1: /*

   2: Copyright (c) 2010 <a href="http://www.gutgames.com">James Craig</a>

   3: 

   4: Permission is hereby granted, free of charge, to any person obtaining a copy

   5: of this software and associated documentation files (the "Software"), to deal

   6: in the Software without restriction, including without limitation the rights

   7: to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

   8: copies of the Software, and to permit persons to whom the Software is

   9: furnished to do so, subject to the following conditions:

  10: 

  11: The above copyright notice and this permission notice shall be included in

  12: all copies or substantial portions of the Software.

  13: 

  14: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  15: IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  16: FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  17: AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  18: LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  19: OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

  20: THE SOFTWARE.*/

  21:  

  22: #region Usings

  23: using System;

  24: using System.Drawing;

  25: using System.Drawing.Imaging;

  26: using System.Threading;

  27: using System.Windows.Forms;

  28: #endregion

  29:  

  30: namespace Utilities.Web.WebPageThumbnail

  31: {

  32:     /// <summary>

  33:     /// Class for taking a screen shot of a web page

  34:     /// </summary>

  35:     public class WebPageThumbnail

  36:     {

  37:         #region Constructor

  38:         /// <summary>

  39:         /// Constructor

  40:         /// </summary>

  41:         public WebPageThumbnail()

  42:         {

  43:         }

  44:         #endregion

  45:  

  46:         #region Private Variables

  47:         private string FileName;

  48:         private string Url;

  49:         private int Width;

  50:         private int Height;

  51:         #endregion

  52:  

  53:         #region Public Functions

  54:  

  55:         /// <summary>

  56:         /// Generates a screen shot of a web site

  57:         /// </summary>

  58:         /// <param name="FileName">File name to save as</param>

  59:         /// <param name="Url">Url to take the screen shot of</param>

  60:         /// <param name="Width">Width of the image (-1 for full size)</param>

  61:         /// <param name="Height">Height of the image (-1 for full size)</param>

  62:         public void GenerateBitmap(string FileName, string Url, int Width, int Height)

  63:         {

  64:             this.Url = Url;

  65:             this.FileName = FileName;

  66:             this.Width = Width;

  67:             this.Height = Height;

  68:             Thread TempThread = new Thread(new ThreadStart(CreateBrowser));

  69:             TempThread.SetApartmentState(ApartmentState.STA);

  70:             TempThread.Start();

  71:             TempThread.Join();

  72:         }

  73:  

  74:         #endregion

  75:  

  76:         #region Private Functions

  77:  

  78:         /// <summary>

  79:         /// Creates the browser

  80:         /// </summary>

  81:         private void CreateBrowser()

  82:         {

  83:             using (WebBrowser Browser = new WebBrowser())

  84:             {

  85:                 Browser.ScrollBarsEnabled = false;

  86:                 DateTime TimeoutStart = DateTime.Now;

  87:                 TimeSpan Timeout = new TimeSpan(0, 0, 10);

  88:                 Browser.Navigate(Url);

  89:                 Browser.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(Browser_DocumentCompleted);

  90:                 while (Browser.ReadyState != WebBrowserReadyState.Complete)

  91:                 {

  92:                     if (DateTime.Now - TimeoutStart > Timeout)

  93:                         break;

  94:                     Application.DoEvents();

  95:                 }

  96:             }

  97:         }

  98:  

  99:         /// <summary>

 100:         /// Called when the browser is completed

 101:         /// </summary>

 102:         /// <param name="sender"></param>

 103:         /// <param name="e"></param>

 104:         void Browser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)

 105:         {

 106:             WebBrowser Browser = (WebBrowser)sender;

 107:             Browser.ScriptErrorsSuppressed = true;

 108:             Browser.ScrollBarsEnabled = false;

 109:             if (Width == -1)

 110:             {

 111:                 Browser.Width = Browser.Document.Body.ScrollRectangle.Width;

 112:             }

 113:             else

 114:             {

 115:                 Browser.Width = Width;

 116:             }

 117:             if (Height == -1)

 118:             {

 119:                 Browser.Height = Browser.Document.Body.ScrollRectangle.Height;

 120:             }

 121:             else

 122:             {

 123:                 Browser.Height = Height;

 124:             }

 125:             using (Bitmap Image = new Bitmap(Browser.Width, Browser.Height))

 126:             {

 127:                 Browser.BringToFront();

 128:                 Browser.DrawToBitmap(Image, new Rectangle(0, 0, Browser.Width, Browser.Height));

 129:                 Image.Save(FileName, ImageFormat.Bmp);

 130:             }

 131:         }

 132:  

 133:         #endregion

 134:     }

 135: }