eda_shape.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright (C) 2011 Wayne Stambaugh <[email protected]>
 * Copyright (C) 1992-2021 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 <bezier_curves.h>
#include <base_units.h>
#include <convert_basic_shapes_to_polygon.h>
#include <eda_draw_frame.h>
#include <geometry/shape_simple.h>
#include <geometry/shape_segment.h>
#include <geometry/shape_circle.h>
#include <macros.h>
#include <math/util.h> // for KiROUND
#include <eda_shape.h>
#include <plotters/plotter.h>


EDA_SHAPE::EDA_SHAPE( SHAPE_T aType, int aLineWidth, FILL_T aFill, bool eeWinding ) :
 m_endsSwapped( false ),
 m_shape( aType ),
 m_width( aLineWidth ),
 m_fill( aFill ),
 m_editState( 0 ),
 m_eeWinding( eeWinding )
{
}


EDA_SHAPE::~EDA_SHAPE()
{
}


wxString EDA_SHAPE::ShowShape() const
{
 switch( m_shape )
 {
 case SHAPE_T::SEGMENT: return _( "Line" );
 case SHAPE_T::RECT: return _( "Rect" );
 case SHAPE_T::ARC: return _( "Arc" );
 case SHAPE_T::CIRCLE: return _( "Circle" );
 case SHAPE_T::BEZIER: return _( "Bezier Curve" );
 case SHAPE_T::POLY: return _( "Polygon" );
 default: return wxT( "??" );
 }
}


wxString EDA_SHAPE::SHAPE_T_asString() const
{
 switch( m_shape )
 {
 case SHAPE_T::SEGMENT: return "S_SEGMENT";
 case SHAPE_T::RECT: return "S_RECT";
 case SHAPE_T::ARC: return "S_ARC";
 case SHAPE_T::CIRCLE: return "S_CIRCLE";
 case SHAPE_T::POLY: return "S_POLYGON";
 case SHAPE_T::BEZIER: return "S_CURVE";
 case SHAPE_T::LAST: return "!S_LAST!"; // Synthetic value, but if we come across it then
 // we're going to want to know.
 }

 return wxEmptyString; // Just to quiet GCC.
}


void EDA_SHAPE::setPosition( const wxPoint& aPos )
{
 move( aPos - getPosition() );
}


wxPoint EDA_SHAPE::getPosition() const
{
 if( m_shape == SHAPE_T::ARC )
 return getCenter();
 else if( m_shape == SHAPE_T::POLY )
 return (wxPoint) m_poly.CVertex( 0 );
 else
 return m_start;
}


double EDA_SHAPE::GetLength() const
{
 double length = 0.0;

 switch( m_shape )
 {
 case SHAPE_T::BEZIER:
 for( size_t ii = 1; ii < m_bezierPoints.size(); ++ii )
 length += GetLineLength( m_bezierPoints[ ii - 1], m_bezierPoints[ii] );

 return length;

 case SHAPE_T::SEGMENT:
 return GetLineLength( GetStart(), GetEnd() );

 case SHAPE_T::POLY:
 for( int ii = 0; ii < m_poly.COutline( 0 ).SegmentCount(); ii++ )
 length += m_poly.COutline( 0 ).CSegment( ii ).Length();

 return length;

 case SHAPE_T::ARC:
 return 2 * M_PI * GetRadius() * ( GetArcAngle() / 3600.0 );

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 return 0.0;
 }
}


void EDA_SHAPE::move( const wxPoint& aMoveVector )
{
 switch ( m_shape )
 {
 case SHAPE_T::ARC:
 case SHAPE_T::SEGMENT:
 case SHAPE_T::RECT:
 case SHAPE_T::CIRCLE:
 m_start += aMoveVector;
 m_end += aMoveVector;
 m_arcCenter += aMoveVector;
 break;

 case SHAPE_T::POLY:
 m_poly.Move( VECTOR2I( aMoveVector ) );
 break;

 case SHAPE_T::BEZIER:
 m_start += aMoveVector;
 m_end += aMoveVector;
 m_bezierC1 += aMoveVector;
 m_bezierC2 += aMoveVector;

 for( wxPoint& pt : m_bezierPoints)
 pt += aMoveVector;

 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 break;
 }
}


void EDA_SHAPE::scale( double aScale )
{
 auto scalePt = [&]( wxPoint& pt )
 {
 pt.x = KiROUND( pt.x * aScale );
 pt.y = KiROUND( pt.y * aScale );
 };

 switch( m_shape )
 {
 case SHAPE_T::ARC:
 case SHAPE_T::SEGMENT:
 case SHAPE_T::RECT:
 scalePt( m_start );
 scalePt( m_end );
 scalePt( m_arcCenter );
 break;

 case SHAPE_T::CIRCLE: // ring or circle
 scalePt( m_start );
 m_end.x = m_start.x + KiROUND( GetRadius() * aScale );
 m_end.y = m_start.y;
 break;

 case SHAPE_T::POLY: // polygon
 {
 std::vector<wxPoint> pts;

 for( const VECTOR2I& pt : m_poly.Outline( 0 ).CPoints() )
 {
 pts.emplace_back( pt );
 scalePt( pts.back() );
 }

 SetPolyPoints( pts );
 }
 break;

 case SHAPE_T::BEZIER:
 scalePt( m_start );
 scalePt( m_end );
 scalePt( m_bezierC1 );
 scalePt( m_bezierC2 );
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 break;
 }
}


void EDA_SHAPE::rotate( const wxPoint& aRotCentre, double aAngle )
{
 switch( m_shape )
 {
 case SHAPE_T::SEGMENT:
 case SHAPE_T::CIRCLE:
 RotatePoint( &m_start, aRotCentre, aAngle );
 RotatePoint( &m_end, aRotCentre, aAngle );
 break;

 case SHAPE_T::ARC:
 RotatePoint( &m_start, aRotCentre, aAngle );
 RotatePoint( &m_end, aRotCentre, aAngle );
 RotatePoint( &m_arcCenter, aRotCentre, aAngle );
 break;

 case SHAPE_T::RECT:
 if( KiROUND( aAngle ) % 900 == 0 )
 {
  RotatePoint( &m_start, aRotCentre, aAngle );
 RotatePoint( &m_end, aRotCentre, aAngle );
 break;
 }

