CL_JPEGDecompressor Class Reference [clanDisplay Image Providers]

JPEG Decompressor. More...

#include <jpeg_decompressor.h>

List of all members.

Classes
struct	SavedMarker
Public Member Functions
Construction
	CL_JPEGDecompressor (CL_IODevice input_source)
	Constructs a JPEGDecompressor.
Operations
void	record_marker (SpecialMarker marker_code, unsigned int length_limit=0xffff)
	Record marker.
void	start (bool raw_data=false)
	Start.
unsigned int	read_scanlines (unsigned char **data, unsigned int lines)
unsigned int	read_raw_data (const unsigned char ***data, unsigned int lines)
void	finish ()
	Finish.
Attributes
enum	SpecialMarker {   marker_rst0 = 0xD0, marker_eoi = 0xD9, marker_app0 = 0xe0, marker_app1 = 0xe1,   marker_app2 = 0xe2, marker_app3 = 0xe3, marker_app4 = 0xe4, marker_app5 = 0xe5,   marker_app6 = 0xe6, marker_app7 = 0xe7, marker_app8 = 0xe8, marker_app9 = 0xe9,   marker_app10 = 0xea, marker_app11 = 0xeb, marker_app12 = 0xec, marker_app13 = 0xed,   marker_app14 = 0xee, marker_com = 0xfe }
int	get_output_width () const
	Get Output width.
int	get_output_height () const
	Get Output height.
int	get_output_components () const
	Get Output components.
std::vector< SavedMarker >	get_saved_markers () const

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Detailed Description

JPEG Decompressor.

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Member Enumeration Documentation

enum CL_JPEGDecompressor::SpecialMarker

Enumerator:

marker_rst0
marker_eoi
marker_app0
marker_app1
marker_app2
marker_app3
marker_app4
marker_app5
marker_app6
marker_app7
marker_app8
marker_app9
marker_app10
marker_app11
marker_app12
marker_app13
marker_app14
marker_com

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Constructor & Destructor Documentation

CL_JPEGDecompressor::CL_JPEGDecompressor

(

CL_IODevice

input_source

)

Constructs a JPEGDecompressor.

Parameters:

input_source

= IODevice

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Member Function Documentation

void CL_JPEGDecompressor::finish

(

)

Finish.

int CL_JPEGDecompressor::get_output_components

(

)

const

Get Output components.

Returns:

output_components

int CL_JPEGDecompressor::get_output_height

(

)

const

Get Output height.

Returns:

output_height

int CL_JPEGDecompressor::get_output_width

(

)

const

Get Output width.

Returns:

output_width

std::vector<SavedMarker> CL_JPEGDecompressor::get_saved_markers

(

)

const

unsigned int CL_JPEGDecompressor::read_raw_data	(	const unsigned char ***	data,
		unsigned int	lines
	)

unsigned int CL_JPEGDecompressor::read_scanlines	(	unsigned char **	data,
		unsigned int	lines
	)

void CL_JPEGDecompressor::record_marker	(	SpecialMarker	marker_code,
		unsigned int	length_limit = 0xffff
	)

Record marker.

Parameters:

	marker_code	= Special Marker
	length_limit	= value

void CL_JPEGDecompressor::start

(

bool

raw_data = false

)

Start.

Parameters:

raw_data

= bool

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

• jpeg_decompressor.h