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|
/*
This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002-2012 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team.
Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "system.h"
#include "mem.h"
#include "error.h"
#include "dpxfile.h"
#include "dpxutil.h"
#include "subfont.h"
#include "fontmap.h"
#ifdef XETEX
#include "ft2build.h"
#include FT_FREETYPE_H
#endif
/* CIDFont */
static char *strip_options (const char *map_name, fontmap_opt *opt);
static int verbose = 0;
void
pdf_fontmap_set_verbose (void)
{
verbose++;
}
void
pdf_init_fontmap_record (fontmap_rec *mrec)
{
ASSERT(mrec);
mrec->map_name = NULL;
/* SFD char mapping */
mrec->charmap.sfd_name = NULL;
mrec->charmap.subfont_id = NULL;
/* for OFM */
mrec->opt.mapc = -1; /* compatibility */
mrec->font_name = NULL;
mrec->enc_name = NULL;
mrec->opt.slant = 0.0;
mrec->opt.extend = 1.0;
mrec->opt.bold = 0.0;
mrec->opt.flags = 0;
mrec->opt.design_size = -1.0;
mrec->opt.tounicode = NULL;
mrec->opt.otl_tags = NULL; /* deactivated */
mrec->opt.index = 0;
mrec->opt.charcoll = NULL;
mrec->opt.style = FONTMAP_STYLE_NONE;
mrec->opt.stemv = -1; /* not given explicitly by an option */
#ifdef XETEX
mrec->opt.ft_face = NULL;
mrec->opt.glyph_widths = NULL;
#endif
}
void
pdf_clear_fontmap_record (fontmap_rec *mrec)
{
ASSERT(mrec);
if (mrec->map_name)
RELEASE(mrec->map_name);
if (mrec->charmap.sfd_name)
RELEASE(mrec->charmap.sfd_name);
if (mrec->charmap.subfont_id)
RELEASE(mrec->charmap.subfont_id);
if (mrec->enc_name)
RELEASE(mrec->enc_name);
if (mrec->font_name)
RELEASE(mrec->font_name);
if (mrec->opt.tounicode)
RELEASE(mrec->opt.tounicode);
if (mrec->opt.otl_tags)
RELEASE(mrec->opt.otl_tags);
if (mrec->opt.charcoll)
RELEASE(mrec->opt.charcoll);
#ifdef XETEX
if (mrec->opt.glyph_widths)
RELEASE(mrec->opt.glyph_widths);
#endif
pdf_init_fontmap_record(mrec);
}
/* strdup: just returns NULL for NULL */
static char *
mstrdup (const char *s)
{
char *r;
if (!s)
return NULL;
r = NEW(strlen(s) + 1, char);
strcpy(r, s);
return r;
}
static void
pdf_copy_fontmap_record (fontmap_rec *dst, const fontmap_rec *src)
{
ASSERT( dst && src );
dst->map_name = mstrdup(src->map_name);
dst->charmap.sfd_name = mstrdup(src->charmap.sfd_name);
dst->charmap.subfont_id = mstrdup(src->charmap.subfont_id);
dst->font_name = mstrdup(src->font_name);
dst->enc_name = mstrdup(src->enc_name);
dst->opt.slant = src->opt.slant;
dst->opt.extend = src->opt.extend;
dst->opt.bold = src->opt.bold;
dst->opt.flags = src->opt.flags;
dst->opt.mapc = src->opt.mapc;
dst->opt.tounicode = mstrdup(src->opt.tounicode);
dst->opt.otl_tags = mstrdup(src->opt.otl_tags);
dst->opt.index = src->opt.index;
dst->opt.charcoll = mstrdup(src->opt.charcoll);
dst->opt.style = src->opt.style;
dst->opt.stemv = src->opt.stemv;
#ifdef XETEX
dst->opt.ft_face = src->opt.ft_face;
dst->opt.glyph_widths = src->opt.glyph_widths;
#endif
}
static void
hval_free (void *vp)
{
fontmap_rec *mrec = (fontmap_rec *) vp;
pdf_clear_fontmap_record(mrec);
RELEASE(mrec);
}
static void
fill_in_defaults (fontmap_rec *mrec, const char *tex_name)
{
if (mrec->enc_name &&
(!strcmp(mrec->enc_name, "default") ||
!strcmp(mrec->enc_name, "none"))) {
RELEASE(mrec->enc_name);
mrec->enc_name = NULL;
}
if (mrec->font_name &&
(!strcmp(mrec->font_name, "default") ||
!strcmp(mrec->font_name, "none"))) {
RELEASE(mrec->font_name);
mrec->font_name = NULL;
}
/* We *must* fill font_name either explicitly or by default */
if (!mrec->font_name) {
mrec->font_name = NEW(strlen(tex_name)+1, char);
strcpy(mrec->font_name, tex_name);
}
mrec->map_name = NEW(strlen(tex_name)+1, char);
strcpy(mrec->map_name, tex_name);
#ifndef WITHOUT_COMPAT
/* Use "UCS" character collection for Unicode SFD
* and Identity CMap combination. For backward
* compatibility.
