Sign documents with additional image adjustments

Signature signature = new Signature("sample.pdf");
ImageSignOptions options = new ImageSignOptions("sample.jpg");
 
    // set signature position
options.setLeft(100);
options.setTop(100);
 
    // set signature rectangle
options.setWidth(100);
options.setHeight(30);
 
    // set signature alignment
options.setVerticalAlignment(VerticalAlignment.Bottom);
options.setHorizontalAlignment(HorizontalAlignment.Right);
Padding padding = new Padding();
padding.setBottom(20);
padding.setRight(20);
options.setMargin(padding);
 
    // setup image additional appearance as Brightness and Border
ImageAppearance imageAppearance = new ImageAppearance();
 
imageAppearance.setGrayscale(true);
imageAppearance.setContrast(0.2f);
imageAppearance.setGammaCorrection(0.3f);
imageAppearance.setBrightness(0.9f);
Border border = new Border();
 
border.setColor(Color.GREEN);
border.setDashStyle(DashStyle.DashLongDashDot);
border.setTransparency(0.5);
border.setVisible(true);
border.setWeight(2);
 
imageAppearance.setBorder(border);
options.setAppearance(imageAppearance);
 
// sign document to file
SignResult signResult = signature.sign("signed.pdf", options);
// analyzing result
System.out.print("List of newly created signatures:");
int number = 1;
for(BaseSignature temp : signResult.getSucceeded())
{
    System.out.print("Signature #"+ number++ +": Type: "+temp.getSignatureType()+" Id:"+temp.getSignatureId()+
            ",Location: "+temp.getLeft()+"x"+temp.getTop()+". Size: "+temp.getWidth()+"x"+temp.getHeight());
}

Signature signature = new Signature("sample.docx");
{
    TextSignOptions options = new TextSignOptions("John Smith");

        // set signature position
    options.setLeft(100);
    options.setTop(100);
        // set signature rectangle
    options.setWidth(100);
    options.setHeight(30);
        // setup proper signature implementation
    options.setSignatureImplementation(TextSignatureImplementation.Sticker);
    PdfTextStickerAppearance appearance = new PdfTextStickerAppearance();
    // select sticker icon
    appearance.setIcon(PdfTextStickerIcon.Star);
    // setup if popup annotation will be opened by default
    appearance.setOpened(false);
    // text content of an annotation
    appearance.setContents("Sample");
    appearance.setSubject("Sample subject");
    appearance.setTitle("Sample Title");

    options.setAppearance(appearance);

        // set signature alignment
    options.setVerticalAlignment(VerticalAlignment.Bottom);
    options.setHorizontalAlignment(HorizontalAlignment.Right);
    Padding margin = new Padding();
    margin.setBottom(20);
    margin.setRight(20) ;
    options.setMargin(margin) ;
   
        // set text color and Font
    options.setForeColor(Color.RED);
    SignatureFont font =new SignatureFont();
    font.setSize(12); 
    font.setFamilyName("Comic Sans MS");
    options.setFont(font);

    // sign document to file
    signature.sign("signed.docx", options);
}