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2011-03-13T02:59:09.650
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<p>I found a 3rd party open-source Flash + JavaScript library that made this fairly simple called '<a href="http://code.google.com/p/jpegcam/" rel="nofollow" title="jpegcam">jpegcam</a>'. </p> <p>The following code is built against <code>Asp.Net MVC 3 (Razor View + T4MVC)</code>.</p> <hr> <p><strong>Step 1</strong>: Include the javascript library</p> <pre><code><script type="text/javascript" src="@Url.Content("~/Scripts/jpegcam/htdocs/images.js")"></script> </code></pre> <p><strong>Step 2</strong>: Setup jpegcam and wire up the necessary hooks</p> <pre><code><script type="text/javascript"> webcam.set_api_url('@Url.Action(MVC.Images.Snapshot())'); webcam.set_swf_url('@Url.Content("~/Scripts/jpegcam/htdocs/webcam.swf")'); webcam.set_quality(90); // JPEG quality (1-100) webcam.set_shutter_sound(false, '@Url.Content("~/Scripts/jpegcam/htdocs/shutter.mp3")'); webcam.set_hook('onComplete', 'upload_complete'); document.write(webcam.get_html(320, 240)); function upload() { webcam.freeze(); // Snapshot the image from the camera webcam.upload(); // POST the data w/ content type 'image/jpeg' } function upload_complete(response) { var json = jsonParse(response); if (json.Redirect) { window.location.replace(json.Redirect); } else if (json.Error) { Notifier.Error('Error', json.Error.Message); webcam.reset(); } else { Notifier.Error('Error', 'An unknown error has occurred.'); webcam.reset(); } } </script> </code></pre> <p>Note: The <code>webcam.set_api_url()</code> call sets up the POST url.</p> <p><strong>Step 3</strong>: Wire up the buttons in the view</p> <pre><code><p class="actions"> <input id="capture-configure" class="secondary-button" type="button" value="Configure..." onclick="webcam.configure()" /> <input id="capture-submit" class="primary-button" type="button" value="Snap Mugshot" onclick="upload()" /> <span class="alternate"> or <a class="cancel" href="@Url.Action(MVC.Images.View())">Cancel</a> </span> </p> </code></pre> <p><strong>Step 4</strong>: Create the controller action to service the POST</p> <pre><code>[HttpPost] public virtual ActionResult Snapshot() { var image = new System.Web.Helpers.WebImage(Request.InputStream); // Do fun, amazing things with the jpeg image return RedirectToAction(MVC.Images.View()); } </code></pre> <p>Note: <code>System.Web.Helpers.WebImage</code> is part of the 'microsoft-web-helpers' NuGet package.</p>
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1. POHow do you capture a camera image from a website in the .Net world?
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1. USJD Courtoy
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1. POHow do you capture a camera image from a website in the .Net world?
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1. COThanks JD! I used your sample code for my WebForms. I used: `byte[] data = context.Request.BinaryRead(context.Request.TotalBytes); File.WriteAllBytes(context.Server.MapPath("~/img/Webcam" + DateTime.Now.Ticks.ToString() + ".jpg"), data);` This saves you the 'trouble' of importing microsoft-web-helpers
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