir.y) * diam,
 p0 + VECTOR2D(-1, dir.y) * diam,
 p0 );
 }
 
 m_gal->DrawLine( p0, pos );
 break;
 
 case GRAPHIC_PINSHAPE::CLOCK:
 m_gal->DrawLine( p0, pos );
 
 if( !dir.y )
 {
 triLine( p0 + VECTOR2D( 0, clock_size ),
 p0 + VECTOR2D( -dir.x * clock_size, 0 ),
 p0 + VECTOR2D( 0, -clock_size ) );
 }
 else
  {
 triLine( p0 + VECTOR2D( clock_size, 0 ),
 p0 + VECTOR2D( 0, -dir.y * clock_size ),
 p0 + VECTOR2D( -clock_size, 0 ) );
 }
 break;
 
 case GRAPHIC_PINSHAPE::INPUT_LOW:
 m_gal->DrawLine( p0, pos );
 
 if( !dir.y )
 {
 triLine( p0 + VECTOR2D(dir.x, 0) * diam,
 p0 + VECTOR2D(dir.x, -1) * diam,
 p0 );
 }
 else /* MapX1 = 0 */
 {
 triLine( p0 + VECTOR2D( 0, dir.y) * diam,
 p0 + VECTOR2D(-1, dir.y) * diam,
 p0 );
 }
 break;
 
 case GRAPHIC_PINSHAPE::OUTPUT_LOW: // IEEE symbol "Active Low Output"
 m_gal->DrawLine( p0, pos );
 
 if( !dir.y ) // Horizontal pin
 m_gal->DrawLine( p0 - VECTOR2D( 0, diam ), p0 + VECTOR2D( dir.x, 0 ) * diam );
 else // Vertical pin
 m_gal->DrawLine( p0 - VECTOR2D( diam, 0 ), p0 + VECTOR2D( 0, dir.y ) * diam );
 break;
 
 case GRAPHIC_PINSHAPE::NONLOGIC: // NonLogic pin symbol
 m_gal->DrawLine( p0, pos );
 
 m_gal->DrawLine( p0 - VECTOR2D( dir.x + dir.y, dir.y - dir.x ) * radius,
 p0 + VECTOR2D( dir.x + dir.y, dir.y - dir.x ) * radius );
 m_gal->DrawLine( p0 - VECTOR2D( dir.x - dir.y, dir.x + dir.y ) * radius,
 p0 + VECTOR2D( dir.x - dir.y, dir.x + dir.y ) * radius );
 break;
 }
 }
 
 LIB_SYMBOL* libEntry = aPin->GetParent();
 
 // Draw the labels
 
 if( libEntry->Type() == LIB_SYMBOL_T )
 {
 if( drawingShadows && !eeconfig()->m_Selection.draw_selected_children )
 return;
 }
 
 float penWidth = (float) m_schSettings.GetDefaultPenWidth();
 int textOffset = libEntry->GetPinNameOffset();
 float nameStrokeWidth = getLineWidth( aPin, false );
 float numStrokeWidth = getLineWidth( aPin, false );
 bool showPinNames = libEntry->ShowPinNames();
 bool showPinNumbers = m_schSettings.m_ShowPinNumbers || libEntry->ShowPinNumbers();
 
 nameStrokeWidth = Clamp_Text_PenSize( nameStrokeWidth, aPin->GetNameTextSize(), true );
 numStrokeWidth = Clamp_Text_PenSize( numStrokeWidth, aPin->GetNumberTextSize(), true );
 
 float PIN_TEXT_MARGIN = schIUScale.MilsToIU( KiROUND( 24 * m_schSettings.m_TextOffsetRatio ) );
 
 // Four locations around a pin where text can be drawn
 enum { INSIDE = 0, OUTSIDE, ABOVE, BELOW };
 int size[4] = { 0, 0, 0, 0 };
 float thickness[4] = { numStrokeWidth, numStrokeWidth, numStrokeWidth, numStrokeWidth };
 COLOR4D colour[4];
 wxString text[4];
 
 // TextOffset > 0 means pin NAMES on inside, pin NUMBERS above and nothing below
 if( textOffset )
 {
 size [INSIDE] = showPinNames ? aPin->GetNameTextSize() : 0;
 thickness[INSIDE] = nameStrokeWidth;
 colour [INSIDE] = getRenderColor( aPin, LAYER_PINNAM, drawingShadows, aDimmed );
 text [INSIDE] = aPin->GetShownName();
 
 size [ABOVE] = showPinNumbers ? aPin->GetNumberTextSize() : 0;
 thickness[ABOVE] = numStrokeWidth;
 colour [ABOVE] = getRenderColor( aPin, LAYER_PINNUM, drawingShadows, aDimmed );
 text [ABOVE] = aPin->GetShownNumber();
 }
 // Otherwise pin NAMES go above and pin NUMBERS go below
 else
 {
 size [ABOVE] = showPinNames ? aPin->GetNameTextSize() : 0;
 thickness[ABOVE] = nameStrokeWidth;
 colour [ABOVE] = getRenderColor( aPin, LAYER_PINNAM, drawingShadows, aDimmed );
 text [ABOVE] = aPin->GetShownName();
 
 size [BELOW] = showPinNumbers ? aPin->GetNumberTextSize() : 0;
 thickness[BELOW] = numStrokeWidth;
 colour [BELOW] = getRenderColor( aPin, LAYER_PINNUM, drawingShadows, aDimmed );
 text [BELOW] = aPin->GetShownNumber();
 }
 
 if( m_schSettings.m_ShowPinsElectricalType )
 {
 size [OUTSIDE] = std::max( aPin->GetNameTextSize() * 3 / 4, schIUScale.mmToIU( 0.7 ) );
 thickness[OUTSIDE] = float( size[OUTSIDE] ) / 8.0f;
 colour [OUTSIDE] = getRenderColor( aPin, LAYER_PRIVATE_NOTES, drawingShadows, aDimmed );
 text [OUTSIDE] = aPin->GetElectricalTypeName();
 }
 
 // Rendering text is expensive (particularly when using outline fonts). At small effective
 // sizes (ie: zoomed out) the visual differences between outline and/or stroke fonts and the
 // bitmap font becomes immaterial, and there's often more to draw when zoomed out so the
 // performance gain becomes more significant.
 #define BITMAP_FONT_SIZE_THRESHOLD 3.5
 
 bool renderTextAsBitmap = size[0] * m_gal->GetWorldScale() < BITMAP_FONT_SIZE_THRESHOLD
 && size[1] * m_gal->GetWorldScale() < BITMAP_FONT_SIZE_THRESHOLD
 && size[2] * m_gal->GetWorldScale() < BITMAP_FONT_SIZE_THRESHOLD
 && size[3] * m_gal->GetWorldScale() < BITMAP_FONT_SIZE_THRESHOLD;
 
 if( !aPin->IsVisible() )
 {
 for( COLOR4D& c : colour )
 c = getRenderColor( aPin, LAYER_HIDDEN, drawingShadows, aDimmed );
 }
 
 float insideOffset = (float) textOffset - thickness[INSIDE] / 2.0f;
 float outsideOffset = PIN_TEXT_MARGIN + TARGET_PIN_RADIUS - thickness[OUTSIDE] / 2.0f;
 float aboveOffset = PIN_TEXT_MARGIN + penWidth / 2.0f + thickness[ABOVE] / 2.0f;
 float belowOffset = PIN_TEXT_MARGIN + penWidth / 2.0f + thickness[BELOW] / 2.0f;
 
 if( isDangling )
 outsideOffset += TARGET_PIN_RADIUS / 2.0f;
 
 if( drawingShadows )
 {
 float shadowWidth = getShadowWidth( aPin->IsBrightened() );
 
 for( float& t : thickness )
 t += shadowWidth;
 }
 
 auto drawText =
 [&]( int i, const VECTOR2D& aPos, GR_TEXT_H_ALIGN_T hAlign, GR_TEXT_V_ALIGN_T vAlign,
 const EDA_ANGLE& aAngle )
 {
 if( text[i].IsEmpty() )
 return;
 
