PGFtypes.h - Man Page

PGF definitions.

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

Macros

#define PGFCodecVersion '6.14.12'
Minor number: Year (2) Week (2)
#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)

Author: C. Stamm

Definition in file PGFtypes.h.

92 { LL=0, HL=1, LH=2, HH=3 };

Author

Generated automatically by Doxygen for libpgf from the source code.

Info

Thu Jan 19 2023 Version 6.14.12 libpgf

Synopsis

Classes

Macros

Typedefs

Enumerations

Detailed Description

Macro Definition Documentation

#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 NSubbands 4

#define PGF32 4

#define PGFCodecVersion '6.14.12'

#define PGFCodecVersionID 0x061412

#define PGFMagic 'PGF'

#define PGFROI 8

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

#define PreHeaderSize sizeof(PGFPreHeader)

#define RLblockSizeLen 15

#define Version2 2

#define Version5 16

#define Version6 32

Typedef Documentation

typedef INT32 DataT

typedef void(* RefreshCB) (void *p)

Enumeration Type Documentation

enum Orientation

Author

Info