/// <summary>
/// Resize, rotate, incoming image, disposing it and saving transformations to disk
/// </summary>
/// <param name="image"></param>
/// <param name="pathFileName"></param>
/// <param name="angle"></param>
private static void PrepareAndSaveEditablePhoto(Image image, string pathFileName, float angle)
{
Image img = null;
try
{
// Resize to maximum allowed size (but not upscale) to allow user cropping later
var auxImg = LcImaging.Rotate(image, angle, DefaultBackground);
var w = FixedSizeWidth * WorkPhotoOriginalScale;
var h = FixedSizeHeight * WorkPhotoOriginalScale;
if (auxImg.Width < auxImg.Height)
{
// It's portrait, keep original in portrait to prevent the problem of photo getting smaller
// with each rotation; further processing creating optimized photos will make it landscape.
var aux = w;
w = h;
h = aux;
}
img = LcImaging.Resize(auxImg, w, h, LcImaging.SizeMode.Contain, LcImaging.AnchorPosition.Center, DefaultBackground);
auxImg.Dispose();
// Free source, no needed any more and if comes from file, saving will crash
image.Dispose();
// Save:
img.Save(pathFileName, System.Drawing.Imaging.ImageFormat.Jpeg);
}
finally
{
if (img != null)
{
img.Dispose();
}
}
}
/// <summary>
/// Save the uploaded photo as an image on the user folder
/// with a greater size than usual but limited,
/// for later use on cropping and resizing tasks.
/// </summary>
/// <param name="photo"></param>
/// <param name="virtualPath"></param>
public static void SaveEditableProfilePicture(int userID, Stream photo, float angle)
{
// Check folder or create
string virtualPath = LcUrl.RenderAppPath + GetUserPhotoFolder(userID);
var folder = System.Web.HttpContext.Current.Server.MapPath(virtualPath);
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
// Use file as image
using (var srcImg = System.Drawing.Image.FromStream(photo))
{
// Resize to maximum allowed size (but not upscale) to allow user cropping later
var auxImg = LcImaging.Rotate(srcImg, angle, DefaultBackground);
var img = LcImaging.Resize(auxImg, profilePictureFixedSizeWidth * profilePictureOriginalScale, profilePictureFixedSizeHeight * profilePictureOriginalScale, profilePictureSizeMode, LcImaging.AnchorPosition.Center, DefaultBackground);
auxImg.Dispose();
// Save:
img.Save(folder + avatarName + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
img.Dispose();
}
photo.Dispose();
}
/// <summary>
/// Ask to edit the original saved profile picture applying a rotation.
/// </summary>
/// <param name="userID"></param>
/// <param name="angle"></param>
/// <returns>True when exists and everything fine, false if no photo exists so couldn't perform task. Throw exception if error</returns>
public static bool EditEditableProfilePicture(int userID, float angle)
{
string virtualPath = LcUrl.RenderAppPath + GetUserPhotoFolder(userID);
var folder = System.Web.HttpContext.Current.Server.MapPath(virtualPath);
if (!Directory.Exists(folder))
{
return(false);
}
var file = folder + avatarName + ".jpg";
if (!File.Exists(file))
{
return(false);
}
// Use file as image
Image img = null;
try
{
using (var srcImg = System.Drawing.Image.FromFile(file))
{
// Resize to maximum allowed size (but not upscale) to allow user cropping later
var auxImg = LcImaging.Rotate(srcImg, angle, DefaultBackground);
img = LcImaging.Resize(auxImg, profilePictureFixedSizeWidth * profilePictureOriginalScale, profilePictureFixedSizeHeight * profilePictureOriginalScale, profilePictureSizeMode, LcImaging.AnchorPosition.Center, DefaultBackground);
auxImg.Dispose();
}
// Save:
img.Save(file, System.Drawing.Imaging.ImageFormat.Jpeg);
}
finally
{
if (img != null)
{
img.Dispose();
}
}
return(true);
}
