واجهات برمجة تطبيقات التوقيع الرقمي لـ .NET و Java لتوقيع المستندات والصور

Signature signature = new Signature("sample.pdf");
TextSignOptions options = new TextSignOptions("John Smith");
// set signature position
options.setLeft(100);
options.setTop(100);

// set signature rectangle
options.setWidth(100);
options.setHeight(30);

// set text color and Font
options.setForeColor(Color.RED);
SignatureFont signatureFont = new SignatureFont();
signatureFont.setSize(12);
signatureFont.setFamilyName("Comic Sans MS");
options.setFont(signatureFont);

// sign document to file
signature.sign("sample_signed.pdf", options); 

using (Signature signature = new Signature("sample.pdf"))
{
    ImageSignOptions options = new ImageSignOptions("signature.jpg")
    {
        // set signature position
        Left = 100,
        Top = 100,
        AllPages = true
    };
    signature.Sign("SampleSigned.pdf", options);
}  

Signature signature = new Signature("sample.docx");
ImageSignOptions options = new ImageSignOptions("signature.jpg");
// set signature position
options.setLeft(100);
options.setTop(100);
options.setPageNumber(1);
// sign document to file
signature.sign("SampleSigned.docx", options);  

    using (Signature signature = new Signature("sample.pdf"))
{
    // initialize digital option with certificate file path
    DigitalSignOptions options = new DigitalSignOptions("certificate.pfx")
    {
        // optional image setup (file path)
        ImageFilePath = "sample.jpg",
        // set signature position
        Left = 100,
        Top = 100,
        // set
        Password = "1234567890"
    };
    signature.Sign("sampleSigned.pdf", options);
} 

        Signature signature = new Signature("sample.pdf");
DigitalSignOptions options = new DigitalSignOptions("certificate.pfx");
 // optional image setup (file path)
options.setImageFilePath("sample.jpg");
options.setLeft(100);
options.setTop(100);
options.setPassword("1234567890");
// sign document to file
signature.sign("sampleSigned.pdf", options); 

// Pass the document to class constructor in which the signature will be updated
using (Signature signature = new Signature("sampleSigned.pdf"))
{
    ImageSearchOptions options = new ImageSearchOptions();
    // search for image signatures in document
    List signatures = signature.Search(options);
    if(signatures.Count > 0)
    {
        ImageSignature imageSignature = signatures[0];
        // change Image properties
        signatureToUpdate.Top = 200;
        signatureToUpdate.Left = 200;
        signatureToUpdate.Width = 300;
        signatureToUpdate.Height = 150;

        bool result = signature.Update(imageSignature);
        if(result)
        {
            Console.WriteLine($"Signature with Top '{imageSignature.Top}' was updated in the document ['{fileName}'].");
        }
        else
        {
            Console.WriteLine($"Signature was not updated in the document! Signature with Top '{imageSignature.Top}' was not found!");
        }
    }
} 

Signature signature = new Signature("sampleSigned.pdf");
try {
    TextSearchOptions options = new TextSearchOptions();
    // search for text signatures in document
    List signatures = signature.search(TextSignature.class, options);
    if (signatures.size() > 0) {
        TextSignature textSignature = signatures.get(0);
        // change Text property
        textSignature.setText("John Walkman");
        // change position
        textSignature.setLeft(textSignature.getLeft() + 50);
        textSignature.setTop(textSignature.getTop() + 50);
        // change size. Please note not all documents support changing signature size
        textSignature.setWidth(200);
        textSignature.setHeight(100);
 
        boolean result = signature.update("sampleSigned.pdf",textSignature);
        if (result) {
            System.out.print("Signature with Text '" + textSignature.getText() + "' was updated in the document ['sampleSigned.pdf'].");
        } else {
            System.out.print("Signature was not updated in the document! Signature with Text '" + textSignature.getText() + "' was not found!");
        }
    }
} catch (Exception e) {
    throw new GroupDocsSignatureException(e.getMessage());
}

using (Signature signature = new Signature("sampleSigned.pdf"))
{
    ImageSearchOptions options = new ImageSearchOptions();
    // search for image signatures in document
    List signatures = signature.Search(options);
    if(signatures.Count > 0)
    {
        ImageSignature imageSignature = signatures[0];
        // change Image properties
        signatureToUpdate.Top = 200;
        signatureToUpdate.Left = 200;
        signatureToUpdate.Width = 300;
        signatureToUpdate.Height = 150;

        bool result = signature.Update(imageSignature);
        if(result)
        {
            Console.WriteLine($"Signature with Top '{imageSignature.Top}' was updated in the document ['{fileName}'].");
        }
        else
        {
            Console.WriteLine($"Signature was not updated in  the document! Signature with Top '{imageSignature.Top}' was not found!");
        }
    }
} 

    Signature signature = new Signature(sample.pdf);
 // setup search options
TextSearchOptions options = new TextSearchOptions();
// specify as true to search all pages of a document
options.setAllPages(true);
// search only page with specified number
options.setPageNumber(1);
// specify text math type    
options.setMatchType(TextMatchType.Contains);
// specify text to search
options.setText("John Smith");
 
// search for text signatures in document
List signatures = signature.search(TextSignature.class,options);
// output signatures
for (TextSignature textSignature : signatures)
 {
 
     if (textSignature != null)
     {
         System.out.print("Found Text signature at page "+sign.getPageNumber()+" with type ["+sign.getSignatureImplementation()+"] and text '"+sign.getText()+"'.");
         System.out.print("Location at "+sign.getLeft()+"-"+sign.getTop()+". Size is "+sign.getWidth()+"x"+sign.getHeight()+".");
     }
 } 

    // initialize Signature instance
Signature signature = new Signature("signed.docx");
ImageSearchOptions options = new ImageSearchOptions();
 
List signatures = signature.search(ImageSignature.class, options);
List signaturesToDelete = new ArrayList();
// collect signatures to delete
for (ImageSignature temp : signatures)
{
    if (temp.getSize() > 10000)
    {
        signaturesToDelete.add(temp);
    }
}
// delete signatures
DeleteResult deleteResult = signature.delete("signed.docx",signaturesToDelete);
if (deleteResult.getSucceeded().size() == signaturesToDelete.size())
{
    System.out.print("All signatures were successfully deleted!");
}
else
{
    System.out.print("Successfully deleted signatures : "+deleteResult.getSucceeded().size());
    System.out.print("Not deleted signatures : "+deleteResult.getFailed().size());
}
System.out.print("List of deleted signatures:");
for(BaseSignature temp : deleteResult.getSucceeded())
{
    System.out.print("Signature# Id:"+temp.getSignatureId()+", Location: "+temp.getLeft()+"x"+temp.getTop()+". Size: "+temp.getWidth()+"x"+temp.getHeight());
}