Commit Graph

192 Commits

Author SHA1 Message Date
Behdad Esfahbod 000a3c5dca [beyond-64k/subset] Fetch lsb from glyph table if not available
The beyond-64k hmtx table doesn't encode LSB. If subsetting brings
the glyph under 64k (which currently is the only mode we support),
then we need to encode the LSB, which wasn't available. We need to
fetch xMin from glyf table and set it as LSB.
2023-04-20 15:53:10 -06:00
Behdad Esfahbod 1111c7578e hb_memset 2023-04-20 15:17:23 -06:00
Behdad Esfahbod 219e739c9f [beyond-64k/subset] Lower CompositeGlyph GID24's when possible 2023-04-20 15:13:12 -06:00
Behdad Esfahbod a2e8ecf996 [Glyph] Minor change type of type to enum type
Say that thrice.
2023-04-20 14:08:23 -06:00
Garret Rieger 19e1b698c5 [subset] Fix ubsan failure. 2023-04-18 13:21:46 -06:00
Garret Rieger 647b024784 [subset] Fix fuzzer issue https://oss-fuzz.com/testcase-detail/6521393809588224 2023-04-18 13:21:46 -06:00
Behdad Esfahbod 75e6498d9a Don't use M_PI
Fixes https://github.com/harfbuzz/harfbuzz/issues/4166