 // Convert non-cartesian-rotated rect to a diamond
 m_shape = SHAPE_T::POLY;
 m_poly.RemoveAllContours();
 m_poly.NewOutline();
 m_poly.Append( m_start );
 m_poly.Append( m_end.x, m_start.y );
 m_poly.Append( m_end );
 m_poly.Append( m_start.x, m_end.y );

 KI_FALLTHROUGH;

 case SHAPE_T::POLY:
 m_poly.Rotate( -DECIDEG2RAD( aAngle ), VECTOR2I( aRotCentre ) );
 break;

 case SHAPE_T::BEZIER:
 RotatePoint( &m_start, aRotCentre, aAngle);
 RotatePoint( &m_end, aRotCentre, aAngle);
 RotatePoint( &m_bezierC1, aRotCentre, aAngle);
 RotatePoint( &m_bezierC2, aRotCentre, aAngle);

 for( wxPoint& pt : m_bezierPoints )
 RotatePoint( &pt, aRotCentre, aAngle);

 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 break;
 }
}


void EDA_SHAPE::flip( const wxPoint& aCentre, bool aFlipLeftRight )
{
 switch ( m_shape )
 {
 case SHAPE_T::SEGMENT:
 case SHAPE_T::RECT:
 if( aFlipLeftRight )
 {
 m_start.x = aCentre.x - ( m_start.x - aCentre.x );
 m_end.x = aCentre.x - ( m_end.x - aCentre.x );
 }
 else
 {
 m_start.y = aCentre.y - ( m_start.y - aCentre.y );
 m_end.y = aCentre.y - ( m_end.y - aCentre.y );
 }

 std::swap( m_start, m_end );
 break;

 case SHAPE_T::CIRCLE:
 if( aFlipLeftRight )
 {
 m_start.x = aCentre.x - ( m_start.x - aCentre.x );
 m_end.x = aCentre.x - ( m_end.x - aCentre.x );
 }
 else
 {
 m_start.y = aCentre.y - ( m_start.y - aCentre.y );
 m_end.y = aCentre.y - ( m_end.y - aCentre.y );
 }
 break;

 case SHAPE_T::ARC:
 if( aFlipLeftRight )
 {
 m_start.x = aCentre.x - ( m_start.x - aCentre.x );
 m_end.x = aCentre.x - ( m_end.x - aCentre.x );
 m_arcCenter.x = aCentre.x - ( m_arcCenter.x - aCentre.x );
 }
 else
 {
 m_start.y = aCentre.y - ( m_start.y - aCentre.y );
 m_end.y = aCentre.y - ( m_end.y - aCentre.y );
 m_arcCenter.y = aCentre.y - ( m_arcCenter.y - aCentre.y );
 }

 std::swap( m_start, m_end );
 break;

 case SHAPE_T::POLY:
 m_poly.Mirror( aFlipLeftRight, !aFlipLeftRight, VECTOR2I( aCentre ) );
 break;

 case SHAPE_T::BEZIER:
 if( aFlipLeftRight )
 {
 m_start.x = aCentre.x - ( m_start.x - aCentre.x );
 m_end.x = aCentre.x - ( m_end.x - aCentre.x );
 m_bezierC1.x = aCentre.x - ( m_bezierC1.x - aCentre.x );
 m_bezierC2.x = aCentre.x - ( m_bezierC2.x - aCentre.x );
 }
 else
 {
 m_start.y = aCentre.y - ( m_start.y - aCentre.y );
 m_end.y = aCentre.y - ( m_end.y - aCentre.y );
 m_bezierC1.y = aCentre.y - ( m_bezierC1.y - aCentre.y );
 m_bezierC2.y = aCentre.y - ( m_bezierC2.y - aCentre.y );
 }

 // Rebuild the poly points shape
 {
 std::vector<wxPoint> ctrlPoints = { m_start, m_bezierC1, m_bezierC2, m_end };
 BEZIER_POLY converter( ctrlPoints );
 converter.GetPoly( m_bezierPoints, m_width );
 }
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 break;
 }
}


void EDA_SHAPE::RebuildBezierToSegmentsPointsList( int aMinSegLen )
{
 // Has meaning only for S_CURVE DRAW_SEGMENT shape
 if( m_shape != SHAPE_T::BEZIER )
 {
 m_bezierPoints.clear();
 return;
 }

 // Rebuild the m_BezierPoints vertex list that approximate the Bezier curve
 m_bezierPoints = buildBezierToSegmentsPointsList( aMinSegLen );
}


const std::vector<wxPoint> EDA_SHAPE::buildBezierToSegmentsPointsList( int aMinSegLen ) const
{
 std::vector<wxPoint> bezierPoints;

 // Rebuild the m_BezierPoints vertex list that approximate the Bezier curve
 std::vector<wxPoint> ctrlPoints = { m_start, m_bezierC1, m_bezierC2, m_end };
 BEZIER_POLY converter( ctrlPoints );
 converter.GetPoly( bezierPoints, aMinSegLen );

 return bezierPoints;
}


wxPoint EDA_SHAPE::getCenter() const
{
 switch( m_shape )
 {
 case SHAPE_T::ARC:
 return m_arcCenter;

 case SHAPE_T::CIRCLE:
 return m_start;

 case SHAPE_T::SEGMENT:
 // Midpoint of the line
 return ( m_start + m_end ) / 2;

 case SHAPE_T::POLY:
 case SHAPE_T::RECT:
 case SHAPE_T::BEZIER:
 return getBoundingBox().Centre();

