parent 777ba47b50f6379b9f9abf1d72559316b7116b9e author ckitagawa <ckitagawa@chromium.org> 1579631743 -0500 committer ckitagawa <ckitagawa@chromium.org> 1580506176 -0500 [subset] Add CBLC support
diff --git a/src/Makefile.sources b/src/Makefile.sources index 81b5cde..156b3ab 100644 --- a/src/Makefile.sources +++ b/src/Makefile.sources
@@ -63,6 +63,7 @@ hb-ot-cff2-table.cc \ hb-ot-cff2-table.hh \ hb-ot-cmap-table.hh \ + hb-ot-color-cbdt-table.cc \ hb-ot-color-cbdt-table.hh \ hb-ot-color-colr-table.hh \ hb-ot-color-cpal-table.hh \ @@ -253,6 +254,7 @@ hb-number.hh \ hb-ot-cff1-table.cc \ hb-ot-cff2-table.cc \ + hb-ot-color-cbdt-table.cc \ hb-static.cc \ hb-subset-cff-common.cc \ hb-subset-cff-common.hh \
diff --git a/src/harfbuzz.cc b/src/harfbuzz.cc index 6a07a9e..1d5a39f 100644 --- a/src/harfbuzz.cc +++ b/src/harfbuzz.cc
@@ -12,6 +12,7 @@ #include "hb-number.cc" #include "hb-ot-cff1-table.cc" #include "hb-ot-cff2-table.cc" +#include "hb-ot-color-cbdt-table.cc" #include "hb-ot-color.cc" #include "hb-ot-face.cc" #include "hb-ot-font.cc"
diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh index 38dca26..91a132d 100644 --- a/src/hb-ot-cmap-table.hh +++ b/src/hb-ot-cmap-table.hh
@@ -1198,10 +1198,9 @@ }) ; - if (unlikely (!encodingrec_iter.len ())) return_trace (false); - const EncodingRecord *unicode_bmp= nullptr, *unicode_ucs4 = nullptr, *ms_bmp = nullptr, *ms_ucs4 = nullptr; + const EncodingRecord *unicode_bmp= nullptr, *unicode_ucs4 = nullptr, *unicode_uvs = nullptr, *ms_bmp = nullptr, *ms_ucs4 = nullptr; bool has_format12 = false; for (const EncodingRecord& _ : encodingrec_iter) @@ -1212,11 +1211,12 @@ const EncodingRecord *table = hb_addressof (_); if (_.platformID == 0 && _.encodingID == 3) unicode_bmp = table; else if (_.platformID == 0 && _.encodingID == 4) unicode_ucs4 = table; + else if (_.platformID == 0 && _.encodingID == 5) unicode_uvs = table; else if (_.platformID == 3 && _.encodingID == 1) ms_bmp = table; else if (_.platformID == 3 && _.encodingID == 10) ms_ucs4 = table; } - if (unlikely (!unicode_bmp && !ms_bmp)) return_trace (false); + if (unlikely (!unicode_bmp && !ms_bmp && !unicode_uvs)) return_trace (false); if (unlikely (has_format12 && (!unicode_ucs4 && !ms_ucs4))) return_trace (false); auto it =
diff --git a/src/hb-ot-color-cbdt-table.cc b/src/hb-ot-color-cbdt-table.cc new file mode 100644 index 0000000..855dfa3 --- /dev/null +++ b/src/hb-ot-color-cbdt-table.cc
@@ -0,0 +1,75 @@ +/* + * Copyright © 2020 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Calder Kitagawa + */ + +#include "hb-open-type.hh" + +#include "hb-ot-color-cbdt-table.hh" + +namespace OT { + +namespace CBDT_internal { + +bool copy_data_to_cbdt (hb_vector_t<char> *cbdt_prime, + const void *data, + unsigned int length) +{ + unsigned int new_len = cbdt_prime->length + length; + if (unlikely (!cbdt_prime->alloc(new_len))) return false; + memcpy (cbdt_prime->arrayZ + cbdt_prime->length, data, length); + cbdt_prime->length = new_len; + return true; +} + +} + +bool CBLC::subset (hb_subset_context_t *c) const +{ + TRACE_SUBSET (this); + + auto* cblc_prime = c->serializer->start_embed<CBLC> (); + + // Use a vector as a secondary buffer as the tables need to be built in parallel. + hb_vector_t<char> cbdt_prime; + + if (unlikely (!cblc_prime)) return_trace (false); + if (unlikely (!c->serializer->extend_min(cblc_prime))) return_trace (false); + cblc_prime->version = version; + + hb_blob_t* cbdt_blob = hb_sanitize_context_t ().reference_table<CBDT> (c->plan->source); + unsigned int cbdt_length; + CBDT* cbdt = (CBDT *) hb_blob_get_data (cbdt_blob, &cbdt_length); + if (unlikely (cbdt_length < CBDT::min_size)) return_trace (false); + CBDT_internal::copy_data_to_cbdt (&cbdt_prime, cbdt, CBDT::min_size); + + for (const BitmapSizeTable& table : + sizeTables.iter ()) + subset_size_table (c, table, (const char *) cbdt, cblc_prime, &cbdt_prime); + + hb_blob_destroy (cbdt_blob); + + return_trace (CBLC::sink_cbdt (c, &cbdt_prime)); +} + +} /* namespace OT */
diff --git a/src/hb-ot-color-cbdt-table.hh b/src/hb-ot-color-cbdt-table.hh index 01af6e5..e71fad8 100644 --- a/src/hb-ot-color-cbdt-table.hh +++ b/src/hb-ot-color-cbdt-table.hh
