#ifndef GIMMELIB_PICTURE_H
#define GIMMELIB_PICTURE_H

#include "gimmelib/bitplane.h"

#ifdef I_AM_PICTURE
#define Mk(a,b,c,d)     (((ULONG)(a)<<24) | ((ULONG)(b)<<16) \
				| ((ULONG)(c)<<8) | (ULONG)(d))
#define EVEN(p)         ((p+1) & ~1)

#define ID_FORM 	Mk('F', 'O', 'R', 'M')
#define ID_ILBM 	Mk('I', 'L', 'B', 'M')
#define ID_BMHD 	Mk('B', 'M', 'H', 'D')
#define ID_CMAP 	Mk('C', 'M', 'A', 'P')
#define ID_DEST 	Mk('D', 'E', 'S', 'T')
#define ID_SPRT 	Mk('S', 'P', 'R', 'T')
#define ID_CAMG 	Mk('C', 'A', 'M', 'G')
#define ID_CRNG 	Mk('C', 'R', 'N', 'G')
#define ID_CCRT 	Mk('C', 'C', 'R', 'T')
#define ID_BODY 	Mk('B', 'O', 'D', 'Y')
#endif I_AM_PICTURE


typedef UBYTE Masking;

#define mskNone 	0
#define mskHasMask	1
#define mskHasTranCol	2
#define mskLasso	3

typedef UBYTE Compression;

#define cmpNone 	0
#define cmpByteRun1	1

typedef struct _gim_bmh {
	UWORD	w,h;			/* raster width, height */
	WORD	x,y;			/* pixel position for this image */
	UBYTE	nPlanes;		/* number of bit planes */
	Masking masking;
	Compression compression;
	UBYTE	pad1;			/* unused */
	UWORD	transparentColour;	/* transparent colour number */
	UBYTE	xAspect, yAspect;	/* pixel aspect, a ratio width:height */
	WORD	pageWidth, pageHeight;	/* source page size in pixels */
} BitMapHeader;

typedef struct {
	UBYTE red,green,blue;
} ColourRegister;

typedef struct {
	ColourRegister *luts;		/* pointer to look up table */
	WORD numLuts;			/* number of luts entries */
} LutTable;

typedef struct {
	WORD x,y;			/* relative coordinates */
} Point2D;

typedef struct {
	UBYTE depth;			/* # of bitplanes in original source */
	UBYTE pad1;			/* unused... put zero here */
	UWORD planePick;		/* how to scatter src into dest */
	UWORD planeOnOff;		/* default bitplane data for above */
	UWORD planeMask;		/* which bitplanes to store into */
} DestMerge;

typedef UWORD SpritePrecedence; 	/* relative precedence, 0 is highest */


typedef struct _gim_pic {
    BitMapHeader    bmh;	/* info for this bitmap */
    SHORT	    xsize;	/* actual width in pixels */
    void	    *memhead;	/* memory-chain allocated for this picture */
    struct BitMap   *bm;	/* pointer to bitmap struct */
    struct ColorMap colormap;	/* actual instance; .ColorTable -> colours */
    ULONG	    myflags;	/* flags about the bitmap */
    struct _gim_pic *next;	/* next picture (for future use) */
} PICTURE;


/***
    flags for gimmePicture()
    ==> see flags for gimmeBitPlanes() in <gimmelib/bitplane.h>
***/

#endif !GIMMELIB_PICTURE_H