lib_pin.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2015 Wayne Stambaugh <[email protected]>
 * 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 <base_units.h>
#include <pgm_base.h>
#include <sch_draw_panel.h>
#include <sch_edit_frame.h>
#include <symbol_edit_frame.h>
#include <lib_pin.h>
#include <settings/settings_manager.h>
#include <symbol_editor/symbol_editor_settings.h>
#include <trigo.h>
#include <string_utils.h>
#include "sch_painter.h"
#include "plotters/plotter.h"
 
 
// small margin in internal units between the pin text and the pin line
#define PIN_TEXT_MARGIN 4
 
const wxString LIB_PIN::GetCanonicalElectricalTypeName( ELECTRICAL_PINTYPE aType )
{
 // These strings are the canonical name of the electrictal type
 // Not translated, no space in name, only ASCII chars.
 // to use when the string name must be known and well defined
 // must have same order than enum ELECTRICAL_PINTYPE (see lib_pin.h)
 static const wxChar* msgPinElectricType[] =
 {
 wxT( "input" ),
 wxT( "output" ),
 wxT( "bidirectional" ),
 wxT( "tri_state" ),
 wxT( "passive" ),
 wxT( "free" ),
 wxT( "unspecified" ),
 wxT( "power_in" ),
 wxT( "power_out" ),
 wxT( "open_collector" ),
 wxT( "open_emitter" ),
 wxT( "no_connect" )
 };
 
 return msgPinElectricType[static_cast<int>( aType )];
}
 
 
// i.e. the clock symbols (falling clock is actually external but is of
// the same kind)
 
static int internalPinDecoSize( const RENDER_SETTINGS* aSettings, const LIB_PIN &aPin )
{
 const KIGFX::SCH_RENDER_SETTINGS* settings = static_cast<const KIGFX::SCH_RENDER_SETTINGS*>( aSettings );
 
 if( settings && settings->m_PinSymbolSize )
 return settings->m_PinSymbolSize;
 
 return aPin.GetNameTextSize() != 0 ? aPin.GetNameTextSize() / 2 : aPin.GetNumberTextSize() / 2;
}
 
// i.e. the negation circle, the polarity 'slopes' and the nonlogic
// marker
static int externalPinDecoSize( const RENDER_SETTINGS* aSettings, const LIB_PIN &aPin )
{
 const KIGFX::SCH_RENDER_SETTINGS* settings = static_cast<const KIGFX::SCH_RENDER_SETTINGS*>( aSettings );
 
 if( settings && settings->m_PinSymbolSize )
 return settings->m_PinSymbolSize;
 
 return aPin.GetNumberTextSize() / 2;
}
 
 
LIB_PIN::LIB_PIN( LIB_SYMBOL* aParent ) :
 LIB_ITEM( LIB_PIN_T, aParent ),
 m_orientation( PIN_ORIENTATION::PIN_RIGHT ),
 m_shape( GRAPHIC_PINSHAPE::LINE ),
 m_type( ELECTRICAL_PINTYPE::PT_UNSPECIFIED ),
 m_attributes( 0 )
{
 // Use the application settings for pin sizes if exists.
 // pgm can be nullptr when running a shared lib from a script, not from a kicad appl
 PGM_BASE* pgm = PgmOrNull();
 
 if( pgm )
 {
 auto* settings = pgm->GetSettingsManager().GetAppSettings<SYMBOL_EDITOR_SETTINGS>();
 m_length = schIUScale.MilsToIU( settings->m_Defaults.pin_length );
 m_numTextSize = schIUScale.MilsToIU( settings->m_Defaults.pin_num_size );
 m_nameTextSize = schIUScale.MilsToIU( settings->m_Defaults.pin_name_size );
 }
 else // Use hardcoded eeschema defaults: symbol_editor settings are not existing.
 {
 m_length = schIUScale.MilsToIU( DEFAULT_PIN_LENGTH );
 m_numTextSize = schIUScale.MilsToIU( DEFAULT_PINNUM_SIZE );
 m_nameTextSize = schIUScale.MilsToIU( DEFAULT_PINNAME_SIZE );
 }
}
 
 
LIB_PIN::LIB_PIN( LIB_SYMBOL* aParent, const wxString& aName, const wxString& aNumber,
 PIN_ORIENTATION aOrientation, ELECTRICAL_PINTYPE aPinType, int aLength,
 int aNameTextSize, int aNumTextSize, int aConvert, const VECTOR2I& aPos,
 int aUnit ) :
 LIB_ITEM( LIB_PIN_T, aParent ),
 m_position( aPos ),
 m_length( aLength ),
 m_orientation( aOrientation ),
 m_shape( GRAPHIC_PINSHAPE::LINE ),
 m_type( aPinType ),
 m_attributes( 0 ),
 m_numTextSize( aNumTextSize ),
 m_nameTextSize( aNameTextSize )
{
 SetName( aName );
 SetNumber( aNumber );
 SetUnit( aUnit );
 SetConvert( aConvert );
}
 
 
bool LIB_PIN::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
{
 BOX2I rect = GetBoundingBox( false, true, m_flags & SHOW_ELEC_TYPE );
 
 return rect.Inflate( aAccuracy ).Contains( aPosition );
}
 
 
bool LIB_PIN::HitTest( const BOX2I& aRect, bool aContained, int aAccuracy ) const
{
 if( m_flags & (STRUCT_DELETED | SKIP_STRUCT ) )
 return false;
 
 BOX2I sel = aRect;
 
 if ( aAccuracy )
 sel.Inflate( aAccuracy );
 
 if( aContained )
 return sel.Contains( GetBoundingBox( false, false, false ) );
 
 return sel.Intersects( GetBoundingBox( false, true, m_flags & SHOW_ELEC_TYPE ) );
}
 
 
int LIB_PIN::GetPenWidth() const
{
 return 0;
}
 
 
wxString LIB_PIN::GetShownName() const
{
 if( m_name == wxS( "~" ) )
 return wxEmptyString;
 else
 return m_name;
}
 
 
VECTOR2I LIB_PIN::GetPinRoot() const
{
 switch( m_orientation )
 {
 default:
 case PIN_ORIENTATION::PIN_RIGHT: return VECTOR2I( m_position.x + m_length, -( m_position.y ) );
 case PIN_ORIENTATION::PIN_LEFT: return VECTOR2I( m_position.x - m_length, -( m_position.y ) );
 case PIN_ORIENTATION::PIN_UP: return VECTOR2I( m_position.x, -( m_position.y + m_length ) );
 case PIN_ORIENTATION::PIN_DOWN: return VECTOR2I( m_position.x, -( m_position.y - m_length ) );
 }
}
 
 
void LIB_PIN::print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset, void* aData,
 const TRANSFORM& aTransform, bool aDimmed )
{
 LIB_SYMBOL_OPTIONS* opts = (LIB_SYMBOL_OPTIONS*) aData;
 bool drawHiddenFields = opts ? opts->draw_hidden_fields : false;
 bool showPinType = opts ? opts->show_elec_type : false;
 bool show_connect_point = opts ? opts->show_connect_point : false;
 
 LIB_SYMBOL* part = GetParent();
 
 wxCHECK( part && opts, /* void */ );
 
 /* Calculate pin orient taking in account the symbol orientation. */
 PIN_ORIENTATION orient = PinDrawOrient( aTransform );
 
 /* Calculate the pin position */
 VECTOR2I pos1 = aTransform.TransformCoordinate( m_position ) + aOffset;
 
 if( IsVisible() || drawHiddenFields )
 {
 printPinSymbol( aSettings, pos1, orient, aDimmed );
 
 printPinTexts( aSettings, pos1, orient, part->GetPinNameOffset(),
 opts->force_draw_pin_text || part->ShowPinNumbers(),
 opts->force_draw_pin_text || part->ShowPinNames(),
 aDimmed );
 
 if( showPinType )
 printPinElectricalTypeName( aSettings, pos1, orient, aDimmed );
 
 if( show_connect_point
 && m_type != ELECTRICAL_PINTYPE::PT_NC
 && m_type != ELECTRICAL_PINTYPE::PT_NIC )
 {
 wxDC* DC = aSettings->GetPrintDC();
 COLOR4D color = aSettings->GetLayerColor( IsVisible() ? LAYER_PIN : LAYER_HIDDEN );
 
