#ifndef HB_OT_LAYOUT_GDEF_TABLE_HH
#define HB_OT_LAYOUT_GDEF_TABLE_HH
-#include "hb-ot-layout-common-private.hh"
+#include "hb-ot-layout-common.hh"
-#include "hb-font-private.hh"
+#include "hb-font.hh"
+namespace OT {
+
/*
* Attachment List Table
*/
-typedef ArrayOf<USHORT> AttachPoint; /* Array of contour point indices--in
- * increasing numerical order */
+/* Array of contour point indices--in increasing numerical order */
+struct AttachPoint : ArrayOf<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
{
- inline unsigned int get_attach_points (hb_codepoint_t glyph_id,
- unsigned int start_offset,
- unsigned int *point_count /* IN/OUT */,
- unsigned int *point_array /* OUT */) const
+ unsigned int get_attach_points (hb_codepoint_t glyph_id,
+ unsigned int start_offset,
+ unsigned int *point_count /* IN/OUT */,
+ unsigned int *point_array /* OUT */) const
{
- unsigned int index = (this+coverage) (glyph_id);
+ unsigned int index = (this+coverage).get_coverage (glyph_id);
if (index == NOT_COVERED)
{
if (point_count)
const AttachPoint &points = this+attachPoint[index];
- if (point_count) {
- const USHORT *array = points.sub_array (start_offset, point_count);
- unsigned int count = *point_count;
+ 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];
}
return points.len;
}
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- return TRACE_RETURN (coverage.sanitize (c, this) && attachPoint.sanitize (c, this));
+ 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, 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 (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);
+ return_trace (coverage.sanitize (c, this) && attachPoint.sanitize (c, this));
}
protected:
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:
- inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id HB_UNUSED) const
+ hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction) const
{
return HB_DIRECTION_IS_HORIZONTAL (direction) ? font->em_scale_x (coordinate) : font->em_scale_y (coordinate);
}
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- return TRACE_RETURN (c->check_struct (this));
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
}
protected:
- USHORT caretValueFormat; /* Format identifier--format = 1 */
- SHORT coordinate; /* X or Y value, in design units */
+ HBUINT16 caretValueFormat; /* Format identifier--format = 1 */
+ FWORD coordinate; /* X or Y value, in design units */
public:
DEFINE_SIZE_STATIC (4);
};
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:
- inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
+ hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
{
hb_position_t x, y;
- if (font->get_glyph_contour_point_for_origin (glyph_id, caretValuePoint, direction, &x, &y))
- return HB_DIRECTION_IS_HORIZONTAL (direction) ? x : y;
- else
- return 0;
+ font->get_glyph_contour_point_for_origin (glyph_id, caretValuePoint, direction, &x, &y);
+ return HB_DIRECTION_IS_HORIZONTAL (direction) ? x : y;
}
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- return TRACE_RETURN (c->check_struct (this));
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
}
protected:
- USHORT caretValueFormat; /* Format identifier--format = 2 */
- USHORT caretValuePoint; /* Contour point index on glyph */
+ HBUINT16 caretValueFormat; /* Format identifier--format = 2 */
+ HBUINT16 caretValuePoint; /* Contour point index on glyph */
public:
DEFINE_SIZE_STATIC (4);
};
{
friend struct CaretValue;
- inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id HB_UNUSED) const
+ hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction,
+ const VariationStore &var_store) const
{
return HB_DIRECTION_IS_HORIZONTAL (direction) ?
