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POGenerate image from url. Not working with aspx page?
 

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  1. POGenerate image from url. Not working with aspx page?
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    <p>I'm trying to produce a report using c#. First part of the report gets a visual image of a lot (using Mapguide) and places it in a PDF This part works fine.</p> <p>Next part requires converting a dynamic web page to an image to be inserted into the PDF. The problem is I have no control over how the webpage is created it seems to be produced as part of a webservice or an ASPX page (<a href="http://nautilus/maint_responsibility/rpt_summary.aspx?lease_code=TL01306" rel="nofollow noreferrer">http://nautilus/maint_responsibility/rpt_summary.aspx?lease_code=TL01306</a>)</p> <p>The application hangs while trying to produce an image from the above url :( This is the class im using</p> <pre><code>using System.Drawing; using System.Drawing.Imaging; using System.IO; using System.Threading; using System.Windows.Forms; public class WebsiteToImage { private Bitmap m_Bitmap; private string m_Url; private string m_FileName = string.Empty; public WebsiteToImage(string url) { // Without file m_Url = url; } public WebsiteToImage(string url, string fileName) { // With file m_Url = url; m_FileName = fileName; } public Bitmap Generate() { // Thread var m_thread = new Thread(_Generate); m_thread.SetApartmentState(ApartmentState.STA); m_thread.Start(); m_thread.Join(); return m_Bitmap; } private void _Generate() { var browser = new WebBrowser { ScrollBarsEnabled = false }; browser.Navigate(m_Url); browser.DocumentCompleted += WebBrowser_DocumentCompleted; while (browser.ReadyState != WebBrowserReadyState.Complete) { Application.DoEvents(); } browser.Dispose(); } private void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e) { // Capture var browser = (WebBrowser)sender; browser.ClientSize = new Size(browser.Document.Body.ScrollRectangle.Width, browser.Document.Body.ScrollRectangle.Bottom); browser.ScrollBarsEnabled = false; m_Bitmap = new Bitmap(browser.Document.Body.ScrollRectangle.Width, browser.Document.Body.ScrollRectangle.Bottom); browser.BringToFront(); browser.DrawToBitmap(m_Bitmap, browser.Bounds); // Save as file? if (m_FileName.Length &gt; 0) { // Save m_Bitmap.SaveJPG100(m_FileName); } } } public static class BitmapExtensions { public static void SaveJPG100(this Bitmap bmp, string filename) { var encoderParameters = new EncoderParameters(1); encoderParameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L); bmp.Save(filename, GetEncoder(ImageFormat.Jpeg), encoderParameters); } public static void SaveJPG100(this Bitmap bmp, Stream stream) { var encoderParameters = new EncoderParameters(1); encoderParameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L); bmp.Save(stream, GetEncoder(ImageFormat.Jpeg), encoderParameters); } public static ImageCodecInfo GetEncoder(ImageFormat format) { var codecs = ImageCodecInfo.GetImageDecoders(); foreach (var codec in codecs) { if (codec.FormatID == format.Guid) { return codec; } } // Return return null; } } </code></pre> <p>This is the part that generates the image.</p> <pre><code>WebsiteToImage w = new WebsiteToImage("http://nautilus/maint_responsibility/rpt_summary.aspx?lease_code=TL01306"); MemoryStream myMemoryStream = new MemoryStream(); w.Generate().Save(myMemoryStream, System.Drawing.Imaging.ImageFormat.Jpeg); </code></pre> <p>If its changed to <a href="http://www.google.com.au" rel="nofollow noreferrer">http://www.google.com.au</a> or another application in house it works .... realy struggling to figure this out</p>
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    1. USJamo
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    1. COWhat line is it hanging on? What happens if you just try to load the page in a WebBrowser control? Does it hang there too?
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      1. POGenerate image from url. Not working with aspx page?
      1. USJason
    2. COThe url you have provided ( http://www.nautilus.com/maint_responsibility/rpt_summary.aspx?lease_code=TL01306 ) gives a 404 Not Found error. Is that a possible reason?
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      1. POGenerate image from url. Not working with aspx page?
      1. USChandam
    3. CO-Jason When loading directly into a WebBrowser control the url hangs. -Chandam Sorry the url is an internal intranet site. More info : It seems the site requires windows authentification? I don't see an option to assign authentification from existing session?
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      1. USJamo
 

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