     public func desaturate() {
         gdImageGrayScale(internalImage)
     }
-    
+
     /// Reduces `Image` to an indexed palette of colors from larger color spaces.
     /// Index `Image`s only make sense with 2 or more colors, and will `throw` nonsense values
     /// - Parameter numberOfColors: maximum number of colors

    ///         fontList: "SFCompact",
    ///         color: .red,
    ///         pointSize: 100,
    ///         text: "SwiftGD"
    ///     )
    ///
    /// - Parameters:

    ///   - color: The font color.
    ///   - pointSize: The height of the font in typographical points (pt).
    ///   - angle: The angle in radian to rotate the font counter-clockwise.
    ///   - string: The string to render.
    /// - Returns: The string bounding box. You can use this array to render the
    ///   text off-image first, and then draw it again, on the image, with the
    ///   bounding box image information (e.g., to center align the text).
    ///   The points are returned in the following order: lower left, lower
    ///   right, upper right, and upper left corner.
    @discardableResult
    public func stringFT(from: Point, fontList: String, color: Color, pointSize: Double, angle: Double = 0.0, string: String) -> [Point] {
        let red = Int32(color.redComponent * 255.0)
        let green = Int32(color.greenComponent * 255.0)
        let blue = Int32(color.blueComponent * 255.0)
