RFR: 8280861: Robot color picker broken on Linux with scaling above 100% [v3]

[Maxim Kartashev]

On Tue, 15 Feb 2022 00:43:42 GMT, Phil Race <prr at openjdk.org> wrote:

>> Maxim Kartashev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Updated copyright date in TestJProgressBarHighlightColor.java
>
> src/java.desktop/unix/native/libawt_xawt/awt/gtk3_interface.c line 2867:
> 
>> 2865: 
>> 2866: inline static int scale_down_to_plus_inf(int what, int scale) {
>> 2867:     return (int)ceilf(what / (float)scale);
> 
> I find the name of this and the companion function confusing.
> what is "inf" short for ? I see that and I think plus_infinity.
> scaled_ceiling and scaled_floor might be better names based on what I see.

@prrace The change has been made, please, take a look.

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PR: https://git.openjdk.java.net/jdk/pull/7425