Integrated: 8315113: Print request Chromaticity.MONOCHROME attribute does not work on macOS

[GennadiyKrivoshein]

On Wed, 6 Nov 2024 14:15:44 GMT, GennadiyKrivoshein <duke at openjdk.org> wrote:

> This update allows users to print with grayscale using color printers.
> Actually, it is not possible to use the "Monochrome" option from the "Color Appearance" panel. Also Chromaticity.MONOCHROME can't be used to print grayscale on color printers ([JDK-8315113](https://bugs.openjdk.org/browse/JDK-8315113)).
> 
> **Fix description**
> When a printer supports color printing and a user adds Chromaticity.MONOCHROME attribute to a PrintRequestAttributeSet, then the final printing raster is transformed to the grayscale color using java.awt.image.ColorConvertOp. When the job is a PostScript job, then the "setColor" and "setPaint" methods of the Graphics are overridden, and user colors (paints) are transformed to the grayscale form using the new proxy class GrayscaleProxyGraphics2D.
> 
> This approach is assumed to be platform, CUPS, and IPP protocol independent.
> 
> **Tests**
> The fix was tested on Ubuntu 22.04 and MacOS 12.6.1.

This pull request has now been integrated.

Changeset: 8e51ff70
Author:    Gennadiy Krivoshein <gennadiy.krivoshein at bell-sw.com>
Committer: Phil Race <prr at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/8e51ff70d896aeb5b35e6bb6b00f1818d67c99e7
Stats:     505 lines in 4 files changed: 501 ins; 0 del; 4 mod

8315113: Print request Chromaticity.MONOCHROME attribute does not work on macOS

Reviewed-by: prr, psadhukhan

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PR: https://git.openjdk.org/jdk/pull/21930