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GroupDocs.Signature provides StampSIgnOptions class with additional properties to specify different options for Stamp Signature. This signature type implements stamps with different implementation, forms, lines etc. Each Stamp option contains inner and outer lines. Inner lines represent vertical lines inside the stamp, when outer lines represent circles (or rectangles based on stamp type) around stamp with own text, border settings, background etc
Here are the steps to add Stamp signature into document with GroupDocs.Signature:
- Create new instance of Signature class and pass source document path as a constructor parameter.
- Instantiate the StampSIgnOptions object according to your requirements and specify Text Signature options.
- Call Sign method of Signature class instance and pass StampSIgnOptions to it.
- Analyze SignResult result to check newly created signatures if needed.
This example shows how to add Stamp signature to document. See SignResult
using (Signature signature = new Signature(filePath))
{
// setup options with text of signature
StampSignOptions signOptions = new StampSignOptions()
{
Height = 300,
Width = 300,
VerticalAlignment = VerticalAlignment.Bottom,
HorizontalAlignment = HorizontalAlignment.Right,
Margin = new Padding() { Right = 10, Bottom = 10 },
Background = new Background() { Color = Color.DarkOrange },
BackgroundColorCropType = StampBackgroundCropType.OuterArea,
ImageFilePath = @"center.jpg",
BackgroundImageCropType = StampBackgroundCropType.InnerArea,
AllPages = true
};
//add few outer round lines
signOptions.OuterLines.Add(
new StampLine()
{
Text = "* European Union *",
TextRepeatType = StampTextRepeatType.FullTextRepeat,
Font = new SignatureFont() { Size = 12 },
Height = 22,
TextBottomIntent = 6,
TextColor = Color.WhiteSmoke,
BackgroundColor = Color.DarkSlateBlue
}
);
signOptions.OuterLines.Add(
new StampLine()
{
Height = 2,
BackgroundColor = Color.White
}
);
signOptions.OuterLines.Add(
new StampLine()
{
Text = "* Entrepreneur *",
TextRepeatType = StampTextRepeatType.FullTextRepeat,
TextColor = Color.DarkSlateBlue,
Font = new SignatureFont() { Size = 15 },
Height = 30,
TextBottomIntent = 8,
InnerBorder = new BorderLine() { Color = Color.DarkSlateBlue, DashStyle = DashStyle.Dot },
OuterBorder = new BorderLine() { Color = Color.DarkSlateBlue },
}
);
//Inner square lines
signOptions.InnerLines.Add(
new StampLine()
{
Text = "John",
TextColor = Color.MediumVioletRed,
Font = new SignatureFont() { Size = 20, Bold = true },
Height = 40,
}
);
signOptions.InnerLines.Add(
new StampLine()
{
Text = "Smith",
TextColor = Color.MediumVioletRed,
Font = new SignatureFont() { Size = 20, Bold = true },
Height = 40
}
);
signOptions.InnerLines.Add(
new StampLine()
{
Text = "SSN 1230242424",
TextColor = Color.MediumVioletRed,
Font = new SignatureFont() { Size = 12, Bold = true },
Height = 40,
}
);
// sign document
string signedPath = @"C:\GroupDocs\Output\Pdf_Documents_Stamp.pdf";
signature.Sign(signedPath, signOptions);
You may easily run the code above and see the feature in action in our GitHub examples:
- GroupDocs.Signature for .NET examples, plugins, and showcase
- GroupDocs.Signature for Java examples, plugins, and showcase
- Document Signature for .NET MVC UI Example
- Document Signature for .NET App WebForms UI Example
- Document Signature for Java App Dropwizard UI Example
- Document Signature for Java Spring UI Example
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.
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