pdc_bool
pdf_get_metrics_tt(PDF *p, pdf_font *font, const char *fontname,
pdc_encoding enc, const char *filename)
{
pdc_bool logg1 = pdc_logg_is_enabled(p->pdc, 1, trc_font);
pdc_bool logg2 = pdc_logg_is_enabled(p->pdc, 2, trc_font);
int filesize = 0;
double kbfilesize = 0;
int foundglyphs, flags = 0;
tt_file *ttf;
pdc_bool retval;
pdc_encoding enc_req;
pdc_encodingvector *ev = NULL;
pdc_bool isotf;
int errcode = 0;
(void) logg2;
/*
* Initialisation
*/
ttf = fnt_new_tt(p->pdc, &font->ft);
ttf->filename = filename;
ttf->fontname = fontname;
ttf->verbose = font->verbose;
ttf->incore = pdc_true;
ttf->monospace = font->opt.monospace;
filesize = font->ft.filelen;
kbfilesize = filesize / 1024.0;
/*
* Read font file
*/
retval = fnt_read_tt(ttf);
if (retval == pdc_false)
goto PDF_TRUETYPE_ERROR2;
/*
* Font type
*/
if (ttf->tab_CFF_)
{
isotf = pdc_true;
font->ft.m.type = fnt_Type1C;
font->cff_offset = (long) ttf->tab_CFF_->offset;
font->cff_length = ttf->tab_CFF_->length;
}
else
{
isotf = pdc_false;
font->ft.m.type = fnt_TrueType;
TT_IOCHECK(ttf, tt_tag2idx(ttf, fnt_str_glyf) != -1);
TT_IOCHECK(ttf, tt_tag2idx(ttf, fnt_str_loca) != -1);
}
/* Number of Glyphs */
if (ttf->numGlyphs <= 1)
{
errcode = FNT_E_TT_NOGLYFDESC;
goto PDF_TRUETYPE_ERROR1;
}
/*
* Encoding
*/
if (isotf)
{
/* OpenType font with CFF table */
if (ttf->charcoll != cc_none)
{
/* CID font */
if (font->ft.m.charcoll != cc_none)
{
if (!ttf->regisadobe)
{
errcode = PDF_E_CJK_UNSUPP_REGISTRY;
goto PDF_TRUETYPE_ERROR1;
}
if (font->ft.m.charcoll != ttf->charcoll)
{
errcode = PDF_E_CJK_UNSUPP_CHARCOLL;
goto PDF_TRUETYPE_ERROR1;
}
if (font->outcmapname != NULL)
enc = pdc_cid;
if (logg1)
pdc_logg(p->pdc, "\tCID font ordering: \"%s\"\n",
fnt_get_ordering_cid(ttf->charcoll));
}
else if (enc == pdc_unicode || enc == pdc_glyphid)
{
font->ft.m.charcoll = ttf->charcoll;
font->supplement = ttf->supplement;
}
else
{
errcode = PDF_E_FONT_ONLY_CMAP;
goto PDF_TRUETYPE_ERROR1;
}
}
else if (font->ft.m.charcoll != cc_none)
{
/* SID font */
errcode = PDF_E_FONT_UNSUPP_CMAP;
goto PDF_TRUETYPE_ERROR1;
}
}
else
{
if (font->ft.m.charcoll != cc_none)
{
int i;
pdc_bool iscjk = pdc_false;
for (i = 0; i < PDC_NUMCHARCOLL; i++)
{
if (ttf->tab_OS_2->charcolls[i])
iscjk = pdc_true;
if (ttf->tab_OS_2->charcolls[i] == font->ft.m.charcoll)
break;
}
if (i == PDC_NUMCHARCOLL)
{
if (iscjk)
{
/* CJK font */
errcode = PDF_E_CJK_UNSUPP_CHARCOLL;
goto PDF_TRUETYPE_ERROR1;
}
else
{
/* no CJK font */
errcode = PDF_E_FONT_UNSUPP_CMAP;
goto PDF_TRUETYPE_ERROR1;
}
}
else
{
if (font->outcmapname != NULL)
{
ttf->charcoll = font->ft.m.charcoll;
enc = pdc_cid;
}
}
}
}
/* encoding vector */
enc_req = fnt_get_tt_encoding_key(ttf, enc);
if (enc_req == pdc_invalidenc)
{
errcode = FNT_E_TT_BADCMAP;
goto PDF_TRUETYPE_ERROR1;
}
else if (enc_req != enc)
{
if (strcmp(font->encapiname, "auto"))
{
pdc_warning(p->pdc, PDF_E_FONT_FORCEENC,
