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50 Commits

Author SHA1 Message Date
Behdad Esfahbod 4167e93a15 [subset-cff2] Micro-optimize blend operator 2022-11-26 15:14:52 -07:00
Behdad Esfahbod f159bf075b [cff2] Micro-optimize blend operator 2022-11-26 15:11:32 -07:00
Behdad Esfahbod bff78e6515 [cff] Convert interpretation environment to use constructor 2022-05-10 16:50:38 -06:00
Behdad Esfahbod 0a42410dc8 [cff2] Change extents/shape stack to be just a number 
Do the blending immediately.

Fixes https://github.com/harfbuzz/harfbuzz/issues/3559

Benchmark on AdobeVFPrototype shows 35% speedup. Now we're faster
than FreeType:

Benchmark                                                           Time             CPU      Time Old      Time New       CPU Old       CPU New
------------------------------------------------------------------------------------------------------------------------------------------------
BM_Font/glyph_extents/AdobeVFPrototype.otf/hb                    -0.3792         -0.3792          1584           983          1581           982
BM_Font/glyph_extents/AdobeVFPrototype.otf/ft                    +0.0228         +0.0224          1220          1248          1218          1245
BM_Font/glyph_extents/AdobeVFPrototype.otf/var/hb                -0.3513         -0.3518          1616          1048          1613          1046
BM_Font/glyph_extents/AdobeVFPrototype.otf/var/ft                +0.0172         +0.0169          1232          1254          1230          1251
 2022-05-10 13:41:12 -06:00
Behdad Esfahbod 8aa54aaca2 [cff] Replace byte_str_t with hb_bytes_t use 2022-05-09 17:34:58 -06:00
Behdad Esfahbod 29f60d1eaa [cff] Remove init/fini from blend_arg_t 2022-01-18 11:58:16 -07:00
luz paz e2e305066a Fix various typos 
Found via `codespell -q 3 -S ./perf/texts -L actualy,ba,beng,fo,gir,inout,nd,ot,pres,ro,te,teh,timne`
 2022-01-16 05:39:03 -08:00
Behdad Esfahbod ff1fe25a5d [VarStore] Rename internal get_scalars() to get_region_scalars() 2021-07-29 00:49:36 -06:00
Ebrahim Byagowi efd716de3f [cff] Check for scalars array resize result 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24504
 2020-07-31 09:27:27 +04:30
Ebrahim Byagowi d0e2addd43 minor 2020-07-18 22:16:02 +04:30
Ebrahim Byagowi 2be859d289 minor, replace nullptr checks with implicit ones 2020-04-21 00:30:34 +04:30
Ebrahim Byagowi 2dda6dd744 minor, tweak spacing 
turn 8 spaces to tab, add space before Null/Crap
 2020-04-20 16:18:29 +04:30
Ebrahim Byagowi 5f23a76e99 [cff] Don't remove coords const qualification 
We should find some way to audit all the const removals, perhaps by
enabling -Wold-style-cast warning on the project and turning all the
implicit const removals to const_cast.
 2020-02-24 08:23:25 +03:30
Michiharu Ariza 01832fd16b alternate fix for https://crbug.com/971933 2019-06-26 15:59:00 -07:00
Ebrahim Byagowi 92588782d7
Remove space between right angle brackets now that we have C++11 (#1689) 2019-04-30 13:05:10 -07:00
Michiharu Ariza 29f0b6bce7 CFF renaming (#1507) 
* reimplement ByteStr as byte_str_t based on hb_ubytes_t

Unuse start_embed<ByteStr>
Also renamed SubByteStr to byte_str_ref_t
More renaming to come

* substr renamed to str_ref in line with its type byte_str_ref_t

* uncamelize non-table struct names

* uncamelized non-struct types OpCode etc

* add byte_str_t copy ctor

* test

* test2

* undo tests

* fix bot failure

* undo the previous change

* fixed tabs, added inline

* Revert "fixed tabs, added inline"

This reverts commit 21163c30e9.

* fix tabs
 2018-12-22 10:47:04 -05:00
Behdad Esfahbod 474a12058d [array/vector] Rename len to length 2018-12-21 18:53:01 -05:00
Behdad Esfahbod f1e95e40ed [arrays] Remove hb_supplier_t<> 2018-12-18 16:49:08 -05:00
Ebrahim Byagowi e412008599 Remove redundant void from C++ sources (#1486) 2018-12-17 13:01:01 -05:00
Ebrahim Byagowi b2ebaa9afa Remove redundant 'inline' from methods (#1483) 2018-12-16 14:08:10 -05:00
Michiharu Ariza 59345cdef3 [CFF] Refix oss-fuzz 11714: set_blends (PR #1458) (#1460) 
* pass subarray of stack to set_blends

