BezierEase Struct Reference

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 ()
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.

Referenced by copy().

Here is the caller graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function:

_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().

Here is the caller graph for this function:

almostZero()

static bool BezierEase::almostZero ( qreal value )

inlinestatic

Definition at line 808 of file qeasingcurve.cpp.

Referenced by findTForX().

Here is the caller graph for this function:

copy()

QEasingCurveFunction * BezierEase::copy ( ) const

inlineoverridevirtual

Reimplemented from QEasingCurveFunction.

Reimplemented in TCBEase.

Definition at line 500 of file qeasingcurve.cpp.

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

Here is the call graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function:

evaluateDerivateForX()

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

inlinestatic

Definition at line 600 of file qeasingcurve.cpp.

References p1, and p2.

Referenced by newtonIteration().

Here is the caller graph for this function:

evaluateForX()

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

inlinestatic

Definition at line 582 of file qeasingcurve.cpp.

References p1, and p2.

Referenced by newtonIteration().

Here is the caller graph for this function:

evaluateSegmentForY()

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

inlinestatic

Definition at line 564 of file qeasingcurve.cpp.

References p1, and p2.

Referenced by value().

Here is the caller graph for this function:

findTForX()

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

inlinestatic

Definition at line 815 of file qeasingcurve.cpp.

References almostZero(), p1, p2, and singleRealSolutionForCubic().

Referenced by value().

Here is the call graph for this function:

Here is the caller graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function:

inRange()

static bool BezierEase::inRange ( qreal f )

inlinestatic

Definition at line 711 of file qeasingcurve.cpp.

Referenced by singleRealSolutionForCubic().

Here is the caller graph for this function:

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().

Here is the call graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function:

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().

Here is the call graph for this function:

Here is the caller graph for this function:

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 (1c6bf3e09ea9722717caedcfcceaaf3d607615cf)