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Frozen Fish 1: Amiga
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rastport.h
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C/C++ Source or Header
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1993-10-15
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4KB
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114 lines
#ifndef GRAPHICS_RASTPORT_H
#define GRAPHICS_RASTPORT_H
/*
** $VER: rastport.h 39.0 (21.8.91)
** Includes Release 40.15
**
**
**
** (C) Copyright 1985-1993 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
{
WORD *VctrTbl; /* ptr to start of vector table */
WORD *VctrPtr; /* ptr to current vertex */
BYTE *FlagTbl; /* ptr to start of vector flag table */
BYTE *FlagPtr; /* ptrs to areafill flags */
WORD Count; /* number of vertices in list */
WORD MaxCount; /* AreaMove/Draw will not allow Count>MaxCount*/
WORD 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 */
WORD leftmost, rightmost, topmost, bottommost;
APTR firstBlissObj,lastBlissObj; /* system use only */
};
struct RastPort
{
struct Layer *Layer;
struct BitMap *BitMap;
UWORD *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;
UWORD Flags; /* miscellaneous control bits */
UWORD LinePtrn; /* 16 bits for textured lines */
WORD cp_x, cp_y; /* current pen position */
UBYTE minterms[8];
WORD PenWidth;
WORD 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 */