@@ -21,7 +21,7 @@ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. * - * Google Author(s): Seigo Nonaka + * Google Author(s): Seigo Nonaka, Calder Kitagawa */ #ifndef HB_OT_COLOR_CBDT_TABLE_HH @@ -43,6 +43,31 @@ namespace OT { +namespace CBDT_internal { + +// Helper function internal to CBDT. +HB_INTERNAL bool copy_data_to_cbdt (hb_vector_t<char> *cbdt_prime, + const void *data, + unsigned int length); + +} + +struct cblc_bitmap_size_subset_context_t +{ + const char *cbdt; + hb_vector_t<char> *cbdt_prime; + unsigned int size; /* INOUT + * Input: old size of IndexSubtable + * Output: new size of IndexSubtable + */ + unsigned int num_tables; /* INOUT + * Input: old number of subtables. + * Output: new number of subtables. + */ + hb_codepoint_t start_glyph; /* OUT */ + hb_codepoint_t end_glyph; /* OUT */ +}; + struct SmallGlyphMetrics { bool sanitize (hb_sanitize_context_t *c) const @@ -143,6 +168,18 @@ return true; } + bool add_offset (hb_serialize_context_t *c, + unsigned int offset, + unsigned int *size /* OUT (accumulated) */) + { + TRACE_SERIALIZE (this); + Offset<OffsetType> embedded_offset; + embedded_offset = offset; + *size += sizeof(OffsetType); + auto* o = c->embed (embedded_offset); + return_trace ((bool) o); + } + IndexSubtableHeader header; UnsizedArrayOf<Offset<OffsetType>> offsetArrayZ; @@ -166,6 +203,99 @@ } } + bool finish_subtable (hb_serialize_context_t *c, + unsigned int cbdt_prime_len, + unsigned int num_glyphs, + unsigned int *size /* OUT (accumulated) */) + { + TRACE_SERIALIZE (this); + + unsigned int local_offset = cbdt_prime_len - u.header.imageDataOffset; + switch (u.header.indexFormat) { + case 1: return_trace (u.format1.add_offset (c, local_offset, size)); + case 3: { + if (!u.format3.add_offset (c, local_offset, size)) + return_trace (false); + if (!(num_glyphs & 0x01)) // Pad to 32-bit alignment if needed. + return_trace (u.format3.add_offset (c, 0, size)); + return_trace(true); + } + // TODO: implement 2, 4, 5. + case 2: case 4: // No-op. + case 5: // Pad to 32-bit aligned. + default: return_trace (false); + } + } + + bool fill_missing_glyphs (hb_serialize_context_t *c, + unsigned int cbdt_prime_len, + unsigned int num_missing, + unsigned int *size /* OUT (accumulated) */, + unsigned int *num_glyphs /* OUT (accumulated) */) + { + TRACE_SERIALIZE (this); + + unsigned int local_offset = cbdt_prime_len - u.header.imageDataOffset; + switch (u.header.indexFormat) { + case 1: { + for (unsigned int i = 0; i < num_missing; i++) + { + if (unlikely (!u.format1.add_offset (c, local_offset, size))) + return_trace (false); + *num_glyphs += 1; + } + return_trace (true); + } + case 3: { + for (unsigned int i = 0; i < num_missing; i++) + { + if (unlikely (!u.format3.add_offset (c, local_offset, size))) + return_trace (false); + *num_glyphs += 1; + } + return_trace (true); + } + // TODO: implement 2, 4, 5. + case 2: // Add empty space in cbdt_prime?. + case 4: case 5: // No-op as sparse is supported. + default: return_trace (false); + } + } + + bool copy_glyph_at_idx (hb_serialize_context_t *c, + unsigned int idx, + const char *cbdt, + hb_vector_t<char> *cbdt_prime /* INOUT */, + IndexSubtable *subtable_prime /* INOUT */, + unsigned int *size /* OUT (accumulated) */) const + { + TRACE_SERIALIZE (this); + + unsigned int offset, length, format; + if (unlikely (!get_image_data (idx, &offset, &length, &format))) return_trace (false); + + auto* header_prime = subtable_prime->get_header(); + unsigned int new_local_offset = cbdt_prime->length - (unsigned int) header_prime->imageDataOffset; + if (unlikely (!CBDT_internal::copy_data_to_cbdt (cbdt_prime, cbdt + offset, length))) return_trace (false); + + return_trace (subtable_prime->add_offset (c, new_local_offset, size)); + } + + bool add_offset (hb_serialize_context_t *c, + unsigned int local_offset, + unsigned int *size /* OUT (accumulated) */) + { + TRACE_SERIALIZE (this); + switch (u.header.indexFormat) { + case 1: return_trace (u.format1.add_offset (c, local_offset, size)); + case 3: return_trace (u.format3.add_offset (c, local_offset, size)); + // TODO: Implement tables 2, 4, 5 + case 2: // Should be a no-op. + case 4: case 5: // Handle sparse cases. + default: return_trace (false); + } + } + bool get_extents (hb_glyph_extents_t *extents HB_UNUSED) const { switch (u.header.indexFormat) { @@ -188,6 +318,25 @@ } } + const IndexSubtableHeader* get_header() const + { + return &u.header; + } + + void populate_header (unsigned index_format, + unsigned image_format, + unsigned int image_data_offset, + unsigned int *size) + { + u.header.indexFormat = index_format; + u.header.imageFormat = image_format; + u.header.imageDataOffset = image_data_offset; + switch (u.header.indexFormat) { + case 1: *size += IndexSubtableFormat1::min_size; break; + case 3: *size += IndexSubtableFormat3::min_size; break; + } + } + protected: union { IndexSubtableHeader header; @@ -209,6 +358,127 @@ offsetToSubtable.sanitize (c, base, lastGlyphIndex - firstGlyphIndex + 1)); } + const IndexSubtable* get_subtable (const void *base) const + { + return &(base+offsetToSubtable); + } + + bool add_new_subtable (hb_subset_context_t* c, + cblc_bitmap_size_subset_context_t *bitmap_size_context, + IndexSubtableRecord *record, + const hb_vector_t<hb_pair_t<hb_codepoint_t, const IndexSubtableRecord*>> *lookup, /* IN */ + const void *base, + unsigned int *start /* INOUT */) const + { + TRACE_SERIALIZE (this); + + auto* subtable = c->serializer->start_embed<IndexSubtable> (); + if (unlikely (!subtable)) return_trace (false); + if (unlikely (!c->serializer->extend_min (subtable))) return_trace (false); + + auto* old_subtable = get_subtable (base); + auto* old_header = old_subtable->get_header (); + + subtable->populate_header (old_header->indexFormat, + old_header->imageFormat, + bitmap_size_context->cbdt_prime->length, + &bitmap_size_context->size); + + unsigned int num_glyphs = 0; + bool early_exit = false; + for (unsigned int i = *start; i < lookup->length; i++) + { + hb_codepoint_t new_gid = (*lookup)[i].first; + const IndexSubtableRecord *next_record = (*lookup)[i].second; + const IndexSubtable *next_subtable = next_record->get_subtable (base); + auto* next_header = next_subtable->get_header (); + if (next_header != old_header) { + *start = i; + early_exit = true; + break; + } + unsigned int num_missing = record->add_glyph_for_subset (new_gid); + if (unlikely (!subtable->fill_missing_glyphs (c->serializer, + bitmap_size_context->cbdt_prime->length, + num_missing, + &bitmap_size_context->size, + &num_glyphs))) + return_trace (false); + + hb_codepoint_t old_gid = 0; + c->plan->old_gid_for_new_gid (new_gid, &old_gid); + if (old_gid < next_record->firstGlyphIndex) + return_trace (false); + + unsigned int old_idx = (unsigned int) old_gid - next_record->firstGlyphIndex; + if (unlikely (!next_subtable->copy_glyph_at_idx (c->serializer, + old_idx, + bitmap_size_context->cbdt, + bitmap_size_context->cbdt_prime, + subtable, + &bitmap_size_context->size))) + return_trace (false); + num_glyphs += 1; + } + if (!early_exit) + *start = lookup->length; + if (unlikely (!subtable->finish_subtable (c->serializer, + bitmap_size_context->cbdt_prime->length, + num_glyphs, + &bitmap_size_context->size))) + return_trace (false); + return_trace (true); + } + + bool add_new_record (hb_subset_context_t *c, + cblc_bitmap_size_subset_context_t *bitmap_size_context, + const hb_vector_t<hb_pair_t<hb_codepoint_t, const IndexSubtableRecord*>> *lookup, /* IN */ + const void *base, + unsigned int *start, /* INOUT */ + hb_vector_t<IndexSubtableRecord>* records /* INOUT */) const + { + TRACE_SERIALIZE (this); + auto snap = c->serializer->snapshot (); + unsigned int old_size = bitmap_size_context->size; + unsigned int old_cbdt_prime_length = bitmap_size_context->cbdt_prime->length; + + // Set to invalid state to indicate filling glyphs is not yet started. + records->resize (records->length + 1); + (*records)[records->length - 1].firstGlyphIndex = 1; + (*records)[records->length - 1].lastGlyphIndex = 0; + bitmap_size_context->size += IndexSubtableRecord::min_size; + + c->serializer->push (); + + if (unlikely (!add_new_subtable (c, bitmap_size_context, &((*records)[records->length - 1]), lookup, base, start))) + { + c->serializer->pop_discard (); + c->serializer->revert (snap); + bitmap_size_context->cbdt_prime->shrink (old_cbdt_prime_length); + bitmap_size_context->size = old_size; + records->resize (records->length - 1); + return_trace (false); + } + + bitmap_size_context->num_tables += 1; + return_trace (true); + } + + unsigned int add_glyph_for_subset (hb_codepoint_t gid) { + if (firstGlyphIndex > lastGlyphIndex) + { + firstGlyphIndex = gid; + lastGlyphIndex = gid; + return 0; + } + // TODO maybe assert? this shouldn't occur. + if (lastGlyphIndex > gid) + return 0; + unsigned int num_missing = (unsigned int) (gid - lastGlyphIndex - 1); + lastGlyphIndex = gid; + return num_missing; + } + bool get_extents (hb_glyph_extents_t *extents, const void *base) const { @@ -243,6 +513,70 @@ return_trace (indexSubtablesZ.sanitize (c, count, this)); } + void build_lookup (hb_subset_context_t *c, + cblc_bitmap_size_subset_context_t *bitmap_size_context, + hb_vector_t<hb_pair_t<hb_codepoint_t, const IndexSubtableRecord*>> *lookup /* OUT */) const + { + bool start_glyph_is_set = false; + for (hb_codepoint_t new_gid = 0; new_gid < c->plan->num_output_glyphs (); new_gid++) + { + hb_codepoint_t old_gid; + if (unlikely (!c->plan->old_gid_for_new_gid (new_gid, &old_gid))) continue; + + const IndexSubtableRecord* record = find_table(old_gid, bitmap_size_context->num_tables); + if (unlikely (!record)) continue; + + // Don't add