1/***********************************************************
2Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
3
4                        All Rights Reserved
5
6Permission to use, copy, modify, and distribute this software and its
7documentation for any purpose and without fee is hereby granted,
8provided that the above copyright notice appear in all copies and that
9both that copyright notice and this permission notice appear in
10supporting documentation, and that the name of Digital not be
11used in advertising or publicity pertaining to distribution of the
12software without specific, written prior permission.
13
14DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
15ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
16DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
17ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
18WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
19ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
20SOFTWARE.
21
22******************************************************************/
23
24#ifndef FONT_H
25#define FONT_H
26
27#include <X11/Xfuncproto.h>
28
29#ifndef BitmapFormatByteOrderMask
30#include	"fsmasks.h"
31#endif
32
33/* data structures */
34#ifndef _XTYPEDEF_FONTPTR
35typedef struct _Font *FontPtr;
36#define _XTYPEDEF_FONTPTR
37#endif
38
39typedef struct _FontInfo *FontInfoPtr;
40typedef struct _FontProp *FontPropPtr;
41typedef struct _ExtentInfo *ExtentInfoPtr;
42typedef struct _FontPathElement *FontPathElementPtr;
43
44#ifndef _XTYPEDEF_CHARINFOPTR
45typedef struct _CharInfo *CharInfoPtr;
46#define _XTYPEDEF_CHARINFOPTR
47#endif
48
49typedef struct _FontNames *FontNamesPtr;
50typedef struct _FontResolution *FontResolutionPtr;
51
52#define NullCharInfo	((CharInfoPtr) 0)
53#define NullFont	((FontPtr) 0)
54#define NullFontInfo	((FontInfoPtr) 0)
55
56 /* draw direction */
57#define LeftToRight 0
58#define RightToLeft 1
59#define BottomToTop 2
60#define TopToBottom 3
61typedef int DrawDirection;
62
63#define NO_SUCH_CHAR	-1
64
65
66#define	FontAliasType	0x1000
67
68#define	AllocError	80
69#define	StillWorking	81
70#define	FontNameAlias	82
71#define	BadFontName	83
72#define	Suspended	84
73#define	Successful	85
74#define	BadFontPath	86
75#define	BadCharRange	87
76#define	BadFontFormat	88
77#define	FPEResetFailed	89	/* for when an FPE reset won't work */
78
79/* OpenFont flags */
80#define FontLoadInfo	0x0001
81#define FontLoadProps	0x0002
82#define FontLoadMetrics	0x0004
83#define FontLoadBitmaps	0x0008
84#define FontLoadAll	0x000f
85#define	FontOpenSync	0x0010
86#define FontReopen	0x0020
87
88/* Query flags */
89#define	LoadAll		0x1
90#define	FinishRamge	0x2
91#define       EightBitFont    0x4
92#define       SixteenBitFont  0x8
93
94/* Glyph Caching Modes */
95#define CACHING_OFF 0
96#define CACHE_16_BIT_GLYPHS 1
97#define CACHE_ALL_GLYPHS 2
98#define DEFAULT_GLYPH_CACHING_MODE CACHE_16_BIT_GLYPHS
99extern int glyphCachingMode;
100
101struct _Client;
102
103extern int StartListFontsWithInfo(
104    struct _Client * /*client*/,
105    int /*length*/,
106    unsigned char * /*pattern*/,
107    int /*max_names*/
108);
109
110extern FontNamesPtr MakeFontNamesRecord(
111    unsigned /* size */
112);
113
114extern void FreeFontNames(
115    FontNamesPtr /* pFN*/
116);
117
118extern int  AddFontNamesName(
119    FontNamesPtr /* names */,
120    char * /* name */,
121    int /* length */
122);
123
124#if 0 /* unused */
125extern int  FontToFSError();
126extern FontResolutionPtr GetClientResolution();
127#endif
128
129typedef struct _FontPatternCache    *FontPatternCachePtr;
130
131extern FontPatternCachePtr  MakeFontPatternCache (
132    void
133);
134
135extern void		    FreeFontPatternCache (
136    FontPatternCachePtr /* cache */
137);
138
139extern void		    EmptyFontPatternCache (
140    FontPatternCachePtr /* cache */
141);
142
143extern void		    CacheFontPattern (
144    FontPatternCachePtr /* cache */,
145    const char * /* pattern */,
146    int /* patlen */,
147    FontPtr /* pFont */
148);
149extern _X_EXPORT FontResolutionPtr GetClientResolutions(
150    int * /* num */
151);
152
153extern FontPtr		    FindCachedFontPattern (
154    FontPatternCachePtr /* cache */,
155    const char * /* pattern */,
156    int /* patlen */
157);
158
159extern void		    RemoveCachedFontPattern (
160    FontPatternCachePtr /* cache */,
161    FontPtr /* pFont */
162);
163
164typedef enum {
165    Linear8Bit, TwoD8Bit, Linear16Bit, TwoD16Bit
166}           FontEncoding;
167
168#endif				/* FONT_H */
169