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-rw-r--r--thirdparty/harfbuzz/src/hb-ot-var-fvar-table.hh61
1 files changed, 46 insertions, 15 deletions
diff --git a/thirdparty/harfbuzz/src/hb-ot-var-fvar-table.hh b/thirdparty/harfbuzz/src/hb-ot-var-fvar-table.hh
index c5c476bc0e..b9b49f2287 100644
--- a/thirdparty/harfbuzz/src/hb-ot-var-fvar-table.hh
+++ b/thirdparty/harfbuzz/src/hb-ot-var-fvar-table.hh
@@ -96,6 +96,8 @@ struct AxisRecord
info->reserved = 0;
}
+ hb_tag_t get_axis_tag () const { return axisTag; }
+
int normalize_axis_value (float v) const
{
float min_value, default_value, max_value;
@@ -133,7 +135,6 @@ struct AxisRecord
return_trace (c->check_struct (this));
}
- protected:
void get_coordinates (float &min, float &default_, float &max) const
{
default_ = defaultValue / 65536.f;
@@ -142,6 +143,11 @@ struct AxisRecord
max = hb_max (default_, maxValue / 65536.f);
}
+ float get_default () const
+ {
+ return defaultValue / 65536.f;
+ }
+
public:
Tag axisTag; /* Tag identifying the design variation for the axis. */
protected:
@@ -270,24 +276,49 @@ struct fvar
return axisCount;
}
- void collect_name_ids (hb_set_t *nameids) const
+ void collect_name_ids (hb_hashmap_t<hb_tag_t, float> *user_axes_location,
+ hb_set_t *nameids /* IN/OUT */) const
{
if (!has_data ()) return;
+ hb_map_t pinned_axes;
- + get_axes ()
- | hb_map (&AxisRecord::get_name_id)
- | hb_sink (nameids)
- ;
-
- + hb_range ((unsigned) instanceCount)
- | hb_map ([this] (const unsigned _) { return get_instance_subfamily_name_id (_); })
- | hb_sink (nameids)
- ;
+ auto axis_records = get_axes ();
+ for (unsigned i = 0 ; i < (unsigned)axisCount; i++)
+ {
+ hb_tag_t axis_tag = axis_records[i].get_axis_tag ();
+ if (user_axes_location->has (axis_tag))
+ {
+ pinned_axes.set (i, axis_tag);
+ continue;
+ }
+
+ nameids->add (axis_records[i].get_name_id ());
+ }
- + hb_range ((unsigned) instanceCount)
- | hb_map ([this] (const unsigned _) { return get_instance_postscript_name_id (_); })
- | hb_sink (nameids)
- ;
+ for (unsigned i = 0 ; i < (unsigned)instanceCount; i++)
+ {
+ const InstanceRecord *instance = get_instance (i);
+
+ if (hb_any (+ hb_zip (instance->get_coordinates (axisCount), hb_range ((unsigned)axisCount))
+ | hb_filter (pinned_axes, hb_second)
+ | hb_map ([&] (const hb_pair_t<const HBFixed&, unsigned>& _)
+ {
+ hb_tag_t axis_tag = pinned_axes.get (_.second);
+ float location = user_axes_location->get (axis_tag);
+ if (fabs ((double)location - (double)_.first.to_float ()) > 0.001) return true;
+ return false;
+ })
+ ))
+ continue;
+
+ nameids->add (instance->subfamilyNameID);
+
+ if (instanceSize >= axisCount * 4 + 6)
+ {
+ unsigned post_script_name_id = StructAfter<NameID> (instance->get_coordinates (axisCount));
+ if (post_script_name_id != HB_OT_NAME_ID_INVALID) nameids->add (post_script_name_id);
+ }
+ }
}
public: