[Lazarus] Get JPEG from TAChart in CGI app

[Leonardo M. Ramé]

On 2011-03-21 04:54:45 +1000, Alexander Klenin wrote:
> On Mon, Mar 21, 2011 at 04:44, Leonardo M. Ramé <l.rame at griensu.com> wrote:
> >> Of course, since you are converting an object to the type it does not belong to.
> >> You should create a TBitmap or another similar object.
> >> Did you look at the savedemo as I proposed in a previous mail?
> >
> > Yes, if I try to PaintOnCanvas of a TBitmap, for example. I get "Canvas
> > does not allow drawing".
> 
> That is very strange. I have created a nogui demo in r29942,
> which does not have any gui, and creates a bitmap file with the chart.
> Does it work for you?
> 

It works when compiled with Gtk2 widgetset. If you set the nogui
widgetset you'll get the "Canvas does not allow drawing error".

-- 
Leonardo M. Ramé
http://leonardorame.blogspot.com