*/
if (mrec->charmap.sfd_name && mrec->enc_name &&
!mrec->opt.charcoll) {
if ((!strcmp(mrec->enc_name, "Identity-H") ||
!strcmp(mrec->enc_name, "Identity-V"))
&&
(strstr(mrec->charmap.sfd_name, "Uni") ||
strstr(mrec->charmap.sfd_name, "UBig") ||
strstr(mrec->charmap.sfd_name, "UBg") ||
strstr(mrec->charmap.sfd_name, "UGB") ||
strstr(mrec->charmap.sfd_name, "UKS") ||
strstr(mrec->charmap.sfd_name, "UJIS"))) {
mrec->opt.charcoll = NEW(strlen("UCS")+1, char);
strcpy(mrec->opt.charcoll, "UCS");
}
}
#endif /* WITHOUT_COMPAT */
return;
}
static char *
readline (char *buf, int buf_len, FILE *fp)
{
char *p, *q;
ASSERT( buf && buf_len > 0 && fp );
p = mfgets(buf, buf_len, fp);
if (!p)
return NULL;
q = strchr(p, '%'); /* we don't have quoted string */
if (q)
*q = '\0';
return p;
}
#ifndef ISBLANK
# define ISBLANK(c) ((c) == ' ' || (c) == '\t')
#endif
static void
skip_blank (const char **pp, const char *endptr)
{
const char *p = *pp;
if (!p || p >= endptr)
return;
for ( ; p < endptr && ISBLANK(*p); p++);
*pp = p;
}
static char *
parse_string_value (const char **pp, const char *endptr)
{
char *q = NULL;
const char *p = *pp;
int n;
if (!p || p >= endptr)
return NULL;
if (*p == '"')
q = parse_c_string(&p, endptr);
else {
for (n = 0; p < endptr && !isspace(*p); p++, n++);
if (n == 0)
return NULL;
q = NEW(n + 1, char);
memcpy(q, *pp, n); q[n] = '\0';
}
*pp = p;
return q;
}
/* no preceeding spaces allowed */
static char *
parse_integer_value (const char **pp, const char *endptr, int base)
{
char *q;
const char *p = *pp;
int has_sign = 0, has_prefix = 0, n;
ASSERT( base == 0 || (base >= 2 && base <= 36) );
if (!p || p >= endptr)
return NULL;
if (*p == '-' || *p == '+') {
p++; has_sign = 1;
}
if ((base == 0 || base == 16) &&
p + 2 <= endptr &&
p[0] == '0' && p[1] == 'x') {
p += 2; has_prefix = 1;
}
if (base == 0) {
if (has_prefix)
base = 16;
else if (p < endptr && *p == '0')
base = 8;
else {
base = 10;
}
}
#define ISDIGIT_WB(c,b) ( \
((b) <= 10 && (c) >= '0' && (c) < '0' + (b)) || \
((b) > 10 && ( \
((c) >= '0' && (c) <= '9') || \
((c) >= 'a' && (c) < 'a' + ((b) - 10)) || \
((c) >= 'A' && (c) < 'A' + ((b) - 10)) \
) \
) \
)
for (n = 0; p < endptr && ISDIGIT_WB(*p, base); p++, n++);
if (n == 0)
return NULL;
if (has_sign)
n += 1;
if (has_prefix)
n += 2;
q = NEW(n + 1, char);
memcpy(q, *pp, n); q[n] = '\0';
*pp = p;
return q;
}
static int
fontmap_parse_mapdef_dpm (fontmap_rec *mrec,
const char *mapdef, const char *endptr)
{
const char *p = mapdef;
/*
* Parse record line in map file. First two fields (after TeX font
* name) are position specific. Arguments start at the first token
* beginning with a '-'.
*
* NOTE:
* Dvipdfm basically uses parse_ident() for parsing enc_name,
* font_name, and other string values which assumes PostScript-like
* syntax.
* skip_white() skips '\r' and '\n' but they should terminate
* fontmap line here.
*/
skip_blank(&p, endptr);
/* encoding field */
if (p < endptr && *p != '-') { /* May be NULL */
mrec->enc_name = parse_string_value(&p, endptr);
skip_blank(&p, endptr);
}
/* fontname or font filename field */
if (p < endptr && *p != '-') { /* May be NULL */
mrec->font_name = parse_string_value(&p, endptr);
skip_blank(&p, endptr);
}
if (mrec->font_name) {
char *tmp;
/* Several options are encoded in font_name for
* compatibility with dvipdfm.
