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Advanced Conversion Options | C#
Program.cs:
C#
using System; using System.Collections.Generic; using System.IO; using System.Net; using Newtonsoft.Json; using Newtonsoft.Json.Linq; namespace ByteScoutWebApiExample { class Program { // The authentication key (API Key). // Get your own by registering at https://app.pdf.co const String API_KEY = "***********************************"; // Direct URL of source file (image or PDF) to search barcodes in. // You can also upload your own file into PDF.co and use it as url. Check "Upload File" samples for code snippets: https://github.com/bytescout/pdf-co-api-samples/tree/master/File%20Upload/ const string SourceFileURL = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/barcode-reader/sample.pdf"; // Comma-separated list of barcode types to decode. // See the documentation: https://apidocs.pdf.co/?#barcode-reader const string BarcodeTypes = "Code39,Code128,Interleaved2of5,EAN13"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const string Pages = ""; /* Some of advanced options available through profiles: (JSON can be single/double-quoted and contain comments.) { "profiles": [ { "profile1": { "ScanArea": "WholePage", // Values: "TopLeftQuarter", "TopRightQuarter", "BottomRightQuarter", "BottomLeftQuarter", "TopHalf", "BottomHalf", "WholePage". "RequireQuietZones": true, // Whether the quite zone is obligatory for 1D barcodes. Values: true / false "MaxNumberOfBarcodesPerPage": 0, // 0 - unlimited. "MaxNumberOfBarcodesPerDocument": 0, // 0 - unlimited. "ScanStep": 1, // Scan interval for linear (1-dimensional) barcodes. "MinimalDataLength": 0, // Minimal acceptable length of decoded data. "FastMode": true // Faster decoding mode for good quality documents } } ] } */ // Sample profile that sets advanced conversion options // Advanced options are properties of Reader class from Bytescout BarCodeReader used in the back-end: // https://cdn.bytescout.com/help/BytescoutBarCodeReaderSDK/html/T_Bytescout_BarCodeReader_Reader.htm static string Profiles = File.ReadAllText(@".\profile.json"); static void Main(string[] args) { // Create standard .NET web client instance WebClient webClient = new WebClient(); // Set API Key webClient.Headers.Add("x-api-key", API_KEY); // Prepare requests params as JSON // See documentation: https://apidocs.pdf.co/?#barcode-reader Dictionary<string, string> parameters = new Dictionary<string, string>(); parameters.Add("pages", Pages); parameters.Add("url", SourceFileURL); parameters.Add("type", BarcodeTypes); parameters.Add("profiles", Profiles); // Convert dictionary of params to JSON string jsonPayload = JsonConvert.SerializeObject(parameters); try { // URL of "Barcode Reader" endpoint string url = "https://api.pdf.co/v1/barcode/read/from/url"; // Execute POST request with JSON payload string response = webClient.UploadString(url, jsonPayload); // Parse JSON response JObject json = JObject.Parse(response); if (json["error"].ToObject<bool>() == false) { // Display found barcodes in console foreach (JToken token in json["barcodes"]) { Console.WriteLine("Found barcode:"); Console.WriteLine(" Type: " + token["TypeName"]); Console.WriteLine(" Value: " + token["Value"]); Console.WriteLine(" Document Page Index: " + token["Page"]); Console.WriteLine(" Rectangle: " + token["Rect"]); Console.WriteLine(" Confidence: " + token["Confidence"]); Console.WriteLine(); } } else { // Display service reported error Console.WriteLine(json["message"].ToString()); } } catch (WebException e) { // Display request error Console.WriteLine(e.ToString()); } finally { webClient.Dispose(); } Console.WriteLine(); Console.WriteLine("Press any key..."); Console.ReadKey(); } } }