void
readttf(Font *fnt, Boolean quiet, Boolean only_range)
{
TT_Error error;
ttfinfo *ti, *Ti;
long Num, index;
unsigned int i, j;
long k, max_k;
unsigned short num_cmap;
unsigned short cmap_plat, cmap_enc;
int index_array[257];
static Boolean initialized = False;
TT_UShort in_string[2];
TTO_GSUB_String in, out;
TT_UShort script_index, language_index, feature_index;
TT_UShort req_feature_index = 0xFFFF;
/*
* We allocate a placeholder boundary and the `.notdef' character.
*/
if (!only_range)
{
ti = newchar(fnt);
ti->charcode = -1;
ti->adobename = ".notdef";
ti = newchar(fnt);
ti->charcode = -1;
ti->adobename = "||"; /* boundary character name */
}
/*
* Initialize FreeType engine.
*/
if (!initialized)
{
if ((error = TT_Init_FreeType(&engine)))
oops("Cannot initialize engine (error code = 0x%x).", error);
if ((error = TT_Init_Kerning_Extension(engine)))
oops("Cannot initialize kerning (error code = 0x%x).", error);
if (fnt->PSnames)
if ((error = TT_Init_Post_Extension(engine)))
oops("Cannot initialize PS name support (error code = 0x%x).", error);
if (fnt->rotate)
if ((error = TT_Init_GSUB_Extension(engine)))
oops("Cannot initialize GSUB support (error code = 0x%x).", error);
/*
* Load face.
*/
real_ttfname = TeX_search_ttf_file(&(fnt->ttfname));
if (!real_ttfname)
oops("Cannot find `%s'.", fnt->ttfname);
if ((error = TT_Open_Face(engine, real_ttfname, &face)))
oops("Cannot open `%s'.", real_ttfname);
/*
* Get face properties and allocate preload arrays.
*/
TT_Get_Face_Properties(face, &properties);
/*
* Now we try to open the proper font in a collection.
*/
if (fnt->fontindex != 0)
{
if (properties.num_Faces == 1)
{
warning("This isn't a TrueType collection.\n"
"Parameter `-f' is ignored.");
fnt->fontindex = 0;
fnt->fontindexparam = NULL;
}
else
{
TT_Close_Face(face);
if ((error = TT_Open_Collection(engine, real_ttfname,
fnt->fontindex, &face)))
oops("Cannot open font %lu in TrueType Collection `%s'.",
fnt->fontindex, real_ttfname);
}
}
/*
* Create instance.
*/
if ((error = TT_New_Instance(face, &instance)))
oops("Cannot create instance for `%s' (error code = 0x%x).",
real_ttfname, error);
/*
* We use a dummy glyph size of 10pt.
*/
if ((error = TT_Set_Instance_CharSize(instance, 10 * 64)))
oops("Cannot set character size (error code = 0x%x).", error);
matrix1.xx = (TT_Fixed)(floor(fnt->efactor * 1024) * (1L<<16)/1024);
matrix1.xy = (TT_Fixed)(floor(fnt->slant * 1024) * (1L<<16)/1024);
matrix1.yx = (TT_Fixed)0;
matrix1.yy = (TT_Fixed)(1L<<16);
if (fnt->rotate)
{
matrix2.xx = 0;
matrix2.yx = 1L << 16;
matrix2.xy = -matrix2.yx;
matrix2.yy = matrix2.xx;
}
if ((error = TT_Set_Instance_Transform_Flags(
instance,
fnt->rotate ? 1 : 0,
fnt->efactor != 1.0 ? 1 : 0)))
oops("Cannot set transform flags (error code = 0x%x).", error);
/*
* Create glyph container.