- font->em_scale_x (coordinate) + (this+deviceTable).get_x_delta (font) :
- font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font);
+ font->em_scale_x (coordinate) + (this+deviceTable).get_x_delta (font, var_store) :
+ font->em_scale_y (coordinate) + (this+deviceTable).get_y_delta (font, var_store);
}
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- return TRACE_RETURN (c->check_struct (this) && deviceTable.sanitize (c, this));
+ 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);
+ return_trace (c->check_struct (this) && deviceTable.sanitize (c, this));
}
protected:
- USHORT caretValueFormat; /* Format identifier--format = 3 */
- SHORT coordinate; /* X or Y value, in design units */
+ HBUINT16 caretValueFormat; /* Format identifier--format = 3 */
+ FWORD coordinate; /* X or Y value, in design units */
OffsetTo<Device>
deviceTable; /* Offset to Device table for X or Y
* value--from beginning of CaretValue
struct CaretValue
{
- inline hb_position_t get_caret_value (hb_font_t *font, hb_direction_t direction, hb_codepoint_t glyph_id) const
+ hb_position_t get_caret_value (hb_font_t *font,
+ 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, glyph_id);
+ case 1: return u.format1.get_caret_value (font, direction);
case 2: return u.format2.get_caret_value (font, direction, glyph_id);
- case 3: return u.format3.get_caret_value (font, direction, glyph_id);
+ case 3: return u.format3.get_caret_value (font, direction, var_store);
default:return 0;
}
}
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- if (!u.format.sanitize (c)) return TRACE_RETURN (false);
+ 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 ());
+ }
+ }
+
+ 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);
+ if (!u.format.sanitize (c)) return_trace (false);
switch (u.format) {
- case 1: return TRACE_RETURN (u.format1.sanitize (c));
- case 2: return TRACE_RETURN (u.format2.sanitize (c));
- case 3: return TRACE_RETURN (u.format3.sanitize (c));
- default:return TRACE_RETURN (true);
+ case 1: return_trace (u.format1.sanitize (c));
+ case 2: return_trace (u.format2.sanitize (c));
+ case 3: return_trace (u.format3.sanitize (c));
+ default:return_trace (true);
}
}
protected:
union {
- USHORT format; /* Format identifier */
+ HBUINT16 format; /* Format identifier */
CaretValueFormat1 format1;
CaretValueFormat2 format2;
CaretValueFormat3 format3;
struct LigGlyph
{
- inline unsigned int get_lig_carets (hb_font_t *font,
- hb_direction_t direction,
- hb_codepoint_t glyph_id,
- unsigned int start_offset,
- unsigned int *caret_count /* IN/OUT */,
- hb_position_t *caret_array /* OUT */) const
- {
- if (caret_count) {
- const OffsetTo<CaretValue> *array = carets.sub_array (start_offset, caret_count);
- unsigned int count = *caret_count;
- for (unsigned int i = 0; i < count; i++)
- caret_array[i] = (this+array[i]).get_caret_value (font, direction, glyph_id);
+ 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)
+ {
+ + 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;
}
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- return TRACE_RETURN (carets.sanitize (c, this));
+ 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 OffsetTo<CaretValue>& offset : carets.iter ())
+ (this+offset).collect_variation_indices (c->layout_variation_indices);
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (carets.sanitize (c, this));
}
protected:
struct LigCaretList
{
- inline unsigned int get_lig_carets (hb_font_t *font,
- hb_direction_t direction,
- hb_codepoint_t glyph_id,
- unsigned int start_offset,
- unsigned int *caret_count /* IN/OUT */,
- hb_position_t *caret_array /* OUT */) const
- {
- unsigned int index = (this+coverage) (glyph_id);
+ 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 int index = (this+coverage).get_coverage (glyph_id);
if (index == NOT_COVERED)
{
if (caret_count)
return 0;
}
const LigGlyph &lig_glyph = this+ligGlyph[index];
- return lig_glyph.get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array);
+ return lig_glyph.get_lig_carets (font, direction, glyph_id, var_store, start_offset, caret_count, caret_array);
}
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- return TRACE_RETURN (coverage.sanitize (c, this) && ligGlyph.sanitize (c, this));
+ 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));
+ }
+
+ 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);
+ return_trace (coverage.sanitize (c, this) && ligGlyph.sanitize (c, this));
}
protected:
struct MarkGlyphSetsFormat1
{
- inline bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
+ bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
{ return (this+coverage[set_index]).get_coverage (glyph_id) != NOT_COVERED; }
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- return TRACE_RETURN (coverage.sanitize (c, this));
