Glyph insertion is an expensive operation and we like to have it limited
based on buffer's input size which is handled by buffer's max_ops.
clusterfuzz-testcase-minimized-harfbuzz_fuzzer-5754958982021120:
Before the change: 0.67s user 0.00s system 99% cpu 0.674 total
After the change: 0.02s user 0.00s system 98% cpu 0.024 total
Which takes much longer on valgrind and tsan bots.
* [aat] Correct array indexing when looking up actions in KerxSubTableFormat4.
- For action_type 0 and 1, there are 2 values per action record; for action_type 2, there are 4. So we need to account for these factors when indexing into the ankrData array.
Fixes https://github.com/harfbuzz/harfbuzz/issues/2531.
Very low use, only two distinct font files, Apple Chancery.ttf and Hoefler Text.ttc
have it so it really doesn't worth the size addition and so, but one may argue that
whole ligature caret is low use but guess we better to encourage GDEF one anyway.
Fixing these complains raised by newer versions of clang,
./hb-ot-layout-common.hh:1720:53: error: loop variable 'gid_klass_pair' is always a copy because the range of type 'hb_map_iter_t<hb_sorted_array_t<OT::HBGlyphID>, (lambda at ./hb-ot-layout-common.hh:1672:29), hb_function_sortedness_t::RETAINS_SORTING, nullptr>' does not return a reference [-Werror,-Wrange-loop-analysis]
for (const hb_pair_t<hb_codepoint_t, unsigned>& gid_klass_pair : + it)
And
./hb-ot-color-colr-table.hh:177:44: error: loop variable '_' is always a copy because the range of type 'hb_map_iter_t<hb_filter_iter_t<hb_map_iter_t<hb_range_iter_t<unsigned int, unsigned int>, (lambda at ./hb-ot-color-colr-table.hh:209:31), hb_function_sortedness_t::RETAINS_SORTING, nullptr>, (anonymous struct at ./hb-algs.hh:331:1) &, (anonymous struct at ./hb-algs.hh:51:1) &, nullptr>, (anonymous struct at ./hb-algs.hh:338:1) &, hb_function_sortedness_t::RETAINS_SORTING, nullptr>' does not return a reference [-Werror,-Wrange-loop-analysis]
for (const hb_item_type<BaseIterator>& _ : + base_it.iter ())
Use the WINAPI_PARTITION macro to filter desktop/app flavors.
We use a negated desktop check because the default (for mingw-w64 at
least) is to allow all API by combining desktop + app partitions.
This causes build failures if we were to filter using
WINAPI_PARTITION(WINAPI_FAMILY_APP) because it would always be true, but
those API also require Windows 8 or later, while we only require Vista
Fixes warnings like
../src/hb-blob.cc:572:47: warning: 'WINAPI_FAMILY_PC_APP' is not defined, evaluates to 0 [-Wundef]
#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
^
../src/hb-blob.cc:572:86: warning: 'WINAPI_FAMILY_PHONE_APP' is not defined, evaluates to 0 [-Wundef]
#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
How this works? gen-harfbuzzcc.py operates at its own source path (see its 7th line)
and that is reliable when used both on meson and autotools.
Just like 19ecabed, weirdly this didn't come up sooner, guess it has something
to do with timestamps. Fortunately whole harfbuzz.cc just doesn't matter for
packagers but we can tag a release only for this if needed.
The way it used to work was a bit nonidiomatic but the replacment
is idiomatic way of iterating used elsewhere.
The new code just doesn't check nullability of "characters", which isn't
what we do anywhere else.
All the other similar iterating API are like this and don't have such
comment, written at the time I wasn't familiar enough with the way such
API are shaped.
First time we do this in a way that if target object doesn't have the matching
function we basically "ignore". Risky but I feel like is the right decision
for this case.
I'm going to put back the template varargs and use those, which would make
the dispatcher be just that: "dispatcher", and wouldn't need to carry the
call context. That would be a refreshing change I think.
This was done in #770 but no indication of anyone is using it,
let's remove it from our meson port and we can just don't care about
it in autotools port after the migration to meson.
Instead of passing dependencies as required we used one giant shared
dependency list containing all dependencies for every library/executable.
While this kinda works, the specified deps are also used for generating
the pkg-config files and this leads to lots of Requires.private and Libs.private
entries which aren't really needed.
This removes the "deps" array and replaces it with a few smaller ones and
makes sure the public libraries only get passed the dependencies actually
needed.
Fixes#2441
ptem, used for AAT's tracking/`trak` table is equivalent to opsz of variable fonts.
For variable AAT fonts, such as SFNS, ideally variable axis of the hb_font_t
should be set and equivalent to ptem, https://crbug.com/1005969#c37
Searches variation axes of a hb_font_t object for a specific axis first,
if not set, then tries to get default style values from different
tables of the font.
Ebrahim Byagowi
Behdad Esfahbod
jfkthame
Jan Alexander Steffens (heftig)
Hugo Beauzée-Luyssen
Sebastian Rasmussen
Simon Cozens
Qunxin Liu
Nirbheek Chauhan
Khaled Hosny
Christoph Reiter