X10.h   [plain text]

/* $Xorg: X10.h,v 1.4 2001/02/09 02:04:05 xorgcvs Exp $ */
/* 
 * 
Copyright 1985, 1986, 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
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
 *
 * The X Window System is a Trademark of The Open Group.
 *
 */


/*
 *	X10.h - Header definition and support file for the C subroutine
 *	interface library for V10 support routines.
 */
#ifndef _X10_H_
#define _X10_H_

/* Used in XDraw and XDrawFilled */

typedef struct {
	short x, y;
	unsigned short flags;
} Vertex;

/* The meanings of the flag bits.  If the bit is 1 the predicate is true */

#define VertexRelative		0x0001		/* else absolute */
#define VertexDontDraw		0x0002		/* else draw */
#define VertexCurved		0x0004		/* else straight */
#define VertexStartClosed	0x0008		/* else not */
#define VertexEndClosed		0x0010		/* else not */
/*#define VertexDrawLastPoint	0x0020 	*/      /* else don't */	

/*
The VertexDrawLastPoint option has not been implemented in XDraw and 
XDrawFilled so it shouldn't be defined. 
*/

/*
 * XAssoc - Associations used in the XAssocTable data structure.  The 
 * associations are used as circular queue entries in the association table
 * which is contains an array of circular queues (buckets).
 */
typedef struct _XAssoc {
	struct _XAssoc *next;	/* Next object in this bucket. */
	struct _XAssoc *prev;	/* Previous obejct in this bucket. */
	Display *display;	/* Display which ownes the id. */
	XID x_id;		/* X Window System id. */
	char *data;		/* Pointer to untyped memory. */
} XAssoc;

/* 
 * XAssocTable - X Window System id to data structure pointer association
 * table.  An XAssocTable is a hash table whose buckets are circular
 * queues of XAssoc's.  The XAssocTable is constructed from an array of
 * XAssoc's which are the circular queue headers (bucket headers).  
 * An XAssocTable consists an XAssoc pointer that points to the first
 * bucket in the bucket array and an integer that indicates the number
 * of buckets in the array.
 */
typedef struct {
    XAssoc *buckets;		/* Pointer to first bucket in bucket array.*/
    int size;			/* Table size (number of buckets). */
} XAssocTable;

XAssocTable *XCreateAssocTable();
char *XLookUpAssoc();

#endif /* _X10_H_ */