#include <libmythui/mythimage.h>

Inheritance diagram for MythImage:

Collaboration diagram for MythImage:

Public Member Functions
	MythImage (MythPainter parent, const char name="MythImage")
	Creates a reference counted image, call DecrRef() to delete. More...

MythPainter *	GetParent (void)

void	SetParent (MythPainter *parent)

int	IncrRef (void) override
	Increments reference count. More...

int	DecrRef (void) override
	Decrements reference count and deletes on 0. More...

virtual void	SetChanged (bool change=true)

bool	IsChanged () const

bool	IsGradient () const

bool	IsReflected () const

bool	IsOriented () const

void	Assign (const QImage &img)

void	Assign (const QPixmap &pix)

bool	Load (MythImageReader *reader)

bool	Load (const QString &filename)

void	Orientation (int orientation)
	Changes the orientation angle of the image according to the exif rotation values. More...

void	Resize (QSize newSize, bool preserveAspect=false)

void	Reflect (ReflectAxis axis, int shear, int scale, int length, int spacing=0)

void	ToGreyscale ()

int64_t	GetSize (void)

void	SetID (unsigned int id)

unsigned int	GetID (void) const

void	SetFileName (QString fname)

QString	GetFileName (void) const

void	setIsReflected (bool reflected)

void	setIsOriented (bool oriented)

void	SetIsInCache (bool bCached)

uint	GetCacheSize (void) const

Public Member Functions inherited from ReferenceCounter
	ReferenceCounter (const QString &debugName, bool logDebug=true)
	Creates reference counter with an initial value of 1. More...

Static Public Member Functions
static QImage	ApplyExifOrientation (QImage &image, int orientation)

static MythImage *	Gradient (MythPainter *painter, QSize size, const QColor &begin, const QColor &end, uint alpha, FillDirection direction=FillDirection::TopToBottom)
	Create a gradient image. More...

Static Public Member Functions inherited from ReferenceCounter
static void	PrintDebug (void)
	Print out any leaks if that level of debugging is enabled. More...

Protected Member Functions
	~MythImage () override

Protected Member Functions inherited from ReferenceCounter
virtual	~ReferenceCounter (void)
	Called on destruction, will warn if object deleted with references in place. More...

Static Protected Member Functions
static void	MakeGradient (QImage &image, const QColor &begin, const QColor &end, int alpha, BoundaryWanted drawBoundary=BoundaryWanted::Yes, FillDirection direction=FillDirection::TopToBottom)

Protected Attributes
bool	m_changed {false}

MythPainter *	m_parent {nullptr}

bool	m_isGradient {false}

QColor	m_gradBegin {0x00, 0x00, 0x00}

QColor	m_gradEnd {0xFF, 0xFF, 0xFF}

int	m_gradAlpha {255}

FillDirection	m_gradDirection {FillDirection::TopToBottom}

bool	m_isOriented {false}

bool	m_isReflected {false}

unsigned int	m_imageId {0}

QString	m_fileName

bool	m_cached {false}

Protected Attributes inherited from ReferenceCounter
bool	m_logDebug
	This is used to suppress creating LoggingItem classes for LoggingItem reference count changes. More...

QAtomicInt	m_referenceCount {1}

Static Protected Attributes
static MythUIHelper *	s_ui = nullptr

Detailed Description

Definition at line 36 of file mythimage.h.

Constructor & Destructor Documentation

◆ MythImage()

MythImage::MythImage	(	MythPainter *	parent,
		const char *	name = `"MythImage"`
	)

explicit

Creates a reference counted image, call DecrRef() to delete.

Definition at line 25 of file mythimage.cpp.

◆ ~MythImage()

MythImage::~MythImage ( )

overrideprotected

Definition at line 38 of file mythimage.cpp.

Member Function Documentation

◆ ApplyExifOrientation()

QImage MythImage::ApplyExifOrientation	(	QImage &	image,
		int	orientation
	)

static

Definition at line 97 of file mythimage.cpp.

