Inheritance diagram for BezierEase:

Collaboration diagram for BezierEase:

Classes
struct	SingleCubicBezier

Public Member Functions
	BezierEase (QEasingCurve::Type type=QEasingCurve::BezierSpline)

void	init ()

QEasingCurveFunction *	copy () const override

void	getBezierSegment (SingleCubicBezier *&singleCubicBezier, qreal x)

qreal	value (qreal x) override

Public Member Functions inherited from QEasingCurveFunction
	QEasingCurveFunction (QEasingCurve::Type type, qreal period=0.3, qreal amplitude=1.0, qreal overshoot=1.70158)

virtual	~QEasingCurveFunction ()

virtual qreal	value (qreal t)

virtual QEasingCurveFunction *	copy () const

bool	operator== (const QEasingCurveFunction &other) const

Static Public Member Functions
static qreal	newtonIteration (const SingleCubicBezier &singleCubicBezier, qreal t, qreal x)

static qreal	evaluateSegmentForY (const SingleCubicBezier &singleCubicBezier, qreal t)

static qreal	evaluateForX (const SingleCubicBezier &singleCubicBezier, qreal t)

static qreal	evaluateDerivateForX (const SingleCubicBezier &singleCubicBezier, qreal t)

static qreal	_cbrt (qreal d)

static float	_fast_cbrt (float x)

static double	_fast_cbrt (double d)

static qreal	_acos (qreal x)

static qreal	_cos (qreal x)

static bool	inRange (qreal f)

static void	cosacos (qreal x, qreal &s1, qreal &s2, qreal &s3)

static qreal	singleRealSolutionForCubic (qreal a, qreal b, qreal c)

static bool	almostZero (qreal value)

static qreal	findTForX (const SingleCubicBezier &singleCubicBezier, qreal x)

Public Attributes
QList< SingleCubicBezier >	_curves

QList< qreal >	_intervals

int	_curveCount

bool	_init

bool	_valid

Public Attributes inherited from QEasingCurveFunction
QEasingCurve::Type	_t

qreal	_p

qreal	_a

qreal	_o

QList< QPointF >	_bezierCurves

TCBPoints	_tcbPoints

Detailed Description

Definition at line 427 of file qeasingcurve.cpp.

Constructor & Destructor Documentation

◆ BezierEase()

BezierEase::BezierEase ( QEasingCurve::Type type = QEasingCurve::BezierSpline )

inline

Definition at line 442 of file qeasingcurve.cpp.

Member Function Documentation

◆ _acos()

static qreal BezierEase::_acos ( qreal x )

inlinestatic

Definition at line 673 of file qeasingcurve.cpp.

◆ _cbrt()

static qreal BezierEase::_cbrt ( qreal d )

inlinestatic

Definition at line 612 of file qeasingcurve.cpp.

References _fast_cbrt(), d, and sign().

Referenced by singleRealSolutionForCubic().

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◆ _cos()

static qreal BezierEase::_cos ( qreal x )

inlinestatic

Definition at line 678 of file qeasingcurve.cpp.

References M_PI.

◆ _fast_cbrt() [1/2]

static double BezierEase::_fast_cbrt ( double d )

inlinestatic

Definition at line 650 of file qeasingcurve.cpp.

References d.

◆ _fast_cbrt() [2/2]

static float BezierEase::_fast_cbrt ( float x )

inlinestatic

Definition at line 635 of file qeasingcurve.cpp.

References i.

Referenced by _cbrt().

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◆ almostZero()

static bool BezierEase::almostZero ( qreal value )

inlinestatic

Definition at line 808 of file qeasingcurve.cpp.

References e.

Referenced by findTForX().

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◆ copy()

QEasingCurveFunction * BezierEase::copy ( ) const

inlineoverridevirtual

Reimplemented from QEasingCurveFunction.

Reimplemented in TCBEase.

Definition at line 500 of file qeasingcurve.cpp.

References QEasingCurveFunction::_a, QEasingCurveFunction::_bezierCurves, QEasingCurveFunction::_o, QEasingCurveFunction::_p, QEasingCurveFunction::_t, and QEasingCurveFunction::_tcbPoints.

◆ cosacos()

static void BezierEase::cosacos	(	qreal	x,
		qreal &	s1,
		qreal &	s2,
		qreal &	s3
	)

inlinestatic

Definition at line 716 of file qeasingcurve.cpp.

References qSqrt(), s2, and s3.

Referenced by singleRealSolutionForCubic().

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◆ evaluateDerivateForX()

static qreal BezierEase::evaluateDerivateForX	(	const SingleCubicBezier &	singleCubicBezier,
		qreal	t
	)

inlinestatic

Definition at line 600 of file qeasingcurve.cpp.

References BezierEase::SingleCubicBezier::p0x, p1, BezierEase::SingleCubicBezier::p1x, p2, BezierEase::SingleCubicBezier::p2x, and BezierEase::SingleCubicBezier::p3x.

Referenced by newtonIteration().

