SetShape

    canvas:SetShape(
        {
            { xProportional = 0.0, yProportional = 0.0 },
            { xProportional = 1.0, yProportional = 0.0 },
            { xProportional = 1.0, yProportional = 1.0 },
            { xProportional = 0.0, yProportional = 1.0 },
            { xProportional = 0.0, yProportional = 0.0 },
        },
        {
            type = "texture",
            source = "CanvasTest",
            texture = "moon.png",
            wrap = "wrap",
        },
        nil
    )