alias Gtk::DrawingAreaDrawFunc

Overview

Whenever @drawing_area needs to redraw, this function will be called.

This function should exclusively redraw the contents of the drawing area and must not call any widget functions that cause changes.

Alias Definition

Gtk::DrawingArea, Cairo::Context, Int32, Int32 -> Nil

Defined in:

lib/gi-crystal/src/auto/gtk-4.0/gtk.cr