*/
if ((error = TT_New_Glyph(face, &glyph)))
oops("Cannot create glyph container (error code = 0x%x).", error);
fnt->units_per_em = properties.header->Units_Per_EM;
fnt->fixedpitch = properties.postscript->isFixedPitch;
fnt->italicangle = properties.postscript->italicAngle / 65536.0;
if (fnt->PSnames != Only)
{
num_cmap = properties.num_CharMaps;
for (i = 0; i < num_cmap; i++)
{
if ((error = TT_Get_CharMap_ID(face, i, &cmap_plat, &cmap_enc)))
oops("Cannot query cmap (error code = 0x%x).", error);
if (cmap_plat == fnt->pid && cmap_enc == fnt->eid)
break;
}
if (i == num_cmap)
{
fprintf(stderr, "%s: ERROR: Invalid platform and/or encoding ID.\n",
progname);
if (num_cmap == 1)
fprintf(stderr, " The only valid PID/EID pair is");
else
fprintf(stderr, " Valid PID/EID pairs are:\n");
for (i = 0; i < num_cmap; i++)
{
TT_Get_CharMap_ID(face, i, &cmap_plat, &cmap_enc);
fprintf(stderr, " (%i,%i)\n", cmap_plat, cmap_enc);
}
fprintf(stderr, "\n");
exit(1);
}
if ((error = TT_Get_CharMap(face, i, &char_map)))
oops("Cannot load cmap (error code = 0x%x).", error);
}
if (fnt->PSnames)
{
if ((error = TT_Load_PS_Names(face, &post)))
oops("Cannot load TrueType PS names (error code = 0x%x).", error);
}
else if (cmap_plat == Microsoft_platform &&
cmap_enc == Microsoft_Unicode_encoding)
set_encoding_scheme(encUnicode, fnt);
else if (cmap_plat == Macintosh_platform &&
cmap_enc == Macintosh_encoding)
set_encoding_scheme(encMac, fnt);
else
set_encoding_scheme(encFontSpecific, fnt);
if (fnt->rotate)
{
gsub = &gsub_;
error = TT_Load_GSUB_Table(face, gsub, NULL);
if (!error)
has_gsub = True;
else if (error != TT_Err_Table_Missing)
warning("Cannot load GSUB table (error code = 0x%x).", error);
else
warning("No GSUB data available "
"for vertical glyph presentation forms.");
/* we check for the `vert' feature in Chinese, Japanese, and Korean */
error = TT_GSUB_Select_Script(gsub,
SCRIPT_kana,
&script_index);
if (error)
goto check_hani;
error = TT_GSUB_Select_Feature(gsub,
FEATURE_vert,
script_index,
0xFFFF,
&feature_index);
if (error)
{
error = TT_GSUB_Select_Language(gsub,
LANGUAGE_JAN,
script_index,
&language_index,
&req_feature_index);
if (error)
goto check_hani;
error = TT_GSUB_Select_Feature(gsub,
FEATURE_vert,
script_index,
language_index,
&feature_index);
if (error)
goto check_hani;
else
goto Done;
}
else
goto Done;
check_hani:
error = TT_GSUB_Select_Script(gsub,
SCRIPT_hani,
&script_index);
if (error)
goto check_hang;
error = TT_GSUB_Select_Feature(gsub,
FEATURE_vert,
script_index,
0xFFFF,
&feature_index);
if (error)
{
error = TT_GSUB_Select_Language(gsub,
LANGUAGE_CHN,
script_index,
&language_index,
&req_feature_index);
if (error)
goto check_hang;
error = TT_GSUB_Select_Feature(gsub,
FEATURE_vert,
script_index,
language_index,
&feature_index);
if (error)
goto check_hang;
else
goto Done;
}
else
goto Done;
check_hang:
error = TT_GSUB_Select_Script(gsub,
SCRIPT_hang,
&script_index);
if (error)
goto Done;
error = TT_GSUB_Select_Feature(gsub,
FEATURE_vert,
script_index,
0xFFFF,
&feature_index);
if (error)
{
error = TT_GSUB_Select_Language(gsub,
LANGUAGE_KOR,
script_index,
&language_index,
&req_feature_index);
if (error)
goto Done;
error = TT_GSUB_Select_Feature(gsub,
FEATURE_vert,
script_index,
language_index,
&feature_index);
}
Done:
if (error)
{
warning("There is no data for vertical typesetting in GSUB table.");
has_gsub = False;
}
if (req_feature_index != 0xFFFF)
TT_GSUB_Add_Feature(gsub, req_feature_index, ALL_GLYPHS);
TT_GSUB_Add_Feature(gsub, feature_index, ALL_GLYPHS);
in.length = 1;
in.pos = 0;
in.string = in_string;
in.properties = NULL;
out.pos = 0;
out.allocated = 0;
out.string = NULL;
out.properties = NULL;
}
initialized = True;
}
if (!quiet)
{
if (only_range)
printf("\n\n%s:\n", fnt->fullname);
printf("\n");
printf("Glyph Code Glyph Name ");
printf("Width llx lly urx ury\n");
printf("---------------------------------------");
printf("---------------------------------\n");
}
/*
* We load only glyphs with a valid cmap entry. Nevertheless, for
* the default mapping, we use the first 256 glyphs addressed by
* ascending code points, followed by glyphs not in the cmap.