Referenced by ThumbThread< ImageDbSg >::CreateThumbnail(), and Orientation().

◆ GetParent()

MythPainter* MythImage::GetParent ( void )

inline

Definition at line 44 of file mythimage.h.

Referenced by MythPainter::CheckFormatImage().

◆ SetParent()

void MythImage::SetParent ( MythPainter * parent )

inline

Definition at line 45 of file mythimage.h.

Referenced by MythPainter::CheckFormatImage().

◆ IncrRef()

int MythImage::IncrRef ( void )

overridevirtual

Increments reference count.

Returns: last reference count

Reimplemented from ReferenceCounter.

Definition at line 44 of file mythimage.cpp.

Referenced by MythUIThemeCache::CacheImage(), MythUIImage::DrawSelf(), MythBrowser::GetDefaultFavIcon(), MythUIButtonListItem::GetImage(), MythPainter::GetImageFromRect(), MythPainter::GetImageFromString(), MythPainter::GetImageFromTextLayout(), ImageLoader::LoadImage(), MythUIButtonListItem::SetImage(), MythUIImage::SetImage(), SetIsInCache(), and ImageProperties::SetMaskImage().

◆ DecrRef()

int MythImage::DecrRef ( void )

overridevirtual

Decrements reference count and deletes on 0.

Returns: last reference count, 0 if deleted

Reimplemented from ReferenceCounter.

Definition at line 52 of file mythimage.cpp.

Referenced by SubtitleScreen::AddScaledImage(), MythUIImage::customEvent(), MythBDOverlayScreen::DisplayBDOverlay(), SubtitleScreen::DisplayScaledAVSubtitles(), MythPainter::DrawEllipse(), MythPainter::DrawRect(), MythPainter::DrawRoundRect(), MythUIImage::DrawSelf(), MythPainter::DrawText(), MythPainter::DrawTextLayout(), ZMEvents::eventVisible(), MythPainter::ExpireImages(), ThumbFinder::getFrameImage(), MythUIButtonListItem::HasImage(), MythNotificationScreen::Init(), MythUIImage::Load(), MythUIThemeCache::LoadCacheImage(), ImageLoader::LoadImage(), TeletextScreen::OptimiseDisplayedArea(), SubtitleScreen::RenderAssTrack(), MythUIVideo::Reset(), MythUIButtonListItem::SetImage(), SetIsInCache(), ImageProperties::SetMaskImage(), WebPage::slotIconChanged(), Player::updateFrame(), MHIContext::UpdateOSD(), ImageProperties::~ImageProperties(), MythBrowser::~MythBrowser(), MythUIButtonListItem::~MythUIButtonListItem(), MythUIVideo::~MythUIVideo(), and MythUIWebBrowser::~MythUIWebBrowser().

◆ SetChanged()

virtual void MythImage::SetChanged ( bool change = true )

inlinevirtual

Reimplemented in MythQtImage.

Definition at line 50 of file mythimage.h.

Referenced by Assign(), ZMEvents::eventVisible(), MythD3D9Painter::GetImageFromCache(), MythPainterVulkan::GetTextureFromCache(), MythOpenGLPainter::GetTextureFromCache(), ImageLoader::LoadImage(), Resize(), MythQtImage::SetChanged(), and MythUIWebBrowser::UpdateBuffer().

◆ IsChanged()

bool MythImage::IsChanged ( ) const

inline

Definition at line 51 of file mythimage.h.

Referenced by MythD3D9Painter::GetImageFromCache(), MythPainterVulkan::GetTextureFromCache(), and MythOpenGLPainter::GetTextureFromCache().

◆ IsGradient()

bool MythImage::IsGradient ( ) const

inline

Definition at line 53 of file mythimage.h.

◆ IsReflected()

bool MythImage::IsReflected ( ) const

inline

Definition at line 54 of file mythimage.h.

Referenced by MythUIImage::SetImage().

◆ IsOriented()

bool MythImage::IsOriented ( ) const

inline

Definition at line 55 of file mythimage.h.

Referenced by MythUIImage::SetImage().

