summaryrefslogtreecommitdiff
path: root/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh130
1 files changed, 121 insertions, 9 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh
index dc751d88ea9..7873f94faaa 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-layout-gdef-table.hh
@@ -96,6 +96,13 @@ struct AttachList
struct CaretValueFormat1
{
friend struct CaretValue;
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (this);
+ if (unlikely (!out)) return_trace (false);
+ return_trace (true);
+ }
private:
hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction) const
@@ -119,6 +126,13 @@ struct CaretValueFormat1
struct CaretValueFormat2
{
friend struct CaretValue;
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (this);
+ if (unlikely (!out)) return_trace (false);
+ return_trace (true);
+ }
private:
hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
@@ -153,6 +167,15 @@ struct CaretValueFormat3
font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font, var_store);
}
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (this);
+ if (unlikely (!out)) return_trace (false);
+
+ return_trace (out->deviceTable.serialize_copy (c->serializer, deviceTable, this));
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
@@ -185,6 +208,19 @@ struct CaretValue
}
}
+ template <typename context_t, typename ...Ts>
+ typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+ {
+ TRACE_DISPATCH (this, u.format);
+ if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+ switch (u.format) {
+ case 1: return_trace (c->dispatch (u.format1, hb_forward<Ts> (ds)...));
+ case 2: return_trace (c->dispatch (u.format2, hb_forward<Ts> (ds)...));
+ case 3: return_trace (c->dispatch (u.format3, hb_forward<Ts> (ds)...));
+ default:return_trace (c->default_return_value ());
+ }
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
@@ -229,6 +265,19 @@ struct LigGlyph
return carets.len;
}
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->start_embed (*this);
+ if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+
+ + hb_iter (carets)
+ | hb_apply (subset_offset_array (c, out->carets, this))
+ ;
+
+ return_trace (bool (out->carets));
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
@@ -265,6 +314,28 @@ struct LigCaretList
return lig_glyph.get_lig_carets (font, direction, glyph_id, var_store, start_offset, caret_count, caret_array);
}
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ const hb_set_t &glyphset = *c->plan->glyphset ();
+ const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+ auto *out = c->serializer->start_embed (*this);
+ if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+
+ hb_sorted_vector_t<hb_codepoint_t> new_coverage;
+ + hb_zip (this+coverage, ligGlyph)
+ | hb_filter (glyphset, hb_first)
+ | hb_filter (subset_offset_array (c, out->ligGlyph, this), hb_second)
+ | hb_map (hb_first)
+ | hb_map (glyph_map)
+ | hb_sink (new_coverage)
+ ;
+ out->coverage.serialize (c->serializer, out)
+ .serialize (c->serializer, new_coverage.iter ());
+ return_trace (bool (new_coverage));
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
@@ -288,6 +359,34 @@ struct MarkGlyphSetsFormat1
bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
{ return (this+coverage[set_index]).get_coverage (glyph_id) != NOT_COVERED; }
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->start_embed (*this);
+ if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+ out->format = format;
+
+ bool ret = true;
+ for (const LOffsetTo<Coverage>& offset : coverage.iter ())
+ {
+ auto *o = out->coverage.serialize_append (c->serializer);
+ if (unlikely (!o))
+ {
+ ret = false;
+ break;
+ }
+
+ //not using o->serialize_subset (c, offset, this, out) here because
+ //OTS doesn't allow null offset.
+ //See issue: https://github.com/khaledhosny/ots/issues/172
+ c->serializer->push ();
+ c->dispatch (this+offset);
+ c->serializer->add_link (*o, c->serializer->pop_pack ());
+ }
+
+ return_trace (ret && out->coverage.len);
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
@@ -313,6 +412,15 @@ struct MarkGlyphSets
}
}
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ switch (u.format) {
+ case 1: return_trace (u.format1.subset (c));
+ default:return_trace (false);
+ }
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
@@ -356,7 +464,7 @@ struct GDEF
unsigned int get_glyph_class (hb_codepoint_t glyph) const
{ return (this+glyphClassDef).get_class (glyph); }
void get_glyphs_in_class (unsigned int klass, hb_set_t *glyphs) const
- { (this+glyphClassDef).add_class (glyphs, klass); }
+ { (this+glyphClassDef).collect_class (glyphs, klass); }
bool has_mark_attachment_types () const { return markAttachClassDef != 0; }
unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const
@@ -386,7 +494,7 @@ struct GDEF
bool has_var_store () const { return version.to_int () >= 0x00010003u && varStore != 0; }
const VariationStore &get_var_store () const
- { return version.to_int () >= 0x00010003u ? this+varStore : Null(VariationStore); }
+ { return version.to_int () >= 0x00010003u ? this+varStore : Null (VariationStore); }
/* glyph_props is a 16-bit integer where the lower 8-bit have bits representing
* glyph class and other bits, and high 8-bit the mark attachment type (if any).
@@ -416,7 +524,7 @@ struct GDEF
{
void init (hb_face_t *face)
{
- this->table = hb_sanitize_context_t().reference_table<GDEF> (face);
+ this->table = hb_sanitize_context_t ().reference_table<GDEF> (face);
if (unlikely (this->table->is_blacklisted (this->table.get_blob (), face)))
{
hb_blob_destroy (this->table.get_blob ());
@@ -442,16 +550,20 @@ struct GDEF
auto *out = c->serializer->embed (*this);
if (unlikely (!out)) return_trace (false);
- out->glyphClassDef.serialize_subset (c, glyphClassDef, this, out);
- out->attachList = 0;//TODO(subset) serialize_subset (c, attachList, this, out);
- out->ligCaretList = 0;//TODO(subset) serialize_subset (c, ligCaretList, this, out);
- out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this, out);
+ out->glyphClassDef.serialize_subset (c, glyphClassDef, this);
+ out->attachList = 0;//TODO(subset) serialize_subset (c, attachList, this);
+ out->ligCaretList.serialize_subset (c, ligCaretList, this);
+ out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this);
if (version.to_int () >= 0x00010002u)
- out->markGlyphSetsDef = 0;// TODO(subset) serialize_subset (c, markGlyphSetsDef, this, out);
+ {
+ if (!out->markGlyphSetsDef.serialize_subset (c, markGlyphSetsDef, this) &&
+ version.to_int () == 0x00010002u)
+ out->version.minor = 0;
+ }
if (version.to_int () >= 0x00010003u)
- out->varStore = 0;// TODO(subset) serialize_subset (c, varStore, this, out);
+ out->varStore = 0;// TODO(subset) serialize_subset (c, varStore, this);
return_trace (true);
}