/* The caller guarantees that *op is a dictionary. */
int
build_gs_primitive_font(i_ctx_t *i_ctx_p, os_ptr op, gs_font_base ** ppfont,
font_type ftype, gs_memory_type_ptr_t pstype,
const build_proc_refs * pbuild,
build_font_options_t options)
{
ref *pcharstrings = 0;
ref CharStrings;
gs_font_base *pfont;
font_data *pdata;
int code;
if (dict_find_string(op, "CharStrings", &pcharstrings) <= 0) {
if (!(options & bf_CharStrings_optional))
return_error(e_invalidfont);
} else {
ref *ignore;
if (!r_has_type(pcharstrings, t_dictionary))
return_error(e_invalidfont);
if ((options & bf_notdef_required) != 0 &&
dict_find_string(pcharstrings, ".notdef", &ignore) <= 0
)
return_error(e_invalidfont);
/*
* Since build_gs_simple_font may resize the dictionary and cause
* pointers to become invalid, save CharStrings.
*/
CharStrings = *pcharstrings;
}
code = build_gs_outline_font(i_ctx_p, op, ppfont, ftype, pstype, pbuild,
options, build_gs_simple_font);
if (code != 0)
return code;
pfont = *ppfont;
pdata = pfont_data(pfont);
if (pcharstrings)
ref_assign(&pdata->CharStrings, &CharStrings);
else
make_null(&pdata->CharStrings);
/* Check that the UniqueIDs match. This is part of the */
/* Adobe protection scheme, but we may as well emulate it. */
if (uid_is_valid(&pfont->UID) &&
!dict_check_uid_param(op, &pfont->UID)
)
uid_set_invalid(&pfont->UID);
if (uid_is_valid(&pfont->UID)) {
const gs_font *pfont0 = (const gs_font *)pfont;
code = gs_font_find_similar(ifont_dir, &pfont0,
font_with_same_UID_and_another_metrics);
if (code < 0)
return code; /* Must not happen. */
if (code)
uid_set_invalid(&pfont->UID);
}
return 0;
}
int
build_gs_FDArray_font(i_ctx_t *i_ctx_p, ref *op,
gs_font_base **ppfont,
font_type ftype, gs_memory_type_ptr_t pstype,
const build_proc_refs * pbuild)
{
gs_font_base *pfont;
font_data *pdata;
int code = build_gs_outline_font(i_ctx_p, op, &pfont, ftype, pstype,
pbuild, bf_options_none,
build_FDArray_sub_font);
static const double bbox[4] = { 0, 0, 0, 0 };
gs_uid uid;
if (code < 0)
return code;
pdata = pfont_data(pfont);
/* Fill in members normally set by build_gs_primitive_font. */
make_null(&pdata->CharStrings);
/* Fill in members normally set by build_gs_simple_font. */
uid_set_invalid(&uid);
init_gs_simple_font(pfont, bbox, &uid);
pfont->encoding_index = ENCODING_INDEX_UNKNOWN;
pfont->nearest_encoding_index = ENCODING_INDEX_UNKNOWN;
/* Fill in members normally set by build_gs_font. */
pfont->key_name = pfont->font_name;
*ppfont = pfont;
return 0;
}
/* Initialize a generic pattern template. */
void
gs_pattern_common_init(gs_pattern_template_t * ppat,
const gs_pattern_type_t *type)
{
ppat->type = type;
ppat->PatternType = type->PatternType;
uid_set_invalid(&ppat->uid);
ppat->client_data = 0; /* for GC */
}
/* The caller guarantees that *op is a dictionary. */
int
build_gs_simple_font(i_ctx_t *i_ctx_p, os_ptr op, gs_font_base ** ppfont,
font_type ftype, gs_memory_type_ptr_t pstype,
const build_proc_refs * pbuild,
build_font_options_t options)
{
double bbox[4];
gs_uid uid;
int code;
gs_font_base *pfont;
uint space = ialloc_space(idmemory);
code = font_bbox_param(imemory, op, bbox);
if (code < 0)
return code;
/*
* Make sure that we allocate uid
* in the same VM as the font dictionary
* (see build_gs_sub_font).
*/
ialloc_set_space(idmemory, r_space(op));
code = dict_uid_param(op, &uid, 0, imemory, i_ctx_p);
ialloc_set_space(idmemory, space);
if (code < 0)
return code;
if ((options & bf_UniqueID_ignored) && uid_is_UniqueID(&uid))
uid_set_invalid(&uid);
code = build_gs_font(i_ctx_p, op, (gs_font **) ppfont, ftype, pstype,
pbuild, options);
if (code != 0) /* invalid or scaled font */
return code;
pfont = *ppfont;
pfont->procs.init_fstack = gs_default_init_fstack;
pfont->procs.define_font = gs_no_define_font;
pfont->procs.decode_glyph = gs_font_map_glyph_to_unicode;
pfont->procs.make_font = zbase_make_font;
pfont->procs.next_char_glyph = gs_default_next_char_glyph;
pfont->FAPI = 0;
pfont->FAPI_font_data = 0;
init_gs_simple_font(pfont, bbox, &uid);
lookup_gs_simple_font_encoding(pfont);
get_GlyphNames2Unicode(i_ctx_p, (gs_font *)pfont, op);
return 0;
}
/* If there is no uid, return default. */
int
dict_uid_param(const ref * pdict, gs_uid * puid, int defaultval,
gs_memory_t * mem, const i_ctx_t *i_ctx_p)
{
ref *puniqueid;
if (pdict == 0) {
uid_set_invalid(puid);
return defaultval;
}
/* In a Level 2 environment, check for XUID first. */
if (level2_enabled &&
dict_find_string(pdict, "XUID", &puniqueid) > 0
) {
long *xvalues;
uint size, i;
if (!r_has_type(puniqueid, t_array))
return_error(e_typecheck);
size = r_size(puniqueid);
if (size == 0)
return_error(e_rangecheck);
xvalues = (long *)gs_alloc_byte_array(mem, size, sizeof(long),
"get XUID");
if (xvalues == 0)
return_error(e_VMerror);
/* Get the values from the XUID array. */
for (i = 0; i < size; i++) {
const ref *pvalue = puniqueid->value.const_refs + i;
if (!r_has_type(pvalue, t_integer)) {
gs_free_object(mem, xvalues, "get XUID");
return_error(e_typecheck);
}
xvalues[i] = pvalue->value.intval;
}
uid_set_XUID(puid, xvalues, size);
return 1;
}
/* If no UniqueID entry, set the UID to invalid, */
/* because UniqueID need not be present in all fonts, */
/* and if it is, the legal range is 0 to 2^24-1. */
if (dict_find_string(pdict, "UniqueID", &puniqueid) <= 0) {
uid_set_invalid(puid);
return defaultval;
} else {
if (!r_has_type(puniqueid, t_integer))
return_error(e_typecheck);
if (puniqueid->value.intval < 0 || puniqueid->value.intval > 0xffffff)
return_error(e_rangecheck);
/* Apparently fonts created by Fontographer often have */
/* a UniqueID of 0, contrary to Adobe's specifications. */
/* Treat 0 as equivalent to -1 (no UniqueID). */
if (puniqueid->value.intval == 0) {
uid_set_invalid(puid);
return defaultval;
} else
uid_set_UniqueID(puid, puniqueid->value.intval);
}
return 0;
}
