#include <vabstractcubicbezier.h>

Inheritance diagram for VAbstractCubicBezier:

Collaboration diagram for VAbstractCubicBezier:

Public Member Functions
	VAbstractCubicBezier (const GOType &type, const quint32 &idObject=null_id, const Draw &mode=Draw::Calculation)

	VAbstractCubicBezier (const VAbstractCubicBezier &curve)

VAbstractCubicBezier &	operator= (const VAbstractCubicBezier &curve)

virtual	~VAbstractCubicBezier ()

virtual VPointF	GetP1 () const =0

virtual VPointF	GetP2 () const =0

virtual VPointF	GetP3 () const =0

virtual VPointF	GetP4 () const =0

QPointF	CutSpline (qreal length, QPointF &spl1p2, QPointF &spl1p3, QPointF &spl2p2, QPointF &spl2p3) const
	CutSpline cut spline. More...

virtual QString	NameForHistory (const QString &toolName) const Q_DECL_OVERRIDE

qreal	GetParmT (qreal length) const

qreal	LengthT (qreal t) const

Public Member Functions inherited from VAbstractBezier
	VAbstractBezier (const GOType &type, const quint32 &idObject=null_id, const Draw &mode=Draw::Calculation)

	VAbstractBezier (const VAbstractBezier &curve)

VAbstractBezier &	operator= (const VAbstractBezier &curve)

virtual	~VAbstractBezier ()

virtual qreal	GetC1Length () const =0

virtual qreal	GetC2Length () const =0

Public Member Functions inherited from VAbstractCurve
	VAbstractCurve (const GOType &type, const quint32 &idObject=null_id, const Draw &mode=Draw::Calculation)

	VAbstractCurve (const VAbstractCurve &curve)

virtual	~VAbstractCurve () Q_DECL_OVERRIDE

VAbstractCurve &	operator= (const VAbstractCurve &curve)

void	Swap (VAbstractCurve &curve) Q_DECL_NOTHROW

virtual QVector< QPointF >	getPoints () const =0

QVector< QPointF >	GetSegmentPoints (const QPointF &begin, const QPointF &end, bool reverse=false) const

virtual QPainterPath	GetPath () const

virtual qreal	GetLength () const =0

qreal	GetLengthByPoint (const QPointF &point) const

virtual QVector< QPointF >	IntersectLine (const QLineF &line) const
	IntersectLine return list of points for real intersection with line. More...

virtual bool	IsIntersectLine (const QLineF &line) const

bool	isPointOnCurve (const QPointF &p) const

virtual qreal	GetStartAngle () const =0

virtual qreal	GetEndAngle () const =0

quint32	GetDuplicate () const

void	SetDuplicate (quint32 number)

QString	getLineColor () const

void	setLineColor (const QString &color)

QString	GetPenStyle () const

void	SetPenStyle (const QString &penStyle)

QString	getLineWeight () const
	getLineWeight return weight of the lines More...

void	setLineWeight (const QString &lineWeight)
	setLineWeight set weight of the lines More...

QPointF	getFirstPoint ()

QPointF	getLastPoint ()

virtual QVector< DirectionArrow >	DirectionArrows () const

Public Member Functions inherited from VGObject
	VGObject ()
	VGObject default constructor. More...

	VGObject (const GOType &type, const quint32 &idObject=0, const Draw &mode=Draw::Calculation)
	VGObject constructor. More...

	VGObject (const VGObject &obj)
	VGObject copy constructor. More...

virtual	~VGObject ()

VGObject &	operator= (const VGObject &obj)
	operator = assignment operator. More...

void	Swap (VGObject &obj) Q_DECL_NOTHROW

quint32	getIdObject () const
	getIdObject return parent id. More...

void	setIdObject (const quint32 &value)
	setIdObject set parent id. More...

virtual QString	name () const
	name return name graphical object. More...

void	setName (const QString &name)
	setName set name graphical object. More...

Draw	getMode () const
	getMode return mode creation. More...

void	setMode (const Draw &value)
	setMode set mode creation. More...