 // Which of these gets used depends on the font technology, so set both
 m_gal->SetStrokeColor( colour[i] );
 m_gal->SetFillColor( colour[i] );
 
 TEXT_ATTRIBUTES attrs;
 attrs.m_Size = VECTOR2I( size[i], size[i] );
 attrs.m_Halign = hAlign;
 attrs.m_Valign = vAlign;
 attrs.m_Angle = aAngle;
 attrs.m_StrokeWidth = KiROUND( thickness[i] );
 KIFONT::FONT* font = KIFONT::FONT::GetFont( eeconfig()->m_Appearance.default_font, attrs.m_Bold,
 attrs.m_Italic );
 
 if( drawingShadows && !font->IsOutline() )
 {
 strokeText( text[i], aPos, attrs );
 }
 else if( drawingShadows )
 {
 boxText( text[i], aPos, attrs );
 }
 else if( nonCached( aPin ) && renderTextAsBitmap )
 {
 bitmapText( text[i], aPos, attrs );
 const_cast<LIB_PIN*>( aPin )->SetFlags( IS_SHOWN_AS_BITMAP );
 }
 else
 {
 strokeText( text[i], aPos, attrs );
 const_cast<LIB_PIN*>( aPin )->SetFlags( IS_SHOWN_AS_BITMAP );
 }
 };
 
 switch( orient )
 {
 case PIN_LEFT:
 if( size[INSIDE] )
 {
 drawText( INSIDE, pos + VECTOR2D( -insideOffset - (float) len, 0 ),
 GR_TEXT_H_ALIGN_RIGHT, GR_TEXT_V_ALIGN_CENTER, ANGLE_HORIZONTAL );
 }
 if( size[OUTSIDE] )
  {
 drawText( OUTSIDE, pos + VECTOR2D( outsideOffset, 0 ),
 GR_TEXT_H_ALIGN_LEFT, GR_TEXT_V_ALIGN_CENTER, ANGLE_HORIZONTAL );
 }
 if( size[ABOVE] )
 {
 drawText( ABOVE, pos + VECTOR2D( -len / 2.0, -aboveOffset ),
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM, ANGLE_HORIZONTAL );
 }
 if( size[BELOW] )
 {
 drawText( BELOW, pos + VECTOR2D( -len / 2.0, belowOffset ),
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_TOP, ANGLE_HORIZONTAL );
 }
 break;
 
 case PIN_RIGHT:
 if( size[INSIDE] )
 {
 drawText( INSIDE, pos + VECTOR2D( insideOffset + (float) len, 0 ),
 GR_TEXT_H_ALIGN_LEFT, GR_TEXT_V_ALIGN_CENTER, ANGLE_HORIZONTAL );
 }
 if( size[OUTSIDE] )
 {
 drawText( OUTSIDE, pos + VECTOR2D( -outsideOffset, 0 ),
 GR_TEXT_H_ALIGN_RIGHT, GR_TEXT_V_ALIGN_CENTER, ANGLE_HORIZONTAL );
 }
 if( size[ABOVE] )
 {
 drawText( ABOVE, pos + VECTOR2D( len / 2.0, -aboveOffset ),
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM, ANGLE_HORIZONTAL );
 }
 if( size[BELOW] )
 {
 drawText( BELOW, pos + VECTOR2D( len / 2.0, belowOffset ),
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_TOP, ANGLE_HORIZONTAL );
 }
 break;
 
 case PIN_DOWN:
 if( size[INSIDE] )
 {
 drawText( INSIDE, pos + VECTOR2D( 0, insideOffset + (float) len ),
 GR_TEXT_H_ALIGN_RIGHT, GR_TEXT_V_ALIGN_CENTER, ANGLE_VERTICAL );
 }
 if( size[OUTSIDE] )
 {
 drawText( OUTSIDE, pos + VECTOR2D( 0, -outsideOffset ),
 GR_TEXT_H_ALIGN_LEFT, GR_TEXT_V_ALIGN_CENTER, ANGLE_VERTICAL );
 }
 if( size[ABOVE] )
 {
 drawText( ABOVE, pos + VECTOR2D( -aboveOffset, len / 2.0 ),
  GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM, ANGLE_VERTICAL );
 }
 if( size[BELOW] )
 {
 drawText( BELOW, pos + VECTOR2D( belowOffset, len / 2.0 ),
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_TOP, ANGLE_VERTICAL );
 }
 break;
 
 case PIN_UP:
 if( size[INSIDE] )
 {
 drawText( INSIDE, pos + VECTOR2D( 0, -insideOffset - (float) len ),
 GR_TEXT_H_ALIGN_LEFT, GR_TEXT_V_ALIGN_CENTER, ANGLE_VERTICAL );
 }
 if( size[OUTSIDE] )
 {
 drawText( OUTSIDE, pos + VECTOR2D( 0, outsideOffset ),
 GR_TEXT_H_ALIGN_RIGHT, GR_TEXT_V_ALIGN_CENTER, ANGLE_VERTICAL );
 }
 if( size[ABOVE] )
 {
 drawText( ABOVE, pos + VECTOR2D( -aboveOffset, -len / 2.0 ),
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM, ANGLE_VERTICAL );
 }
 if( size[BELOW] )
 {
 drawText( BELOW, pos + VECTOR2D( belowOffset, -len / 2.0 ),
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_TOP, ANGLE_VERTICAL );
 }
 break;
 
 default:
 wxFAIL_MSG( "Unknown pin orientation" );
 }
}
 
 
// Draw the target (an open square) for a wire or label which has no connection or is
// being moved.
void SCH_PAINTER::drawDanglingSymbol( const VECTOR2I& aPos, const COLOR4D& aColor, int aWidth,
 bool aDangling, bool aDrawingShadows, bool aBrightened )
{
 int size = aDangling ? DANGLING_SYMBOL_SIZE : UNSELECTED_END_SIZE;
 
 if( !aDangling )
 aWidth /= 2;
 
 VECTOR2I radius( aWidth + schIUScale.MilsToIU( size / 2 ),
 aWidth + schIUScale.MilsToIU( size / 2 ) );
 
 // Dangling symbols must be drawn in a slightly different colour so they can be seen when
 // they overlap with a junction dot.
 m_gal->SetStrokeColor( aColor.Brightened( 0.3 ) );
 m_gal->SetIsStroke( true );
 m_gal->SetIsFill( false );
 m_gal->SetLineWidth( aDrawingShadows ? getShadowWidth( aBrightened )
 : m_schSettings.GetDanglineSymbolThickness() );
 
 m_gal->DrawRectangle( aPos - radius, aPos + radius );
}
 
 
void SCH_PAINTER::draw( const SCH_JUNCTION *aJct, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( drawingShadows && !( aJct->IsBrightened() || aJct->IsSelected() ) )
 return;
 
