MHIBitmap Class Reference

Object for drawing bitmaps. More...

#include <libmythtv/mheg/mhi.h>

Inheritance diagram for MHIBitmap:

Collaboration diagram for MHIBitmap:

Public Member Functions
	MHIBitmap (MHIContext *parent, bool tiled)
	~MHIBitmap () override
	MHIBitmap (const MHIBitmap &)=delete
MHIBitmap &	operator= (const MHIBitmap &)=delete
void	CreateFromPNG (const unsigned char *data, int length) override
	Create bitmap from PNG. More...
void	CreateFromMPEG (const unsigned char *data, int length) override
	Create bitmap from single I frame MPEG. More...
void	CreateFromJPEG (const unsigned char *data, int length) override
	Create bitmap from JPEG. More...
void	Draw (int x, int y, QRect rect, bool tiled, bool bUnder) override
	Draw the completed drawing onto the display. More...
void	ScaleImage (int newWidth, int newHeight) override
	Scale the bitmap. Only used for image derived from MPEG I-frames. More...
QSize	GetSize (void) override
bool	IsOpaque (void) override
Public Member Functions inherited from MHBitmapDisplay
virtual	~MHBitmapDisplay ()=default
virtual void	Draw (int x, int y, QRect rect, bool tiled, bool bUnder)=0
virtual void	CreateFromPNG (const unsigned char *data, int length)=0
virtual void	CreateFromMPEG (const unsigned char *data, int length)=0
virtual void	CreateFromJPEG (const unsigned char *data, int length)=0
virtual void	ScaleImage (int newWidth, int newHeight)=0
virtual QSize	GetSize ()=0
virtual bool	IsOpaque ()=0

Public Attributes
MHIContext *	m_parent {nullptr}
bool	m_tiled
QImage	m_image
bool	m_opaque {false}
MythAVCopy *	m_copyCtx {nullptr}

Detailed Description

Object for drawing bitmaps.

Definition at line 267 of file mhi.h.

Constructor & Destructor Documentation

MHIBitmap() [1/2]

MHIBitmap::MHIBitmap	(	MHIContext *	parent,
		bool	tiled
	)

Definition at line 1791 of file mhi.cpp.

Referenced by CreateFromMPEG().

~MHIBitmap()

MHIBitmap::~MHIBitmap ( )

override

Definition at line 1797 of file mhi.cpp.

MHIBitmap() [2/2]

MHIBitmap::MHIBitmap ( const MHIBitmap &  )

delete

Member Function Documentation

CreateFromJPEG()

void MHIBitmap::CreateFromJPEG ( const unsigned char *  data, int  length  )

overridevirtual

Create bitmap from JPEG.

Implements MHBitmapDisplay.

Definition at line 1846 of file mhi.cpp.

CreateFromMPEG()

void MHIBitmap::CreateFromMPEG ( const unsigned char *  data, int  length  )

overridevirtual

Create bitmap from single I frame MPEG.

Implements MHBitmapDisplay.

Definition at line 1865 of file mhi.cpp.

CreateFromPNG()

void MHIBitmap::CreateFromPNG ( const unsigned char *  data, int  length  )

overridevirtual

Create bitmap from PNG.

Implements MHBitmapDisplay.

Definition at line 1830 of file mhi.cpp.

Draw()

void MHIBitmap::Draw ( int  x, int  y, QRect  rect, bool  tiled, bool  bUnder  )

overridevirtual

Draw the completed drawing onto the display.

Parameters

x	Horizontal position of the image relative to the screen.
y	Vertical position of the image relative to the screen.
rect	Bounding box for the image relative to the screen.
tiled	Tile the drawing to fit the parent window.
bUnder	Put the drawing at the behind any other widgets.

Implements MHBitmapDisplay.

Definition at line 1802 of file mhi.cpp.

GetSize()

QSize MHIBitmap::GetSize ( void  )

inlineoverridevirtual

Implements MHBitmapDisplay.

Definition at line 301 of file mhi.h.

IsOpaque()

bool MHIBitmap::IsOpaque ( void  )

inlineoverridevirtual

Implements MHBitmapDisplay.

Definition at line 302 of file mhi.h.

operator=()

MHIBitmap & MHIBitmap::operator= ( const MHIBitmap &  )

delete

ScaleImage()

void MHIBitmap::ScaleImage ( int  newWidth, int  newHeight  )

overridevirtual

Scale the bitmap. Only used for image derived from MPEG I-frames.

Implements MHBitmapDisplay.

Definition at line 1968 of file mhi.cpp.

Member Data Documentation

m_copyCtx

MythAVCopy* MHIBitmap::m_copyCtx {nullptr}

Definition at line 309 of file mhi.h.

Referenced by CreateFromMPEG(), and ~MHIBitmap().

m_image

QImage MHIBitmap::m_image

Definition at line 307 of file mhi.h.

Referenced by CreateFromJPEG(), CreateFromMPEG(), CreateFromPNG(), Draw(), GetSize(), IsOpaque(), and ScaleImage().

m_opaque

bool MHIBitmap::m_opaque {false}

Definition at line 308 of file mhi.h.

Referenced by CreateFromJPEG(), CreateFromMPEG(), CreateFromPNG(), and IsOpaque().

m_parent

MHIContext* MHIBitmap::m_parent {nullptr}

Definition at line 305 of file mhi.h.

Referenced by Draw().

m_tiled

bool MHIBitmap::m_tiled

Definition at line 306 of file mhi.h.

---

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

• mythtv/libs/libmythtv/mheg/mhi.h
• mythtv/libs/libmythtv/mheg/mhi.cpp