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1 | /* $Header: /u/src/emacs/19.0/oldXMenu/RCS/X10.h,v 1.1 1992/04/11 22:10:21 jimb Exp $ */ |
2 | /* | |
3 | * Copyright 1985, 1986, 1987 by the Massachusetts Institute of Technology | |
4 | * | |
5 | * Permission to use, copy, modify, and distribute this software and its | |
6 | * documentation for any purpose and without fee is hereby granted, provided | |
7 | * that the above copyright notice appear in all copies and that both that | |
8 | * copyright notice and this permission notice appear in supporting | |
9 | * documentation, and that the name of M.I.T. not be used in advertising | |
10 | * or publicity pertaining to distribution of the software without specific, | |
11 | * written prior permission. M.I.T. makes no representations about the | |
12 | * suitability of this software for any purpose. It is provided "as is" | |
13 | * without express or implied warranty. | |
14 | * | |
15 | * The X Window System is a Trademark of MIT. | |
16 | * | |
17 | */ | |
18 | ||
19 | ||
20 | /* | |
21 | * X10.h - Header definition and support file for the C subroutine | |
22 | * interface library for V10 support routines. | |
23 | */ | |
24 | #ifndef _X10_H_ | |
25 | #define _X10_H_ | |
26 | ||
27 | /* Used in XDraw and XDrawFilled */ | |
28 | ||
29 | typedef struct { | |
30 | short x, y; | |
31 | unsigned short flags; | |
32 | } Vertex; | |
33 | ||
34 | /* The meanings of the flag bits. If the bit is 1 the predicate is true */ | |
35 | ||
36 | #define VertexRelative 0x0001 /* else absolute */ | |
37 | #define VertexDontDraw 0x0002 /* else draw */ | |
38 | #define VertexCurved 0x0004 /* else straight */ | |
39 | #define VertexStartClosed 0x0008 /* else not */ | |
40 | #define VertexEndClosed 0x0010 /* else not */ | |
41 | /*#define VertexDrawLastPoint 0x0020 */ /* else don't */ | |
42 | ||
43 | /* | |
44 | The VertexDrawLastPoint option has not been implemented in XDraw and | |
45 | XDrawFilled so it shouldn't be defined. | |
46 | */ | |
47 | ||
48 | /* | |
49 | * XAssoc - Associations used in the XAssocTable data structure. The | |
50 | * associations are used as circular queue entries in the association table | |
51 | * which is contains an array of circular queues (buckets). | |
52 | */ | |
53 | typedef struct _XAssoc { | |
54 | struct _XAssoc *next; /* Next object in this bucket. */ | |
55 | struct _XAssoc *prev; /* Previous obejct in this bucket. */ | |
56 | Display *display; /* Display which owns the id. */ | |
57 | XID x_id; /* X Window System id. */ | |
58 | char *data; /* Pointer to untyped memory. */ | |
59 | } XAssoc; | |
60 | ||
61 | /* | |
62 | * XAssocTable - X Window System id to data structure pointer association | |
63 | * table. An XAssocTable is a hash table whose buckets are circular | |
64 | * queues of XAssoc's. The XAssocTable is constructed from an array of | |
65 | * XAssoc's which are the circular queue headers (bucket headers). | |
66 | * An XAssocTable consists an XAssoc pointer that points to the first | |
67 | * bucket in the bucket array and an integer that indicates the number | |
68 | * of buckets in the array. | |
69 | */ | |
70 | typedef struct { | |
71 | XAssoc *buckets; /* Pointer to first bucket in bucket array.*/ | |
72 | int size; /* Table size (number of buckets). */ | |
73 | } XAssocTable; | |
74 | ||
75 | XAssocTable *XCreateAssocTable(); | |
76 | char *XLookUpAssoc(); | |
77 | ||
78 | #endif /* _X10_H_ */ |