 COLOR4D bg = aSettings->GetBackgroundColor();
 
 if( bg == COLOR4D::UNSPECIFIED || GetGRForceBlackPenState() )
 bg = COLOR4D::WHITE;
 
 if( aDimmed )
 {
 color.Desaturate( );
 color = color.Mix( bg, 0.5f );
 }
 
 GRCircle( DC, pos1, TARGET_PIN_RADIUS, 0, color );
 }
 }
}
 
 
void LIB_PIN::printPinSymbol( const RENDER_SETTINGS* aSettings, const VECTOR2I& aPos,
 PIN_ORIENTATION aOrient, bool aDimmed )
{
 wxDC* DC = aSettings->GetPrintDC();
 int MapX1, MapY1, x1, y1;
 int width = GetEffectivePenWidth( aSettings );
 int posX = aPos.x, posY = aPos.y, len = m_length;
 COLOR4D color = aSettings->GetLayerColor( IsVisible() ? LAYER_PIN : LAYER_HIDDEN );
 COLOR4D bg = aSettings->GetBackgroundColor();
 
 if( bg == COLOR4D::UNSPECIFIED || GetGRForceBlackPenState() )
 bg = COLOR4D::WHITE;
 
 if( !IsVisible() )
 bg = aSettings->GetLayerColor( LAYER_HIDDEN );
 
 if( aDimmed )
 {
 color.Desaturate( );
 color = color.Mix( bg, 0.5f );
 }
 
 MapX1 = MapY1 = 0;
 x1 = posX;
 y1 = posY;
 
 switch( aOrient )
 {
 case PIN_ORIENTATION::PIN_UP: y1 = posY - len; MapY1 = 1; break;
 case PIN_ORIENTATION::PIN_DOWN: y1 = posY + len; MapY1 = -1; break;
 case PIN_ORIENTATION::PIN_LEFT: x1 = posX - len; MapX1 = 1; break;
 case PIN_ORIENTATION::PIN_RIGHT: x1 = posX + len; MapX1 = -1; break;
 }
 
 if( m_shape == GRAPHIC_PINSHAPE::INVERTED || m_shape == GRAPHIC_PINSHAPE::INVERTED_CLOCK )
 {
 const int radius = externalPinDecoSize( aSettings, *this );
 GRCircle( DC, VECTOR2I( MapX1 * radius + x1, MapY1 * radius + y1 ), radius, width, color );
 
 GRMoveTo( MapX1 * radius * 2 + x1, MapY1 * radius * 2 + y1 );
 GRLineTo( DC, posX, posY, width, color );
 }
 else
 {
 GRMoveTo( x1, y1 );
 GRLineTo( DC, posX, posY, width, color );
 }
 
 // Draw the clock shape (>)inside the symbol
 if( m_shape == GRAPHIC_PINSHAPE::CLOCK
 || m_shape == GRAPHIC_PINSHAPE::INVERTED_CLOCK
 || m_shape == GRAPHIC_PINSHAPE::FALLING_EDGE_CLOCK
 || m_shape == GRAPHIC_PINSHAPE::CLOCK_LOW )
 {
 const int clock_size = internalPinDecoSize( aSettings, *this );
 if( MapY1 == 0 ) /* MapX1 = +- 1 */
 {
 GRMoveTo( x1, y1 + clock_size );
 GRLineTo( DC, x1 - MapX1 * clock_size * 2, y1, width, color );
 GRLineTo( DC, x1, y1 - clock_size, width, color );
 }
 else /* MapX1 = 0 */
 {
 GRMoveTo( x1 + clock_size, y1 );
 GRLineTo( DC, x1, y1 - MapY1 * clock_size * 2, width, color );
 GRLineTo( DC, x1 - clock_size, y1, width, color );
 }
 }
 
 // Draw the active low (or H to L active transition)
 if( m_shape == GRAPHIC_PINSHAPE::INPUT_LOW
 || m_shape == GRAPHIC_PINSHAPE::FALLING_EDGE_CLOCK
 || m_shape == GRAPHIC_PINSHAPE::CLOCK_LOW )
 {
 const int deco_size = externalPinDecoSize( aSettings, *this );
 if( MapY1 == 0 ) /* MapX1 = +- 1 */
 {
 GRMoveTo( x1 + MapX1 * deco_size * 2, y1 );
 GRLineTo( DC, x1 + MapX1 * deco_size * 2, y1 - deco_size * 2, width, color );
 GRLineTo( DC, x1, y1, width, color );
 }
 else /* MapX1 = 0 */
 {
 GRMoveTo( x1, y1 + MapY1 * deco_size * 2 );
 GRLineTo( DC, x1 - deco_size * 2, y1 + MapY1 * deco_size * 2, width, color );
 GRLineTo( DC, x1, y1, width, color );
 }
 }
 
 if( m_shape == GRAPHIC_PINSHAPE::OUTPUT_LOW ) /* IEEE symbol "Active Low Output" */
 {
 const int deco_size = externalPinDecoSize( aSettings, *this );
 if( MapY1 == 0 ) /* MapX1 = +- 1 */
 {
 GRMoveTo( x1, y1 - deco_size * 2 );
 GRLineTo( DC, x1 + MapX1 * deco_size * 2, y1, width, color );
 }
 else /* MapX1 = 0 */
 {
 GRMoveTo( x1 - deco_size * 2, y1 );
 GRLineTo( DC, x1, y1 + MapY1 * deco_size * 2, width, color );
 }
 }
 else if( m_shape == GRAPHIC_PINSHAPE::NONLOGIC ) /* NonLogic pin symbol */
 {
 const int deco_size = externalPinDecoSize( aSettings, *this );
 GRMoveTo( x1 - (MapX1 + MapY1) * deco_size, y1 - (MapY1 - MapX1) * deco_size );
 GRLineTo( DC, x1 + (MapX1 + MapY1) * deco_size, y1 + ( MapY1 - MapX1 ) * deco_size, width,
 color );
 GRMoveTo( x1 - (MapX1 - MapY1) * deco_size, y1 - (MapY1 + MapX1) * deco_size );
 GRLineTo( DC, x1 + (MapX1 - MapY1) * deco_size, y1 + ( MapY1 + MapX1 ) * deco_size, width,
 color );
 }
 
 if( m_type == ELECTRICAL_PINTYPE::PT_NC ) // Draw a N.C. symbol
 {
 const int deco_size = TARGET_PIN_RADIUS;
 GRLine( DC, posX - deco_size, posY - deco_size, posX + deco_size, posY + deco_size, width,
 color );
 GRLine( DC, posX + deco_size, posY - deco_size, posX - deco_size, posY + deco_size, width,
 color );
 }
}
 
 
void LIB_PIN::printPinTexts( const RENDER_SETTINGS* aSettings, VECTOR2I& aPinPos,
 PIN_ORIENTATION aPinOrient, int aTextInside, bool aDrawPinNum,
 bool aDrawPinName, bool aDimmed )
{
 if( !aDrawPinName && !aDrawPinNum )
 return;
 
 KIFONT::FONT* font = KIFONT::FONT::GetFont( aSettings->GetDefaultFont(), false, false );
 wxString name = GetShownName();
 wxString number = GetShownNumber();
 VECTOR2I nameSize( m_nameTextSize, m_nameTextSize );
 VECTOR2I numSize( m_numTextSize, m_numTextSize );
 int nameWidth = std::max( Clamp_Text_PenSize( GetPenWidth(), m_nameTextSize, true ),
 aSettings->GetDefaultPenWidth() );
 int numWidth = std::max( Clamp_Text_PenSize( GetPenWidth(), m_numTextSize, true ),
 aSettings->GetDefaultPenWidth() );
 int name_offset = schIUScale.MilsToIU( PIN_TEXT_MARGIN ) + nameWidth;
 int num_offset = schIUScale.MilsToIU( PIN_TEXT_MARGIN ) + numWidth;
 