GOType	getType () const
	getType return object type. More...

void	setType (const GOType &type)

quint32	id () const
	id return id object. More...

virtual void	setId (const quint32 &id)
	setId set id object. More...

quint32	getIdTool () const

Protected Member Functions
virtual void	CreateName () Q_DECL_OVERRIDE

virtual QPointF	GetControlPoint1 () const =0

virtual QPointF	GetControlPoint2 () const =0

Static Protected Member Functions
static qreal	CalcSqDistance (qreal x1, qreal y1, qreal x2, qreal y2)
	CalcSqDistance calculate squared distance. More...

static void	PointBezier_r (qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4, qint16 level, QVector< qreal > &px, QVector< qreal > &py)
	PointBezier_r find spline point using four point of spline. More...

static QVector< QPointF >	GetCubicBezierPoints (const QPointF &p1, const QPointF &p2, const QPointF &p3, const QPointF &p4)
	GetCubicBezierPoints return list with cubic bezier curve points. More...

static qreal	LengthBezier (const QPointF &p1, const QPointF &p2, const QPointF &p3, const QPointF &p4)
	LengthBezier return spline length using 4 spline point. More...

Static Protected Member Functions inherited from VGObject
static QTransform	flipTransform (const QLineF &axis)

Additional Inherited Members
Static Public Member Functions inherited from VAbstractCurve
static QVector< QPointF >	GetSegmentPoints (const QVector< QPointF > &points, const QPointF &begin, const QPointF &end, bool reverse=false)

static bool	isPointOnCurve (const QVector< QPointF > &points, const QPointF &p)

static qreal	PathLength (const QVector< QPointF > &path)

static QVector< QPointF >	CurveIntersectLine (const QVector< QPointF > &points, const QLineF &line)

static QPainterPath	ShowDirection (const QVector< DirectionArrow > &arrows, qreal width)

Static Public Member Functions inherited from VGObject
static QLineF	BuildLine (const QPointF &p1, const qreal &length, const qreal &angle)

static QPointF	BuildRay (const QPointF &firstPoint, const qreal &angle, const QRectF &scRect)

static QLineF	BuildAxis (const QPointF &p, const qreal &angle, const QRectF &scRect)

static QLineF	BuildAxis (const QPointF &p1, const QPointF &p2, const QRectF &scRect)

static int	ContactPoints (const QPointF &p, const QPointF &center, qreal radius, QPointF &p1, QPointF &p2)

static QPointF	LineIntersectRect (const QRectF &rec, const QLineF &line)
	LineIntersectRect find point intersection line and rect. More...

static int	IntersectionCircles (const QPointF &c1, double r1, const QPointF &c2, double r2, QPointF &p1, QPointF &p2)

static qint32	LineIntersectCircle (const QPointF &center, qreal radius, const QLineF &line, QPointF &p1, QPointF &p2)
	LineIntersectCircle find point intersection line and circle. More...

static QPointF	ClosestPoint (const QLineF &line, const QPointF &point)
	ClosestPoint find point projection of point onto line. More...

static QPointF	addVector (const QPointF &p, const QPointF &p1, const QPointF &p2, qreal k)

static void	LineCoefficients (const QLineF &line, qreal a, qreal b, qreal *c)
	LineCoefficients coefficient for equation of segment. Segment equestion ax+by+c=0. More...

static bool	IsPointOnLineSegment (const QPointF &t, const QPointF &p1, const QPointF &p2)
	IsPointOnLineSegment Check if the point is on the line segment. More...

static bool	IsPointOnLineviaPDP (const QPointF &t, const QPointF &p1, const QPointF &p2)
	IsPointOnLineviaPDP use the perp dot product (PDP) way. More...

template<typename T >
static QVector< T >	GetReversePoints (const QVector< T > &points)
	GetReversePoint return revers container of points. More...

static int	GetLengthContour (const QVector< QPointF > &contour, const QVector< QPointF > &newPoints)
	GetLengthContour return length of contour. More...

