#ifndef	GRAPHICS_RASTPORT_H
#define	GRAPHICS_RASTPORT_H
/*
**	$Filename: graphics/rastport.h $
**	$Release: 2.02 $
**	$Revision: 36.5 $
**	$Date: 90/11/06 $
**
**
**
**	(C) Copyright 1985,1986,1987,1988,1989 Commodore-Amiga, Inc.
**	    All Rights Reserved
*/

#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif

#ifndef GRAPHICS_GFX_H
#include <graphics/gfx.h>
#endif

struct AreaInfo
{
    SHORT   *VctrTbl;	      /* ptr to start of vector table */
    SHORT   *VctrPtr;	      /* ptr to current vertex */
    BYTE    *FlagTbl;	      /* ptr to start of vector flag table */
    BYTE    *FlagPtr;	      /* ptrs to areafill flags */
    SHORT   Count;	      /* number of vertices in list */
    SHORT   MaxCount;	      /* AreaMove/Draw will not allow Count>MaxCount*/
    SHORT   FirstX,FirstY;    /* first point for this polygon */
};

struct TmpRas
{
    BYTE *RasPtr;
    LONG Size;
};

/* unoptimized for 32bit alignment of pointers */
struct GelsInfo
{
    BYTE sprRsrvd;	      /* flag of which sprites to reserve from
				 vsprite system */
    UBYTE Flags;	      /* system use */
    struct VSprite *gelHead, *gelTail; /* dummy vSprites for list management*/
    /* pointer to array of 8 WORDS for sprite available lines */
    WORD *nextLine;
    /* pointer to array of 8 pointers for color-last-assigned to vSprites */
    WORD **lastColor;
    struct collTable *collHandler;     /* addresses of collision routines */
    short leftmost, rightmost, topmost, bottommost;
   APTR firstBlissObj,lastBlissObj;    /* system use only */
};

struct RastPort
{
    struct  Layer *Layer;
    struct  BitMap   *BitMap;
    USHORT  *AreaPtrn;	      /* ptr to areafill pattern */
    struct  TmpRas *TmpRas;
    struct  AreaInfo *AreaInfo;
    struct  GelsInfo *GelsInfo;
    UBYTE   Mask;	      /* write mask for this raster */
    BYTE    FgPen;	      /* foreground pen for this raster */
    BYTE    BgPen;	      /* background pen  */
    BYTE    AOlPen;	      /* areafill outline pen */
    BYTE    DrawMode;	      /* drawing mode for fill, lines, and text */
    BYTE    AreaPtSz;	      /* 2^n words for areafill pattern */
    BYTE    linpatcnt;	      /* current line drawing pattern preshift */
    BYTE    dummy;
    USHORT  Flags;	      /* miscellaneous control bits */
    USHORT  LinePtrn;	      /* 16 bits for textured lines */
    SHORT   cp_x, cp_y;       /* current pen position */
    UBYTE   minterms[8];
    SHORT   PenWidth;
    SHORT   PenHeight;
    struct  TextFont *Font;   /* current font address */
    UBYTE   AlgoStyle;	      /* the algorithmically generated style */
    UBYTE   TxFlags;	      /* text specific flags */
    UWORD   TxHeight;	      /* text height */
    UWORD   TxWidth;	      /* text nominal width */
    UWORD   TxBaseline;       /* text baseline */
    WORD    TxSpacing;	      /* text spacing (per character) */
    APTR    *RP_User;
    ULONG   longreserved[2];
#ifndef GFX_RASTPORT_1_2
    UWORD   wordreserved[7];  /* used to be a node */
    UBYTE   reserved[8];      /* for future use */
#endif
};

/* drawing modes */
#define JAM1	    0	      /* jam 1 color into raster */
#define JAM2	    1	      /* jam 2 colors into raster */
#define COMPLEMENT  2	      /* XOR bits into raster */
#define INVERSVID   4	      /* inverse video for drawing modes */

/* these are the flag bits for RastPort flags */
#define FRST_DOT    0x01      /* draw the first dot of this line ? */
#define ONE_DOT     0x02      /* use one dot mode for drawing lines */
#define DBUFFER     0x04      /* flag set when RastPorts
				 are double-buffered */

	     /* only used for bobs */

#define AREAOUTLINE 0x08      /* used by areafiller */
#define NOCROSSFILL 0x20      /* areafills have no crossovers */

/* there is only one style of clipping: raster clipping */
/* this preserves the continuity of jaggies regardless of clip window */
/* When drawing into a RastPort, if the ptr to ClipRect is nil then there */
/* is no clipping done, this is dangerous but useful for speed */

#endif	/* GRAPHICS_RASTPORT_H */