gaps to the lookup. The best way to determine if a glyph is a + // gap is that it has no image data. + unsigned int offset, length, format; + if (unlikely (!record->get_image_data (old_gid, this, &offset, &length, &format))) continue; + + lookup->push (hb_pair_t<hb_codepoint_t, const IndexSubtableRecord*> (new_gid, record)); + + if (!start_glyph_is_set) + { + bitmap_size_context->start_glyph = new_gid; + start_glyph_is_set = true; + } + + bitmap_size_context->end_glyph = new_gid; + } + } + + bool subset (hb_subset_context_t *c, + cblc_bitmap_size_subset_context_t *bitmap_size_context) const + { + TRACE_SUBSET (this); + + auto* dst = c->serializer->start_embed<IndexSubtableArray> (); + if (unlikely (!dst)) return_trace (false); + + hb_vector_t<hb_pair_t<hb_codepoint_t, const IndexSubtableRecord*>> lookup; + build_lookup (c, bitmap_size_context, &lookup); + + bitmap_size_context->size = 0; + bitmap_size_context->num_tables = 0; + hb_vector_t<IndexSubtableRecord> records; + for (unsigned int start = 0; start < lookup.length;) + { + if (unlikely (!lookup[start].second->add_new_record (c, bitmap_size_context, &lookup, this, &start, &records))) + return_trace (false); + } + + // Workaround to ensure offset ordering is from least to greatest when + // resolving links. + hb_vector_t<hb_serialize_context_t::objidx_t> objidxs; + for (unsigned int i = 0; i < records.length; i++) + objidxs.push (c->serializer->pop_pack()); + for (unsigned int i = 0; i < records.length; i++) + { + IndexSubtableRecord* record = c->serializer->embed (records[i]); + if (unlikely (!record)) return_trace (false); + c->serializer->add_link (record->offsetToSubtable, objidxs[records.length - 1 - i], dst); + } + return_trace (true); + } + public: const IndexSubtableRecord* find_table (hb_codepoint_t glyph, unsigned int numTables) const { @@ -282,6 +616,42 @@ return (base+indexSubtableArrayOffset).find_table (glyph, numberOfIndexSubtables); } + bool subset(hb_subset_context_t *c, + const void *src_base, + const void *dst_base, + const char *cbdt, + hb_vector_t<char> *cbdt_prime /* INOUT */) const + { + TRACE_SUBSET (this); + auto* out_table = c->serializer->embed (this); + if (unlikely (!out_table)) return_trace (false); + + cblc_bitmap_size_subset_context_t bitmap_size_context; + bitmap_size_context.cbdt = cbdt; + bitmap_size_context.cbdt_prime = cbdt_prime; + bitmap_size_context.size = indexTablesSize; + bitmap_size_context.num_tables = numberOfIndexSubtables; + bitmap_size_context.start_glyph = 1; + bitmap_size_context.end_glyph = 0; + + if (!out_table->indexSubtableArrayOffset.serialize_subset(c, + indexSubtableArrayOffset, + src_base, + dst_base, + &bitmap_size_context)) + return_trace (false); + if (!bitmap_size_context.size || + !bitmap_size_context.num_tables || + bitmap_size_context.start_glyph > bitmap_size_context.end_glyph) + return_trace (false); + + out_table->indexTablesSize = bitmap_size_context.size; + out_table->numberOfIndexSubtables = bitmap_size_context.num_tables; + out_table->startGlyphIndex = bitmap_size_context.start_glyph; + out_table->endGlyphIndex = bitmap_size_context.end_glyph; + return_trace (true); + } + protected: LNNOffsetTo<IndexSubtableArray> indexSubtableArrayOffset; @@ -342,6 +712,45 @@ sizeTables.sanitize (c, this)); } + static bool sink_cbdt(hb_subset_context_t *c, + hb_vector_t<char>* cbdt_prime) + { + hb_blob_t *cbdt_prime_blob = hb_blob_create (cbdt_prime->arrayZ, + cbdt_prime->length, + HB_MEMORY_MODE_WRITABLE, + cbdt_prime->arrayZ, + free); + cbdt_prime->init (); // Leak arrayZ to the blob. + bool ret = c->plan->add_table (HB_OT_TAG_CBDT, cbdt_prime_blob); + hb_blob_destroy (cbdt_prime_blob); + return ret; + } + + bool subset_size_table (hb_subset_context_t *c, + const BitmapSizeTable& table, + const char *cbdt /* IN */, + CBLC *cblc_prime /* INOUT */, + hb_vector_t<char> *cbdt_prime /* INOUT */) const + { + TRACE_SUBSET (this); + cblc_prime->sizeTables.len++; + + auto snap = c->serializer->snapshot (); + auto cbdt_prime_len = cbdt_prime->length; + + if (!table.subset (c, this, cblc_prime, cbdt, cbdt_prime)) + { + cblc_prime->sizeTables.len--; + c->serializer->revert (snap); + cbdt_prime->shrink (cbdt_prime_len); + return_trace (false); + } + return_trace (true); + } + + // Implemented in cc file as it depends on definition of CBDT. + HB_INTERNAL bool subset (hb_subset_context_t *c) const; + protected: const BitmapSizeTable &choose_strike (hb_font_t *font) const {
diff --git a/src/hb-ot-head-table.hh b/src/hb-ot-head-table.hh index 3c0bb3d..119fc69 100644 --- a/src/hb-ot-head-table.hh +++ b/src/hb-ot-head-table.hh