*
* If we compute a range, we take the character codes given in
* the fnt->sf_code array.
*
* If the -N flag is set, no cmap is used at all. Instead, the
* first 256 glyphs (with a valid PS name) are used for the default
* mapping.
*/
if (!only_range)
for (i = 0; i < 257; i++)
index_array[i] = 0;
else
for (i = 0; i < 256; i++)
fnt->inencptrs[i] = 0;
j = 0;
if (fnt->PSnames == Only)
max_k = properties.num_Glyphs - 1;
else
max_k = only_range ? 0xFF : 0x16FFFF;
for (k = 0; k <= max_k; k++)
{
char *an;
if (fnt->PSnames != Only)
{
if (only_range)
{
index = fnt->sf_code[k];
if (index < 0)
continue;
j = k;
}
else
index = k;
Num = TT_Char_Index(char_map, index);
/* now we try to get a vertical glyph form */
if (has_gsub)
{
in_string[0] = Num;
error = TT_GSUB_Apply_String(gsub, &in, &out);
if (error && error != TTO_Err_Not_Covered)
warning("Cannot get the vertical glyph form for glyph index %d.",
Num);
else
Num = out.string[0];
}
if (Num < 0)
oops("Failure on cmap mapping from %s.", fnt->ttfname);
if (Num == 0)
continue;
if (!only_range)
if (Num <= 256)
index_array[Num] = 1;
}
else
{
Num = k;
index = 0;
}
error = TT_Load_Glyph(instance, glyph, Num, 0);
if (!error)
error = TT_Get_Glyph_Big_Metrics(glyph, &metrics);
if (!error)
error = TT_Get_Glyph_Outline(glyph, &outline);
if (!error)
{
if (fnt->efactor != 1.0 || fnt->slant != 0.0 )
TT_Transform_Outline(&outline, &matrix1);
if (fnt->rotate)
TT_Transform_Outline(&outline, &matrix2);
}
if (!error)
error = TT_Get_Outline_BBox(&outline, &bbox); /* we need the non-
grid-fitted bbox */
if (!error)
{
if (fnt->PSnames)
(void)TT_Get_PS_Name(face, Num, &an);
else
an = code_to_adobename(index);
/* ignore characters not usable for typesetting with TeX */
if (strcmp(an, ".notdef") == 0)
continue;
if (strcmp(an, ".null") == 0)
continue;
if (strcmp(an, "nonmarkingreturn") == 0)
continue;
ti = newchar(fnt);
ti->charcode = index;
ti->glyphindex = Num;
ti->adobename = an;
ti->llx = bbox.xMin * 1000 / fnt->units_per_em;
ti->lly = bbox.yMin * 1000 / fnt->units_per_em;
ti->urx = bbox.xMax * 1000 / fnt->units_per_em;
ti->ury = bbox.yMax * 1000 / fnt->units_per_em;
/*
* We must now shift the rotated character both horizontally
* and vertically. The vertical amount is 25% by default.
*/
if (fnt->rotate)
{
ti->llx += (metrics.vertBearingY - bbox.xMin) *
1000 / fnt->units_per_em;
ti->lly -= 1000 * fnt->y_offset;
ti->urx += (metrics.vertBearingY - bbox.xMin) *
1000 / fnt->units_per_em;
ti->ury -= 1000 * fnt->y_offset;
}
/*
* We need to avoid negative heights or depths. They break accents
* in math mode, among other things.
*/
if (ti->lly > 0)
ti->lly = 0;
if (ti->ury < 0)
ti->ury = 0;
if (fnt->rotate)
ti->width = metrics.vertAdvance * 1000 / fnt->units_per_em;
else
ti->width = transform(metrics.horiAdvance * 1000 / fnt->units_per_em,
0, fnt->efactor, fnt->slant);
if (!quiet)
printf("%5ld %05lx %-25s %5d % 5d,% 5d -- % 5d,% 5d\n",
Num, index, ti->adobename,
ti->width,
ti->llx, ti->lly, ti->urx, ti->ury);
if (j < 256)
{
fnt->inencptrs[j] = ti;
ti->incode = j;
}
j++;
}
}
/*
* Now we load glyphs without a cmap entry, provided some slots are
* still free -- we skip this if we have to compute a range or use
* PS names.
