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[arabic] Fix fallback shaping regression 

Was broken in 615d00ea25.

Fixes https://github.com/behdad/harfbuzz/pull/48

Micro-test added.
This commit is contained in:
Behdad Esfahbod 2014-08-05 14:19:01 -04:00
parent 91c2c0fd2b
commit d5e61470fa
6 changed files with 6 additions and 2 deletions
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4
src/hb-ot-shape-complex-arabic.cc
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@ -223,8 +223,8 @@ data_create_arabic (const hb_ot_shape_plan_t *plan)
for (unsigned int i = 0; i < ARABIC_NUM_FEATURES; i++) {
arabic_plan->mask_array[i] = plan->map.get_1_mask (arabic_features[i]);
arabic_plan->do_fallback = arabic_plan->do_fallback &&
!FEATURE_IS_SYRIAC (arabic_features[i]) &&
plan->map.needs_fallback (arabic_features[i]);
(FEATURE_IS_SYRIAC (arabic_features[i]) ||
plan->map.needs_fallback (arabic_features[i]));
}
return arabic_plan;

1
test/shaping/Makefile.am
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@ -36,6 +36,7 @@ CLEANFILES += \
$(NULL)
TESTS = \
tests/arabic-fallback-shaping.tests \
tests/arabic-feature-order.tests \
tests/context-matching.tests \
tests/hangul-jamo.tests \

1
test/shaping/fonts/sha1sum/MANIFEST
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@ -12,6 +12,7 @@ a919b33197965846f21074b24e30250d67277bce.ttf
bb29ce50df2bdba2d10726427c6b7609bf460e04.ttf
bb9473d2403488714043bcfb946c9f78b86ad627.ttf
d629e7fedc0b350222d7987345fe61613fa3929a.ttf
df768b9c257e0c9c35786c47cae15c46571d56be.ttf
e207635780b42f898d58654b65098763e340f5c7.ttf
ef86fe710cfea877bbe0dbb6946a1f88d0661031.ttf
f499fbc23865022234775c43503bba2e63978fe1.ttf

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test/shaping/fonts/sha1sum/df768b9c257e0c9c35786c47cae15c46571d56be.ttf Normal file
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1
test/shaping/tests/MANIFEST
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@ -1,3 +1,4 @@
arabic-fallback-shaping.tests
arabic-feature-order.tests
context-matching.tests
hangul-jamo.tests

1
test/shaping/tests/arabic-fallback-shaping.tests Normal file
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@ -0,0 +1 @@
fonts/sha1sum/df768b9c257e0c9c35786c47cae15c46571d56be.ttf:U+0633,U+064F,U+0644,U+064E,U+0651,U+0627,U+0651,U+0650,U+0645,U+062A,U+06CC:[uni06CC.fina=10+1655|uni062A.medi=9+868|uni0645.init=8+1098|uni0650=2@208,0+0|uni0651=2@272,768+0|uni064E=2@944,1216+0|uni0651=2@1008,768+0|uni06440627.fina=2+1470|uni064F=0@576,-32+0|uni0633.init=0+1585]