RFR: 8367867: [macosx] Ignorable whitespace in text not removed when printing [v4]

[Phil Race]

On Thu, 18 Sep 2025 14:56:05 GMT, Daniel Gredler <dgredler at openjdk.org> wrote:

>> When text is printed (or drawn to screen), some whitespace characters like new lines should be ignored (see `FontUtilities.isIgnorableWhitespace(int)`). This is currently not being done when printing on macOS, and is one (of about half a dozen) reasons why `java/awt/print/PrinterJob/PrintTextTest.java` is currently problem listed on macOS. Fixing this bug will get us one step closer to removing this test from the problem list.
>> 
>> Within `PrintTextTest`, this issue can be seen specifically with the extra space before and after "drawChars(" on every page of the printed document. This whitespace should not be present.
>> 
>> This change aligns behavior with printing on other platforms (see `RasterPrinterJob.removeControlChars(String)`) and with screen display on macOS (see `CCharToGlyphMapper`) and other platforms.
>
> Daniel Gredler has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Make removeControlChars() static

Marked as reviewed by prr (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27345#pullrequestreview-3259180806