Merge pull request #1665 from n8willis/docs-gtkdoc-colormath

[Docs] Add gtk-doc comments for OT color and OT math

Fix builds

[config] Enable HB_NO_MT in HB_TINY

Now that user can override it if needed...

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

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

[config] Allow overriding chosen config

[test] minor, fix -Weverything bot

[test] minor

style fix and add return statement

Merge branch 'master' into docs-gtkdoc-colormath

Corrections to OT Color gtk-doc comments.

Corrections to OT Math gtk-doc comments.

Fix build

Disable sbix if no-color or no-ot-font-bitmap

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[iter] Check for more before forwarding/rewinding past ends

[iter] Fix filter rewinding

[array] Fix rewinding

Update src/hb-ot-color.cc

Co-Authored-By: Khaled Hosny <khaledhosny@eglug.org>

[iter] Add hb_map_sorted() and hb_map_retains_sorting()

Update src/hb-ot-math.cc

Co-Authored-By: Khaled Hosny <khaledhosny@eglug.org>

Update src/hb-ot-math.cc

Co-Authored-By: Khaled Hosny <khaledhosny@eglug.org>

Update src/hb-ot-color.cc

Co-Authored-By: Khaled Hosny <khaledhosny@eglug.org>

Update src/hb-ot-color.cc

Co-Authored-By: Khaled Hosny <khaledhosny@eglug.org>

Update src/hb-ot-color.cc

Co-Authored-By: Khaled Hosny <khaledhosny@eglug.org>

Update src/hb-ot-color.cc

Co-Authored-By: Khaled Hosny <khaledhosny@eglug.org>

Update src/hb-ot-color.cc

Co-Authored-By: Khaled Hosny <khaledhosny@eglug.org>

[config] Rename

[config] Add HB_NO_NAME

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config] HB_NO_OT_NAME_LANGUAGE AAT

[config] Comment

[config] Enable HB_NO_NAME_TABLE_AAT

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config] Add HB_NO_COLOR to HB_LEAN

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config Add HB_NO_OT_SHAPE_COMPLEX_VOWEL_CONSTRAINTS to LEAN

Already I don't like the inflexibility of this approach :(.

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config] Disbale getenv() and atexit() if HB_LEAN

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config] Make HB_DISABLE_DEPRECATED actually compile

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config] Add HB_NO_OT_LAYOUT_UNUSED

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config] Adjust

[config] Add HB_LEAN

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config] Fix tests

[config] Flesh out more

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[config] Add some

Add hb-config.hh

[subset] More HB_NO_SUBSET_LAYOUT

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[cff] Prune more code if HB_NO_OT_FONT_CFF

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[subset] Add HB_NO_SUBSET_CFF

Doesn't fully prune all the relevant code.  To be fixed later.

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

Add HB_NO_AAT

Part of https://github.com/harfbuzz/harfbuzz/issues/1652

[cff] Minor

Minor

[sanitize] Fix previous commit

[sanitize] Simplify

[sanitize] Use hb_is_trivially_copyable()

[meta] Add hb_is_trivial

[meta] Add hb_is_trivially_copyable()

[meta] Add is_trivially_destructible

Remove accidentally included include

[meta] Add is_destructible

[met]a Add is_constructible, ...

[iter] Adjust source_of/sink_of

Use hb_void_t<> the way it's supposed to be used

[meta] Minor

[meta] More rewrites

[meta] Rewrite hb_int_min/max

[meta] void_tt -> void_t

[meta] hb_void_t -> hb_empty_t

[meta] Minor

Minor

[meta] Rewrite is_signed, add is_unsigned

[meta] Rewrite is_integral / is_floating_point, add is_arithmetic

[meta] Rewrite is_cr_convertible

[meta] Rewrite is_base_of

[null] Modernize template work

[meta] Add integral_constant, true_t -> true_type, false_t -> false_type

[meta] bool_tt -> bool_constant

[meta] Add is_floating_point

[meta] Add is_signed for floating point types

[meta] is_integer -> is_integral

[meta] Add add_const, add_pointer, add_lvalue_reference, add_rvalue_reference

[vector] Simplify arrayZ

Was turned into function when we had static ones and wanted to be
move-safe...  Not the case anymore.

[subset] Use more auto typing

Minor

[serialize] More rewrite

[serialize] Fix a TODO

Update TESTING.md

Fix sanitize fail of extension sublookups

Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=960331

Minor

Minor

Minor again

Minor

[gsubgpos] Minor

Generate tarball in .xz instead of .bz2

Fixes https://github.com/harfbuzz/harfbuzz/issues/1662

Fix bot

Any way to catch these?

[meta] Add hb_is_base_of

[iter] Adjust is_source_of / is_sink_of

There are two cases that we accept.  Encode both.

Update TESTING.md

[iter] Rewrite test functions

Notably, add hb_is_source_of(,) and hb_is_sink_of(,) to replace most
uses of hb_is_iterator_of(,).

Minor

Whitespace

Fix bot

[algs] Implement implicit casting between compatible pair types

[meta] Rewrite hb_is_cr_converitble

Fix compile

NameRecord is not copy-constructible, so should be iterator of
const-reference.

Adjust is_cr_convertible

If To is const& then From doesn't need to be &.