Re: was: how to do a dash line in goocanvas, how to set color or position of a goocanvasgroup

[Damon Chaplin <damonachaplin gmail com>]

On Sun, 2013-09-29 at 10:28 -0400, D M German wrote:
>  dmg> onal to the pressure used to draw the line.
>  dmg> One of the problems I am facing is that when I try to set the properties
>  dmg> in the group, it does not change. For example, the following code
>  dmg> changes the color and position of any GooItem in the canvas, but it does
>  dmg> not do anything if the type is a GooCanvasGroup. I have debugged it and
>  dmg> I am positive that it is a GooCanvasGroup (it works for a
>  dmg> GooCanvasPolyline as expected):
>
>     g_object_set(item->canvas_item, 
>  dmg>                  "stroke-color-rgba", item->brush.color_rgba, 
>  dmg>                  "x", 10.0,
>  dmg>                  NULL);
>
>  dmg> Is this the way I should be changing its color once it is rendered in
>  dmg> the screen?
>
> Oh, I think I got an answer to my own question... the properties of children
> will be change as long as they have not been set. 

Yes, properties cascade down the hierarchy, but can be overridden on
lower levels.

Damon