On Thu, 24 Mar 2022 22:36:28 GMT, Nikita Gubarkov <d...@openjdk.java.net> wrote:

>> It was implemented in JetBrains Runtime a year ago and was ported & 
>> refactored for this PR
>> It includes:
>> - Bitmap glyph loading via Freetype
>> - Manual scaling & transformation of bitmap glyphs with nearest-neighbor or 
>> bilinear-mipmap style algorithms depending on the text antialiasing hint
>> - Storing BGRA glyphs in glyph cache & rendering them as plain images, as 
>> currently used XRender text drawing functions doesn't support colored glyphs
>> - Small fixes in related code like null-checks which could cause NPE & 
>> comment typos
>
> Nikita Gubarkov has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   8269806: Fix builds with old Freetype (before 2.5)

This is a case to look with **Noto Emoji** font.
![emoticon_jdk_8269806_noto_emoji](https://user-images.githubusercontent.com/123720/160229313-554ac914-c3d0-4ac4-b10d-31ce84e2b227.png)

This tell us when we see emoticon with **dialog** logical font, most glyph come 
from **unifont** and some from other than **unifont**, which is **Noto Emoji** 
in my case.

An alternation is happened in same unicode ranges, `U1F624`, `U1F62C`, and from 
`U1F645` to `U1F64F`

-------------

PR: https://git.openjdk.java.net/jdk/pull/4798

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