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13695 Commits

Author SHA1 Message Date
Behdad Esfahbod 39e280c256 [gvar] Handle a couple of error conditions 2022-06-27 15:28:30 -06:00
Behdad Esfahbod 5be6e5dd57 [gvar] Rewrite linear interpolation 2022-06-27 15:22:16 -06:00
Behdad Esfahbod 57519b532d [gvar] Use pointer-to-member instead of function 2022-06-27 15:18:56 -06:00
Behdad Esfahbod ab15fe082a [gvar] Handle a couple of error conditions 2022-06-27 15:13:10 -06:00
Behdad Esfahbod b7e9e8785c [gvar] Optimize deltas and points loading 2022-06-27 15:09:25 -06:00
Behdad Esfahbod 6e72c2e3fa [glyf] Add an assertion 2022-06-27 15:09:25 -06:00
Behdad Esfahbod 5da341ce92 [map] Another try at hiding minus1 
To fix https://github.com/harfbuzz/harfbuzz/issues/3684
 2022-06-27 14:00:34 -06:00
Behdad Esfahbod c72d3104ed [map] Return const reference in operator[] 2022-06-27 13:31:05 -06:00
Behdad Esfahbod 69d53f3e7f [map] Make default_value() inline 
See if it make fix https://github.com/harfbuzz/harfbuzz/issues/3684
 2022-06-27 13:17:10 -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
Khaled Hosny 8537d68172 4.4.0 2022-06-27 20:51:16 +02:00
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 97cbc2d40a [gvar] Remove condition that font num_coords should match gvar's 2022-06-27 12:37:11 -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 95bfa0913d [gvar] Optimize translate() 2022-06-27 12:10:16 -06:00
Behdad Esfahbod 9f067582b8 [gvar] Optimize transform() 2022-06-27 12:10:16 -06:00
Behdad Esfahbod cfc57ef862 [glyf] Optimize contour_point_t layout 2022-06-27 12:10:16 -06:00
Behdad Esfahbod 75ca78a6bb [glyf] Optimize hb_contour_points_t::extend 2022-06-27 12:10:16 -06:00
Behdad Esfahbod 98fbe87a26 [benchmark-font] Disable quadratic callback 
We are interested in the quadratic-to-cubic codepath benchmarking.
 2022-06-27 12:10:16 -06:00
David Corbett 04c4767150 [lao] Decompose and reorder U+0EB3 around U+0EBB 2022-06-27 11:31:32 -06:00
Behdad Esfahbod d3308f4713 [font] Optimize font scaling further 2022-06-27 11:28:57 -06:00
Matthias Clasen e72506d085 Fix the annotation for hb_blob_get_data 
This function will return NULL for the the
empty blob. That is important information for
bindings that treat nullability as a type trait.
 2022-06-27 10:59:02 -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 556e7078f0 [font] Optimize glyph scaling 2022-06-26 17:48:43 -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 30d58bfd0f [glyf] Don't translate/transform components if has no effect 2022-06-26 16:49:40 -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 36dd5d32fb [draw] Use multiplication instead of division in quadratic conversion 2022-06-26 16:16:43 -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 ea5131507a [mingw] Build with directwrite if available 2022-06-26 13:30:11 -06:00
Behdad Esfahbod 65b066f18e [glyf/path-builder] Simplify initialization 2022-06-26 13:18:00 -06:00