Description: When a document uses a one bit per pixel grey-level PNG image (typically a watermark with light grey text on white background) as a page background, it is exported as a black-and-white image in PDF. Steps to Reproduce: See attached samples. Actual Results: . Expected Results: . Reproducible: Always User Profile Reset: No Additional Info: User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_1) AppleWebKit/604.3.5 (KHTML, like Gecko) Version/11.0.1 Safari/604.3.5
(Currently in master, the background image shows up in Writer as black&white, too, but that is a separate bug.)
Created attachment 137803 [details] Sample document
Created attachment 137804 [details] As exported to PDF by current master
Tor Lillqvist committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=ab99d4611cde968d02b97af63b74b80a427399a9 tdf#113875: Properly export 1bpp greylevel (but not B&W) PNG images to PDF It will be available in 6.0.0. The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Tor Lillqvist committed a patch related to this issue. It has been pushed to "libreoffice-5-4": http://cgit.freedesktop.org/libreoffice/core/commit/?id=f42d1a7788dc8f6e80c9c0a8e7ac8b04001dc941&h=libreoffice-5-4 tdf#113875: Properly export 1bpp greylevel (but not B&W) PNG images to PDF It will be available in 5.4.4. The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.