Result of added watermarks Leave feedback
GroupDocs.Watermark API provides the ability to add watermarks to document, where each added watermark being associated with a unique GUID (Globally Unique Identifier). This functionality not only enhances the security of the watermarked content, but also introduces a range of practical applications, like ability to trace the origin and distribution path of the watermarks, searching and removing specific watermark by id.
The following code snippet shows how to review result AddWatermarkResult with information about added watermarks in the document.
using (Watermarker watermarker = new Watermarker("sample_2_pages.pdf"))
{
// Initialize the font to be used for watermark
Font font = new Font("Arial", 19, FontStyle.Bold | FontStyle.Italic);
// Create the watermark object
TextWatermark watermark = new TextWatermark("Test watermark", font);
// Set watermark properties
watermark.ForegroundColor = Color.Red;
watermark.BackgroundColor = Color.Blue;
watermark.TextAlignment = TextAlignment.Right;
watermark.Opacity = 0.5;
// Add watermark
var result = watermarker.Add(watermark);
foreach(var item in result.Succeeded)
{
Console.WriteLine("WatermarkId: {0}", item.WatermarkId);
Console.WriteLine("WatermarkType: {0}", item.WatermarkType);
Console.WriteLine("PageNumber: {0}", item.PageNumber);
Console.WriteLine("WatermarkPosition: {0}", item.WatermarkPosition);
}
watermarker.Save(outputFileName);
}
Output will be:
WatermarkId: 1a78ef44-d497-451f-8f03-ca08ea537cc8
WatermarkType: Text
PageNumber: 1
WatermarkPosition: Default
WatermarkId: 658179cf-7b6e-472a-8b24-30f845dc2a9a
WatermarkType: Text
PageNumber: 2
WatermarkPosition: Default
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