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[layout] Fetch default font extents if localized extents not found

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Behdad Esfahbod 2023-05-19 13:18:06 -06:00
parent 8ccc1ff21e
commit 02e0e9394b
1 changed files with 13 additions and 0 deletions
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13
src/hb-ot-layout.cc
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@ -2068,6 +2068,12 @@ choose_base_tags (hb_script_t script,
* Fetches script/language-specific font extents. These values are
* looked up in the `BASE` table's `MinMax` records.
*
* If no such extents are found, the default extents for the font are
* fetched. As such, the return value of this function can for the
* most part be ignored. Note that the per-script/language extents
* do not have a line-gap value, and the line-gap is set to zero in
* that case.
*
* Return value: `true` if found script/language-specific font extents.
*
* XSince: REPLACEME
@ -2092,6 +2098,7 @@ hb_ot_layout_get_font_extents (hb_font_t *font,
return true;
}
hb_font_get_extents_for_direction (font, direction, extents);
return false;
}
@ -2106,6 +2113,12 @@ hb_ot_layout_get_font_extents (hb_font_t *font,
* Fetches script/language-specific font extents. These values are
* looked up in the `BASE` table's `MinMax` records.
*
* If no such extents are found, the default extents for the font are
* fetched. As such, the return value of this function can for the
* most part be ignored. Note that the per-script/language extents
* do not have a line-gap value, and the line-gap is set to zero in
* that case.
*
* Return value: `true` if found script/language-specific font extents.
*
* XSince: REPLACEME