@@ -54,6 +54,18 @@ return 16 <= upem && upem <= 16384 ? upem : 1000; } + bool serialize (hb_serialize_context_t *c) const + { + TRACE_SERIALIZE (this); + return_trace ((bool) c->embed(this)); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + return_trace (serialize(c->serializer)); + } + enum mac_style_flag_t { BOLD = 1u<<0, ITALIC = 1u<<1,
diff --git a/src/hb-subset.cc b/src/hb-subset.cc index 598dd55..c35bcd0 100644 --- a/src/hb-subset.cc +++ b/src/hb-subset.cc
@@ -45,6 +45,7 @@ #include "hb-ot-cff2-table.hh" #include "hb-ot-vorg-table.hh" #include "hb-ot-name-table.hh" +#include "hb-ot-color-cbdt-table.hh" #include "hb-ot-layout-gsub-table.hh" #include "hb-ot-layout-gpos-table.hh" #include "hb-ot-var-gvar-table.hh" @@ -154,6 +155,53 @@ static bool +_is_table_present (hb_face_t *source, + hb_tag_t tag) +{ + unsigned tables = hb_face_get_table_tags (source, 0, nullptr, nullptr); + hb_vector_t<uint32_t> tags; + tags.resize (tables); + hb_face_get_table_tags (source, 0, &tables, tags.arrayZ); + for (unsigned int i = 0; i < tables; i++) { + if (tags[i] == tag) + return true; + } + return false; +} + +static bool +_should_drop_table (hb_subset_plan_t *plan, hb_tag_t tag) +{ + if (plan->drop_tables->has (tag)) + return true; + + switch (tag) { + case HB_TAG ('c', 'v', 'a', 'r'): /* hint table, fallthrough */ + case HB_TAG ('c', 'v', 't', ' '): /* hint table, fallthrough */ + case HB_TAG ('f', 'p', 'g', 'm'): /* hint table, fallthrough */ + case HB_TAG ('p', 'r', 'e', 'p'): /* hint table, fallthrough */ + case HB_TAG ('h', 'd', 'm', 'x'): /* hint table, fallthrough */ + case HB_TAG ('V', 'D', 'M', 'X'): /* hint table, fallthrough */ + return plan->drop_hints; + +#ifdef HB_NO_SUBSET_LAYOUT + // Drop Layout Tables if requested. + case HB_OT_TAG_GDEF: + case HB_OT_TAG_GPOS: + case HB_OT_TAG_GSUB: + case HB_TAG ('m', 'o', 'r', 'x'): + case HB_TAG ('m', 'o', 'r', 't'): + case HB_TAG ('k', 'e', 'r', 'x'): + case HB_TAG ('k', 'e', 'r', 'n'): + return true; +#endif + + default: + return false; + } +} + +static bool _subset_table (hb_subset_plan_t *plan, hb_tag_t tag) { @@ -169,11 +217,15 @@ case HB_OT_TAG_name: result = _subset2<const OT::name> (plan); break; - case HB_OT_TAG_head: - // TODO that won't work well if there is no glyf - DEBUG_MSG(SUBSET, nullptr, "skip head, handled by glyf"); - result = true; + case HB_OT_TAG_head: { + if (_is_table_present (plan->source, HB_OT_TAG_glyf) && !_should_drop_table (plan, HB_OT_TAG_glyf)) + { + DEBUG_MSG(SUBSET, nullptr, "skip head, handled by glyf"); + return true; + } + result = _subset2<const OT::head> (plan); break; + } case HB_OT_TAG_hhea: DEBUG_MSG(SUBSET, nullptr, "skip hhea handled by hmtx"); return true; @@ -207,6 +259,12 @@ case HB_OT_TAG_COLR: result = _subset2<const OT::COLR> (plan); break; + case HB_OT_TAG_CBLC: + result = _subset2<const OT::CBLC> (plan); + break; + case HB_OT_TAG_CBDT: + DEBUG_MSG(SUBSET, nullptr, "skip CBDT handled by CBLC"); + return true; #ifndef HB_NO_SUBSET_CFF case HB_OT_TAG_cff1: @@ -254,38 +312,6 @@ return result; } -static bool -_should_drop_table (hb_subset_plan_t *plan, hb_tag_t tag) -{ - if (plan->drop_tables->has (tag)) - return true; - - switch (tag) { - case HB_TAG ('c', 'v', 'a', 'r'): /* hint table, fallthrough */ - case HB_TAG ('c', 'v', 't', ' '): /* hint table, fallthrough */ - case HB_TAG ('f', 'p', 'g', 'm'): /* hint table, fallthrough */ - case HB_TAG ('p', 'r', 'e', 'p'): /* hint table, fallthrough */ - case HB_TAG ('h', 'd', 'm', 'x'): /* hint table, fallthrough */ - case HB_TAG ('V', 'D', 'M', 'X'): /* hint table, fallthrough */ - return plan->drop_hints; - -#ifdef HB_NO_SUBSET_LAYOUT - // Drop Layout Tables if requested. - case HB_OT_TAG_GDEF: - case HB_OT_TAG_GPOS: - case HB_OT_TAG_GSUB: - case HB_TAG ('m', 'o', 'r', 'x'): - case HB_TAG ('m', 'o', 'r', 't'): - case HB_TAG ('k', 'e', 'r', 'x'): - case HB_TAG ('k', 'e', 'r', 'n'): - return true; -#endif - - default: - return false; - } -} - /** * hb_subset: * @source: font face data to be subset.
diff --git a/test/api/Makefile.am b/test/api/Makefile.am index 96e5eea..6f0bba9 100644 --- a/test/api/Makefile.am +++ b/test/api/Makefile.am
@@ -59,6 +59,7 @@ test-subset-sbix \ test-subset-gpos \ test-subset-colr \ + test-subset-cbdt \ test-unicode \ test-version \ test-subset-nameids \ @@ -79,6 +80,7 @@ test_subset_hvar_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la test_subset_vvar_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la test_subset_sbix_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la +test_subset_cbdt_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la test_subset_nameids_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la test_subset_gpos_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la test_subset_colr_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
