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[subset] OTS doesn't allow ligature attachment offset to be 0

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This commit is contained in:
Qunxin Liu 2023-11-08 11:11:51 -08:00 • committed by Behdad Esfahbod
parent 0cbbed57e3
commit 2d001a0adc
7 changed files with 13 additions and 3 deletions
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5
src/OT/Layout/GPOS/AnchorMatrix.hh
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@ -68,15 +68,14 @@ struct AnchorMatrix
if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
out->rows = num_rows;
bool ret = false;
for (const unsigned i : index_iter)
{
auto *offset = c->serializer->embed (matrixZ[i]);
if (!offset) return_trace (false);
ret |= offset->serialize_subset (c, matrixZ[i], this);
offset->serialize_subset (c, matrixZ[i], this);
}
return_trace (ret);
return_trace (true);
}
};

1
test/subset/data/Makefile.am
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@ -73,6 +73,7 @@ EXTRA_DIST += \
expected/collect_name_ids \
expected/instantiate_colrv1 \
expected/instantiate_cff2_update_metrics \
expected/layout.empty_ligature_offset \
fonts \
profiles \
$(NULL)

1
test/subset/data/Makefile.sources
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@ -64,6 +64,7 @@ TESTS = \
tests/collect_name_ids.tests \
tests/instantiate_colrv1.tests \
tests/instantiate_cff2_update_metrics.tests \
tests/layout.empty_ligature_offset.tests \
$(NULL)
# TODO: re-enable once colrv1 subsetting is stabilized.

BIN
test/subset/data/expected/layout.empty_ligature_offset/AnekBangla-latin-subset.default.retain-all-codepoint.ttf Normal file
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test/subset/data/fonts/AnekBangla-latin-subset.ttf Normal file
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8
test/subset/data/tests/layout.empty_ligature_offset.tests Normal file
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@ -0,0 +1,8 @@
FONTS:
AnekBangla-latin-subset.ttf
PROFILES:
default.txt
SUBSETS:
*

1
test/subset/meson.build
View file

@ -66,6 +66,7 @@ tests = [
'collect_name_ids',
'instantiate_colrv1',
'instantiate_cff2_update_metrics',
'layout.empty_ligature_offset',
]
if get_option('experimental_api')