pdf_get_encoding_name(p, enc_req, NULL),
0, 0, 0);
}
enc = enc_req;
}
if (enc >= 0)
ev = pdc_get_encoding_vector(p->pdc, enc);
font->ft.enc = enc;
font->ft.issymbfont = ttf->issymbol;
font->hasnomac = !ttf->tab_cmap || !ttf->tab_cmap->mac;
/* builtin encoding */
if (enc == pdc_builtin)
{
if (font->ft.issymbfont == pdc_false)
{
errcode = PDF_E_FONT_BADENC;
goto PDF_TRUETYPE_ERROR1;
}
else
{
/* encoding vector for builtin */
ev = pdf_create_font_encoding(p, enc, font, fontname, pdc_true);
font->symenc = font->ft.enc;
}
}
{
/* optimizing PDF output */
if (enc == pdc_ebcdic ||
enc == pdc_ebcdic_37 ||
enc == pdc_ebcdic_winansi)
font->towinansi = pdc_winansi;
}
/* /FontName in FontDescriptor */
font->ft.m.name = pdc_strdup(p->pdc, ttf->tab_name->englishname4);
/* /BaseFont name */
font->ft.name = pdc_strdup(p->pdc, ttf->tab_name->englishname6);
#define PDF_RESTRICTED_TT_EMBEDDING 0x02
/* check embedding flags */
if ((font->opt.embedding) && ttf->tab_OS_2 &&
ttf->tab_OS_2->fsType == PDF_RESTRICTED_TT_EMBEDDING)
{
errcode = FNT_E_TT_EMBED;
goto PDF_TRUETYPE_ERROR1;
}
if (logg1)
{
pdc_logg(p->pdc,
"\tFull font name: \"%s\"\n"
"\tPostScript font name: \"%s\"\n"
"\tFont embedding: %s\n"
"\tVertical font: %s\n",
font->ft.name, font->ft.m.name,
PDC_BOOLSTR(font->opt.embedding),
PDC_BOOLSTR(font->ft.vertical));
if (ttf->tab_name->producer != NULL)
pdc_logg(p->pdc, "\tFont producer: \"%s\"\n",
ttf->tab_name->producer);
pdc_logg(p->pdc, "\tNumber of Glyphs: %d\n", ttf->numGlyphs);
}
/* Save font values */
fnt_set_tt_fontvalues(ttf);
/* Flags for creating font arrays */
flags = TT_FONT_code2gid | TT_FONT_m_widths;
/* Create font mapping and width arrays */
foundglyphs = fnt_set_tt_fontarrays(ttf, flags);
/***********************************/
if (font->symenc != pdc_invalidenc)
font->ft.enc = pdc_builtin;
/***********************************/
if (!foundglyphs)
{
errcode = PDF_E_FONT_BADENC;
goto PDF_TRUETYPE_ERROR1;
}
fnt_delete_tt(ttf);
if (!pdf_make_fontflag(p, font))
return pdc_false;
return pdc_true;
PDF_TRUETYPE_ERROR1:
pdc_set_errmsg(p->pdc, errcode, 0, 0, 0, 0);
PDF_TRUETYPE_ERROR2:
fnt_delete_tt(ttf);
return pdc_false;
}
/*
** Returns CMap slot and for standard CJK fonts: fontandle.
**
** pdc_invalidenc: predefined CMap not found
** pdc_cid or pdc_unicode: predefined CMap found
**
** *o_slot:
** >= 0: standard font found
** < 0: |error code|
*/
pdc_bool
pdf_handle_cidfont(PDF *p, const char *fontname, const char *encoding,
pdc_encoding enc, pdf_font *font, int *o_slot,
pdc_encoding *newenc)
{
const char *encapiname = encoding;
fnt_cmap_info cmapinfo;
const fnt_font_metric *fontmetric;
pdc_bool isidentity = pdc_false;
pdc_bool isstdfont = pdc_false;
pdc_bool iscjkcp = pdc_false;
int charcoll, slot;
(void) enc;
(void) iscjkcp;
(void) encapiname;
*o_slot = -1;
*newenc = pdc_invalidenc;
/*
* Look whether font is already in the cache.