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 return wxPoint();
 }
}


void EDA_SHAPE::SetCenter( const wxPoint& aCenter )
{
 switch( m_shape )
 {
 case SHAPE_T::ARC:
 m_arcCenter = aCenter;
 break;

 case SHAPE_T::CIRCLE:
 m_start = aCenter;
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
}


wxPoint EDA_SHAPE::GetArcMid() const
{
 wxPoint mid = m_start;
 RotatePoint( &mid, m_arcCenter, -GetArcAngle() / 2.0 );
 return mid;
}


void EDA_SHAPE::CalcArcAngles( double& aStartAngle, double& aEndAngle ) const
{
 VECTOR2D startRadial( GetStart() - getCenter() );
 VECTOR2D endRadial( GetEnd() - getCenter() );

 aStartAngle = 180.0 / M_PI * atan2( startRadial.y, startRadial.x );
 aEndAngle = 180.0 / M_PI * atan2( endRadial.y, endRadial.x );

 if( aEndAngle == aStartAngle )
 aEndAngle = aStartAngle + 360.0; // ring, not null

 if( aStartAngle > aEndAngle )
 {
 if( aEndAngle < 0 )
 aEndAngle = NormalizeAngleDegrees( aEndAngle, 0.0, 360.0 );
 else
 aStartAngle = NormalizeAngleDegrees( aStartAngle, -360.0, 0.0 );
 }
}


int EDA_SHAPE::GetRadius() const
{
 double radius = 0.0;

 switch( m_shape )
 {
 case SHAPE_T::ARC:
 radius = GetLineLength( m_arcCenter, m_start );
 break;

 case SHAPE_T::CIRCLE:
 radius = GetLineLength( m_start, m_end );
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }

 // don't allow degenerate circles/arcs
 return std::max( 1, KiROUND( radius ) );
}


void EDA_SHAPE::SetArcGeometry( const wxPoint& aStart, const wxPoint& aMid, const wxPoint& aEnd )
{
 m_start = aStart;
 m_end = aEnd;
 m_arcCenter = CalcArcCenter( aStart, aMid, aEnd );
 m_endsSwapped = false;
}


double EDA_SHAPE::GetArcAngle() const
{
 double startAngle;
 double endAngle;

 CalcArcAngles( startAngle, endAngle );

 return ( endAngle - startAngle ) * 10;
}


void EDA_SHAPE::SetArcAngleAndEnd( double aAngle, bool aCheckNegativeAngle )
{
 m_end = m_start;
 RotatePoint( &m_end, m_arcCenter, -NormalizeAngle360Max( aAngle ) );

 if( aCheckNegativeAngle && aAngle < 0 )
 {
 std::swap( m_start, m_end );
 m_endsSwapped = true;
 }
}


void EDA_SHAPE::ShapeGetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
 EDA_UNITS units = aFrame->GetUserUnits();
 ORIGIN_TRANSFORMS originTransforms = aFrame->GetOriginTransforms();
 wxString msg;

 wxString shape = _( "Shape" );

 switch( m_shape )
 {
 case SHAPE_T::CIRCLE:
 aList.emplace_back( shape, _( "Circle" ) );

 msg = MessageTextFromValue( units, GetRadius() );
 aList.emplace_back( _( "Radius" ), msg );
 break;

 case SHAPE_T::ARC:
 aList.emplace_back( shape, _( "Arc" ) );

 msg.Printf( wxT( "%.1f" ), GetArcAngle() / 10.0 );
 aList.emplace_back( _( "Angle" ), msg );

 msg = MessageTextFromValue( units, GetRadius() );
 aList.emplace_back( _( "Radius" ), msg );
 break;

 case SHAPE_T::BEZIER:
 aList.emplace_back( shape, _( "Curve" ) );

 msg = MessageTextFromValue( units, GetLength() );
 aList.emplace_back( _( "Length" ), msg );
 break;

 case SHAPE_T::POLY:
 aList.emplace_back( shape, _( "Polygon" ) );

 msg.Printf( "%d", GetPolyShape().Outline(0).PointCount() );
 aList.emplace_back( _( "Points" ), msg );
 break;

 case SHAPE_T::RECT:
 aList.emplace_back( shape, _( "Rectangle" ) );

 msg = MessageTextFromValue( units, std::abs( GetEnd().x - GetStart().x ) );
 aList.emplace_back( _( "Width" ), msg );

 msg = MessageTextFromValue( units, std::abs( GetEnd().y - GetStart().y ) );
 aList.emplace_back( _( "Height" ), msg );
 break;

 case SHAPE_T::SEGMENT:
 {
 aList.emplace_back( shape, _( "Segment" ) );

 msg = MessageTextFromValue( units, GetLineLength( GetStart(), GetEnd() ) );
 aList.emplace_back( _( "Length" ), msg );

 // angle counter-clockwise from 3'o-clock
 const double deg = RAD2DEG( atan2( (double)( GetStart().y - GetEnd().y ),
 (double)( GetEnd().x - GetStart().x ) ) );
 aList.emplace_back( _( "Angle" ), wxString::Format( "%.1f", deg ) );
 }
 break;

 default:
 aList.emplace_back( shape, _( "Unrecognized" ) );
 break;
 }

 aList.emplace_back( _( "Line width" ), MessageTextFromValue( units, m_width ) );
}


const EDA_RECT EDA_SHAPE::getBoundingBox() const
{
 EDA_RECT bbox;

 switch( m_shape )
 {
 case SHAPE_T::RECT:
 for( wxPoint& pt : GetRectCorners() )
 bbox.Merge( pt );

 break;

 case SHAPE_T::SEGMENT:
 bbox.SetOrigin( GetStart() );
 bbox.SetEnd( GetEnd() );
 break;

 case SHAPE_T::CIRCLE:
 bbox.SetOrigin( GetStart() );
 bbox.Inflate( GetRadius() );
 break;

 case SHAPE_T::ARC:
  computeArcBBox( bbox );
 break;

 case SHAPE_T::POLY:
 if( m_poly.IsEmpty() )
 break;

 for( auto iter = m_poly.CIterate(); iter; iter++ )
 {
 wxPoint pt( iter->x, iter->y );

