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256 Commits

Author SHA1 Message Date
Garret Rieger 2c024dc3cb [subset] prune redundant cmap12 subtables. 
If the post subset cmap12 table is equivalent to another cmap subtable don't include the 12 table in the final subset. Matches change https://github.com/fonttools/fonttools/pull/2146 from fontTools.
 2021-08-04 17:36:24 -06:00
Behdad Esfahbod f0a1892ff9 [serialize] Remove unnecessary pointer indirection 2021-07-28 17:36:22 -06:00
Garret Rieger 9aa0ecef3f [subset] de-duplicate the logic that finds unicodes corresponding to requested glyphs. 
Move the logic into subset planning and then re-use the results in cmap and OS2 subsetting. Removes depedency on cmap from os2.
 2021-07-14 17:31:47 -07:00
Behdad Esfahbod 092094f705 Use as_array() and range loops in a few places 2021-04-01 16:02:54 -06:00
Behdad Esfahbod 4dba749d83 Add SortedArray{16,32}Of<> 2021-03-31 16:09:39 -06:00
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
Garret Rieger b14475d2ae [subset] further changes to serializer error handling. 
- Rename enum type and enum members.
- in_errors() now returns true for any error having been set. hb-subset now looks for offset overflow only errors to divert to repacker.
- Added INT_OVERFLOW and ARRAY_OVERFLOW enum values.
 2021-03-18 10:51:26 -07:00
Garret Rieger 73ed59f7a6 [subset] store errors in the serializer as a flag set. 
Make check_assign/check_equal specify the type of error to set.
 2021-03-17 15:58:34 -07:00
Behdad Esfahbod 6d94194497 Use auto in range-for-loop more 2021-02-19 17:10:06 -07:00
Garret Rieger 18ab8029d5 [ENOMEM] check vector status in cmap subsetting. 2020-08-02 00:30:17 +04:30
Ebrahim Byagowi 5a7cc7fd8b minor spacing tweak 2020-07-29 08:33:38 +04:30
Ebrahim Byagowi d0e2addd43 minor 2020-07-18 22:16:02 +04:30
Qunxin Liu 8e5bc535d1 [subset] call collect_mapping only when --gids option is used. 
collect_mapping is time consuming as it iterates all codepoints in all
cmap subtables, only trigger it when necessary
 2020-07-16 11:25:53 -07:00
Qunxin Liu 10d6605bbe [subset] don't use << operator in collect_mapping 2020-05-15 11:04:59 -07:00
Qunxin Liu b2a965df5e [subset] Add support for "--gids" option 
cmap subsetting now retains entries associated with any glyph ids explicitly requested
 2020-05-11 15:28:58 -07:00
Qunxin Liu e53c44e326 [subset] temporarily revert previous cmap commit 
Required in https://github.com/harfbuzz/harfbuzz/issues/2356
 2020-04-25 12:21:22 +04:30
Ebrahim Byagowi 08428a15c3 minor, spacing 2020-04-24 23:45:17 +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 a224f4179f
Turn more of simple dagger chains to foreach 
Less noise, as was agreed before and applied 385741d also
 2020-03-13 08:33:34 +03:30
Ebrahim Byagowi 07acd1a042 [subset] Rename src_base args to base to match sanitize methods 
So it will become easier to follow that serialize methods signatures should
match with their sanitize methods counterparts.
 2020-03-08 23:39:26 +03:30
ariza 188a0a47c2 removed default base; replaced w/ bias if required 2020-03-08 22:59:43 +03:30
Michiharu Ariza 5ab50eebd7
collect_unicodes() with clamp, calling add_range() 
Use add_range instead an inner loop, clamp its input number by
number of glyphs a face has.

Even the face cmap12 and 13 have 32-bit hb_codepoint_t, which is here
used to make timeout, face's maxp has 16-bit gid limitation at least for now,
using that makes sure we both fix and the timeout and don't need to change
much things here also in order to support 32-bit gids also someday.

Fixes #2204
 2020-02-29 13:02:29 +03:30
Ebrahim Byagowi e90213868b Revert "collect_unicodes() to check gid < num_glyphs with cmap 12" 
Didn't fix the case actually, making bots to fail.

