Batch Watermarking

BatchWatermark.cs

// Get files from the Documents folder
DirectoryInfo dir = new DirectoryInfo(@"../../Documents/");
FileInfo[] files = dir.GetFiles();
// Iterate through the files
foreach (FileInfo file in files)
{
	// Load document
	using (Document doc = Document.Load(file.FullName))
	{
		// Initialize the font to be used for watermark
		Font font = new Font("Calibre", 50, FontStyle.Bold | FontStyle.Italic);
		// Create watermark
		TextWatermark watermark = new TextWatermark("Protected", font);
		// Set watermark properties
		watermark.ForegroundColor = Color.Red; 
    		watermark.Opacity = 0.5;
		watermark.TextAlignment = TextAlignment.Right;
		watermark.HorizontalAlignment = HorizontalAlignment.Center;
		watermark.VerticalAlignment = VerticalAlignment.Center;
		watermark.RotateAngle = -45;
		// Apply watermark
		doc.AddWatermark(watermark);
		// Save document
		doc.Save(Path.Combine("../../Output",file.Name));
	}
}

BatchWatermark.java

// Get files from the Documents folder
File folder = new File("./Documents/");
File[] files = folder.listFiles();
// Iterate through the files
for (int i = 0; i < files.length; i++) {
	if (files[i].isFile()) {
		Document doc = Document.load(files[i].getPath());
		// Create watermark
		Font font = new Font("Calibre", 50, FontStyle.Bold | FontStyle.Italic);
		TextWatermark watermark = new TextWatermark("Protected", font);
		// Set watermark properties
		watermark.setForegroundColor(Color.getRed());
		watermark.setTextAlignment(TextAlignment.Right);
		watermark.setOpacity(0.5);
		watermark.setHorizontalAlignment(HorizontalAlignment.Center);
		watermark.setVerticalAlignment(VerticalAlignment.Center);
		watermark.setRotateAngle(-45);
		// Apply watermark to the document
		doc.addWatermark(watermark);
		// Save document
		doc.save("./Output/" + files[i].getName());
 
		doc.close();
	}
}