ByteScout PDF Suite - ASP.NET - Extract Images from PDF with PDF Extractor SDK - ByteScout

ByteScout PDF Suite – ASP.NET – Extract Images from PDF with PDF Extractor SDK

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How to extract images from PDF with PDF extractor SDK in ASP.NET and ByteScout PDF Suite

Learn to code in ASP.NET to extract images from PDF with PDF extractor SDK with this step-by-step tutorial

This sample source code below will display you how to extract images from PDF with PDF extractor SDK in ASP.NET. ByteScout PDF Suite is the bundle that provides six different SDK libraries to work with PDF from generating rich PDF reports to extracting data from PDF documents and converting them to HTML. This bundle includes PDF (Generator) SDK, PDF Renderer SDK, PDF Extractor SDK, PDF to HTML SDK, PDF Viewer SDK and PDF Generator SDK for Javascript. It can extract images from PDF with PDF extractor SDK in ASP.NET.

These ASP.NET code samples for ASP.NET guide developers to speed up coding of the application when using ByteScout PDF Suite. Simply copy and paste in your ASP.NET project or application you and then run your app! Use of ByteScout PDF Suite in ASP.NET is also described in the documentation included along with the product.

If you want to try other source code samples then the free trial version of ByteScout PDF Suite is available for download from our website. Just try other source code samples for ASP.NET.

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Default.aspx
      
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ExtractImages._Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> </div> </form> </body> </html>

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Default.aspx.cs
      
using System; using System.Collections.Generic; using System.Drawing.Imaging; using System.IO; using Bytescout.PDFExtractor; namespace ExtractImages { /* IF YOU SEE TEMPORARY FOLDER ACCESS ERRORS: Temporary folder access is required for web application when you use ByteScout SDK in it. If you are getting errors related to the access to temporary folder like "Access to the path 'C:\Windows\TEMP\... is denied" then you need to add permission for this temporary folder to make ByteScout SDK working on that machine and IIS configuration because ByteScout SDK requires access to temp folder to cache some of its data for more efficient work. SOLUTION: If your IIS Application Pool has "Load User Profile" option enabled the IIS provides access to user's temp folder. Check user's temporary folder If you are running Web Application under an impersonated account or IIS_IUSRS group, IIS may redirect all requests into separate temp folder like "c:\temp\". In this case - check the User or User Group your web application is running under - then add permissions for this User or User Group to read and write into that temp folder (c:\temp or c:\windows\temp\ folder) - restart your web application and try again */ public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { String inputFile = Server.MapPath(@".\bin\sample1.pdf"); // Create Bytescout.PDFExtractor.ImageExtractor instance ImageExtractor extractor = new ImageExtractor(); extractor.RegistrationName = "demo"; extractor.RegistrationKey = "demo"; // Load sample PDF document extractor.LoadDocumentFromFile(inputFile); // Array to keep extracted images List<byte[]> extractedImages = new List<byte[]>(); // Initialize image enumeration if (extractor.GetFirstImage()) { do { // Extract image to memory using (MemoryStream memoryStream = new MemoryStream()) { extractor.SaveCurrentImageToStream(memoryStream, ImageFormat.Png); // Keep image as byte array extractedImages.Add(memoryStream.ToArray()); } } while (extractor.GetNextImage()); // Advance image enumeration } // Write first image to the output stream Response.Clear(); Response.ContentType = "image/png"; Response.AddHeader("Content-Disposition", "inline;filename=image.png"); Response.BinaryWrite(extractedImages[0]); Response.End(); } } }

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Default.aspx.designer.cs
      
//------------------------------------------------------------------------------ // <auto-generated> // This code was generated by a tool. // Runtime Version:2.0.50727.4952 // // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. // </auto-generated> //------------------------------------------------------------------------------ namespace ExtractAllImages { /// <summary> /// _Default class. /// </summary> /// <remarks> /// Auto-generated class. /// </remarks> public partial class _Default { /// <summary> /// form1 control. /// </summary> /// <remarks> /// Auto-generated field. /// To modify move field declaration from designer file to code-behind file. /// </remarks> protected global::System.Web.UI.HtmlControls.HtmlForm form1; } }

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Web.config
      
<?xml version="1.0"?> <configuration> <appSettings/> <connectionStrings/> <system.web> <!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. --> <compilation debug="true" /> <!-- The <authentication> section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --> <authentication mode="Windows" /> <!-- The <customErrors> section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"> <error statusCode="403" redirect="NoAccess.htm" /> <error statusCode="404" redirect="FileNotFound.htm" /> </customErrors> --> </system.web> </configuration>

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