Re: Scale Gtk::Image

[Daniel Elstner <daniel kitta googlemail com>]

Am Freitag, den 26.06.2009, 18:07 +0200 schrieb Murray Cumming:
> On Fri, 2009-06-26 at 17:44 +0200, Daniel Elstner wrote:
> > Am Freitag, den 26.06.2009, 09:47 +0200 schrieb Dimitri Holz:
> > > I'm doing a small program how show photos or make presentation of many
> > > photos and it should scale Gtk::Image to the size of window. For showing
> > > photos I use Gtk::Image, but I can't find a way to scaling it.
> > 
> > I think it will normally be just as large as the image it shows.  If you
> > want to display a scaled image, then load it into a Gdk::Pixbuf and
> > scale that.  I think there is even a method to load and scale an image
> > file at the same time.
> > 
> > Then just tell the Gtk::Image to display your scaled Gdk::Pixbuf.
> 
> This is what I do in Glom:
> http://git.gnome.org/cgit/glom/tree/glom/utility_widgets/imageglom.cc#n292
> 
> I call that scale() method in my expose_event handler.

You override the expose_event handler of the Gtk::Image and set a new
pixbuf from in there?

That's bold. :-)

I'd try hooking into size_allocate() instead.

--Daniel