[Freeciv-Dev] Re: (PR#4648) how to do wrapping in map_to_canvas_pos?

["Jason Short" <jdorje@xxxxxxxxxxxxxxxxxxxxx>]

Jason Short wrote:

>>This setup is probably rare and undesrving much attention.  I would
>>recommend, however, in the view of ever-slowing client, to cache the
>>numbers that are recalcualted for every call.  center_map_x,
>>center_map_y, only need to be recalculated when the window is shifted or
>>gets resized, not when we draw each tile.
> 
> Seems reasonable.

Actually, this is a bit tricky since these values can be changed in 
numerous places.  There should be a separate patch to introduce a 
set_mapview_origin() function.

jason