On Sun, Nov 05, 2006 at 05:48:07PM -0800, Matt Zimmerman wrote:
> > > Package: librrd2
> > > Version: 1.2.11-0.6
> > > Severity: grave
> > >
> > > Hi,
> > >
> > > I'm noticing a peculiar problem with rrd.cgi (from
> > > http://haroon.sis.utoronto.ca/rrd/scripts/ ) on Debian etch, with RRDtool
> > > 1.2.11. Apparently, something makes the Perl RRD library crash every once
> > > in a while, whereas the same rrd.cgi works flawlessly on dozens of Debian
> > > sarge systems, with RRDtool 1.0.49.
> >
> > I just built myself a rrdtool 1.2.15-0.1 (the unpackaged upstream version)
> > and it seems to fix this problem.
> >
> > rrdtool maintainers, would you mind if I uploaded that as a NMU?
>
> Implicitly OK with me as always.
Thanks.
I noticed that you made no uploads since doko uploaded 1.2.x, which changed
the rendering mechanism from GD2 (and its lack of anti-aliasing and inherent
monospace font) to libart+FreeType (which have anti-aliasing and external
TrueType fonts).
I hate the new thing in general :) because it basically blurs lines and
fonts, while I never actually needed anything other than exact lines and
ASCII on my graphs.
In any event, there is nothing in the documentation of new rrdgraph about
the blurring of lines, only the option --no-gridfit, and I can't manage to
see any difference with that.
For the fonts blurring, there's --font-render-mode (which one should be able
to set to 'mono') and --font-smoothing-threshold (which one should be able
to set to something insanely large. But, neither of these options actually
work for me with our current Dejavu font, or in fact any other TrueType font
that I tried!
It keeps reporting the error 'unknown freetype pixel mode: 0', which seems
to indicate that at least one of the glyphs that FreeType tries to render
has the value of 0 as 'pixel mode', and the .h file describes that value as
reserved. Why this happens in all the fonts (tried Dejavu, Freefont, Vera,
even Sun JDK Lucida and Freefont non-mono fonts), I have no idea.
While anti-aliasing and Unicode support are in general a good idea, the way
they are implemented in rrdtool is really annoying. There should be options
to restore old behaviour - for example, a way to turn off line anti-aliasing
and a way to select the good old libGD monospace font. Right now I would be
happy with just a way to find that font and a way to feed it into the new
font rendering mechanism...
Sorry about the rant :)
--
2. That which causes joy or happiness.
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