◆ Assign() [1/2]

◆ Assign() [2/2]

void MythImage::Assign ( const QPixmap & pix )

Definition at line 92 of file mythimage.cpp.

◆ Load() [1/2]

bool MythImage::Load ( MythImageReader * reader )

Definition at line 276 of file mythimage.cpp.

Referenced by MythUIThemeCache::LoadCacheImage(), and ImageLoader::LoadImage().

◆ Load() [2/2]

bool MythImage::Load ( const QString & filename )

Definition at line 294 of file mythimage.cpp.

◆ Orientation()

void MythImage::Orientation ( int orientation )

Changes the orientation angle of the image according to the exif rotation values.

The image will be rotated accordingly.

MythImage::Orientation

Parameters

orientation

Definition at line 134 of file mythimage.cpp.

Referenced by ImageLoader::LoadImage(), and MythUIImage::SetImage().

◆ Resize()

void MythImage::Resize	(	QSize	newSize,
		bool	preserveAspect = `false`
	)

Definition at line 143 of file mythimage.cpp.

Referenced by ImageLoader::LoadImage(), and MythUIImage::SetImage().

◆ Reflect()

void MythImage::Reflect	(	ReflectAxis	axis,
		int	shear,
		int	scale,
		int	length,
		int	spacing = `0`
	)

Definition at line 165 of file mythimage.cpp.

Referenced by ImageLoader::LoadImage(), and MythUIImage::SetImage().

◆ ToGreyscale()

void MythImage::ToGreyscale ( )

Definition at line 260 of file mythimage.cpp.

Referenced by ImageLoader::LoadImage(), and MythUIImage::SetImage().

◆ GetSize()

int64_t MythImage::GetSize ( void )

inline

Definition at line 69 of file mythimage.h.

Referenced by MythPainter::ExpireImages(), MythPainter::GetImageFromRect(), MythPainter::GetImageFromString(), and MythPainter::GetImageFromTextLayout().

◆ Gradient()

MythImage * MythImage::Gradient	(	MythPainter *	painter,
		QSize	size,
		const QColor &	begin,
		const QColor &	end,
		uint	alpha,
		FillDirection	direction = `FillDirection::TopToBottom`
	)

static

Create a gradient image.

Parameters

painter	The painter on which the gradient should be draw.
size	The size of the image.
begin	The beginning colour.
end	The ending colour.
alpha	The opacity of the gradient.
direction	Whether the gradient should be left-to-right or top-to-bottom.

Returns: A reference counted image, call DecrRef() to delete.

Definition at line 416 of file mythimage.cpp.

◆ SetID()

void MythImage::SetID ( unsigned int id )

inline

Definition at line 87 of file mythimage.h.

◆ GetID()

unsigned int MythImage::GetID ( void ) const

inline

Definition at line 88 of file mythimage.h.

◆ SetFileName()

void MythImage::SetFileName ( QString fname )

inline

Definition at line 90 of file mythimage.h.

Referenced by MythPainter::GetFormatImage(), MythPainter::GetImageFromRect(), MythPainter::GetImageFromString(), MythPainter::GetImageFromTextLayout(), and Load().

◆ GetFileName()

QString MythImage::GetFileName ( void ) const

inline

Definition at line 91 of file mythimage.h.

Referenced by MythUIImage::SetImage().

◆ setIsReflected()

void MythImage::setIsReflected ( bool reflected )

inline

Definition at line 93 of file mythimage.h.

Referenced by ImageLoader::LoadImage().

◆ setIsOriented()

void MythImage::setIsOriented ( bool oriented )

inline

Definition at line 94 of file mythimage.h.

Referenced by ImageLoader::LoadImage().

◆ SetIsInCache()

void MythImage::SetIsInCache ( bool bCached )

Definition at line 70 of file mythimage.cpp.

Referenced by Assign(), MythUIThemeCache::CacheImage(), and MythUIThemeCache::LoadCacheImage().

