DeleteText.cs
- //
- // This code is part of Document Solutions for PDF demos.
- // Copyright (c) MESCIUS inc. All rights reserved.
- //
- using System;
- using System.IO;
- using System.Drawing;
- using System.Text;
- using GrapeCity.Documents.Pdf;
- using GrapeCity.Documents.Text;
- using GrapeCity.Documents.Pdf.AcroForms;
-
- namespace DsPdfWeb.Demos
- {
- // This example shows how to find and delete all occurrences of a text string in a PDF.
- public class DeleteText
- {
- public int CreatePDF(Stream stream)
- {
- var doc = new GcPdfDocument();
- using var fs = File.OpenRead(Path.Combine("Resources", "PDFs", "TimeSheet.pdf"));
- doc.Load(fs);
-
- // Delete dates and times using regex pattern:
- var ftps = new FindTextParams(@"\d+/\d+/\d+|\d+:\d+| am| pm", false, false, 72, 72, false, true);
- doc.DeleteText(ftps, GrapeCity.Documents.Pdf.TextMap.DeleteTextMode.PreserveSpace);
-
- // For reference, append the original PDF:
- Common.Util.AddNote("For reference, the following page contains a copy of the original unmodified PDF.", doc.NewPage());
- var docOrig = new GcPdfDocument();
- docOrig.Load(fs);
- doc.MergeWithDocument(docOrig);
-
- // Done:
- doc.Save(stream);
- return doc.Pages.Count;
- }
- }
- }
-