static int font_with_same_UID_and_another_metrics(const gs_font *pfont0, const gs_font *pfont1)
{
const gs_font_base *pbfont0 = (const gs_font_base *)pfont0;
const gs_font_base *pbfont1 = (const gs_font_base *)pfont1;
if (uid_equal(&pbfont0->UID, &pbfont1->UID)) {
const ref *pfdict0 = &pfont_data(gs_font_parent(pbfont0))->dict;
const ref *pfdict1 = &pfont_data(gs_font_parent(pbfont1))->dict;
ref *pmdict0, *pmdict1;
if (pbfont0->WMode || dict_find_string(pfdict0, "Metrics", &pmdict0) <= 0)
pmdict0 = NULL;
if (pbfont1->WMode || dict_find_string(pfdict1, "Metrics", &pmdict1) <= 0)
pmdict1 = NULL;
if (!pmdict0 != !pmdict1)
return 1;
if (pmdict0 != NULL && !obj_eq(pfont0->memory, pmdict0, pmdict1))
return 1;
if (!pbfont0->WMode || dict_find_string(pfdict0, "Metrics2", &pmdict0) <= 0)
pmdict0 = NULL;
if (!pbfont0->WMode || dict_find_string(pfdict1, "Metrics2", &pmdict1) <= 0)
pmdict1 = NULL;
if (!pmdict0 != !pmdict1)
return 1;
if (pmdict0 != NULL && !obj_eq(pfont0->memory, pmdict0, pmdict1))
return 1;
}
return 0;
}
/* (This is a single-use procedure, for clearer code.) */
static bool
fid_eq(const gs_memory_t *mem, const gs_font *pfont1, const gs_font *pfont2)
{
while (pfont1->base != pfont1)
pfont1 = pfont1->base;
while (pfont2->base != pfont2)
pfont2 = pfont2->base;
if (pfont1 == pfont2)
return true;
switch (pfont1->FontType) {
case 1: case 3:
if (pfont1->FontType == pfont2->FontType)
break;
default:
return false;
}
/* The following, while peculiar, appears to match CPSI. */
{
const gs_uid *puid1 = &((const gs_font_base *)pfont1)->UID;
const gs_uid *puid2 = &((const gs_font_base *)pfont2)->UID;
if (uid_is_UniqueID(puid1) || uid_is_UniqueID(puid2) ||
((uid_is_XUID(puid1) || uid_is_XUID(puid2)) &&
!uid_equal(puid1, puid2)))
return false;
}
{
const font_data *pfd1 = (const font_data *)pfont1->client_data;
const font_data *pfd2 = (const font_data *)pfont2->client_data;
if (!(obj_eq(mem, &pfd1->BuildChar, &pfd2->BuildChar) &&
obj_eq(mem, &pfd1->BuildGlyph, &pfd2->BuildGlyph) &&
obj_eq(mem, &pfd1->Encoding, &pfd2->Encoding) &&
obj_eq(mem, &pfd1->CharStrings, &pfd2->CharStrings)))
return false;
if (pfont1->FontType == 1) {
ref *ppd1, *ppd2;
if (dict_find_string(&pfd1->dict, "Private", &ppd1) > 0 &&
dict_find_string(&pfd2->dict, "Private", &ppd2) > 0 &&
!obj_eq(mem, ppd1, ppd2))
return false;
}
}
return true;
}