This reverts commit 15b43a4104.
 2020-02-28 21:24:51 +03:30
Michiharu Ariza 15b43a4104
collect_unicodes() to check gid < num_glyphs with cmap 12 
fixes #2204
 2020-02-28 20:15:39 +03:30
Garret Rieger 50129b03a1 Add a reverse () call to hb_array_t. 2020-02-26 11:09:54 -08:00
Garret Rieger 38c6598c1c Switch to C style comments. 2020-02-26 11:09:54 -08:00
Garret Rieger 52b6e0baa0 When serializing cmap14 order the offsets from smallest to largest. 
Current versions of OTS fail fonts with cmap 14's who's last offset does not point to the a block at the end of the table.
 2020-02-26 11:09:54 -08:00
ckitagawa 03f778cf3c [cmap] remove dead code 2020-02-05 18:00:39 +03:30
Ebrahim Byagowi a7f694d4b0 Merge branch 'subset_cblc' into master 2020-02-05 16:31:21 +03:30
ckitagawa e128f80278 parent 777ba47b50 
author ckitagawa <ckitagawa@chromium.org> 1579631743 -0500
committer ckitagawa <ckitagawa@chromium.org> 1580506176 -0500

[subset] Add CBLC support
 2020-01-31 16:37:30 -05:00
Qunxin Liu b6a8f5e63c [subset] CMAP table subsetting fix 
Not all codepoints smaller than 0xFFFF go to cmap4 table.
Only subset codepoints existing in each table.
This will also make harfbuzz consistent with fontTools' behavior
 2020-01-31 10:49:44 -08:00
Qunxin Liu c370da45ff [subset] Cmap table: remove encodingRecord entry for empty cmap4 subtable 2020-01-23 17:23:55 -08:00
Qunxin Liu 1db2c1d0da fix for cmap4 and OS_2 subsetting: maximum character code allowed is 0xFFFF 2020-01-09 10:00:32 -08:00
Behdad Esfahbod 6a60ca117c [algs] Fold last other bsearch() in 
Now truly have only one bsearch implementation.
 2019-12-10 12:32:59 -06:00
Ebrahim Byagowi 486754a888 [serialize] Extract iterable copy, copy_all 2019-10-31 13:31:11 -07:00
Khaled Hosny dd288840d6 [cmap] Check GID before adding ranges in format 4 & 12 
Fixes https://github.com/harfbuzz/harfbuzz/issues/2031
 2019-10-29 02:09:13 +02:00
Behdad Esfahbod 03028a5fe5 Revert "Don't include codepoint 0 in the results of collect_unicodes." 
This reverts commit 14ad96ffbf.

This was wrong.  My bad!

https://github.com/harfbuzz/harfbuzz/issues/2031
 2019-10-28 13:46:56 -07:00
Garret Rieger 14ad96ffbf Don't include codepoint 0 in the results of collect_unicodes. 
It is always assumed to be the notdef glyph.
 2019-10-28 12:56:04 -07:00
Ebrahim Byagowi 0558413f27 Minor, tweak spaces 2019-10-01 13:50:11 +03:30
Ebrahim Byagowi 035ec3d1b4
[cmap] remove has_format14, minor format 
fixes #1986
 2019-09-23 20:51:43 +03:30
Ebrahim Byagowi 385741d565 [cmap] Turn hb_apply into foreach where possible 2019-09-21 15:33:02 +04:30
Ebrahim Byagowi 1023c2cc6d [cmap] minor 2019-09-21 15:33:02 +04:30
Ebrahim Byagowi ead46eefe3 minor, use internal API instead public hb_set_has 2019-09-21 15:33:02 +04:30
Ebrahim Byagowi d8af4e7701 [cmap] minor, turn 8 spaces to tab 2019-09-21 15:33:02 +04:30
Qunxin Liu 4315666283 [subset] updates according to review comments 2019-09-20 07:55:11 +09:00
Qunxin Liu 2583afa0eb [subset] subsetting cmap14 2019-09-20 07:55:11 +09:00
Qunxin Liu 078ddbd0f6 [subset] glyph closure for CMAP14 2019-09-20 07:55:11 +09:00
Ebrahim Byagowi d512087e4d Rename GlyphID to HBGlyphID 
Avoid collision with macOS's ATSUnicodeTypes.h GlyphID
 2019-09-14 11:55:53 +04:30
Ebrahim Byagowi a0b4ac4dce Turn 8 spaces to tab across the project 
According to the current code style of the project
 2019-08-27 02:40:41 +04:30
Behdad Esfahbod d304d60e4d [ot-font] Prefer symbol cmap subtable if found 
Fixes https://github.com/harfbuzz/harfbuzz/issues/1918

