How to save signed Image with different output file type

Signature class supports saving of Image signed documents with different formats. Each of document type has list of compatible saving type. These values are listed in enumΒ ImageSaveFileFormat.

Here are the steps to save signed Image document to different output type with GroupDocs.Signature:

  • Create new instance ofΒ SignatureΒ class and pass source document path or stream as a constructor parameter.
  • Instantiate required signature options.
  • Instantiate theΒ ImageSaveOptionsΒ object according to your requirements and specifyΒ FileFormatΒ as one of predefined values fromΒ ImageSaveFileFormat.
  • CallΒ SignΒ method ofΒ Signature class instance and pass signatureoptions and objectΒ ImageSaveOptionsΒ to it.

Following example demonstrates how to save signed Image document with different output type

using (Signature signature = new Signature("sample.jpg"))
{
    // create QRCode option with predefined QRCode text
    QRCodeSignOptions signOptions = new QRCodeSignOptions("JohnSmith")
    {
        // setup QRCode encoding type
        EncodeType = QRCodeTypes.QR,
        // set signature position
        Left = 100,
        Top = 100
    };
    ImageSaveOptions saveOptions = new ImageSaveOptions()
    {
        FileFormat = ImageSaveFileFormat.Svg,
        OverwriteExistingFiles = true
    };
    // sign document to file
    signature.Sign("signed.svg", signOptions, saveOptions);
}

More resources

GitHub Examples

You may easily run the code above and see the feature in action in ourΒ GitHub examples:

Free Online Apps

Along with the full-featured .NET library, we provide simple but powerful free online apps.

To sign PDF, Word, Excel, PowerPoint, and other documents you can use the online apps from the GroupDocs.Signature App Product Family.