On Monday 05 August 2013 12:26:40 OASIS Issues Tracker wrote: > The color mode "Watermark" makes images pale, not transparent > ------------------------------------------------------------- > > Key: OFFICE-3841 > URL:
http://tools.oasis-open.org/issues/browse/OFFICE-3841 > Project: OASIS Open Document Format for Office Applications > (OpenDocument) TC Issue Type: Bug > Components: Graphics > Affects Versions: ODF 1.2 > Reporter: Regina Henschel > Priority: Minor > Fix For: ODF 1.2 Errata 01 > > > In section 20.104 draw:color-mode ODF1.2 specifies "watermark: colors are > modified to make the resulting image transparent." That is wrong, the > image becomes pale, not transparent. The property is only implemented in > LibreOffice and ApacheOpenOffice, not in Calligra and not in MS > PowerPoint2010. MS PowerPoint2013 has a general error in display of images > with assigned filter and can not be taken as reference. The help text in > LibreOffice and AOO says, "The graphic object is raised in brightness and > reduced in contrast so that it can be used in the background as a > watermark." > > For an errata I suggest to exchange "transparent" with "pale". > > We might consider to describe this filter in more detail in ODF1.3. Just a quick note: Calligra does implement watermark, and we have implemented it as making the image more transparent. So no, I don't particularly agree we should change the specification. Camilla Boemann, Calligra