 /* Get the num and name colors */
 COLOR4D nameColor = aSettings->GetLayerColor( IsVisible() ? LAYER_PINNAM : LAYER_HIDDEN );
 COLOR4D numColor = aSettings->GetLayerColor( IsVisible() ? LAYER_PINNUM : LAYER_HIDDEN );
 COLOR4D bg = aSettings->GetBackgroundColor();
 
 if( bg == COLOR4D::UNSPECIFIED || GetGRForceBlackPenState() )
 bg = COLOR4D::WHITE;
 
 if( !IsVisible() )
 bg = aSettings->GetLayerColor( LAYER_HIDDEN );
 
 if( aDimmed )
 {
 nameColor.Desaturate();
 numColor.Desaturate();
 nameColor = nameColor.Mix( bg, 0.5f );
 numColor = numColor.Mix( bg, 0.5f );
 }
 
 int x1 = aPinPos.x;
 int y1 = aPinPos.y;
 
 switch( aPinOrient )
 {
 case PIN_ORIENTATION::PIN_UP: y1 -= m_length; break;
 case PIN_ORIENTATION::PIN_DOWN: y1 += m_length; break;
 case PIN_ORIENTATION::PIN_LEFT: x1 -= m_length; break;
 case PIN_ORIENTATION::PIN_RIGHT: x1 += m_length; break;
 }
 
 if( name.IsEmpty() || m_nameTextSize == 0 )
 aDrawPinName = false;
 
 if( number.IsEmpty() || m_numTextSize == 0 )
 aDrawPinNum = false;
 
 auto printName =
 [&]( int x, int y, const EDA_ANGLE& angle, enum GR_TEXT_H_ALIGN_T hAlign,
 enum GR_TEXT_V_ALIGN_T vAlign )
 {
 GRPrintText( aSettings->GetPrintDC(), VECTOR2I( x, y ), nameColor, name, angle,
 nameSize, hAlign, vAlign, nameWidth, false, false, font, GetFontMetrics() );
 };
 
 auto printNum =
 [&]( int x, int y, const EDA_ANGLE& angle, enum GR_TEXT_H_ALIGN_T hAlign,
 enum GR_TEXT_V_ALIGN_T vAlign )
 {
 GRPrintText( aSettings->GetPrintDC(), VECTOR2I( x, y ), numColor, number, angle,
 numSize, hAlign, vAlign, numWidth, false, false, font, GetFontMetrics() );
 };
 
 if( aTextInside ) // Draw the text inside, but the pin numbers outside.
 {
 if( ( aPinOrient == PIN_ORIENTATION::PIN_LEFT )
 || ( aPinOrient == PIN_ORIENTATION::PIN_RIGHT ) )
 {
 // It is an horizontal line
 if( aDrawPinName )
 {
 if( aPinOrient == PIN_ORIENTATION::PIN_RIGHT )
 {
 printName( x1 + aTextInside, y1, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_LEFT, GR_TEXT_V_ALIGN_CENTER );
 }
 else // Orient == PIN_LEFT
 {
 printName( x1 - aTextInside, y1, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_RIGHT, GR_TEXT_V_ALIGN_CENTER );
 }
 }
 
 if( aDrawPinNum )
 {
 printNum( ( x1 + aPinPos.x ) / 2, y1 - num_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 else /* Its a vertical line. */
 {
 // Text is drawn from bottom to top (i.e. to negative value for Y axis)
 if( aPinOrient == PIN_ORIENTATION::PIN_DOWN )
 {
 if( aDrawPinName )
 {
 printName( x1, y1 + aTextInside, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_RIGHT, GR_TEXT_V_ALIGN_CENTER );
 }
 
 if( aDrawPinNum )
 {
 printNum( x1 - num_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 else /* PIN_UP */
 {
 if( aDrawPinName )
 {
 printName( x1, y1 - aTextInside, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_LEFT, GR_TEXT_V_ALIGN_CENTER );
 }
 
 if( aDrawPinNum )
 {
 printNum( x1 - num_offset, ( y1 + aPinPos.y) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 }
 }
 else /**** Draw num & text pin outside ****/
 {
 if( ( aPinOrient == PIN_ORIENTATION::PIN_LEFT )
 || ( aPinOrient == PIN_ORIENTATION::PIN_RIGHT ) )
 {
 /* Its an horizontal line. */
 if( aDrawPinName && aDrawPinNum )
 {
 printName( ( x1 + aPinPos.x ) / 2, y1 - name_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 
 printNum( ( x1 + aPinPos.x ) / 2, y1 + num_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_TOP );
 }
 else if( aDrawPinName )
 {
 printName( ( x1 + aPinPos.x ) / 2, y1 - name_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 else if( aDrawPinNum )
 {
 printNum( ( x1 + aPinPos.x ) / 2, y1 - num_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 else /* Its a vertical line. */
 {
 if( aDrawPinName && aDrawPinNum )
 {
 printName( x1 - name_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 
 printNum( x1 + num_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_TOP );
 }
 else if( aDrawPinName )
 {
 printName( x1 - name_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 else if( aDrawPinNum )
 {
 printNum( x1 - num_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 }
}
 
 
void LIB_PIN::printPinElectricalTypeName( const RENDER_SETTINGS* aSettings, VECTOR2I& aPosition,
 PIN_ORIENTATION aOrientation, bool aDimmed )
{
 wxDC* DC = aSettings->GetPrintDC();
 wxString typeName = GetElectricalTypeName();
 
 // Use a reasonable (small) size to draw the text
 int textSize = ( m_nameTextSize * 3 ) / 4;
 
 #define ETXT_MAX_SIZE schIUScale.mmToIU( 0.7 )
 
 if( textSize > ETXT_MAX_SIZE )
 textSize = ETXT_MAX_SIZE;
 
 // Use a reasonable pen size to draw the text
 int pensize = textSize/6;
 
 // Get a suitable color
 COLOR4D color = aSettings->GetLayerColor( IsVisible() ? LAYER_PRIVATE_NOTES : LAYER_HIDDEN );
 COLOR4D bg = aSettings->GetBackgroundColor();
 
 if( bg == COLOR4D::UNSPECIFIED || GetGRForceBlackPenState() )
 bg = COLOR4D::WHITE;
 
 if( !IsVisible() )
 bg = aSettings->GetLayerColor( LAYER_HIDDEN );
 
 if( aDimmed )
 {
 color.Desaturate( );
 color = color.Mix( bg, 0.5f );
 }
 
 VECTOR2I txtpos = aPosition;
 int offset = schIUScale.mmToIU( 0.4 );
 GR_TEXT_H_ALIGN_T hjustify = GR_TEXT_H_ALIGN_LEFT;
 EDA_ANGLE orient = ANGLE_HORIZONTAL;
 KIFONT::FONT* font = KIFONT::FONT::GetFont( aSettings->GetDefaultFont(), false, false );
 
 switch( aOrientation )
 {
 case PIN_ORIENTATION::PIN_UP:
 txtpos.y += offset;
 orient = ANGLE_VERTICAL;
 hjustify = GR_TEXT_H_ALIGN_RIGHT;
 break;
 
 case PIN_ORIENTATION::PIN_DOWN:
 txtpos.y -= offset;
 orient = ANGLE_VERTICAL;
 break;
 
 case PIN_ORIENTATION::PIN_LEFT:
 txtpos.x += offset;
 break;
 
 case PIN_ORIENTATION::PIN_RIGHT:
 txtpos.x -= offset;
 hjustify = GR_TEXT_H_ALIGN_RIGHT;
 break;
 }
 
 GRPrintText( DC, txtpos, color, typeName, orient, VECTOR2I( textSize, textSize ), hjustify,
 GR_TEXT_V_ALIGN_CENTER, pensize, false, false, font, GetFontMetrics() );
}
 
 
void LIB_PIN::PlotSymbol( PLOTTER *aPlotter, const VECTOR2I &aPosition,
 PIN_ORIENTATION aOrientation, bool aDimmed ) const
{
 int MapX1, MapY1, x1, y1;
 COLOR4D color = aPlotter->RenderSettings()->GetLayerColor( LAYER_PIN );
 COLOR4D bg = aPlotter->RenderSettings()->GetBackgroundColor();
 int penWidth = GetEffectivePenWidth( aPlotter->RenderSettings() );
 
 if( bg == COLOR4D::UNSPECIFIED || !aPlotter->GetColorMode() )
 bg = COLOR4D::WHITE;
 
 if( aDimmed )
 {
 color.Desaturate( );
 color = color.Mix( bg, 0.5f );
 }
 
 aPlotter->SetColor( color );
 aPlotter->SetCurrentLineWidth( penWidth );
 