 COLOR4D color = getRenderColor( aJct, aJct->GetLayer(), drawingShadows );
 
 int junctionSize = aJct->GetEffectiveDiameter() / 2;
 
 if( junctionSize > 1 )
 {
 m_gal->SetIsStroke( drawingShadows );
 m_gal->SetLineWidth( getLineWidth( aJct, drawingShadows ) );
 m_gal->SetStrokeColor( color );
 m_gal->SetIsFill( !drawingShadows );
 m_gal->SetFillColor( color );
 m_gal->DrawCircle( aJct->GetPosition(), junctionSize );
 }
}
 
 
void SCH_PAINTER::draw( const SCH_LINE *aLine, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 bool drawingDangling = aLayer == LAYER_DANGLING;
 bool drawingOP = aLayer == LAYER_OP_VOLTAGES;
 
 if( drawingShadows && !( aLine->IsBrightened() || aLine->IsSelected() ) )
 return;
 
 // Line end dangling status isn't updated until the line is finished drawing,
 // so don't warn them about ends that are probably connected
 if( aLine->IsNew() && drawingDangling )
 return;
 
 COLOR4D color = getRenderColor( aLine, aLine->GetLayer(), drawingShadows );
 float width = getLineWidth( aLine, drawingShadows );
 PLOT_DASH_TYPE lineStyle = aLine->GetEffectiveLineStyle();
 
 if( ( drawingDangling || drawingShadows ) && !aLine->IsNew() )
 {
 if( ( aLine->IsWire() && aLine->IsStartDangling() )
 || ( drawingShadows && aLine->IsSelected() && !aLine->HasFlag( STARTPOINT ) ) )
 {
 COLOR4D danglingColor =
 ( drawingShadows && !aLine->HasFlag( STARTPOINT ) ) ? color.Inverted() : color;
 drawDanglingSymbol( aLine->GetStartPoint(), danglingColor,
 KiROUND( getLineWidth( aLine, drawingShadows ) ),
 aLine->IsWire() && aLine->IsStartDangling(), drawingShadows,
 aLine->IsBrightened() );
 }
 
 if( ( aLine->IsWire() && aLine->IsEndDangling() )
 || ( drawingShadows && aLine->IsSelected() && !aLine->HasFlag( ENDPOINT ) ) )
 {
 COLOR4D danglingColor =
 ( drawingShadows && !aLine->HasFlag( ENDPOINT ) ) ? color.Inverted() : color;
 drawDanglingSymbol( aLine->GetEndPoint(), danglingColor,
 KiROUND( getLineWidth( aLine, drawingShadows ) ),
 aLine->IsWire() && aLine->IsEndDangling(), drawingShadows,
 aLine->IsBrightened() );
 }
 }
 
 if( drawingDangling )
 return;
 
 if( drawingOP && !aLine->GetOperatingPoint().IsEmpty() )
 {
 int textSize = getOperatingPointTextSize();
 VECTOR2I pos = aLine->GetMidPoint();
 int textOffset = KiROUND( textSize * 0.22 );
 TEXT_ATTRIBUTES attrs;
 
 if( aLine->GetStartPoint().y == aLine->GetEndPoint().y )
 {
 pos.y -= textOffset;
 attrs.m_Halign = GR_TEXT_H_ALIGN_CENTER;
 attrs.m_Valign = GR_TEXT_V_ALIGN_BOTTOM;
 }
 else
 {
 pos.x += KiROUND( textOffset * 1.2 );
 attrs.m_Halign = GR_TEXT_H_ALIGN_LEFT;
 attrs.m_Valign = GR_TEXT_V_ALIGN_CENTER;
 }
 
 attrs.m_Font = KIFONT::FONT::GetFont(); // always use stroke font for performance
 attrs.m_Size = VECTOR2I( textSize, textSize );
 attrs.m_StrokeWidth = GetPenSizeForDemiBold( textSize );
 attrs.m_Color = m_schSettings.GetLayerColor( LAYER_OP_VOLTAGES );
 
 knockoutText( aLine->GetOperatingPoint(), pos, attrs );
 return;
 }
 
 m_gal->SetIsStroke( true );
 m_gal->SetStrokeColor( color );
 m_gal->SetLineWidth( width );
 
 if( lineStyle <= PLOT_DASH_TYPE::FIRST_TYPE || drawingShadows )
 {
 m_gal->DrawLine( aLine->GetStartPoint(), aLine->GetEndPoint() );
 }
 else
 {
 SHAPE_SEGMENT line( aLine->GetStartPoint(), aLine->GetEndPoint() );
 
 STROKE_PARAMS::Stroke( &line, lineStyle, KiROUND( width ), &m_schSettings,
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 // DrawLine has problem with 0 length lines
 // so draw a line with a minimal length
 if( a == b )
 m_gal->DrawLine( a+1, b );
 else
 m_gal->DrawLine( a, b );
 } );
 }
}
 
 
void SCH_PAINTER::draw( const SCH_SHAPE* aShape, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 PLOT_DASH_TYPE lineStyle = aShape->GetEffectiveLineStyle();
 COLOR4D color = getRenderColor( aShape, aLayer, drawingShadows );
 
 if( drawingShadows && !( aShape->IsBrightened() || aShape->IsSelected() ) )
 return;
 
 auto drawShape =
 [&]( const SCH_SHAPE* shape )
 {
 switch( shape->GetShape() )
 {
 case SHAPE_T::ARC:
 {
 EDA_ANGLE startAngle;
 EDA_ANGLE endAngle;
 aShape->CalcArcAngles( startAngle, endAngle );
 
 m_gal->DrawArc( aShape->GetCenter(), aShape->GetRadius(), startAngle,
 endAngle );
 break;
 }
 
 case SHAPE_T::CIRCLE:
 m_gal->DrawCircle( shape->GetPosition(), shape->GetRadius() );
 break;
 
 case SHAPE_T::RECT:
 m_gal->DrawRectangle( shape->GetPosition(), shape->GetEnd() );
 break;
 
 case SHAPE_T::POLY:
 {
 std::deque<VECTOR2D> pts;
 
 for( const VECTOR2I& pt : shape->GetPolyShape().Outline( 0 ).CPoints() )
 pts.push_back( pt );
 
 m_gal->DrawPolygon( pts );
 break;
 }
 
 case SHAPE_T::BEZIER:
 {
 std::deque<VECTOR2D> pts;
 
 for( const VECTOR2I &p : shape->GetPolyShape().Outline( 0 ).CPoints() )
 pts.push_back( p );
 
 m_gal->DrawPolygon( pts );
 break;
 }
 
 default:
 UNIMPLEMENTED_FOR( shape->SHAPE_T_asString() );
 }
 };
 
 if( aLayer == LAYER_SELECTION_SHADOWS )
 {
 if( eeconfig()->m_Selection.fill_shapes )
 {
 // Consider a NAND gate. We have no idea which side of the arc is "inside"
 // so we can't reliably fill.
 if( aShape->GetShape() == SHAPE_T::ARC )
 m_gal->SetIsFill( aShape->IsFilled() );
 else
 m_gal->SetIsFill( true );
 
 m_gal->SetIsStroke( false );
 m_gal->SetFillColor( color );
 }
 else
 {
 m_gal->SetIsStroke( true );
 m_gal->SetIsFill( false );
 m_gal->SetLineWidth( getLineWidth( aShape, true ) );
 m_gal->SetStrokeColor( color );
 }
 
 drawShape( aShape );
 }
 else if( aLayer == LAYER_NOTES_BACKGROUND )
 {
 if( aShape->IsFilled() )
 {
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 m_gal->SetFillColor( color );
 
