diff options
Diffstat (limited to 'Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c')
-rw-r--r-- | Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c b/Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c new file mode 100644 index 00000000000..f1d25258a9d --- /dev/null +++ b/Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c @@ -0,0 +1,56 @@ +#include "gsub-single.h" + +typedef struct { + int fromid; + sds fromname; + int toid; + sds toname; + UT_hash_handle hh; +} gsub_single_map_hash; +static int by_from_id(gsub_single_map_hash *a, gsub_single_map_hash *b) { + return a->fromid - b->fromid; +} +bool consolidate_gsub_single(otfcc_Font *font, table_OTL *table, otl_Subtable *_subtable, + const otfcc_Options *options) { + subtable_gsub_single *subtable = &(_subtable->gsub_single); + gsub_single_map_hash *h = NULL; + for (size_t k = 0; k < subtable->length; k++) { + if (!GlyphOrder.consolidateHandle(font->glyph_order, &subtable->items[k].from)) { + logWarning("[Consolidate] Ignored missing glyph /%s.\n", subtable->items[k].from.name); + continue; + } + if (!GlyphOrder.consolidateHandle(font->glyph_order, &subtable->items[k].to)) { + logWarning("[Consolidate] Ignored missing glyph /%s.\n", subtable->items[k].to.name); + continue; + } + gsub_single_map_hash *s; + int fromid = subtable->items[k].from.index; + HASH_FIND_INT(h, &fromid, s); + if (s) { + logWarning("[Consolidate] Double-mapping a glyph in a single substitution /%s.\n", + subtable->items[k].from.name); + } else { + NEW(s); + s->fromid = subtable->items[k].from.index; + s->toid = subtable->items[k].to.index; + s->fromname = sdsdup(subtable->items[k].from.name); + s->toname = sdsdup(subtable->items[k].to.name); + HASH_ADD_INT(h, fromid, s); + } + } + HASH_SORT(h, by_from_id); + if (HASH_COUNT(h) != subtable->length) { logWarning("[Consolidate] In this lookup, some mappings are ignored.\n"); } + + iSubtable_gsub_single.clear(subtable); + gsub_single_map_hash *s, *tmp; + HASH_ITER(hh, h, s, tmp) { + iSubtable_gsub_single.push(subtable, + ((otl_GsubSingleEntry){.from = Handle.fromConsolidated(s->fromid, s->fromname), + .to = Handle.fromConsolidated(s->toid, s->toname)})); + sdsfree(s->fromname); + sdsfree(s->toname); + HASH_DEL(h, s); + FREE(s); + } + return (subtable->length == 0); +} |