 MapX1 = MapY1 = 0;
 x1 = aPosition.x; y1 = aPosition.y;
 
 switch( aOrientation )
 {
 case PIN_ORIENTATION::PIN_UP: y1 = aPosition.y - m_length; MapY1 = 1; break;
 case PIN_ORIENTATION::PIN_DOWN: y1 = aPosition.y + m_length; MapY1 = -1; break;
 case PIN_ORIENTATION::PIN_LEFT: x1 = aPosition.x - m_length; MapX1 = 1; break;
 case PIN_ORIENTATION::PIN_RIGHT: x1 = aPosition.x + m_length; MapX1 = -1; break;
 }
 
 if( m_shape == GRAPHIC_PINSHAPE::INVERTED || m_shape == GRAPHIC_PINSHAPE::INVERTED_CLOCK )
 {
 const int radius = externalPinDecoSize( aPlotter->RenderSettings(), *this );
 aPlotter->Circle( VECTOR2I( MapX1 * radius + x1, MapY1 * radius + y1 ), radius * 2,
 FILL_T::NO_FILL, penWidth );
 
 aPlotter->MoveTo( VECTOR2I( MapX1 * radius * 2 + x1, MapY1 * radius * 2 + y1 ) );
 aPlotter->FinishTo( aPosition );
 }
 else if( m_shape == GRAPHIC_PINSHAPE::FALLING_EDGE_CLOCK )
 {
 const int deco_size = internalPinDecoSize( aPlotter->RenderSettings(), *this );
 if( MapY1 == 0 ) /* MapX1 = +- 1 */
 {
 aPlotter->MoveTo( VECTOR2I( x1, y1 + deco_size ) );
 aPlotter->LineTo( VECTOR2I( x1 + MapX1 * deco_size * 2, y1 ) );
 aPlotter->FinishTo( VECTOR2I( x1, y1 - deco_size ) );
 }
 else /* MapX1 = 0 */
 {
 aPlotter->MoveTo( VECTOR2I( x1 + deco_size, y1 ) );
 aPlotter->LineTo( VECTOR2I( x1, y1 + MapY1 * deco_size * 2 ) );
 aPlotter->FinishTo( VECTOR2I( x1 - deco_size, y1 ) );
 }
 
 aPlotter->MoveTo( VECTOR2I( MapX1 * deco_size * 2 + x1, MapY1 * deco_size * 2 + y1 ) );
 aPlotter->FinishTo( aPosition );
 }
 else
 {
 aPlotter->MoveTo( VECTOR2I( x1, y1 ) );
 aPlotter->FinishTo( aPosition );
 }
 
 if( m_shape == GRAPHIC_PINSHAPE::CLOCK
 || m_shape == GRAPHIC_PINSHAPE::INVERTED_CLOCK
 || m_shape == GRAPHIC_PINSHAPE::CLOCK_LOW )
 {
 const int deco_size = internalPinDecoSize( aPlotter->RenderSettings(), *this );
 if( MapY1 == 0 ) /* MapX1 = +- 1 */
 {
 aPlotter->MoveTo( VECTOR2I( x1, y1 + deco_size ) );
 aPlotter->LineTo( VECTOR2I( x1 - MapX1 * deco_size * 2, y1 ) );
 aPlotter->FinishTo( VECTOR2I( x1, y1 - deco_size ) );
 }
 else /* MapX1 = 0 */
 {
 aPlotter->MoveTo( VECTOR2I( x1 + deco_size, y1 ) );
 aPlotter->LineTo( VECTOR2I( x1, y1 - MapY1 * deco_size * 2 ) );
 aPlotter->FinishTo( VECTOR2I( x1 - deco_size, y1 ) );
 }
 }
 
 if( m_shape == GRAPHIC_PINSHAPE::INPUT_LOW
 || m_shape == GRAPHIC_PINSHAPE::CLOCK_LOW ) /* IEEE symbol "Active Low Input" */
 {
 const int deco_size = externalPinDecoSize( aPlotter->RenderSettings(), *this );
 
 if( MapY1 == 0 ) /* MapX1 = +- 1 */
 {
 aPlotter->MoveTo( VECTOR2I( x1 + MapX1 * deco_size * 2, y1 ) );
 aPlotter->LineTo( VECTOR2I( x1 + MapX1 * deco_size * 2, y1 - deco_size * 2 ) );
 aPlotter->FinishTo( VECTOR2I( x1, y1 ) );
 }
 else /* MapX1 = 0 */
 {
 aPlotter->MoveTo( VECTOR2I( x1, y1 + MapY1 * deco_size * 2 ) );
 aPlotter->LineTo( VECTOR2I( x1 - deco_size * 2, y1 + MapY1 * deco_size * 2 ) );
 aPlotter->FinishTo( VECTOR2I( x1, y1 ) );
 }
 }
 
 if( m_shape == GRAPHIC_PINSHAPE::OUTPUT_LOW ) /* IEEE symbol "Active Low Output" */
 {
 const int symbol_size = externalPinDecoSize( aPlotter->RenderSettings(), *this );
 
 if( MapY1 == 0 ) /* MapX1 = +- 1 */
 {
 aPlotter->MoveTo( VECTOR2I( x1, y1 - symbol_size * 2 ) );
 aPlotter->FinishTo( VECTOR2I( x1 + MapX1 * symbol_size * 2, y1 ) );
 }
 else /* MapX1 = 0 */
 {
 aPlotter->MoveTo( VECTOR2I( x1 - symbol_size * 2, y1 ) );
 aPlotter->FinishTo( VECTOR2I( x1, y1 + MapY1 * symbol_size * 2 ) );
 }
 }
 else if( m_shape == GRAPHIC_PINSHAPE::NONLOGIC ) /* NonLogic pin symbol */
 {
 const int deco_size = externalPinDecoSize( aPlotter->RenderSettings(), *this );
 aPlotter->MoveTo( VECTOR2I( x1 - ( MapX1 + MapY1 ) * deco_size,
 y1 - ( MapY1 - MapX1 ) * deco_size ) );
 aPlotter->FinishTo( VECTOR2I( x1 + ( MapX1 + MapY1 ) * deco_size,
 y1 + ( MapY1 - MapX1 ) * deco_size ) );
 aPlotter->MoveTo( VECTOR2I( x1 - ( MapX1 - MapY1 ) * deco_size,
 y1 - ( MapY1 + MapX1 ) * deco_size ) );
 aPlotter->FinishTo( VECTOR2I( x1 + ( MapX1 - MapY1 ) * deco_size,
 y1 + ( MapY1 + MapX1 ) * deco_size ) );
 }
 
 if( m_type == ELECTRICAL_PINTYPE::PT_NC ) // Draw a N.C. symbol
 {
 const int deco_size = TARGET_PIN_RADIUS;
 const int ex1 = aPosition.x;
 const int ey1 = aPosition.y;
 aPlotter->MoveTo( VECTOR2I( ex1 - deco_size, ey1 - deco_size ) );
 aPlotter->FinishTo( VECTOR2I( ex1 + deco_size, ey1 + deco_size ) );
 aPlotter->MoveTo( VECTOR2I( ex1 + deco_size, ey1 - deco_size ) );
 aPlotter->FinishTo( VECTOR2I( ex1 - deco_size, ey1 + deco_size ) );
 }
}
 
 
void LIB_PIN::PlotPinTexts( PLOTTER *aPlotter, const VECTOR2I &aPinPos, PIN_ORIENTATION aPinOrient,
 int aTextInside, bool aDrawPinNum, bool aDrawPinName,
 bool aDimmed ) const
{
 RENDER_SETTINGS* settings = aPlotter->RenderSettings();
 KIFONT::FONT* font = KIFONT::FONT::GetFont( settings->GetDefaultFont(), false, false );
 wxString name = GetShownName();
 wxString number = GetShownNumber();
 
 if( name.IsEmpty() || m_nameTextSize == 0 )
 aDrawPinName = false;
 
 if( number.IsEmpty() || m_numTextSize == 0 )
 aDrawPinNum = false;
 
 if( !aDrawPinNum && !aDrawPinName )
 return;
 
 int namePenWidth = std::max( Clamp_Text_PenSize( GetPenWidth(), m_nameTextSize, true ),
 settings->GetDefaultPenWidth() );
 int numPenWidth = std::max( Clamp_Text_PenSize( GetPenWidth(), m_numTextSize, true ),
 settings->GetDefaultPenWidth() );
 int name_offset = schIUScale.MilsToIU( PIN_TEXT_MARGIN ) + namePenWidth;
 int num_offset = schIUScale.MilsToIU( PIN_TEXT_MARGIN ) + numPenWidth;
 
