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[arabic] Improve stretch length calculation

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Err on the side of being too short, than too wide.  Reduces chance
of overlaps with neighboring glyphs.
This commit is contained in:
Behdad Esfahbod 2015-11-06 16:29:44 -08:00
parent 59821ab8b4
commit 04ff23e73d
1 changed files with 1 additions and 1 deletions
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src/hb-ot-shape-complex-arabic.cc
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@ -541,7 +541,7 @@ apply_stch (const hb_ot_shape_plan_t *plan,
hb_position_t w_remaining = w_total - w_fixed - overlap;
if (sign * w_remaining > sign * w_repeating && sign * w_repeating > 0)
n_copies = (sign * w_remaining + sign * w_repeating / 2) / (sign * w_repeating) - 1;
n_copies = (sign * w_remaining + sign * w_repeating / 4) / (sign * w_repeating) - 1;
if (step == MEASURE)
{