#ifndef GRAPHICS_CLIP_H
#define GRAPHICS_CLIP_H

/*
    (C) 1997 AROS - The Amiga Replacement OS
    $Id: clip.h,v 1.3 1997/04/13 22:32:30 aros Exp $

    Desc: Clip descriptions.
    Lang: english
*/

#ifndef EXEC_SEMAPHORES_H
#   include <exec/semaphores.h>
#endif
#ifndef EXEC_TYPES_H
#   include <exec/types.h>
#endif
#ifndef GRAPHICS_GFX_H
#   include <graphics/gfx.h>
#endif
#ifndef UTILITY_HOOKS_H
#   include <utility/hooks.h>
#endif

#define NEWLOCKS

struct Layer
{
    struct Layer     * front;
    struct Layer     * back;
    struct ClipRect  * ClipRect;
    struct RastPort  * rp;
    struct Rectangle   bounds;

    UBYTE reserved[4];
    UWORD priority;
    UWORD Flags;

    struct BitMap   * SuperBitMap;
    struct ClipRect * SuperClipRect;

    APTR Window;
    WORD Scroll_X;
    WORD Scroll_Y;

    struct ClipRect * cr;
    struct ClipRect * cr2;
    struct ClipRect * crnew;
    struct ClipRect * SuperSaveClipRects;
    struct ClipRect * _cliprects;

    struct Layer_Info      * LayerInfo;
    struct SignalSemaphore   Lock;
    struct Hook            * BackFill;

    ULONG reserved1;

    struct Region * ClipRegion;
    struct Region * saveClipRects;

    WORD Width;
    WORD Height;

    UBYTE reserved2[18];

    struct Region * DamageList;
};

struct ClipRect
{
    struct ClipRect  * Next;
    struct ClipRect  * prev;
    struct Layer     * lobs;
    struct BitMap    * BitMap;
    struct Rectangle   bounds;

    void * _p1;
    void * _p2;
    LONG   reserved;
    LONG   Flags;
};

/* PRIVATE */
#define CR_NEEDS_NO_CONCEALED_RASTERS 1
#define CR_NEEDS_NO_LAYERBLIT_DAMAGE  2

#define ISLESSX (1<<0)
#define ISLESSY (1<<1)
#define ISGRTRX (1<<2)
#define ISGRTRY (1<<3)

#endif /* GRAPHICS_CLIP_H */