Hopefully doesn't break anyone...
 2019-08-21 12:30:22 -07:00
Qunxin Liu 37572882e7 [subset] cmap table to use _subset2 and new iterator frameworks 2019-08-05 11:26:34 -07:00
Ebrahim Byagowi 7a9d643c29
Fix unintialized memory read in cmap subset (#1826) 2019-07-11 01:35:07 +04:30
Behdad Esfahbod 3caa32d737 [config] Add HB_NO_CMAP_LEGACY_SUBTABLES 
Part of https://vimeo.com/331852453/06eec89c65
 2019-06-19 19:59:26 -07:00
Michiharu Ariza 82d4bfb8f3 enable cff subset tests 
add Unicode UCS-4 cmap
fix Unicode bits in OS/2
add Unicode cmap sub-table in SourceHanSans-Regular_subset.otf
regenerate cff subset test expected results
 2019-06-14 11:08:59 -07:00
Qunxin Liu 993d81b9c5 [subset] Add one ttf file with fvar/STAT tables to integration test 
Ignore gvar/MVAR/HVAR table
add support for --nameIDs=* option
 2019-05-22 17:20:45 -07:00
Garret Rieger a5fb44a8cb [subset] Fix shadowed 'groups' param in cmap. 2019-05-13 15:04:35 -07:00
Behdad Esfahbod 750d5af48e Make compiler happy with -Og 2019-05-08 12:10:00 -07:00
Behdad Esfahbod 41248cce0e Remove MIN/MAX in favor of hb_min/hb_max 2019-05-07 20:54:31 -07:00
Behdad Esfahbod 699de689e9 Delete default assignment operator Offset<> 2019-04-15 16:00:20 -04:00
Behdad Esfahbod 95df00aec1 Hide a few static methods 
Looks like static methods that do not get inlined end up exported.
We have a lot more.  Need to protect all at some point.  Wish there
was an easier way, like the visibility flag we pass that automatically
hides all inline methods.

Was exposed by check-symbols.sh when compiling on OS X 10.14 with:

$ make CPPFLAGS=-Oz CXXFLAGS=-flto=thin LDFLAGS=-lc++
 2019-04-12 17:51:14 -04:00
Behdad Esfahbod 64d0f08938 [cmap] Minor 2019-04-01 16:56:41 -07:00
Behdad Esfahbod b986c6a321 [C++11] Remove IntType::set() in favor of operator= 2019-03-29 20:21:21 -07:00
Behdad Esfahbod 090fe56dc6 Merge branch 'master' into iter 2019-01-25 16:06:52 +01:00
Behdad Esfahbod 447323b85a Better fix for -Wcast-align errors 2019-01-22 12:50:12 +01:00
Behdad Esfahbod 8d05bf7dc0 Fix cast-align error 
If compiler doesn't inline StructAtOffset, this was an error since we
only disable cast-align at call-site.  So, move the cast out.

