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- /* Flic.h - header file containing structure of a flic file.
- *
- * Copyright (c) 1992 Jim Kent. This file may be freely used, modified,
- * copied and distributed. This file was first published as part of
- * an article for Dr. Dobb's Journal March 1993 issue.
- */
-
- #ifndef FLIC_H /* Keep this from being included twice */
- #define FLIC_H
-
- /* Flic Header */
- typedef struct
- {
- Long size; /* Size of flic including this header. */
- Ushort type; /* Either FLI_TYPE or FLC_TYPE below. */
- Ushort frames; /* Number of frames in flic. */
- Ushort width; /* Flic width in pixels. */
- Ushort height; /* Flic height in pixels. */
- Ushort depth; /* Bits per pixel. (Always 8 now.) */
- Ushort flags; /* FLI_FINISHED | FLI_LOOPED ideally. */
- Long speed; /* Delay between frames. */
- Short reserved1; /* Set to zero. */
- Ulong created; /* Date of flic creation. (FLC only.) */
- Ulong creator; /* Serial # of flic creator. (FLC only.) */
- Ulong updated; /* Date of flic update. (FLC only.) */
- Ulong updater; /* Serial # of flic updater. (FLC only.) */
- Ushort aspect_dx; /* Width of square rectangle. (FLC only.) */
- Ushort aspect_dy; /* Height of square rectangle. (FLC only.) */
- Char reserved2[38];/* Set to zero. */
- Long oframe1; /* Offset to frame 1. (FLC only.) */
- Long oframe2; /* Offset to frame 2. (FLC only.) */
- Char reserved3[40];/* Set to zero. */
- } FlicHead;
- /* Values for FlicHead.type */
- #define FLI_TYPE 0xAF11u /* 320x200 .FLI type ID */
- #define FLC_TYPE 0xAF12u /* Variable rez .FLC type ID */
- /* Values for FlicHead.flags */
- #define FLI_FINISHED 0x0001
- #define FLI_LOOPED 0x0002
-
- /* Optional Prefix Header */
- typedef struct
- {
- Long size; /* Size of prefix including header. */
- Ushort type; /* Always PREFIX_TYPE. */
- Short chunks; /* Number of subchunks in prefix. */
- Char reserved[8];/* Always 0. */
- } PrefixHead;
- /* Value for PrefixHead.type */
- #define PREFIX_TYPE 0xF100u
-
- /* Frame Header */
- typedef struct
- {
- Long size; /* Size of frame including header. */
- Ushort type; /* Always FRAME_TYPE */
- Short chunks; /* Number of chunks in frame. */
- Char reserved[8];/* Always 0. */
- } FrameHead;
- /* Value for FrameHead.type */
- #define FRAME_TYPE 0xF1FAu
-
- /* Chunk Header */
- typedef struct
- {
- Long size; /* Size of chunk including header. */
- Ushort type; /* Value from ChunkTypes below. */
- } ChunkHead;
- enum ChunkTypes
- {
- COLOR_256 = 4, /* 256 level color pallette info. (FLC only.) */
- DELTA_FLC = 7, /* Word-oriented delta compression. (FLC only.) */
- COLOR_64 = 11, /* 64 level color pallette info. */
- DELTA_FLI = 12, /* Byte-oriented delta compression. */
- BLACK = 13, /* whole frame is color 0 */
- BYTE_RUN = 15, /* Byte run-length compression. */
- LITERAL = 16, /* Uncompressed pixels. */
- PSTAMP = 18, /* "Postage stamp" chunk. (FLC only.) */
- };
-
- #endif /* FLIC_H */
-