>----Messaggio originale----
>Da: [EMAIL PROTECTED]
>Data: 25/02/2008 3.13
>A: "Gennaro Bellizio"<[EMAIL PROTECTED]>
>Cc: <[email protected]>
>Ogg: Re: Goocanvasmm
>
>On Wed, 2008-02-20 at 22:45 +0100, Gennaro Bellizio wrote:
>>
>> >----Messaggio originale----
>> >Da: [EMAIL PROTECTED]
>> >Data: 20/02/2008 16.54
>> >A: "Gennaro Bellizio"<[EMAIL PROTECTED]>
>> >Cc: <[email protected]>
>> >Ogg: Re: Goocanvasmm
>> >
>>
>> >I'm afraid I don't really understand exactly what the problem is.
>> >Could you provide a small code example that shows the issue that
>> >you're having?
>> >
>> >--
>> >jonner
>> >
>>
>> Let's consider the coordinates example. When I run the application
no
>> rectangle is displayed onto the canvas.
>
>Really? It displays fine for me.
It's strange. Can I ask you what distro are you using? I'm using
ubuntu 7.04 on both AMD64 and x86 cpus.
>
>> - Glib::RefPtr<Goocanvas::Item> root = m_canvas.get_root_item();
>> - m_rect = Goocanvas::Rect::create(10, 10, 60, 60);
>> + Glib::RefPtr<Goocanvas::ItemModel> root = Goocanvas::
GroupModel::
>> create() ;
>> + m_canvas->set_root_item_model(root) ;
>> + m_rect = Goocanvas::RectModel::create(10, 10, 60, 60);
>> root->add_child(m_rect);
>> m_rect->property_line_width().set_value(10.0);
>> m_rect->property_stroke_color().set_value("yellow");
>> @@ -74,6 +75,7 @@
>> ", width=" << m_rect->property_width() << ", height="
<<
>> m_rect->property_height() <<
>> ", line_width=" << m_rect->property_line_width() << std::
>> endl;
>>
>> + // No bounds are available now, so the following will not
compile
>> Goocanvas::Bounds bounds = m_rect->get_bounds();
>> str << "Item bounds: x1=" << bounds.get_x1() << ", y1=" <<
bounds.
>> get_y1() << ", x2=" << bounds.get_x2() << ", y2=" << bounds.get_y2()
<<
>> std::endl;
>>
>> the rectangle is displayed but now its bounds aren't available
because
>> the *Model classes do not provide the get_bounds() method. The
same
>> happens for the Goocanvas::Ellipse instances.
>
>Hmm, well as far as I can tell, the C *Model classes don't have any
>concept of 'bounds' either. It seems like bounds is only a view
>property and not available via the model. So I think you'll need a
>Goocanvas::Rect class (not RectModel) in order to get or set the
bounds
>of an item.
>--
>Jonner
>
>
Gennaro Bellizio
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