/****************************** Module Header ******************************\
* Module Name: ANICUR.H
*
* This header contains all structures and constants needed for manipulating
* Animated cursor files.
*
* History:
*   28-Apr-1993 JonPa   Copied from Windows NT
*
\***************************************************************************/

#include <mmsystem.h>

// RIFF chunk header.

typedef struct _RTAG {
    FOURCC ckID;
    DWORD ckSize;
} RTAG, *PRTAG;


// Valid TAG types.

// 'ANI ' - simple ANImation file

#define FOURCC_ACON  mmioFOURCC('A', 'C', 'O', 'N')


// 'anih' - ANImation Header
// Contains an ANIHEADER structure.

#define FOURCC_anih mmioFOURCC('a', 'n', 'i', 'h')


// 'rate' - RATE table (array of jiffies)
// Contains an array of JIFs.  Each JIF specifies how long the corresponding
// animation frame is to be displayed before advancing to the next frame.
// If the AF_SEQUENCE flag is set then the count of JIFs == anih.cSteps,
// otherwise the count == anih.cFrames.

#define FOURCC_rate mmioFOURCC('r', 'a', 't', 'e')


// 'seq ' - SEQuence table (array of frame index values)
// Countains an array of DWORD frame indices.  anih.cSteps specifies how
// many.

#define FOURCC_seq  mmioFOURCC('s', 'e', 'q', ' ')


// 'fram' - list type for the icon list that follows

#define FOURCC_fram mmioFOURCC('f', 'r', 'a', 'm')

// 'icon' - Windows ICON format image (replaces MPTR)

#define FOURCC_icon mmioFOURCC('i', 'c', 'o', 'n')


// Standard tags (but for some reason not defined in MMSYSTEM.H)

#define FOURCC_INFO mmioFOURCC('I', 'N', 'F', 'O')      // INFO list
#define FOURCC_IART mmioFOURCC('I', 'A', 'R', 'T')      // Artist
#define FOURCC_INAM mmioFOURCC('I', 'N', 'A', 'M')      // Name/Title

typedef DWORD JIF, *PJIF;

typedef struct _ANIHEADER {     /* anih */
    DWORD cbSizeof;
    DWORD cFrames;
    DWORD cSteps;
    DWORD cx, cy;
    DWORD cBitCount, cPlanes;
    JIF   jifRate;
    DWORD fl;
} ANIHEADER, *PANIHEADER;

/* If the AF_ICON flag is specified the fields cx, cy, cBitCount, and
 * cPlanes are all unused.  Each frame will be of type ICON and will
 * contain its own dimensional information.
 */

#define AF_ICON     0x0001L     /* Windows format icon/cursor animation */
#define AF_SEQUENCE 0x0002L     /* Animation is sequenced */