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[hb-ot-font] Use ascent+descent as fallback vertical advance

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This commit is contained in:
Behdad Esfahbod 2016-10-26 17:54:04 +02:00
parent 9ee23c49a7
commit 63635c763d
1 changed files with 5 additions and 3 deletions
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8
src/hb-ot-font.cc
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@ -55,9 +55,10 @@ struct hb_ot_face_metrics_accelerator_t
inline void init (hb_face_t *face, inline void init (hb_face_t *face,
hb_tag_t _hea_tag, hb_tag_t _hea_tag,
hb_tag_t _mtx_tag, hb_tag_t _mtx_tag,
hb_tag_t os2_tag) hb_tag_t os2_tag,
unsigned int default_advance = 0)
{ {
this->default_advance = face->get_upem (); this->default_advance = default_advance ? default_advance : face->get_upem ();
bool got_font_extents = false; bool got_font_extents = false;
if (os2_tag) if (os2_tag)
@ -391,7 +392,8 @@ _hb_ot_font_create (hb_face_t *face)
ot_font->cmap.init (face); ot_font->cmap.init (face);
ot_font->h_metrics.init (face, HB_OT_TAG_hhea, HB_OT_TAG_hmtx, HB_OT_TAG_os2); ot_font->h_metrics.init (face, HB_OT_TAG_hhea, HB_OT_TAG_hmtx, HB_OT_TAG_os2);
ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_TAG_NONE); /* TODO Can we do this lazily? */ ot_font->v_metrics.init (face, HB_OT_TAG_vhea, HB_OT_TAG_vmtx, HB_TAG_NONE,
ot_font->h_metrics.ascender - ot_font->h_metrics.descender); /* TODO Can we do this lazily? */
ot_font->glyf.init (face); ot_font->glyf.init (face);
return ot_font; return ot_font;