Today Peter Speck wrote: > > On tirsdag, april 2, 2002, at 07:20 , Tobias Oetiker wrote: > > >> There's one thing I'm really missing, which is the stippled grid line > >> from the GD version. It doesn't seem to be easy to do with libart. Is > >> this on someone's hit list already? I'd hate to reinvent the wheel... > > > > Hi Bert, > > > > nope, but I guess by tuning the color and transparency defaults for > > the current lines this should be feasible ... I also expect the > > promised eps driver to use dashed lines to approximate transparency > > A few comments from eps/svg/pdf land: dashed lines are implemented as an > attribute on the line just like color is. The dash is a full on/off > functionality, so it basically chops the line into sublines. > The simplest implementation will have an attribute which is subline > length for each dash. The next simplest version will have a separate > length for the on-part and for the off-part. Having length = 0 could > signal non-dashed line. > Transparency came rather late to pdf (version 1.4, Acrobat 5.0), so > using it could probably be a problem for most non-Adobe pdf readers. > EPS/Postscript does not have support for transparency, and it have to be > faked somehow, if desireable. svg has transparency for it from version > 1.0.
so I guess having two additional parameters for 'lines' at least on the gfx level would be a desirable API ... cheers tobi > > ---- > - Peter Speck > > > -- > Unsubscribe mailto:[EMAIL PROTECTED] > Help mailto:[EMAIL PROTECTED] > Archive http://www.ee.ethz.ch/~slist/rrd-developers > WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi > > -- ______ __ _ /_ __/_ / / (_) Oetiker, ETZ J97, ETH, 8092 Zurich, Switzerland / // _ \/ _ \/ / phoneto:+41(0)1-632-5286 faxto:+41(0)1-632-1517 /_/ \.__/_.__/_/ [EMAIL PROTECTED] http://google.com/search?q=tobi -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-developers WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
