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[ot-font] Cache v_advance varstore as well

This commit is contained in:
Behdad Esfahbod 2022-05-21 15:20:23 -06:00
parent d9acc045f1
commit 099482a37a
1 changed files with 9 additions and 1 deletions
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10
src/hb-ot-font.cc
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@ -138,12 +138,20 @@ hb_ot_get_glyph_v_advances (hb_font_t* font, void* font_data,
const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx;
if (vmtx.has_data ())
{
const OT::HVARVVAR &VVAR = *vmtx.var_table;
const OT::VariationStore &varStore = &VVAR + VVAR.varStore;
OT::VariationStore::cache_t *cache = font->num_coords ? varStore.create_cache () : nullptr;
for (unsigned int i = 0; i < count; i++)
{
*first_advance = font->em_scale_y (-(int) vmtx.get_advance (*first_glyph, font));
*first_advance = font->em_scale_y (-(int) vmtx.get_advance (*first_glyph, font, cache));
first_glyph = &StructAtOffsetUnaligned<hb_codepoint_t> (first_glyph, glyph_stride);
first_advance = &StructAtOffsetUnaligned<hb_position_t> (first_advance, advance_stride);
}
OT::VariationStore::destroy_cache (cache);
}
else
{
hb_font_extents_t font_extents;