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37 Commits

Author SHA1 Message Date
Sascha Brawer
3812e992c1 [feaLib] Enumerate also the second glyph class in enum pos statements 
Before this change, the compiler would enumerate only the first
glyph class of a kerning pair. However, that behavior did not match
the behavior of the `makeotf` tool.
 2015-12-21 15:16:47 +01:00
Sascha Brawer
ac86de36fb [feaLib] Implement the lookupflag statement 2015-12-10 19:17:11 +01:00
Sascha Brawer
e0a3350406 [feaLib] Implement GPOS type 8: Chaining contextual positioning 2015-12-09 23:53:20 +01:00
Sascha Brawer
c2c033d3cf [feaLib] Implement GPOS type 6: Mark-to-mark attachment positioning 2015-12-09 17:56:47 +01:00
Sascha Brawer
96223b8aee [feaLib] Implement GPOS type 5: Mark-to-ligature attachment positioning 2015-12-09 16:51:15 +01:00
Sascha Brawer
0fbbe037bf [feaLib] Implement GPOS type 4: Mark-to-Base Attachment Positioning 2015-12-08 22:28:02 +01:00
Sascha Brawer
dfa1551ece [feaLib] Implement markClass statement 2015-12-08 17:04:21 +01:00
Sascha Brawer
c6ee46f299 [feaLib] Implement GPOS type 3: Cursive Attachment Positioning 2015-12-07 23:56:08 +01:00
Sascha Brawer
bdc72e1198 [feaLib] Do not emit empty GSUB and GPOS tables 
The AFDKO `makeotf` tool does not emit empty tables, either.
 2015-12-07 21:38:41 +01:00
Sascha Brawer
3433f363e7 [feaLib] Implement GPOS type 2, format 1 2015-12-07 21:26:58 +01:00
Sascha Brawer
83dbae1da5 [feaLib] Do not emit any Value if ValueFormat is 0 2015-12-07 11:47:55 +01:00
Sascha Brawer
117683680e [feaLib] Emit SinglePos (GPOS type 1) in format 2 when this is more compact 2015-12-07 11:39:14 +01:00
moyogo
c01b956ae7 [feaLib] make Device Table from device tuples 2015-12-05 08:56:46 +00:00
Sascha Brawer
5644da31d2 [feaLib] Parse device tables 2015-12-04 17:10:20 +01:00
Sascha Brawer
46c76dbf1f [feaLib] Parse ValueRecord format C 
However, not sure how to build the otTables object graph for emitting
GPOS tables with device values; the current code thus silently strips
off any device values. Left a TODO comment for implementing this.
 2015-12-04 15:49:04 +01:00
Sascha Brawer
b99f1c9af4 [feaLib] Implement GPOS type 1, Single Adjustment Positioning 2015-12-04 12:22:01 +01:00
Sascha Brawer
cab0067c7e [feaLib] Implement GSUB LookupType 8: Reverse chaining single substitutions 2015-12-03 13:05:42 +01:00
Sascha Brawer
152dff4361 [feaLib] Implement GSUB chain substitution rules 2015-11-30 15:02:09 +01:00
Sascha Brawer
37a79a330c [feaLib] Fix generated LigatureSubst lookups 2015-10-27 22:53:50 +01:00
Sascha Brawer
3f5e2ae820 [feaLib] Add expected output for chain substitution rules 
Generated by running example 1 from the Feature File specification
section 5.f.i (Specifying a Chain Sub rule and marking sub-runs)
through AFDKO's makeotf tool, and then decompiling the resulting
GSUB table with ttx.

The actual test is commented out because the current version of feaLib
is not able to produce this output yet; marked with a TODO comment.
 2015-10-27 20:36:56 +01:00
Sascha Brawer
dbefc71d23 [feaLib] Minor: Rename a test file, for consistency with other test caes 
It is example 1 in section 5.f.i of the specification, and there
more examples in the same section. For consistency, use the same convention
as the other test cases.
 2015-10-27 19:59:25 +01:00
Sascha Brawer
75e4053e39 [feaLib] Handle references to named lookup blocks 2015-09-28 16:49:17 +02:00
Sascha Brawer
17ab15c4af [feaLib] Implement GSUB lookup type 2 2015-09-10 15:28:02 +02:00
Cosimo Lupo
d89bcd422d [feaLib] adjust test data to changes in builder.LookupBuilder 
'LookupList' elements now contains 'Lookup' elements, in turn containing one or more lookup subtables
 2015-09-09 18:21:33 +01:00
Sascha Brawer
4846f9006f [feaLib] Use fontTools wrapper class for otTable's GSUB/GPOS tables 
Resolves df740092d9 (commitcomment-13138084)
 2015-09-09 17:00:27 +02:00
Sascha Brawer
a35291e8c1 [feaLib] Implement required qualifier on language statements 2015-09-08 15:55:54 +02:00
Sascha Brawer
b0bbce88b1 [feaLib] Implement Single Substitution (GSUB lookup type 1) 2015-09-08 10:33:07 +02:00
Sascha Brawer
c1ba66c2ea [feaLib] Write LangSysRecords to GSUB and GPOS tables 2015-09-07 22:03:50 +02:00
Sascha Brawer
6140a4ec2b [feaLib] Build ScriptList subtable 
Also, fixed a bug that caused language tags to be sometimes stripped.
Added an assertion to verify that language tags are always 4 chars.
 2015-09-07 21:34:10 +02:00
Sascha Brawer
d3c743bb27 [feaLib] Build feature tables 2015-09-07 17:22:37 +02:00
Sascha Brawer
0963673d58 [feaLib] Rename a test case, for consistency with other test cases 2015-09-07 16:13:34 +02:00
Sascha Brawer
80de401c09 [feaLib] Implement ligature substitutions 2015-09-07 16:10:13 +02:00
Sascha Brawer
5f2e55d5fc [feaLib] Emit lookups for alternate substitutions 2015-09-07 11:39:09 +02:00
Sascha Brawer
df740092d9 [feaLib] Basic test framework for building OpenType features 2015-09-07 11:39:09 +02:00
Sascha Brawer
00714511f0 [feaLib] Parse chained contextual substitution rules 2015-08-11 12:22:07 +02:00
Sascha Brawer
05fe077654 [feaLib] Parse languagesystem 2015-08-10 11:17:52 +02:00
Sascha Brawer
efbcba79a4 Handle inclusion of OpenType feature files 2015-08-10 11:17:52 +02:00