 drawShape( aShape );
 }
 }
 else if( aLayer == LAYER_NOTES )
 {
 float lineWidth = getLineWidth( aShape, drawingShadows );
 
 if( lineWidth > 0 )
 {
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( lineWidth );
 m_gal->SetStrokeColor( color );
 
 if( lineStyle <= PLOT_DASH_TYPE::FIRST_TYPE || drawingShadows )
 {
 drawShape( aShape );
 }
 else
 {
 std::vector<SHAPE*> shapes = aShape->MakeEffectiveShapes( true );
 
 for( SHAPE* shape : shapes )
 {
 STROKE_PARAMS::Stroke( shape, lineStyle, KiROUND( lineWidth ), &m_schSettings,
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 // DrawLine has problem with 0 length lines so enforce minimum
 if( a == b )
 m_gal->DrawLine( a+1, b );
 else
 m_gal->DrawLine( a, b );
 } );
 }
 
 for( SHAPE* shape : shapes )
 delete shape;
 }
 }
 }
}
 
 
void SCH_PAINTER::draw( const SCH_TEXT *aText, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 bool drawingDangling = aLayer == LAYER_DANGLING;
 
 if( drawingShadows && !( aText->IsBrightened() || aText->IsSelected() ) )
 return;
 
 switch( aText->Type() )
 {
 case SCH_SHEET_PIN_T: aLayer = LAYER_SHEETLABEL; break;
 case SCH_HIER_LABEL_T: aLayer = LAYER_HIERLABEL; break;
 case SCH_GLOBAL_LABEL_T: aLayer = LAYER_GLOBLABEL; break;
 case SCH_DIRECTIVE_LABEL_T: aLayer = LAYER_NETCLASS_REFS; break;
 case SCH_LABEL_T: aLayer = LAYER_LOCLABEL; break;
 default: aLayer = LAYER_NOTES; break;
 }
 
 COLOR4D color = getRenderColor( aText, aLayer, drawingShadows );
 
 if( m_schematic )
 {
 SCH_CONNECTION* conn = nullptr;
 
 if( !aText->IsConnectivityDirty() )
 conn = aText->Connection();
 
 if( conn && conn->IsBus() )
 color = getRenderColor( aText, LAYER_BUS, drawingShadows );
 }
 
 if( !( aText->IsVisible() || aText->IsForceVisible() ) )
 {
 if( !m_schematic || eeconfig()->m_Appearance.show_hidden_fields )
 color = getRenderColor( aText, LAYER_HIDDEN, drawingShadows );
 else
 return;
 }
 
 if( drawingDangling )
 {
 if( aText->IsDangling() )
 {
 drawDanglingSymbol( aText->GetTextPos(), color,
 schIUScale.MilsToIU( DANGLING_SYMBOL_SIZE / 2 ), true,
 drawingShadows, aText->IsBrightened() );
 }
 
 return;
 }
 
 m_gal->SetStrokeColor( color );
 m_gal->SetFillColor( color );
 
 wxString shownText( aText->GetShownText() );
 VECTOR2I text_offset = aText->GetSchematicTextOffset( &m_schSettings );
 TEXT_ATTRIBUTES attrs = aText->GetAttributes();
 KIFONT::FONT* font = getFont( aText );
 
 attrs.m_Angle = aText->GetDrawRotation();
 attrs.m_StrokeWidth = KiROUND( getTextThickness( aText ) );
 
 if( drawingShadows && !font->IsOutline() )
 {
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 attrs.m_StrokeWidth += getShadowWidth( !aText->IsSelected() );
 attrs.m_Underlined = false;
 strokeText( shownText, aText->GetDrawPos() + text_offset, attrs );
 
 }
 else if( drawingShadows )
 {
 BOX2I bBox = aText->GetBoundingBox();
 bBox.Inflate( KiROUND( getTextThickness( aText ) * 2 ) );
 bBox.RevertYAxis();
 
 m_gal->SetIsStroke( false );
 m_gal->SetIsFill( true );
 m_gal->DrawRectangle( mapCoords( bBox.GetPosition() ), mapCoords( bBox.GetEnd() ) );
 }
 else
 {
 if( aText->IsHypertext() && aText->IsRollover() )
 {
 m_gal->SetStrokeColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
 m_gal->SetFillColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
 attrs.m_Underlined = true;
 }
 
 // Adjust text drawn in an outline font to more closely mimic the positioning of
 // SCH_FIELD text.
 if( font->IsOutline() && aText->Type() == SCH_TEXT_T )
 {
 BOX2I firstLineBBox = aText->GetTextBox( 0 );
 int sizeDiff = firstLineBBox.GetHeight() - aText->GetTextSize().y;
 int adjust = KiROUND( sizeDiff * 0.4 );
 VECTOR2I adjust_offset( 0, - adjust );
 
 RotatePoint( adjust_offset, aText->GetDrawRotation() );
 text_offset += adjust_offset;
 }
 
 if( nonCached( aText )
 && aText->RenderAsBitmap( m_gal->GetWorldScale() )
 && !shownText.Contains( wxT( "\n" ) ) )
 {
 bitmapText( shownText, aText->GetDrawPos() + text_offset, attrs );
 const_cast<SCH_TEXT*>( aText )->SetFlags( IS_SHOWN_AS_BITMAP );
 }
 else
 {
 std::vector<std::unique_ptr<KIFONT::GLYPH>>* cache = nullptr;
 
 if( !aText->IsHypertext() && font->IsOutline() )
 cache = aText->GetRenderCache( font, shownText, text_offset );
 
 if( cache )
 {
 for( const std::unique_ptr<KIFONT::GLYPH>& glyph : *cache )
 m_gal->DrawGlyph( *glyph );
 }
 else
 {
 strokeText( shownText, aText->GetDrawPos() + text_offset, attrs );
 }
 
 const_cast<SCH_TEXT*>( aText )->ClearFlags( IS_SHOWN_AS_BITMAP );
 }
 }
}
 
 
void SCH_PAINTER::draw( const SCH_TEXTBOX* aTextBox, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 COLOR4D color = getRenderColor( aTextBox, aLayer, drawingShadows );
 float borderWidth = getLineWidth( aTextBox, drawingShadows );
 
 KIFONT::FONT* font = aTextBox->GetFont();
 
 if( !font )
 {
 font = KIFONT::FONT::GetFont( m_schSettings.GetDefaultFont(), aTextBox->IsBold(),
 aTextBox->IsItalic() );
 }
 
 auto drawText =
 [&]()
 {
 wxString shownText = aTextBox->GetShownText();
 TEXT_ATTRIBUTES attrs = aTextBox->GetAttributes();
 
 attrs.m_Angle = aTextBox->GetDrawRotation();
 attrs.m_StrokeWidth = KiROUND( getTextThickness( aTextBox ) );
 
 if( aTextBox->IsHypertext() && aTextBox->IsRollover() )
 {
 m_gal->SetStrokeColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
 m_gal->SetFillColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
 attrs.m_Underlined = true;
 }
 
 std::vector<std::unique_ptr<KIFONT::GLYPH>>* cache = nullptr;
 
 if( !aTextBox->IsHypertext() && font->IsOutline() )
 cache = aTextBox->GetRenderCache( font, shownText );
 
 if( cache )
 {
 for( const std::unique_ptr<KIFONT::GLYPH>& glyph : *cache )
 m_gal->DrawGlyph( *glyph );
 }
 else
 {
 strokeText( shownText, aTextBox->GetDrawPos(), attrs );
 }
 };
 
