// ===========================================================================
// ©2013-2026 WebSupergoo. All rights reserved.
//
// This source code is for use exclusively with the ABCpdf product with
// which it is distributed, under the terms of the license for that
// product\. Details can be found at
//
// http://www.websupergoo.com/
//
// This copyright notice must not be deleted and must be reproduced alongside
// any sections of code extracted from this module.
// ===========================================================================
using System;
using System.IO;
using WebSupergoo.ABCpdf14;
using WebSupergoo.ABCpdf14.Atoms;
using WebSupergoo.ABCpdf14.Objects;
namespace TaggedPDF {
/// <summary>
/// Startup class for calling tagged pdf tests
/// Tests include xml converter example and hardcoded tagged
/// pdf creation.
/// - Simple example shows how to generate tagged pdf files using ABCPdf
/// - Xml converter transforms simple html-like xml format to tagged pdf.
/// </summary>
class TaggedPDFApp {
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main(string[] args) {
string theBase = Directory.GetParent(Directory.GetCurrentDirectory()).Parent.FullName;
string srcDir = Path.Combine(theBase, "Input");
string dstDir = Path.Combine(theBase, "Output");
// simple example first
SimpleExample(srcDir, dstDir);
// then xml based example
string[] files = Directory.GetFiles(srcDir);
foreach (string file in files)
XmlExample(file, dstDir);
}
/// <summary>
/// Example of a simple dynamically created tagged pdf document.
/// </summary>
static public void SimpleExample(string srcDir, string dstDir) {
// Create new doc and tagged content for it
using var doc = new Doc();
//Add a container tag
doc.Tag.Open("Container");
//Add a paragraph of text
doc.Rect.Inset(40, 40);
doc.FontSize = 20;
doc.Tag.Open("P");
doc.AddText("Tagged PDF (PDF 1.4) is a stylized use of PDF that builds on the logical structure framework described in Section 10.6, “Logical Structure.” It defines a set of standard structure types and attributes that allow page content (text, graphics, andimages) to be extracted and reused for other purposes.");
doc.Tag.Close("P");
//Add image
doc.Rect.String = "300 100 300 100";
using var img = XImage.FromFile(Path.Combine(srcDir, @"images\aster1.jpg"), null);
doc.Rect.SetRect(100, 100, img.Width, img.Height);
var figure = doc.Tag.MakeTag("Image");
figure.Attributes = new DictAtom();
figure.Attributes["Alt"] = new StringAtom("A flower.");
doc.Tag.Open(figure);
doc.AddImageObject(img, true);
doc.Tag.Close(figure.Type);
//Add some rotated text marked with header tag (H1)
doc.Rect.String = doc.MediaBox.String;
doc.Rect.Magnify(0.5, 0.5);
doc.FontSize = 30;
doc.Transform.Rotate(45, doc.Pos.X, doc.Pos.Y);
doc.Tag.Open("H1");
doc.AddText("Gallia est omnis divisa in partes tres, quarum unam incolunt Belgae, aliam Aquitani, tertiam qui ipsorum lingua Celtae, nostra Galli appellantur.");
doc.Transform.Reset();
doc.Tag.Close("H1");
//Close container
doc.Tag.Close("Container");
// Dump tagged content and save pdf file
doc.Save(Path.Combine(dstDir, "Simple.pdf"));
var st = doc.Tag.GetStructure();
st.UpdateActualText(true, true, " ");
File.WriteAllText(Path.Combine(dstDir, "Simple.txt"), st.ExtractStructure().ToString());
}
/// <summary>
/// Example of a dynamically created tagged pdf document read from XML.
/// </summary>
static public void XmlExample(string inFile, string dstDir) {
string name = Path.GetFileNameWithoutExtension(inFile);
using var doc = XmlConverter.Create(inFile);
doc.Save(Path.Combine(dstDir, name + ".pdf"));
var st = doc.Tag.GetStructure();
st.UpdateActualText(true, true, " ");
File.WriteAllText(Path.Combine(dstDir, name + ".txt"), st.ExtractStructure().ToString());
}
}
}
