bool consolidate_gsub_single(caryll_font *font, table_otl *table, otl_subtable *_subtable,
sds lookupName) {
subtable_gsub_single *subtable = &(_subtable->gsub_single);
consolidate_coverage(font, subtable->from, lookupName);
consolidate_coverage(font, subtable->to, lookupName);
uint16_t len =
(subtable->from->numGlyphs < subtable->to->numGlyphs ? subtable->from->numGlyphs
: subtable->from->numGlyphs);
gsub_single_map_hash *h = NULL;
for (uint16_t k = 0; k < len; k++) {
if (subtable->from->glyphs[k].name && subtable->to->glyphs[k].name) {
gsub_single_map_hash *s;
int fromid = subtable->from->glyphs[k].gid;
HASH_FIND_INT(h, &fromid, s);
if (s) {
fprintf(stderr, "[Consolidate] Double-mapping a glyph in a "
"single substitution /%s.\n",
subtable->from->glyphs[k].name);
} else {
NEW(s);
s->fromid = subtable->from->glyphs[k].gid;
s->toid = subtable->to->glyphs[k].gid;
s->fromname = subtable->from->glyphs[k].name;
s->toname = subtable->to->glyphs[k].name;
HASH_ADD_INT(h, fromid, s);
}
}
}
HASH_SORT(h, by_from_id);
if (HASH_COUNT(h) != subtable->from->numGlyphs || HASH_COUNT(h) != subtable->to->numGlyphs) {
fprintf(stderr, "[Consolidate] In single subsitution lookup %s, some "
"mappings are ignored.\n",
lookupName);
}
subtable->from->numGlyphs = HASH_COUNT(h);
subtable->to->numGlyphs = HASH_COUNT(h);
FREE(subtable->from->glyphs);
FREE(subtable->to->glyphs);
NEW_N(subtable->from->glyphs, subtable->from->numGlyphs);
NEW_N(subtable->to->glyphs, subtable->to->numGlyphs);
{
gsub_single_map_hash *s, *tmp;
uint16_t j = 0;
HASH_ITER(hh, h, s, tmp) {
subtable->from->glyphs[j].gid = s->fromid;
subtable->from->glyphs[j].name = s->fromname;
subtable->to->glyphs[j].gid = s->toid;
subtable->to->glyphs[j].name = s->toname;
j++;
HASH_DEL(h, s);
free(s);
}
}
bool consolidate_gsub_multi(caryll_font *font, table_otl *table, otl_subtable *_subtable,
sds lookupName) {
subtable_gsub_multi *subtable = &(_subtable->gsub_multi);
consolidate_coverage(font, subtable->from, lookupName);
for (uint16_t j = 0; j < subtable->from->numGlyphs; j++) {
consolidate_coverage(font, subtable->to[j], lookupName);
shrink_coverage(subtable->to[j], false);
}
gsub_multi_hash *h = NULL;
for (uint16_t k = 0; k < subtable->from->numGlyphs; k++) {
if (subtable->from->glyphs[k].name) {
gsub_multi_hash *s;
int fromid = subtable->from->glyphs[k].gid;
HASH_FIND_INT(h, &fromid, s);
if (!s) {
NEW(s);
s->fromid = subtable->from->glyphs[k].gid;
s->fromname = subtable->from->glyphs[k].name;
s->to = subtable->to[k];
HASH_ADD_INT(h, fromid, s);
} else {
caryll_delete_coverage(subtable->to[k]);
}
} else {
caryll_delete_coverage(subtable->to[k]);
}
}
HASH_SORT(h, by_from_id_multi);
subtable->from->numGlyphs = HASH_COUNT(h);
{
gsub_multi_hash *s, *tmp;
uint16_t j = 0;
HASH_ITER(hh, h, s, tmp) {
subtable->from->glyphs[j].gid = s->fromid;
subtable->from->glyphs[j].name = s->fromname;
subtable->to[j] = s->to;
j++;
HASH_DEL(h, s);
free(s);
}
}
bool consolidate_gsub_ligature(caryll_font *font, table_otl *table, otl_subtable *_subtable,
sds lookupName) {
subtable_gsub_ligature *subtable = &(_subtable->gsub_ligature);
consolidate_coverage(font, subtable->to, lookupName);
for (uint16_t j = 0; j < subtable->to->numGlyphs; j++) {
consolidate_coverage(font, subtable->from[j], lookupName);
shrink_coverage(subtable->from[j], false);
}
uint16_t jj = 0;
for (uint16_t k = 0; k < subtable->to->numGlyphs; k++) {
if (subtable->to->glyphs[k].name && subtable->from[k]->numGlyphs) {
subtable->to->glyphs[jj] = subtable->to->glyphs[k];
subtable->from[jj] = subtable->from[k];
jj++;
} else {
caryll_delete_coverage(subtable->from[k]);
}
}
subtable->to->numGlyphs = jj;
return false;
}
bool consolidate_gpos_single(caryll_font *font, table_otl *table, otl_subtable *_subtable,
sds lookupName) {
subtable_gpos_single *subtable = &(_subtable->gpos_single);
consolidate_coverage(font, subtable->coverage, lookupName);
gpos_single_hash *h = NULL;
for (uint16_t k = 0; k < subtable->coverage->numGlyphs; k++) {
if (subtable->coverage->glyphs[k].name) {
gpos_single_hash *s;
int fromid = subtable->coverage->glyphs[k].gid;
HASH_FIND_INT(h, &fromid, s);
if (s) {
fprintf(stderr, "[Consolidate] Double-mapping a glyph in a "
"single substitution /%s.\n",
subtable->coverage->glyphs[k].name);
} else {
NEW(s);
s->fromid = subtable->coverage->glyphs[k].gid;
s->fromname = subtable->coverage->glyphs[k].name;
s->v = subtable->values[k];
HASH_ADD_INT(h, fromid, s);
}
}
}
HASH_SORT(h, gpos_by_from_id);
subtable->coverage->numGlyphs = HASH_COUNT(h);
{
gpos_single_hash *s, *tmp;
uint16_t j = 0;
HASH_ITER(hh, h, s, tmp) {
subtable->coverage->glyphs[j].gid = s->fromid;
subtable->coverage->glyphs[j].name = s->fromname;
subtable->values[j] = s->v;
j++;
HASH_DEL(h, s);
free(s);
}
}
