<i18n dev> [OpenJDK 2D-Dev] RFR: 8208179: Devanagari not shown with logical fonts on Windows after removal of Lucida Sans from JDK

[Phil Race]

Any takers ? Jay ? Also adding i18n-dev.

-phil.

On 4/20/19 4:29 PM, Philip Race wrote:
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8208179
> Webrev: http://cr.openjdk.java.net/~prr/8208179/index.html
>
> The original complaint is missing devanagari in logical fonts in 
> Oracle JDK 11.
> I realised in looking at this that we are also missing Thai.
> The reason is that Lucida Sans was removed and there are no windows fonts
> configured to replace these.
> In fixing this we can also add support for other Indic scripts and 
> Khmer + Mongolian too
> as Windows 7 and later all contain suitable UI fonts.
>
> One wrinkle is that we will be more likely to trip over a small bug 
> whereby
> if we have registered one font in a family due to it being mentioned 
> in a logical
> font and that font can be used to synthesis another style of that 
> font, we don't
> go to check to see if there is a system font of the exact style.
> FontFamily.getFont(String name, int style) has a comment warning of 
> this possibility.
> This was observed that Mangal hid Mangal Bold for example, and 
> inconsistently if
> you used the Mangal Bold font directly it was not hidden and would be 
> used.
> So the fix adds a call to an existing method which will resolve all 
> fonts in that family first.
>
> A test is provided which verifies the scripts are now supported by the 
> logical fonts on Windows.
>
> -phil.
>
>