signal_foreground_color_changed_.construct();
signal_background_color_changed_.construct();
signal_gradient_changed_.construct();
signal_opacity_changed_.construct();
signal_blend_method_changed_.construct();
signal_interpolation_changed_.construct();
signal_foreground_color_changed_.construct();
signal_background_color_changed_.construct();
signal_gradient_changed_.construct();
signal_opacity_changed_.construct();
signal_blend_method_changed_.construct();
signal_interpolation_changed_.construct();