[OpenJDK 2D-Dev] [PATCH] 8218914: Support fonts installed per-user on Windows 10

Phil Race philip.race at oracle.com
Fri Feb 15 16:31:28 UTC 2019


 >  8218914: Handle the case when fonts are installed into user registry 
key. This is the default behaviour since Windows 10 1809.

When you get to the point of preparing a changeset, this line should 
have the bug synopsis.
The text you have here is better placed on the "Summary:" line.

You seem to have lines > 80 chars. Please fix.

What does Windows do if a user installs a different version of a font 
already installed on the system ?
- Refuse to install it ?
- Use the system one ?
- Use the user one ?

If it refuses to install it, we can ignore that problem. If it prefers 
one, we should make sure
we do the same.

I think the comment

/* Starting from Windows 10 Preview Build 17704 fonts are installed into 
user's home folder by default,


can be misconstrued. It could be read as ALL fonts are installed into a 
user folder and
there is no more system location. I think you actually mean

/* Starting from Windows 10 Preview Build 17704, when a user installs 
non-system fonts, * then by default they are installed in a new per-user 
location as specified in a * per user registry entry. */


Have you tested this on a machine with at least several user fonts 
installed and
verified we still get ALL the same system fonts as well as the new user 
fonts ?

Have you verified what this does on older OS versions ?

-phil.

On 2/15/19 6:23 AM, Mikhail Filippov wrote:
> Hi. Please review the fix.
>
> patch: attached to message.
> bug: https://bugs.openjdk.java.net/browse/JDK-8218914
> webrev: http://cr.openjdk.java.net/~dbatrak/8218914/webrev.01/
>
> Description:
> Starting from Windows 10 Preview Build 17704 fonts are installed into 
> the user's home folder by default, and are listed in user's registry 
> section. This is Microsoft blog post about it: 
> "https://blogs.windows.com/windowsexperience/2018/06/27/announcing-windows-10-insider-preview-build-17704/" 
> I this patch I extract function for registry access and call it for 
> two keys: HKEY_LOCAL_MACHINE and HKEY_CURRENT_USER. In original code 
> fonts loading only from HKEY_LOCAL_MACHINE.
>
>
>
> --
> Mikhail Filippov
> Software Developer
> JetBrains
> http://jetbrains.com
> “The Drive To Develop"
>

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