ByteScout Cloud API Server - Add Text And Images To PDF - C# - Add Text by finding target coordinates - ByteScout

ByteScout Cloud API Server – Add Text And Images To PDF – C# – Add Text by finding target coordinates

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How to add text and images to PDF in C# and ByteScout Cloud API Server

Continuous learning is a crucial part of computer science and this tutorial shows how to add text and images to PDF in C#

The code displayed below will guide you to install an C# app to add text and images to PDF. ByteScout Cloud API Server is API server that is ready to use and can be installed and deployed in less than 30 minutes on your own Windows server or server in a cloud. It can save data and files on your local server-based file storage or in Amazon AWS S3 storage. Data is processed solely on the API server and is powered by ByteScout engine, no cloud services or Internet connection is required for data processing.. It can be applied to add text and images to PDF using C#.

The SDK samples given below describe how to quickly make your application do add text and images to PDF in C# with the help of ByteScout Cloud API Server. IF you want to implement the functionality, just copy and paste this code for C# below into your code editor with your app, compile and run your application. Enjoy writing a code with ready-to-use sample C# codes.

Trial version of ByteScout Cloud API Server is available for free. Source code samples are included to help you with your C# app.

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Program.cs
      
using System; using System.IO; using System.Net; using Newtonsoft.Json.Linq; namespace ByteScoutWebApiExample { // Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost". // If it's not then please replace this with with your hosting url. class Program { // Direct URL of source PDF file. const string SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-edit/sample.pdf"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const string Pages = ""; // PDF document password. Leave empty for unprotected documents. const string Password = ""; // Destination PDF file name const string DestinationFile = @".\result.pdf"; // Annotation params private const string Type = "annotation"; private const string Text = "Some notes will go here... Some notes will go here.... Some notes will go here....."; private const string FontName = "Times New Roman"; private const float FontSize = 12; private const string Color = "FF0000"; static void Main(string[] args) { // Create standard .NET web client instance WebClient webClient = new WebClient(); // * Add text annotation * // Find Text coordinates to add Annotation var oCoordinates = FindCoordinates(SourceFileUrl, "Notes"); var X = oCoordinates.x; var Y = oCoordinates.y + 25; // Prepare URL for `PDF Edit` API call string query = Uri.EscapeUriString(string.Format( "https://localhost/pdf/edit/add?name={0}&password={1}&pages={2}&url={3}&type={4}&x={5}&y={6}&text={7}&fontname={8}&size={9}&color={10}", Path.GetFileName(DestinationFile), Password, Pages, SourceFileUrl, Type, X, Y, Text, FontName, FontSize, Color)); try { // Execute request string response = webClient.DownloadString(query); // Parse JSON response JObject json = JObject.Parse(response); if (json["error"].ToObject<bool>() == false) { // Get URL of generated PDF file string resultFileUrl = json["url"].ToString(); // Download PDF file webClient.DownloadFile(resultFileUrl, DestinationFile); Console.WriteLine("Generated PDF file saved as \"{0}\" file.", DestinationFile); } else { Console.WriteLine(json["message"].ToString()); } } catch (WebException e) { Console.WriteLine(e.ToString()); } webClient.Dispose(); Console.WriteLine(); Console.WriteLine("Press any key..."); Console.ReadKey(); } /// <summary> /// Find result coordinates /// </summary> public static ResultCoOrdinates FindCoordinates(stringSourceFileUrl, string SearchString) { ResultCoOrdinates oResult = null; // Create standard .NET web client instance WebClient webClient = new WebClient(); // Prepare URL for PDF text search API call. string query = Uri.EscapeUriString(string.Format( "https://localhost/pdf/find?url={0}&searchString={1}", SourceFileUrl, SearchString)); try { // Execute request string response = webClient.DownloadString(query); // Parse JSON response JObject json = JObject.Parse(response); if (json["status"].ToString() != "error") { JToken item = json["body"][0]; oResult = new ResultCoOrdinates { x = Convert.ToInt32(item["left"]), y = Convert.ToInt32(item["top"]), width = Convert.ToInt32(item["width"]), height = Convert.ToInt32(item["height"]) }; } } catch (WebException e) { Console.WriteLine(e.ToString()); } webClient.Dispose(); return oResult; } } public class ResultCoOrdinates { public int x { get; set; } public int y { get; set; } public int width { get; set; } public int height { get; set; } } }

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packages.config
      
<?xml version="1.0" encoding="utf-8"?> <packages> <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net40" /> </packages>

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Cloud API Server Home Page

Explore ByteScout Cloud API Server Documentation

Explore Samples

Sign Up for ByteScout Cloud API Server Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

VIDEO

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Cloud API Server Home Page

Explore ByteScout Cloud API Server Documentation

Explore Samples

Sign Up for ByteScout Cloud API Server Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

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