1c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#ifndef _GIF_LIB_PRIVATE_H 2c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define _GIF_LIB_PRIVATE_H 3c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 4c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#include "gif_lib.h" 5c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#include "gif_hash.h" 6c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 7c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define PROGRAM_NAME "GIFLIB" 8c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 9c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#ifdef SYSV 10c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define VersionStr "Gif library module,\t\tEric S. Raymond\n\ 11c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project (C) Copyright 1997 Eric S. Raymond\n" 12c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#else 13c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define VersionStr PROGRAM_NAME " IBMPC " GIF_LIB_VERSION \ 14c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project " Eric S. Raymond, " __DATE__ ", " \ 15c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project __TIME__ "\n" "(C) Copyright 1997 Eric S. Raymond\n" 16c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#endif /* SYSV */ 17c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 18c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define LZ_MAX_CODE 4095 /* Biggest code possible in 12 bits. */ 19c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define LZ_BITS 12 20c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 21c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define FLUSH_OUTPUT 4096 /* Impossible code, to signal flush. */ 22c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define FIRST_CODE 4097 /* Impossible code, to signal first. */ 23c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define NO_SUCH_CODE 4098 /* Impossible code, to signal empty. */ 24c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 25c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define FILE_STATE_WRITE 0x01 26c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define FILE_STATE_SCREEN 0x02 27c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define FILE_STATE_IMAGE 0x04 28c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define FILE_STATE_READ 0x08 29c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 30c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define IS_READABLE(Private) (Private->FileState & FILE_STATE_READ) 31c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#define IS_WRITEABLE(Private) (Private->FileState & FILE_STATE_WRITE) 32c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 33c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Projecttypedef struct GifFilePrivateType { 34c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project GifWord FileState, FileHandle, /* Where all this data goes to! */ 35c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project BitsPerPixel, /* Bits per pixel (Codes uses at least this + 1). */ 36c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project ClearCode, /* The CLEAR LZ code. */ 37c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project EOFCode, /* The EOF LZ code. */ 38c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project RunningCode, /* The next code algorithm can generate. */ 39c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project RunningBits, /* The number of bits required to represent RunningCode. */ 40c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project MaxCode1, /* 1 bigger than max. possible code, in RunningBits bits. */ 41c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project LastCode, /* The code before the current code. */ 42c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project CrntCode, /* Current algorithm code. */ 43c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project StackPtr, /* For character stack (see below). */ 44c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project CrntShiftState; /* Number of bits in CrntShiftDWord. */ 45c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project unsigned long CrntShiftDWord; /* For bytes decomposition into codes. */ 46c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project unsigned long PixelCount; /* Number of pixels in image. */ 47c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project FILE *File; /* File as stream. */ 48c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project InputFunc Read; /* function to read gif input (TVT) */ 49c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project OutputFunc Write; /* function to write gif output (MRB) */ 50c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project GifByteType Buf[256]; /* Compressed input is buffered here. */ 51c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project GifByteType Stack[LZ_MAX_CODE]; /* Decoded pixels are stacked here. */ 52c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project GifByteType Suffix[LZ_MAX_CODE + 1]; /* So we can trace the codes. */ 53c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project GifPrefixType Prefix[LZ_MAX_CODE + 1]; 54c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project GifHashTableType *HashTable; 55c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project} GifFilePrivateType; 56c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 57c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Projectextern int _GifError; 58c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project 59c2eacaec90baee57fdbbdbad935d161638894ee7The Android Open Source Project#endif /* _GIF_LIB_PRIVATE_H */ 60