Represents a single cubic polynomial segment of a spline curve. More...

#include <CSplineSegment.h>

Inheritance diagram for i2d::CSplineSegment:

Public Member Functions
virtual i2d::CVector2d	GetPointInSegment (double position) const
	Get point.

virtual i2d::CVector2d	GetDerivationInSegment (double position) const
	Get derivation.

virtual i2d::CVector2d	GetDerivationBegin () const
	Get derivation in begin point.

virtual i2d::CVector2d	GetDerivationEnd () const
	Get derivation in end point.

virtual i2d::CVector2d	GetPointBegin () const
	Get begin point.

virtual i2d::CVector2d	GetPointEnd () const
	Get end point.

virtual i2d::CVector2d	GetBezierPointBegin () const
	Get first Bezier's control point.

virtual i2d::CVector2d	GetBezierPointEnd () const
	Get second Bezier's control point.

virtual bool	IsCloserThan (const i2d::CVector2d position, double distance) const
	Check, if segment is closer than specifier distance.

virtual void	GetHalfSegmentFirst (CSplineSegment &result) const
	Get a first half segment.

virtual void	GetHalfSegmentSecond (CSplineSegment &result) const
	Get a second half segment.

const i2d::CVector2d &	A () const
	Get cubic coefficient A (coefficient of t^3 term).

void	A (const i2d::CVector2d &value)
	Set cubic coefficient A (coefficient of t^3 term).

const i2d::CVector2d &	B () const
	Get quadratic coefficient B (coefficient of t^2 term).

void	B (const i2d::CVector2d &value)
	Set quadratic coefficient B (coefficient of t^2 term).

const i2d::CVector2d &	C () const
	Get linear coefficient C (coefficient of t term).

void	C (const i2d::CVector2d &value)
	Set linear coefficient C (coefficient of t term).

const i2d::CVector2d &	D () const
	Get constant coefficient D (constant term).

void	D (const i2d::CVector2d &value)
	Set constant coefficient D (constant term).

virtual int	GetSupportedOperations () const override
	Get set of flags for supported operations.

virtual bool	CopyFrom (const IChangeable &object, CompatibilityMode mode=CM_WITHOUT_REFS) override

virtual istd::TUniqueInterfacePtr< istd::IChangeable >	CloneMe (CompatibilityMode mode=CM_WITHOUT_REFS) const override
	Make a copy of this object.

Public Member Functions inherited from istd::IChangeable
virtual bool	CopyFrom (const IChangeable &object, CompatibilityMode mode=CM_WITHOUT_REFS)
	Copy this object from another one.

virtual bool	IsEqual (const IChangeable &object) const
	Compare this object with another object.

virtual bool	ResetData (CompatibilityMode mode=CM_WITHOUT_REFS)
	Reset data to its default state.

virtual void	BeginChanges (const ChangeSet &changeSet)
	Starts the change transaction.

virtual void	EndChanges (const ChangeSet &changeSet)
	Ends the change transaction.

virtual void	BeginChangeGroup (const ChangeSet &changeSet)
	Starts group of changes.

virtual void	EndChangeGroup (const ChangeSet &changeSet)
	Ends group of changes.

Public Member Functions inherited from istd::IPolymorphic
virtual	~IPolymorphic ()

Additional Inherited Members
Public Types inherited from istd::IChangeable
enum	ChangeFlags { CF_ACF_INTERNAL = 0 , CF_ALL_DATA , CF_ANY , CF_DESTROYING , CF_DELEGATED , CF_NO_UNDO }
	Data model change notification flags. More...

enum	SupportedOperations { SO_NONE = 0 , SO_OBSERVE = 1 << 0 , SO_COPY = 1 << 1 , SO_CLONE = 1 << 2 , SO_COMPARE = 1 << 3 , SO_RESET = 1 << 4 }
	Flags for supported operations. More...

enum	CompatibilityMode { CM_STRICT , CM_WITHOUT_REFS , CM_WITH_REFS , CM_CONVERT }
	Control how relationship betweeen objects are interpreted. More...

typedef QMultiMap< QByteArray, QVariant >	ChangeInfoMap

Static Public Member Functions inherited from istd::IChangeable
static const ChangeSet &	GetNoChanges ()
	Get empty set of changes.

static const ChangeSet &	GetAnyChange ()
	Get anonymous change set.

static const ChangeSet &	GetAllChanges ()
	Get anonymous change set.

static const ChangeSet &	GetDelegatedChanges ()
	Get delegated change set.

Protected Member Functions inherited from istd::IChangeable
virtual void	OnBeginChanges ()
	Callback function for begin change event.

virtual void	OnEndChanges (const ChangeSet &changeSet)
	Callback function for end change event.

Detailed Description

Represents a single cubic polynomial segment of a spline curve.

A spline segment is defined by four coefficient vectors (A, B, C, D) that form a cubic Bezier curve: P(t) = At^3 + Bt^2 + Ct + D, where t is in [0, 1].

Definition at line 20 of file CSplineSegment.h.

Member Function Documentation

◆ A() [1/2]

const i2d::CVector2d & i2d::CSplineSegment::A ( ) const

inline

Get cubic coefficient A (coefficient of t^3 term).

Returns: Coefficient vector A.

Definition at line 202 of file CSplineSegment.h.

◆ A() [2/2]

void i2d::CSplineSegment::A ( const i2d::CVector2d & value )

inline

Set cubic coefficient A (coefficient of t^3 term).

Parameters

value New coefficient vector A.

Definition at line 208 of file CSplineSegment.h.

◆ B() [1/2]

const i2d::CVector2d & i2d::CSplineSegment::B ( ) const

inline

Get quadratic coefficient B (coefficient of t^2 term).

