Advanced Conversion Options With Rotated Input - C#
PDF To XML sample in C# demonstrating ‘Advanced Conversion Options With Rotated Input’
Program.cs
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 = "*************************************";
// Source PDF file
const string SourceFile = @".\sample-rotated.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 XML file name
const string DestinationFile = @".\result.xml";
/*
Some of advanced options available through profiles:
(it can be single/double-quoted and contain comments.)
{
"profiles": [
{
"profile1": {
"SaveImages": "None", // Whether to extract images. Values: "None", "Embed".
"ImageFormat": "PNG", // Image format for extracted images. Values: "PNG", "JPEG", "GIF", "BMP".
"SaveVectors": false, // Whether to extract vector objects (vertical and horizontal lines). Values: true / false
"ExtractInvisibleText": true, // Invisible text extraction. Values: true / false
"ExtractShadowLikeText": true, // Shadow-like text extraction. Values: true / false
"LineGroupingMode": "None", // Values: "None", "GroupByRows", "GroupByColumns", "JoinOrphanedRows"
"ColumnDetectionMode": "ContentGroupsAndBorders", // Values: "ContentGroupsAndBorders", "ContentGroups", "Borders", "BorderedTables"
"Unwrap": false, // Unwrap grouped text in table cells. Values: true / false
"ShrinkMultipleSpaces": false, // Shrink multiple spaces in table cells that affect column detection. Values: true / false
"DetectNewColumnBySpacesRatio": 1, // Spacing ratio that affects column detection.
"CustomExtractionColumns": [ 0, 50, 150, 200, 250, 300 ], // Explicitly specify columns coordinates for table extraction.
"CheckPermissions": true, // Ignore document permissions. Values: true / false
}
}
]
}
*/
// Sample profile that sets advanced conversion options
// Advanced options are properties of XMLExtractor class from ByteScout PDF Extractor SDK used in the back-end:
// https://cdn.bytescout.com/help/BytescoutPDFExtractorSDK/html/87ce5fa6-3143-167d-abbd-bc7b5e160fe5.htm
/*
Valid RotationAngle values:
0 - no rotation
1 - 90 degrees
2 - 180 degrees
3 - 270 degrees
*/
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);
// 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE.
// * If you already have a direct file URL, skip to the step 3.
// Prepare URL for `Get Presigned URL` API call
string query = Uri.EscapeUriString(string.Format(
"https://api.pdf.co/v1/file/upload/get-presigned-url?contenttype=application/octet-stream&name={0}",
Path.GetFileName(SourceFile)));
try
{
// Execute request
string response = webClient.DownloadString(query);
// Parse JSON response
JObject json = JObject.Parse(response);
if (json["status"].ToString() != "error")
{
// Get URL to use for the file upload
string uploadUrl = json["presignedUrl"].ToString();
string uploadedFileUrl = json["url"].ToString();
// 2. UPLOAD THE FILE TO CLOUD.
webClient.Headers.Add("content-type", "application/octet-stream");
webClient.UploadFile(uploadUrl, "PUT", SourceFile); // You can use UploadData() instead if your file is byte[] or Stream
webClient.Headers.Remove("content-type");
// 3. CONVERT UPLOADED PDF FILE TO XML
// URL for `PDF To XML` API call
var url = "https://api.pdf.co/v1/pdf/convert/to/xml";
// Prepare requests params as JSON
Dictionary<string, object> parameters = new Dictionary<string, object>();
parameters.Add("name", Path.GetFileName(DestinationFile));
parameters.Add("password", Password);
parameters.Add("pages", Pages);
parameters.Add("url", uploadedFileUrl);
parameters.Add("profiles", Profiles);
// Convert dictionary of params to JSON
string jsonPayload = JsonConvert.SerializeObject(parameters);
// Execute POST request with JSON payload
response = webClient.UploadString(url, jsonPayload);
// Parse JSON response
json = JObject.Parse(response);
if (json["status"].ToString() != "error")
{
// Get URL of generated XML file
string resultFileUrl = json["url"].ToString();
// Download XML file
webClient.DownloadFile(resultFileUrl, DestinationFile);
Console.WriteLine("Generated XML file saved as \"{0}\" file.", DestinationFile);
}
else
{
Console.WriteLine(json["message"].ToString());
}
}
else
{
Console.WriteLine(json["message"].ToString());
}
}
catch (WebException e)
{
Console.WriteLine(e.ToString());
}
webClient.Dispose();
Console.WriteLine();
Console.WriteLine("Press any key...");
Console.ReadKey();
}
}
}
profile.json
{
"profiles": [
{
"profile1": {
"RotationAngle": 1
}
}
]
}
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