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[fvar] Centralize axis finding logic 

Part of fixing https://github.com/harfbuzz/harfbuzz/issues/1673
This commit is contained in:
Behdad Esfahbod 2021-07-22 11:59:23 -07:00
parent 0b2280af90
commit 89018068cd
1 changed files with 10 additions and 3 deletions
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13
src/hb-ot-var-fvar-table.hh
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@ -211,17 +211,24 @@ struct fvar
if (!axis_index) axis_index = &i;
*axis_index = HB_OT_VAR_NO_AXIS_INDEX;
auto axes = get_axes ();
return axes.lfind (tag, axis_index) && (axes[*axis_index].get_axis_deprecated (info), true);
return find_axis_index (tag, axis_index) && (axes[*axis_index].get_axis_deprecated (info), true);
}
#endif
/* Returns index of the first occurence of tag, if there are multiple ones. */
bool
find_axis_index (hb_tag_t tag, unsigned *axis_index) const
{
auto axes = get_axes ();
/* TODO bfind() for larger array? Should then look back to find first entry for tag. */
return axes.lfind (tag, axis_index);
}
bool
find_axis_info (hb_tag_t tag, hb_ot_var_axis_info_t *info) const
{
unsigned i;
auto axes = get_axes ();
/* TODO bfind() for larger array? Should then look back to find first entry for tag. */
return axes.lfind (tag, &i) && (axes[i].get_axis_info (i, info), true);
return find_axis_index (tag, &i) && (axes[i].get_axis_info (i, info), true);
}
int normalize_axis_value (unsigned int axis_index, float v) const