 if( drawingShadows && !( aTextBox->IsBrightened() || aTextBox->IsSelected() ) )
 return;
 
 m_gal->SetFillColor( color );
 m_gal->SetStrokeColor( color );
 
 if( aLayer == LAYER_SELECTION_SHADOWS )
 {
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 m_gal->SetLineWidth( borderWidth );
 
 m_gal->DrawRectangle( aTextBox->GetPosition(), aTextBox->GetEnd() );
 }
 else if( aLayer == LAYER_NOTES_BACKGROUND )
 {
 if( aTextBox->IsFilled() )
 {
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 m_gal->SetLineWidth( borderWidth );
 
 m_gal->DrawRectangle( aTextBox->GetPosition(), aTextBox->GetEnd() );
 }
 }
 else if( aLayer == LAYER_NOTES )
 {
 drawText();
 
 if( borderWidth > 0 )
 {
 COLOR4D borderColor = aTextBox->GetStroke().GetColor();
 PLOT_DASH_TYPE borderStyle = aTextBox->GetEffectiveLineStyle();
 
 if( m_schSettings.m_OverrideItemColors || aTextBox->IsBrightened()
 || borderColor == COLOR4D::UNSPECIFIED )
 {
 borderColor = m_schSettings.GetLayerColor( aLayer );
 }
 
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetStrokeColor( borderColor );
 m_gal->SetLineWidth( borderWidth );
 
 if( borderStyle <= PLOT_DASH_TYPE::FIRST_TYPE || drawingShadows )
 {
 m_gal->DrawRectangle( aTextBox->GetPosition(), aTextBox->GetEnd() );
 }
 else
 {
 std::vector<SHAPE*> shapes = aTextBox->MakeEffectiveShapes( true );
 
 for( SHAPE* shape : shapes )
 {
 STROKE_PARAMS::Stroke( shape, borderStyle, KiROUND( borderWidth ),
 &m_schSettings,
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 // DrawLine has problem with 0 length lines so enforce minimum
 if( a == b )
 m_gal->DrawLine( a+1, b );
 else
 m_gal->DrawLine( a, b );
 } );
 }
 
 for( SHAPE* shape : shapes )
 delete shape;
 }
 }
 }
}
 
 
static void orientSymbol( LIB_SYMBOL* symbol, int orientation )
{
 struct ORIENT
 {
 int flag;
 int n_rots;
 int mirror_x;
 int mirror_y;
 }
 orientations[] =
 {
 { SYM_ORIENT_0, 0, 0, 0 },
 { SYM_ORIENT_90, 1, 0, 0 },
 { SYM_ORIENT_180, 2, 0, 0 },
 { SYM_ORIENT_270, 3, 0, 0 },
 { SYM_MIRROR_X + SYM_ORIENT_0, 0, 1, 0 },
 { SYM_MIRROR_X + SYM_ORIENT_90, 1, 1, 0 },
 { SYM_MIRROR_Y, 0, 0, 1 },
 { SYM_MIRROR_X + SYM_ORIENT_270, 3, 1, 0 },
 { SYM_MIRROR_Y + SYM_ORIENT_0, 0, 0, 1 },
 { SYM_MIRROR_Y + SYM_ORIENT_90, 1, 0, 1 },
 { SYM_MIRROR_Y + SYM_ORIENT_180, 2, 0, 1 },
 { SYM_MIRROR_Y + SYM_ORIENT_270, 3, 0, 1 }
 };
 
 ORIENT o = orientations[ 0 ];
 
 for( ORIENT& i : orientations )
 {
 if( i.flag == orientation )
 {
 o = i;
 break;
 }
 }
 
 for( LIB_ITEM& item : symbol->GetDrawItems() )
 {
 for( int i = 0; i < o.n_rots; i++ )
 item.Rotate( VECTOR2I(0, 0 ), true );
 
 if( o.mirror_x )
 item.MirrorVertical( VECTOR2I( 0, 0 ) );
 
 if( o.mirror_y )
 item.MirrorHorizontal( VECTOR2I( 0, 0 ) );
 }
}
 
 
wxString expandLibItemTextVars( const wxString& aSourceText, const SCH_SYMBOL* aSymbolContext )
{
 std::function<bool( wxString* )> symbolResolver =
 [&]( wxString* token ) -> bool
 {
 return aSymbolContext->ResolveTextVar( token, 0 );
 };
 
 return ExpandTextVars( aSourceText, &symbolResolver );
}
 
 
void SCH_PAINTER::draw( const SCH_SYMBOL* aSymbol, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( !drawingShadows || eeconfig()->m_Selection.draw_selected_children )
 {
 for( const SCH_FIELD& field : aSymbol->GetFields() )
 draw( &field, aLayer, aSymbol->GetDNP() );
 }
 
 if( isFieldsLayer( aLayer ) )
 return;
 
 if( drawingShadows && !( aSymbol->IsBrightened() || aSymbol->IsSelected() ) )
 {
 // Don't exit here; symbol may still have selected pins
 // return;
 }
 
 int unit = aSymbol->GetUnitSelection( &m_schematic->CurrentSheet() );
 int convert = aSymbol->GetConvert();
 
 // Use dummy symbol if the actual couldn't be found (or couldn't be locked).
 LIB_SYMBOL* originalSymbol = aSymbol->GetLibSymbolRef() ?
 aSymbol->GetLibSymbolRef().get() : dummy();
 LIB_PINS originalPins;
 originalSymbol->GetPins( originalPins, unit, convert );
 
 // Copy the source so we can re-orient and translate it.
 LIB_SYMBOL tempSymbol( *originalSymbol );
 LIB_PINS tempPins;
 tempSymbol.GetPins( tempPins, unit, convert );
 
 tempSymbol.SetFlags( aSymbol->GetFlags() );
 
 orientSymbol( &tempSymbol, aSymbol->GetOrientation() );
 
 for( LIB_ITEM& tempItem : tempSymbol.GetDrawItems() )
 {
 tempItem.SetFlags( aSymbol->GetFlags() ); // SELECTED, HIGHLIGHTED, BRIGHTENED,
 tempItem.MoveTo( tempItem.GetPosition() + (VECTOR2I) mapCoords( aSymbol->GetPosition() ) );
 
 if( tempItem.Type() == LIB_TEXT_T )
 {
 LIB_TEXT* textItem = static_cast<LIB_TEXT*>( &tempItem );
 
 if( textItem->HasTextVars() )
 textItem->SetText( expandLibItemTextVars( textItem->GetText(), aSymbol ) );
 }
 else if( tempItem.Type() == LIB_TEXTBOX_T )
 {
 LIB_TEXTBOX* textboxItem = static_cast<LIB_TEXTBOX*>( &tempItem );
 
 if( textboxItem->HasTextVars() )
 textboxItem->SetText( expandLibItemTextVars( textboxItem->GetText(), aSymbol ) );
 }
 }
 