*/
tmp = strip_options(mrec->font_name, &mrec->opt);
if (tmp) {
RELEASE(mrec->font_name);
mrec->font_name = tmp;
}
}
skip_blank(&p, endptr);
/* Parse any remaining arguments */
while (p + 1 < endptr &&
*p != '\r' && *p != '\n' && *p == '-') {
char *q, mopt = p[1];
long v;
p += 2; skip_blank(&p, endptr);
switch (mopt) {
case 's': /* Slant option */
q = parse_float_decimal(&p, endptr);
if (!q) {
WARN("Missing a number value for 's' option.");
return -1;
}
mrec->opt.slant = atof(q);
RELEASE(q);
break;
case 'e': /* Extend option */
q = parse_float_decimal(&p, endptr);
if (!q) {
WARN("Missing a number value for 'e' option.");
return -1;
}
mrec->opt.extend = atof(q);
if (mrec->opt.extend <= 0.0) {
WARN("Invalid value for 'e' option: %s", q);
return -1;
}
RELEASE(q);
break;
case 'b': /* Fake-bold option */
q = parse_float_decimal(&p, endptr);
if (!q) {
WARN("Missing a number value for 'b' option.");
return -1;
}
mrec->opt.bold = atof(q);
if (mrec->opt.bold <= 0.0) {
WARN("Invalid value for 'b' option: %s", q);
return -1;
}
RELEASE(q);
break;
case 'r': /* Remap option; obsolete; just ignore */
break;
case 'i': /* TTC index */
q = parse_integer_value(&p, endptr, 10);
if (!q) {
WARN("Missing TTC index number...");
return -1;
}
mrec->opt.index = atoi(q);
if (mrec->opt.index < 0) {
WARN("Invalid TTC index number: %s", q);
return -1;
}
RELEASE(q);
break;
case 'p': /* UCS plane: just for testing */
q = parse_integer_value(&p, endptr, 0);
if (!q) {
WARN("Missing a number for 'p' option.");
return -1;
}
v = strtol(q, NULL, 0);
if (v < 0 || v > 16)
WARN("Invalid value for option 'p': %s", q);
else {
mrec->opt.mapc = v << 16;
}
RELEASE(q);
break;
case 'u': /* ToUnicode */
q = parse_string_value(&p, endptr);
if (q)
mrec->opt.tounicode = q;
else {
WARN("Missing string value for option 'u'.");
return -1;
}
break;
case 'v': /* StemV */
q = parse_integer_value(&p, endptr, 10);
if (!q) {
WARN("Missing a number for 'v' option.");
return -1;
}
mrec->opt.stemv = strtol(q, NULL, 0);
RELEASE(q);
break;
/* Omega uses both single-byte and double-byte set_char command
* even for double-byte OFMs. This confuses CMap decoder.
*/
case 'm':
/* Map single bytes char 0xab to double byte char 0xcdab */
if (p + 4 <= endptr &&
p[0] == '<' && p[3] == '>') {
p++;
q = parse_integer_value(&p, endptr, 16);
if (!q) {
WARN("Invalid value for option 'm'.");
return -1;
} else if (p < endptr && *p != '>') {
WARN("Invalid value for option 'm': %s", q);
RELEASE(q);
return -1;
}
v = strtol(q, NULL, 16);
mrec->opt.mapc = ((v << 8) & 0x0000ff00L);
RELEASE(q); p++;
} else if (p + 4 <= endptr &&
!memcmp(p, "sfd:", strlen("sfd:"))) {
char *r;
const char *rr;
/* SFD mapping: sfd:Big5,00 */
p += 4; skip_blank(&p, endptr);
q = parse_string_value(&p, endptr);
if (!q) {
WARN("Missing value for option 'm'.");
return -1;
}
r = strchr(q, ',');
if (!r) {
WARN("Invalid value for option 'm': %s", q);
RELEASE(q);
return -1;
}
*r = 0; rr = ++r; skip_blank(&rr, r + strlen(r));
if (*rr == '\0') {
WARN("Invalid value for option 'm': %s,", q);
RELEASE(q);
return -1;
}
mrec->charmap.sfd_name = mstrdup(q);
mrec->charmap.subfont_id = mstrdup(rr);
RELEASE(q);
} else if (p + 4 < endptr &&
!memcmp(p, "pad:", strlen("pad:"))) {
p += 4; skip_blank(&p, endptr);
q = parse_integer_value(&p, endptr, 16);
if (!q) {
WARN("Invalid value for option 'm'.");
return -1;
} else if (p < endptr && !isspace(*p)) {
WARN("Invalid value for option 'm': %s", q);
RELEASE(q);
return -1;
}
v = strtol(q, NULL, 16);
mrec->opt.mapc = ((v << 8) & 0x0000ff00L);
RELEASE(q);
} else {
WARN("Invalid value for option 'm'.");
return -1;
}
break;
case 'w': /* Writing mode (for unicode encoding) */
if (!mrec->enc_name ||
strcmp(mrec->enc_name, "unicode")) {
WARN("Fontmap option 'w' meaningless for encoding other than \"unicode\".");
return -1;
}
q = parse_integer_value(&p, endptr, 10);
if (!q) {
WARN("Missing wmode value...");
return -1;
}
if (atoi(q) == 1)
mrec->opt.flags |= FONTMAP_OPT_VERT;
else if (atoi(q) == 0)
mrec->opt.flags &= ~FONTMAP_OPT_VERT;
else {