 RotatePoint( &pt, getParentOrientation() );
 pt += getParentPosition();

 bbox.Merge( pt );
 }

 break;

 case SHAPE_T::BEZIER:
 bbox.SetOrigin( GetStart() );
 bbox.Merge( GetBezierC1() );
 bbox.Merge( GetBezierC2() );
 bbox.Merge( GetEnd() );
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 break;
 }

 bbox.Inflate( std::max( 0, m_width / 2 ) );
 bbox.Normalize();

 return bbox;
}


bool EDA_SHAPE::hitTest( const wxPoint& aPosition, int aAccuracy ) const
{
 int maxdist = aAccuracy;

 if( m_width > 0 )
 maxdist += m_width / 2;

 switch( m_shape )
 {
 case SHAPE_T::CIRCLE:
 {
 int radius = GetRadius();
 int dist = KiROUND( EuclideanNorm( aPosition - getCenter() ) );

 if( IsFilled() )
 return dist <= radius + maxdist; // Filled circle hit-test
 else
 return abs( radius - dist ) <= maxdist; // Ring hit-test
 }

 case SHAPE_T::ARC:
 {
 if( EuclideanNorm( aPosition - m_start ) <= maxdist )
 return true;

 if( EuclideanNorm( aPosition - m_end ) <= maxdist )
 return true;

 wxPoint relPos = aPosition - getCenter();
 int radius = GetRadius();
 int dist = KiROUND( EuclideanNorm( relPos ) );

 if( abs( radius - dist ) <= maxdist )
 {
 double startAngle;
 double endAngle;
 CalcArcAngles( startAngle, endAngle );

 if( m_eeWinding && NormalizeAngleDegrees( startAngle - endAngle, -180.0, 180.0 ) > 0 )
 std::swap( startAngle, endAngle );

 double relPosAngle = 180.0 / M_PI * atan2( relPos.y, relPos.x );

 startAngle = NormalizeAngleDegrees( startAngle, 0.0, 360.0 );
 endAngle = NormalizeAngleDegrees( endAngle, 0.0, 360.0 );
 relPosAngle = NormalizeAngleDegrees( relPosAngle, 0.0, 360.0 );

 if( endAngle > startAngle )
 return relPosAngle >= startAngle && relPosAngle <= endAngle;
 else
 return relPosAngle >= startAngle || relPosAngle <= endAngle;
 }

 return false;
 }

 case SHAPE_T::BEZIER:
 const_cast<EDA_SHAPE*>( this )->RebuildBezierToSegmentsPointsList( m_width );

 for( unsigned int i= 1; i < m_bezierPoints.size(); i++)
 {
 if( TestSegmentHit( aPosition, m_bezierPoints[ i - 1], m_bezierPoints[i], maxdist ) )
 return true;
 }

 return false;

 case SHAPE_T::SEGMENT:
 return TestSegmentHit( aPosition, GetStart(), GetEnd(), maxdist );

 case SHAPE_T::RECT:
 if( IsFilled() ) // Filled rect hit-test
 {
 SHAPE_POLY_SET poly;
 poly.NewOutline();

 for( const wxPoint& pt : GetRectCorners() )
 poly.Append( pt );

 return poly.Collide( VECTOR2I( aPosition ), maxdist );
 }
 else // Open rect hit-test
 {
 std::vector<wxPoint> pts = GetRectCorners();

 return TestSegmentHit( aPosition, pts[0], pts[1], maxdist )
 || TestSegmentHit( aPosition, pts[1], pts[2], maxdist )
 || TestSegmentHit( aPosition, pts[2], pts[3], maxdist )
 || TestSegmentHit( aPosition, pts[3], pts[0], maxdist );
 }

 case SHAPE_T::POLY:
 if( IsFilled() )
 {
 return m_poly.Collide( VECTOR2I( aPosition ), maxdist );
 }
 else
 {
 SHAPE_POLY_SET::VERTEX_INDEX dummy;
 return m_poly.CollideEdge( VECTOR2I( aPosition ), dummy, maxdist );
 }

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 return false;
 }
}


bool EDA_SHAPE::hitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
{
 EDA_RECT arect = aRect;
 arect.Normalize();
 arect.Inflate( aAccuracy );

 EDA_RECT arcRect;
 EDA_RECT bb = getBoundingBox();

 switch( m_shape )
 {
 case SHAPE_T::CIRCLE:
 // Test if area intersects or contains the circle:
 if( aContained )
 {
 return arect.Contains( bb );
 }
 else
 {
 // If the rectangle does not intersect the bounding box, this is a much quicker test
 if( !aRect.Intersects( bb ) )
 {
 return false;
 }
 else
 {
 return arect.IntersectsCircleEdge( getCenter(), GetRadius(), GetWidth() );
 }
 }

 case SHAPE_T::ARC:
 // Test for full containment of this arc in the rect
 if( aContained )
 {
 return arect.Contains( bb );
 }
 // Test if the rect crosses the arc
 else
 {
 arcRect = bb.Common( arect );

 /* All following tests must pass:
 * 1. Rectangle must intersect arc BoundingBox
 * 2. Rectangle must cross the outside of the arc
 */
 return arcRect.Intersects( arect ) &&
 arcRect.IntersectsCircleEdge( getCenter(), GetRadius(), GetWidth() );
 }

 case SHAPE_T::RECT:
 if( aContained )
 {
 return arect.Contains( bb );
 }
 else
 {
 std::vector<wxPoint> pts = GetRectCorners();

 // Account for the width of the lines
 arect.Inflate( GetWidth() / 2 );
 return ( arect.Intersects( pts[0], pts[1] )
 || arect.Intersects( pts[1], pts[2] )
 || arect.Intersects( pts[2], pts[3] )
 || arect.Intersects( pts[3], pts[0] ) );
 }

 case SHAPE_T::SEGMENT:
 if( aContained )
 {
 return arect.Contains( GetStart() ) && aRect.Contains( GetEnd() );
 }
 else
 {
 // Account for the width of the line
 arect.Inflate( GetWidth() / 2 );
 return arect.Intersects( GetStart(), GetEnd() );
 }

 case SHAPE_T::POLY:
 if( aContained )
 {
 return arect.Contains( bb );
 }
 else
 {
 // Fast test: if aRect is outside the polygon bounding box,
 // rectangles cannot intersect
 if( !arect.Intersects( bb ) )
 return false;

 // Account for the width of the line
 arect.Inflate( GetWidth() / 2 );