Static Public Attributes inherited from VAbstractCurve
static const qreal	lengthCurveDirectionArrow = 14

Static Public Attributes inherited from VGObject
static const double	accuracyPointOnLine = (0.1555 / 25.4) * 96.0

Detailed Description

Definition at line 67 of file vabstractcubicbezier.h.

Constructor & Destructor Documentation

◆ VAbstractCubicBezier() [1/2]

VAbstractCubicBezier::VAbstractCubicBezier	(	const GOType &	type,
		const quint32 &	idObject = `null_id`,
		const Draw &	mode = `Draw::Calculation`
	)

Definition at line 64 of file vabstractcubicbezier.cpp.

◆ VAbstractCubicBezier() [2/2]

VAbstractCubicBezier::VAbstractCubicBezier ( const VAbstractCubicBezier & curve )

Definition at line 70 of file vabstractcubicbezier.cpp.

◆ ~VAbstractCubicBezier()

VAbstractCubicBezier::~VAbstractCubicBezier ( )

virtual

Definition at line 87 of file vabstractcubicbezier.cpp.

Member Function Documentation

◆ CalcSqDistance()

qreal VAbstractCubicBezier::CalcSqDistance	(	qreal	x1,
		qreal	y1,
		qreal	x2,
		qreal	y2
	)

staticprotected

CalcSqDistance calculate squared distance.

Parameters

x1	х coordinate first point.
y1	у coordinate first point.
x2	х coordinate second point.
y2	у coordinate second point.

Returns: squared length.

Definition at line 216 of file vabstractcubicbezier.cpp.

Referenced by PointBezier_r().

◆ CreateName()

void VAbstractCubicBezier::CreateName ( )

protectedvirtual

Implements VAbstractCurve.

Definition at line 196 of file vabstractcubicbezier.cpp.

References VAbstractCurve::GetDuplicate(), GetP1(), GetP4(), VGObject::name(), VGObject::setName(), and SPL_.

Referenced by VCubicBezier::VCubicBezier(), and VSpline::VSpline().

◆ CutSpline()

QPointF VAbstractCubicBezier::CutSpline	(	qreal	length,
		QPointF &	spl1p2,
		QPointF &	spl1p3,
		QPointF &	spl2p2,
		QPointF &	spl2p3
	)		const

CutSpline cut spline.

Parameters

length	length first spline
spl1p2	second point of first spline
spl1p3	third point of first spline
spl2p2	second point of second spline
spl2p3	third point of second spline

Returns: point of cutting. This point is forth point of first spline and first point of second spline.

Definition at line 101 of file vabstractcubicbezier.cpp.

References GetControlPoint1(), GetControlPoint2(), VAbstractCurve::GetLength(), GetP1(), GetP4(), GetParmT(), Mm, and ToPixel().

Referenced by VToolCurveIntersectAxis::InitSegments().

◆ GetControlPoint1()

virtual QPointF VAbstractCubicBezier::GetControlPoint1 ( ) const

protectedpure virtual

Implemented in VSpline, and VCubicBezier.

Referenced by CutSpline(), and LengthT().

◆ GetControlPoint2()

virtual QPointF VAbstractCubicBezier::GetControlPoint2 ( ) const

protectedpure virtual

Implemented in VSpline, and VCubicBezier.

Referenced by CutSpline(), and LengthT().

◆ GetCubicBezierPoints()

QVector< QPointF > VAbstractCubicBezier::GetCubicBezierPoints	(	const QPointF &	p1,
		const QPointF &	p2,
		const QPointF &	p3,
		const QPointF &	p4
	)

staticprotected

GetCubicBezierPoints return list with cubic bezier curve points.

Parameters

p1	first spline point.
p2	first control point.
p3	second control point.
p4	last spline point.

Returns: list of points.

Definition at line 534 of file vabstractcubicbezier.cpp.

References PointBezier_r().

Referenced by VCubicBezier::getPoints(), VSpline::getPoints(), LengthBezier(), and VSpline::SplinePoints().

◆ GetP1()

virtual VPointF VAbstractCubicBezier::GetP1 ( ) const

pure virtual

Implemented in VSpline, and VCubicBezier.

Referenced by CreateName(), CutSpline(), LengthT(), and NameForHistory().

