Re: gqview image visualization widget in otherapplications

DANIELLLANO wrote:
> 
> Now that Google Maps is a really good example of what I was wanting,
> let's keep talking about this.
> 
> http://jgwebber.blogspot.com/2005/02/mapping-google.html
> 
> John Ellis wrote:
> > DANIELLLANO wrote:
> > > I'm coding a map viewer in gtk.
> > > Right now it's pretty lame as it only allows to move very slow in the
> > > map.
> > > I'd like the gqview image visualization widget to be usable in my application.
> > > I'd like it to be tile based with a cache (memory and disk).
> > > This way I could pan the image and when there's a need to display a tile
> > > it queries the database.
> > >
[snip]
> > For fun, I tried to hack in support for a tile based image representation, the
> > very rough result is available as a patch to GQview 1.5.1, available here:
> >
> >   http://gqview.sourceforge.net/gqview_1_5_1_source_tile_patch.tar.gz
> >
> > This is merely a proof of concept, to get the point across that it can be done
> > if someone were to take the time to fix all the bugs I introduced :)
> 
> What's the status of this patch?
> Since you removed it, is it somewhere else? is it integrated in gqview or
> other program?

It was moved to http://gqview.sourceforge.net/patches/ during a website
clean-up, but keep reading...


> 
> What I really want is a widget just like the one in Google Maps but in
> GTK+
> 
> So it just requests tiles using an API (callback or signal I don't know
> what's better idea and needs to be asynchronous like Google maps, the
> widget can't block while waiting to fetch a tile), that tile is identified
> by the position and the zoom level.

Your in luck :)

The tiles patch (plus many fixes) will be in GQview 2.1.0 (releasing as I type
this).

A good example is the new 'Pan View' in pan-view.c, although it is still a work
in progress, and has an ugly name.


> Please reply to the gqview list if possible since I can't post there because
> sourceforge thinks all @terra.es users are spammers.

CC'ing the list, I hope I didn't snip out any relevent information.


Greetings,
John

-- 
John Ellis <[email protected]>

http://gqview.sourceforge.net <GQview> | http://hideseek.sourceforge.net
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