public async Task <IActionResult> UserAvatar(string userId)
{
if (string.IsNullOrEmpty(userId))
{
return(BadRequest());
}
var user = await userManager.FindByIdAsync(userId);
return(user?.Avatar == null || user.Avatar.Length == 0
? File(ImageScaler.ScaleImage(Resource.DefaultAvatar, 128, 128), "image/png")
: File(ImageScaler.ScaleImage(user.Avatar, 128, 128), "image/png"));
}
private static void checkResizeImage(string imageFilePath, int width, int height)
{
// 2013-05-20, Uwe Keim:
// Das Bild so in der Größe anpassen, wie es im HTML auch tatsächlich angegeben wurde.
if (width > 0 && height > 0 && !String.IsNullOrEmpty(imageFilePath) && File.Exists(imageFilePath))
{
using (var img = ImageHelper.LoadImage(imageFilePath))
{
if (img.Width != width || img.Height != height)
{
using (var img2 = ImageScaler.ScaleImage(img, width, height))
{
ImageHelper.SaveImage(img2, imageFilePath);
}
}
}
}
}
Image addImage(int width, int height)
{
if (Image == null)
{
return(null);
}
Image img;
try
{
img = ImageScaler.ScaleImage(width, height, Image);
}
catch (OutOfMemoryException)
{
return(null);
}
if (img == null)
{
return(null);
}
if (img == Image)
{
return(null);
}
ImageDesc desc = new ImageDesc();
desc.Width = width;
desc.Height = height;
desc.Image = img;
mImages.Add(desc);
mImage.Dispose();
mImage = null;
return(img);
}