◆ GetP2()

virtual VPointF VAbstractCubicBezier::GetP2 ( ) const

pure virtual

Implemented in VSpline, and VCubicBezier.

◆ GetP3()

virtual VPointF VAbstractCubicBezier::GetP3 ( ) const

pure virtual

Implemented in VSpline, and VCubicBezier.

◆ GetP4()

virtual VPointF VAbstractCubicBezier::GetP4 ( ) const

pure virtual

Implemented in VSpline, and VCubicBezier.

Referenced by CreateName(), CutSpline(), LengthT(), and NameForHistory().

◆ GetParmT()

qreal VAbstractCubicBezier::GetParmT ( qreal length ) const

Definition at line 170 of file vabstractcubicbezier.cpp.

References VAbstractCurve::GetLength(), and LengthT().

Referenced by CutSpline().

◆ LengthBezier()

qreal VAbstractCubicBezier::LengthBezier	(	const QPointF &	p1,
		const QPointF &	p2,
		const QPointF &	p3,
		const QPointF &	p4
	)

staticprotected

LengthBezier return spline length using 4 spline point.

Parameters

p1	first spline point
p2	first control point.
p3	second control point.
p4	last spline point.

Returns: length.

Definition at line 564 of file vabstractcubicbezier.cpp.

References GetCubicBezierPoints(), and VAbstractCurve::PathLength().

Referenced by VCubicBezier::GetLength(), VSpline::GetLength(), and LengthT().

◆ LengthT()

qreal VAbstractCubicBezier::LengthT ( qreal t ) const

Definition at line 570 of file vabstractcubicbezier.cpp.

References GetControlPoint1(), GetControlPoint2(), GetP1(), GetP4(), and LengthBezier().

Referenced by GetParmT().

◆ NameForHistory()

QString VAbstractCubicBezier::NameForHistory ( const QString & toolName ) const

virtual

Implements VAbstractCurve.

Definition at line 159 of file vabstractcubicbezier.cpp.

References VAbstractCurve::GetDuplicate(), GetP1(), GetP4(), and VGObject::name().

◆ operator=()

VAbstractCubicBezier & VAbstractCubicBezier::operator= ( const VAbstractCubicBezier & curve )

Definition at line 76 of file vabstractcubicbezier.cpp.

Referenced by VCubicBezier::operator=(), and VSpline::operator=().

◆ PointBezier_r()

void VAbstractCubicBezier::PointBezier_r	(	qreal	x1,
		qreal	y1,
		qreal	x2,
		qreal	y2,
		qreal	x3,
		qreal	y3,
		qreal	x4,
		qreal	y4,
		qint16	level,
		QVector< qreal > &	px,
		QVector< qreal > &	py
	)

staticprotected

PointBezier_r find spline point using four point of spline.

Parameters

x1	х coordinate first point.
y1	у coordinate first point.
x2	х coordinate first control point.
y2	у coordinate first control point.
x3	х coordinate second control point.
y3	у coordinate second control point.
x4	х coordinate last point.
y4	у coordinate last point.
level	level of recursion. In the begin 0.
px	list х coordinat spline points.
py	list у coordinat spline points.

Definition at line 238 of file vabstractcubicbezier.cpp.

References CalcSqDistance(), and M_2PI.

Referenced by GetCubicBezierPoints().

The documentation for this class was generated from the following files:

src/libs/vgeometry/vabstractcubicbezier.h
src/libs/vgeometry/vabstractcubicbezier.cpp

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ VAbstractCubicBezier() [1/2]

◆ VAbstractCubicBezier() [2/2]

◆ ~VAbstractCubicBezier()

Member Function Documentation

◆ CalcSqDistance()

◆ CreateName()

◆ CutSpline()

◆ GetControlPoint1()

◆ GetControlPoint2()

◆ GetCubicBezierPoints()

◆ GetP1()

◆ GetP2()

◆ GetP3()

◆ GetP4()

◆ GetParmT()

◆ LengthBezier()

◆ LengthT()

◆ NameForHistory()

◆ operator=()

◆ PointBezier_r()