Class: Gtk::OffscreenWindow

Inherits:

Object

• Object
• Gtk::OffscreenWindow

Defined in:

(unknown)

Instance Method Summary

• #new ⇒ Gtk::Widget

  Creates a toplevel container widget that is used to retrieve snapshots of widgets without showing them on the screen.

• #pixbuf ⇒ GdkPixbuf::Pixbuf

  Retrieves a snapshot of the contained widget in the form of a Gdk::Pixbuf.

• #surface ⇒ cairo::Surface

  Retrieves a snapshot of the contained widget in the form of a #cairo_surface_t.

Instance Method Details

#new ⇒ Gtk::Widget

Creates a toplevel container widget that is used to retrieve snapshots of widgets without showing them on the screen.

Returns:

• (Gtk::Widget) —

  A pointer to a Gtk::Widget

#pixbuf ⇒ GdkPixbuf::Pixbuf

Retrieves a snapshot of the contained widget in the form of a Gdk::Pixbuf. This is a new pixbuf with a reference count of 1, and the application should unreference it once it is no longer needed.

Returns:

• (GdkPixbuf::Pixbuf) —

  A Gdk::Pixbuf pointer, or nil.

#surface ⇒ cairo::Surface

Retrieves a snapshot of the contained widget in the form of a #cairo_surface_t. If you need to keep this around over window resizes then you should add a reference to it.

Returns:

• (cairo::Surface) —

  A #cairo_surface_t pointer to the offscreen surface, or nil.