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[feaLib] Add test case for chaining GSUB type 6 to GSUB type 1

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This commit is contained in:
Sascha Brawer 2016-01-07 09:25:08 +01:00
parent e2405c9aef
commit b19c6b3dec
2 changed files with 76 additions and 4 deletions
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6
Lib/fontTools/feaLib/testdata/GSUB_6.fea vendored
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@ -1,7 +1,13 @@
lookup ChainedSingleSubst {
substitute [one two] three A' by A.sc;
substitute [B-D]' seven [eight nine] by [B.sc-D.sc];
} ChainedSingleSubst;
lookup ChainedMultipleSubst {
substitute [A-C a-c] [D d] E c_t' V [W w] [X-Z x-z] by c t;
} ChainedMultipleSubst;
feature test {
lookup ChainedSingleSubst;
lookup ChainedMultipleSubst;
} test;

74
Lib/fontTools/feaLib/testdata/GSUB_6.ttx vendored
View File

@ -22,14 +22,80 @@
<FeatureRecord index="0">
<FeatureTag value="test"/>
<Feature>
<!-- LookupCount=1 -->
<!-- LookupCount=2 -->
<LookupListIndex index="0" value="1"/>
<LookupListIndex index="1" value="4"/>
</Feature>
</FeatureRecord>
</FeatureList>
<LookupList>
<!-- LookupCount=2 -->
<!-- LookupCount=5 -->
<Lookup index="0">
<!-- LookupType=1 -->
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<SingleSubst index="0">
<Substitution in="A" out="A.sc"/>
</SingleSubst>
</Lookup>
<Lookup index="1">
<!-- LookupType=6 -->
<LookupFlag value="0"/>
<!-- SubTableCount=2 -->
<ChainContextSubst index="0" Format="3">
<!-- BacktrackGlyphCount=2 -->
<BacktrackCoverage index="0">
<Glyph value="three"/>
</BacktrackCoverage>
<BacktrackCoverage index="1">
<Glyph value="one"/>
<Glyph value="two"/>
</BacktrackCoverage>
<!-- InputGlyphCount=1 -->
<InputCoverage index="0">
<Glyph value="A"/>
</InputCoverage>
<!-- LookAheadGlyphCount=0 -->
<!-- SubstCount=1 -->
<SubstLookupRecord index="0">
<SequenceIndex value="0"/>
<LookupListIndex value="0"/>
</SubstLookupRecord>
</ChainContextSubst>
<ChainContextSubst index="1" Format="3">
<!-- BacktrackGlyphCount=0 -->
<!-- InputGlyphCount=1 -->
<InputCoverage index="0">
<Glyph value="B"/>
<Glyph value="C"/>
<Glyph value="D"/>
</InputCoverage>
<!-- LookAheadGlyphCount=2 -->
<LookAheadCoverage index="0">
<Glyph value="seven"/>
</LookAheadCoverage>
<LookAheadCoverage index="1">
<Glyph value="eight"/>
<Glyph value="nine"/>
</LookAheadCoverage>
<!-- SubstCount=1 -->
<SubstLookupRecord index="0">
<SequenceIndex value="0"/>
<LookupListIndex value="None"/>
</SubstLookupRecord>
</ChainContextSubst>
</Lookup>
<Lookup index="2">
<!-- LookupType=1 -->
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<SingleSubst index="0">
<Substitution in="B" out="B.sc"/>
<Substitution in="C" out="C.sc"/>
<Substitution in="D" out="D.sc"/>
</SingleSubst>
</Lookup>
<Lookup index="3">
<!-- LookupType=2 -->
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
@ -37,7 +103,7 @@
<Substitution in="c_t" out="c,t"/>
</MultipleSubst>
</Lookup>
<Lookup index="1">
<Lookup index="4">
<!-- LookupType=6 -->
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
@ -81,7 +147,7 @@
<!-- SubstCount=1 -->
<SubstLookupRecord index="0">
<SequenceIndex value="0"/>
<LookupListIndex value="0"/>
<LookupListIndex value="3"/>
</SubstLookupRecord>
</ChainContextSubst>
</Lookup>