MythTV: Transition Class Reference

MythTV master

Base class of an animated transition that can be accelerated & reversed. More...

#include <mythfrontend/gallerytransitions.h>

Inheritance diagram for Transition:

Collaboration diagram for Transition:

Signals
void	finished ()

Public Member Functions
	Transition (const QString &name)

	~Transition () override=default

virtual void	Start (Slide &from, Slide &to, bool forwards, float speed=1.0)
	Start base transition. More...

virtual void	SetSpeed (float)

virtual void	Pulse ()=0

virtual void	Initialise ()

virtual void	Finalise ()

Protected Slots
virtual void	Finished ()
	Transition has completed. More...

Protected Attributes
std::chrono::milliseconds	m_duration {1s}
	Seconds transition will last. More...

Slide *	m_old {nullptr}
	The image currently displayed, which will be replaced (whatever the transition direction) More...

Slide *	m_new {nullptr}
	The new image that will replace the current one (whatever the transition direction) More...

Slide *	m_prev {nullptr}
	The image occurring earlier in the slideshow sequence. More...

Slide *	m_next {nullptr}
	The image occurring later in the slideshow sequence. More...

Detailed Description

Base class of an animated transition that can be accelerated & reversed.

Definition at line 28 of file gallerytransitions.h.

Constructor & Destructor Documentation

◆ Transition()

Transition::Transition ( const QString & name )

explicit

Definition at line 12 of file gallerytransitions.cpp.

◆ ~Transition()

Transition::~Transition ( )

overridedefault

Member Function Documentation

◆ Start()

void Transition::Start	(	Slide &	from,
		Slide &	to,
		bool	forwards,
		float	speed = `1.0`
	)

virtual

Start base transition.

Parameters

from	Image currently displayed
to	Image to be displayed
forwards	Direction
speed	Unused

Reimplemented in TransitionRandom, GroupTransition, and TransitionNone.

Definition at line 81 of file gallerytransitions.cpp.

Referenced by GallerySlideView::SlideAvailable(), TransitionNone::Start(), GroupTransition::Start(), and TransitionRandom::Start().

◆ SetSpeed()

virtual void Transition::SetSpeed ( float )

inlinevirtual

Reimplemented in TransitionRandom, and GroupTransition.

Definition at line 36 of file gallerytransitions.h.

Referenced by TransitionRandom::SetSpeed(), and GallerySlideView::SlideAvailable().

◆ Pulse()

virtual void Transition::Pulse ( )

pure virtual

Implemented in TransitionRandom, GroupTransition, and TransitionNone.

Referenced by GallerySlideView::Pulse(), and TransitionRandom::Pulse().

◆ Initialise()

virtual void Transition::Initialise ( )

inlinevirtual

Reimplemented in GroupTransition, TransitionRandom, TransitionSpin, TransitionZoom, TransitionSlide, TransitionTwist, and TransitionBlend.

Definition at line 38 of file gallerytransitions.h.

Referenced by TransitionRandom::Initialise(), and Start().

◆ Finalise()

virtual void Transition::Finalise ( )

inlinevirtual

Reimplemented in GroupTransition, TransitionRandom, TransitionSpin, TransitionZoom, TransitionSlide, TransitionTwist, and TransitionBlend.

Definition at line 39 of file gallerytransitions.h.

Referenced by TransitionRandom::Finalise(), and Finished().

◆ Finished

void Transition::Finished ( )

protectedvirtualslot

Transition has completed.

Definition at line 107 of file gallerytransitions.cpp.

Referenced by GroupTransition::GroupTransition(), and TransitionNone::Start().

◆ finished

void Transition::finished ( )

signal

Referenced by Finished(), TransitionRandom::Finished(), GallerySlideView::GallerySlideView(), and TransitionRandom::Start().

Member Data Documentation

◆ m_duration

std::chrono::milliseconds Transition::m_duration {1s}

protected

Seconds transition will last.

Definition at line 49 of file gallerytransitions.h.

Referenced by TransitionBlend::Initialise(), TransitionTwist::Initialise(), TransitionSlide::Initialise(), TransitionZoom::Initialise(), and TransitionSpin::Initialise().

◆ m_old

Slide* Transition::m_old {nullptr}

protected

The image currently displayed, which will be replaced (whatever the transition direction)

Definition at line 52 of file gallerytransitions.h.

Referenced by TransitionBlend::Finalise(), TransitionTwist::Finalise(), TransitionSlide::Finalise(), TransitionZoom::Finalise(), TransitionSpin::Finalise(), Finished(), TransitionSlide::Initialise(), TransitionZoom::Initialise(), and Start().

◆ m_new

Slide* Transition::m_new {nullptr}

protected

The new image that will replace the current one (whatever the transition direction)

Definition at line 55 of file gallerytransitions.h.

Referenced by Finished(), TransitionBlend::Initialise(), TransitionTwist::Initialise(), TransitionSlide::Initialise(), TransitionZoom::Initialise(), and Start().

◆ m_prev

Slide* Transition::m_prev {nullptr}

protected

The image occurring earlier in the slideshow sequence.

Definition at line 63 of file gallerytransitions.h.

Referenced by TransitionBlend::Initialise(), TransitionTwist::Initialise(), TransitionSlide::Initialise(), TransitionZoom::Initialise(), TransitionSpin::Initialise(), and Start().

◆ m_next

Slide* Transition::m_next {nullptr}

protected

The image occurring later in the slideshow sequence.

Definition at line 65 of file gallerytransitions.h.

Referenced by TransitionBlend::Initialise(), TransitionTwist::Initialise(), TransitionSlide::Initialise(), TransitionZoom::Initialise(), TransitionSpin::Initialise(), and Start().

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

mythtv/programs/mythfrontend/gallerytransitions.h
mythtv/programs/mythfrontend/gallerytransitions.cpp