../src/hb-machinery.hh: In instantiation of 'const Type& StructAtOffset(const void*, unsigned int) [with Type = unsigned int]':
../src/hb-font.cc:146:85:   required from here
../src/hb-machinery.hh:63:12: error: cast from 'const char*' to 'const unsigned int*' increases required alignment of target type [-Werror=cast-align]
 { return * reinterpret_cast<const Type*> ((const char *) P + offset); }
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/hb-machinery.hh: In instantiation of 'Type& StructAtOffset(void*, unsigned int) [with Type = unsigned int]':
../src/hb-font.cc:147:79:   required from here
../src/hb-machinery.hh:66:12: error: cast from 'char*' to 'unsigned int*' increases required alignment of target type [-Werror=cast-align]
 { return * reinterpret_cast<Type*> ((char *) P + offset); }
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 2019-01-22 12:34:05 +01:00
Behdad Esfahbod ef00654962 Convert tag enum class consts to static constexpr 
Part of https://github.com/harfbuzz/harfbuzz/issues/1553
 2019-01-22 12:17:26 +01:00
Behdad Esfahbod 8237809f06 [serialize] Make SortedArrayOf:;serialize() take sorted-iterator 2019-01-20 20:12:12 -05:00
Behdad Esfahbod b900f78088 [pragma] More cast-align whitelist 2019-01-18 10:08:23 -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
Behdad Esfahbod cf39c24205 [arrays] Rename Supplier to hb_supplier_t 2018-12-17 22:36:23 -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
Behdad Esfahbod 6e33a3955d Minor 2018-12-13 16:40:01 -05:00
Ebrahim Byagowi 7ee5c52345
minor style fix, use void in methods on no argument 2018-12-12 15:14:37 +03:30
Behdad Esfahbod 5c4fead734 Convert "static const hb_tag_t" constants to enum 2018-11-29 15:05:47 -05:00
Behdad Esfahbod 861bc75349 [vector] Make pointer cast explicit 
Too bad this doesn't help MSVC 2008 build, as explicit operators are
C++11.
 2018-11-29 14:34:44 -05:00
Behdad Esfahbod 30cb45b3ea Change ArrayOf.bsearch() return semantics 
Towards consolidating all array bsearch/...
 2018-11-24 00:48:26 -05:00
Behdad Esfahbod ec83b2228e Add null bytes for CmapSubtableLongGroup 2018-11-23 19:59:31 -05:00
Behdad Esfahbod e4a4555d1e [cmap] Move code around 2018-11-22 22:17:49 -05:00
Ebrahim Byagowi 11aa0468ac [subset] minor, adjust spaces 2018-11-16 00:02:47 +03:30
Behdad Esfahbod da6aa3b033 Add hb_blob_ptr_t.destroy() 2018-11-11 11:40:57 -05:00
Behdad Esfahbod 0e2680a6e8 [cmap] Port to hb_blob_ptr_t 
Although didn't need it...
 2018-11-11 00:28:47 -05:00
Behdad Esfahbod 1d66cdcf77 Better fix for MSVC 2008 
Follow up on b4c6113032

Fixes https://github.com/harfbuzz/harfbuzz/issues/1374
 2018-11-10 19:57:51 -05:00
Behdad Esfahbod 56ba998cdd [cmap] Push get_nominal_glyphs down into cmap accelerator 2018-11-05 19:49:54 -05:00
Behdad Esfahbod 36d85dce25 [cmap] Use hb_nonnullptr_t 2018-11-05 19:46:29 -05:00
Behdad Esfahbod bb380ec183 [cmap] Make null accelerator safe 
Fixes https://github.com/harfbuzz/harfbuzz/issues/1146
 2018-11-05 13:47:30 -05:00
Behdad Esfahbod 56e0fd345c Remove last use of hb_auto_t<> 2018-10-29 22:35:44 -07:00
Behdad Esfahbod 3a4e5dd425 Remove a few unnecessary hb_auto_t<>'s 
See a85641446c30247c4e948263f0f8c1147ed4efb9
 2018-10-29 22:27:20 -07:00
Behdad Esfahbod be87959a67 [cmap] Minor 2018-10-29 15:16:38 -07:00
Behdad Esfahbod 955aa56b11 [vector] Make it act more like pointer 
Add pointer cast operator and plus operator.
 2018-10-25 16:50:38 -07:00
Behdad Esfahbod 21ede867df Fix possible overflow in bsearch impls 
From bungeman.

Fixes https://github.com/harfbuzz/harfbuzz/pull/1314
 2018-10-25 13:19:58 -07:00
Ebrahim Byagowi 63109432cf Cosmetic and minor changes 2018-10-13 07:23:33 -04:00
Behdad Esfahbod 341206eb60 [vector] Make hb_vector_t relocatable / nestable 
Ugly, but...
Fixes https://github.com/harfbuzz/harfbuzz/issues/1227
 2018-10-05 18:39:48 +02:00
Behdad Esfahbod dff2c45f1e Port rest from VAR to UnsizedArrayOf<> 2018-09-11 01:01:08 +02:00
Behdad Esfahbod d1f29908c2 [subset] Add hb_subset_context_t<> 2018-08-31 16:31:00 -07:00
Behdad Esfahbod aba0a945c5 [subset] Add hb-subset-input.hh and make hb-subset.hh toplevel include 2018-08-31 13:25:19 -07:00
Behdad Esfahbod 2ccc322cf8 [ot-font] Clean up cmap with gid=0 
Fixes https://github.com/harfbuzz/harfbuzz/issues/1145
 2018-08-29 16:38:25 -07:00
Behdad Esfahbod 3a0b3a29cc Free up hb-ot-face.hh from includes 
There might be a better way to do this, but I couldn't find...
 2018-08-26 15:11:24 -07:00
Behdad Esfahbod 963413fc54 WIP 2018-08-26 00:47:55 -07:00