* Attachment List Table
*/
-typedef ArrayOf<HBUINT16> AttachPoint; /* Array of contour point indices--in
- * increasing numerical order */
+/* Array of contour point indices--in increasing numerical order */
+struct AttachPoint : Array16Of<HBUINT16>
+{
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->start_embed (*this);
+ if (unlikely (!out)) return_trace (false);
+
+ return_trace (out->serialize (c->serializer, + iter ()));
+ }
+};
struct AttachList
{
if (point_count)
{
- hb_array_t<const HBUINT16> array = points.sub_array (start_offset, point_count);
- unsigned int count = array.length;
- for (unsigned int i = 0; i < count; i++)
- point_array[i] = array[i];
+ + points.sub_array (start_offset, point_count)
+ | hb_sink (hb_array (point_array, *point_count))
+ ;
}
return points.len;
}
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
+ 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, attachPoint)
+ | hb_filter (glyphset, hb_first)
+ | hb_filter (subset_offset_array (c, out->attachPoint, this), hb_second)
+ | hb_map (hb_first)
+ | hb_map (glyph_map)
+ | hb_sink (new_coverage)
+ ;
+ out->coverage.serialize_serialize (c->serializer, new_coverage.iter ());
+ return_trace (bool (new_coverage));
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
}
protected:
- OffsetTo<Coverage>
+ Offset16To<Coverage>
coverage; /* Offset to Coverage table -- from
* beginning of AttachList table */
- OffsetArrayOf<AttachPoint>
+ Array16OfOffset16To<AttachPoint>
attachPoint; /* Array of AttachPoint tables
* in Coverage Index order */
public:
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
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
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, c->serializer->to_bias (out),
+ hb_serialize_context_t::Head, c->plan->layout_variation_idx_map));
+ }
+
+ void collect_variation_indices (hb_set_t *layout_variation_indices) const
+ { (this+deviceTable).collect_variation_indices (layout_variation_indices); }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
protected:
HBUINT16 caretValueFormat; /* Format identifier--format = 3 */
FWORD coordinate; /* X or Y value, in design units */
- OffsetTo<Device>
+ Offset16To<Device>
deviceTable; /* Offset to Device table for X or Y
* value--from beginning of CaretValue
* table */
struct CaretValue
{
hb_position_t get_caret_value (hb_font_t *font,
- hb_direction_t direction,
- hb_codepoint_t glyph_id,
- const VariationStore &var_store) const
+ hb_direction_t direction,
+ hb_codepoint_t glyph_id,
+ const VariationStore &var_store) const
{
switch (u.format) {
case 1: return u.format1.get_caret_value (font, direction);
}
}
+ 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, std::forward<Ts> (ds)...));
+ case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+ case 3: return_trace (c->dispatch (u.format3, std::forward<Ts> (ds)...));
+ default:return_trace (c->default_return_value ());
+ }
+ }
+
+ void collect_variation_indices (hb_set_t *layout_variation_indices) const
+ {
+ switch (u.format) {
+ case 1:
+ case 2:
+ return;
+ case 3:
+ u.format3.collect_variation_indices (layout_variation_indices);
+ return;
+ default: return;
+ }
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
struct LigGlyph
{
- unsigned int get_lig_carets (hb_font_t *font,
- hb_direction_t direction,
- hb_codepoint_t glyph_id,
- const VariationStore &var_store,
- unsigned int start_offset,
- unsigned int *caret_count /* IN/OUT */,
- hb_position_t *caret_array /* OUT */) const
+ unsigned get_lig_carets (hb_font_t *font,
+ hb_direction_t direction,
+ hb_codepoint_t glyph_id,
+ const VariationStore &var_store,
+ unsigned start_offset,
+ unsigned *caret_count /* IN/OUT */,
+ hb_position_t *caret_array /* OUT */) const
{
if (caret_count)
{
- hb_array_t <const OffsetTo<CaretValue>> array = carets.sub_array (start_offset, caret_count);
- unsigned int count = array.length;
- for (unsigned int i = 0; i < count; i++)
- caret_array[i] = (this+array[i]).get_caret_value (font, direction, glyph_id, var_store);
+ + carets.sub_array (start_offset, caret_count)
+ | hb_map (hb_add (this))
+ | hb_map ([&] (const CaretValue &value) { return value.get_caret_value (font, direction, glyph_id, var_store); })
+ | hb_sink (hb_array (caret_array, *caret_count))
+ ;
}
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));
+ }
+
+ void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+ {
+ for (const Offset16To<CaretValue>& offset : carets.iter ())
+ (this+offset).collect_variation_indices (c->layout_variation_indices);
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
}
protected:
- OffsetArrayOf<CaretValue>
+ Array16OfOffset16To<CaretValue>
carets; /* Offset array of CaretValue tables
* --from beginning of LigGlyph table
* --in increasing coordinate order */
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_gsub ();
+ 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_serialize (c->serializer, new_coverage.iter ());
+ return_trace (bool (new_coverage));
+ }
+
+ void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+ {
+ + hb_zip (this+coverage, ligGlyph)
+ | hb_filter (c->glyph_set, hb_first)
+ | hb_map (hb_second)
+ | hb_map (hb_add (this))
+ | hb_apply ([c] (const LigGlyph& _) { _.collect_variation_indices (c); })
+ ;
+ }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
}
protected:
- OffsetTo<Coverage>
+ Offset16To<Coverage>
coverage; /* Offset to Coverage table--from
* beginning of LigCaretList table */
- OffsetArrayOf<LigGlyph>
+ Array16OfOffset16To<LigGlyph>
ligGlyph; /* Array of LigGlyph tables
* in Coverage Index order */
public:
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 Offset32To<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);
protected:
HBUINT16 format; /* Format identifier--format = 1 */
- ArrayOf<LOffsetTo<Coverage>>
+ Array16Of<Offset32To<Coverage>>
coverage; /* Array of long offsets to mark set
* coverage tables */
public:
}
}
+ 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);
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
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).