diff --git a/test/api/fonts/NotoColorEmoji.subset.default.2049.ttf b/test/api/fonts/NotoColorEmoji.subset.default.2049.ttf new file mode 100644 index 0000000..b577752 --- /dev/null +++ b/test/api/fonts/NotoColorEmoji.subset.default.2049.ttf Binary files differ
diff --git a/test/api/fonts/NotoColorEmoji.subset.default.39.ttf b/test/api/fonts/NotoColorEmoji.subset.default.39.ttf new file mode 100644 index 0000000..34e878e --- /dev/null +++ b/test/api/fonts/NotoColorEmoji.subset.default.39.ttf Binary files differ
diff --git a/test/api/fonts/NotoColorEmoji.subset.index_format3.default.38,AE,2049.ttf b/test/api/fonts/NotoColorEmoji.subset.index_format3.default.38,AE,2049.ttf new file mode 100644 index 0000000..e7f361a --- /dev/null +++ b/test/api/fonts/NotoColorEmoji.subset.index_format3.default.38,AE,2049.ttf Binary files differ
diff --git a/test/api/fonts/NotoColorEmoji.subset.index_format3.ttf b/test/api/fonts/NotoColorEmoji.subset.index_format3.ttf new file mode 100644 index 0000000..df1ff9b --- /dev/null +++ b/test/api/fonts/NotoColorEmoji.subset.index_format3.ttf Binary files differ
diff --git a/test/api/fonts/NotoColorEmoji.subset.multiple_size_tables.default.38,AE,2049.ttf b/test/api/fonts/NotoColorEmoji.subset.multiple_size_tables.default.38,AE,2049.ttf new file mode 100644 index 0000000..8d2fb18 --- /dev/null +++ b/test/api/fonts/NotoColorEmoji.subset.multiple_size_tables.default.38,AE,2049.ttf Binary files differ
diff --git a/test/api/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf b/test/api/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf new file mode 100644 index 0000000..cdccded --- /dev/null +++ b/test/api/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf Binary files differ
diff --git a/test/api/fonts/NotoColorEmoji.subset.ttf b/test/api/fonts/NotoColorEmoji.subset.ttf new file mode 100644 index 0000000..14a544a --- /dev/null +++ b/test/api/fonts/NotoColorEmoji.subset.ttf Binary files differ
diff --git a/test/api/test-subset-cbdt.c b/test/api/test-subset-cbdt.c new file mode 100644 index 0000000..dcc06e1 --- /dev/null +++ b/test/api/test-subset-cbdt.c
@@ -0,0 +1,158 @@ +/* + * Copyright © 2020 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Calder Kitagawa + */ + +#include "hb-test.h" +#include "hb-subset-test.h" + +/* Unit tests for CBDT/CBLC subsetting */ + +static void +test_subset_cbdt_noop (void) +{ + hb_face_t *face = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.ttf"); + + hb_set_t *codepoints = hb_set_create (); + hb_face_t *face_subset; + hb_set_add (codepoints, 0x38); + hb_set_add (codepoints, 0x39); + hb_set_add (codepoints, 0xAE); + hb_set_add (codepoints, 0x2049); + hb_set_add (codepoints, 0x20E3); + face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints)); + hb_set_destroy (codepoints); + + hb_subset_test_check (face, face_subset, HB_TAG ('C','B','L','C')); + hb_subset_test_check (face, face_subset, HB_TAG ('C','B','D','T')); + + hb_face_destroy (face_subset); + hb_face_destroy (face); +} + +static void +test_subset_cbdt_keep_one (void) +{ + hb_face_t *face = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.ttf"); + hb_face_t *face_expected = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.default.39.ttf"); + + hb_set_t *codepoints = hb_set_create (); + hb_face_t *face_subset; + hb_set_add (codepoints, 0x39); + face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints)); + hb_set_destroy (codepoints); + + hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','B','L','C')); + hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','B','D','T')); + + hb_face_destroy (face_subset); + hb_face_destroy (face_expected); + hb_face_destroy (face); +} + +static void +test_subset_cbdt_keep_one_last_subtable (void) +{ + hb_face_t *face = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.ttf"); + hb_face_t *face_expected = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.default.2049.ttf"); + + hb_set_t *codepoints = hb_set_create (); + hb_face_t *face_subset; + hb_set_add (codepoints, 0x2049); + face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints)); + hb_set_destroy (codepoints); + + hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','B','L','C')); + hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','B','D','T')); + + hb_face_destroy (face_subset); + hb_face_destroy (face_expected); + hb_face_destroy (face); +} + +static void +test_subset_cbdt_keep_multiple_subtables (void) +{ + hb_face_t *face = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.multiple_size_tables.ttf"); + hb_face_t *face_expected = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.multiple_size_tables.default.38,AE,2049.ttf"); + + hb_set_t *codepoints = hb_set_create (); + hb_face_t *face_subset; + hb_set_add (codepoints, 0x38); + hb_set_add (codepoints, 0xAE); + hb_set_add (codepoints, 0x2049); + face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints)); + hb_set_destroy (codepoints); + + hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','B','L','C')); + hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','B','D','T')); + + hb_face_destroy (face_subset); + hb_face_destroy (face_expected); + hb_face_destroy (face); +} + +static void +test_subset_cbdt_index_format_3 (void) +{ + hb_face_t *face = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.index_format3.ttf"); + hb_face_t *face_expected = hb_test_open_font_file ("fonts/NotoColorEmoji.subset.index_format3.default.38,AE,2049.ttf"); + + hb_set_t *codepoints = hb_set_create (); + hb_face_t *face_subset; + hb_set_add (codepoints, 0x38); + hb_set_add (codepoints, 0xAE); + hb_set_add (codepoints, 0x2049); + face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints)); + hb_set_destroy (codepoints); + + hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','B','L','C')); + hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','B','D','T')); + + hb_face_destroy (face_subset); + hb_face_destroy (face_expected); + hb_face_destroy (face); +} + +// TODO: add support/tests for index formats 2,4,5 (image formats are treated as +// opaque blobs when subsetting so don't need to be tested separately). +// TODO: add a test that keeps no codepoints. + +int +main (int argc, char **argv) +{ + hb_test_init (&argc, &argv); + + hb_test_add (test_subset_cbdt_noop); + hb_test_add (test_subset_cbdt_keep_one); + hb_test_add (test_subset_cbdt_keep_one_last_subtable); + // The following use manually crafted expectation files as they are not + // binary compatible with FontTools. + hb_test_add (test_subset_cbdt_keep_multiple_subtables); + // Can use FontTools after https://github.com/fonttools/fonttools/issues/1817 + // is resolved. + hb_test_add (test_subset_cbdt_index_format_3); + + return hb_test_run(); +}
diff --git a/test/fuzzing/fonts/NotoColorEmoji.subset.index_format3.ttf b/test/fuzzing/fonts/NotoColorEmoji.subset.index_format3.ttf new file mode 100644 index 0000000..df1ff9b --- /dev/null +++ b/test/fuzzing/fonts/NotoColorEmoji.subset.index_format3.ttf Binary files differ
diff --git a/test/fuzzing/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf b/test/fuzzing/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf new file mode 100644 index 0000000..cdccded --- /dev/null +++ b/test/fuzzing/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf Binary files differ
diff --git a/test/fuzzing/fonts/NotoColorEmoji.subset.ttf b/test/fuzzing/fonts/NotoColorEmoji.subset.ttf new file mode 100644 index 0000000..14a544a --- /dev/null +++ b/test/fuzzing/fonts/NotoColorEmoji.subset.ttf Binary files differ
diff --git a/test/subset/data/Makefile.am b/test/subset/data/Makefile.am index e075d08..4c949b0 100644 --- a/test/subset/data/Makefile.am +++ b/test/subset/data/Makefile.am
@@ -20,6 +20,7 @@ expected/cmap14 \ expected/sbix \ expected/colr \ + expected/cbdt \ fonts \ profiles \ $(NULL)
diff --git a/test/subset/data/Makefile.sources b/test/subset/data/Makefile.sources index 51cc0db..b72f49a 100644 --- a/test/subset/data/Makefile.sources +++ b/test/subset/data/Makefile.sources
@@ -12,6 +12,7 @@ tests/cmap14.tests \ tests/sbix.tests \ tests/colr.tests \ + tests/cbdt.tests \ $(NULL) XFAIL_TESTS = \
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.2049.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.2049.ttf new file mode 100644 index 0000000..b577752 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.2049.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,2049.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,2049.ttf new file mode 100644 index 0000000..6f4814c --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,2049.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,20E3.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,20E3.ttf new file mode 100644 index 0000000..1872d24 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,20E3.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,39,AE,2049,38,20E3.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,39,AE,2049,38,20E3.ttf new file mode 100644 index 0000000..14a544a --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,39,AE,2049,38,20E3.