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67 Commits

Author SHA1 Message Date
Qunxin Liu 96ed20725c [instancer] update bound metrics for CFF2 instancing 2023-04-05 17:27:11 -06:00
Behdad Esfahbod 23435d5285 [hvar] Rename advance function for clarity 2022-07-03 13:04:27 -06:00
Behdad Esfahbod 9f974cae4a [hvar] Rename lsb function for clarity 2022-07-03 13:03:12 -06:00
Behdad Esfahbod ab5ce64313 [VVAR] Rename vorg function for clarity 2022-07-03 13:00:22 -06:00
Behdad Esfahbod 71d52e10aa [var] Fix getting side-bearing variations 
In HVAR/VVAR, if the side-bearing mappings are null, it means the
table does not have them and they should be loaded from glyf table.
Previous logic was returning zer0.

Part of fixing https://github.com/harfbuzz/harfbuzz/issues/1694
 2022-07-03 12:39:55 -06:00
Behdad Esfahbod 13c499cb26 [hvar] Minor internal rewiring 
Not passing font to functions makes it more clear that they don't
scale values.
 2022-06-30 14:25:09 -06:00
Behdad Esfahbod d5921b379b [tt-font] Apply VVAR.vOrg variation to VORG origin 
Mostly fixes https://github.com/harfbuzz/harfbuzz/issues/1694
 2022-06-30 14:09:09 -06:00
Behdad Esfahbod 5336ba70f6 [HVAR] Cache VarStore region scalars 2022-05-21 15:12:14 -06:00
Behdad Esfahbod de2cef42b4 [bimap] Remove init/fini 2022-01-18 09:21:31 -07:00
Qunxin Liu f55d834736 [subset] Move struct DeltaSetIndexMap into hb-ot-var-common.hh 
Also fix naming issues in review comments
 2021-10-23 11:22:39 -07:00
Garret Rieger 46d4a5e673 [subset] Convert subset plan to use a flags bit set. 2021-07-29 18:02:34 -07:00
Behdad Esfahbod f0a1892ff9 [serialize] Remove unnecessary pointer indirection 2021-07-28 17:36:22 -06:00
Garret Rieger 0da9158f62 [subset] Remove OffsetTo::serialize(). 
Convert remaining uses of it to serialize_serialize() which correctly uses the object packer.
 2021-06-30 14:05:48 -07:00
Behdad Esfahbod ad28f973f3 Rename offset types to be explicit about their size 
Add Offset16To<>, Offset24To<>, and Offset32To<> for most use-cases.
 2021-03-31 13:00:07 -06:00
Behdad Esfahbod 0f7f7536b9 [hvar] Change variation-index types from "unsigned int" to uint32_t 2021-03-31 11:31:49 -06:00
Ebrahim Byagowi 2dda6dd744 minor, tweak spacing 
turn 8 spaces to tab, add space before Null/Crap
 2020-04-20 16:18:29 +04:30
Michiharu Ariza d2ab1ec65b fixes oss-fuzz 19978: Null-dereference READ (#2091) 2020-01-10 07:54:16 +03:30
Ebrahim Byagowi 5e55a6d691
[subset/hvar] minor 
not super excited about state of the code around, assuming was needed
so let's add this may unlikely check also.
 2020-01-09 23:40:40 +03:30
Ebrahim Byagowi 7950beecfc
[subset] Fix null pointer dereference in hvar/vvar subset (#2085) 
Rest of the code assumes there is at least one subtable, lets return here if not.

