(patch) new feature for tangoGPS: detail-scaling
marcus.bauer at gmail.com
Mon Nov 2 16:36:07 CET 2009
On Mon, 2 Nov 2009 16:30:02 +0100
Yorick Moko <yorickmoko at gmail.com> wrote:
> please also sent your patches to Marcus Bauer (the author of TangoGPS)
Joshua did already - I am just sitting on a big pile of backlog email.
> On Mon, Nov 2, 2009 at 4:18 PM, Joshua Judson Rosen
> <rozzin at geekspace.com>wrote:
> > Hi everybody,
> > I've added a feature to my copy of tangoGPS, and thought that others
> > might be interested: it allows the *details* in the map (e.g.: text,
> > icons) to be scaled up (to show fewer details, but make the shown
> > details bigger) or scaled down (to render the details smaller, but
> > show more of them).
> > This has made tangoGPS *much* more usable for me on my FreeRunner,
> > because I can actually read the labels for streets, etc. without
> > holding the screen very close to my face :)
> > (I guess that the OpenStreetMap tiles are rasterised expecting
> > something like 96 DPI, but the FreeRunner's display runs at ~280
> > DPI, so text and icons used in OSM tiles is *very* small when
> > displayed on the FreeRunner without any upsampling; `zooming the
> > details' by 1 level makes everything legible at arm's length, and
> > zooming the details by 2 levels makes the text easy to read even at
> > a glance while driving).
> > I've attached 2 separate patches: one patch that adds the `back end'
> > of the feature (a new `global_detail_zoom' variable with the
> > corresponding gconf hooks, and some minor-changes to the
> > tile-loading code), and another patch that adds the front-end GUI
> > for the feature (an additional submenu in the map screen, and a
> > couple of new callbacks to accompany the new menu-items).
> > I added the submenu and menu-items manually in interface.c--it looks
> > like Marcus is using Glade to maintain the GUI, but I'm not entirely
> > sure (I didn't see glade-file in the tarball...); if he still *is*
> > using Glade, then it may make more sense to defined these submenus
> > via Glade.
> > --
> > Don't be afraid to ask (Lf.((Lx.xx) (Lr.f(rr)))).
> > _______________________________________________
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