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◆ evaluateForX()

static qreal BezierEase::evaluateForX	(	const SingleCubicBezier &	singleCubicBezier,
		qreal	t
	)

inlinestatic

Definition at line 582 of file qeasingcurve.cpp.

References BezierEase::SingleCubicBezier::p0x, p1, BezierEase::SingleCubicBezier::p1x, p2, BezierEase::SingleCubicBezier::p2x, and BezierEase::SingleCubicBezier::p3x.

Referenced by newtonIteration().

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◆ evaluateSegmentForY()

static qreal BezierEase::evaluateSegmentForY	(	const SingleCubicBezier &	singleCubicBezier,
		qreal	t
	)

inlinestatic

Definition at line 564 of file qeasingcurve.cpp.

References BezierEase::SingleCubicBezier::p0y, p1, BezierEase::SingleCubicBezier::p1y, p2, BezierEase::SingleCubicBezier::p2y, and BezierEase::SingleCubicBezier::p3y.

Referenced by value().

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◆ findTForX()

static qreal BezierEase::findTForX	(	const SingleCubicBezier &	singleCubicBezier,
		qreal	x
	)

inlinestatic

Definition at line 815 of file qeasingcurve.cpp.

References almostZero(), BezierEase::SingleCubicBezier::p0x, p1, BezierEase::SingleCubicBezier::p1x, p2, BezierEase::SingleCubicBezier::p2x, BezierEase::SingleCubicBezier::p3x, and singleRealSolutionForCubic().

Referenced by value().

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◆ getBezierSegment()

void BezierEase::getBezierSegment	(	SingleCubicBezier *&	singleCubicBezier,
		qreal	x
	)

inline

Definition at line 512 of file qeasingcurve.cpp.

References _curveCount, _curves, _intervals, and QList< T >::data().

Referenced by value().

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◆ init()

void BezierEase::init ( )

inline

Definition at line 446 of file qeasingcurve.cpp.

References QEasingCurveFunction::_bezierCurves, _curveCount, _curves, _init, _intervals, _valid, QList< T >::at(), QList< T >::constLast(), i, QList< T >::size(), QPointF::x(), and QPointF::y().

Referenced by value().

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◆ inRange()

static bool BezierEase::inRange ( qreal f )

inlinestatic

Definition at line 711 of file qeasingcurve.cpp.

Referenced by singleRealSolutionForCubic().

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◆ newtonIteration()

static qreal BezierEase::newtonIteration	(	const SingleCubicBezier &	singleCubicBezier,
		qreal	t,
		qreal	x
	)

inlinestatic

Definition at line 527 of file qeasingcurve.cpp.

References evaluateDerivateForX(), and evaluateForX().

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◆ singleRealSolutionForCubic()

static qreal BezierEase::singleRealSolutionForCubic	(	qreal	a,
		qreal	b,
		qreal	c
	)

inlinestatic

Definition at line 738 of file qeasingcurve.cpp.

References _cbrt(), cosacos(), inRange(), qSqrt(), s1, s2, s3, t1, t2, and t3.

Referenced by findTForX().

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◆ value()

qreal BezierEase::value ( qreal x )

inlineoverridevirtual

Reimplemented from QEasingCurveFunction.

Reimplemented in TCBEase.

Definition at line 536 of file qeasingcurve.cpp.

References QEasingCurveFunction::_bezierCurves, _init, _valid, evaluateSegmentForY(), findTForX(), getBezierSegment(), init(), QList< T >::isEmpty(), Q_ASSERT, qWarning, and QList< T >::size().

Referenced by TCBEase::value().

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Member Data Documentation

◆ _curveCount

int BezierEase::_curveCount

Definition at line 438 of file qeasingcurve.cpp.

Referenced by getBezierSegment(), and init().

◆ _curves

QList<SingleCubicBezier> BezierEase::_curves

Definition at line 436 of file qeasingcurve.cpp.

Referenced by getBezierSegment(), and init().

◆ _init

bool BezierEase::_init

Definition at line 439 of file qeasingcurve.cpp.

Referenced by init(), and value().

◆ _intervals

QList<qreal> BezierEase::_intervals

Definition at line 437 of file qeasingcurve.cpp.

Referenced by getBezierSegment(), and init().

◆ _valid

bool BezierEase::_valid

Definition at line 440 of file qeasingcurve.cpp.

Referenced by init(), and value().

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

qtbase/src/corelib/tools/qeasingcurve.cpp

Classes

Public Member Functions

Static Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ BezierEase()

Member Function Documentation

◆ _acos()

◆ _cbrt()

◆ _cos()

◆ _fast_cbrt() [1/2]

◆ _fast_cbrt() [2/2]

◆ almostZero()

◆ copy()

◆ cosacos()

◆ evaluateDerivateForX()

◆ evaluateForX()

◆ evaluateSegmentForY()

◆ findTForX()

◆ getBezierSegment()

◆ init()

◆ inRange()

◆ newtonIteration()

◆ singleRealSolutionForCubic()

◆ value()

Member Data Documentation

◆ _curveCount

◆ _curves

◆ _init

◆ _intervals

◆ _valid