> 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.
GennadiyKrivoshein has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 15 commits: - Update copyright, fix typos, move the proxy to the macos - Merge branch 'master' into monochrome-printing - proxy mac only - Revert "grammar fixes" This reverts commit 355b2b8f1dbc71cef433e9a925dfb8a7fff56f99. - Revert "formatting" This reverts commit fde514baeadc2775fa502a2a2d312c6038880e7a. - Revert "update copyright" This reverts commit 60e9b4f024544cfac4ddaddc1ea3653bd4a2fe4c. - Revert "move grayscale methods to PSPathGraphics" This reverts commit 1ef135680645ad2647c4430e852095dda8aa7e0c. - Merge remote-tracking branch 'openjdk/master' into monochrome-printing # Conflicts: # src/java.desktop/share/classes/sun/print/RasterPrinterJob.java - Merge remote-tracking branch 'openjdk/master' into monochrome-printing - move grayscale methods to PSPathGraphics - ... and 5 more: https://git.openjdk.org/jdk/compare/6c591854...5486473b ------------- Changes: https://git.openjdk.org/jdk/pull/21930/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21930&range=04 Stats: 585 lines in 4 files changed: 583 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/21930.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21930/head:pull/21930 PR: https://git.openjdk.org/jdk/pull/21930