◆ GetCacheSize()

uint MythImage::GetCacheSize ( void ) const

inline

Definition at line 98 of file mythimage.h.

◆ MakeGradient()

void MythImage::MakeGradient	(	QImage &	image,
		const QColor &	begin,
		const QColor &	end,
		int	alpha,
		BoundaryWanted	drawBoundary = `BoundaryWanted::Yes`,
		FillDirection	direction = `FillDirection::TopToBottom`
	)

staticprotected

Definition at line 372 of file mythimage.cpp.

Referenced by Gradient(), Reflect(), and Resize().

Member Data Documentation

◆ m_changed

bool MythImage::m_changed {false}

protected

Definition at line 110 of file mythimage.h.

◆ m_parent

MythPainter* MythImage::m_parent {nullptr}

protected

Definition at line 111 of file mythimage.h.

Referenced by MythImage(), and ~MythImage().

◆ m_isGradient

bool MythImage::m_isGradient {false}

protected

Definition at line 113 of file mythimage.h.

Referenced by Gradient(), and Resize().

◆ m_gradBegin

QColor MythImage::m_gradBegin {0x00, 0x00, 0x00}

protected

Definition at line 114 of file mythimage.h.

Referenced by Gradient(), and Resize().

◆ m_gradEnd

QColor MythImage::m_gradEnd {0xFF, 0xFF, 0xFF}

protected

Definition at line 115 of file mythimage.h.

Referenced by Gradient(), and Resize().

◆ m_gradAlpha

int MythImage::m_gradAlpha {255}

protected

Definition at line 116 of file mythimage.h.

Referenced by Gradient(), and Resize().

◆ m_gradDirection

FillDirection MythImage::m_gradDirection {FillDirection::TopToBottom}

protected

Definition at line 117 of file mythimage.h.

Referenced by Gradient(), and Resize().

◆ m_isOriented

bool MythImage::m_isOriented {false}

protected

Definition at line 119 of file mythimage.h.

Referenced by Orientation().

◆ m_isReflected

bool MythImage::m_isReflected {false}

protected

Definition at line 120 of file mythimage.h.

Referenced by Reflect().

◆ m_imageId

unsigned int MythImage::m_imageId {0}

protected

Definition at line 122 of file mythimage.h.

◆ m_fileName

QString MythImage::m_fileName

protected

Definition at line 124 of file mythimage.h.

Referenced by MythImage().

◆ m_cached

bool MythImage::m_cached {false}

protected

Definition at line 126 of file mythimage.h.

Referenced by Assign(), DecrRef(), IncrRef(), and SetIsInCache().

◆ s_ui

MythUIHelper * MythImage::s_ui = nullptr

staticprotected

Definition at line 128 of file mythimage.h.

Referenced by DecrRef(), IncrRef(), and MythImage().

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

mythtv/libs/libmythui/mythimage.h
mythtv/libs/libmythui/mythimage.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ MythImage()

◆ ~MythImage()

Member Function Documentation

◆ ApplyExifOrientation()

◆ GetParent()

◆ SetParent()

◆ IncrRef()

◆ DecrRef()

◆ SetChanged()

◆ IsChanged()

◆ IsGradient()

◆ IsReflected()

◆ IsOriented()

◆ Assign() [1/2]

◆ Assign() [2/2]

◆ Load() [1/2]

◆ Load() [2/2]

◆ Orientation()

◆ Resize()

◆ Reflect()

◆ ToGreyscale()

◆ GetSize()

◆ Gradient()

◆ SetID()

◆ GetID()

◆ SetFileName()

◆ GetFileName()

◆ setIsReflected()

◆ setIsOriented()

◆ SetIsInCache()

◆ GetCacheSize()

◆ MakeGradient()

Member Data Documentation

◆ m_changed

◆ m_parent

◆ m_isGradient

◆ m_gradBegin

◆ m_gradEnd

◆ m_gradAlpha

◆ m_gradDirection

◆ m_isOriented

◆ m_isReflected

◆ m_imageId

◆ m_fileName

◆ m_cached

◆ s_ui