 /* Get the num and name colors */
 COLOR4D nameColor = settings->GetLayerColor( LAYER_PINNAM );
 COLOR4D numColor = settings->GetLayerColor( LAYER_PINNUM );
 COLOR4D bg = settings->GetBackgroundColor();
 
 if( bg == COLOR4D::UNSPECIFIED || !aPlotter->GetColorMode() )
 bg = COLOR4D::WHITE;
 
 if( aDimmed )
 {
 nameColor.Desaturate( );
 numColor.Desaturate( );
 nameColor = nameColor.Mix( bg, 0.5f );
 numColor = numColor.Mix( bg, 0.5f );
 }
 
 int x1 = aPinPos.x;
 int y1 = aPinPos.y;
 
 switch( aPinOrient )
 {
 case PIN_ORIENTATION::PIN_UP: y1 -= m_length; break;
 case PIN_ORIENTATION::PIN_DOWN: y1 += m_length; break;
 case PIN_ORIENTATION::PIN_LEFT: x1 -= m_length; break;
 case PIN_ORIENTATION::PIN_RIGHT: x1 += m_length; break;
 }
 
 auto plotName =
 [&]( int x, int y, const EDA_ANGLE& angle, GR_TEXT_H_ALIGN_T hJustify,
 GR_TEXT_V_ALIGN_T vJustify )
 {
 TEXT_ATTRIBUTES attrs;
 attrs.m_StrokeWidth = namePenWidth;
 attrs.m_Angle = angle;
 attrs.m_Size = VECTOR2I( m_nameTextSize, m_nameTextSize );
 attrs.m_Halign = hJustify;
 attrs.m_Valign = vJustify;
 attrs.m_Multiline = false;
 
 aPlotter->PlotText( VECTOR2I( x, y ), nameColor, name, attrs, font, GetFontMetrics() );
 };
 
 auto plotNum =
 [&]( int x, int y, const EDA_ANGLE& angle, GR_TEXT_H_ALIGN_T hJustify,
 GR_TEXT_V_ALIGN_T vJustify )
 {
 TEXT_ATTRIBUTES attrs;
 attrs.m_StrokeWidth = numPenWidth;
 attrs.m_Angle = angle;
 attrs.m_Size = VECTOR2I( m_numTextSize, m_numTextSize );
 attrs.m_Halign = hJustify;
 attrs.m_Valign = vJustify;
 attrs.m_Multiline = false;
 
 aPlotter->PlotText( VECTOR2I( x, y ), numColor, number, attrs, font, GetFontMetrics() );
 };
 
 /* Draw the text inside, but the pin numbers outside. */
 if( aTextInside )
 {
 if( ( aPinOrient == PIN_ORIENTATION::PIN_LEFT )
 || ( aPinOrient == PIN_ORIENTATION::PIN_RIGHT ) ) /* Its an horizontal line. */
 {
 if( aDrawPinName )
 {
 if( aPinOrient == PIN_ORIENTATION::PIN_RIGHT )
 {
 plotName( x1 + aTextInside, y1, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_LEFT, GR_TEXT_V_ALIGN_CENTER );
 }
 else // orient == PIN_LEFT
 {
 plotName( x1 - aTextInside, y1, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_RIGHT, GR_TEXT_V_ALIGN_CENTER );
 }
 }
 
 if( aDrawPinNum )
 {
 plotNum( ( x1 + aPinPos.x) / 2, y1 - num_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 else /* Its a vertical line. */
 {
 if( aPinOrient == PIN_ORIENTATION::PIN_DOWN )
 {
 if( aDrawPinName )
 {
 plotName( x1, y1 + aTextInside, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_RIGHT, GR_TEXT_V_ALIGN_CENTER );
 }
 
 if( aDrawPinNum )
 {
 plotNum( x1 - num_offset, ( y1 + aPinPos.y) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 else /* PIN_UP */
 {
 if( aDrawPinName )
 {
 plotName( x1, y1 - aTextInside, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_LEFT, GR_TEXT_V_ALIGN_CENTER );
 }
 
 if( aDrawPinNum )
 {
 plotNum( x1 - num_offset, ( y1 + aPinPos.y) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 }
 }
 else /* Draw num & text pin outside */
 {
 if( ( aPinOrient == PIN_ORIENTATION::PIN_LEFT )
 || ( aPinOrient == PIN_ORIENTATION::PIN_RIGHT ) )
 {
 /* Its an horizontal line. */
 if( aDrawPinName && aDrawPinNum )
 {
 plotName( ( x1 + aPinPos.x) / 2, y1 - name_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 
 plotNum( ( x1 + aPinPos.x) / 2, y1 + num_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_TOP );
 }
 else if( aDrawPinName )
 {
 plotName( ( x1 + aPinPos.x) / 2, y1 - name_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 else if( aDrawPinNum )
 {
 plotNum( ( x1 + aPinPos.x) / 2, y1 - name_offset, ANGLE_HORIZONTAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 else
 {
 /* Its a vertical line. */
 if( aDrawPinName && aDrawPinNum )
 {
 plotName( x1 - name_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 
 plotNum( x1 + num_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_TOP );
 }
 else if( aDrawPinName )
 {
 plotName( x1 - name_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 else if( aDrawPinNum )
 {
 plotNum( x1 - num_offset, ( y1 + aPinPos.y ) / 2, ANGLE_VERTICAL,
 GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_BOTTOM );
 }
 }
 }
}
 
 
PIN_ORIENTATION LIB_PIN::PinDrawOrient( const TRANSFORM& aTransform ) const
{
 PIN_ORIENTATION orient;
 VECTOR2I end; // position of pin end starting at 0,0 according to its orientation, length = 1
 
 switch( m_orientation )
 {
 case PIN_ORIENTATION::PIN_UP: end.y = 1; break;
 case PIN_ORIENTATION::PIN_DOWN: end.y = -1; break;
 case PIN_ORIENTATION::PIN_LEFT: end.x = -1; break;
 case PIN_ORIENTATION::PIN_RIGHT: end.x = 1; break;
 }
 
 // = pos of end point, according to the symbol orientation.
 end = aTransform.TransformCoordinate( end );
 orient = PIN_ORIENTATION::PIN_UP;
 
 if( end.x == 0 )
 {
 if( end.y > 0 )
 orient = PIN_ORIENTATION::PIN_DOWN;
 }
 else
 {
 orient = PIN_ORIENTATION::PIN_RIGHT;
 
 if( end.x < 0 )
 orient = PIN_ORIENTATION::PIN_LEFT;
 }
 
 return orient;
}
 
 
EDA_ITEM* LIB_PIN::Clone() const
{
 return new LIB_PIN( *this );
}
 
 
int LIB_PIN::compare( const LIB_ITEM& aOther, int aCompareFlags ) const
{
 wxASSERT( aOther.Type() == LIB_PIN_T );
 
 int retv = LIB_ITEM::compare( aOther, aCompareFlags );
 
 if( retv )
 return retv;
 
 const LIB_PIN* tmp = (LIB_PIN*) &aOther;
 
