1204 lines
33 KiB
C++
1204 lines
33 KiB
C++
/*
|
|
* 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 <dick@softplc.com>
|
|
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
|
|
* 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 <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>
|
|
|
|
|
|
EDA_SHAPE::EDA_SHAPE( SHAPE_T aType, int aDefaultLineWidth ) :
|
|
m_shape( aType ),
|
|
m_width( aDefaultLineWidth )
|
|
{
|
|
m_arcAngle = 0;
|
|
m_filled = false;
|
|
}
|
|
|
|
|
|
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 );
|
|
};
|
|
|
|
int radius = GetRadius();
|
|
|
|
// specific parameters:
|
|
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( radius * 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::ARC:
|
|
case SHAPE_T::SEGMENT:
|
|
case SHAPE_T::CIRCLE:
|
|
// these can all be done by just rotating the constituent points
|
|
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:
|
|
case SHAPE_T::CIRCLE:
|
|
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 );
|
|
}
|
|
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, -m_arcAngle / 2.0 );
|
|
return mid;
|
|
}
|
|
|
|
|
|
double EDA_SHAPE::GetArcAngleStart() const
|
|
{
|
|
wxPoint arcStart = GetStart();
|
|
wxPoint center = getCenter();
|
|
double angleStart = ArcTangente( arcStart.y - center.y, arcStart.x - center.x );
|
|
|
|
// Normalize it to 0 ... 360 deg, to avoid discontinuity for angles near 180 deg
|
|
// because 180 deg and -180 are very near angles when ampping betewwen -180 ... 180 deg.
|
|
// and this is not easy to handle in calculations
|
|
NORMALIZE_ANGLE_POS( angleStart );
|
|
|
|
return angleStart;
|
|
}
|
|
|
|
|
|
double EDA_SHAPE::GetArcAngleEnd() const
|
|
{
|
|
wxPoint arcEnd = GetEnd();
|
|
wxPoint center = getCenter();
|
|
double angleStart = ArcTangente( arcEnd.y - center.y, arcEnd.x - center.x );
|
|
|
|
// Normalize it to 0 ... 360 deg, to avoid discontinuity for angles near 180 deg
|
|
// because 180 deg and -180 are very near angles when ampping betewwen -180 ... 180 deg.
|
|
// and this is not easy to handle in calculations
|
|
NORMALIZE_ANGLE_POS( angleStart );
|
|
|
|
return angleStart;
|
|
}
|
|
|
|
|
|
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 );
|
|
|
|
VECTOR2D startLine = m_start - m_arcCenter;
|
|
VECTOR2D endLine = aEnd - m_arcCenter;
|
|
bool clockwise = m_arcAngle > 0;
|
|
|
|
m_arcAngle = RAD2DECIDEG( endLine.Angle() - startLine.Angle() );
|
|
|
|
if( clockwise && m_arcAngle < 0.0 )
|
|
m_arcAngle += 3600.0;
|
|
else if( !clockwise && m_arcAngle > 0.0 )
|
|
m_arcAngle -= 3600.0;
|
|
}
|
|
|
|
|
|
void EDA_SHAPE::SetArcAngle( double aAngle )
|
|
{
|
|
// m_Angle must be >= -360 and <= +360 degrees
|
|
m_arcAngle = NormalizeAngle360Max( aAngle );
|
|
}
|
|
|
|
|
|
void EDA_SHAPE::SetArcAngleAndEnd( double aAngle )
|
|
{
|
|
// m_Angle must be >= -360 and <= +360 degrees
|
|
m_arcAngle = NormalizeAngle360Max( aAngle );
|
|
|
|
m_end = m_start;
|
|
RotatePoint( &m_end, m_arcCenter, -m_arcAngle );
|
|
}
|
|
|
|
|
|
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, GetLineLength( GetStart(), GetEnd() ) );
|
|
aList.emplace_back( _( "Radius" ), msg );
|
|
break;
|
|
|
|
case SHAPE_T::ARC:
|
|
aList.emplace_back( shape, _( "Arc" ) );
|
|
|
|
msg.Printf( wxT( "%.1f" ), m_arcAngle / 10.0 );
|
|
aList.emplace_back( _( "Angle" ), msg );
|
|
|
|
msg = MessageTextFromValue( units, GetLineLength( getCenter(), GetStart() ) );
|
|
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( m_width / 2 );
|
|
bbox.Normalize();
|
|
|
|
return bbox;
|
|
}
|
|
|
|
|
|
bool EDA_SHAPE::hitTest( const wxPoint& aPosition, int aAccuracy ) const
|
|
{
|
|
int maxdist = aAccuracy + ( 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:
|
|
{
|
|
wxPoint relPos = aPosition - getCenter();
|
|
int radius = GetRadius();
|
|
int dist = KiROUND( EuclideanNorm( relPos ) );
|
|
|
|
if( abs( radius - dist ) <= maxdist )
