Re: Printing in CVS HEAD.

[Jean Bréfort <jean brefort normalesup org>]

Le mardi 10 octobre 2006 à 16:58 +1000, Martin Sevior a écrit :
> On Mon, 2006-10-09 at 10:54 +0100, Tomas Frydrych wrote:
> > msevior physics unimelb edu au wrote:
> > > Hi Tomas,
> > >          Congrats on all your work to get printing going with the pango
> > > graphics class.
> > >
> > > It now basically works.
> > >
> > > However I'm seeing substantial non-WYSIWYG behaviour. A document of 3
> > > pages plus 2 lines on page 4 while on screen becomes 3 pages (less 2
> > > lines) in print preview.
> > >
> > > Do you have an idea what is happenning here? How do you plan to to fix it?
> >
> > This is the problem I described in an earlier mail to the list; the
> > GnomePrint Pango backend obtains font metrics for hardcoded resolution
> > of 72dpi; Pango-xft backend uses whatever the X server is running with
> > (96dpi on my machine), and the font metrics obtained for the two
> > resolutions do not match. This is really a GnomePrint bug/API issue, and
> > should be addressed in GP, but that needs some GnomePrint knowledge
> > which I do not have. I have emailed Jody a while back, but had no reply
> > as yet.
>
> I'm cross posting this to Jody directly the gnumeric list. Can we just
> grep through the gnome-print code, hunt down all the 72.0 assumptions
> and replace them with a definable resolution?
>
> I can't see why we gnome-print needs 72.0 to be hard-coded. Maybe
> someone else can tell us?

I don't know either, but the real resolution can be changed with
gnome_print_scale, imho. Something as:
gnome_print_scale (gpc, 72./96., 72./96.);

Jean