/// <summary>
/// Sets the previously uploaded 'editable avatar' image as the
/// current user avatar, cropped with the given values and
/// optimized sizes.
/// </summary>
/// <param name="virtualPath"></param>
public static void SaveProfilePicture(int userID, int x, int y, int width, int height)
{
string virtualPath = LcUrl.RenderAppPath + GetUserPhotoFolder(userID);
var folder = System.Web.HttpContext.Current.Server.MapPath(virtualPath);
// Remove previous cropped/sized/adapted photos (except editable one), all start with avatarNamePrefix
// File.Delete doesn't allow wildcards, find and delete each one
foreach (var f in Directory.GetFiles(folder, avatarNamePrefix + "*", SearchOption.TopDirectoryOnly))
{
File.Delete(f);
}
// Create optimized files
using (var img = System.Drawing.Image.FromFile(folder + avatarName + ".jpg"))
{
// Crop
var cropImg = LcImaging.Crop(img, x, y, width, height);
img.Dispose();
// Size prefix
var sizeName = profilePictureFixedSizeWidth.ToString() + "x" + profilePictureFixedSizeHeight.ToString();
// Save image with profile size and original color
using (var modImg = LcImaging.Resize(cropImg, profilePictureFixedSizeWidth, profilePictureFixedSizeHeight, LcImaging.SizeMode.Cover, LcImaging.AnchorPosition.Center))
{
modImg.Save(folder + avatarNamePrefix + sizeName + ".jpg");
}
// Save image with profile size and grayscale (-gray)
using (var modImg = LcImaging.Grayscale(LcImaging.Resize(cropImg, profilePictureFixedSizeWidth, profilePictureFixedSizeHeight, LcImaging.SizeMode.Cover, LcImaging.AnchorPosition.Center)))
{
modImg.Save(folder + avatarNamePrefix + sizeName + "-gray.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
}
// Same as previous but for hi-res 2x devices: (real pixel sizes is double but preserve the original size name to recognize it better adding the @2x suffix
using (var modImg = LcImaging.Grayscale(LcImaging.Resize(cropImg, profilePictureFixedSizeWidth * 2, profilePictureFixedSizeHeight * 2, LcImaging.SizeMode.Cover, LcImaging.AnchorPosition.Center)))
{
modImg.Save(folder + avatarNamePrefix + sizeName + "*****@*****.**", System.Drawing.Imaging.ImageFormat.Jpeg);
}
// NOTE Creation of images with more sizes (for small user widgets on reviews/bookings/etc) or filters go here
cropImg.Dispose();
}
}
/// <summary>
/// Sends user profile picture, or default image, to the Web Response Output.
/// </summary>
/// <param name="userID"></param>
/// <param name="type"></param>
public static void OutputProfilePicture(int userID, string type)
{
if (type == "2x")
{
type = "@2x";
}
else if (!String.IsNullOrWhiteSpace(type))
{
type = "-" + type;
}
var Response = HttpContext.Current.Response;
var userFolder = GetUserPhotoFolder(userID);
bool imageAdapted = false;
var sizeName = profilePictureFixedSizeWidth.ToString() + "x" + profilePictureFixedSizeHeight.ToString();
// And it happens again, new size change, so the next comment, just two times:
// To fix #558, because the change of size (so file name changed too), we do double try
// for a while
// TODO FUTURE: When there are no more oldSize (or a few, convert it manually), remove this and its use
const string veryOldSizeName = "176x184";
const string oldSizeName = "112x118";
// "$avatar"
// Standard name of pre-adapted image, just
// serve ever the profile adapted photo for now instead the big colored original:
var userPhoto = "$avatar-" + sizeName + "-gray" + type + ".jpg";
imageAdapted = true;
// Physical image path to userPhoto
var path = HttpContext.Current.Request.MapPath(LcUrl.RenderAppPath + userFolder + userPhoto);
// Try the OLD size if it doesn't exists the new:
if (!System.IO.File.Exists(path))
{
imageAdapted = false;
// Update name and path
userPhoto = "$avatar-" + oldSizeName + "-gray" + type + ".jpg";
path = HttpContext.Current.Request.MapPath(LcUrl.RenderAppPath + userFolder + userPhoto);
}
// Try the VERY OLD size if it doesn't exists the new:
if (!System.IO.File.Exists(path))
{
imageAdapted = false;
// Update name and path
userPhoto = "$avatar-" + veryOldSizeName + "-gray" + type + ".jpg";
path = HttpContext.Current.Request.MapPath(LcUrl.RenderAppPath + userFolder + userPhoto);
}
// Last fallback: default image
if (!System.IO.File.Exists(path))
{
imageAdapted = true;
if (type == "@2x")
{
userPhoto = "img/userphotos/u0/avatar-2x.png";
}
else
{
userPhoto = "img/userphotos/u0/avatar.png";
}
path = HttpContext.Current.Server.MapPath(LcUrl.RenderAppPath + userPhoto);
}
try
{
if (imageAdapted)
{
new WebImage(path).Write();
}
else
{
// Transform image to Grayscale and profile photo size to avoid big images:
// Is inside a using block because ensure close the image ressources and the file
using (var img = LcImaging.Grayscale(LcImaging.Resize(new System.Drawing.Bitmap(path), profilePictureFixedSizeWidth, profilePictureFixedSizeHeight, profilePictureSizeMode, LcImaging.AnchorPosition.Center)))
{
// Telling to the browser that this is a JPG image
Response.ContentType = "image/jpg";
// Send the transformed image to the browser
img.Save(Response.OutputStream, ImageFormat.Jpeg);
}
}
}
catch { }
}