*/
if (!only_range && !fnt->PSnames)
{
for (i = 1; i <= properties.num_Glyphs; i++)
{
char *an;
if (index_array[i] == 0)
{
error = TT_Load_Glyph(instance, glyph, i, 0);
if (!error)
error = TT_Get_Glyph_Big_Metrics(glyph, &metrics);
if (!error)
error = TT_Get_Glyph_Outline(glyph, &outline);
if (!error)
error = TT_Get_Outline_BBox(&outline, &bbox);
if (!error)
{
an = code_to_adobename(i | 0x1000000);
ti = newchar(fnt);
ti->charcode = i | 0x1000000;
ti->glyphindex = i;
ti->adobename = an;
ti->llx = bbox.xMin * 1000 / fnt->units_per_em;
ti->lly = bbox.yMin * 1000 / fnt->units_per_em;
ti->urx = bbox.xMax * 1000 / fnt->units_per_em;
ti->ury = bbox.yMax * 1000 / fnt->units_per_em;
if (ti->lly > 0)
ti->lly = 0;
if (ti->ury < 0)
ti->ury = 0;
ti->width = transform(metrics.horiAdvance*1000 / fnt->units_per_em,
0, fnt->efactor, fnt->slant);
if (!quiet)
printf("%5d %-25s %5d % 5d,% 5d -- % 5d,% 5d\n",
i, ti->adobename,
ti->width,
ti->llx, ti->lly, ti->urx, ti->ury);
if (j < 256)
{
fnt->inencptrs[j] = ti;
ti->incode = j;
}
else
break;
j++;
}
}
}
}
/* Finally, we construct a `Germandbls' glyph if necessary */
if (!only_range)
{
if (NULL == findadobe("Germandbls", fnt->charlist) &&
NULL != (Ti = findadobe("S", fnt->charlist)))
{
pcc *np, *nq;
ti = newchar(fnt);
ti->charcode = properties.num_Glyphs | 0x1000000;
ti->glyphindex = properties.num_Glyphs;
ti->adobename = "Germandbls";
ti->width = Ti->width << 1;
ti->llx = Ti->llx;
ti->lly = Ti->lly;
ti->urx = Ti->width + Ti->urx;
ti->ury = Ti->ury;
ti->kerns = Ti->kerns;
np = newpcc();
np->partname = "S";
nq = newpcc();
nq->partname = "S";
nq->xoffset = Ti->width;
np->next = nq;
ti->pccs = np;
ti->constructed = True;
if (!quiet)
printf("* %-25s %5d % 5d,% 5d -- % 5d,% 5d\n",
ti->adobename,
ti->width,
ti->llx, ti->lly, ti->urx, ti->ury);
}
}
/* kerning between subfonts isn't available */
if (!only_range)
readttf_kern(fnt);
}
int
main(int argc, char** argv)
{
size_t l;
unsigned int i;
long index, code;
FILE *config_file;
char *configline, *oldconfigline, *p, *q;
Font font;
encoding *enc;
long inenc_array[256];
char *fontname;
size_t fontname_len;
char *pk_filename, *tfm_filename, *enc_filename, *cfg_filename;
char *real_ttfname, *real_cfg_filename;
int dpi = 0, ptsize;
Boolean hinting = True;
Boolean quiet = False;
Boolean no_dpi = False;
Boolean testing = False;
TeX_search_init(argv[0], "ttf2pk", "TTF2PK");
if (argc == 1)
oops("Need at least two arguments.\n"
"Try `ttf2pk --help' for more information.");
if (argc == 2)
{
if (strcmp(argv[1], "--help") == 0)
usage();
else if (strcmp(argv[1], "--version") == 0)
version();
}
while (argv[1][0] == '-')
{
if (argv[1][1] == 'q')
quiet = True;
else if (argv[1][1] == 'n')
no_dpi = True;
else if (argv[1][1] == 't')
testing = True;
else
oops("Unknown option `%s'.\n"
"Try `ttf2pk --help' for more information.", argv[1]);
argv++;
argc--;
}
if (testing)
{
if (argc != 2)
oops("Need exactly one parameter for `-t' option.\n"
"Try `ttf2pk --help' for more information.");
}
else if (argc != 3)
oops("Need at most two arguments.\n"
"Try `ttf2pk --help' for more information.");
if (!quiet)
printf("This is %s\n", ident);
if (!testing)
if ((dpi = atoi(argv[2])) <= 50)
oops("dpi value must be larger than 50.");
fontname = argv[1];
fontname_len = strlen(fontname);
enc_filename = NULL;
ptsize = 10;
init_font_structure(&font);
cfg_filename = newstring("ttfonts.map");
real_cfg_filename = TeX_search_config_file(&cfg_filename);
if (!real_cfg_filename)
oops("Cannot find file ttfonts.map.");
config_file = fopen(real_cfg_filename, "rt");
if (config_file == NULL)
oops("Cannot open file ttfonts.map.");
do
{
configline = get_line(config_file);
if (!configline)
oops("Error while reading ttfonts.map.");
if (!*configline)
{
/*
* This is the only error message we suppress if the -q flag
* is set, making it possible to call ttf2pk silently.
