using System;
using System.Diagnostics;
using System.Drawing;
using System.Collections.Generic;
using Bytescout.Watermarking;
using Bytescout.Watermarking.Presets;

namespace Sample
{
class Program
{
static void Main(string[] args)
{
// Create Watermarker instance
Watermarker waterMarker = new Watermarker();

// Initialize library
waterMarker.InitLibrary("demo", "demo");

// Set input file name
string inputFilePath = "my_sample_image.jpg";
// Set output file title
string outputFilePath = "my_sample_output.jpg";

// Add image to apply watermarks to
waterMarker.AddInputFile(inputFilePath, outputFilePath);

// Create new watermark
TextAnnotation preset = new TextAnnotation();

// Set text with macros
// complete list of available macros please see in the SDK documentation
preset.Text = @"Date Time: {{LOCAL_DATE_LONG}} {{LOCAL_TIME}} "+
"\nFilename: {{FILENAME}}\n" +
"Manufacturer: {{EXIF_EQUIPMENT_MANUFACTURER}}\n" +
"Model: {{EXIF_EQUIPMENT_MODEL}}\n" +
"Software: {{EXIF_SOFTWARE_USED}}\n" +
"Date/Time: {{EXIF_ORIGINAL_DATE}}\n" +
"Exposure Time: {{EXIF_EXPOSURE_TIME}} sec\n" +
"Exposure Program: {{EXIF_EXPOSURE_PROGRAM}}\n" +
"Exposure Bias: {{EXIF_EXPOSURE_BIAS}} EV\n" +
"F Number: F {{EXIF_F_NUMBER}}\n" +
"ISO Speed Rating: ISO {{EXIF_ISO_SPEED}}\n" +
"Flash: {{EXIF_FLASH}}\n" +
"Focal Length: {{EXIF_FOCAL_LENGTH}} mm\n" +
"Metering Mode: {{EXIF_METERING_MODE}}";

// Set watermark font
preset.Font = new WatermarkFont("Tahoma", FontStyle.Regular, FontSizeType.Percents, 2); // set font size to 2% of the image size

waterMarker.OutputOptions.OutputDirectory = ".";
// Add watermark to watermarker
waterMarker.AddWatermark(preset);

// Apply watermarks
waterMarker.Execute();

// open generated image file in default image viewer installed in Windows
Process.Start(outputFilePath);
}
}
}

Download source code: watermarkingsdk_annotation_macros.zip (170 KB)

Full list of supported macros is available here