Subject: Re: Overlapping, polygonal FOs From: James Clark <jjc@xxxxxxxxxx> Date: Wed, 21 May 1997 10:36:22 +0700 |
At 03:38 21/05/97 +0200, Ingo Macherius wrote: >In response to my XML-article (english translation is work in progress) a >reader asked, if a flow object can have a polygonal border (compared to >rectangular) and if FOs may overlap. It makes no sense to ask if a flow object is rectangular or can overlap. You can only ask this about an *area* (the result of formatting a flow object). Areas in DSSSL at the moment are always rectangular. It is possible for them to overlap. When they do, there's a layer characteristic that controls which is on top. The imaging model is the same as PostScript's: marks made on the presentation medium are not transparent, and the topmost mark is the one that wins. James DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
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