 // Polygons in footprints use coordinates relative to the footprint.
 // Therefore, instead of using m_poly, we make a copy which is translated
 // to the actual location in the board.
 double orientation = 0.0;
 wxPoint offset = getParentPosition();

 if( getParentOrientation() )
 orientation = -DECIDEG2RAD( getParentOrientation() );

 SHAPE_LINE_CHAIN poly = m_poly.Outline( 0 );
 poly.Rotate( orientation );
 poly.Move( offset );

 int count = poly.GetPointCount();

 for( int ii = 0; ii < count; ii++ )
 {
 VECTOR2I vertex = poly.GetPoint( ii );

 // Test if the point is within aRect
 if( arect.Contains( ( wxPoint ) vertex ) )
 return true;

 if( ii + 1 < count )
 {
 VECTOR2I vertexNext = poly.GetPoint( ii + 1 );

 // Test if this edge intersects aRect
 if( arect.Intersects( ( wxPoint ) vertex, ( wxPoint ) vertexNext ) )
 return true;
 }
 else if( poly.IsClosed() )
 {
 VECTOR2I vertexNext = poly.GetPoint( 0 );

 // Test if this edge intersects aRect
 if( arect.Intersects( ( wxPoint ) vertex, ( wxPoint ) vertexNext ) )
 return true;
 }
  }

 return false;
 }

 case SHAPE_T::BEZIER:
 if( aContained )
 {
 return arect.Contains( bb );
 }
 else
 {
 // Fast test: if aRect is outside the polygon bounding box,
 // rectangles cannot intersect
 if( !arect.Intersects( bb ) )
 return false;

 // Account for the width of the line
 arect.Inflate( GetWidth() / 2 );
 unsigned count = m_bezierPoints.size();

 for( unsigned ii = 1; ii < count; ii++ )
 {
 wxPoint vertex = m_bezierPoints[ ii - 1];
 wxPoint vertexNext = m_bezierPoints[ii];

 // Test if the point is within aRect
 if( arect.Contains( ( wxPoint ) vertex ) )
 return true;

 // Test if this edge intersects aRect
 if( arect.Intersects( vertex, vertexNext ) )
 return true;
 }

 return false;
 }

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 return false;
 }
}


std::vector<wxPoint> EDA_SHAPE::GetRectCorners() const
{
 std::vector<wxPoint> pts;
 wxPoint topLeft = GetStart();
 wxPoint botRight = GetEnd();

 // Un-rotate rect topLeft and botRight
 if( KiROUND( getParentOrientation() ) % 900 != 0 )
 {
 topLeft -= getParentPosition();
 RotatePoint( &topLeft, -getParentOrientation() );

 botRight -= getParentPosition();
 RotatePoint( &botRight, -getParentOrientation() );
 }

 // Set up the un-rotated 4 corners
 pts.emplace_back( topLeft );
 pts.emplace_back( botRight.x, topLeft.y );
 pts.emplace_back( botRight );
 pts.emplace_back( topLeft.x, botRight.y );

 // Now re-rotate the 4 corners to get a diamond
 if( KiROUND( getParentOrientation() ) % 900 != 0 )
 {
 for( wxPoint& pt : pts )
 {
 RotatePoint( &pt, getParentOrientation() );
 pt += getParentPosition();
 }
 }

 return pts;
}


void EDA_SHAPE::computeArcBBox( EDA_RECT& aBBox ) const
{
 wxPoint start = m_start;
 wxPoint end = m_end;
 double t1, t2;

 CalcArcAngles( t1, t2 );

 if( m_eeWinding && NormalizeAngleDegrees( t1 - t2, -180.0, 180.0 ) > 0 )
 std::swap( start, end );

 // Do not include the center, which is not necessarily inside the BB of an arc with a small
 // included angle
 aBBox.SetOrigin( start );
 aBBox.Merge( end );

 // Determine the starting quarter
 // 0 right-bottom
 // 1 left-bottom
 // 2 left-top
 // 3 right-top
 unsigned int quarter;

 if( start.x < m_arcCenter.x )
 {
 if( start.y <= m_arcCenter.y )
 quarter = 2;
 else
 quarter = 1;
 }
 else if( start.x == m_arcCenter.x )
 {
 if( start.y < m_arcCenter.y )
 quarter = 3;
 else
 quarter = 1;
 }
 else
 {
 if( start.y < m_arcCenter.y )
 quarter = 3;
 else
 quarter = 0;
 }

 int radius = GetRadius();
 VECTOR2I startRadial = start - m_arcCenter;
 VECTOR2I endRadial = end - m_arcCenter;
 double angleStart = ArcTangente( startRadial.y, startRadial.x );
 double arcAngle = RAD2DECIDEG( endRadial.Angle() - startRadial.Angle() );
 int angle = (int) NormalizeAnglePos( angleStart ) % 900 + NormalizeAnglePos( arcAngle );

 while( angle > 900 )
 {
 switch( quarter )
 {
 case 0: aBBox.Merge( wxPoint( m_arcCenter.x, m_arcCenter.y + radius ) ); break; // down
 case 1: aBBox.Merge( wxPoint( m_arcCenter.x - radius, m_arcCenter.y ) ); break; // left
 case 2: aBBox.Merge( wxPoint( m_arcCenter.x, m_arcCenter.y - radius ) ); break; // up
 case 3: aBBox.Merge( wxPoint( m_arcCenter.x + radius, m_arcCenter.y ) ); break; // right
 }

