libpgf 7.21.2
PGF - Progressive Graphics File
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PGF definitions. More...
#include "PGFplatform.h"
Go to the source code of this file.
Classes | |
struct | PGFMagicVersion |
PGF identification and version. More... | |
struct | PGFPreHeader |
PGF pre-header. More... | |
struct | PGFVersionNumber |
version number stored in header since major version 7 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 | 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 |
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 } |
PGF definitions.
Definition in file PGFtypes.h.
#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 282 of file PGFtypes.h.
#define DataTSize sizeof(DataT) |
Definition at line 283 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 281 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 279 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 284 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 30 input bits, otherwise 16 bit values are used -> allows at maximum 14 input 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.
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.
current standard version
Definition at line 76 of file PGFtypes.h.
#define PGFWeek 07 |
Definition at line 46 of file PGFtypes.h.
#define PGFYear 21 |
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 280 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 INT32 DataT |
Definition at line 269 of file PGFtypes.h.
typedef void(* RefreshCB) (void *p) |
Definition at line 274 of file PGFtypes.h.
enum Orientation |
enum ProgressMode |
enum UserdataPolicy |