WARN("Invalid value for option 'w': %s", q);
}
RELEASE(q);
break;
default:
WARN("Unrecognized font map option: '%c'", mopt);
return -1;
break;
}
skip_blank(&p, endptr);
}
if (p < endptr && *p != '\r' && *p != '\n') {
WARN("Invalid char in fontmap line: %c", *p);
return -1;
}
return 0;
}
/* Parse record line in map file of DVIPS/pdfTeX format. */
static int
fontmap_parse_mapdef_dps (fontmap_rec *mrec,
const char *mapdef, const char *endptr)
{
const char *p = mapdef;
char *q;
skip_blank(&p, endptr);
/* The first field (after TFM name) must be PostScript name. */
/* However, pdftex.map allows a line without PostScript name. */
if (*p != '"' && *p != '<') {
if (p < endptr) {
q = parse_string_value(&p, endptr);
if (q) RELEASE(q);
skip_blank(&p, endptr);
} else {
WARN("Missing a PostScript font name.");
return -1;
}
}
if (p >= endptr) return 0;
/* Parse any remaining arguments */
while (p < endptr && *p != '\r' && *p != '\n' && (*p == '<' || *p == '"')) {
switch (*p) {
case '<': /* encoding or fontfile field */
if (++p < endptr && *p == '[') p++; /*skip */
skip_blank(&p, endptr);
if ((q = parse_string_value(&p, endptr))) {
int n = strlen(q);
if (n > 4 && strncmp(q+n-4, ".enc", 4) == 0)
mrec->enc_name = q;
else
mrec->font_name = q;
}
skip_blank(&p, endptr);
break;
case '"': /* Options */
if ((q = parse_string_value(&p, endptr))) {
const char *r = q, *e = q+strlen(q);
char *s, *t;
skip_blank(&r, e);
while (r < e) {
if ((s = parse_float_decimal(&r, e))) {
skip_blank(&r, e);
if ((t = parse_string_value(&r, e))) {
if (strcmp(t, "SlantFont") == 0)
mrec->opt.slant = atof(s);
else if (strcmp(t, "ExtendFont") == 0)
mrec->opt.extend = atof(s);
RELEASE(t);
}
RELEASE(s);
} else if ((s = parse_string_value(&r, e))) { /* skip */
RELEASE(s);
}
skip_blank(&r, e);
}
RELEASE(q);
}
skip_blank(&p, endptr);
break;
default:
WARN("Found an invalid entry: %s", p);
return -1;
break;
}
skip_blank(&p, endptr);
}
if (p < endptr && *p != '\r' && *p != '\n') {
WARN("Invalid char in fontmap line: %c", *p);
return -1;
}
return 0;
}
static struct ht_table *fontmap = NULL;
#define fontmap_invalid(m) (!(m) || !(m)->map_name || !(m)->font_name)
static char *
chop_sfd_name (const char *tex_name, char **sfd_name)
{
char *fontname;
char *p, *q;
int m, n, len;
*sfd_name = NULL;
p = strchr(tex_name, '@');
if (!p ||
p[1] == '\0' || p == tex_name) {
return NULL;
}
m = (int) (p - tex_name);
p++;
q = strchr(p, '@');
if (!q || q == p) {
return NULL;
}
n = (int) (q - p);
q++;
len = strlen(tex_name) - n;
fontname = NEW(len+1, char);
memcpy(fontname, tex_name, m);
fontname[m] = '\0';
if (*q)
strcat(fontname, q);
*sfd_name = NEW(n+1, char);
memcpy(*sfd_name, p, n);
(*sfd_name)[n] = '\0';
return fontname;
}
static char *
make_subfont_name (const char *map_name, const char *sfd_name, const char *sub_id)
{
char *tfm_name;
int n, m;
char *p, *q;
p = strchr(map_name, '@');
if (!p || p == map_name)
return NULL;
m = (int) (p - map_name);
q = strchr(p + 1, '@');
if (!q || q == p + 1)
return NULL;
n = (int) (q - p) + 1; /* including two '@' */
if (strlen(sfd_name) != n - 2 ||
memcmp(p + 1, sfd_name, n - 2))
return NULL;
tfm_name = NEW(strlen(map_name) - n + strlen(sub_id) + 1, char);
memcpy(tfm_name, map_name, m);
tfm_name[m] = '\0';
strcat(tfm_name, sub_id);
if (q[1]) /* not ending with '@' */
strcat(tfm_name, q + 1);
return tfm_name;
}
/* "foo@A@ ..." is expanded to
* fooab ... -m sfd:A,ab
* ...
* fooyz ... -m sfd:A,yz
* where 'ab' ... 'yz' is subfont IDs in SFD 'A'.
*/
int
pdf_append_fontmap_record (const char *kp, const fontmap_rec *vp)
{
fontmap_rec *mrec;
char *fnt_name, *sfd_name = NULL;
if (!kp || fontmap_invalid(vp)) {
WARN("Invalid fontmap record...");
return -1;
}
if (verbose > 3)
MESG("fontmap>> append key=\"%s\"...", kp);
fnt_name = chop_sfd_name(kp, &sfd_name);
if (fnt_name && sfd_name) {
char *tfm_name;
char **subfont_ids;
int n = 0;
subfont_ids = sfd_get_subfont_ids(sfd_name, &n);
if (!subfont_ids)
return -1;
while (n-- > 0) {
tfm_name = make_subfont_name(kp, sfd_name, subfont_ids[n]);
if (!tfm_name)
