Re: c++ question

[Michael Goffioul]

On Mon, Oct 12, 2009 at 7:37 AM, Jaroslav Hajek <address@hidden> wrote:
> No, it would work the same if the methods were non-virtual, it plays
> no role. What you see is a bit unknown C++ feature called "name
> hiding". In short, methods from base class are not automatically
> imported into the subclass namespace if there's an overloaded version
> declared in the subclass. (Trust me, there are good reasons for this).

Thanks, I didn't know about that feature. Maybe the "draw" interface of
opengl_render class should be changed into "drawXXXX" (drawImage,
drawText...) such that any future derived class won't be bitten by this
issue.

Michael.