How i can save image from @GtkCanvas()? Gtk.jl

user_17928433 0
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I am using Gtk.jl and want to save image from GtkCanvas Here is my code:

canvas = @GtkCanvas()
draw_area = GtkWindow(canvas, "Canvas", 300, 300)

How can i do this?

julia gtk
1 Answers

You could use Cairo to create a surface and then save it as an image. eg in your draw function for the canvas in Gtk:

@guarded draw(can) do widget

    ...
    if _want_file_save_flag
        surface_buf = Gtk.cairo_surface_for(can)
        # Cairo.jl functions to write a surface to your image file go here
    end
end
user_42828470
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