Re: GooCanvas.Group move item

[damonachaplin gmail com]

On Wed, 2021-01-13 at 18:10 +0100, Jérôme Lanteri via goocanvas-list
wrote:
> Hi,
>
> I have some items who are GooCanvas.CanvasGroup (one for each item to
> be 
> a shape) contained a GooCanvas.CanvasRect and a GooCanvas.CanvasText.
>
> I see i can rotate or translate the group
>
> 1/ how to mirrored the group (on X axe or Y axe or both axes) ?

Unfortunately there is no support for mirroring items. You might be
able to mirror shapes yourself, by doing your own calculations, but I
don't think you'd be able to mirror text.


> 2/ how to get result of each coordinates points of the final shape
> (or 
> the Rect) ? (this way i can use contraint test to limit any move to
> not collid other item)


Something like goo_canvas_convert_from_item_space() might help here:
https://developer.gnome.org/goocanvas/stable/GooCanvas.html#goo-canvas-convert-from-item-space


Damon