Returns: Coefficient vector B.

Definition at line 214 of file CSplineSegment.h.

◆ B() [2/2]

void i2d::CSplineSegment::B ( const i2d::CVector2d & value )

inline

Set quadratic coefficient B (coefficient of t^2 term).

Parameters

value New coefficient vector B.

Definition at line 220 of file CSplineSegment.h.

◆ C() [1/2]

const i2d::CVector2d & i2d::CSplineSegment::C ( ) const

inline

Get linear coefficient C (coefficient of t term).

Returns: Coefficient vector C.

Definition at line 226 of file CSplineSegment.h.

◆ C() [2/2]

void i2d::CSplineSegment::C ( const i2d::CVector2d & value )

inline

Set linear coefficient C (coefficient of t term).

Parameters

value New coefficient vector C.

Definition at line 232 of file CSplineSegment.h.

◆ CloneMe()

virtual istd::TUniqueInterfacePtr< istd::IChangeable > i2d::CSplineSegment::CloneMe ( CompatibilityMode mode = CM_WITHOUT_REFS ) const

overridevirtual

Make a copy of this object.

Returns: new instance or NULL, if this operation is not supported.

Reimplemented from istd::IChangeable.

◆ CopyFrom()

virtual bool i2d::CSplineSegment::CopyFrom	(	const IChangeable &	object,
		CompatibilityMode	mode = `CM_WITHOUT_REFS`
	)

overridevirtual

◆ D() [1/2]

const i2d::CVector2d & i2d::CSplineSegment::D ( ) const

inline

Get constant coefficient D (constant term).

Returns: Coefficient vector D.

Definition at line 238 of file CSplineSegment.h.

◆ D() [2/2]

void i2d::CSplineSegment::D ( const i2d::CVector2d & value )

inline

Set constant coefficient D (constant term).

Parameters

value New coefficient vector D.

Definition at line 244 of file CSplineSegment.h.

◆ GetBezierPointBegin()

i2d::CVector2d i2d::CSplineSegment::GetBezierPointBegin ( ) const

inlinevirtual

Get first Bezier's control point.

Definition at line 170 of file CSplineSegment.h.

◆ GetBezierPointEnd()

i2d::CVector2d i2d::CSplineSegment::GetBezierPointEnd ( ) const

inlinevirtual

Get second Bezier's control point.

Definition at line 176 of file CSplineSegment.h.

◆ GetDerivationBegin()

i2d::CVector2d i2d::CSplineSegment::GetDerivationBegin ( ) const

inlinevirtual

Get derivation in begin point.

Definition at line 146 of file CSplineSegment.h.

◆ GetDerivationEnd()

i2d::CVector2d i2d::CSplineSegment::GetDerivationEnd ( ) const

inlinevirtual

Get derivation in end point.

Definition at line 152 of file CSplineSegment.h.

◆ GetDerivationInSegment()

i2d::CVector2d i2d::CSplineSegment::GetDerivationInSegment ( double position ) const

inlinevirtual

Get derivation.

Parameters

position Position in segment. Must be in range [0, 1], where 0 is begin, and 1 is end of segment.

Definition at line 140 of file CSplineSegment.h.

◆ GetHalfSegmentFirst()

void i2d::CSplineSegment::GetHalfSegmentFirst ( CSplineSegment & result ) const

inlinevirtual

Get a first half segment.

Definition at line 182 of file CSplineSegment.h.

◆ GetHalfSegmentSecond()

void i2d::CSplineSegment::GetHalfSegmentSecond ( CSplineSegment & result ) const

inlinevirtual

Get a second half segment.

Definition at line 191 of file CSplineSegment.h.

◆ GetPointBegin()

i2d::CVector2d i2d::CSplineSegment::GetPointBegin ( ) const

inlinevirtual

Get begin point.

Definition at line 158 of file CSplineSegment.h.

◆ GetPointEnd()

i2d::CVector2d i2d::CSplineSegment::GetPointEnd ( ) const

inlinevirtual

Get end point.

Definition at line 164 of file CSplineSegment.h.

◆ GetPointInSegment()

i2d::CVector2d i2d::CSplineSegment::GetPointInSegment ( double position ) const

inlinevirtual

Get point.

Parameters

position Position in segment. Must be in range [0, 1], where 0 is begin, and 1 is end of segment.

Definition at line 134 of file CSplineSegment.h.

◆ GetSupportedOperations()

virtual int i2d::CSplineSegment::GetSupportedOperations ( ) const

overridevirtual

Get set of flags for supported operations.

See also: SupportedOperations

Reimplemented from istd::IChangeable.

◆ IsCloserThan()

virtual bool i2d::CSplineSegment::IsCloserThan	(	const i2d::CVector2d	position,
		double	distance
	)		const

virtual

Check, if segment is closer than specifier distance.

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

Acf/Include/i2d/CSplineSegment.h

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ A() [1/2]

◆ A() [2/2]

◆ B() [1/2]

◆ B() [2/2]

◆ C() [1/2]

◆ C() [2/2]

◆ CloneMe()

◆ CopyFrom()

◆ D() [1/2]

◆ D() [2/2]

◆ GetBezierPointBegin()

◆ GetBezierPointEnd()

◆ GetDerivationBegin()

◆ GetDerivationEnd()

◆ GetDerivationInSegment()

◆ GetHalfSegmentFirst()

◆ GetHalfSegmentSecond()

◆ GetPointBegin()

◆ GetPointEnd()

◆ GetPointInSegment()

◆ GetSupportedOperations()

◆ IsCloserThan()