 // Copy the pin info from the symbol to the temp pins
 for( unsigned i = 0; i < tempPins.size(); ++ i )
 {
 SCH_PIN* symbolPin = aSymbol->GetPin( originalPins[ i ] );
 LIB_PIN* tempPin = tempPins[ i ];
 
 tempPin->ClearFlags();
 tempPin->SetFlags( symbolPin->GetFlags() ); // SELECTED, HIGHLIGHTED, BRIGHTENED,
 // IS_SHOWN_AS_BITMAP
 
 tempPin->SetName( symbolPin->GetShownName() );
 tempPin->SetType( symbolPin->GetType() );
 tempPin->SetShape( symbolPin->GetShape() );
 
 if( symbolPin->IsDangling() )
 tempPin->SetFlags( IS_DANGLING );
 else
 tempPin->ClearFlags( IS_DANGLING );
 
 tempPin->SetOperatingPoint( symbolPin->GetOperatingPoint() );
 }
 
 draw( &tempSymbol, aLayer, false, aSymbol->GetUnit(), aSymbol->GetConvert(), aSymbol->GetDNP() );
 
 for( unsigned i = 0; i < tempPins.size(); ++i )
 {
 SCH_PIN* symbolPin = aSymbol->GetPin( originalPins[ i ] );
 LIB_PIN* tempPin = tempPins[ i ];
 
 symbolPin->ClearFlags();
 tempPin->ClearFlags( IS_DANGLING ); // Clear this temporary flag
 symbolPin->SetFlags( tempPin->GetFlags() ); // SELECTED, HIGHLIGHTED, BRIGHTENED,
 // IS_SHOWN_AS_BITMAP
 }
 
 if( aSymbol->GetDNP() )
 {
 COLOR_SETTINGS* colors = Pgm().GetSettingsManager().GetColorSettings();
 BOX2I bbox = aSymbol->GetBodyAndPinsBoundingBox();
 VECTOR2I pt1 = bbox.GetOrigin();
 VECTOR2I pt2 = bbox.GetEnd();
 
 m_gal->PushDepth();
 m_gal->AdvanceDepth();
 m_gal->SetIsStroke( true );
 m_gal->SetIsFill( true );
 m_gal->SetStrokeColor( colors->GetColor( LAYER_ERC_ERR ) );
 m_gal->SetFillColor( colors->GetColor( LAYER_ERC_ERR ) );
 
 m_gal->DrawSegment( pt1, pt2, 3.0 * schIUScale.MilsToIU( DEFAULT_LINE_WIDTH_MILS ) );
 std::swap( pt1.x, pt2.x );
 m_gal->DrawSegment( pt1, pt2, 3.0 * schIUScale.MilsToIU( DEFAULT_LINE_WIDTH_MILS ) );
 m_gal->PopDepth();
 }
}
 
 
void SCH_PAINTER::draw( const SCH_FIELD* aField, int aLayer, bool aDimmed )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( drawingShadows && !( aField->IsBrightened() || aField->IsSelected() ) )
 return;
 
 if( !drawingShadows && aField->GetLayer() != aLayer )
 return;
 
 aLayer = aField->GetLayer();
 
 COLOR4D color = getRenderColor( aField, aLayer, drawingShadows, aDimmed );
 
 if( !( aField->IsVisible() || aField->IsForceVisible() ) )
 {
 if( !m_schematic || eeconfig()->m_Appearance.show_hidden_fields )
 color = getRenderColor( aField, LAYER_HIDDEN, drawingShadows, aDimmed );
 else
 return;
 }
 
 wxString shownText = aField->GetShownText();
 
 if( shownText.IsEmpty() )
 return;
 
 // Calculate the text orientation according to the parent orientation.
 EDA_ANGLE orient = aField->GetTextAngle();
 
 if( aField->GetParent() && aField->GetParent()->Type() == SCH_SYMBOL_T )
 {
 if( static_cast<SCH_SYMBOL*>( aField->GetParent() )->GetTransform().y1 )
 {
 // Rotate symbol 90 degrees.
 if( orient.IsHorizontal() )
 orient = ANGLE_VERTICAL;
 else
 orient = ANGLE_HORIZONTAL;
 }
 }
 
 /*
 * Calculate the text justification, according to the symbol orientation/mirror.
 * This is a bit complicated due to cumulative calculations:
 * - numerous cases (mirrored or not, rotation)
 * - the DrawGraphicText function recalculate also H and H justifications according to the
 * text orientation.
 * - when symbol is mirrored, the text is not mirrored and justifications are complicated
 * to calculate so the easier way is to use no justifications (centered text) and use
 * GetBoundingBox to know the text coordinate considered as centered
 */
 BOX2I bbox = aField->GetBoundingBox();
 
 if( aField->GetParent() && aField->GetParent()->Type() == SCH_GLOBAL_LABEL_T )
 {
 SCH_GLOBALLABEL* label = static_cast<SCH_GLOBALLABEL*>( aField->GetParent() );
 bbox.Offset( label->GetSchematicTextOffset( &m_schSettings ) );
 }
 
 if( m_schSettings.GetDrawBoundingBoxes() )
 {
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetStrokeColor( aField->IsSelected() ? COLOR4D( 1.0, 0.2, 0.2, 1 )
 : COLOR4D( 0.2, 0.2, 0.2, 1 ) );
 m_gal->SetLineWidth( schIUScale.MilsToIU( 3 ) );
 m_gal->DrawRectangle( bbox.GetOrigin(), bbox.GetEnd() );
 }
 
 m_gal->SetStrokeColor( color );
 m_gal->SetFillColor( color );
 
 if( drawingShadows && getFont( aField )->IsOutline() )
 {
 BOX2I shadow_box = bbox;
 shadow_box.Inflate( KiROUND( getTextThickness( aField ) * 2 ) );
 shadow_box.RevertYAxis();
 
 m_gal->SetIsStroke( false );
 m_gal->SetIsFill( true );
 m_gal->DrawRectangle( mapCoords( shadow_box.GetPosition() ), mapCoords( shadow_box.GetEnd() ) );
 }
 else
 {
 VECTOR2I textpos = bbox.Centre();
 TEXT_ATTRIBUTES attributes = aField->GetAttributes();
 
 attributes.m_Halign = GR_TEXT_H_ALIGN_CENTER;
 attributes.m_Valign = GR_TEXT_V_ALIGN_CENTER;
 attributes.m_StrokeWidth = KiROUND( getTextThickness( aField ) );
 attributes.m_Angle = orient;
 
 if( drawingShadows )
 attributes.m_StrokeWidth += getShadowWidth( !aField->IsSelected() );
 
 if( aField->IsHypertext() && aField->IsRollover() )
 {
 m_gal->SetStrokeColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
 m_gal->SetFillColor( m_schSettings.GetLayerColor( LAYER_HOVERED ) );
 attributes.m_Underlined = true;
 }
 
 if( nonCached( aField ) && aField->RenderAsBitmap( m_gal->GetWorldScale() ) )
 {
 bitmapText( shownText, textpos, attributes );
 const_cast<SCH_FIELD*>( aField )->SetFlags( IS_SHOWN_AS_BITMAP );
 }
 else
 {
 std::vector<std::unique_ptr<KIFONT::GLYPH>>* cache = nullptr;
 
 if( !aField->IsHypertext() )
 cache = aField->GetRenderCache( shownText, textpos, attributes );
 
 if( cache )
 {
 for( const std::unique_ptr<KIFONT::GLYPH>& glyph : *cache )
 m_gal->DrawGlyph( *glyph );
 }
 else
 {
 strokeText( shownText, textpos, attributes );
 }
 
 const_cast<SCH_FIELD*>( aField )->ClearFlags( IS_SHOWN_AS_BITMAP );
 }
 }
 
 // Draw the umbilical line
 if( aField->IsMoving() )
 {
 VECTOR2I parentPos = aField->GetParentPosition();
 
 m_gal->SetLineWidth( m_schSettings.m_outlineWidth );
 m_gal->SetStrokeColor( getRenderColor( aField, LAYER_SCHEMATIC_ANCHOR, drawingShadows ) );
 m_gal->DrawLine( bbox.Centre(), parentPos );
 }
}
 
 
void SCH_PAINTER::draw( const SCH_GLOBALLABEL *aLabel, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( !drawingShadows || eeconfig()->m_Selection.draw_selected_children )
 {
 for( const SCH_FIELD& field : aLabel->GetFields() )
 draw( &field, aLayer, false );
 }
 
 if( isFieldsLayer( aLayer ) )
 return;
 
 if( drawingShadows && !( aLabel->IsBrightened() || aLabel->IsSelected() ) )
 return;
 
