Merge pull request !5 from pssea/master

Signed-off-by: Nlizhiqi <lizhiqi1@huawei.com>

Merge pull request !3 from 马明帅/add_issus_pr_template_for_master

Merge pull request !1 from YueBiang/master

Description:add copyright
Team: OTHERS
Feature or Bugfix:Bugfix
Binary Source:No
PrivateCode(Yes/No):No

Change-Id: I324264fe4ef45e755d2ea9860cd9a74a3f115ec9
Reviewed-on: http://mgit-tm.rnd.huawei.com/10069123Tested-by: Npublic jenkins <public_jenkins@notesmail.huawei.com>
Reviewed-by: Nliqiang 00425722 <liqiang121@huawei.com>
Reviewed-by: Npeitaiyi 00452466 <peitaiyi@huawei.com>
Reviewed-by: Nlizhiqi 00272243 <lizhiqi1@huawei.com>
Reviewed-by: Nniulihua 00374115 <niulihua3@huawei.com>
Reviewed-by: Nwangjiongfeng 00488524 <wangjiongfeng@huawei.com>

Description: fix bug
Team: OTHERS
Feature or Bugfix: Feature
Binary Source:NA
PrivateCode(Yes/No):No

Change-Id: I4c0cfbf5cfdec5e8f1c9e867fe7462480c513c06
Reviewed-on: http://mgit-tm.rnd.huawei.com/10037167Tested-by: Npublic jenkins <public_jenkins@notesmail.huawei.com>
Reviewed-by: Nwangjiongfeng 00488524 <wangjiongfeng@huawei.com>

Description:opensource

Team: OTHERS
Feature or Bugfix: Feature
Binary Source:NA
PrivateCode(Yes/No):No

Change-Id: Icbbcf15de05401bedf708e97c59dcbb2c9ca652f
Reviewed-on: http://mgit-tm.rnd.huawei.com/9943319Tested-by: Npublic jenkins <public_jenkins@notesmail.huawei.com>
Reviewed-by: Nwangjiongfeng 00488524 <wangjiongfeng@huawei.com>

Fixes https://github.com/harfbuzz/harfbuzz/issues/1918

Hopefully doesn't break anyone...

I had specially exposed the API as I didn't know how to embed harfbuzz
easily elsewhere but now with harfbuzz.cc it has become very easy
and I don't like to see its use anywhere as it has a bad naming and
its Kashida adding is bogus and only useful to check where it should
be added, not visually useful however.

Fixes https://github.com/harfbuzz/harfbuzz/issues/1910

The change to `round` wasn't intended

Related:
https://github.com/google/oss-fuzz/pull/2513
https://github.com/systemd/systemd/commit/ce2098b7e9443cd6f31fb70af7f72308cd2962a3

Remove assumption about Core Text working in 96 DPI

Not have used it personally for a long time, lets remove it

Core Text seems to apply them to Latin text, but Uniscribe doesn’t.

See https://github.com/harfbuzz/harfbuzz/pull/1908#issuecomment-521819343

Fixes https://github.com/harfbuzz/harfbuzz/issues/1907

Needed for other works

Use hb_font_t coords directly

Set caret_count to zero as that is what we want to happen inside lcar when
there is no result.

I *think* it should fix https://github.com/harfbuzz/harfbuzz/issues/1901

Ie. if on a system, alignof(void*) < sizeof(void*)...