PGFtypes.h File Reference

PGF definitions. More...

#include "PGFplatform.h"

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Classes
struct	PGFMagicVersion
	PGF identification and version. More...
struct	PGFPreHeader
	PGF pre-header. More...
struct	PGFHeader
	PGF header. More...
struct	PGFPostHeader
	Optional PGF post-header. More...
union	ROIBlockHeader
	Block header used with ROI coding scheme. More...
struct	ROIBlockHeader::RBH
	Named ROI block header (part of the union) More...
struct	IOException
	PGF exception. More...
struct	PGFRect
	Rectangle. More...

Macros
#define	PGFCodecVersion   "6.14.12"
	Minor number: Year (2) Week (2) More...
#define	PGFCodecVersionID   0x061412
	Codec version ID to use for API check in client implementation.
#define	PGFMagic   "PGF"
	PGF identification.
#define	MaxLevel   30
	maximum number of transform levels
#define	NSubbands   4
	number of subbands per level
#define	MaxChannels   8
	maximum number of (color) channels
#define	DownsampleThreshold   3
	if quality is larger than this threshold than downsampling is used
#define	ColorTableLen   256
	size of color lookup table (clut)
#define	Version2   2
	data structure PGFHeader of major version 2
#define	PGF32   4
	32 bit values are used -> allows at maximum 31 bits, otherwise 16 bit values are used -> allows at maximum 15 bits
#define	PGFROI   8
	supports Regions Of Interest
#define	Version5   16
	new coding scheme since major version 5
#define	Version6   32
	new HeaderSize: 32 bits instead of 16 bits
#define	PGFVersion   (Version2 | PGF32 | Version5 | Version6)
	current standard version
#define	BufferSize   16384
	must be a multiple of WordWidth
#define	RLblockSizeLen   15
	block size length (< 16): ld(BufferSize) < RLblockSizeLen <= 2*ld(BufferSize)
#define	LinBlockSize   8
	side length of a coefficient block in a HH or LL subband
#define	InterBlockSize   4
	side length of a coefficient block in a HL or LH subband
#define	MaxBitPlanes   31
	maximum number of bit planes of m_value: 32 minus sign bit
#define	MaxBitPlanesLog   5
	number of bits to code the maximum number of bit planes (in 32 or 16 bit mode)
#define	MaxQuality   MaxBitPlanes
	maximum quality
#define	MagicVersionSize   sizeof(PGFMagicVersion)
#define	PreHeaderSize   sizeof(PGFPreHeader)
#define	HeaderSize   sizeof(PGFHeader)
#define	ColorTableSize   ColorTableLen*sizeof(RGBQUAD)
#define	DataTSize   sizeof(DataT)

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

Enumerations
enum	Orientation { LL =0, HL =1, LH =2, HH =3 }

Detailed Description

PGF definitions.

Author

C. Stamm

Macro Definition Documentation

#define PGFCodecVersion   "6.14.12"

Minor number: Year (2) Week (2)

Major number