Sign documents with additional image adjustments Leave feedback

using (Signature signature = new Signature("sample.pdf"))
{
    ImageSignOptions options = new ImageSignOptions("sample.jpg")
    {
        // set signature position
        Left = 100,
        Top = 100,
        // set signature rectangle
        Width = 100,
        Height = 30,
        // set signature alignment
        VerticalAlignment = Domain.VerticalAlignment.Bottom,
        HorizontalAlignment = Domain.HorizontalAlignment.Right,
        Margin = new Padding() { Bottom = 20, Right = 20 },
        // setup image additional appearance as Brightness and Border
        Appearance = new ImageAppearance()
        {
            Grayscale = true,
            Contrast = 0.2f,
            GammaCorrection = 0.3f,
            Brightness = 0.9f,
            Border = new Border()
            {
                Color = Color.DarkGreen,
                DashStyle = DashStyle.DashLongDashDot,
                Transparency = 0.5,
                Visible = true,
                Weight = 2
            }
        }
    };
    // sign document to file
    signature.Sign("signed.pdf", options);
}

using (Signature signature = new Signature("sample.docx"))
{
    TextSignOptions options = new TextSignOptions("John Smith")
    {
        // set signature position
        Left = 100,
        Top = 100,
        // set signature rectangle
        Width = 100,
        Height = 30,
        // setup proper signature implementation
        SignatureImplementation = TextSignatureImplementation.Sticker,
        Appearance = new PdfTextStickerAppearance()
        {
            // select sticker icon
            Icon = PdfTextStickerIcon.Star,
            // setup if popup annotation will be opened by default
            Opened = false,
            // text content of an annotation
            Contents = "Sample",
            Subject = "Sample subject",
            Title = "Sample Title"
        },
        // set signature alignment
        VerticalAlignment = Domain.VerticalAlignment.Bottom,
        HorizontalAlignment = Domain.HorizontalAlignment.Right,
        Margin = new Padding() { Bottom = 20, Right = 20 },
        // set text color and Font
        ForeColor = Color.Red,
        Font = new SignatureFont { Size = 12, FamilyName = "Comic Sans MS" },
    };
    // sign document to file
    signature.Sign("signed.docx", options);
}