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119 Commits

Author SHA1 Message Date
Behdad Esfahbod 34c6c0193c [glyf] Fix byterange check again 2022-06-27 20:26:57 -06:00
Behdad Esfahbod 20572f914c [glyf] Move read_flags into a function 2022-06-27 20:22:09 -06:00
Behdad Esfahbod 6e72c2e3fa [glyf] Add an assertion 2022-06-27 15:09:25 -06:00
Behdad Esfahbod 3a0e27e794 [glyf] Move comment 2022-06-27 13:07:39 -06:00
Behdad Esfahbod d0836dee7a [glyf] Minor typo change 2022-06-27 13:05:58 -06:00
Behdad Esfahbod 5cca25e5d0 [glyf] Accumulate points as int 
Everything is int at this stage.
Doesn't seem to matter for performance though.
 2022-06-27 13:03:06 -06:00
Behdad Esfahbod d6f60b3c19 [glyf] Minor optimization 2022-06-27 13:00:08 -06:00
Behdad Esfahbod b30a3dcba3 [glyf] Another bounds check 
Very unlikely that is needed but technically possible.
 2022-06-27 12:56:54 -06:00
Behdad Esfahbod 2e9dbdcbbe [glyf] Protect against an unlikely overflow 2022-06-27 12:55:13 -06:00
Behdad Esfahbod f1fb8c4489 [glyf] Optimize Glyph layout 2022-06-27 12:41:46 -06:00
Behdad Esfahbod 34e3f561b5 [glyf] Fix a bug I introduced recently 
Pass gid to Glyph in trim_padding codepath.
 2022-06-27 12:39:35 -06:00
Behdad Esfahbod 19cbfb9ce9 [glyf] Relax a condition that font num_coords be equal to gvar's 
gvar itself still checks the same.
 2022-06-27 12:32:18 -06:00
Behdad Esfahbod d5cfbaa068 [glyf] Optimize composite points loading 2022-06-27 12:24:20 -06:00
Behdad Esfahbod 32dc0641e1 [glyf] Remove an unnecessary condition 2022-06-27 12:22:06 -06:00
Behdad Esfahbod 3c49a6a60a [glyf] Fix an allocation error 
Try fixing assertion failure found by fuzzers:

hb-draw-fuzzer: ../../src/harfbuzz/src/OT/glyf/glyf.hh:175: bool OT::glyf_accelerator_t::get_points(hb_font_t *, hb_codepoint_t, T) const [T = OT::glyf_impl::path_builder_t]: Assertion `count >= glyf_impl::PHANTOM_COUNT' failed.
 2022-06-27 10:57:51 -06:00
Behdad Esfahbod a1c45bbb55 [glyf] Minor simplify 2022-06-26 17:30:16 -06:00
Behdad Esfahbod a21a9bb855 [glyf] Optimize flags decoding byte range checking 2022-06-26 17:24:29 -06:00
Behdad Esfahbod 0f1fdf461c [glyf] Optimize points decoding byte range checking 2022-06-26 17:22:45 -06:00
Behdad Esfahbod 51cfcf2957 [glyf] Optimize points decoding 2022-06-26 17:04:47 -06:00
Behdad Esfahbod 86b7022503 [glyf] Optimize flag decoding 2022-06-26 17:02:32 -06:00
Behdad Esfahbod 2bb0fa878a [glyf] Remove unneeded point init() 2022-06-26 16:43:05 -06:00
Behdad Esfahbod fc72a1d22d [glyf] Add a pre-allocation for phantom points 2022-06-26 16:42:01 -06:00
Behdad Esfahbod 8d242aaa8b [glyf] Rewrite a loop harmlessly 
I hope...
 2022-06-26 16:36:08 -06:00
Behdad Esfahbod cf57f04ddb [glyf/path-builder] Optimize scaling code 
Scale each point once upon entry to function.

This makes our shape fetching code as fast as FreeType for all
benchmark cases now.
 2022-06-26 16:26:17 -06:00
Behdad Esfahbod b095df1343 [glyf/path-builder] Use operator bool for style 2022-06-26 16:12:50 -06:00
Behdad Esfahbod abb433d0f4 [glyf] Avoid a copy of points in shape fetching for simple glyphs 
Matches performance with freetype now.
 2022-06-26 16:09:32 -06:00
Behdad Esfahbod 7eac779abf Revert "Revert "[glyf] Optimize shape loading"" 
This reverts commit 164bd288cf.
 2022-06-26 16:02:27 -06:00
Behdad Esfahbod 164bd288cf Revert "[glyf] Optimize shape loading" 
This reverts commit f0819301b7.

