Add watermark

GroupDocs.Conversion allows you to apply a watermark to the converted document.  You can set the following options for controlling how the watermark will be stamped in the converted document:

WatermarkOptions

  • Text - watermark text
  • Font - watermark font name
  • Color - watermark color
  • Width - watermark width
  • Height  - watermark height
  • Top - watermark top position
  • Left  - watermark left position
  • RotationAngle - watermark rotation angle
  • Transparency - watermark transparency
  • Background - specifies that the watermark is stamped as background. If the value is true, the watermark is laid at the bottom. By default is false and the watermark is laid on top

Here are the steps to follow:

Following code snippet shows how to apply watermark to the output document:

using (Converter converter = new Converter("sample.docx"))
{
    WatermarkOptions watermark = new WatermarkOptions
    {
        Text = "Sample watermark",
        Color = Color.Red,
        Width = 100,
        Height = 100,
        Background = true
    };
    PdfConvertOptions options = new PdfConvertOptions
    {
        Watermark = watermark
    };
    converter.Convert("converted.pdf", options);
}

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