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