On Wed, 17 Sep 2025 13:28:57 GMT, Daniel Gredler <[email protected]> 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.

src/java.desktop/share/classes/sun/print/RasterPrinterJob.java line 2479:

> 2477:      * don't have to worry about platform or font specific handling of 
> them.
> 2478:      */
> 2479:     public String removeControlChars(String s) {

Perhaps the commend on this method could be updated too, since the method 
became `public`?

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/27345#discussion_r2355673235

Reply via email to