PGFtypes.h File Reference

#include "PGFplatform.h"

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Classes
struct	IOException
struct	PGFHeader
struct	PGFMagicVersion
struct	PGFPostHeader
struct	PGFPreHeader
struct	PGFRect
struct	PGFVersionNumber
struct	ROIBlockHeader::RBH
union	ROIBlockHeader

Macros
#define	BufferSize   16384
#define	ColorTableLen   256
#define	ColorTableSize   (ColorTableLen*sizeof(RGBQUAD))
#define	DataTSize   sizeof(DataT)
#define	DownsampleThreshold   3
#define	HeaderSize   sizeof(PGFHeader)
#define	InterBlockSize   4
#define	LinBlockSize   8
#define	MagicVersionSize   sizeof(PGFMagicVersion)
#define	MaxBitPlanes   31
#define	MaxBitPlanesLog   5
#define	MaxChannels   8
#define	MaxLevel   30
#define	MaxQuality   MaxBitPlanes
#define	MaxUserDataSize   0x7FFFFFFF
#define	NSubbands   4
#define	PGF32   4
#define	PGFCodecVersion   STRINGIZE(PPCAT(PPCAT(PPCAT(PPCAT(PGFMajorNumber, .), PGFYear), .), PGFWeek))
#define	PGFCodecVersionID   PPCAT(PPCAT(PPCAT(0x0, PGFMajorNumber), PGFYear), PGFWeek)
#define	PGFMagic   "PGF"
#define	PGFMajorNumber   7
#define	PGFROI   8
#define	PGFVersion   (Version2 | PGF32 | Version5 | Version6 | Version7)
#define	PGFWeek   03
#define	PGFYear   19
#define	PPCAT(A, B)   PPCAT_NX(A, B)
#define	PPCAT_NX(A, B)   A ## B
#define	PreHeaderSize   sizeof(PGFPreHeader)
#define	RLblockSizeLen   15
#define	STRINGIZE(A)   STRINGIZE_NX(A)
#define	STRINGIZE_NX(A)   #A
#define	Version2   2
#define	Version5   16
#define	Version6   32
#define	Version7   64

Typedefs
typedef INT32	DataT
typedef void(*	RefreshCB )(void *p)

Enumerations
enum	Orientation { LL = 0, HL = 1, LH = 2, HH = 3 }
enum	ProgressMode { PM_Relative, PM_Absolute }
enum	UserdataPolicy { UP_Skip = 0, UP_CachePrefix = 1, UP_CacheAll = 2 }

Detailed Description

PGF definitions.

Author

C. Stamm

Definition in file PGFtypes.h.

Macro Definition Documentation

#define BufferSize   16384

must be a multiple of WordWidth, BufferSize <= UINT16_MAX

Definition at line 84 of file PGFtypes.h.

#define ColorTableLen   256

size of color lookup table (clut)

Definition at line 66 of file PGFtypes.h.

#define ColorTableSize   (ColorTableLen*sizeof(RGBQUAD))

Definition at line 286 of file PGFtypes.h.

#define DataTSize   sizeof(DataT)

Definition at line 287 of file PGFtypes.h.

#define DownsampleThreshold   3

if quality is larger than this threshold than downsampling is used

Definition at line 65 of file PGFtypes.h.

#define HeaderSize   sizeof(PGFHeader)

Definition at line 285 of file PGFtypes.h.

#define InterBlockSize   4

side length of a coefficient block in a HL or LH subband

Definition at line 87 of file PGFtypes.h.

#define LinBlockSize   8

side length of a coefficient block in a HH or LL subband

Definition at line 86 of file PGFtypes.h.

#define MagicVersionSize   sizeof(PGFMagicVersion)

Definition at line 283 of file PGFtypes.h.

#define MaxBitPlanes   31

maximum number of bit planes of m_value: 32 minus sign bit

Definition at line 89 of file PGFtypes.h.

#define MaxBitPlanesLog   5

number of bits to code the maximum number of bit planes (in 32 or 16 bit mode)

Definition at line 93 of file PGFtypes.h.

#define MaxChannels   8

maximum number of (color) channels

Definition at line 64 of file PGFtypes.h.

#define MaxLevel   30

maximum number of transform levels

Definition at line 62 of file PGFtypes.h.

#define MaxQuality   MaxBitPlanes

maximum quality

Definition at line 94 of file PGFtypes.h.

#define MaxUserDataSize   0x7FFFFFFF

Definition at line 288 of file PGFtypes.h.

#define NSubbands   4

number of subbands per level

Definition at line 63 of file PGFtypes.h.

#define PGF32   4

32 bit values are used -> allows at maximum 31 bits, otherwise 16 bit values are used -> allows at maximum 15 bits

Definition at line 69 of file PGFtypes.h.

#define PGFCodecVersion   STRINGIZE(PPCAT(PPCAT(PPCAT(PPCAT(PGFMajorNumber, .), PGFYear), .), PGFWeek))

Definition at line 56 of file PGFtypes.h.

#define PGFCodecVersionID   PPCAT(PPCAT(PPCAT(0x0, PGFMajorNumber), PGFYear), PGFWeek)

Definition at line 54 of file PGFtypes.h.

#define PGFMagic   "PGF"

PGF identification.

Definition at line 61 of file PGFtypes.h.

#define PGFMajorNumber   7

Definition at line 44 of file PGFtypes.h.

#define PGFROI   8

supports Regions Of Interest

Definition at line 70 of file PGFtypes.h.

#define PGFVersion   (Version2 | PGF32 | Version5 | Version6 | Version7)

current standard version

Definition at line 76 of file PGFtypes.h.

#define PGFWeek   03

Definition at line 46 of file PGFtypes.h.

#define PGFYear   19

Definition at line 45 of file PGFtypes.h.

#define PPCAT	(		A,
			B
	)		PPCAT_NX(A, B)

Definition at line 49 of file PGFtypes.h.

#define PPCAT_NX	(		A,
			B
	)		A ## B

Definition at line 48 of file PGFtypes.h.

#define PreHeaderSize   sizeof(PGFPreHeader)

Definition at line 284 of file PGFtypes.h.

#define RLblockSizeLen   15

block size length (< 16): ld(BufferSize) < RLblockSizeLen <= 2*ld(BufferSize)

Definition at line 85 of file PGFtypes.h.

#define STRINGIZE

(

A

)

STRINGIZE_NX(A)

Definition at line 51 of file PGFtypes.h.

#define STRINGIZE_NX

(

A

)

#A

Definition at line 50 of file PGFtypes.h.

#define Version2   2

data structure PGFHeader of major version 2

Definition at line 68 of file PGFtypes.h.

#define Version5   16

new coding scheme since major version 5

Definition at line 71 of file PGFtypes.h.

#define Version6   32

hSize in PGFPreHeader uses 32 bits instead of 16 bits

Definition at line 72 of file PGFtypes.h.

#define Version7   64

Codec major and minor version number stored in PGFHeader.

Definition at line 73 of file PGFtypes.h.

Typedef Documentation

typedef INT32 DataT

Definition at line 273 of file PGFtypes.h.

typedef void(* RefreshCB)(void *p)

Definition at line 278 of file PGFtypes.h.

Enumeration Type Documentation

enum Orientation

Enumerator
LL
HL
LH
HH

Definition at line 99 of file PGFtypes.h.

enum ProgressMode

Enumerator
PM_Relative
PM_Absolute

Definition at line 100 of file PGFtypes.h.

enum UserdataPolicy

Enumerator
UP_Skip
UP_CachePrefix
UP_CacheAll

Definition at line 101 of file PGFtypes.h.