*/
if (!quiet)
fprintf(stdout,
"%s: ERROR: Cannot find font %s in ttfonts.map.\n",
progname, fontname);
exit(2);
}
} while (compare(&font, configline, fontname));
fclose(config_file);
if (testing)
{
if (!quiet)
fprintf(stdout, "%s\n", configline);
exit(0);
}
/*
* Parse the line from the config file. We split the config line buffer
* into substrings according to the given options.
*/
l = strlen(configline);
if (configline[l - 1] == '\n')
configline[l - 1] = '\0'; /* strip newline */
oldconfigline = newstring(configline);
p = configline;
while (isspace(*p))
p++;
while (*p && !isspace(*p))
p++;
q = p;
while (*p && isspace(*p))
p++;
if (!*p)
boops(oldconfigline, q - configline, "TTF file missing.");
font.ttfname = p;
while (*p && !isspace(*p))
p++;
if (*p)
*p++ = '\0';
for (; *p; p++)
{
if (isspace(*p))
continue;
if (!strncmp(p, "Slant", 5))
{
p = strip_equal(configline, oldconfigline, p + 5);
if (sscanf(p, "%f", &(font.slant)) == 0)
boops(oldconfigline, p - configline, "Bad `Slant' parameter.");
}
else if (!strncmp(p, "Encoding", 8))
{
if (have_sfd)
boops(oldconfigline, p - configline,
"No `Encoding' parameter allowed for subfonts.");
p = strip_equal(configline, oldconfigline, p + 8);
if (!*p)
boops(oldconfigline, p - configline, "Bad `Encoding' parameter.");
enc_filename = p;
}
else if (!strncmp(p, "Extend", 6))
{
p = strip_equal(configline, oldconfigline, p + 6);
if (sscanf(p, "%f", &(font.efactor)) == 0)
boops(oldconfigline, p - configline, "Bad `Extend' parameter.");
}
else if (!strncmp(p, "Fontindex", 9))
{
p = strip_equal(configline, oldconfigline, p + 9);
if (sscanf(p, "%lu", &(font.fontindex)) < 0)
boops(oldconfigline, p - configline, "Bad `Fontindex' parameter.");
}
else if (!strncmp(p, "Pid", 3))
{
p = strip_equal(configline, oldconfigline, p + 3);
if (sscanf(p, "%hu", &(font.pid)) < 0)
boops(oldconfigline, p - configline, "Bad `Pid' parameter.");
have_pid = True;
}
else if (!strncmp(p, "Eid", 3))
{
p = strip_equal(configline, oldconfigline, p + 3);
if (sscanf(p, "%hu", &(font.eid)) < 0)
boops(oldconfigline, p - configline, "Bad `Eid' parameter.");
have_eid = True;
}
else if (!strncmp(p, "Hinting", 7))
{
p = strip_equal(configline, oldconfigline, p + 7);
if (p[1] == 'N' || p[1] == 'n' ||
p[0] == 'Y' || p[1] == 'y' ||
p[0] == '1')
hinting = True;
else if (p[1] == 'F' || p[1] == 'f' ||
p[0] == 'N' || p[1] == 'n' ||
p[0] == '0')
hinting = False;
else
boops(oldconfigline, p - configline, "Bad `Hinting' parameter.");
}
else if (!strncmp(p, "PS", 2))
{
p = strip_equal(configline, oldconfigline, p + 2);
if (p[1] != '\0' &&
(p[2] == 'l' || p[2] == 'L'))
font.PSnames = Only;
else if (p[1] == 'N' || p[1] == 'n' ||
p[0] == 'Y' || p[0] == 'y' ||
p[0] == '1')
font.PSnames = Yes;
else if (p[1] == 'F' || p[1] == 'f' ||
p[0] == 'N' || p[0] == 'n' ||
p[0] == '0')
font.PSnames = No;
else
boops(oldconfigline, p - configline, "Bad `PS' parameter.");
if (have_sfd)
boops(oldconfigline, p - configline,
"No `PS' parameter allowed for subfonts.");
}
else if (!strncmp(p, "Rotate", 6))
{
p = strip_equal(configline, oldconfigline, p + 6);
if (p[1] == 'N' || p[1] == 'n' ||
p[0] == 'Y' || p[1] == 'y' ||
p[0] == '1')
font.rotate = True;
else if (p[1] == 'F' || p[1] == 'f' ||
p[0] == 'N' || p[1] == 'n' ||
p[0] == '0')
font.rotate = False;
else
boops(oldconfigline, p - configline, "Bad `Rotate' parameter.");