Broke tests. To be debugged and redone.
 2022-06-26 16:01:15 -06:00
Behdad Esfahbod f0819301b7 [glyf] Optimize shape loading 
Do away with a copy for simple glyph load.
 2022-06-26 15:52:54 -06:00
Behdad Esfahbod 65b066f18e [glyf/path-builder] Simplify initialization 2022-06-26 13:18:00 -06:00
Behdad Esfahbod 2d4557fe04 [glyf/SimpleGlyph] Use member pointer instead of lambda 2022-06-26 13:08:37 -06:00
Behdad Esfahbod 9ce9773040 [glyf/SimpleGlyph] Minor use constructor for contour_point_t 2022-06-26 13:08:37 -06:00
Behdad Esfahbod f897978f21 [glyf] Adjust a check-range 2022-06-26 13:08:37 -06:00
Behdad Esfahbod db039d97ff [glyf/Composite] Make glyphIndex public 2022-06-26 13:08:37 -06:00
Behdad Esfahbod 1b14bf8aa8 [glyf] Rename CompositeGlyphChain to CompositeGlyphRecord 2022-06-26 13:08:37 -06:00
Behdad Esfahbod a5ac7f2ea6 [glyf/composite_iter_t] Renames 2022-06-26 13:08:37 -06:00
Behdad Esfahbod 449bdeed5f [glyf] Rename get_iterator() to iter() 
That's the standard name.
 2022-06-25 18:32:30 -06:00
Behdad Esfahbod 11d2670676 [glyf] Split off glyf-helpers.hh 2022-06-25 18:19:09 -06:00
Behdad Esfahbod 7c4b8c9bf4 [glyf] path-builder minor header guards fix test 2022-06-25 18:14:42 -06:00
Behdad Esfahbod 499c637922 [glyf] Split off path-builder.hh 2022-06-25 18:07:49 -06:00
Behdad Esfahbod 13aadc8961 [glyf] Split off CompositeGlyph.hh 2022-06-25 18:03:15 -06:00
Behdad Esfahbod f0ec2b728e [glyf] Split off SimpleGlyph.hh 2022-06-25 17:55:16 -06:00
Behdad Esfahbod 8ed78627f0 [glyf] Split off GlyphHeader.hh 2022-06-25 17:53:13 -06:00
Behdad Esfahbod 81315a3016 [glyf] Namespace implementation in glyf_impl 
Part of https://github.com/harfbuzz/harfbuzz/issues/3677
 2022-06-25 17:50:44 -06:00
Behdad Esfahbod be1d4bcf29 [glyf] Add fast __end__ to composite iterator 2022-06-25 17:45:21 -06:00
Behdad Esfahbod ef250eea7e [glyf] Move a few structs out of Glyph{} 2022-06-25 17:37:59 -06:00
Behdad Esfahbod ae75f066b5 [glyf] Split SubsetGlyph 2022-06-25 17:12:10 -06:00
Behdad Esfahbod 0031069f47 [glyf] Fix includes 2022-06-25 17:05:18 -06:00
Behdad Esfahbod 36373ee15c [glyf] Move add_gid_and_children to subset-plan where it belongs 2022-06-25 16:55:26 -06:00
Behdad Esfahbod ba1c9eda38 [glyf] Use a range for loop 2022-06-25 16:51:33 -06:00
Behdad Esfahbod e4f2bc9342 [glyf] Split Glyph.hh 2022-06-25 16:47:06 -06:00
Behdad Esfahbod 3f9c6bf3fc [glyf] Minor in _write_loca() 2022-06-25 14:46:26 -06:00
Behdad Esfahbod 852985da0f [glyf] Split loca.hh 2022-06-25 14:41:51 -06:00
Behdad Esfahbod 100576b7b7 [glyf] Start splitting file 2022-06-25 14:38:43 -06:00
Behdad Esfahbod 9fc9b1ece4 [layout] Minor, add using Lookup to GSUB/GPOS 2022-06-08 12:37:31 -06:00
Behdad Esfahbod 4119f73c21 [subset/layout] Rename dispatch_closure_lookups_recurse_func to dispatch_recurse_func<> 2022-06-08 18:42:09 +01:00
Behdad Esfahbod c13ff39520 [layout] Rename apply_recurse_func to specialization of dispatch_recurse_func 2022-06-08 18:42:09 +01:00
Garret Rieger 444c2375a1 [reorg] Use relative includes for hb-ot-layout-gsubgpos.hh 2022-03-23 18:05:24 -06:00
Garret Rieger b342adeb96 [reorg] Move GSUB into OT::Layout::GSUB namespace. 2022-03-23 18:05:24 -06:00
Garret Rieger a9910e258f [reorg] Move SubstLookup and GSUB into the new layout. 2022-03-23 18:05:24 -06:00
Garret Rieger 90af2143d5 [reorg] Move ReverseChainSingleSubst to new layout. 2022-03-23 18:05:24 -06:00
Garret Rieger 403feb3804 [reorg] Move LigatureSubst to new layout. 2022-03-23 18:05:24 -06:00
Garret Rieger 6a369389d6 [reorg] Move AlternateSubst to new layout. 2022-03-23 18:05:24 -06:00
Garret Rieger dea0681db2 [reorg] Move MultipleSubst into new layout. 2022-03-23 18:05:24 -06:00
Behdad Esfahbod 7243bf3e41 [reorg] Use relative include 2022-03-23 18:05:24 -06:00
Behdad Esfahbod c180f93766 [reorg] Move sanitize/dispatch and size macros to top 2022-03-23 18:05:24 -06:00
Garret Rieger f577d02f4a [reorg] Fix check-* scripts to work with sources files in directories. 2022-03-23 18:05:24 -06:00
Garret Rieger 3ef180db44 [reorg] Move SingleSubst opentype fields to top of the classes. 2022-03-23 18:05:24 -06:00
Garret Rieger 7dfd9e7001 [reorganization] WIP move single substitution into separate files. 2022-03-23 18:05:24 -06:00