 // When comparing units, we do not compare the part numbers. If everything else is
 // identical, then we can just renumber the parts for the inherited symbol.
 if( !( aCompareFlags & COMPARE_FLAGS::UNIT ) && m_number != tmp->m_number )
 return m_number.Cmp( tmp->m_number );
 
 int result = m_name.Cmp( tmp->m_name );
 
 if( result )
 return result;
 
 if( m_position.x != tmp->m_position.x )
 return m_position.x - tmp->m_position.x;
 
 if( m_position.y != tmp->m_position.y )
 return m_position.y - tmp->m_position.y;
 
 if( m_length != tmp->m_length )
 return m_length - tmp->m_length;
 
 if( m_orientation != tmp->m_orientation )
 return static_cast<int>( m_orientation ) - static_cast<int>( tmp->m_orientation );
 
 if( m_shape != tmp->m_shape )
 return static_cast<int>( m_shape ) - static_cast<int>( tmp->m_shape );
 
 if( m_type != tmp->m_type )
 return static_cast<int>( m_type ) - static_cast<int>( tmp->m_type );
 
 if( m_attributes != tmp->m_attributes )
 return m_attributes - tmp->m_attributes;
 
 if( m_numTextSize != tmp->m_numTextSize )
 return m_numTextSize - tmp->m_numTextSize;
 
 if( m_nameTextSize != tmp->m_nameTextSize )
 return m_nameTextSize - tmp->m_nameTextSize;
 
 if( m_alternates.size() != tmp->m_alternates.size() )
 return m_alternates.size() - tmp->m_alternates.size();
 
 auto lhsItem = m_alternates.begin();
 auto rhsItem = tmp->m_alternates.begin();
 
 while( lhsItem != m_alternates.end() )
 {
 const ALT& lhsAlt = lhsItem->second;
 const ALT& rhsAlt = rhsItem->second;
 
 retv = lhsAlt.m_Name.Cmp( rhsAlt.m_Name );
 
 if( retv )
 return retv;
 
 if( lhsAlt.m_Type != rhsAlt.m_Type )
 return static_cast<int>( lhsAlt.m_Type ) - static_cast<int>( rhsAlt.m_Type );
 
 if( lhsAlt.m_Shape != rhsAlt.m_Shape )
 return static_cast<int>( lhsAlt.m_Shape ) - static_cast<int>( rhsAlt.m_Shape );
 
 ++lhsItem;
 ++rhsItem;
 }
 
 return 0;
}
 
void LIB_PIN::ChangeLength( int aLength )
{
 int lengthChange = m_length - aLength;
 int offsetX = 0;
 int offsetY = 0;
 
 switch( m_orientation )
 {
 case PIN_ORIENTATION::PIN_RIGHT:
 offsetX = lengthChange;
 break;
 case PIN_ORIENTATION::PIN_LEFT:
 offsetX = -1 * lengthChange;
 break;
 case PIN_ORIENTATION::PIN_UP:
 offsetY = lengthChange;
 break;
 case PIN_ORIENTATION::PIN_DOWN:
 offsetY = -1 * lengthChange;
 break;
 }
 
 VECTOR2I offset = VECTOR2I( offsetX, offsetY );
 Offset( offset );
 
 m_length = aLength;
}
 
void LIB_PIN::Offset( const VECTOR2I& aOffset )
{
 m_position += aOffset;
}
 
 
void LIB_PIN::MoveTo( const VECTOR2I& aNewPosition )
{
 m_position = aNewPosition;
}
 
 
void LIB_PIN::MirrorHorizontal( const VECTOR2I& aCenter )
{
 m_position.x -= aCenter.x;
 m_position.x *= -1;
 m_position.x += aCenter.x;
 
 if( m_orientation == PIN_ORIENTATION::PIN_RIGHT )
 m_orientation = PIN_ORIENTATION::PIN_LEFT;
 else if( m_orientation == PIN_ORIENTATION::PIN_LEFT )
 m_orientation = PIN_ORIENTATION::PIN_RIGHT;
}
 
 
void LIB_PIN::MirrorVertical( const VECTOR2I& aCenter )
{
 m_position.y -= aCenter.y;
 m_position.y *= -1;
 m_position.y += aCenter.y;
 
 if( m_orientation == PIN_ORIENTATION::PIN_UP )
 m_orientation = PIN_ORIENTATION::PIN_DOWN;
 else if( m_orientation == PIN_ORIENTATION::PIN_DOWN )
 m_orientation = PIN_ORIENTATION::PIN_UP;
}
 
 
void LIB_PIN::Rotate( const VECTOR2I& aCenter, bool aRotateCCW )
{
 EDA_ANGLE rot_angle = aRotateCCW ? -ANGLE_90 : ANGLE_90;
 
 RotatePoint( m_position, aCenter, rot_angle );
 
 if( aRotateCCW )
 {
 switch( m_orientation )
 {
 case PIN_ORIENTATION::PIN_RIGHT: m_orientation = PIN_ORIENTATION::PIN_UP; break;
 case PIN_ORIENTATION::PIN_UP: m_orientation = PIN_ORIENTATION::PIN_LEFT; break;
 case PIN_ORIENTATION::PIN_LEFT: m_orientation = PIN_ORIENTATION::PIN_DOWN; break;
 case PIN_ORIENTATION::PIN_DOWN: m_orientation = PIN_ORIENTATION::PIN_RIGHT; break;
 }
 }
 else
 {
 switch( m_orientation )
 {
 case PIN_ORIENTATION::PIN_RIGHT: m_orientation = PIN_ORIENTATION::PIN_DOWN; break;
 case PIN_ORIENTATION::PIN_UP: m_orientation = PIN_ORIENTATION::PIN_RIGHT; break;
 case PIN_ORIENTATION::PIN_LEFT: m_orientation = PIN_ORIENTATION::PIN_UP; break;
 case PIN_ORIENTATION::PIN_DOWN: m_orientation = PIN_ORIENTATION::PIN_LEFT; break;
 }
 }
}
 
 
void LIB_PIN::Plot( PLOTTER* aPlotter, bool aBackground, const VECTOR2I& aOffset,
 const TRANSFORM& aTransform, bool aDimmed ) const
{
 if( !IsVisible() || aBackground )
 return;
 
 PIN_ORIENTATION orient = PinDrawOrient( aTransform );
 VECTOR2I pos = aTransform.TransformCoordinate( m_position ) + aOffset;
 
 PlotSymbol( aPlotter, pos, orient, aDimmed );
 PlotPinTexts( aPlotter, pos, orient, GetParent()->GetPinNameOffset(),
 GetParent()->ShowPinNumbers(), GetParent()->ShowPinNames(),
 aDimmed );
}
 
 
void LIB_PIN::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
 LIB_ITEM::GetMsgPanelInfo( aFrame, aList );
 
 aList.emplace_back( _( "Name" ), UnescapeString( GetShownName() ) );
 aList.emplace_back( _( "Number" ), GetShownNumber() );
 aList.emplace_back( _( "Type" ), ElectricalPinTypeGetText( m_type ) );
 aList.emplace_back( _( "Style" ), PinShapeGetText( m_shape ) );
 
 aList.emplace_back( _( "Style" ), IsVisible() ? _( "Yes" ) : _( "No" ) );
 
 // Display pin length
 aList.emplace_back( _( "Length" ), aFrame->MessageTextFromValue( m_length, true ) );
 
 aList.emplace_back( _( "Orientation" ), PinOrientationName( m_orientation ) );
 
 VECTOR2I pinpos = GetPosition();
 pinpos.y = -pinpos.y; // Display coords are top to bottom; lib item coords are bottom to top
 
 aList.emplace_back( _( "Pos X" ), aFrame->MessageTextFromValue( pinpos.x, true ) );
 aList.emplace_back( _( "Pos Y" ), aFrame->MessageTextFromValue( pinpos.y, true ) );
 