if (!have_sfd)
boops(oldconfigline, p - configline,
"No `Rotate' parameter allowed for non-subfonts.");
}
else if (!strncmp(p, "Y-Offset", 8))
{
p = strip_equal(configline, oldconfigline, p + 8);
if (sscanf(p, "%f", &(font.y_offset)) == 0)
boops(oldconfigline, p - configline, "Bad `Y-Offset' parameter.");
}
else if (!strncmp(p, "Replacement", 11))
{
p = strip_equal(configline, oldconfigline, p + 11);
if (!*p)
boops(oldconfigline, p - configline, "Bad `Replacement' parameter.");
font.replacementname = p;
}
else
{
char *new_name, *old_name;
stringlist *sl;
old_name = p;
while (*p && !isspace(*p) && *p != '=')
p++;
q = p;
p = strip_equal(configline, oldconfigline, p);
*q = '\0';
new_name = p;
while (*p && !isspace(*p))
p++;
if (*p)
*p++ = '\0';
sl = newstringlist();
sl->new_name = new_name;
sl->old_name = old_name;
sl->next = font.replacements;
font.replacements = sl;
p--; /* to make the next while loop work */
}
while (*p && !isspace(*p))
p++;
if (*p)
*p = '\0';
}
if (font.PSnames == Only)
if (have_pid || have_eid)
boops(oldconfigline, 0,
"No `Pid' or `Eid' parameters allowed if `PS=Only' is set.");
font.replacementname = newstring(font.replacementname);
get_replacements(&font);
tfm_filename = newstring(fontname);
TFMopen(&tfm_filename);
pk_filename = mymalloc(fontname_len + 10);
if (no_dpi)
sprintf(pk_filename, "%s.pk", fontname);
else
sprintf(pk_filename, "%s.%dpk", fontname, dpi);
PKopen(pk_filename, fontname, dpi);
font.ttfname = newstring(font.ttfname);
real_ttfname = TeX_search_ttf_file(&(font.ttfname));
if (!real_ttfname)
oops("Cannot find `%s'.", font.ttfname);
TTFopen(real_ttfname, &font, dpi, ptsize, quiet);
enc_filename = newstring(enc_filename);
enc = readencoding(&enc_filename, &font, True);
if (enc)
{
char *name;
restore_glyph(enc, &font);
for (i = 0; i <= 0xFF; i++)
{
name = enc->vec[i];
if (!font.PSnames)
{
code = adobename_to_code(name);
if (code < 0 && strcmp(name, ".notdef") != 0)
warning("Cannot map character `%s'.", name);
inenc_array[i] = code;
}
else
{
/* we search the glyph index */
index = TTFsearch_PS_name(name);
if (index < 0)
warning("Cannot map character `%s'.", name);
inenc_array[i] = index | 0x10000;
}
}
}
else
{
if (font.replacements)
warning("Replacement glyphs will be ignored.");
if (have_sfd)
TTFget_subfont(&font, inenc_array);
else
/* get the table of glyph names too */
enc = TTFget_first_glyphs(&font, inenc_array);
}
for (i = 0; i <= 0xFF; i++)
{
byte *bitmap;
int w, h, hoff, voff;
if ((code = inenc_array[i]) >= 0)
{
if (!quiet)
{
printf("Processing glyph %3ld %s index 0x%04x %s\n",
(long)i, (code >= 0x10000) ? "glyph" : "code",
(unsigned int)(code & 0xFFFF), enc ? enc->vec[i] : "");
fflush(stdout);
}
if (TTFprocess(&font, code,
&bitmap, &w, &h, &hoff, &voff, hinting, quiet))
PKputglyph(i,
-hoff, -voff, w - hoff, h - voff,
w, h, bitmap);
else
warning("Cannot render glyph with %s index 0x%x.",
(code >= 0x10000) ? "glyph" : "code",
(unsigned int)(code & 0xFFFF));
}
}
PKclose();
exit(0); /* for safety reasons */
return 0; /* never reached */
}
void
readttf(Font *fnt, Boolean quiet, Boolean only_range)
{
FT_Error error;
ttfinfo *ti, *Ti;
long Num, index;
unsigned int i, j;
long k, max_k;
int index_array[257];
static Boolean initialized = False;
/*
* We allocate a placeholder boundary and the `.notdef' character.