+ 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);
+ return_trace (coverage.sanitize (c, this));
}
protected:
- USHORT format; /* Format identifier--format = 1 */
- LongOffsetArrayOf<Coverage>
+ HBUINT16 format; /* Format identifier--format = 1 */
+ ArrayOf<LOffsetTo<Coverage>>
coverage; /* Array of long offsets to mark set
* coverage tables */
public:
struct MarkGlyphSets
{
- inline bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
+ bool covers (unsigned int set_index, hb_codepoint_t glyph_id) const
{
switch (u.format) {
case 1: return u.format1.covers (set_index, glyph_id);
}
}
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- if (!u.format.sanitize (c)) return TRACE_RETURN (false);
+ 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);
+ if (!u.format.sanitize (c)) return_trace (false);
switch (u.format) {
- case 1: return TRACE_RETURN (u.format1.sanitize (c));
- default:return TRACE_RETURN (true);
+ case 1: return_trace (u.format1.sanitize (c));
+ default:return_trace (true);
}
}
protected:
union {
- USHORT format; /* Format identifier */
+ HBUINT16 format; /* Format identifier */
MarkGlyphSetsFormat1 format1;
} u;
public:
/*
- * GDEF -- The Glyph Definition Table
+ * GDEF -- Glyph Definition
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/gdef
*/
+
struct GDEF
{
- static const hb_tag_t Tag = HB_OT_TAG_GDEF;
+ static constexpr hb_tag_t tableTag = HB_OT_TAG_GDEF;
enum GlyphClasses {
UnclassifiedGlyph = 0,
ComponentGlyph = 4
};
- inline bool has_glyph_classes (void) const { return glyphClassDef != 0; }
- inline unsigned int get_glyph_class (hb_codepoint_t glyph) const
+ bool has_data () const { return version.to_int (); }
+ bool has_glyph_classes () const { return glyphClassDef != 0; }
+ 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).collect_class (glyphs, klass); }
- inline bool has_mark_attachment_types (void) const { return markAttachClassDef != 0; }
- inline unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const
+ bool has_mark_attachment_types () const { return markAttachClassDef != 0; }
+ unsigned int get_mark_attachment_type (hb_codepoint_t glyph) const
{ return (this+markAttachClassDef).get_class (glyph); }
- inline bool has_attach_points (void) const { return attachList != 0; }
- inline unsigned int get_attach_points (hb_codepoint_t glyph_id,
- unsigned int start_offset,
- unsigned int *point_count /* IN/OUT */,
- unsigned int *point_array /* OUT */) const
+ bool has_attach_points () const { return attachList != 0; }
+ unsigned int get_attach_points (hb_codepoint_t glyph_id,
+ unsigned int start_offset,
+ unsigned int *point_count /* IN/OUT */,
+ unsigned int *point_array /* OUT */) const
{ return (this+attachList).get_attach_points (glyph_id, start_offset, point_count, point_array); }
- inline bool has_lig_carets (void) const { return ligCaretList != 0; }
- inline unsigned int get_lig_carets (hb_font_t *font,
- hb_direction_t direction,
- hb_codepoint_t glyph_id,
- unsigned int start_offset,
- unsigned int *caret_count /* IN/OUT */,
- hb_position_t *caret_array /* OUT */) const
- { return (this+ligCaretList).get_lig_carets (font, direction, glyph_id, start_offset, caret_count, caret_array); }
-
- inline bool has_mark_sets (void) const { return version.to_int () >= 0x00010002 && markGlyphSetsDef[0] != 0; }
- inline bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
- { return version.to_int () >= 0x00010002 && (this+markGlyphSetsDef[0]).covers (set_index, glyph_id); }
-
- inline bool sanitize (hb_sanitize_context_t *c) {
- TRACE_SANITIZE ();
- return TRACE_RETURN (version.sanitize (c) &&
- likely (version.major == 1) &&
- glyphClassDef.sanitize (c, this) &&
- attachList.sanitize (c, this) &&
- ligCaretList.sanitize (c, this) &&
- markAttachClassDef.sanitize (c, this) &&
- (version.to_int () < 0x00010002 || markGlyphSetsDef[0].sanitize (c, this)));
- }
-
+ bool has_lig_carets () const { return ligCaretList != 0; }
+ unsigned int get_lig_carets (hb_font_t *font,
+ hb_direction_t direction,
+ hb_codepoint_t glyph_id,
+ unsigned int start_offset,
+ unsigned int *caret_count /* IN/OUT */,
+ hb_position_t *caret_array /* OUT */) const
+ { return (this+ligCaretList).get_lig_carets (font,
+ direction, glyph_id, get_var_store(),
+ start_offset, caret_count, caret_array); }
+
+ bool has_mark_sets () const { return version.to_int () >= 0x00010002u && markGlyphSetsDef != 0; }
+ bool mark_set_covers (unsigned int set_index, hb_codepoint_t glyph_id) const
+ { return version.to_int () >= 0x00010002u && (this+markGlyphSetsDef).covers (set_index, glyph_id); }
+
+ 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); }
/* glyph_props is a 16-bit integer where the lower 8-bit have bits representing
- * glyph class and other bits, and high 8-bit gthe mark attachment type (if any).
