Add Text Watermark to Images (JPG , PNG) using C# and Java

AddTextWatermarkToJPG.cs

// Add Text Watermark to JPG using C#
using (Watermarker watermarker = new Watermarker("filePath/image.jpg"))
{
    // Set the Text and Watermark Font
    Font font = new Font("Arial", 30, FontStyle.Bold | FontStyle.Italic);
    TextWatermark watermark = new TextWatermark("GroupDocs", font);

    // Set Watermark Properties
    watermark.ForegroundColor = Color.Black;
    watermark.TextAlignment = TextAlignment.Right;
    watermark.X = 70;
    watermark.Y = 70;
    watermark.RotateAngle = -30;
    watermark.Opacity = 0.4;
    // watermark.BackgroundColor = Color.Blue;

    // Add the configured watermark to JPG Image
    watermarker.Add(watermark);
    watermarker.Save("filePath/outputImage.jpg");
}

AddTextWatermarkToJPG.java

// Add Text Watermark to JPG using Java
TextWatermark watermark = new TextWatermark("GroupDocs", new Font("Arial", 30, FontStyle.Bold | FontStyle.Italic));

// Set Watermark properties
watermark.setForegroundColor(Color.getRed());
watermark.setTextAlignment(TextAlignment.Right);
watermark.setOpacity(0.4);
watermark.setX(70);
watermark.setY(130);

// Add Watermark to the source JPG Image
Watermarker watermarker = new Watermarker(Constants.JPG_GD);
watermarker.add(watermark);
watermarker.save(Constants.JPG_OUT);
watermarker.close();

AddTextWatermarkToPNG.java

// Add Text Watermark to PNG using Java
TextWatermark watermark = new TextWatermark("GroupDocs", new Font("Arial", 30, FontStyle.Bold | FontStyle.Italic));

// Set Watermark properties
watermark.setForegroundColor(Color.getBlack());
watermark.setTextAlignment(TextAlignment.Right);
watermark.setRotateAngle(-30);
watermark.setOpacity(0.4);
watermark.setX(70);
watermark.setY(70);

// Add Watermark to the source PNG Image
Watermarker watermarker = new Watermarker(Constants.PNG_GD);
watermarker.add(watermark);
watermarker.save(Constants.OUTPUT_PNG_PATH);
watermarker.close();