continue;
mrec = ht_lookup_table(fontmap, tfm_name, strlen(tfm_name));
if (!mrec) {
mrec = NEW(1, fontmap_rec);
pdf_init_fontmap_record(mrec);
mrec->map_name = mstrdup(kp); /* link */
mrec->charmap.sfd_name = mstrdup(sfd_name);
mrec->charmap.subfont_id = mstrdup(subfont_ids[n]);
ht_insert_table(fontmap, tfm_name, strlen(tfm_name), mrec);
}
RELEASE(tfm_name);
}
RELEASE(fnt_name);
RELEASE(sfd_name);
}
mrec = ht_lookup_table(fontmap, kp, strlen(kp));
if (!mrec) {
mrec = NEW(1, fontmap_rec);
pdf_copy_fontmap_record(mrec, vp);
if (mrec->map_name && !strcmp(kp, mrec->map_name)) {
RELEASE(mrec->map_name);
mrec->map_name = NULL;
}
ht_insert_table(fontmap, kp, strlen(kp), mrec);
}
if (verbose > 3)
MESG("\n");
return 0;
}
int
pdf_remove_fontmap_record (const char *kp)
{
char *fnt_name, *sfd_name = NULL;
if (!kp)
return -1;
if (verbose > 3)
MESG("fontmap>> remove key=\"%s\"...", kp);
fnt_name = chop_sfd_name(kp, &sfd_name);
if (fnt_name && sfd_name) {
char *tfm_name;
char **subfont_ids;
int n = 0;
subfont_ids = sfd_get_subfont_ids(sfd_name, &n);
if (!subfont_ids)
return -1;
if (verbose > 3)
MESG("\nfontmap>> Expand @%s@:", sfd_name);
while (n-- > 0) {
tfm_name = make_subfont_name(kp, sfd_name, subfont_ids[n]);
if (!tfm_name)
continue;
if (verbose > 3)
MESG(" %s", tfm_name);
ht_remove_table(fontmap, tfm_name, strlen(tfm_name));
RELEASE(tfm_name);
}
RELEASE(fnt_name);
RELEASE(sfd_name);
}
ht_remove_table(fontmap, kp, strlen(kp));
if (verbose > 3)
MESG("\n");
return 0;
}
int
pdf_insert_fontmap_record (const char *kp, const fontmap_rec *vp)
{
fontmap_rec *mrec;
char *fnt_name, *sfd_name;
if (!kp || fontmap_invalid(vp)) {
WARN("Invalid fontmap record...");
return -1;
}
if (verbose > 3)
MESG("fontmap>> insert key=\"%s\"...", kp);
fnt_name = chop_sfd_name(kp, &sfd_name);
if (fnt_name && sfd_name) {
char *tfm_name;
char **subfont_ids;
int n = 0;
subfont_ids = sfd_get_subfont_ids(sfd_name, &n);
if (!subfont_ids) {
RELEASE(fnt_name);
RELEASE(sfd_name);
return -1;
}
if (verbose > 3)
MESG("\nfontmap>> Expand @%s@:", sfd_name);
while (n-- > 0) {
tfm_name = make_subfont_name(kp, sfd_name, subfont_ids[n]);
if (!tfm_name)
continue;
if (verbose > 3)
MESG(" %s", tfm_name);
mrec = NEW(1, fontmap_rec);
pdf_init_fontmap_record(mrec);
mrec->map_name = mstrdup(kp); /* link to this entry */
mrec->charmap.sfd_name = mstrdup(sfd_name);
mrec->charmap.subfont_id = mstrdup(subfont_ids[n]);
ht_insert_table(fontmap, tfm_name, strlen(tfm_name), mrec);
RELEASE(tfm_name);
}
RELEASE(fnt_name);
RELEASE(sfd_name);
}
mrec = NEW(1, fontmap_rec);
pdf_copy_fontmap_record(mrec, vp);
if (mrec->map_name && !strcmp(kp, mrec->map_name)) {
RELEASE(mrec->map_name);
mrec->map_name = NULL;
}
ht_insert_table(fontmap, kp, strlen(kp), mrec);
if (verbose > 3)
MESG("\n");
return 0;
}
int
pdf_read_fontmap_line (fontmap_rec *mrec, const char *mline, long mline_len, int format)
{
int error;
char *q;
const char *p, *endptr;
ASSERT(mrec);
p = mline;
endptr = p + mline_len;
skip_blank(&p, endptr);
if (p >= endptr)
return -1;
q = parse_string_value(&p, endptr);
if (!q)
return -1;
if (format > 0) /* DVIPDFM format */
error = fontmap_parse_mapdef_dpm(mrec, p, endptr);
else /* DVIPS/pdfTeX format */
error = fontmap_parse_mapdef_dps(mrec, p, endptr);
if (!error) {
char *fnt_name, *sfd_name = NULL;
fnt_name = chop_sfd_name(q, &sfd_name);
if (fnt_name && sfd_name) {
if (!mrec->font_name) {
/* In the case of subfonts, the base name (before the character '@')
* will be used as a font_name by default.
* Otherwise tex_name will be used as a font_name by default.
*/
mrec->font_name = fnt_name;
} else {
RELEASE(fnt_name);
}
if (mrec->charmap.sfd_name)
RELEASE(mrec->charmap.sfd_name);
mrec->charmap.sfd_name = sfd_name ;
}
fill_in_defaults(mrec, q);
}
RELEASE(q);
return error;
}
/* DVIPS/pdfTeX fontmap line if one of the following three cases found:
*
* (1) any line including the character '"'
* (2) any line including the character '<'
* (3) if the line consists of two entries (tfmname and psname)
*
* DVIPDFM fontmap line otherwise.