*/
if (!only_range)
{
ti = newchar(fnt);
ti->charcode = -1;
ti->adobename = ".notdef";
ti = newchar(fnt);
ti->charcode = -1;
ti->adobename = "||"; /* boundary character name */
}
/*
* Initialize FreeType engine.
*/
if (!initialized)
{
/*
* We use a dummy glyph size of 10pt.
*/
dpi = 92;
ptsize = 10 * 64;
real_ttfname = TeX_search_ttf_file(&(fnt->ttfname));
if (!real_ttfname)
oops("Cannot find `%s'.", fnt->ttfname);
FTopen(real_ttfname, fnt, True, True);
initialized = True;
}
if (!quiet)
{
if (only_range)
printf("\n\n%s:\n", fnt->fullname);
printf("\n");
printf("Glyph Code Glyph Name ");
printf("Width llx lly urx ury\n");
printf("----------------------------------------");
printf("---------------------------------\n");
}
/*
* We load only glyphs with a valid cmap entry. Nevertheless, for
* the default mapping, we use the first 256 glyphs addressed by
* ascending code points, followed by glyphs not in the cmap.
*
* If we compute a range, we take the character codes given in
* the fnt->sf_code array.
*
* If the -N flag is set, no cmap is used at all. Instead, the
* first 256 glyphs (with a valid PS name) are used for the default
* mapping.
*/
if (!only_range)
for (i = 0; i < 257; i++)
index_array[i] = 0;
else
for (i = 0; i < 256; i++)
fnt->inencptrs[i] = 0;
j = 0;
if (fnt->PSnames == Only)
max_k = face->num_glyphs - 1;
else
max_k = only_range ? 0xFF : 0x16FFFF;
for (k = 0; k <= max_k; k++)
{
char buff[128];
const char *an;
if (fnt->PSnames != Only)
{
if (only_range)
{
index = fnt->sf_code[k];
if (index < 0)
continue;
j = k;
}
else
index = k;
Num = FT_Get_Char_Index(face, index);
/* now we try to get a vertical glyph form */
if (has_gsub)
Num = Get_Vert(Num);
if (Num < 0)
oops("Failure on cmap mapping from %s.", fnt->ttfname);
if (Num == 0)
continue;
if (!only_range)
if (Num <= 256)
index_array[Num] = 1;
}
else
{
Num = k;
index = 0;
}
error = FT_Load_Glyph(face, Num, flags);
if (!error)
{
if (fnt->efactor != 1.0 || fnt->slant != 0.0 )
FT_Outline_Transform(&face->glyph->outline, &matrix1);
if (fnt->rotate)
FT_Outline_Transform(&face->glyph->outline, &matrix2);
error = FT_Outline_Get_BBox(&face->glyph->outline, &bbox); /* we need the non-
grid-fitted bbox */
}
if (!error)
{
if (fnt->PSnames)
{
(void)FT_Get_Glyph_Name(face, Num, buff, 128);
an = newstring(buff);
}
else
an = code_to_adobename(index);
/* ignore characters not usable for typesetting with TeX */
if (strcmp(an, ".notdef") == 0)
continue;
if (strcmp(an, ".null") == 0)
continue;
if (strcmp(an, "nonmarkingreturn") == 0)
continue;
ti = newchar(fnt);
ti->charcode = index;
ti->glyphindex = Num;
ti->adobename = an;
ti->llx = bbox.xMin * 1000 / fnt->units_per_em;
ti->lly = bbox.yMin * 1000 / fnt->units_per_em;
ti->urx = bbox.xMax * 1000 / fnt->units_per_em;
ti->ury = bbox.yMax * 1000 / fnt->units_per_em;
ti->fntnum = fnt->subfont_num;
/*
* We must now shift the rotated character both horizontally
* and vertically. The vertical amount is 25% by default.