+ * glyph class and other bits, and high 8-bit the mark attachment type (if any).
* Not to be confused with lookup_props which is very similar. */
- inline unsigned int get_glyph_props (hb_codepoint_t glyph) const
+ unsigned int get_glyph_props (hb_codepoint_t glyph) const
{
unsigned int klass = get_glyph_class (glyph);
+ static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH == (unsigned int) LookupFlag::IgnoreBaseGlyphs), "");
+ static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE == (unsigned int) LookupFlag::IgnoreLigatures), "");
+ static_assert (((unsigned int) HB_OT_LAYOUT_GLYPH_PROPS_MARK == (unsigned int) LookupFlag::IgnoreMarks), "");
+
switch (klass) {
- default:
- case UnclassifiedGlyph: return HB_OT_LAYOUT_GLYPH_CLASS_UNCLASSIFIED;
- case BaseGlyph: return HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH;
- case LigatureGlyph: return HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE;
- case ComponentGlyph: return HB_OT_LAYOUT_GLYPH_CLASS_COMPONENT;
+ default: return 0;
+ case BaseGlyph: return HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH;
+ case LigatureGlyph: return HB_OT_LAYOUT_GLYPH_PROPS_LIGATURE;
case MarkGlyph:
klass = get_mark_attachment_type (glyph);
- return HB_OT_LAYOUT_GLYPH_CLASS_MARK | (klass << 8);
+ return HB_OT_LAYOUT_GLYPH_PROPS_MARK | (klass << 8);
}
}
+ HB_INTERNAL bool is_blacklisted (hb_blob_t *blob,
+ hb_face_t *face) const;
+
+ struct accelerator_t
+ {
+ void init (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)))
+ {
+ hb_blob_destroy (this->table.get_blob ());
+ this->table = hb_blob_get_empty ();
+ }
+ }
+
+ void fini () { this->table.destroy (); }
+
+ hb_blob_ptr_t<GDEF> table;
+ };
+
+ unsigned int get_size () const
+ {
+ return min_size +
+ (version.to_int () >= 0x00010002u ? markGlyphSetsDef.static_size : 0) +
+ (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);
+
+ bool subset_glyphclassdef = out->glyphClassDef.serialize_subset (c, glyphClassDef, this);
+ 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);
+
+ bool subset_markglyphsetsdef = true;
+ if (version.to_int () >= 0x00010002u)
+ {
+ 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)
+ {
+ subset_varstore = out->varStore.serialize_subset (c, varStore, this);
+ if (!subset_varstore && version.to_int () == 0x00010003u)
+ out->version.minor = 2;
+ }
+
+ 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
+ {
+ TRACE_SANITIZE (this);
+ return_trace (version.sanitize (c) &&
+ likely (version.major == 1) &&
+ glyphClassDef.sanitize (c, this) &&
+ attachList.sanitize (c, this) &&
+ ligCaretList.sanitize (c, this) &&
+ markAttachClassDef.sanitize (c, this) &&
+ (version.to_int () < 0x00010002u || markGlyphSetsDef.sanitize (c, this)) &&
+ (version.to_int () < 0x00010003u || varStore.sanitize (c, this)));
+ }
protected:
- FixedVersion version; /* Version of the GDEF table--currently
- * 0x00010002 */
+ FixedVersion<>version; /* Version of the GDEF table--currently
+ * 0x00010003u */
OffsetTo<ClassDef>
glyphClassDef; /* Offset to class definition table
* for glyph type--from beginning of
* mark attachment type--from beginning
* of GDEF header (may be Null) */
OffsetTo<MarkGlyphSets>
- markGlyphSetsDef[VAR]; /* Offset to the table of mark set
+ markGlyphSetsDef; /* Offset to the table of mark set
* definitions--from beginning of GDEF
* header (may be NULL). Introduced
- * in version 00010002. */
+ * in version 0x00010002. */
+ LOffsetTo<VariationStore>
+ varStore; /* Offset to the table of Item Variation
+ * Store--from beginning of GDEF
+ * header (may be NULL). Introduced
+ * in version 0x00010003. */
public:
- DEFINE_SIZE_ARRAY (12, markGlyphSetsDef);
+ DEFINE_SIZE_MIN (12);
};
+struct GDEF_accelerator_t : GDEF::accelerator_t {};
+
+} /* namespace OT */
#endif /* HB_OT_LAYOUT_GDEF_TABLE_HH */
projects / platform / upstream / harfbuzz.git / blobdiff