 COLOR4D color = getRenderColor( aLabel, LAYER_GLOBLABEL, drawingShadows );
 
 std::vector<VECTOR2I> pts;
 std::deque<VECTOR2D> pts2;
 
 aLabel->CreateGraphicShape( &m_schSettings, pts, aLabel->GetTextPos() );
 
 for( const VECTOR2I& p : pts )
 pts2.emplace_back( VECTOR2D( p.x, p.y ) );
 
 // The text is drawn inside the graphic shape.
 // On Cairo the graphic shape is filled by the background before drawing the text.
 // However if the text is selected, it is draw twice: first on LAYER_SELECTION_SHADOWS
 // and second on the text layer. The second must not erase the first drawing.
 bool fillBg = ( ( aLayer == LAYER_SELECTION_SHADOWS ) || !aLabel->IsSelected() )
 && aLayer != LAYER_DANGLING;
 m_gal->SetIsFill( fillBg );
 m_gal->SetFillColor( m_schSettings.GetLayerColor( LAYER_SCHEMATIC_BACKGROUND ) );
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( getTextThickness( aLabel ) );
 m_gal->SetStrokeColor( color );
 m_gal->DrawPolyline( pts2 );
 
 draw( static_cast<const SCH_TEXT*>( aLabel ), aLayer );
}
 
 
void SCH_PAINTER::draw( const SCH_LABEL *aLabel, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( !drawingShadows || eeconfig()->m_Selection.draw_selected_children )
 {
 for( const SCH_FIELD& field : aLabel->GetFields() )
 draw( &field, aLayer, false );
 }
 
 if( isFieldsLayer( aLayer ) )
 return;
 
 if( drawingShadows && !( aLabel->IsBrightened() || aLabel->IsSelected() ) )
 return;
 
 draw( static_cast<const SCH_TEXT*>( aLabel ), aLayer );
}
 
 
void SCH_PAINTER::draw( const SCH_HIERLABEL *aLabel, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( !drawingShadows || eeconfig()->m_Selection.draw_selected_children )
 {
 for( const SCH_FIELD& field : aLabel->GetFields() )
 draw( &field, aLayer, false );
 }
 
 if( isFieldsLayer( aLayer ) )
 return;
 
 if( drawingShadows && !( aLabel->IsBrightened() || aLabel->IsSelected() ) )
 return;
 
 COLOR4D color = getRenderColor( aLabel, LAYER_HIERLABEL, drawingShadows );
 
 if( m_schematic )
 {
 SCH_CONNECTION* conn = nullptr;
 
 if( !aLabel->IsConnectivityDirty() )
 conn = aLabel->Connection();
 
 if( conn && conn->IsBus() )
 color = getRenderColor( aLabel, LAYER_BUS, drawingShadows );
 }
 
 std::vector<VECTOR2I> pts;
 std::deque<VECTOR2D> pts2;
 
 aLabel->CreateGraphicShape( &m_schSettings, pts, (VECTOR2I)aLabel->GetTextPos() );
 
 for( const VECTOR2I& p : pts )
 pts2.emplace_back( VECTOR2D( p.x, p.y ) );
 
 m_gal->SetIsFill( true );
 m_gal->SetFillColor( m_schSettings.GetLayerColor( LAYER_SCHEMATIC_BACKGROUND ) );
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( getTextThickness( aLabel ) );
 m_gal->SetStrokeColor( color );
 m_gal->DrawPolyline( pts2 );
 
 draw( static_cast<const SCH_TEXT*>( aLabel ), aLayer );
}
 
 
void SCH_PAINTER::draw( const SCH_DIRECTIVE_LABEL *aLabel, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( !drawingShadows || eeconfig()->m_Selection.draw_selected_children )
 {
 for( const SCH_FIELD& field : aLabel->GetFields() )
 draw( &field, aLayer, false );
 }
 
 if( isFieldsLayer( aLayer ) )
 return;
 
 if( drawingShadows && !( aLabel->IsBrightened() || aLabel->IsSelected() ) )
 return;
 
 COLOR4D color = getRenderColor( aLabel, LAYER_NETCLASS_REFS, drawingShadows );
 
 if( aLayer == LAYER_DANGLING )
 {
 if( aLabel->IsDangling() )
 {
 drawDanglingSymbol( aLabel->GetTextPos(), color,
 schIUScale.MilsToIU( DANGLING_SYMBOL_SIZE / 2 ), true,
 drawingShadows, aLabel->IsBrightened() );
 }
 
 return;
 }
 
 std::vector<VECTOR2I> pts;
 std::deque<VECTOR2D> pts2;
 
 aLabel->CreateGraphicShape( &m_schSettings, pts, aLabel->GetTextPos() );
 
 for( const VECTOR2I& p : pts )
 pts2.emplace_back( VECTOR2D( p.x, p.y ) );
 
 m_gal->SetIsFill( false );
 m_gal->SetFillColor( color );
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( getLineWidth( aLabel, drawingShadows ) );
 m_gal->SetStrokeColor( color );
 
 if( aLabel->GetShape() == LABEL_FLAG_SHAPE::F_DOT )
 {
 m_gal->DrawLine( pts2[0], pts2[1] );
 m_gal->SetIsFill( true );
 m_gal->DrawCircle( pts2[2], ( pts2[2] - pts2[1] ).EuclideanNorm() );
 }
 else if( aLabel->GetShape() == LABEL_FLAG_SHAPE::F_ROUND )
 {
 m_gal->DrawLine( pts2[0], pts2[1] );
 m_gal->DrawCircle( pts2[2], ( pts2[2] - pts2[1] ).EuclideanNorm() );
 }
 else
 {
 m_gal->DrawPolyline( pts2 );
 }
}
 
 
void SCH_PAINTER::draw( const SCH_SHEET *aSheet, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( !drawingShadows || eeconfig()->m_Selection.draw_selected_children )
 {
 for( const SCH_FIELD& field : aSheet->GetFields() )
 draw( &field, aLayer, false );
 }
 
 if( isFieldsLayer( aLayer ) )
 return;
 
 if( aLayer == LAYER_HIERLABEL || aLayer == LAYER_SELECTION_SHADOWS )
 {
 for( SCH_SHEET_PIN* sheetPin : aSheet->GetPins() )
 {
 if( drawingShadows )
 {
 if( ( aSheet->IsBrightened() || aSheet->IsSelected() )
 && eeconfig()->m_Selection.draw_selected_children )
 {
 // fall through to draw
 }
 else if( sheetPin->IsBrightened() || sheetPin->IsSelected() )
 {
 // fall through to draw
 }
 else
 {
 continue;
 }
 }
 
 int width = std::max( aSheet->GetPenWidth(), m_schSettings.GetDefaultPenWidth() );
 VECTOR2I initial_pos = sheetPin->GetTextPos();
 VECTOR2I offset_pos = initial_pos;
 