*/
int
is_pdfm_mapline (const char *mline) /* NULL terminated. */
{
int n = 0;
const char *p, *endptr;
if (strchr(mline, '"') || strchr(mline, '<'))
return -1; /* DVIPS/pdfTeX format */
p = mline;
endptr = p + strlen(mline);
skip_blank(&p, endptr);
while (p < endptr) {
/* Break if '-' preceeded by blanks is found. (DVIPDFM format) */
if (*p == '-') return 1;
for (n++; p < endptr && !ISBLANK(*p); p++);
skip_blank(&p, endptr);
}
/* Two entries: TFM_NAME PS_NAME only (DVIPS format)
* Otherwise (DVIPDFM format) */
return (n == 2 ? 0 : 1);
}
int
pdf_load_fontmap_file (const char *filename, int mode)
{
fontmap_rec *mrec;
FILE *fp;
const char *p = NULL, *endptr;
long llen, lpos = 0;
int error = 0, format = 0;
ASSERT(filename);
ASSERT(fontmap) ;
if (verbose)
MESG("<FONTMAP:%s", filename);
fp = DPXFOPEN(filename, DPX_RES_TYPE_FONTMAP);
if (!fp) {
WARN("Couldn't open font map file \"%s\".", filename);
return -1;
}
while (!error &&
(p = readline(work_buffer, WORK_BUFFER_SIZE, fp)) != NULL) {
int m;
lpos++;
llen = strlen(work_buffer);
endptr = p + llen;
skip_blank(&p, endptr);
if (p == endptr)
continue;
m = is_pdfm_mapline(p);
if (format * m < 0) { /* mismatch */
WARN("Found a mismatched fontmap line %d from %s.", lpos, filename);
WARN("-- Ignore the current input buffer: %s", p);
continue;
} else
format += m;
mrec = NEW(1, fontmap_rec);
pdf_init_fontmap_record(mrec);
/* format > 0: DVIPDFM, format <= 0: DVIPS/pdfTeX */
error = pdf_read_fontmap_line(mrec, p, llen, format);
if (error) {
WARN("Invalid map record in fontmap line %d from %s.", lpos, filename);
WARN("-- Ignore the current input buffer: %s", p);
pdf_clear_fontmap_record(mrec);
RELEASE(mrec);
continue;
} else {
switch (mode) {
case FONTMAP_RMODE_REPLACE:
pdf_insert_fontmap_record(mrec->map_name, mrec);
break;
case FONTMAP_RMODE_APPEND:
pdf_append_fontmap_record(mrec->map_name, mrec);
break;
case FONTMAP_RMODE_REMOVE:
pdf_remove_fontmap_record(mrec->map_name);
break;
}
}
pdf_clear_fontmap_record(mrec);
RELEASE(mrec);
}
DPXFCLOSE(fp);
if (verbose)
MESG(">");
return error;
}
#ifdef XETEX
static int
pdf_insert_native_fontmap_record (const char *name, const char *path, int index, FT_Face face,
int layout_dir, int extend, int slant, int embolden)
{
char *fontmap_key;
fontmap_rec *mrec;
ASSERT(name);
ASSERT(path || face);
fontmap_key = malloc(strlen(name) + 40); // CHECK
sprintf(fontmap_key, "%s/%c/%d/%d/%d", name, layout_dir == 0 ? 'H' : 'V', extend, slant, embolden);
if (verbose)
MESG("<NATIVE-FONTMAP:%s", fontmap_key);
mrec = NEW(1, fontmap_rec);
pdf_init_fontmap_record(mrec);
mrec->map_name = fontmap_key;
mrec->enc_name = mstrdup(layout_dir == 0 ? "Identity-H" : "Identity-V");
mrec->font_name = (path != NULL) ? mstrdup(path) : NULL;
mrec->opt.index = index;
mrec->opt.ft_face = face;
mrec->opt.glyph_widths = NULL;
if (layout_dir != 0)
mrec->opt.flags |= FONTMAP_OPT_VERT;
fill_in_defaults(mrec, fontmap_key);
mrec->opt.extend = extend / 65536.0;
mrec->opt.slant = slant / 65536.0;
mrec->opt.bold = embolden / 65536.0;
pdf_insert_fontmap_record(mrec->map_name, mrec);
pdf_clear_fontmap_record(mrec);
RELEASE(mrec);
if (verbose)
MESG(">");
return 0;
}
static FT_Library ftLib;
static int
pdf_load_native_font_from_path(const char *ps_name, int layout_dir, int extend, int slant, int embolden)
{
const char *p;
char *filename = NEW(strlen(ps_name), char);
char *q = filename;
int index = 0;
FT_Face face = NULL;
int error = -1;
#ifdef WIN32
for (p = ps_name + 1; *p && *p != ']'; ++p) {
if (*p == ':') {
if (p == ps_name+2 && isalpha(*(p-1)) && (*(p+1) == '/' || *(p+1) == '\\'))
*q++ = *p;
else
break;
}
else
*q++ = *p;
}
#else
for (p = ps_name + 1; *p && *p != ':' && *p != ']'; ++p)
*q++ = *p;
#endif
*q = 0;
if (*p == ':') {
++p;
while (*p && *p != ']')
index = index * 10 + *p++ - '0';
}
/* try loading the filename directly */
error = FT_New_Face(ftLib, filename, index, &face);
/* if failed, try locating the file in the TEXMF tree */
if ( error &&
( (q = dpx_find_opentype_file(filename)) != NULL
|| (q = dpx_find_truetype_file(filename)) != NULL
|| (q = dpx_find_type1_file(filename)) != NULL
|| (q = dpx_find_dfont_file(filename)) != NULL) ) {
error = FT_New_Face(ftLib, q, index, &face);
RELEASE(q);
}
if (error == 0)
error = pdf_insert_native_fontmap_record(ps_name, filename, index, face,
layout_dir, extend, slant, embolden);
RELEASE(filename);
return error;
}
int
pdf_load_native_font (const char *ps_name,
const char *fam_name, const char *sty_name,
int layout_dir, int extend, int slant, int embolden)
{
static int sInitialized = 0;
int error = -1;
if (!sInitialized) {
if (FT_Init_FreeType(&ftLib) != 0) {
WARN("FreeType initialization failed.");
return error;
}
sInitialized = 1;
}
if (ps_name[0] == '[') {
error = pdf_load_native_font_from_path(ps_name, layout_dir, extend, slant, embolden);
} else {
ERROR("Loading fonts by font name is not supported: %s", ps_name);
}
return error;
}
#endif /* XETEX */
#if 0
/* tfm_name="dmjhira10", map_name="dmj@DNP@10", sfd_name="DNP"
* --> sub_id="hira"
* Test if tfm_name can be really considered as subfont.
