fz_error
pdf_loadfontdescriptor(pdf_fontdesc *fontdesc, pdf_xref *xref, fz_obj *dict, char *collection)
{
fz_error error;
fz_obj *obj1, *obj2, *obj3, *obj;
fz_rect bbox;
char *fontname;
pdf_logfont("load fontdescriptor {\n");
fontname = fz_toname(fz_dictgets(dict, "FontName"));
pdf_logfont("fontname '%s'\n", fontname);
fontdesc->flags = fz_toint(fz_dictgets(dict, "Flags"));
fontdesc->italicangle = fz_toreal(fz_dictgets(dict, "ItalicAngle"));
fontdesc->ascent = fz_toreal(fz_dictgets(dict, "Ascent"));
fontdesc->descent = fz_toreal(fz_dictgets(dict, "Descent"));
fontdesc->capheight = fz_toreal(fz_dictgets(dict, "CapHeight"));
fontdesc->xheight = fz_toreal(fz_dictgets(dict, "XHeight"));
fontdesc->missingwidth = fz_toreal(fz_dictgets(dict, "MissingWidth"));
bbox = pdf_torect(fz_dictgets(dict, "FontBBox"));
pdf_logfont("bbox [%g %g %g %g]\n",
bbox.x0, bbox.y0,
bbox.x1, bbox.y1);
pdf_logfont("flags %d\n", fontdesc->flags);
obj1 = fz_dictgets(dict, "FontFile");
obj2 = fz_dictgets(dict, "FontFile2");
obj3 = fz_dictgets(dict, "FontFile3");
obj = obj1 ? obj1 : obj2 ? obj2 : obj3;
if (getenv("NOFONT"))
obj = nil;
if (fz_isindirect(obj))
{
error = pdf_loadembeddedfont(fontdesc, xref, obj);
if (error)
{
fz_catch(error, "ignored error when loading embedded font, attempting to load system font");
error = pdf_loadsystemfont(fontdesc, fontname, collection);
if (error)
return fz_rethrow(error, "cannot load font descriptor");
}
}
else
{
error = pdf_loadsystemfont(fontdesc, fontname, collection);
if (error)
return fz_rethrow(error, "cannot load font descriptor");
}
pdf_logfont("}\n");
return fz_okay;
}
fz_error
pdf_loadfontdescriptor(pdf_fontdesc *fontdesc, pdf_xref *xref, fz_obj *dict, char *collection, char *basefont)
{
fz_error error;
fz_obj *obj1, *obj2, *obj3, *obj;
fz_rect bbox;
char *fontname;
char *origname;
pdf_logfont("load fontdescriptor {\n");
/* cf. http://code.google.com/p/sumatrapdf/issues/detail?id=1014 */
if (!strchr(basefont, ',') || strchr(basefont, '+'))
origname = fz_toname(fz_dictgets(dict, "FontName"));
else
origname = basefont;
fontname = cleanfontname(origname);
pdf_logfont("fontname %s -> %s\n", origname, fontname);
fontdesc->flags = fz_toint(fz_dictgets(dict, "Flags"));
fontdesc->italicangle = fz_toreal(fz_dictgets(dict, "ItalicAngle"));
fontdesc->ascent = fz_toreal(fz_dictgets(dict, "Ascent"));
fontdesc->descent = fz_toreal(fz_dictgets(dict, "Descent"));
fontdesc->capheight = fz_toreal(fz_dictgets(dict, "CapHeight"));
fontdesc->xheight = fz_toreal(fz_dictgets(dict, "XHeight"));
fontdesc->missingwidth = fz_toreal(fz_dictgets(dict, "MissingWidth"));
bbox = pdf_torect(fz_dictgets(dict, "FontBBox"));
pdf_logfont("bbox [%g %g %g %g]\n", bbox.x0, bbox.y0, bbox.x1, bbox.y1);
pdf_logfont("flags %d\n", fontdesc->flags);
obj1 = fz_dictgets(dict, "FontFile");
obj2 = fz_dictgets(dict, "FontFile2");
obj3 = fz_dictgets(dict, "FontFile3");
obj = obj1 ? obj1 : obj2 ? obj2 : obj3;
if (getenv("NOFONT"))
obj = nil;
if (fz_isindirect(obj))
{
error = pdf_loadembeddedfont(fontdesc, xref, obj);
if (error)
{
fz_catch(error, "ignored error when loading embedded font, attempting to load system font");
if (origname != fontname)
error = pdf_loadbuiltinfont(fontdesc, fontname);
else
error = pdf_loadsystemfont(fontdesc, fontname, collection);
if (error)
return fz_rethrow(error, "cannot load font descriptor (%d %d R)", fz_tonum(dict), fz_togen(dict));
}
}
else
{
if (origname != fontname && 0 /* SumatraPDF: prefer system fonts to the built-in ones */)
error = pdf_loadbuiltinfont(fontdesc, fontname);
else
error = pdf_loadsystemfont(fontdesc, fontname, collection);
if (error)
return fz_rethrow(error, "cannot load font descriptor (%d %d R)", fz_tonum(dict), fz_togen(dict));
}
fz_strlcpy(fontdesc->font->name, fontname, sizeof fontdesc->font->name);
pdf_logfont("}\n");
return fz_okay;
}
fz_error *
pdf_loadfontdescriptor(pdf_font *font, pdf_xref *xref, fz_obj *desc, char *collection)
{
fz_error *error;
fz_obj *obj1, *obj2, *obj3, *obj;
fz_rect bbox;
char *fontname;
error = pdf_resolve(&desc, xref);
if (error)
return fz_rethrow(error, "cannot find font descriptor");
pdf_logfont("load fontdescriptor {\n");
obj = fz_dictgets(desc, "FontName");
if (error)
return fz_rethrow(error, "cannot resolve FontName");
fontname = fz_toname(obj);
pdf_logfont("fontname %s\n", fontname);
font->flags = fz_toint(fz_dictgets(desc, "Flags"));
font->italicangle = fz_toreal(fz_dictgets(desc, "ItalicAngle"));
font->ascent = fz_toreal(fz_dictgets(desc, "Ascent"));
font->descent = fz_toreal(fz_dictgets(desc, "Descent"));
font->capheight = fz_toreal(fz_dictgets(desc, "CapHeight"));
font->xheight = fz_toreal(fz_dictgets(desc, "XHeight"));
font->missingwidth = fz_toreal(fz_dictgets(desc, "MissingWidth"));
bbox = pdf_torect(fz_dictgets(desc, "FontBBox"));
pdf_logfont("bbox [%g %g %g %g]\n",
bbox.x0, bbox.y0,
bbox.x1, bbox.y1);
pdf_logfont("flags %d\n", font->flags);
obj1 = fz_dictgets(desc, "FontFile");
obj2 = fz_dictgets(desc, "FontFile2");
obj3 = fz_dictgets(desc, "FontFile3");
obj = obj1 ? obj1 : obj2 ? obj2 : obj3;
if (getenv("NOFONT"))
obj = nil;
if (fz_isindirect(obj))
{
error = pdf_loadembeddedfont(font, xref, obj);
if (error)
goto cleanup;
}
else
{
error = pdf_loadsystemfont(font, fontname, collection);
if (error)
goto cleanup;
}
fz_dropobj(desc);
pdf_logfont("}\n");
return fz_okay;
cleanup:
fz_dropobj(desc);
return fz_rethrow(error, "cannot load font descriptor");
}
