isle/3rdparty/flic/flic.h

#ifndef FLIC_H
#define FLIC_H

#include <windows.h>

// 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 FLIC including this header */
	WORD type;          /* File type 0xAF11, 0xAF12, 0xAF30, 0xAF44, ... */
	WORD frames;        /* Number of frames in first segment */
	WORD width;         /* FLIC width in pixels */
	WORD height;        /* FLIC height in pixels */
	WORD depth;         /* Bits per pixel (usually 8) */
	WORD flags;         /* Set to zero or to three */
	DWORD speed;        /* Delay between frames */
	WORD reserved1;     /* Set to zero */
	DWORD created;      /* Date of FLIC creation (FLC only) */
	DWORD creator;      /* Serial number or compiler id (FLC only) */
	DWORD updated;      /* Date of FLIC update (FLC only) */
	DWORD updater;      /* Serial number (FLC only), see creator */
	WORD aspect_dx;     /* Width of square rectangle (FLC only) */
	WORD aspect_dy;     /* Height of square rectangle (FLC only) */
	WORD ext_flags;     /* EGI: flags for specific EGI extensions */
	WORD keyframes;     /* EGI: key-image frequency */
	WORD totalframes;   /* EGI: total number of frames (segments) */
	DWORD req_memory;   /* EGI: maximum chunk size (uncompressed) */
	WORD max_regions;   /* EGI: max. number of regions in a CHK_REGION chunk */
	WORD transp_num;    /* EGI: number of transparent levels */
	BYTE reserved2[24]; /* Set to zero */
	DWORD oframe1;      /* Offset to frame 1 (FLC only) */
	DWORD oframe2;      /* Offset to frame 2 (FLC only) */
	BYTE reserved3[40]; /* Set to zero */
} FLIC_HEADER;

extern "C"
{
	void DecodeFLCFrame(
		LPBITMAPINFOHEADER bitmapHeader,
		void* pixelData,
		FLIC_HEADER* flcHeader,
		void* flcFrame,
		unsigned char* decodedColorMap
	);
}

#endif // FLIC_H