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-rw-r--r--thirdparty/harfbuzz/src/hb-ot-layout-common.hh124
1 files changed, 71 insertions, 53 deletions
diff --git a/thirdparty/harfbuzz/src/hb-ot-layout-common.hh b/thirdparty/harfbuzz/src/hb-ot-layout-common.hh
index 0532039aad..05916a252c 100644
--- a/thirdparty/harfbuzz/src/hb-ot-layout-common.hh
+++ b/thirdparty/harfbuzz/src/hb-ot-layout-common.hh
@@ -84,10 +84,10 @@ using OT::Layout::MediumTypes;
namespace OT {
template<typename Iterator>
-static inline void ClassDef_serialize (hb_serialize_context_t *c,
+static inline bool ClassDef_serialize (hb_serialize_context_t *c,
Iterator it);
-static void ClassDef_remap_and_serialize (
+static bool ClassDef_remap_and_serialize (
hb_serialize_context_t *c,
const hb_set_t &klasses,
bool use_class_zero,
@@ -186,6 +186,7 @@ struct hb_subset_layout_context_t :
unsigned lookup_index_count;
};
+struct VariationStore;
struct hb_collect_variation_indices_context_t :
hb_dispatch_context_t<hb_collect_variation_indices_context_t>
{
@@ -194,15 +195,27 @@ struct hb_collect_variation_indices_context_t :
static return_t default_return_value () { return hb_empty_t (); }
hb_set_t *layout_variation_indices;
+ hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *varidx_delta_map;
+ hb_font_t *font;
+ const VariationStore *var_store;
const hb_set_t *glyph_set;
const hb_map_t *gpos_lookups;
+ float *store_cache;
hb_collect_variation_indices_context_t (hb_set_t *layout_variation_indices_,
+ hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *varidx_delta_map_,
+ hb_font_t *font_,
+ const VariationStore *var_store_,
const hb_set_t *glyph_set_,
- const hb_map_t *gpos_lookups_) :
+ const hb_map_t *gpos_lookups_,
+ float *store_cache_) :
layout_variation_indices (layout_variation_indices_),
+ varidx_delta_map (varidx_delta_map_),
+ font (font_),
+ var_store (var_store_),
glyph_set (glyph_set_),
- gpos_lookups (gpos_lookups_) {}
+ gpos_lookups (gpos_lookups_),
+ store_cache (store_cache_) {}
};
template<typename OutputArray>
@@ -1380,17 +1393,14 @@ struct LookupOffsetList : List16OfOffsetTo<TLookup, OffsetType>
*/
-static void ClassDef_remap_and_serialize (hb_serialize_context_t *c,
+static bool ClassDef_remap_and_serialize (hb_serialize_context_t *c,
const hb_set_t &klasses,
bool use_class_zero,
hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> &glyph_and_klass, /* IN/OUT */
hb_map_t *klass_map /*IN/OUT*/)
{
if (!klass_map)
- {
- ClassDef_serialize (c, glyph_and_klass.iter ());
- return;
- }
+ return ClassDef_serialize (c, glyph_and_klass.iter ());
/* any glyph not assigned a class value falls into Class zero (0),
* if any glyph assigned to class 0, remapping must start with 0->0*/
@@ -1413,7 +1423,7 @@ static void ClassDef_remap_and_serialize (hb_serialize_context_t *c,
}
c->propagate_error (glyph_and_klass, klasses);
- ClassDef_serialize (c, glyph_and_klass.iter ());
+ return ClassDef_serialize (c, glyph_and_klass.iter ());
}
/*
@@ -1495,11 +1505,12 @@ struct ClassDefFormat1_3
? hb_len (hb_iter (glyph_map.keys()) | hb_filter (glyph_filter))
: glyph_map.get_population ();
use_class_zero = use_class_zero && glyph_count <= glyph_and_klass.length;
- ClassDef_remap_and_serialize (c->serializer,
- orig_klasses,
- use_class_zero,
- glyph_and_klass,
- klass_map);
+ if (!ClassDef_remap_and_serialize (c->serializer,
+ orig_klasses,
+ use_class_zero,
+ glyph_and_klass,
+ klass_map))
+ return_trace (false);
return_trace (keep_empty_table || (bool) glyph_and_klass);
}
@@ -1736,11 +1747,12 @@ struct ClassDefFormat2_4
? hb_len (hb_iter (glyphset) | hb_filter (glyph_filter))
: glyph_map.get_population ();
use_class_zero = use_class_zero && glyph_count <= glyph_and_klass.length;
- ClassDef_remap_and_serialize (c->serializer,
- orig_klasses,
- use_class_zero,
- glyph_and_klass,
- klass_map);
+ if (!ClassDef_remap_and_serialize (c->serializer,
+ orig_klasses,
+ use_class_zero,
+ glyph_and_klass,
+ klass_map))
+ return_trace (false);
return_trace (keep_empty_table || (bool) glyph_and_klass);
}
@@ -2124,9 +2136,9 @@ struct ClassDef
};
template<typename Iterator>
-static inline void ClassDef_serialize (hb_serialize_context_t *c,
+static inline bool ClassDef_serialize (hb_serialize_context_t *c,
Iterator it)
-{ c->start_embed<ClassDef> ()->serialize (c, it); }
+{ return (c->start_embed<ClassDef> ()->serialize (c, it)); }
/*
@@ -2280,16 +2292,16 @@ struct VarData
unsigned int count = regionIndices.len;
bool is_long = longWords ();
unsigned word_count = wordCount ();
- unsigned int scount = is_long ? count - word_count : word_count;
+ unsigned int scount = is_long ? count : word_count;
unsigned int lcount = is_long ? word_count : 0;
const HBUINT8 *bytes = get_delta_bytes ();
