qdeclarativeanimation.cpp File Reference

#include "private/qdeclarativeanimation_p.h"
#include "private/qdeclarativeanimation_p_p.h"
#include "private/qdeclarativebehavior_p.h"
#include "private/qdeclarativestateoperations_p.h"
#include "private/qdeclarativecontext_p.h"
#include <qdeclarativepropertyvaluesource.h>
#include <qdeclarative.h>
#include <qdeclarativeinfo.h>
#include <qdeclarativeexpression.h>
#include <qdeclarativestringconverters_p.h>
#include <qdeclarativeglobal_p.h>
#include <qdeclarativemetatype_p.h>
#include <qdeclarativevaluetype_p.h>
#include <qdeclarativeproperty_p.h>
#include <qdeclarativeengine_p.h>
#include <qvariant.h>
#include <qcolor.h>
#include <qfile.h>
#include <QParallelAnimationGroup>
#include <QSequentialAnimationGroup>
#include <QtCore/qset.h>
#include <QtCore/qrect.h>
#include <QtCore/qpoint.h>
#include <QtCore/qsize.h>
#include <QtCore/qmath.h>
#include <private/qvariantanimation_p.h>

Go to the source code of this file.

Functions
QVariant	_q_interpolateClockwiseRotation (qreal &f, qreal &t, qreal progress)
QVariant	_q_interpolateCounterclockwiseRotation (qreal &f, qreal &t, qreal progress)
QVariant	_q_interpolateShortestRotation (qreal &f, qreal &t, qreal progress)

Function Documentation

_q_interpolateClockwiseRotation()

QVariant _q_interpolateClockwiseRotation	(	qreal &	f,
		qreal &	t,
		qreal	progress
	)

Definition at line 1458 of file qdeclarativeanimation.cpp.

Referenced by QDeclarativeRotationAnimation::setDirection().

{
    qreal newt = t;
    qreal diff = t-f;
    while(diff < 0.0){
        newt += 360.0;
        diff += 360.0;
    }
    return QVariant(f + (newt - f) * progress);
}

_q_interpolateCounterclockwiseRotation()

QVariant _q_interpolateCounterclockwiseRotation	(	qreal &	f,
		qreal &	t,
		qreal	progress
	)

Definition at line 1469 of file qdeclarativeanimation.cpp.

Referenced by QDeclarativeRotationAnimation::setDirection().

{
    qreal newt = t;
    qreal diff = t-f;
    while(diff > 0.0){
        newt -= 360.0;
        diff -= 360.0;
    }
    return QVariant(f + (newt - f) * progress);
}

_q_interpolateShortestRotation()

QVariant _q_interpolateShortestRotation	(	qreal &	f,
		qreal &	t,
		qreal	progress
	)

Definition at line 1443 of file qdeclarativeanimation.cpp.

Referenced by QDeclarativeRotationAnimation::setDirection().

{
    qreal newt = t;
    qreal diff = t-f;
    while(diff > 180.0){
        newt -= 360.0;
        diff -= 360.0;
    }
    while(diff < -180.0){
        newt += 360.0;
        diff += 360.0;
    }
    return QVariant(f + (newt - f) * progress);
}