*/
static int
test_subfont (const char *tfm_name, const char *map_name, const char *sfd_name)
{
int r = 0;
char **ids;
int n, m;
char *p = (char *) map_name;
char *q = (char *) tfm_name;
ASSERT( tfm_name && map_name && sfd_name );
/* until first occurence of '@' */
for ( ; *p && *q && *p == *q && *p != '@'; p++, q++);
if (*p != '@')
return 0;
p++;
/* compare sfd_name (should be always true here) */
if (strlen(p) <= strlen(sfd_name) ||
memcmp(p, sfd_name, strlen(sfd_name)) ||
p[strlen(sfd_name)] != '@')
return 0;
/* check tfm_name follows second '@' */
p += strlen(sfd_name) + 1;
if (*p) {
char *r = (char *) tfm_name;
r += strlen(tfm_name) - strlen(p);
if (strcmp(r, p))
return 0;
}
/* Now 'p' is located at next to SFD name terminator
* (second '@') in map_name and 'q' is at first char
* of subfont_id substring in tfm_name.
*/
n = strlen(q) - strlen(p); /* length of subfont_id string */
if (n <= 0)
return 0;
/* check if n-length substring 'q' is valid as subfont ID */
ids = sfd_get_subfont_ids(sfd_name, &m);
if (!ids)
return 0;
while (!r && m-- > 0) {
if (strlen(ids[m]) == n &&
!memcmp(q, ids[m], n)) {
r = 1;
}
}
return r;
}
#endif /* 0 */
fontmap_rec *
pdf_lookup_fontmap_record (const char *tfm_name)
{
fontmap_rec *mrec = NULL;
if (fontmap && tfm_name)
mrec = ht_lookup_table(fontmap, tfm_name, strlen(tfm_name));
return mrec;
}
void
pdf_init_fontmaps (void)
{
fontmap = NEW(1, struct ht_table);
ht_init_table(fontmap, hval_free);
}
void
pdf_close_fontmaps (void)
{
if (fontmap) {
ht_clear_table(fontmap);
RELEASE(fontmap);
}
fontmap = NULL;
release_sfd_record();
}
#if 0
void
pdf_clear_fontmaps (void)
{
pdf_close_fontmaps();
pdf_init_fontmaps();
}
#endif
/* CIDFont options
*
* FORMAT:
*
* (:int:)?!?string(/string)?(,string)?
*/
static char *
substr (const char **str, char stop)
{
char *sstr;
const char *endptr;
endptr = strchr(*str, stop);
if (!endptr || endptr == *str)
return NULL;
sstr = NEW(endptr-(*str)+1, char);
memcpy(sstr, *str, endptr-(*str));
sstr[endptr-(*str)] = '\0';
*str = endptr+1;
return sstr;
}
#include <ctype.h>
#define CID_MAPREC_CSI_DELIM '/'
static char *
strip_options (const char *map_name, fontmap_opt *opt)
{
char *font_name;
const char *p;
char *next = NULL;
int have_csi = 0, have_style = 0;
ASSERT(opt);
p = map_name;
font_name = NULL;
opt->charcoll = NULL;
opt->index = 0;
opt->style = FONTMAP_STYLE_NONE;
opt->flags = 0;
if (*p == ':' && isdigit(*(p+1))) {
opt->index = (int) strtoul(p+1, &next, 10);
if (*next == ':')
p = next + 1;
else {
opt->index = 0;
}
}
if (*p == '!') { /* no-embedding */
if (*(++p) == '\0')
ERROR("Invalid map record: %s (--> %s)", map_name, p);
opt->flags |= FONTMAP_OPT_NOEMBED;
}
if ((next = strchr(p, CID_MAPREC_CSI_DELIM)) != NULL) {
if (next == p)
ERROR("Invalid map record: %s (--> %s)", map_name, p);
font_name = substr(&p, CID_MAPREC_CSI_DELIM);
have_csi = 1;
} else if ((next = strchr(p, ',')) != NULL) {
if (next == p)
ERROR("Invalid map record: %s (--> %s)", map_name, p);
font_name = substr(&p, ',');
have_style = 1;
} else {
font_name = NEW(strlen(p)+1, char);
strcpy(font_name, p);
}
if (have_csi) {
if ((next = strchr(p, ',')) != NULL) {
opt->charcoll = substr(&p, ',');
have_style = 1;
} else if (p[0] == '\0') {
ERROR("Invalid map record: %s.", map_name);
} else {
opt->charcoll = NEW(strlen(p)+1, char);
strcpy(opt->charcoll, p);
}
}
if (have_style) {
if (!strncmp(p, "BoldItalic", 10)) {
if (*(p+10))
ERROR("Invalid map record: %s (--> %s)", map_name, p);
opt->style = FONTMAP_STYLE_BOLDITALIC;
} else if (!strncmp(p, "Bold", 4)) {
if (*(p+4))
ERROR("Invalid map record: %s (--> %s)", map_name, p);
opt->style = FONTMAP_STYLE_BOLD;