}
}
- HB_INTERNAL bool is_blacklisted (hb_blob_t *blob,
+ HB_INTERNAL bool is_blocklisted (hb_blob_t *blob,
hb_face_t *face) const;
struct accelerator_t
{
- void init (hb_face_t *face)
+ accelerator_t (hb_face_t *face)
{
- this->table = hb_sanitize_context_t().reference_table<GDEF> (face);
- if (unlikely (this->table->is_blacklisted (this->table.get_blob (), face)))
+ table = hb_sanitize_context_t ().reference_table<GDEF> (face);
+ if (unlikely (table->is_blocklisted (table.get_blob (), face)))
{
- hb_blob_destroy (this->table.get_blob ());
- this->table = hb_blob_get_empty ();
+ hb_blob_destroy (table.get_blob ());
+ table = hb_blob_get_empty ();
}
}
-
- void fini () { this->table.destroy (); }
+ ~accelerator_t () { table.destroy (); }
hb_blob_ptr_t<GDEF> table;
};
(version.to_int () >= 0x00010003u ? varStore.static_size : 0);
}
+ void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
+ { (this+ligCaretList).collect_variation_indices (c); }
+
+ void remap_layout_variation_indices (const hb_set_t *layout_variation_indices,
+ hb_map_t *layout_variation_idx_map /* OUT */) const
+ {
+ if (version.to_int () < 0x00010003u || !varStore) return;
+ if (layout_variation_indices->is_empty ()) return;
+
+ unsigned new_major = 0, new_minor = 0;
+ unsigned last_major = (layout_variation_indices->get_min ()) >> 16;
+ for (unsigned idx : layout_variation_indices->iter ())
+ {
+ uint16_t major = idx >> 16;
+ if (major >= (this+varStore).get_sub_table_count ()) break;
+ if (major != last_major)
+ {
+ new_minor = 0;
+ ++new_major;
+ }
+
+ unsigned new_idx = (new_major << 16) + new_minor;
+ layout_variation_idx_map->set (idx, new_idx);
+ ++new_minor;
+ last_major = major;
+ }
+ }
+
bool subset (hb_subset_context_t *c) const
{
TRACE_SUBSET (this);
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);
+ bool subset_glyphclassdef = out->glyphClassDef.serialize_subset (c, glyphClassDef, this, nullptr, false, true);
+ bool subset_attachlist = out->attachList.serialize_subset (c, attachList, this);
+ bool subset_ligcaretlist = out->ligCaretList.serialize_subset (c, ligCaretList, this);
+ bool subset_markattachclassdef = out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this, nullptr, false, true);
+ bool subset_markglyphsetsdef = true;
if (version.to_int () >= 0x00010002u)
- out->markGlyphSetsDef = 0;// TODO(subset) serialize_subset (c, markGlyphSetsDef, this, out);
+ {
+ subset_markglyphsetsdef = out->markGlyphSetsDef.serialize_subset (c, markGlyphSetsDef, this);
+ if (!subset_markglyphsetsdef &&
+ version.to_int () == 0x00010002u)
+ out->version.minor = 0;
+ }
+ bool subset_varstore = true;
if (version.to_int () >= 0x00010003u)
- out->varStore = 0;// TODO(subset) serialize_subset (c, varStore, this, out);
+ {
+ subset_varstore = out->varStore.serialize_subset (c, varStore, this);
+ if (!subset_varstore && version.to_int () == 0x00010003u)
+ out->version.minor = 2;
+ }
- return_trace (true);
+ return_trace (subset_glyphclassdef || subset_attachlist ||
+ subset_ligcaretlist || subset_markattachclassdef ||
+ (out->version.to_int () >= 0x00010002u && subset_markglyphsetsdef) ||
+ (out->version.to_int () >= 0x00010003u && subset_varstore));
}
bool sanitize (hb_sanitize_context_t *c) const
protected:
FixedVersion<>version; /* Version of the GDEF table--currently
* 0x00010003u */
- OffsetTo<ClassDef>
+ Offset16To<ClassDef>
glyphClassDef; /* Offset to class definition table
* for glyph type--from beginning of
* GDEF header (may be Null) */
- OffsetTo<AttachList>
+ Offset16To<AttachList>
attachList; /* Offset to list of glyphs with
* attachment points--from beginning
* of GDEF header (may be Null) */
- OffsetTo<LigCaretList>
+ Offset16To<LigCaretList>
ligCaretList; /* Offset to list of positioning points
* for ligature carets--from beginning
* of GDEF header (may be Null) */
- OffsetTo<ClassDef>
+ Offset16To<ClassDef>
markAttachClassDef; /* Offset to class definition table for
* mark attachment type--from beginning
* of GDEF header (may be Null) */
- OffsetTo<MarkGlyphSets>
+ Offset16To<MarkGlyphSets>
markGlyphSetsDef; /* Offset to the table of mark set
* definitions--from beginning of GDEF
* header (may be NULL). Introduced
* in version 0x00010002. */
- LOffsetTo<VariationStore>
+ Offset32To<VariationStore>
varStore; /* Offset to the table of Item Variation
* Store--from beginning of GDEF
* header (may be NULL). Introduced
DEFINE_SIZE_MIN (12);
};
-struct GDEF_accelerator_t : GDEF::accelerator_t {};
+struct GDEF_accelerator_t : GDEF::accelerator_t {
+ GDEF_accelerator_t (hb_face_t *face) : GDEF::accelerator_t (face) {}
+};
} /* namespace OT */