#ifndef GRAPHICS_CLIP_H
#define GRAPHICS_CLIP_H

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

/********************************************************************/
/*               Commodore-Amiga, Inc.                              */
/*               clip.h                                             */
/********************************************************************/
/*
*   Modification History
*   date    :   author :    Comments
*  -------      ------      ---------------------------------------
*   02-04-85    Dale        created file from graph.h
********************************************************************/

/* structures used by and constructed by windowlib.a */
/* understood by rom software */

#define NEWLOCKS

struct Layer
{
    struct  Layer *front,*back;     /* ignored by roms */
    struct  ClipRect    *ClipRect;  /* read by roms to find first cliprect */
    struct  RastPort    *rp;        /* ignored by roms, I hope */
    struct  Rectangle   bounds;     /* ignored by roms */
        UBYTE   reserved[4];
        UWORD   priority;                               /* system use only */
    UWORD   Flags;                  /* obscured ?, Virtual BitMap? */
    struct  BitMap *SuperBitMap;
    struct  ClipRect *SuperClipRect; /* super bitmap cliprects if 
                                        VBitMap != 0*/
                                  /* else damage cliprect list for refresh */
    APTR    Window;                 /* reserved for user interface use */
    SHORT   Scroll_X,Scroll_Y;
        struct  ClipRect *cr,*cr2,*crnew;  /* used by dedice */
        struct  ClipRect *SuperSaveClipRects; /* preallocated cr's */
        struct  ClipRect *_cliprects;   /* system use during refresh */
        struct  Layer_Info  *LayerInfo; /* points to head of the list */
        struct  SignalSemaphore Lock;
        UBYTE   reserved3[8];
        struct Region *ClipRegion;
        struct Region *saveClipRects;   /* used to back out when in trouble*/
        UBYTE   reserved2[22];
        /* this must stay here */
    struct  Region  *DamageList;    /* list of rectangles to refresh 
                                       through */
};

struct ClipRect
{
    struct  ClipRect *Next;         /* roms used to find next ClipRect */
    struct  ClipRect *prev;         /* ignored by roms, used by windowlib */
    struct  Layer   *lobs;          /* ignored by roms, used by windowlib */
    struct  BitMap  *BitMap;
    struct  Rectangle   bounds;     /* set up by windowlib, used by roms */
    struct  ClipRect *_p1,*_p2;     /* system reserved */
    LONG    reserved;               /* system use */
#ifdef NEWCLIPRECTS_1_1
    LONG    Flags;                  /* only exists in layer allocation */
#endif
};

/* internal cliprect flags */
#define CR_NEEDS_NO_CONCEALED_RASTERS  1

/* defines for code values for getcode */
#define ISLESSX 1
#define ISLESSY 2
#define ISGRTRX 4
#define ISGRTRY 8
#endif