fz_error * pdf_storeitem(pdf_store *store, pdf_itemkind kind, fz_obj *key, void *val) { fz_error *error; switch (kind) { case PDF_KCOLORSPACE: fz_keepcolorspace(val); break; case PDF_KFUNCTION: pdf_keepfunction(val); break; case PDF_KXOBJECT: pdf_keepxobject(val); break; case PDF_KIMAGE: fz_keepimage(val); break; case PDF_KPATTERN: pdf_keeppattern(val); break; case PDF_KSHADE: fz_keepshade(val); break; case PDF_KCMAP: pdf_keepcmap(val); break; case PDF_KFONT: fz_keepfont(val); break; } if (fz_isindirect(key)) { struct refkey item; pdf_logrsrc("store item %d: %d %d R = %p\n", kind, fz_tonum(key), fz_togen(key), val); item.kind = kind; item.oid = fz_tonum(key); item.gen = fz_togen(key); error = fz_hashinsert(store->hash, &item, val); if (error) return error; } else { pdf_item *item; item = fz_malloc(sizeof(pdf_item)); if (!item) return fz_outofmem; pdf_logrsrc("store item %d: ... = %p\n", kind, val); item->kind = kind; item->key = fz_keepobj(key); item->val = val; item->next = store->root; store->root = item; } return nil; }
static void keepitem(pdf_itemkind kind, void *val) { switch (kind) { case PDF_KCOLORSPACE: fz_keepcolorspace(val); break; case PDF_KFUNCTION: pdf_keepfunction(val); break; case PDF_KXOBJECT: pdf_keepxobject(val); break; case PDF_KIMAGE: fz_keepimage(val); break; case PDF_KPATTERN: pdf_keeppattern(val); break; case PDF_KSHADE: fz_keepshade(val); break; case PDF_KCMAP: pdf_keepcmap(val); break; case PDF_KFONT: pdf_keepfont(val); break; } }
/* * Load CMap stream in PDF file */ fz_error pdf_loadembeddedcmap(pdf_cmap **cmapp, pdf_xref *xref, fz_obj *stmref) { fz_error error = fz_okay; fz_obj *stmobj; fz_stream *file = nil; pdf_cmap *cmap = nil; pdf_cmap *usecmap; fz_obj *wmode; fz_obj *obj; if ((*cmapp = pdf_finditem(xref->store, PDF_KCMAP, stmref))) { pdf_keepcmap(*cmapp); return fz_okay; } pdf_logfont("load embedded cmap (%d %d R) {\n", fz_tonum(stmref), fz_togen(stmref)); stmobj = fz_resolveindirect(stmref); error = pdf_openstream(&file, xref, fz_tonum(stmref), fz_togen(stmref)); if (error) { error = fz_rethrow(error, "cannot open cmap stream"); goto cleanup; } error = pdf_parsecmap(&cmap, file); if (error) { error = fz_rethrow(error, "cannot parse cmap stream"); goto cleanup; } fz_dropstream(file); wmode = fz_dictgets(stmobj, "WMode"); if (fz_isint(wmode)) { pdf_logfont("wmode %d\n", wmode); pdf_setwmode(cmap, fz_toint(wmode)); } obj = fz_dictgets(stmobj, "UseCMap"); if (fz_isname(obj)) { pdf_logfont("usecmap /%s\n", fz_toname(obj)); error = pdf_loadsystemcmap(&usecmap, fz_toname(obj)); if (error) { error = fz_rethrow(error, "cannot load system usecmap '%s'", fz_toname(obj)); goto cleanup; } pdf_setusecmap(cmap, usecmap); pdf_dropcmap(usecmap); } else if (fz_isindirect(obj)) { pdf_logfont("usecmap (%d %d R)\n", fz_tonum(obj), fz_togen(obj)); error = pdf_loadembeddedcmap(&usecmap, xref, obj); if (error) { error = fz_rethrow(error, "cannot load embedded usecmap"); goto cleanup; } pdf_setusecmap(cmap, usecmap); pdf_dropcmap(usecmap); } pdf_logfont("}\n"); error = pdf_storeitem(xref->store, PDF_KCMAP, stmref, cmap); if (error) { error = fz_rethrow(error, "cannot store cmap resource"); goto cleanup; } *cmapp = cmap; return fz_okay; cleanup: if (file) fz_dropstream(file); if (cmap) pdf_dropcmap(cmap); return error; /* already rethrown */ }