ByteScout PDF Suite – C# – Extract Images by Page from PDF with PDF Extractor SDK

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ByteScout PDF Suite – C# – Extract Images by Page from PDF with PDF Extractor SDK

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ByteScout-PDF-Suite-C-sharp-Extract-Images-by-Page-from-PDF-with-PDF-Extractor-SDK.pdf

How to extract images by page from PDF with PDF extractor SDK in C# using ByteScout PDF Suite

Continuous learning is a crucial part of computer science and this tutorial shows how to extract images by page from PDF with PDF extractor SDK in C#

These source code samples are assembled by their programming language and functions they apply. ByteScout PDF Suite is the set that includes 6 SDK products 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 by page from PDF with PDF extractor SDK in C#.

These C# code samples for C# guide developers to speed up coding of the application when using ByteScout PDF Suite. 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. Use of ByteScout PDF Suite in C# is also described in the documentation included along with the product.

All these programming tutorials along with source code samples and ByteScout free trial version are available for download from our website.

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Program.cs

      using System;
using System.Drawing.Imaging;
using Bytescout.PDFExtractor;
using System.Diagnostics;

namespace ExtractImagesByPages
{
    class Program
    {
        static void Main(string[] args)
        {
            // Create Bytescout.PDFExtractor.ImageExtractor instance
            ImageExtractor extractor = new ImageExtractor();
            extractor.RegistrationName = "demo";
            extractor.RegistrationKey = "demo";

            // Load sample PDF document
            extractor.LoadDocumentFromFile(@".\sample1.pdf");

            // Get count of pages
            int pageCount = extractor.GetPageCount();

            // Extract images from each page
            for (int i = 0; i < pageCount; i++)
            {
                int j = 0;
                
                // Initialize page images enumeration
                if (extractor.GetFirstPageImage(i))
                {
                    do
                    {
                        string outputFileName = "page" + i + "image" + j + ".png";

                        // Save image to file
                        extractor.SaveCurrentImageToFile(outputFileName, ImageFormat.Png);

                        j++;

                    } while (extractor.GetNextImage()); // Advance image enumeration
                }
            }

            // Cleanup
            extractor.Dispose();
            
            // Open first output file in default associated application
            ProcessStartInfo processStartInfo = new ProcessStartInfo("page0image0.png");
            processStartInfo.UseShellExecute = true;
            Process.Start(processStartInfo);
        }
    }
}