xenocara/xserver/include/cursorstr.h

/***********************************************************

Copyright 1987, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
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in this Software without prior written authorization from The Open Group.


Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in 
supporting documentation, and that the name of Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.  

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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SOFTWARE.

******************************************************************/

#ifndef CURSORSTRUCT_H
#define CURSORSTRUCT_H 

#include "cursor.h"
#include "privates.h"
/* 
 * device-independent cursor storage
 */

/*
 * source and mask point directly to the bits, which are in the server-defined
 * bitmap format.
 */
typedef struct _CursorBits {
    unsigned char *source;			/* points to bits */
    unsigned char *mask;			/* points to bits */
    Bool emptyMask;				/* all zeros mask */
    unsigned short width, height, xhot, yhot;	/* metrics */
    int refcnt;					/* can be shared */
    PrivateRec *devPrivates;			/* set by pScr->RealizeCursor*/
#ifdef ARGB_CURSOR
    CARD32 *argb;				/* full-color alpha blended */
#endif
} CursorBits, *CursorBitsPtr;

#define CURSOR_BITS_SIZE (sizeof(CursorBits) + dixPrivatesSize(PRIVATE_CURSOR_BITS))

typedef struct _Cursor {
    CursorBitsPtr bits;
    unsigned short foreRed, foreGreen, foreBlue; /* device-independent color */
    unsigned short backRed, backGreen, backBlue; /* device-independent color */
    int refcnt;
    PrivateRec *devPrivates;			/* set by pScr->RealizeCursor*/
    XID id;
#ifdef XFIXES
    CARD32 serialNumber;
    Atom name;
#endif
} CursorRec;

#define CURSOR_REC_SIZE (sizeof(CursorRec) + dixPrivatesSize(PRIVATE_CURSOR))

typedef struct _CursorMetric {
    unsigned short width, height, xhot, yhot;
} CursorMetricRec;

typedef struct {
    int                x, y;
    ScreenPtr  pScreen;
} HotSpot;

#endif /* CURSORSTRUCT_H */