* If font with same name and encoding is found,
* returns its slot number.
*/
for (slot = 0; slot < p->fonts_number; slot++)
{
if (p->fonts[slot].ft.enc == pdc_cid &&
p->fonts[slot].opt.fontstyle == font->opt.fontstyle &&
p->fonts[slot].opt.embedding == font->opt.embedding &&
!strcmp(p->fonts[slot].apiname, fontname) &&
!strcmp(p->fonts[slot].ft.cmapname, encoding))
{
*o_slot = slot;
*newenc = pdc_cid;
return pdc_true;
}
}
/* Check the requested CMap */
charcoll = fnt_get_predefined_cmap_info(encoding, &cmapinfo);
if (charcoll == (int) cc_none)
return pdc_true;
pdc_logg_cond(p->pdc, 1, trc_font,
"\tPredefined CMap \"%s\" found\n", encoding);
/* Check whether this CMap is supported in the desired PDF version */
if (cmapinfo.compatibility > p->compatibility)
{
pdc_set_errmsg(p->pdc, PDF_E_DOC_PDFVERSION,
encoding, pdc_get_pdfversion(p->pdc, p->compatibility), 0, 0);
return pdc_false;
}
/* For Unicode capable language wrappers only UCS2/UTF16 CMaps allowed */
if (cmapinfo.codesize == 0 && p->pdc->unicaplang)
{
pdc_set_errmsg(p->pdc, PDF_E_FONT_NEEDUCS2, 0, 0, 0, 0);
return pdc_false;
}
/* Check whether the font name is among the known Acrobat CJK fonts */
charcoll = fnt_get_preinstalled_cidfont(fontname, &fontmetric);
isidentity = cmapinfo.charcoll == (int) cc_identity;
if (isidentity)
cmapinfo.charcoll = abs(charcoll);
/* known Acrobat CID font */
if (charcoll != (int) cc_none)
{
pdc_logg_cond(p->pdc, 1, trc_font,
"\tStandard CJK font \"%s\" found\n", fontname);
/* Selected CMap and known standard font don't match */
if ((cmapinfo.charcoll != abs(charcoll) ||
(charcoll == (int) cc_japanese && cmapinfo.codesize == -2)))
{
pdc_set_errmsg(p->pdc, PDF_E_CJK_UNSUPP_CHARCOLL,
0, 0, 0, 0);
return pdc_false;
}
isstdfont = pdc_true;
/* Embedding not possible */
if (font->opt.embedding)
{
pdc_set_errmsg(p->pdc, PDF_E_FONT_EMBEDCMAP, 0, 0, 0, 0);
return pdc_false;
}
}
#ifdef WIN32
else if (iscjkcp && !p->pdc->ptfrun)
{
return pdc_true;
}
#endif
/* embedding check */
if (!pdf_check_font_embedding(p, font, fontname))
return pdc_false;
/* supplement number, number of codes = (maximal) number of CIDs */
font->supplement = fnt_get_supplement(&cmapinfo, p->compatibility);
if (isidentity)
font->supplement = -1;
font->ft.numcodes = fnt_get_maxcid(cmapinfo.charcoll, font->supplement) + 1;
{
font->passthrough = pdc_true;
font->codesize = 0;
}
/* CMap and default settings */
font->ft.vertical = cmapinfo.vertical;
font->ft.cmapname = pdc_strdup(p->pdc, encoding);
if (font->outcmapname == NULL)
font->outcmapname = pdc_strdup(p->pdc, encoding);
font->ft.enc = pdc_cid;
font->iscidfont = pdc_true;
/* Fill up the font struct */
fnt_fill_font_metric(p->pdc, &font->ft, pdc_false, fontmetric);
/* CID widths not available */
font->widthsmissing = pdc_true;
pdc_logg_cond(p->pdc, 1, trc_font,
"\n\t%s CJK font: \"%s\"\n\tPredefined CMap: \"%s\"\n"
"\tOrdering: \"%s\"\n\tSupplement: %d\n",
font->ft.isstdfont ? "Adobe Standard" : "Custom", fontname, encoding,
fnt_get_ordering_cid(font->ft.m.charcoll), font->supplement);
*newenc = pdc_cid;
return pdc_true;
}