* https://crbug.com/oss-fuzz/19827
* https://crbug.com/oss-fuzz/19847
 2020-01-06 21:25:00 +03:30
Ebrahim Byagowi e7d1aeb610
[hvar] minor, fix unlikely statement 2020-01-06 12:48:22 +03:30
Ebrahim Byagowi 9e48c6e9ef minor, use private API of hb_set_t where possible 2019-12-31 15:57:39 +03:30
Ebrahim Byagowi ce114d6b27 minor, tweak spaces 2019-12-31 15:53:02 +03:30
Ebrahim Byagowi 453050ad30 Merge remote-tracking branch 'upstream/master' into var-subset 2019-10-13 08:45:29 +03:30
Ebrahim Byagowi d73cdcf361 [ot-font] Apply font scaling before turning to int 2019-10-08 11:11:18 +03:30
Ebrahim Byagowi 74a2dbbced minor 2019-10-06 17:18:55 +03:30
Ebrahim Byagowi 3fd555be54 [hmtx] Prepare to fix and minor fixes 2019-10-03 13:34:43 +03:30
Michiharu Ariza 6d09b5a8a0 Implement hmtx/vmtx metrics read from hvar/vvar 2019-10-03 13:34:43 +03:30
blueshade7 670768e5b9 fix inc-bimap for subsetting VarStore with retain-gids 2019-07-12 16:14:23 -07:00
blueshade7 0eef8113d8 retain gids in HVAR so in sync with fontTools 
regenerate Comfortaa subset test results
 2019-07-09 11:43:59 -07:00
blueshade7 8bf989ea70 update from master 2019-07-08 17:13:29 -07:00
Michiharu Ariza 8f8e8a8479 fix build 2019-06-05 12:59:09 -07:00
Michiharu Ariza 157a414bd9 fix mixup of TRACE_SUBSET/SERIALIZE 2019-05-02 11:25:10 -07:00
Michiharu Ariza c52294eb28 renaming & arg reorder 2019-04-30 10:40:45 -07:00
Michiharu Ariza aa3ac59245 fix build 2019-04-17 12:43:53 -07:00
Michiharu Ariza 007bb3e0d1 retain-gids in HVAR/VVAR (unused deltas retained) 2019-04-16 10:33:51 -07:00
Michiharu Ariza 3fbd242ba6 replace .set() with = 
remove .gitignore
 2019-03-29 23:53:06 -07:00
Michiharu Ariza f84342c094 minor 2019-03-29 18:27:21 -07:00
Michiharu Ariza 3e18447c64 fixed a fuzzer bug 2019-03-29 18:27:21 -07:00
Michiharu Ariza ae3db1f4e3 added api test for subset VVAR & bug fix 
added a mod copy of SourceSerifVariable-Roman.ttf with VVAR as a test font
 2019-03-29 18:27:08 -07:00
Michiharu Ariza fe5aa8b36c added TT VF full font test & fixed bugs 
updated CFF2 VF api test results too
 2019-03-29 18:26:46 -07:00
Michiharu Ariza 212dcb758c add api test cases for HVAR with index map (and fix) 2019-03-29 18:26:20 -07:00
Michiharu Ariza 6ee71166b0 add api tests for subset gvar & HVAR; bug fixes 2019-03-29 18:26:20 -07:00
Michiharu Ariza c302ec6d94 moved most of var code from gvar to glyf 
initialize phantom points from metrics from htmx/vmtx & glyf bbox before execution
added source file hb-ot-hmtx-table.cc to call glyf from hmtx/vmtx indirectly & temporarily, workaround a cyclic reference between the two
 2019-03-29 18:25:52 -07:00
Michiharu Ariza dd67214210 subset HVAR 
Re-implemented & repurposed CFF:remap_t as hb_map2_t (moved to hb-ot-layout-common.hh) for two-way mapping for use by index map subsetting.
Hooked up HVAR subsetter through _subset2.
Some renaming in CFF code.
 2019-03-29 18:20:22 -07:00
Michiharu Ariza 2c5ed7f152 Added hb-ot-var-gvar-table.hh 
implemented sanitize()
placeholder subset()
some code cleanup
 2019-03-29 18:14:59 -07:00
Michiharu Ariza f1e97c189e renamed hb_map2_t to hb_bimap_h in its own .hh 2019-03-29 18:14:59 -07:00
Michiharu Ariza 655bc96bc2 subset VVAR & outer indices 2019-03-29 18:14:59 -07:00
Michiharu Ariza a762cf5033 fixed compiler gripes 2019-03-29 18:14:59 -07:00
Michiharu Ariza 8bd9d28e2a fix HVAR & VarStore subsetting 2019-03-29 18:14:59 -07:00
Michiharu Ariza 09df17e71b subset HVAR 
Re-implemented & repurposed CFF:remap_t as hb_map2_t (moved to hb-ot-layout-common.hh) for two-way mapping for use by index map subsetting.
Hooked up HVAR subsetter through _subset2.
Some renaming in CFF code.
 2019-02-20 15:48:29 -08:00