Quick Start: Converting a PDF document to a set of JPEG files using the web service API

The following C# .NET example converts a PDF document called test.pdf to a set of JPEG files and stores them in the C:\imagetest directory.

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.IO ; 

namespace ConvertPDFWSApp

{

    class ConvertPDFtoImageTest

	{

		[STAThread]

		static void Main(string[] args)

		{

            try

            {

                // Create a ConvertPdfServiceService object

                ConvertPdfServiceService svc = new ConvertPdfServiceService();

                // Provide authentication credentials to the service

                svc.Credentials = new System.Net.NetworkCredential(

                    "administrator", 

                    "password"

                );

                // Create a BLOB that represents the input PDF file

                BLOB inDoc = new BLOB();

                // Get the input PDF document

                string inputFileName = "C:\\test.pdf";

                FileStream fs = new FileStream(inputFileName, FileMode.Open);

                // Get the length of the file stream and create a byte array 

                int len = (int)fs.Length;

                byte[] byteArray = new byte[len];

                // Populate the byte array with the contents of the file stream

                fs.Read(byteArray, 0, len);

                // Populate the BLOB object

                inDoc.binaryData = byteArray;

                // Set up the runtime options for the new JPEG files to be created

                ToImageOptionsSpec spec = new ToImageOptionsSpec();

                spec.imageConvertFormat = ImageConvertFormat.JPEG;

                spec.grayScaleCompression = "low";

                spec.colorCompression = "low";

                spec.format = "optimized";

                spec.rgbPolicy = "off";

                spec.cmykPolicy = "off";

                spec.colorSpace = "rgb";

                spec.resolution = "72";

                spec.monochrome = "none";

                spec.filter = "sub";

                spec.interlace = "adam7";

                spec.tileSize = 180;

                spec.grayScalePolicy = "off";

                // Send the conversion request to the ConvertPDF Service

                BLOB createdDocument = svc.toImage(inDoc, spec);

                // Unzip the newly created zip file to the target directory called \imagetest

                svc.unzipArchive(createdDocument, "C:\\imagetest");

                Console.WriteLine("The PDF file was converted to a set of JPEG documents.");

            }

            catch (Exception ee)

            {

                Console.WriteLine("An unexpected exception was encountered: " + ee.Message + "\n" + ee.StackTrace);

            }

        }

	}

}

 

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