} else if (!strncmp(p, "Italic", 6)) {
if (*(p+6))
ERROR("Invalid map record: %s (--> %s)", map_name, p);
opt->style = FONTMAP_STYLE_ITALIC;
}
}
return font_name;
}
#if DPXTEST
static void
dump_fontmap_rec (const char *key, const fontmap_rec *mrec)
{
fontmap_opt *opt = (fontmap_opt *) &mrec->opt;
if (mrec->map_name)
fprintf(stdout, " <!-- subfont");
else
fprintf(stdout, " <insert");
fprintf(stdout, " id=\"%s\"", key);
if (mrec->map_name)
fprintf(stdout, " map-name=\"%s\"", mrec->map_name);
if (mrec->enc_name)
fprintf(stdout, " enc-name=\"%s\"", mrec->enc_name);
if (mrec->font_name)
fprintf(stdout, " font-name=\"%s\"", mrec->font_name);
if (mrec->charmap.sfd_name && mrec->charmap.subfont_id) {
fprintf(stdout, " charmap=\"sfd:%s,%s\"",
mrec->charmap.sfd_name, mrec->charmap.subfont_id);
}
if (opt->slant != 0.0)
fprintf(stdout, " font-slant=\"%g\"", opt->slant);
if (opt->extend != 1.0)
fprintf(stdout, " font-extend=\"%g\"", opt->extend);
if (opt->charcoll)
fprintf(stdout, " glyph-order=\"%s\"", opt->charcoll);
if (opt->tounicode)
fprintf(stdout, " tounicode=\"%s\"", opt->tounicode);
if (opt->index != 0)
fprintf(stdout, " ttc-index=\"%d\"", opt->index);
if (opt->flags & FONTMAP_OPT_NOEMBED)
fprintf(stdout, " embedding=\"no\"");
if (opt->mapc >= 0) {
fprintf(stdout, " charmap=\"pad:");
if (opt->mapc > 0xffff)
fprintf(stdout, "%02x %02x", (opt->mapc >> 16) & 0xff, (opt->mapc >> 8) & 0xff);
else
fprintf(stdout, "%02x", (opt->mapc >> 8) & 0xff);
fprintf(stdout, "\"");
}
if (opt->flags & FONTMAP_OPT_VERT)
fprintf(stdout, " writing-mode=\"vertical\"");
if (opt->style != FONTMAP_STYLE_NONE) {
fprintf(stdout, " font-style=\"");
switch (opt->style) {
case FONTMAP_STYLE_BOLD:
fprintf(stdout, "bold");
break;
case FONTMAP_STYLE_ITALIC:
fprintf(stdout, "italic");
break;
case FONTMAP_STYLE_BOLDITALIC:
fprintf(stdout, "bolditalic");
break;
}
fprintf(stdout, "\"");
}
if (mrec->map_name)
fprintf(stdout, " / -->\n");
else
fprintf(stdout, " />\n");
}
void
dump_fontmaps (void)
{
struct ht_iter iter;
fontmap_rec *mrec;
char key[128], *kp;
int kl;
if (!fontmap)
return;
fprintf(stdout, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
fprintf(stdout, "<!DOCTYPE fontmap SYSTEM \"fontmap.dtd\">\n");
fprintf(stdout, "<fontmap id=\"%s\">\n", "foo");
if (ht_set_iter(fontmap, &iter) == 0) {
do {
kp = ht_iter_getkey(&iter, &kl);
mrec = ht_iter_getval(&iter);
if (kl > 127)
continue;
memcpy(key, kp, kl); key[kl] = 0;
dump_fontmap_rec(key, mrec);
} while (!ht_iter_next(&iter));
}
ht_clear_iter(&iter);
fprintf(stdout, "</fontmap>\n");
return;
}
void
test_fontmap_help (void)
{
fprintf(stdout, "usage: fontmap [options] [mapfile...]\n");
fprintf(stdout, "-l, --lookup string\n");
fprintf(stdout, " Lookup fontmap entry for 'string' after loading mapfile(s).\n");
}
int
test_fontmap_main (int argc, char *argv[])
{
int i;
char *key = NULL;
for (;;) {
int c, optidx = 0;
static struct option long_options[] = {
{"lookup", 1, 0, 'l'},
{"help", 0, 0, 'h'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, "l:h", long_options, &optidx);
if (c == -1)
break;
switch (c) {
case 'l':
key = optarg;
break;
case 'h':
test_fontmap_help();
return 0;
break;
default:
test_fontmap_help();
return -1;
break;
}
}
pdf_init_fontmaps();
for (i = optind; i < argc; i++)
pdf_load_fontmap_file(argv[i], FONTMAP_RMODE_REPLACE);
if (key == NULL)
dump_fontmaps();
else {
fontmap_rec *mrec;
mrec = pdf_lookup_fontmap_record(key);
if (mrec)
dump_fontmap_rec(key, mrec);
else {
WARN("Fontmap entry \"%s\" not found.", key);
}
}
pdf_close_fontmaps();
return 0;
}
#endif /* DPXTEST */
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