 #if 0 // For debug purpose only
 aList.emplace_back( _( "Flags" ), wxString::Format( "%8.8X", (long)GetFlags() ) );
 #endif
}
 
 
const BOX2I LIB_PIN::ViewBBox() const
{
 return GetBoundingBox( false, true, true );
}
 
 
void LIB_PIN::ViewGetLayers( int aLayers[], int& aCount ) const
{
 aCount = 6;
 aLayers[0] = LAYER_DANGLING; // We don't really show dangling vs non-dangling (since there
 // are no connections in the symbol editor), but it's still
 // a good visual indication of which end of the pin is which.
 aLayers[1] = LAYER_DEVICE;
 aLayers[2] = LAYER_SELECTION_SHADOWS;
 aLayers[3] = LAYER_OP_CURRENTS;
 aLayers[4] = LAYER_PINNAM;
 aLayers[5] = LAYER_PINNUM;
}
 
 
void LIB_PIN::validateExtentsCache( KIFONT::FONT* aFont, int aSize, const wxString& aText,
 EXTENTS_CACHE* aCache ) const
{
 if( aCache->m_Font == aFont
 && aCache->m_FontSize == aSize
 && aCache->m_Extents != VECTOR2I() )
 {
 return;
 }
 
 aCache->m_Font = aFont;
 aCache->m_FontSize = aSize;
 
 // Get maximum height including ascenders and descenders
 static wxString hText = wxT( "Xg" );
 
 VECTOR2D fontSize( aSize, aSize );
 int penWidth = GetPenSizeForNormal( aSize );
 
 aCache->m_Extents.x = aFont->StringBoundaryLimits( aText, fontSize, penWidth, false, false,
 GetFontMetrics() ).x;
 aCache->m_Extents.y = aFont->StringBoundaryLimits( hText, fontSize, penWidth, false, false,
 GetFontMetrics() ).y;
}
 
 
const BOX2I LIB_PIN::GetBoundingBox( bool aIncludeInvisiblePins, bool aIncludeNameAndNumber,
 bool aIncludeElectricalType ) const
{
 EESCHEMA_SETTINGS* cfg = Pgm().GetSettingsManager().GetAppSettings<EESCHEMA_SETTINGS>();
 KIFONT::FONT* font = KIFONT::FONT::GetFont( cfg->m_Appearance.default_font );
 
 BOX2I bbox;
 VECTOR2I begin;
 VECTOR2I end;
 int pinNameOffset = 0;
 int nameTextLength = 0;
 int nameTextHeight = 0;
 int numberTextLength = 0;
 int numberTextHeight = 0;
 int typeTextLength = 0;
 bool includeName = aIncludeNameAndNumber && !GetShownName().IsEmpty();
 bool includeNumber = aIncludeNameAndNumber && !GetShownNumber().IsEmpty();
 bool includeType = aIncludeElectricalType;
 int minsizeV = TARGET_PIN_RADIUS;
 
 if( !aIncludeInvisiblePins && !IsVisible() )
 {
 includeName = false;
 includeType = false;
 }
 
 if( GetParent() )
 {
 if( GetParent()->ShowPinNames() )
 pinNameOffset = GetParent()->GetPinNameOffset();
 else
 includeName = false;
 
 if( !GetParent()->ShowPinNumbers() )
 includeNumber = false;
 }
 
 if( includeNumber )
 {
 validateExtentsCache( font, m_numTextSize, GetShownNumber(), &m_numExtentsCache );
 numberTextLength = m_numExtentsCache.m_Extents.x;
 numberTextHeight = m_numExtentsCache.m_Extents.y;
 }
 
 if( includeName )
 {
 validateExtentsCache( font, m_nameTextSize, GetShownName(), &m_nameExtentsCache );
 nameTextLength = m_nameExtentsCache.m_Extents.x + pinNameOffset;
 nameTextHeight = m_nameExtentsCache.m_Extents.y + schIUScale.MilsToIU( PIN_TEXT_MARGIN );
 }
 
 if( includeType )
 {
 double fontSize = std::max( m_nameTextSize * 3 / 4, schIUScale.mmToIU( 0.7 ) );
 double stroke = fontSize / 8.0;
 VECTOR2I typeTextSize = font->StringBoundaryLimits( GetElectricalTypeName(),
 VECTOR2D( fontSize, fontSize ),
 KiROUND( stroke ), false, false,
 GetFontMetrics() );
 
 typeTextLength = typeTextSize.x + schIUScale.MilsToIU( PIN_TEXT_MARGIN ) + TARGET_PIN_RADIUS;
 minsizeV = std::max( minsizeV, typeTextSize.y / 2 );
 }
 
 // First, calculate boundary box corners position
 if( m_shape == GRAPHIC_PINSHAPE::INVERTED || m_shape == GRAPHIC_PINSHAPE::INVERTED_CLOCK )
 minsizeV = std::max( TARGET_PIN_RADIUS, externalPinDecoSize( nullptr, *this ) );
 
 // Attempt to mimic SCH_PAINTER's algorithm without actually knowing the schematic text
 // offset ratio.
 int PIN_TEXT_OFFSET = schIUScale.MilsToIU( 24 );
 
 // Calculate topLeft & bottomRight corner positions for the default pin orientation (PIN_RIGHT)
 if( pinNameOffset || !includeName )
 {
 // pin name is inside the body (or invisible)
 // pin number is above the line
 begin.y = std::max( minsizeV, numberTextHeight + PIN_TEXT_OFFSET );
 begin.x = std::min( -typeTextLength, m_length - ( numberTextLength / 2 ) );
 
 end.x = m_length + nameTextLength;
 end.y = std::min( -minsizeV, -nameTextHeight / 2 );
 }
 else
 {
 // pin name is above pin line
 // pin number is below line
 begin.y = std::max( minsizeV, nameTextHeight + PIN_TEXT_OFFSET );
 begin.x = -typeTextLength;
 begin.x = std::min( begin.x, ( m_length - numberTextLength ) / 2 );
 begin.x = std::min( begin.x, ( m_length - nameTextLength ) / 2 );
 
 end.x = m_length;
 end.x = std::max( end.x, ( m_length + nameTextLength ) / 2 );
 end.x = std::max( end.x, ( m_length + numberTextLength ) / 2 );
 end.y = std::min( -minsizeV, -numberTextHeight - PIN_TEXT_OFFSET );
 }
 
 // Now, calculate boundary box corners position for the actual pin orientation
 PIN_ORIENTATION orient = PinDrawOrient( DefaultTransform );
 
 /* Calculate the pin position */
 switch( orient )
 {
 case PIN_ORIENTATION::PIN_UP:
 // Pin is rotated and texts positions are mirrored
 RotatePoint( begin, VECTOR2I( 0, 0 ), -ANGLE_90 );
 RotatePoint( end, VECTOR2I( 0, 0 ), -ANGLE_90 );
 break;
 
 case PIN_ORIENTATION::PIN_DOWN:
 RotatePoint( begin, VECTOR2I( 0, 0 ), ANGLE_90 );
 RotatePoint( end, VECTOR2I( 0, 0 ), ANGLE_90 );
 begin.x = -begin.x;
 end.x = -end.x;
 break;
 
 case PIN_ORIENTATION::PIN_LEFT:
 begin.x = -begin.x;
 end.x = -end.x;
 break;
 
 case PIN_ORIENTATION::PIN_RIGHT:
 break;
 }
 
 begin += m_position;
 end += m_position;
 
 bbox.SetOrigin( begin );
 bbox.SetEnd( end );
 bbox.Normalize();
 bbox.Inflate( ( GetPenWidth() / 2 ) + 1 );
 
 // Draw Y axis is reversed in schematic:
 bbox.RevertYAxis();
 
 return bbox;
}
 
 
BITMAPS LIB_PIN::GetMenuImage() const
{
 return ElectricalPinTypeGetBitmap( m_type );
}
 
 
wxString LIB_PIN::GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const
{
 // This code previously checked "m_name.IsEmpty()" to choose the correct
 // formatting path, but that check fails if the pin is called "~" which is
 // the default for an empty pin name. Instead we get the final display string
 // that will be shown and check if it's empty.
 