*/
if (fnt->rotate)
{
ti->llx += (face->glyph->metrics.vertBearingY - bbox.xMin) *
1000 / fnt->units_per_em;
ti->lly -= 1000 * fnt->y_offset;
ti->urx += (face->glyph->metrics.vertBearingY - bbox.xMin) *
1000 / fnt->units_per_em;
ti->ury -= 1000 * fnt->y_offset;
}
/*
* We need to avoid negative heights or depths. They break accents
* in math mode, among other things.
*/
if (ti->lly > 0)
ti->lly = 0;
if (ti->ury < 0)
ti->ury = 0;
if (fnt->rotate)
ti->width = face->glyph->metrics.vertAdvance * 1000 / fnt->units_per_em;
else
ti->width = transform(face->glyph->metrics.horiAdvance * 1000 / fnt->units_per_em,
0, fnt->efactor, fnt->slant);
if (!quiet)
printf("%5ld %05lx %-25s %5d % 5d,% 5d -- % 5d,% 5d\n",
Num, index, ti->adobename,
ti->width,
ti->llx, ti->lly, ti->urx, ti->ury);
if (j < 256)
{
fnt->inencptrs[j] = ti;
ti->incode = j;
}
j++;
}
}
/*
* Now we load glyphs without a cmap entry, provided some slots are
* still free -- we skip this if we have to compute a range or use
* PS names.
*/
if (!only_range && !fnt->PSnames)
{
for (i = 1; i <= face->num_glyphs; i++)
{
const char *an;
if (index_array[i] == 0)
{
error = FT_Load_Glyph(face, i, flags);
if (!error)
error = FT_Outline_Get_BBox(&face->glyph->outline, &bbox);
if (!error)
{
an = code_to_adobename(i | 0x1000000);
ti = newchar(fnt);
ti->charcode = i | 0x1000000;
ti->glyphindex = i;
ti->adobename = an;
ti->llx = bbox.xMin * 1000 / fnt->units_per_em;
ti->lly = bbox.yMin * 1000 / fnt->units_per_em;
ti->urx = bbox.xMax * 1000 / fnt->units_per_em;
ti->ury = bbox.yMax * 1000 / fnt->units_per_em;
if (ti->lly > 0)
ti->lly = 0;
if (ti->ury < 0)
ti->ury = 0;
ti->width = transform(face->glyph->metrics.horiAdvance*1000 / fnt->units_per_em,
0, fnt->efactor, fnt->slant);
if (!quiet)
printf("%5d %-25s %5d % 5d,% 5d -- % 5d,% 5d\n",
i, ti->adobename,
ti->width,
ti->llx, ti->lly, ti->urx, ti->ury);
if (j < 256)
{
fnt->inencptrs[j] = ti;
ti->incode = j;
}
else
break;
j++;
}
}
}
}
/* Finally, we construct a `Germandbls' glyph if necessary */
if (!only_range)
{
if (NULL == findadobe("Germandbls", fnt->charlist) &&
NULL != (Ti = findadobe("S", fnt->charlist)))
{
pcc *np, *nq;
ti = newchar(fnt);
ti->charcode = face->num_glyphs | 0x1000000;
ti->glyphindex = face->num_glyphs;
ti->adobename = "Germandbls";
ti->width = Ti->width << 1;
ti->llx = Ti->llx;
ti->lly = Ti->lly;
ti->urx = Ti->width + Ti->urx;
ti->ury = Ti->ury;
ti->kerns = Ti->kerns;
np = newpcc();
np->partname = "S";
nq = newpcc();
nq->partname = "S";
nq->xoffset = Ti->width;
np->next = nq;
ti->pccs = np;
ti->constructed = True;
if (!quiet)
printf("* %-25s %5d % 5d,% 5d -- % 5d,% 5d\n",
ti->adobename,
ti->width,
ti->llx, ti->lly, ti->urx, ti->ury);
}
}
/* kerning between subfonts isn't available */
if (!only_range)
readttf_kern(fnt);
}