file-formats-aspnet-ej1-demos/Pdf/ImportAndStamp.aspx.cs

87 строки
2.7 KiB
C#

#region Copyright Syncfusion Inc. 2001-2022.
// Copyright Syncfusion Inc. 2001-2022. All rights reserved.
// Use of this code is subject to the terms of our license.
// A copy of the current license can be obtained at any time by e-mailing
// licensing@syncfusion.com. Any infringement will be prosecuted under
// applicable laws.
#endregion
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;
using System.Drawing.Imaging;
using Syncfusion.Pdf;
using Syncfusion.Pdf.Graphics;
using Syncfusion.Pdf.Tables;
using System.Data.OleDb;
using Syncfusion.Pdf.Parsing;
using System.IO;
namespace WebSampleBrowser.Pdf
{
public partial class ImportAndStamp : System.Web.UI.Page
{
# region Page Load
/// <summary>
/// Handles page load
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
}
# endregion
# region Events
/// <summary>
/// Imports and creates a PDF document
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnImport_Click(object sender, EventArgs e)
{
string dataPath1 = File1.ResolveClientUrl(File1.Value);
if (System.IO.Path.GetExtension(dataPath1).Equals(".pdf"))
{
Stream stream1 = File1.PostedFile.InputStream;
PdfLoadedDocument ldoc = new PdfLoadedDocument(stream1);
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 36f);
foreach (PdfPageBase lPage in ldoc.Pages)
{
PdfGraphics g = lPage.Graphics;
PdfGraphicsState state = g.Save();
g.SetTransparency(0.25f);
g.RotateTransform(-40);
g.DrawString(txtStamp.Text, font, PdfPens.Red, PdfBrushes.Red, new PointF(-150, 450));
g.Restore(state);
}
//Save to disk
if (this.CheckBox1.Checked)
{
ldoc.Save("Sample.pdf", Response, HttpReadType.Open);
}
else
{
ldoc.Save("Sample.pdf", Response, HttpReadType.Save);
}
}
else
{
lb_error.Visible = true;
lb_error.Text = "Invalid file type. Please select a PDF file.";
}
}
# endregion
}
}