Add Watermark to Word Documents using a REST API in C#

AddWatermarkDOCX_CSharp

Add Watermark to Word Documents using a REST API in C#
1. Add Text Watermark to Word Documents using a REST API in C#
2. Add Image Watermark to Word Documents using a REST API in C#

AddWatermarkDOCX_CSharp_AddImageWatermark.cs

// initialize api
var apiInstance = new WatermarkApi(configuration);

// input file path
var fileInfo = new FileInfo
{
    FilePath = "sample.docx"
};

// create watermark options
var options = new WatermarkOptions()
{
    FileInfo = fileInfo,
    // define watermark details
    WatermarkDetails = new List<WatermarkDetails>
    {
        new WatermarkDetails
        {
            // define image watermark
            ImageWatermarkOptions = new ImageWatermarkOptions()
            {
                Image = new FileInfo { 
                    FilePath = "logo.png" 
                }
            },

            // set watermark position
            Position = new Position()
            {
                X = 180.0,
                Y = 280.0
            }
        }
    }
};

// create add request
var request = new AddRequest(options);

// add watermark
var response = apiInstance.Add(request);

Console.WriteLine("Resultant file path: " + response.DownloadUrl);

AddWatermarkDOCX_CSharp_AddTextWatermark.cs

// initialize api
var apiInstance = new WatermarkApi(configuration);

// input file path
var fileInfo = new FileInfo
{
    FilePath = "sample.docx"
};

// create watermark options
var options = new WatermarkOptions()
{
    FileInfo = fileInfo,
    
    // define watermark details
    WatermarkDetails = new List<WatermarkDetails>
    {
        new WatermarkDetails
        {
            // define text watermark
            TextWatermarkOptions = new TextWatermarkOptions
            {
                Text = "Copyright© 2021",
                FontFamilyName = "Arial",
                FontSize = 22d,
                TextAlignment = "Center",
                ForegroundColor = new Color()
                {
                    Name = "Red"
                }
            },

            // set watermark position
            Position = new Position()
            {
                X = 230.0,
                Y = 500.0
            }
        }
    }
};

// create add request
var request = new AddRequest(options);

// add watermark
var response = apiInstance.Add(request);

Console.WriteLine("Resultant file path: " + response.DownloadUrl);

AddWatermarkDOCX_CSharp_Configurations.cs

string clientId = "da0c487d-c1c0-45ae-b7bf-43eaf53c5ad5";
string clientSecret = "479db2b01dcb93a3d4d20efb16dea971";
string myStorage = "";

var configuration = new Configuration(clientId, clientSecret);
configuration.ApiBaseUrl = "https://api.groupdocs.cloud";

AddWatermarkDOCX_CSharp_Download.cs

// initialize api
var fileApi = new FileApi(configuration);

// defaul file path on the cloud
var file = "watermark/added_watermark/sample_docx/sample.docx";

// create download file request
var downloadRequest = new DownloadFileRequest(file, myStorage);

// download file
Stream downloadResponse = fileApi.DownloadFile(downloadRequest);

// save file in working directory
using (var fileStream = System.IO.File.Create("C:\\Files\\DownloadedFile.docx"))
{
    downloadResponse.Seek(0, SeekOrigin.Begin);
    downloadResponse.CopyTo(fileStream);
}

AddWatermarkDOCX_CSharp_Upload.cs

// initialize api
var fileApi = new FileApi(configuration);

// open file
var fileStream = File.Open(@"C:\Files\sample.docx", FileMode.Open);

// create file upload request
var request = new UploadFileRequest("sample.docx", fileStream, MyStorage);

// upload file
fileApi.UploadFile(request);
fileStream.Close();