 ++quarter %= 4;
 angle -= 900;
 }
}


void EDA_SHAPE::SetPolyPoints( const std::vector<wxPoint>& aPoints )
{
 m_poly.RemoveAllContours();
 m_poly.NewOutline();

 for ( const wxPoint& p : aPoints )
 m_poly.Append( p.x, p.y );
}


std::vector<SHAPE*> EDA_SHAPE::MakeEffectiveShapes() const
{
 std::vector<SHAPE*> effectiveShapes;

 switch( m_shape )
 {
 case SHAPE_T::ARC:
 effectiveShapes.emplace_back( new SHAPE_ARC( m_arcCenter, m_start, GetArcAngle() / 10.0,
 m_width ) );
 break;

 case SHAPE_T::SEGMENT:
 effectiveShapes.emplace_back( new SHAPE_SEGMENT( m_start, m_end, m_width ) );
 break;

 case SHAPE_T::RECT:
 {
 std::vector<wxPoint> pts = GetRectCorners();

 if( IsFilled() )
 effectiveShapes.emplace_back( new SHAPE_SIMPLE( pts ) );

 if( m_width > 0 || !IsFilled() )
 {
 effectiveShapes.emplace_back( new SHAPE_SEGMENT( pts[0], pts[1], m_width ) );
 effectiveShapes.emplace_back( new SHAPE_SEGMENT( pts[1], pts[2], m_width ) );
 effectiveShapes.emplace_back( new SHAPE_SEGMENT( pts[2], pts[3], m_width ) );
 effectiveShapes.emplace_back( new SHAPE_SEGMENT( pts[3], pts[0], m_width ) );
 }
 }
 break;

 case SHAPE_T::CIRCLE:
 {
 if( IsFilled() )
 effectiveShapes.emplace_back( new SHAPE_CIRCLE( getCenter(), GetRadius() ) );

 if( m_width > 0 || !IsFilled() )
 {
 // SHAPE_CIRCLE has no ConvertToPolyline() method, so use a 360.0 SHAPE_ARC
 SHAPE_ARC circle( getCenter(), GetEnd(), 360.0 );
 SHAPE_LINE_CHAIN l = circle.ConvertToPolyline();

 for( int i = 0; i < l.SegmentCount(); i++ )
 {
 effectiveShapes.emplace_back( new SHAPE_SEGMENT( l.Segment( i ).A, l.Segment( i ).B,
 m_width ) );
 }
 }

 break;
 }

 case SHAPE_T::BEZIER:
 {
 auto bezierPoints = buildBezierToSegmentsPointsList( GetWidth() );
 wxPoint start_pt = bezierPoints[0];

 for( unsigned int jj = 1; jj < bezierPoints.size(); jj++ )
 {
 wxPoint end_pt = bezierPoints[jj];
 effectiveShapes.emplace_back( new SHAPE_SEGMENT( start_pt, end_pt, m_width ) );
 start_pt = end_pt;
 }

 break;
 }

 case SHAPE_T::POLY:
 {
 SHAPE_LINE_CHAIN l = GetPolyShape().COutline( 0 );

 l.Rotate( -DECIDEG2RAD( getParentOrientation() ) );
 l.Move( getParentPosition() );

 if( IsFilled() )
 effectiveShapes.emplace_back( new SHAPE_SIMPLE( l ) );

 if( m_width > 0 || !IsFilled() )
 {
 for( int i = 0; i < l.SegmentCount(); i++ )
 effectiveShapes.emplace_back( new SHAPE_SEGMENT( l.Segment( i ), m_width ) );
 }
 }
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 break;
 }

 return effectiveShapes;
}


void EDA_SHAPE::DupPolyPointsList( std::vector<wxPoint>& aBuffer ) const
{
 if( m_poly.OutlineCount() )
 {
 int pointCount = m_poly.COutline( 0 ).PointCount();

 if( pointCount )
 {
 aBuffer.reserve( pointCount );

 for ( auto iter = m_poly.CIterate(); iter; iter++ )
 aBuffer.emplace_back( iter->x, iter->y );
 }
 }
}


bool EDA_SHAPE::IsPolyShapeValid() const
{
 // return true if the polygonal shape is valid (has more than 2 points)
 if( GetPolyShape().OutlineCount() == 0 )
 return false;

 const SHAPE_LINE_CHAIN& outline = ( (SHAPE_POLY_SET&)GetPolyShape() ).Outline( 0 );

 return outline.PointCount() > 2;
}


int EDA_SHAPE::GetPointCount() const
{
 // return the number of corners of the polygonal shape
 // this shape is expected to be only one polygon without hole
 if( GetPolyShape().OutlineCount() )
 return GetPolyShape().VertexCount( 0 );

 return 0;
}


void EDA_SHAPE::beginEdit( const wxPoint& aPosition )
{
 switch( GetShape() )
 {
 case SHAPE_T::SEGMENT:
 case SHAPE_T::CIRCLE:
 case SHAPE_T::RECT:
 SetStart( aPosition );
 SetEnd( aPosition );
 break;

 case SHAPE_T::ARC:
 SetArcGeometry( aPosition, aPosition, aPosition );
 m_editState = 1;
 break;

 case SHAPE_T::POLY:
 m_poly.NewOutline();
 m_poly.Outline( 0 ).SetClosed( false );

 // Start and end of the first segment (co-located for now)
 m_poly.Outline( 0 ).Append( aPosition );
 m_poly.Outline( 0 ).Append( aPosition, true );
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
}


bool EDA_SHAPE::continueEdit( const wxPoint& aPosition )
{
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 case SHAPE_T::SEGMENT:
 case SHAPE_T::CIRCLE:
 case SHAPE_T::RECT:
 return false;

 case SHAPE_T::POLY:
 {
 SHAPE_LINE_CHAIN& poly = m_poly.Outline( 0 );

 // do not add zero-length segments
 if( poly.CPoint( poly.GetPointCount() - 2 ) != poly.CLastPoint() )
 poly.Append( aPosition, true );
 }
 return true;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 return false;
 }
}


void EDA_SHAPE::calcEdit( const wxPoint& aPosition )
{
#define sq( x ) pow( x, 2 )

 switch( GetShape() )
 {
 case SHAPE_T::SEGMENT:
 case SHAPE_T::CIRCLE:
 case SHAPE_T::RECT:
 SetEnd( aPosition );
 break;

 case SHAPE_T::ARC:
 {
 int radius = GetRadius();

