// ===========================================================================
// ©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 System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Drawing;
using System.Text.RegularExpressions;
using WebSupergoo.ABCpdf14;
public partial class _Default : System.Web.UI.Page {
public string RandomMessage;
public string RandomColor;
public int ImageNumber;
protected void Page_Load(object sender, EventArgs e) {
Random rnd = new Random();
RandomMessage = rnd.Next(0, 999999999).ToString();
RandomColor = String.Format("#{0:X6}", rnd.Next(0x1000000));
Session["ImageNumber"] = Session["ImageNumber"] == null ? rnd.Next(1, 6) : ((int)Session["ImageNumber"] % 6) + 1;
}
protected void OnButtonClick(object sender, CommandEventArgs e) {
// put base tag into HTML to link in resources like images or style sheets
string html = Session["SavedHTML"].ToString();
if(Regex.Match(html, "<base\\s+href=\"(.*)\"(.*)>", RegexOptions.IgnoreCase).Success)
throw new Exception("This HTML already has a <base> tag");
string baseUrlTag = "<base href = \"" + Request.UrlReferrer.AbsoluteUri + "\">";
html = html.Replace("<head>", "<head>" + baseUrlTag);
// make the PDF
XSettings.InstallLicense(@"change me"); // NB use your own license or copy a trial one from PDFSettings (under the ABCpdf menu item)
byte[] pdfData = null;
using (Doc doc = new Doc()) {
doc.HtmlOptions.AddLinks = true;
doc.Rect.Inset(25, 25);
int id = doc.AddImageHtml(html);
while (doc.Chainable(id)) {
doc.Page = doc.AddPage();
id = doc.AddImageToChain(id);
}
for (int i = 1; i <= doc.PageCount; i++) {
doc.PageNumber = i;
doc.Flatten();
}
pdfData = doc.GetData();
}
// stream to browser
Response.Clear();
Response.ContentType = "application/pdf";
Response.AddHeader("content-disposition", "inline; filename=MyPDF.PDF");
Response.AddHeader("content-length", pdfData.Length.ToString());
Response.BinaryWrite(pdfData);
Response.End();
}
protected override void Render(HtmlTextWriter writer) {
// Capture the html of the page in a session variable on page load
TextWriter tw = new StringWriter();
HtmlTextWriter htw = new HtmlTextWriter(tw);
base.Render(htw);
string html = tw.ToString();
Session["SavedHTML"] = html;
writer.Write(html);
}
}