 wxString shownName = UnescapeString( GetShownName() );
 
 if( IsVisible() )
 {
 if ( !shownName.IsEmpty() )
 {
 return wxString::Format( _( "Pin %s [%s, %s, %s]" ),
 GetShownNumber(),
 shownName,
 GetElectricalTypeName(),
 PinShapeGetText( m_shape ) );
 }
 else
 {
 return wxString::Format( _( "Pin %s [%s, %s]" ),
 GetShownNumber(),
 GetElectricalTypeName(),
 PinShapeGetText( m_shape ) );
 }
 }
 else
 {
 if( !shownName.IsEmpty() )
 {
 return wxString::Format( _( "Hidden pin %s [%s, %s, %s]" ),
 GetShownNumber(),
 shownName,
 GetElectricalTypeName(),
 PinShapeGetText( m_shape ) );
 }
 else
 {
 return wxString::Format( _( "Hidden pin %s [%s, %s]" ),
 GetShownNumber(),
 GetElectricalTypeName(),
 PinShapeGetText( m_shape ) );
 }
 }
}
 
 
std::ostream& LIB_PIN::operator<<( std::ostream& aStream )
{
 aStream << "LIB_PIN:" << std::endl
 << " Name: \"" << m_name << "\"" << std::endl
 << " Number: \"" << m_number << "\"" << std::endl
 << " Position: " << m_position << std::endl
 << " Length: " << m_length << std::endl
 << " Orientation: " << PinOrientationName( m_orientation ) << std::endl
 << " Shape: " << PinShapeGetText( m_shape ) << std::endl
 << " Type: " << ElectricalPinTypeGetText( m_type ) << std::endl
 << " Name Text Size: " << m_nameTextSize << std::endl
 << " Number Text Size: " << m_numTextSize << std::endl;
 
 return aStream;
}
 
 
#if defined(DEBUG)
 
void LIB_PIN::Show( int nestLevel, std::ostream& os ) const
{
 NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str()
 << " num=\"" << m_number.mb_str()
 << '"' << "/>\n";
 
// NestedSpace( nestLevel, os ) << "</" << GetClass().Lower().mb_str() << ">\n";
}
 
#endif
 
void LIB_PIN::CalcEdit( const VECTOR2I& aPosition )
{
 if( IsMoving() )
 MoveTo( aPosition );
}
 
 
static struct LIB_PIN_DESC
{
 LIB_PIN_DESC()
 {
 auto& pinTypeEnum = ENUM_MAP<ELECTRICAL_PINTYPE>::Instance();
 
 if( pinTypeEnum.Choices().GetCount() == 0 )
 {
 pinTypeEnum.Map( ELECTRICAL_PINTYPE::PT_INPUT, _HKI( "Input" ) )
 .Map( ELECTRICAL_PINTYPE::PT_OUTPUT, _HKI( "Output" ) )
 .Map( ELECTRICAL_PINTYPE::PT_BIDI, _HKI( "Bidirectional" ) )
 .Map( ELECTRICAL_PINTYPE::PT_TRISTATE, _HKI( "Tri-state" ) )
 .Map( ELECTRICAL_PINTYPE::PT_PASSIVE, _HKI( "Passive" ) )
 .Map( ELECTRICAL_PINTYPE::PT_NIC, _HKI( "Free" ) )
 .Map( ELECTRICAL_PINTYPE::PT_UNSPECIFIED, _HKI( "Unspecified" ) )
 .Map( ELECTRICAL_PINTYPE::PT_POWER_IN, _HKI( "Power input" ) )
 .Map( ELECTRICAL_PINTYPE::PT_POWER_OUT, _HKI( "Power output" ) )
 .Map( ELECTRICAL_PINTYPE::PT_OPENCOLLECTOR, _HKI( "Open collector" ) )
 .Map( ELECTRICAL_PINTYPE::PT_OPENEMITTER, _HKI( "Open emitter" ) )
 .Map( ELECTRICAL_PINTYPE::PT_NC, _HKI( "Unconnected" ) );
 }
 
 auto& pinShapeEnum = ENUM_MAP<GRAPHIC_PINSHAPE>::Instance();
 
 if( pinShapeEnum.Choices().GetCount() == 0 )
 {
 pinShapeEnum.Map( GRAPHIC_PINSHAPE::LINE, _HKI( "Line" ) )
 .Map( GRAPHIC_PINSHAPE::INVERTED, _HKI( "Inverted" ) )
 .Map( GRAPHIC_PINSHAPE::CLOCK, _HKI( "Clock" ) )
 .Map( GRAPHIC_PINSHAPE::INVERTED_CLOCK, _HKI( "Inverted clock" ) )
 .Map( GRAPHIC_PINSHAPE::INPUT_LOW, _HKI( "Input low" ) )
 .Map( GRAPHIC_PINSHAPE::CLOCK_LOW, _HKI( "Clock low" ) )
 .Map( GRAPHIC_PINSHAPE::OUTPUT_LOW, _HKI( "Output low" ) )
 .Map( GRAPHIC_PINSHAPE::FALLING_EDGE_CLOCK, _HKI( "Falling edge clock" ) )
 .Map( GRAPHIC_PINSHAPE::NONLOGIC, _HKI( "NonLogic" ) );
 }
 
 auto& orientationEnum = ENUM_MAP<PIN_ORIENTATION>::Instance();
 
 if( orientationEnum.Choices().GetCount() == 0 )
 {
 orientationEnum.Map( PIN_ORIENTATION::PIN_RIGHT, _( "Right" ) )
 .Map( PIN_ORIENTATION::PIN_LEFT, _( "Left" ) )
 .Map( PIN_ORIENTATION::PIN_UP, _( "Up" ) )
 .Map( PIN_ORIENTATION::PIN_DOWN, _( "Down" ) );
 }
 
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 REGISTER_TYPE( LIB_PIN );
 propMgr.InheritsAfter( TYPE_HASH( LIB_PIN ), TYPE_HASH( SCH_ITEM ) );
 
 propMgr.AddProperty( new PROPERTY<LIB_PIN, wxString>( _HKI( "Pin Name" ),
 &LIB_PIN::SetName, &LIB_PIN::GetName ) );
 
 propMgr.AddProperty( new PROPERTY<LIB_PIN, int>( _HKI( "Name Text Size" ),
 &LIB_PIN::SetNameTextSize, &LIB_PIN::GetNameTextSize, PROPERTY_DISPLAY::PT_SIZE ) );
 
 propMgr.AddProperty( new PROPERTY<LIB_PIN, wxString>( _HKI( "Pin Number" ),
 &LIB_PIN::SetNumber, &LIB_PIN::GetNumber ) );
 
 propMgr.AddProperty( new PROPERTY<LIB_PIN, int>( _HKI( "Number Text Size" ),
 &LIB_PIN::SetNumberTextSize, &LIB_PIN::GetNumberTextSize,
 PROPERTY_DISPLAY::PT_SIZE ) );
 
 propMgr.AddProperty( new PROPERTY<LIB_PIN, int>( _HKI( "Length" ),
 &LIB_PIN::SetLength, &LIB_PIN::GetLength, PROPERTY_DISPLAY::PT_SIZE ) );
 
 propMgr.AddProperty( new PROPERTY_ENUM<LIB_PIN,
 ELECTRICAL_PINTYPE>( _HKI( "Electrical Type" ),
 &LIB_PIN::SetType, &LIB_PIN::GetType ) );
 
 propMgr.AddProperty( new PROPERTY_ENUM<LIB_PIN, GRAPHIC_PINSHAPE>( _HKI( "Graphic Style" ),
 &LIB_PIN::SetShape, &LIB_PIN::GetShape ) );
 
 propMgr.AddProperty( new PROPERTY<LIB_PIN, int>( _HKI( "Position X" ),
 &LIB_PIN::SetX, &LIB_PIN::GetX, PROPERTY_DISPLAY::PT_COORD ) );
 
 propMgr.AddProperty( new PROPERTY<LIB_PIN, int>( _HKI( "Position Y" ),
 &LIB_PIN::SetY, &LIB_PIN::GetY, PROPERTY_DISPLAY::PT_COORD ) );
 
 propMgr.AddProperty( new PROPERTY_ENUM<LIB_PIN, PIN_ORIENTATION>( _HKI( "Orientation" ),
 &LIB_PIN::SetOrientation, &LIB_PIN::GetOrientation ) );
 }
} _LIB_PIN_DESC;
 
 
ENUM_TO_WXANY( PIN_ORIENTATION )
ENUM_TO_WXANY( GRAPHIC_PINSHAPE )
ENUM_TO_WXANY( ELECTRICAL_PINTYPE )