 // Edit state 0: drawing: place start
 // Edit state 1: drawing: place end (center calculated for 90-degree subtended angle)
 // Edit state 2: point edit: move start (center calculated for invariant subtended angle)
 // Edit state 3: point edit: move end (center calculated for invariant subtended angle)
 // Edit state 4: point edit: move center
 // Edit state 5: point edit: move arc-mid-point

 switch( m_editState )
 {
 case 0:
 SetArcGeometry( aPosition, aPosition, aPosition );
 return;

 case 1:
 m_end = aPosition;
 radius = KiROUND( sqrt( sq( GetLineLength( m_start, m_end ) ) / 2.0 ) );
 break;

 case 2:
 case 3:
 {
 wxPoint v = m_start - m_end;
 double chordBefore = sq( v.x ) + sq( v.y );

 if( m_editState == 2 )
 m_start = aPosition;
 else
 m_end = aPosition;

 v = m_start - m_end;
 double chordAfter = sq( v.x ) + sq( v.y );
 double ratio = chordAfter / chordBefore;

 if( ratio != 0 )
 {
 radius = std::max( int( sqrt( sq( radius ) * ratio ) ) + 1,
 int( sqrt( chordAfter ) / 2 ) + 1 );
 }
 }
 break;

 case 4:
 {
 double chordA = GetLineLength( m_start, aPosition );
 double chordB = GetLineLength( m_end, aPosition );
 radius = int( ( chordA + chordB ) / 2.0 ) + 1;
 }
 break;

 case 5:
 SetArcGeometry( GetStart(), aPosition, GetEnd() );
 return;
 }

 // Calculate center based on start, end, and radius
 //
 // Let 'l' be the length of the chord and 'm' the middle point of the chord
 double l = GetLineLength( m_start, m_end );
 wxPoint m = ( m_start + m_end ) / 2;

 // Calculate 'd', the vector from the chord midpoint to the center
 wxPoint d;
 d.x = KiROUND( sqrt( sq( radius ) - sq( l/2 ) ) * ( m_start.y - m_end.y ) / l );
 d.y = KiROUND( sqrt( sq( radius ) - sq( l/2 ) ) * ( m_end.x - m_start.x ) / l );

 wxPoint c1 = m + d;
 wxPoint c2 = m - d;

 // Solution gives us 2 centers; we need to pick one:
 switch( m_editState )
 {
 case 1:
 {
 // Keep center clockwise from chord while drawing
 wxPoint chordVector = m_end - m_start;
 double chordAngle = ArcTangente( chordVector.y, chordVector.x );
 NORMALIZE_ANGLE_POS( chordAngle );

 wxPoint c1Test = c1;
 RotatePoint( &c1Test, m_start, -chordAngle );

 m_arcCenter = c1Test.x > 0 ? c2 : c1;
 }
 break;

 case 2:
 case 3:
 // Pick the one closer to the old center
 m_arcCenter = GetLineLength( c1, m_arcCenter ) < GetLineLength( c2, m_arcCenter ) ? c1 : c2;
 break;

 case 4:
 // Pick the one closer to the mouse position
 m_arcCenter = GetLineLength( c1, aPosition ) < GetLineLength( c2, aPosition ) ? c1 : c2;
 break;
 }
 }
 break;

 case SHAPE_T::POLY:
 m_poly.Outline( 0 ).SetPoint( m_poly.Outline( 0 ).GetPointCount() - 1, aPosition );
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
}


void EDA_SHAPE::endEdit()
{
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 case SHAPE_T::SEGMENT:
 case SHAPE_T::CIRCLE:
 case SHAPE_T::RECT:
 break;

 case SHAPE_T::POLY:
 {
 SHAPE_LINE_CHAIN& poly = m_poly.Outline( 0 );

 // do not include last point twice
 if( poly.GetPointCount() > 2 )
 {
 if( poly.CPoint( poly.GetPointCount() - 2 ) == poly.CLastPoint() )
 {
 poly.SetClosed( true );
 poly.Remove( poly.GetPointCount() - 1 );
 }
 }
 }
 break;

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
}


void EDA_SHAPE::SwapShape( EDA_SHAPE* aImage )
{
 EDA_SHAPE* image = dynamic_cast<EDA_SHAPE*>( aImage );
 assert( image );

 std::swap( m_width, image->m_width );
 std::swap( m_start, image->m_start );
 std::swap( m_end, image->m_end );
 std::swap( m_arcCenter, image->m_arcCenter );
 std::swap( m_shape, image->m_shape );
 std::swap( m_bezierC1, image->m_bezierC1 );
 std::swap( m_bezierC2, image->m_bezierC2 );
 std::swap( m_bezierPoints, image->m_bezierPoints );
 std::swap( m_poly, image->m_poly );
}


int EDA_SHAPE::Compare( const EDA_SHAPE* aOther ) const
{
#define EPSILON 2 // Should be enough for rounding errors on calculated items

#define TEST( a, b ) { if( a != b ) return a - b; }
#define TEST_E( a, b ) { if( abs( a - b ) > EPSILON ) return a - b; }
#define TEST_PT( a, b ) { TEST_E( a.x, b.x ); TEST_E( a.y, b.y ); }

 TEST_PT( m_start, aOther->m_start );
 TEST_PT( m_end, aOther->m_end );

 TEST( (int) m_shape, (int) aOther->m_shape );

 if( m_shape == SHAPE_T::ARC )
 {
 TEST_PT( m_arcCenter, aOther->m_arcCenter );
 }
 else if( m_shape == SHAPE_T::BEZIER )
 {
 TEST_PT( m_bezierC1, aOther->m_bezierC1 );
 TEST_PT( m_bezierC2, aOther->m_bezierC2 );
 }
 else if( m_shape == SHAPE_T::POLY )
 {
 TEST( m_poly.TotalVertices(), aOther->m_poly.TotalVertices() );

 for( int ii = 0; ii < m_poly.TotalVertices(); ++ii )
 TEST_PT( m_poly.CVertex( ii ), aOther->m_poly.CVertex( ii ) );
 }

