1/*
2 * Copyright 1985, 1986, 1987 by the Massachusetts Institute of Technology
3 *
4 * Permission to use, copy, modify, and distribute this software and its
5 * documentation for any purpose and without fee is hereby granted, provided
6 * that the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of M.I.T. not be used in advertising
9 * or publicity pertaining to distribution of the software without specific,
10 * written prior permission. M.I.T. makes no representations about the
11 * suitability of this software for any purpose.  It is provided "as is"
12 * without express or implied warranty.
13 *
14 * The X Window System is a Trademark of MIT.
15 *
16 */
17
18
19/*
20 *	X10.h - Header definition and support file for the C subroutine
21 *	interface library for V10 support routines.
22 */
23#ifndef _X10_H_
24#define _X10_H_
25
26/* Used in XDraw and XDrawFilled */
27
28typedef struct {
29	short x, y;
30	unsigned short flags;
31} Vertex;
32
33/* The meanings of the flag bits.  If the bit is 1 the predicate is true */
34
35#define VertexRelative		0x0001		/* else absolute */
36#define VertexDontDraw		0x0002		/* else draw */
37#define VertexCurved		0x0004		/* else straight */
38#define VertexStartClosed	0x0008		/* else not */
39#define VertexEndClosed		0x0010		/* else not */
40/*#define VertexDrawLastPoint	0x0020 	*/      /* else don't */
41
42/*
43The VertexDrawLastPoint option has not been implemented in XDraw and
44XDrawFilled so it shouldn't be defined.
45*/
46
47/*
48 * XAssoc - Associations used in the XAssocTable data structure.  The
49 * associations are used as circular queue entries in the association table
50 * which is contains an array of circular queues (buckets).
51 */
52typedef struct _XAssoc {
53	struct _XAssoc *next;	/* Next object in this bucket. */
54	struct _XAssoc *prev;	/* Previous obejct in this bucket. */
55	Display *display;	/* Display which owns the id. */
56	XID x_id;		/* X Window System id. */
57	char *data;		/* Pointer to untyped memory. */
58} XAssoc;
59
60/*
61 * XAssocTable - X Window System id to data structure pointer association
62 * table.  An XAssocTable is a hash table whose buckets are circular
63 * queues of XAssoc's.  The XAssocTable is constructed from an array of
64 * XAssoc's which are the circular queue headers (bucket headers).
65 * An XAssocTable consists an XAssoc pointer that points to the first
66 * bucket in the bucket array and an integer that indicates the number
67 * of buckets in the array.
68 */
69typedef struct {
70    XAssoc *buckets;		/* Pointer to first bucket in bucket array.*/
71    int size;			/* Table size (number of buckets). */
72} XAssocTable;
73
74XAssocTable *XCreateAssocTable();
75char *XLookUpAssoc();
76
77#endif /* _X10_H_ */
78
79/* arch-tag: b0b749fb-757b-470b-b405-af7d033a5aad
80   (do not change this comment) */
81