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/*
* 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
*/
#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;
#define fsCat(x,y) x##_##y
/* 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 void _fs_init_font ( FontPtr pfont );
extern pointer fs_alloc_glyphs (FontPtr pFont, int size);
#endif /* _FSERVESTR_H_ */
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