1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/* $Xorg: fservestr.h,v 1.3 2000/08/17 19:46:36 cpqbld Exp $ */
/*
* Copyright 1990 Network Computing Devices
*
* 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, and that the name of Network Computing Devices not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. Network Computing
* Devices makes no representations about the suitability of this software
* for any purpose. It is provided "as is" without express or implied
* warranty.
*
* NETWORK COMPUTING DEVICES DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
* IN NO EVENT SHALL NETWORK COMPUTING DEVICES BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
* OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Dave Lemke, Network Computing Devices, Inc
*/
/* $XFree86$ */
#ifndef _FSERVESTR_H_
#define _FSERVESTR_H_
#include "fserve.h"
#include "fsio.h"
/*
* font server data structures
*/
/*
* font server private storage
*/
typedef struct _fs_glyph {
struct _fs_glyph *next;
} FSGlyphRec, *FSGlyphPtr;
typedef struct _fs_font {
CharInfoPtr pDefault;
CharInfoPtr encoding;
CharInfoPtr inkMetrics;
FSGlyphPtr glyphs;
} FSFontRec, *FSFontPtr;
/* FS special data for the font */
typedef struct _fs_font_data {
long fontid;
int generation; /* FS generation when opened */
unsigned long glyphs_to_get; /* # glyphs remaining to be gotten */
/* Following data needed in case font needs to be reopened. */
int namelen;
char *name;
fsBitmapFormat format;
fsBitmapFormatMask fmask;
} FSFontDataRec;
typedef struct fs_clients_depending {
pointer client;
struct fs_clients_depending *next;
} FSClientsDependingRec, *FSClientsDependingPtr;
/* OpenFont specific data for blocked request */
typedef struct _fs_blocked_font {
FontPtr pfont; /* must be first for fs_read_glyphs */
long fontid;
int state; /* how many of the replies have landed */
int flags;
Bool freeFont; /* free this font on failure */
CARD16 queryInfoSequence;
CARD16 queryExtentsSequence;
CARD16 queryBitmapsSequence;
fsBitmapFormat format;
FSClientsDependingPtr clients_depending;
} FSBlockedFontRec;
/* LoadGlyphs data for blocked request */
typedef struct _fs_blocked_glyphs {
FontPtr pfont; /* must be first for fs_read_glyphs */
int num_expected_ranges;
fsRange *expected_ranges;
FSClientsDependingPtr clients_depending;
} FSBlockedGlyphRec;
/* LoadExtents data for blocked request */
typedef struct _fs_blocked_extents {
FontPtr pfont;
fsRange *expected_ranges;
int nranges;
unsigned long nextents;
fsXCharInfo *extents;
} FSBlockedExtentRec;
/* LoadBitmaps data for blocked request */
typedef struct _fs_blocked_bitmaps {
FontPtr pfont;
fsRange *expected_ranges;
int nranges;
unsigned long size;
unsigned long nglyphs;
fsOffset32 *offsets;
pointer gdata;
} FSBlockedBitmapRec;
/* state for blocked ListFonts */
typedef struct _fs_blocked_list {
FontNamesPtr names;
} FSBlockedListRec;
/* state for blocked ListFontsWithInfo */
typedef struct _fs_blocked_list_info {
int status;
int namelen;
FontInfoRec info;
char name[256];
int remaining;
} FSBlockedListInfoRec;
/* state for blocked request */
typedef struct _fs_block_data {
int type; /* Open Font, LoadGlyphs, ListFonts,
* ListWithInfo */
pointer client; /* who wants it */
CARD16 sequenceNumber; /* expected */
pointer data; /* type specific data */
int errcode; /* Suspended, et al. */
struct _fs_block_data *depending; /* clients depending on this one */
struct _fs_block_data *next;
} FSBlockDataRec;
/* state for reconnected to dead font server */
typedef struct _fs_reconnect {
int i;
} FSReconnectRec, *FSReconnectPtr;
#if !defined(UNIXCPP) || defined(ANSICPP)
#define fsCat(x,y) x##_##y
#else
#define fsCat(x,y) x/**/_/**/y
#endif
/* copy XCharInfo parts of a protocol reply into a xCharInfo */
#define fsUnpack_XCharInfo(packet, structure) \
(structure)->leftSideBearing = fsCat(packet,left); \
(structure)->rightSideBearing = fsCat(packet,right); \
(structure)->characterWidth = fsCat(packet,width); \
(structure)->ascent = fsCat(packet,ascent); \
(structure)->descent = fsCat(packet,descent); \
(structure)->attributes = fsCat(packet,attributes)
/* copy XFontInfoHeader parts of a protocol reply into a FontInfoRec */
#define fsUnpack_XFontInfoHeader(packet, structure) \
(structure)->allExist = ((packet)->font_header_flags & FontInfoAllCharsExist) != 0; \
(structure)->drawDirection = \
((packet)->font_header_draw_direction == LeftToRightDrawDirection) ? \
LeftToRight : RightToLeft; \
(structure)->inkInside = ((packet)->font_header_flags & FontInfoInkInside) != 0; \
\
(structure)->firstRow = (packet)->font_hdr_char_range_min_char_high; \
(structure)->firstCol = (packet)->font_hdr_char_range_min_char_low; \
(structure)->lastRow = (packet)->font_hdr_char_range_max_char_high; \
(structure)->lastCol = (packet)->font_hdr_char_range_max_char_low; \
(structure)->defaultCh = (packet)->font_header_default_char_low \
+ ((packet)->font_header_default_char_high << 8); \
\
(structure)->fontDescent = (packet)->font_header_font_descent; \
(structure)->fontAscent = (packet)->font_header_font_ascent; \
\
fsUnpack_XCharInfo((packet)->font_header_min_bounds, &(structure)->minbounds); \
fsUnpack_XCharInfo((packet)->font_header_min_bounds, &(structure)->ink_minbounds); \
fsUnpack_XCharInfo((packet)->font_header_max_bounds, &(structure)->maxbounds); \
fsUnpack_XCharInfo((packet)->font_header_max_bounds, &(structure)->ink_maxbounds)
extern void _fs_init_fontinfo ( FSFpePtr conn, FontInfoPtr pfi );
extern int _fs_convert_props ( fsPropInfo *pi, fsPropOffset *po, pointer pd,
FontInfoPtr pfi );
extern int _fs_convert_lfwi_reply ( FSFpePtr conn, FontInfoPtr pfi,
fsListFontsWithXInfoReply *fsrep,
fsPropInfo *pi, fsPropOffset *po,
pointer pd );
extern int fs_build_range ( FontPtr pfont, Bool range_flag,
unsigned int count, int item_size,
unsigned char *data, int *nranges,
fsRange **ranges );
extern void _fs_clean_aborted_loadglyphs ( FontPtr pfont,
int num_expected_ranges,
fsRange *expected_ranges );
extern int _fs_check_extents ( FontPtr pfont, Mask flags, int nranges,
fsRange *range, FSBlockDataPtr blockrec );
extern int _fs_check_bitmaps ( FontPtr pfont, fsBitmapFormat format,
Mask flags, int nranges, fsRange *range,
FSBlockDataPtr blockrec );
extern int _fs_get_glyphs ( FontPtr pFont, unsigned long count,
unsigned char *chars, FontEncoding charEncoding,
unsigned long *glyphCount, CharInfoPtr *glyphs );
extern void _fs_unload_font ( FontPtr pfont );
extern void _fs_init_font ( FontPtr pfont );
extern pointer fs_alloc_glyphs (FontPtr pFont, int size);
#endif /* _FSERVESTR_H_ */
|
