| libpgf
    7.21.2
    PGF - Progressive Graphics File | 
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 2 | 
| #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.  More... | |
| #define | MaxLevel 30 | 
| maximum number of transform levels  More... | |
| #define | NSubbands 4 | 
| number of subbands per level  More... | |
| #define | MaxChannels 8 | 
| maximum number of (color) channels  More... | |
| #define | DownsampleThreshold 3 | 
| if quality is larger than this threshold than downsampling is used  More... | |
| #define | ColorTableLen 256 | 
| size of color lookup table (clut)  More... | |
| #define | Version2 2 | 
| data structure PGFHeader of major version 2  More... | |
| #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  More... | |
| #define | PGFROI 8 | 
| supports Regions Of Interest  More... | |
| #define | Version5 16 | 
| new coding scheme since major version 5  More... | |
| #define | Version6 32 | 
| hSize in PGFPreHeader uses 32 bits instead of 16 bits  More... | |
| #define | Version7 64 | 
| Codec major and minor version number stored in PGFHeader.  More... | |
| #define | PGFVersion (Version2 | PGF32 | Version5 | Version6 | Version7) | 
| current standard version  More... | |
| #define | BufferSize 16384 | 
| must be a multiple of WordWidth, BufferSize <= UINT16_MAX  More... | |
| #define | RLblockSizeLen 15 | 
| block size length (< 16): ld(BufferSize) < RLblockSizeLen <= 2*ld(BufferSize)  More... | |
| #define | LinBlockSize 8 | 
| side length of a coefficient block in a HH or LL subband  More... | |
| #define | InterBlockSize 4 | 
| side length of a coefficient block in a HL or LH subband  More... | |
| #define | MaxBitPlanes 31 | 
| maximum number of bit planes of m_value: 32 minus sign bit  More... | |
| #define | MaxBitPlanesLog 5 | 
| number of bits to code the maximum number of bit planes (in 32 or 16 bit mode)  More... | |
| #define | MaxQuality MaxBitPlanes | 
| maximum quality  More... | |
| #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 281 of file PGFtypes.h.
| #define DataTSize sizeof(DataT) | 
Definition at line 282 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 280 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 278 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 283 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 2 | 
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 279 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 268 of file PGFtypes.h.
| typedef void(* RefreshCB) (void *p) | 
Definition at line 273 of file PGFtypes.h.
| 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.