PGFtypes.h - Man Page

PGF definitions.

struct PGFMagicVersion
PGF identification and version.
struct PGFPreHeader
PGF pre-header.
struct PGFVersionNumber
version number stored in header since major version 7
"
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 PGFMajorNumber 7
#define PGFYear 21
#define PGFWeek 07
#define PPCAT_NX(A, B) A ## B
#define PPCAT(A, B) PPCAT_NX(A, B)
#define STRINGIZE_NX(A) #A
#define STRINGIZE(A) STRINGIZE_NX(A)
#define PGFCodecVersionID PPCAT(PPCAT(PPCAT(0x0, PGFMajorNumber), PGFYear), PGFWeek)
#define PGFCodecVersion STRINGIZE(PPCAT(PPCAT(PPCAT(PPCAT(PGFMajorNumber, .), PGFYear), .), PGFWeek))
#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 30 input bits, otherwise 16 bit values are used -> allows at maximum 14 input bits
#define PGFROI 8
supports Regions Of Interest
#define Version5 16
new coding scheme since major version 5
#define Version6 32
hSize in PGFPreHeader uses 32 bits instead of 16 bits
#define Version7 64
Codec major and minor version number stored in PGFHeader.
#define PGFVersion (Version2 | PGF32 | Version5 | Version6 | Version7)
current standard version
#define BufferSize 16384
must be a multiple of WordWidth, BufferSize <= UINT16_MAX
#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)
#define MaxUserDataSize 0x7FFFFFFF

Author: C. Stamm

Definition in file PGFtypes.h.

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

enum ProgressMode

Enumerator

PM_Relative

PM_Absolute

Definition at line 100 of file PGFtypes.h..PP

100 { PM_Relative, PM_Absolute };

enum UserdataPolicy

Enumerator

UP_Skip

UP_CachePrefix

UP_CacheAll

Definition at line 101 of file PGFtypes.h..PP

101 { UP_Skip = 0, UP_CachePrefix = 1, UP_CacheAll = 2 };

Author

Generated automatically by Doxygen for libpgf from the source code.

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Thu Jan 25 2024 00:00:00 Version 7.21.2 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 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 07

#define PGFYear 21

#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

Typedef Documentation

typedef INT32 DataT

typedef void(* RefreshCB) (void *p)

Enumeration Type Documentation

enum Orientation

enum ProgressMode

enum UserdataPolicy

Author

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