How to read texts from pdf document using Aspose.PDF

Reading texts from PDF document using Aspose.PDF:

#region "Description"

/*  

  * Texts from each slide of PDF document can be extracted using GetAllTextsFromPDF() method given in post  

 */

#endregion

#region "Methods"

Method Name: GetAllTextsFromPDF()

/// <summary>

/// Given Function takes input as PDF document file stream and returns created text list for per page in PDF

/// </summary>

/// <param name="SourceFileStream">PDF doc file stream</param>

/// <returns>List of text per slide </returns>

public static Dictionary<int, string> GetAllTextsFromPdf(Stream SourceFileStream)

        {

            //string filename = Path.GetFileNameWithoutExtension(SourceFilePath);           

            Dictionary<int, string> pageContent = new Dictionary<int, string>();

            //open document

            //Document pdfDocument = new Document("input.pdf");

            SourceFileStream.Position = 0;

            using (Document pdfDocument = new Document(SourceFileStream))

            {

                //create TextAbsorber object to find all instances of the input search phrase

                TextAbsorber absorber = new TextAbsorber();               

            

                //accept the absorber for a single page

                for (int mSlide = 1; mSlide <= pdfDocument.Pages.Count; mSlide++)

                {  

                    ////accept the absorber for a single page                    

                    absorber=new TextAbsorber();

                    pdfDocument.Pages[mSlide].Accept(absorber); 

                    //get the extracted text fragments                  

                    if (!pageContent.ContainsKey(mSlide-1))

                        pageContent.Add(mSlide - 1, string.Empty);

                    pageContent[mSlide - 1] =  absorber.Text;

                }

            }

            return pageContent;

        }

 }