I am trying to write an extremely simple program, which will be animated
by showing an image, then redrawing it one pixel over, etc.
I have followed the clock example in the tutorial with the following
successes:
the image is displayed.
the timer works
the timer connects to a function (following the clock example),
But I can't figure out how to redraw the image.
Here is the function that I thought would lead to the image disappearing
(Header is the drawing area):
bool Header::update()
{
Glib::RefPtr<Gdk::Window> win = get_window();
if (win)
{
Gdk::Rectangle r(600, 2, 70,70);// this is the rectangle where
the image is displayed
win->invalidate_rect(r, false);
};
return TRUE;
}
Thanks for any help.
Andy Gilman
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