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177c0ea7 | 1 | /* |
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2 | * Copyright 1985, 1986, 1987 by the Massachusetts Institute of Technology |
3 | * | |
4 | * Permission to use, copy, modify, and distribute this software and its | |
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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 | |
e745ede7 | 8 | * documentation, and that the name of M.I.T. not be used in advertising |
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9 | * or publicity pertaining to distribution of the software without specific, |
10 | * written prior permission. M.I.T. makes no representations about the | |
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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 | ||
28 | typedef 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 */ | |
177c0ea7 | 40 | /*#define VertexDrawLastPoint 0x0020 */ /* else don't */ |
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41 | |
42 | /* | |
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43 | The VertexDrawLastPoint option has not been implemented in XDraw and |
44 | XDrawFilled so it shouldn't be defined. | |
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45 | */ |
46 | ||
47 | /* | |
177c0ea7 | 48 | * XAssoc - Associations used in the XAssocTable data structure. The |
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49 | * associations are used as circular queue entries in the association table |
50 | * which is contains an array of circular queues (buckets). | |
51 | */ | |
52 | typedef 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 | ||
177c0ea7 | 60 | /* |
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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 | |
177c0ea7 | 64 | * XAssoc's which are the circular queue headers (bucket headers). |
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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 | */ | |
69 | typedef struct { | |
70 | XAssoc *buckets; /* Pointer to first bucket in bucket array.*/ | |
71 | int size; /* Table size (number of buckets). */ | |
72 | } XAssocTable; | |
73 | ||
74 | XAssocTable *XCreateAssocTable(); | |
75 | char *XLookUpAssoc(); | |
76 | ||
77 | #endif /* _X10_H_ */ | |
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78 | |
79 | /* arch-tag: b0b749fb-757b-470b-b405-af7d033a5aad | |
80 | (do not change this comment) */ |