     ///   - fontList: A list of font filenames to look for. The first match
     ///     will be used.
     ///   - color: The font color.
-    ///   - pointSize: The height of the font in typographical points (pt).
+    ///   - size: 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

    ///   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)

        // points in the following order:
        // lower left, lower right, upper right, and upper left corner.
        var boundingBox: [Int32] = .init(repeating: .zero, count: 8)
        gdImageStringFT(internalImage, &boundingBox, internalColor, fontList, size, angle, Int32(from.x), Int32(from.y), string)

        let lowerLeft = Point(x: boundingBox[0], y: boundingBox[1])
        let lowerRight = Point(x: boundingBox[2], y: boundingBox[3])