|
|
{
|
|
// For arcs, the test point angle must be >= arc angle start
|
|
// and <= arc angle end
|
|
// However angle values > 360 deg are not easy to handle
|
|
// so we calculate the relative angle between arc start point and teast point
|
|
// this relative arc should be < arc angle if arc angle > 0 (CW arc)
|
|
// and > arc angle if arc angle < 0 (CCW arc)
|
|
double arc_angle_start = GetArcAngleStart(); // Always 0.0 ... 360 deg, in 0.1 deg
|
|
|
|
double arc_hittest = ArcTangente( relPos.y, relPos.x );
|
|
|
|
// Calculate relative angle between the starting point of the arc, and the test point
|
|
arc_hittest -= arc_angle_start;
|
|
|
|
// Normalise arc_hittest between 0 ... 360 deg
|
|
NORMALIZE_ANGLE_POS( arc_hittest );
|
|
|
|
// Check angle: inside the arc angle when it is > 0 and outside the not drawn arc when
|
|
// it is < 0
|
|
if( GetArcAngle() >= 0.0 )
|
|
return arc_hittest <= GetArcAngle();
|
|
else
|
|
return arc_hittest >= ( 3600.0 + GetArcAngle() );
|
|
}
|
|
else
|
|
{
|
|
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:
|
|
wxFAIL_MSG( "EDA_SHAPE::hitTest(point) not implemented 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_POLY_SET poly{ m_poly };
|
|
poly.Rotate( orientation );
|
|
poly.Move( offset );
|
|
|
|
int count = poly.TotalVertices();
|
|
|
|
for( int ii = 0; ii < count; ii++ )
|
|
{
|
|
VECTOR2I vertex = poly.CVertex( ii );
|
|
VECTOR2I vertexNext = poly.CVertex( ( ii + 1 ) % count );
|
|
|
|
// Test if the point is within aRect
|
|
if( arect.Contains( ( wxPoint ) vertex ) )
|
|
return true;
|
|
|
|
// 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
|
|
{
|
|
// Do not include the center, which is not necessarily
|
|
// inside the BB of a arc with a small angle
|
|
aBBox.SetOrigin( m_start );
|
|
aBBox.Merge( m_end );
|
|
|
|
// Determine the starting quarter
|
|
// 0 right-bottom
|
|
// 1 left-bottom
|
|
// 2 left-top
|
|
// 3 right-top
|
|
unsigned int quarter = 0; // assume right-bottom
|
|
|
|
if( m_start.x < m_arcCenter.x )
|
|
{
|
|
if( m_start.y <= m_arcCenter.y )
|
|
quarter = 2;
|
|
else // ( m_start.y > m_arcCenter.y )
|
|
quarter = 1;
|
|
}
|
|
else if( m_start.x >= m_arcCenter.x )
|
|
{
|
|
if( m_start.y < m_arcCenter.y )
|
|
quarter = 3;
|
|
else if( m_start.x == m_arcCenter.x )
|
|
quarter = 1;
|
|
}
|
|
|
|
int radius = GetRadius();
|
|
int angle = (int) GetArcAngleStart() % 900 + m_arcAngle;
|
|
bool directionCW = ( m_arcAngle > 0 ); // Is the direction of arc clockwise?
|
|
|
|
// Make the angle positive, so we go clockwise and merge points belonging to the arc
|
|
if( !directionCW )
|
|
{
|
|
angle = 900 - angle;
|
|
quarter = ( quarter + 3 ) % 4; // -1 modulo arithmetic
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
if( directionCW )
|
|
++quarter;
|
|
else
|
|
quarter += 3; // -1 modulo arithmetic
|
|
|
|
quarter %= 4;
|
|
angle -= 900;
|
|
}
|
|
|
|
aBBox.Inflate( m_width ); // Technically m_width / 2, but it doesn't hurt to have the
|
|
// bounding box a bit large to account for drawing clearances,
|
|
// etc.
|
|
}
|
|
|
|
|
|
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, m_arcAngle / 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::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_arcAngle, image->m_arcAngle );
|
|
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 TEST( a, b ) { if( a != b ) return a < b; }
|
|
#define TEST_PT( a, b ) { TEST( a.x, b.x ); TEST( a.y, b.y ); }
|
|
|
|
TEST_PT( m_start, aOther->m_start );
|
|
TEST_PT( m_end, aOther->m_end );
|
|
|
|
TEST( m_shape, 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( size_t ii = 0; ii < m_bezierPoints.size(); ++ii )
|
|
TEST_PT( m_bezierPoints[ii], aOther->m_bezierPoints[ii] );
|
|
|
|
for( int ii = 0; ii < m_poly.TotalVertices(); ++ii )
|
|
TEST_PT( m_poly.CVertex( ii ), aOther->m_poly.CVertex( ii ) );
|
|
|
|
TEST( m_width, aOther->m_width );
|
|
|
|
return 0;
|
|
} |