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,AE,2049.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,AE,2049.ttf new file mode 100644 index 0000000..5631ded --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.38,AE,2049.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.39.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.39.ttf new file mode 100644 index 0000000..34e878e --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.39.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.AE.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.AE.ttf new file mode 100644 index 0000000..1764f93 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.default.AE.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.2049.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.2049.ttf new file mode 100644 index 0000000..c9d65cc --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.2049.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,2049.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,2049.ttf new file mode 100644 index 0000000..9b25457 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,2049.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,20E3.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,20E3.ttf new file mode 100644 index 0000000..7b36e6f --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,20E3.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,39,AE,2049,38,20E3.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,39,AE,2049,38,20E3.ttf new file mode 100644 index 0000000..a1fcc8c --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,39,AE,2049,38,20E3.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,AE,2049.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,AE,2049.ttf new file mode 100644 index 0000000..1596444 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.38,AE,2049.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.39.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.39.ttf new file mode 100644 index 0000000..f7075d2 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.39.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.AE.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.AE.ttf new file mode 100644 index 0000000..8a68548 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints-retain-gids.AE.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints.2049.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints.2049.ttf new file mode 100644 index 0000000..073edc9 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints.2049.ttf Binary files differ
diff --git a/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints.38,2049.ttf b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints.38,2049.ttf new file mode 100644 index 0000000..3d9c782 --- /dev/null +++ b/test/subset/data/expected/cbdt/NotoColorEmoji.subset.drop-hints.38,2049.ttf Binary files differ
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diff --git a/test/subset/data/fonts/NotoColorEmoji.subset.gap.ttf b/test/subset/data/fonts/NotoColorEmoji.subset.gap.ttf new file mode 100644 index 0000000..885059a --- /dev/null +++ b/test/subset/data/fonts/NotoColorEmoji.subset.gap.ttf Binary files differ
diff --git a/test/subset/data/fonts/NotoColorEmoji.subset.index_format3.ttf b/test/subset/data/fonts/NotoColorEmoji.subset.index_format3.ttf new file mode 100644 index 0000000..df1ff9b --- /dev/null +++ b/test/subset/data/fonts/NotoColorEmoji.subset.index_format3.ttf Binary files differ
diff --git a/test/subset/data/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf b/test/subset/data/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf new file mode 100644 index 0000000..cdccded --- /dev/null +++ b/test/subset/data/fonts/NotoColorEmoji.subset.multiple_size_tables.ttf Binary files differ
diff --git a/test/subset/data/fonts/NotoColorEmoji.subset.ttf b/test/subset/data/fonts/NotoColorEmoji.subset.ttf new file mode 100644 index 0000000..14a544a --- /dev/null +++ b/test/subset/data/fonts/NotoColorEmoji.subset.ttf Binary files differ
diff --git a/test/subset/data/tests/cbdt.tests b/test/subset/data/tests/cbdt.tests new file mode 100644 index 0000000..5e74fef --- /dev/null +++ b/test/subset/data/tests/cbdt.tests
@@ -0,0 +1,20 @@ +FONTS: +NotoColorEmoji.subset.ttf +NotoColorEmoji.subset.index_format3.ttf +NotoColorEmoji.subset.multiple_size_tables.ttf +NotoColorEmoji.subset.gap.ttf + +PROFILES: +default.txt +drop-hints.txt +drop-hints-retain-gids.txt +retain-gids.txt + +SUBSETS: +89®⁉8⃣ +8®⁉ +8⁉ +® +9 +⁉ +8⃣