RFR: 8367867: [macosx] Ignorable whitespace in text not removed when printing [v4]
Sergey Bylokhov
serb at openjdk.org
Wed Sep 24 23:23:42 UTC 2025
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 serb (Reviewer).
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PR Review: https://git.openjdk.org/jdk/pull/27345#pullrequestreview-3264995591
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