isle-portable/LEGO1/omni/include/flic.h
Nathan M Gilbert ff04b0ba5a
Implement FLIC (#481)
* Implement FLIC

* Refactor/style

* Remove library_flic.h

* Exclude flic.cpp from naming

* Temporary workaround

* Fix type

* Fix bugs in FLC decoding, and cleanup

* Fix braces

* Match ClampLine

* Fix struct type

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
2024-02-29 18:00:57 +01:00

54 lines
1.9 KiB
C

#ifndef FLIC_H
#define FLIC_H
#include "decomp.h"
#include <windows.h>
enum FLI_CHUNK_TYPE {
FLI_CHUNK_COLOR256 = 4, // 256-level color palette info
FLI_CHUNK_SS2 = 7, // Word-oriented delta compression
FLI_CHUNK_COLOR64 = 11, // 64-level color palette info
FLI_CHUNK_LC = 12, // Byte-oriented delta compression
FLI_CHUNK_BLACK = 13, // Entire frame is color index 0
FLI_CHUNK_BRUN = 15, // Byte run length compression
FLI_CHUNK_COPY = 16, // No compression
FLI_CHUNK_PSTAMP = 18, // Postage stamp sized image
FLI_CHUNK_FRAME = 0xf1fa // Frame
};
#pragma pack(push, 1)
// A basic FLIC header structure from the "EGI" documentation. Source: https://www.compuphase.com/flic.htm#FLICHEADER
// This also goes over the FLIC structures: https://github.com/thinkbeforecoding/nomemalloc.handson/blob/master/flic.txt
typedef struct {
DWORD size; /* Size of the chunk, including subchunks */ // 0x00
WORD type; // 0x04
} FLIC_CHUNK;
typedef struct : FLIC_CHUNK {
WORD frames; /* Number of frames in first segment */ // 0x06
WORD width; /* FLIC width in pixels */ // 0x08
WORD height; /* FLIC height in pixels */ // 0x0a
WORD depth; /* Bits per pixel (usually 8) */ // 0x0c
WORD flags; /* Set to zero or to three */ // 0x0e
DWORD speed; /* Delay between frames */ // 0x10
} FLIC_HEADER;
#pragma pack(pop)
typedef struct : FLIC_CHUNK {
WORD chunks; /* Number of subchunks */ // 0x06
WORD delay; /* Delay in milliseconds */ // 0x08
WORD reserved; /* Always zero */ // 0x0a
WORD width; /* Frame width override (if non-zero) */ // 0x0c
WORD height; /* Frame height override (if non-zero) */ // 0x0e
} FLIC_FRAME;
void DecodeFLCFrame(
LPBITMAPINFOHEADER p_bitmapHeader,
BYTE* p_pixelData,
FLIC_HEADER* p_flcHeader,
FLIC_FRAME* p_flcFrame,
BYTE* p_decodedColorMap
);
#endif // FLIC_H