/// <summary>
/// Convert string to ImageFormat
/// </summary>
/// <param name="format">Image format name</param>
/// <example>
/// <code>GetImageFormat("bmp")</code>
/// </example>
/// <returns>ImageFormat</returns>
private static ImageFormat GetImageFormat(string format)
{
ImageFormat imageFormat = null;
try
{
var imageFormatConverter = new ImageFormatConverter();
imageFormat = (ImageFormat)imageFormatConverter.ConvertFromString(format);
}
catch (Exception e)
{
throw new FormatException();
}
return imageFormat;
}
public void SetUp ()
{
imageFmt = ImageFormat.Bmp;
imageFmtStr = imageFmt.ToString ();
imgFmtConv = new ImageFormatConverter();
imgFmtConvFrmTD = (ImageFormatConverter) TypeDescriptor.GetConverter (imageFmt);
}
//http://www.dailycoding.com/posts/convert_image_to_base64_string_and_base64_string_to_image.aspx
public static string ConvertImageFileToEmbedded(string imageUrl)
{
string embeddedFormat = "data:{0};base64,{1}"; //contentType, base64 format
string contentTypeFormat = "image/{0}";
string contentType = "image/{0}";
string imageBase64 = String.Empty;
var converter = new ImageFormatConverter();
using (MemoryStream stream = new MemoryStream())
{
Image image = Image.FromFile(imageUrl);
image.Save(stream, image.RawFormat);
byte[] imageBytes = stream.ToArray();
imageBase64 = Convert.ToBase64String(imageBytes);
contentType = String.Format(contentTypeFormat, converter.ConvertToString(image.RawFormat).ToLower());
}
string convertedSrc = String.Format(embeddedFormat, contentType, imageBase64);
return convertedSrc;
}
public ProfileModule(PeopleContext people)
{
this.RequiresAuthentication();
_people = people;
Get["/profile"] = parameters =>
{
// call when user visit it's own profile
var identity = Context.CurrentUser as FloreamIdentity;
var user = _people.People.FirstOrDefault(p => p.AdUser == identity.UserName);
return View["profile", user];
};
Post["/profile/upload"] = parameters =>
{
var file = Request.Files.FirstOrDefault();
if (file == null)
{
return new Response().WithStatusCode(HttpStatusCode.BadRequest);
}
var identity = Context.CurrentUser as FloreamIdentity;
var imageType = file.ContentType.Split('/')[1];
var imageHeight = int.Parse(ConfigurationManager.AppSettings.Get("profile-image-height"));
var imageWidth = int.Parse(ConfigurationManager.AppSettings.Get("profile-image-width"));
var memStream = new MemoryStream();
var img = Image.FromStream(file.Value);
if (img.Height > imageHeight || img.Width > imageWidth)
{
// Resize the image
var bmp = ScaleImage(img, imageWidth, imageHeight);
// Save the resized image to a stream
var imageFormatConverter = new ImageFormatConverter();
var imageObj = imageFormatConverter.ConvertFromString(imageType);
if (imageObj != null)
{
bmp.Save(memStream, (ImageFormat) imageObj);
}
}
else
{
img.Save(memStream, img.RawFormat);
}
var array = memStream.ToArray();
// Update the user's profile
var user = _people.People.FirstOrDefault(p => p.AdUser == identity.UserName);
if (user != null)
{
user.PictureExtension = imageType;
user.Picture = array;
_people.SaveChanges();
}
return Response.AsText(HtmlHelper.GetProfileImage(array, imageType));
};
}
