Hi, I have been trying to use Cairo to draw on a Gtk::Window. I was
successful when I overrided on_draw(). But the only thing I saw was what I
drew everything else was black. What I did was
bool Window::on_draw(const Cairo::RefPtr<Cairo::Context>& cr)
{
Gdk::Cairo::set_source_pixbuf(cr, m_image, 10, 10);
cr->paint();
return false;
}
On my second attempt I tried this:
Window::Window()
{
auto cr = this->get_window()->create_cairo_context();
cr->save();
Gdk::Cairo::set_source_pixbuf(cr, m_image, 10, 10);
cr->paint();
cr->restore();
}
But this made the program crash. How can I draw on the Gtk::Window? Thank
You.
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