 TEST_E( m_width, aOther->m_width );
 TEST( (int) m_fill, (int) aOther->m_fill );

 return 0;
}


void EDA_SHAPE::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
 int aClearanceValue,
 int aError, ERROR_LOC aErrorLoc,
 bool ignoreLineWidth ) const
{
 int width = ignoreLineWidth ? 0 : m_width;

 width += 2 * aClearanceValue;

 switch( m_shape )
 {
 case SHAPE_T::CIRCLE:
 if( IsFilled() )
 {
 TransformCircleToPolygon( aCornerBuffer, getCenter(), GetRadius() + width / 2, aError,
 aErrorLoc );
 }
 else
 {
 TransformRingToPolygon( aCornerBuffer, getCenter(), GetRadius(), width, aError,
 aErrorLoc );
 }

 break;

 case SHAPE_T::RECT:
 {
 std::vector<wxPoint> pts = GetRectCorners();

 if( IsFilled() )
 {
 aCornerBuffer.NewOutline();

 for( const wxPoint& pt : pts )
 aCornerBuffer.Append( pt );
 }

 if( width > 0 || !IsFilled() )
 {
 // Add in segments
 TransformOvalToPolygon( aCornerBuffer, pts[0], pts[1], width, aError, aErrorLoc );
 TransformOvalToPolygon( aCornerBuffer, pts[1], pts[2], width, aError, aErrorLoc );
 TransformOvalToPolygon( aCornerBuffer, pts[2], pts[3], width, aError, aErrorLoc );
 TransformOvalToPolygon( aCornerBuffer, pts[3], pts[0], width, aError, aErrorLoc );
 }

 break;
 }

 case SHAPE_T::ARC:
 TransformArcToPolygon( aCornerBuffer, GetStart(), GetArcMid(), GetEnd(), width, aError,
 aErrorLoc );
 break;

 case SHAPE_T::SEGMENT:
 TransformOvalToPolygon( aCornerBuffer, GetStart(), GetEnd(), width, aError, aErrorLoc );
 break;

 case SHAPE_T::POLY:
 {
 if( !IsPolyShapeValid() )
 break;

 // The polygon is expected to be a simple polygon; not self intersecting, no hole.
 double orientation = getParentOrientation();
 wxPoint offset = getParentPosition();

 // Build the polygon with the actual position and orientation:
 std::vector<wxPoint> poly;
 DupPolyPointsList( poly );

 for( wxPoint& point : poly )
 {
 RotatePoint( &point, orientation );
 point += offset;
 }

 if( IsFilled() )
 {
 aCornerBuffer.NewOutline();

 for( const wxPoint& point : poly )
 aCornerBuffer.Append( point.x, point.y );
 }

 if( width > 0 || !IsFilled() )
 {
 wxPoint pt1( poly[ poly.size() - 1] );

 for( const wxPoint& pt2 : poly )
 {
 if( pt2 != pt1 )
 TransformOvalToPolygon( aCornerBuffer, pt1, pt2, width, aError, aErrorLoc );

 pt1 = pt2;
 }
 }

 break;
 }

 case SHAPE_T::BEZIER:
 {
 std::vector<wxPoint> ctrlPts = { GetStart(), GetBezierC1(), GetBezierC2(), GetEnd() };
 BEZIER_POLY converter( ctrlPts );
 std::vector< wxPoint> poly;
 converter.GetPoly( poly, m_width );

 for( unsigned ii = 1; ii < poly.size(); ii++ )
 {
 TransformOvalToPolygon( aCornerBuffer, poly[ii - 1], poly[ii], width, aError,
 aErrorLoc );
 }

 break;
 }

 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 break;
 }
}


static struct EDA_SHAPE_DESC
{
 EDA_SHAPE_DESC()
 {
 ENUM_MAP<SHAPE_T>::Instance()
 .Map( SHAPE_T::SEGMENT, _HKI( "Segment" ) )
 .Map( SHAPE_T::RECT, _HKI( "Rectangle" ) )
 .Map( SHAPE_T::ARC, _HKI( "Arc" ) )
 .Map( SHAPE_T::CIRCLE, _HKI( "Circle" ) )
 .Map( SHAPE_T::POLY, _HKI( "Polygon" ) )
 .Map( SHAPE_T::BEZIER, _HKI( "Bezier" ) );
 ENUM_MAP<PLOT_DASH_TYPE>::Instance()
 .Map( PLOT_DASH_TYPE::DEFAULT, _HKI( "Default" ) )
 .Map( PLOT_DASH_TYPE::SOLID, _HKI( "Solid" ) )
 .Map( PLOT_DASH_TYPE::DASH, _HKI( "Dashed" ) )
 .Map( PLOT_DASH_TYPE::DOT, _HKI( "Dotted" ) )
 .Map( PLOT_DASH_TYPE::DASHDOT, _HKI( "Dash-Dot" ) );

 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 REGISTER_TYPE( EDA_SHAPE );
 propMgr.AddProperty( new PROPERTY_ENUM<EDA_SHAPE, SHAPE_T>( _HKI( "Shape" ),
 &EDA_SHAPE::SetShape, &EDA_SHAPE::GetShape ) );
 propMgr.AddProperty( new PROPERTY<EDA_SHAPE, int>( _HKI( "Start X" ),
 &EDA_SHAPE::SetStartX, &EDA_SHAPE::GetStartX ) );
 propMgr.AddProperty( new PROPERTY<EDA_SHAPE, int>( _HKI( "Start Y" ),
 &EDA_SHAPE::SetStartY, &EDA_SHAPE::GetStartY ) );
 propMgr.AddProperty( new PROPERTY<EDA_SHAPE, int>( _HKI( "End X" ),
 &EDA_SHAPE::SetEndX, &EDA_SHAPE::GetEndX ) );
 propMgr.AddProperty( new PROPERTY<EDA_SHAPE, int>( _HKI( "End Y" ),
 &EDA_SHAPE::SetEndY, &EDA_SHAPE::GetEndY ) );
 // TODO: m_arcCenter, m_bezierC1, m_bezierC2, m_poly
 propMgr.AddProperty( new PROPERTY<EDA_SHAPE, int>( _HKI( "Line Width" ),
 &EDA_SHAPE::SetWidth, &EDA_SHAPE::GetWidth ) );
 }
} _EDA_SHAPE_DESC;

ENUM_TO_WXANY( SHAPE_T )
ENUM_TO_WXANY( PLOT_DASH_TYPE )