* get_subarray to return a value, not ref

* restored error check (with tweak)
 2018-12-06 13:36:26 -08:00
Michiharu Ariza 14d29a1043 check number of blends against args on stack 2018-12-05 21:33:29 -08:00
Michiharu Ariza c48f53d309 more double changes 2018-12-03 16:59:41 -08:00
Michiharu Ariza 5fff6ab002 additional precision made a difference in extents test 2018-12-03 16:06:58 -08:00
Behdad Esfahbod 825df6dbc7 [CFF] Change spaces to tabs 2018-11-30 23:04:59 -05:00
Behdad Esfahbod 592f39b3c4 [CFF] Whitespace 2018-11-30 22:54:57 -05:00
Michiharu Ariza d8c6913765 undo 0u 2018-11-30 18:58:14 -08:00
Michiharu Ariza 9483da145d redo fixes 2018-11-30 16:59:41 -08:00
Michiharu Ariza 9784cff556 fix another pesky gcc error 2018-11-30 16:07:08 -08:00
Michiharu Ariza 0dfa584cb4 changed Adobe company name 2018-11-12 08:47:07 -08:00
Michiharu Ariza e0c30b961d merge with cff-subset branch 2018-11-07 15:08:55 -08:00
Michiharu Ariza 0996c0ff62 implented no-desubroutinize with CFF2 along with API test 
replaced AdobeVFPrototype.abc.otf with a hinted (maually) & subroutinized copy
replaced expected results as well
 2018-11-07 14:48:37 -08:00
Michiharu Ariza ae8fd0dbfb clear stack after vsindex op 2018-11-07 09:16:12 -08:00
Michiharu Ariza 2840a104c1 tweaks to build with new merge 2018-11-01 16:18:13 -07:00
Michiharu Ariza d56e338a90 CFF1 no-desubroutinize + no-hinting 
no-desubroutinize option is disabled for now
code cleanup (esp. CFF1 width handling)
bug fixes & renaming
 2018-10-31 22:30:34 -07:00
Michiharu Ariza 7d99a6cef8 overhauled error handling in CFF interpreter 
minimized "if (error) return false" idiom
 2018-10-12 02:16:07 -07:00
Michiharu Ariza af61c3b10f added vsindex test & fixed process_vsindex 2018-10-10 18:35:12 -07:00
Michiharu Ariza df964a0931 fixed test-subset-cff2 2018-10-08 15:38:05 -07:00
Michiharu Ariza b51418f596 added CFF2 get_extents 
added source hb-ot-cff2-table.cc
augmented VariationData to return scalars
misc bug fixes, renaming, cleanup
 2018-10-08 15:05:36 -07:00
Michiharu Ariza 76e54d2bd8 fixed subroutinized CFF2 flattening 
and some code cleanup
 2018-09-21 12:16:36 -07:00
Michiharu Ariza ebeccf3e63 fixed char widths & standard Encoding in subset CFF 
also merged flush_n_args to flush_args into one
takes start index of the arguments on stack instead of count
 2018-09-18 17:24:30 -07:00
Michiharu Ariza c0c85b852d implemented get_glyph_extents with CFF1 
Implemented path operators in a new struct PathProc hooked up to CSOpSet
Added current point to CSInterpEnv
 2018-09-17 11:14:56 -07:00
Michiharu Ariza 5ea03d2951 fix build by untemplatizing DictOpSet & DictVal 
as they aren't instantiated with BlendArg (yet)
 2018-09-04 11:29:15 -07:00
Michiharu Ariza f2d299b0b7 Drop hints from CFF2 charstrings 
Templatized ArgStack so it may store the default value along with blend deltas as BlendArg while parsing blend operator arguments in CFF2 charstring
Added get_region_count() method to VarRegionList & VariationStore
 2018-09-04 10:25:21 -07:00
Michiharu Ariza fcf177885b templatized ArgStack as a prep to store blends 2018-08-31 16:28:47 -07:00
Michiharu Ariza 968168bf0e drop hints from CFF1 charstrings 
renamed confusing Stack.size to Stack.count
 2018-08-31 13:28:16 -07:00
Michiharu Ariza 9fd08cc238 CFF2 subroutine flattner 
Factored out CFF1 & CFF2 common subsetting code in hb-subset-cff-common.hh
 2018-08-29 18:18:18 -07:00
Michiharu Ariza 8af9690ac7 Merge branch 'master' into cff-subset 
Renamed cff "private" source/headers without the suffix
 2018-08-29 13:26:17 -07:00
Michiharu Ariza a11420b48c Subroutine flattener for CFF1 
Subr-flattened charstrings are temporarily re-encoded in ByteStrBuff during "plan" phase, then copied to hb_serialize_context_t during "write" phase

CSOpSet may callback opcode processing "virtual" functions via CRTP

Numer struct may store a value as fixed optionally in addition to int and float
 2018-08-29 12:14:30 -07:00
Michiharu Ariza cef75ea41a Added CFF2 Subr nullifier 
along with CFF2 charstring interpreter
factored out common code between CFF1 & CFF2 to CSInterpreter
moved fetch_op from Interpreter to InterpEnv
misc code clean up & bug fixes
 2018-08-17 13:13:18 -07:00