Happy Pi Day!
2023-03-14 12:41:46 -06:00
Garret Rieger 663ecc01d8 [subset] don't free glyphs by range.
The iterator in this loop is a map iterator so glyphs are not necessarily traveresed in order.
2023-03-13 16:32:59 -06:00
Garret Rieger 3d05b96181 [subset] track which glyphs have allocated memory so we can clean up correctly.
Fixes https://oss-fuzz.com/testcase-detail/5388270411579392
2023-03-13 16:03:58 -06:00
Garret Rieger 28b05e1cb6 [subset] Fix memory leak in glyf subset.
Fixes fuzzer issue: https://oss-fuzz.com/testcase-detail/6525813890875392.
2023-03-08 17:02:04 -07:00
Garret Rieger 9286e12525 Don't subset a glyf table with an unknown format.
Fixes fuzzer issue: https://oss-fuzz.com/testcase-detail/4875306193518592
2023-03-08 14:51:54 -07:00
Behdad Esfahbod cfa9541daa [glyf] "Support" glyf version 1 2023-03-08 10:35:39 -07:00
Behdad Esfahbod f325aba561 [VarComposites] Minor rename 2023-03-06 13:07:42 -07:00
Behdad Esfahbod 6b286cfabf [cubic-glyf] Remove stale comment 2023-02-21 16:15:45 -07:00
Behdad Esfahbod 22b9315628 [cubic-glyf] Handle wrap-around cubic off-curves 2023-02-21 15:50:55 -07:00
Behdad Esfahbod 050f5a58fe [cubic-glyf] Handle contour-initial cubic offcurves 2023-02-21 15:26:27 -07:00
Behdad Esfahbod c6c1c6ddf1
Merge pull request #4107 from harfbuzz/cubic-glyf
[glyf] Support cubic curves
2023-02-11 09:20:51 -07:00
Behdad Esfahbod 6ddd490191 [path-builder] Comment re cubic 2023-02-10 14:24:03 -07:00
Behdad Esfahbod 91c2f098d0 [cubic-glyf] Add HB_NO_CUBIC_GLYF 2023-02-10 14:15:16 -07:00
Qunxin Liu af1e605be2 [instancer] bug fix
It's possible that length of all_points equals to 4 for non-empty
glyphs: a composite glyph which contains only one child glyph that is
empty.
2023-02-10 12:51:27 -07:00
Behdad Esfahbod 1d9dafbfd5 [glyf] Support cubic curves
https://github.com/harfbuzz/boring-expansion-spec/issues/41
2023-02-07 22:19:45 -07:00
Behdad Esfahbod ef2a8f722f [VarComposite] Adjust for RESET_UNSPECIFIED_AXES semantic change
https://github.com/harfbuzz/boring-expansion-spec/issues/81
2023-02-06 12:04:16 -07:00
Garret Rieger fda200658e [subset] fix missing compiled glyph cleanup when serialization succeeds. 2023-02-02 15:25:37 -07:00
Qunxin Liu 5e86870378 [instancer] compute head/maxp values using only non-empty glyphs 2023-01-25 14:53:19 -07:00
Qunxin Liu d15551c6f3 [instancer] update head table flagbit: allXMinIsLsb 2023-01-25 14:53:19 -07:00
Behdad Esfahbod a4420479a8 Revert "[VarComposite] Fix skew"
This reverts commit 8cf7076309.
2023-01-25 14:37:10 -07:00
Behdad Esfahbod 8cf7076309 [VarComposite] Fix skew 2023-01-25 14:35:35 -07:00
Qunxin Liu 90a98dd62a [instancer] fix potential memory leak for compiled glyph bytes
Also calculate max_offsets after glyph bytes are compiled, cause byte
length of a glyph might change after compile
2023-01-25 11:37:19 -07:00
Qunxin Liu 27f72f0deb [instancer] avoid double free for compiled glyph bytes
also increase the HB_GLYF_MAX_POINTS limit to 20000 cause the test file has a
.notdef glyph which is a composite glyph and has 10176 points after
get_points() call
2023-01-24 17:28:51 -07:00
Qunxin Liu 30058f489a [instancer] trim .notdef outline data after recalc bounds
If outline data present, we use it to recalc bounds and then trim it
accordingly
2023-01-20 14:50:03 -08:00
Qunxin Liu 94c390d078 [instancer] update head table 2023-01-20 14:50:03 -08:00
Qunxin Liu 2ecb1c31e9 [instancer] always recalculate bounds when --instance option enabled
But don't recompile glyph bytes if pinned at default
2023-01-20 14:50:03 -08:00
Qunxin Liu 1f948e7fd5 [instancer] store recalculated head/maxp info in subset plan 2023-01-20 14:49:54 -08:00
Qunxin Liu 92122421c9 [instancer] update vhea/hhea tables 2023-01-20 14:48:53 -08:00
Behdad Esfahbod d06976e68f [glyf] Add an edge-count limit
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55246
2023-01-20 08:21:43 -07:00
Behdad Esfahbod eed5d5efdd [VarComposite] Implement RESET_UNSPECIFIED_AXES
Fixes https://github.com/harfbuzz/boring-expansion-spec/issues/79
2023-01-18 14:13:12 -07:00
Behdad Esfahbod ed023f66df Enable -Wformat-signedness
And fix the codebase.
2023-01-12 17:04:24 -07:00
Behdad Esfahbod cfb672f1e5 [glyf] Revert sign of advance widths back 2023-01-12 11:59:18 -07:00
Behdad Esfahbod 65d3db375c [subset-plan] Simplify user_axes_location allocation 2023-01-11 12:36:54 -07:00
Behdad Esfahbod 75b33cb04b [subset-plan] Simplify hmtx_map / vmtx_map allocation 2023-01-11 12:24:35 -07:00
Behdad Esfahbod 33ce3a0d44 [subset] Minor adjust a couple types 2023-01-11 12:21:26 -07:00
Behdad Esfahbod c8486b6301 [open-type] Add to_int to fixed types
To make sure we don't accidentally forget to_float().
As we did recently in COLRv1 code.
2023-01-07 14:15:17 -07:00
Behdad Esfahbod 2eacc37e08 [vector] Add internal API for exact-size allocation
Use it from a couple of places.
2022-12-31 12:30:31 -07:00
Behdad Esfahbod ae208963df Add hb-limits.hh 2022-12-26 12:30:39 -07:00
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