- const HBUINT8 *row = bytes + inner * (scount + count);
+ const HBUINT8 *row = bytes + inner * get_row_size ();
float delta = 0.;
unsigned int i = 0;
- const HBINT16 *lcursor = reinterpret_cast<const HBINT16 *> (row);
+ const HBINT32 *lcursor = reinterpret_cast<const HBINT32 *> (row);
for (; i < lcount; i++)
{
float scalar = regions.evaluate (regionIndices.arrayZ[i], coords, coord_count, cache);
@@ -2563,7 +2575,7 @@ struct VariationStore
bool serialize (hb_serialize_context_t *c,
const VariationStore *src,
- const hb_array_t <hb_inc_bimap_t> &inner_maps)
+ const hb_array_t <const hb_inc_bimap_t> &inner_maps)
{
TRACE_SERIALIZE (this);
#ifdef HB_NO_VAR
@@ -2618,7 +2630,7 @@ struct VariationStore
return_trace (true);
}
- bool subset (hb_subset_context_t *c) const
+ bool subset (hb_subset_context_t *c, const hb_array_t<const hb_inc_bimap_t> &inner_maps) const
{
TRACE_SUBSET (this);
#ifdef HB_NO_VAR
@@ -2628,22 +2640,7 @@ struct VariationStore
VariationStore *varstore_prime = c->serializer->start_embed<VariationStore> ();
if (unlikely (!varstore_prime)) return_trace (false);
- const hb_set_t *variation_indices = c->plan->layout_variation_indices;
- if (variation_indices->is_empty ()) return_trace (false);
-
- hb_vector_t<hb_inc_bimap_t> inner_maps;
- inner_maps.resize ((unsigned) dataSets.len);
-
- for (unsigned idx : c->plan->layout_variation_indices->iter ())
- {
- uint16_t major = idx >> 16;
- uint16_t minor = idx & 0xFFFF;
-
- if (major >= inner_maps.length)
- return_trace (false);
- inner_maps[major].add (minor);
- }
- varstore_prime->serialize (c->serializer, this, inner_maps.as_array ());
+ varstore_prime->serialize (c->serializer, this, inner_maps);
return_trace (
!c->serializer->in_error()
@@ -3169,28 +3166,36 @@ struct VariationDevice
VariationStore::cache_t *store_cache = nullptr) const
{ return font->em_scalef_y (get_delta (font, store, store_cache)); }
- VariationDevice* copy (hb_serialize_context_t *c, const hb_map_t *layout_variation_idx_map) const
+ VariationDevice* copy (hb_serialize_context_t *c,
+ const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map) const
{
TRACE_SERIALIZE (this);
+ if (!layout_variation_idx_delta_map) return_trace (nullptr);
auto snap = c->snapshot ();
auto *out = c->embed (this);
if (unlikely (!out)) return_trace (nullptr);
- if (!layout_variation_idx_map || layout_variation_idx_map->is_empty ()) return_trace (out);
/* TODO Just get() and bail if NO_VARIATION. Needs to setup the map to return that. */
- if (!layout_variation_idx_map->has (varIdx))
+ if (!layout_variation_idx_delta_map->has (varIdx))
{
c->revert (snap);
return_trace (nullptr);
}
- unsigned new_idx = layout_variation_idx_map->get (varIdx);
+ unsigned new_idx = hb_first (layout_variation_idx_delta_map->get (varIdx));
out->varIdx = new_idx;
return_trace (out);
}
- void record_variation_index (hb_set_t *layout_variation_indices) const
+ void collect_variation_index (hb_collect_variation_indices_context_t *c) const
{
- layout_variation_indices->add (varIdx);
+ c->layout_variation_indices->add (varIdx);
+ int delta = 0;
+ if (c->font && c->var_store)
+ delta = roundf (get_delta (c->font, *c->var_store, c->store_cache));
+
+ /* set new varidx to HB_OT_LAYOUT_NO_VARIATIONS_INDEX here, will remap
+ * varidx later*/
+ c->varidx_delta_map->set (varIdx, hb_pair_t<unsigned, int> (HB_OT_LAYOUT_NO_VARIATIONS_INDEX, delta));
}
bool sanitize (hb_sanitize_context_t *c) const
@@ -3283,7 +3288,8 @@ struct Device
}
}
- Device* copy (hb_serialize_context_t *c, const hb_map_t *layout_variation_idx_map=nullptr) const
+ Device* copy (hb_serialize_context_t *c,
+ const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map=nullptr) const
{
TRACE_SERIALIZE (this);
switch (u.b.format) {
@@ -3295,14 +3301,14 @@ struct Device
#endif
#ifndef HB_NO_VAR
case 0x8000:
- return_trace (reinterpret_cast<Device *> (u.variation.copy (c, layout_variation_idx_map)));
+ return_trace (reinterpret_cast<Device *> (u.variation.copy (c, layout_variation_idx_delta_map)));
#endif
default:
return_trace (nullptr);
}
}
- void collect_variation_indices (hb_set_t *layout_variation_indices) const
+ void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
{
switch (u.b.format) {
#ifndef HB_NO_HINTING
@@ -3313,7 +3319,7 @@ struct Device
#endif
#ifndef HB_NO_VAR
case 0x8000:
- u.variation.record_variation_index (layout_variation_indices);
+ u.variation.collect_variation_index (c);
return;
#endif
default:
@@ -3321,6 +3327,18 @@ struct Device
}
}
+ unsigned get_variation_index () const
+ {
+ switch (u.b.format) {
+#ifndef HB_NO_VAR
+ case 0x8000:
+ return u.variation.varIdx;
+#endif
+ default:
+ return HB_OT_LAYOUT_NO_VARIATIONS_INDEX;
+ }
+ }
+
protected:
union {
DeviceHeader b;