 // For aesthetic reasons, the SHEET_PIN is drawn with a small offset of width / 2
 switch( sheetPin->GetSide() )
 {
 case SHEET_SIDE::TOP: offset_pos.y += KiROUND( width / 2.0 ); break;
 case SHEET_SIDE::BOTTOM: offset_pos.y -= KiROUND( width / 2.0 ); break;
 case SHEET_SIDE::RIGHT: offset_pos.x -= KiROUND( width / 2.0 ); break;
 case SHEET_SIDE::LEFT: offset_pos.x += KiROUND( width / 2.0 ); break;
 default: break;
 }
 
 sheetPin->SetTextPos( offset_pos );
 draw( static_cast<SCH_HIERLABEL*>( sheetPin ), aLayer );
 m_gal->DrawLine( offset_pos, initial_pos );
 sheetPin->SetTextPos( initial_pos );
 }
 }
 
 VECTOR2D pos = aSheet->GetPosition();
 VECTOR2D size = aSheet->GetSize();
 
 if( aLayer == LAYER_SHEET_BACKGROUND )
 {
 m_gal->SetFillColor( getRenderColor( aSheet, LAYER_SHEET_BACKGROUND, true ) );
 m_gal->SetIsFill( true );
 m_gal->SetIsStroke( false );
 
 m_gal->DrawRectangle( pos, pos + size );
 }
 
 if( aLayer == LAYER_SHEET || aLayer == LAYER_SELECTION_SHADOWS )
 {
 m_gal->SetStrokeColor( getRenderColor( aSheet, LAYER_SHEET, drawingShadows ) );
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( getLineWidth( aSheet, drawingShadows ) );
 m_gal->SetIsFill( false );
 
 m_gal->DrawRectangle( pos, pos + size );
 }
}
 
 
void SCH_PAINTER::draw( const SCH_NO_CONNECT *aNC, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( drawingShadows && !( aNC->IsBrightened() || aNC->IsSelected() ) )
 return;
 
 m_gal->SetIsStroke( true );
 m_gal->SetLineWidth( getLineWidth( aNC, drawingShadows ) );
 m_gal->SetStrokeColor( getRenderColor( aNC, LAYER_NOCONNECT, drawingShadows ) );
 m_gal->SetIsFill( false );
 
 VECTOR2D p = aNC->GetPosition();
 int delta = std::max( aNC->GetSize(), m_schSettings.GetDefaultPenWidth() * 3 ) / 2;
 
 m_gal->DrawLine( p + VECTOR2D( -delta, -delta ), p + VECTOR2D( delta, delta ) );
 m_gal->DrawLine( p + VECTOR2D( -delta, delta ), p + VECTOR2D( delta, -delta ) );
}
 
 
void SCH_PAINTER::draw( const SCH_BUS_ENTRY_BASE *aEntry, int aLayer )
{
 SCH_LAYER_ID layer = aEntry->Type() == SCH_BUS_WIRE_ENTRY_T ? LAYER_WIRE : LAYER_BUS;
 SCH_LINE line( VECTOR2I(), layer );
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 bool drawingDangling = aLayer == LAYER_DANGLING;
 
 if( drawingShadows && !( aEntry->IsBrightened() || aEntry->IsSelected() ) )
 return;
 
 if( aEntry->IsSelected() )
 {
 line.SetSelected();
 // Never show unselected endpoints on bus entries
 line.SetFlags( STARTPOINT | ENDPOINT );
 }
 else if( aEntry->IsBrightened() )
 line.SetBrightened();
 
 line.SetStartPoint( aEntry->GetPosition() );
 line.SetEndPoint( aEntry->GetEnd() );
 line.SetStroke( aEntry->GetStroke() );
 line.SetLineWidth( KiROUND( getLineWidth( aEntry, false ) ) );
 
 COLOR4D color = getRenderColor( aEntry, LAYER_WIRE, drawingShadows );
 
 if( aEntry->Type() == SCH_BUS_BUS_ENTRY_T )
 color = getRenderColor( aEntry, LAYER_BUS, drawingShadows );
 
 if( drawingDangling )
 {
 m_gal->SetIsFill( false );
 m_gal->SetIsStroke( true );
 m_gal->SetStrokeColor( color.Brightened( 0.3 ) );
 m_gal->SetLineWidth( drawingShadows ? getShadowWidth( aEntry->IsBrightened() )
 : m_schSettings.GetDanglineSymbolThickness() );
 
 if( aEntry->IsDanglingStart() )
 {
 m_gal->DrawCircle( aEntry->GetPosition(),
  aEntry->GetPenWidth() + ( TARGET_BUSENTRY_RADIUS / 2 ) );
 }
 
 if( aEntry->IsDanglingEnd() )
 {
 m_gal->DrawCircle( aEntry->GetEnd(),
 aEntry->GetPenWidth() + ( TARGET_BUSENTRY_RADIUS / 2 ) );
 }
 }
 else
 {
 line.SetLineColor( color );
 line.SetLineStyle( aEntry->GetLineStyle() );
 
 draw( &line, aLayer );
 }
}
 
 
void SCH_PAINTER::draw( const SCH_BITMAP *aBitmap, int aLayer )
{
 m_gal->Save();
 m_gal->Translate( aBitmap->GetPosition() );
 
 // When the image scale factor is not 1.0, we need to modify the actual as the image scale
 // factor is similar to a local zoom
 double img_scale = aBitmap->GetImageScale();
 
 if( img_scale != 1.0 )
 m_gal->Scale( VECTOR2D( img_scale, img_scale ) );
 
 if( aLayer == LAYER_DRAW_BITMAPS )
 {
 m_gal->DrawBitmap( *aBitmap->GetImage() );
 }
 
 if( aLayer == LAYER_SELECTION_SHADOWS )
 {
 if( aBitmap->IsSelected() || aBitmap->IsBrightened() )
 {
 COLOR4D color = getRenderColor( aBitmap, LAYER_DRAW_BITMAPS, true );
 m_gal->SetIsStroke( true );
 m_gal->SetStrokeColor( color );
 m_gal->SetLineWidth ( getShadowWidth( aBitmap->IsBrightened() ) );
 m_gal->SetIsFill( false );
 
 // Draws a bounding box.
 VECTOR2D bm_size( aBitmap->GetSize() );
 // bm_size is the actual image size in UI.
 // but m_gal scale was previously set to img_scale
 // so recalculate size relative to this image size.
 bm_size.x /= img_scale;
 bm_size.y /= img_scale;
 VECTOR2D origin( -bm_size.x / 2.0, -bm_size.y / 2.0 );
 VECTOR2D end = origin + bm_size;
 
 m_gal->DrawRectangle( origin, end );
 }
 }
 
 m_gal->Restore();
}
 
 
void SCH_PAINTER::draw( const SCH_MARKER *aMarker, int aLayer )
{
 bool drawingShadows = aLayer == LAYER_SELECTION_SHADOWS;
 
 if( drawingShadows && !( aMarker->IsBrightened() || aMarker->IsSelected() ) )
 return;
 
 COLOR4D color = getRenderColor( aMarker, aMarker->GetColorLayer(), drawingShadows );
 
 m_gal->Save();
 m_gal->Translate( aMarker->GetPosition() );
 m_gal->SetIsFill( !drawingShadows );
 m_gal->SetFillColor( color );
 m_gal->SetIsStroke( drawingShadows );
 m_gal->SetLineWidth( getLineWidth( aMarker, drawingShadows ) );
 m_gal->SetStrokeColor( color );
 
 SHAPE_LINE_CHAIN polygon;
 aMarker->ShapeToPolygon( polygon );
 
 m_gal->DrawPolygon( polygon );
 m_gal->Restore();
}
 
 
}; // namespace KIGFX