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54 Commits

Author SHA1 Message Date
Behdad Esfahbod f3985d9482 [paint] Fix drawing non-color glyphs 2022-12-23 13:37:59 -07:00
Matthias Clasen c221933977 [paint] Preserve foreground information 2022-12-23 13:37:59 -07:00
Matthias Clasen 6387004cad [paint] Simplify api 
Drop the hb_paint_context_t struct from the API, and
only pass the font where we need it.
 2022-12-23 13:37:59 -07:00
Matthias Clasen 71bd5a0dfc [paint] Resolve colors 
We don't need to pass the index/alpha pairs to
client callbacks, and can just resolve the colors
internally.

Update test results.
 2022-12-23 13:37:59 -07:00
Matthias Clasen 9be01b6bff [paint] Pass hb_paint_context_t along 
Replace the font argument with a hb_paint_context_t
that carries the font, the palette index and the
foreground color.

The hb_font_paint_glyph() api now takes the palette
index and the foreground color as extra arguments.

Update all callers and regenerate test results.
 2022-12-23 13:37:59 -07:00
Matthias Clasen 97224f3b63 [paint] Pass font to all callbacks 
This will lead to easier implementations.

At the same time, we change the push_clip_glyph
callback to use the font as-is, no unscaling needed.

Update all callers and expected test results.
 2022-12-23 13:37:59 -07:00
Matthias Clasen 686e627bdf [paint] Set up root transform in one place 
Instead of spreading this in all the tables,
make hb_paint_funcs_t provide a push/pop_root_transform
that does all the setup.
 2022-12-23 13:37:59 -07:00
Matthias Clasen 3e39dd492b cff2: Implement paint_glyph 2022-12-23 13:37:59 -07:00
Behdad Esfahbod 392463bff5 [cff] Fix extent rounding 
I broke it in b0abbfd868.
 2022-12-22 08:34:01 -07:00
Behdad Esfahbod b0abbfd868 [font] Centralize glyph-extents scaling 
Needs more testing...

Some rounding was removed, namely in cff1 and cff2.
 2022-12-22 07:32:15 -07:00
Behdad Esfahbod bff78e6515 [cff] Convert interpretation environment to use constructor 2022-05-10 16:50:38 -06:00
Behdad Esfahbod 96140db485 [cff] Convert cff2_extents_param_t to use constructor 2022-05-10 16:17:20 -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 370bec938b [draw] Rename internal draw_session_t to hb_draw_session_t 2022-02-13 13:21:14 -06:00
Behdad Esfahbod c681331c3f [draw] Rename internal draw_helper_t to draw_session_t 2022-02-13 13:21:14 -06:00
Behdad Esfahbod 35190dc961 [draw] Convert API to float instead of hb_position_t 2022-02-13 13:21:14 -06:00
Behdad Esfahbod dd7b6e2c3f [draw] Remove EXPERIMENTAL_API tag 2022-02-13 13:21:14 -06:00
justvanrossum 79e4f436e7 Apply rounding correctly when calculating glyph extents for CFF and CFF2; adjust expected test results 2021-02-19 16:53:21 -07:00
Ebrahim Byagowi 755a77d660 Move outline draw API behind HB_EXPERIMENTAL_API directive 2020-03-13 08:25:53 +03:30
Ebrahim Byagowi 9fe0dc3464 [draw] Pass draw_helper_t itself around instead recreating it 
Specially helpful if we want to change the design
 2020-02-26 17:40:46 +03:30
Ebrahim Byagowi 0ebf3a4e62 [draw] Move common CFF path building logic to draw_helper_t 2020-02-26 15:15:22 +03:30
Ebrahim Byagowi acc2d4738e [cff] Make path extract easier to read and more defensive 2020-02-25 18:05:48 +03:30
Ebrahim Byagowi 0cf050a7b1 [draw] Merge consequent move-to commands of CFF/CFF2 2020-02-23 23:23:50 +03:30
Ebrahim Byagowi 86bd5a0ba1 [draw] End CFF paths with a line-to 
Issue a line-to command when start and end point of a path isn't same, matches freetype also.
 2020-02-23 23:23:50 +03:30
Ebrahim Byagowi ac81e94016 Rename hb_outline_decompose to hb_font_draw_glyph and hb_outline_decompose_funcs_t to hb_draw_funcs_t 2020-01-28 13:24:49 +03:30
Ebrahim Byagowi 981125aa2a Rename hb_ot_glyph_* to hb_outline_* 2020-01-27 23:43:54 +03:30
Ebrahim Byagowi 02f324c949 [ot-glyph] remove open callback 
Apparently it wasn't requested actually and can be detected easily
as paths are opened usually when move command is issued anyway.
 2020-01-23 15:12:15 +03:30
Ebrahim Byagowi 684ff3e0cd [ot-glyph] noop->nil, fix close path 2020-01-23 14:48:59 +03:30
Ebrahim Byagowi 79fed9a1e4 [ot-glyph] Add open/close callbacks 2020-01-14 17:34:59 +03:30
Ebrahim Byagowi ec1fba1388 [ot-glyph] make hb_ot_glyph_decompose_funcs_t struct opaque 2020-01-14 15:55:23 +03:30
Ebrahim Byagowi 06a1fcb3b4 [ot-glyphs] fix the tests 2020-01-10 23:12:30 +03:30
Ebrahim Byagowi 084a8182fb [ot-glyphs] Move CFF glyph decompose logic to their tables 
Thus making path decompose zero alloc on CFF/CFF2
 2020-01-10 22:56:43 +03:30
Ebrahim Byagowi 04ac7fb1c9 [ot-glyph] Add cff2 support 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi dc45f22521 [ot-metrics] Don't use mixed scaled and not scaled for generating extents 2019-10-08 23:27:39 +03:30
Ebrahim Byagowi d73cdcf361 [ot-font] Apply font scaling before turning to int 2019-10-08 11:11:18 +03:30
Ebrahim Byagowi 0558413f27 Minor, tweak spaces 2019-10-01 13:50:11 +03:30
Ebrahim Byagowi 1cc844da66
minor 
Use hb_font_t coords directly
 2019-08-14 19:10:02 +04:30
Behdad Esfahbod 7ca54811f4 [amalgam] Fix CFF 
Part of https://github.com/harfbuzz/harfbuzz/issues/1809
 2019-07-02 16:00:58 -07:00
Behdad Esfahbod 737436d3f8 Streamline HB_NO_CFF 2019-06-18 13:07:44 -07:00
Behdad Esfahbod 7f6fca4ef7 Force-disable CFF code under disabling conditions 
Subsetter size goes down from 190kb to 119kb.  Main library about 7kb.

Part of https://github.com/harfbuzz/harfbuzz/issues/1652
 2019-05-12 10:29:47 -07:00
Behdad Esfahbod 31c591d69f [cff] Prune more code if HB_NO_OT_FONT_CFF 
Part of https://github.com/harfbuzz/harfbuzz/issues/1652
 2019-05-10 23:40:09 -07:00
Behdad Esfahbod 22da12318a [map] Fix TODO 2019-04-24 10:53:47 -04:00
Michiharu Ariza 63a2108480 silence MVC warnings 3rd attempt 2019-04-18 13:54:58 -07:00
Michiharu Ariza 705dde57fe silence MVC warnings 2nd attempt 2019-04-18 11:32:10 -07:00
Michiharu Ariza dd4c37529b silence MVC warnings 2019-04-18 10:38:57 -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
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 825df6dbc7 [CFF] Change spaces to tabs 2018-11-30 23:04:59 -05:00