/// <summary>
/// Adds an image to the repository with the specified image processing options.
/// </summary>
/// <param name="stream">The stream source containing the image.</param>
/// <param name="options">The image processing options.</param>
/// <returns>The image key to access the image.</returns>
public ImageKey Add(Stream stream, ImageOptions options)
{
var id = SecureGuid.Create();
var format = Add(id, null, stream, options);
return(new ImageKey(id, format));
}
/// <summary>
/// Adds an image to the repository in its original format without applying any editors. The image must be in one of the supported formats (see <see
/// cref="ImageFormat"/>).
/// </summary>
/// <param name="stream">The stream source containing the image.</param>
/// <param name="validateSource">
/// Optional function used to validate the source image. Only headers are loaded in the image passed into the function.
/// </param>
/// <returns>The image key to access the image.</returns>
public ImageKey Add(Stream stream, Action <Image>?validateSource)
{
if (!stream.CanSeek)
{
var oldStream = stream;
stream = new MemoryStream();
oldStream.CopyTo(stream);
}
long startPosition = stream.Position;
ImageFormat format;
using (var image = Image.FromStream(stream, false, false)) {
validateSource?.Invoke(image);
if (image.RawFormat.Guid == SystemImageFormat.Jpeg.Guid)
{
format = ImageFormat.Jpeg;
}
else
{
throw new ArgumentException("The stream does not have a valid image format.", nameof(stream));
}
}
stream.Position = startPosition;
var id = SecureGuid.Create();
var imageKey = new ImageKey(id, format);
var filePath = GetAbsoluteImagePath(imageKey);
using var fs = filePath.OpenStream(FileMode.CreateNew);
stream.CopyTo(fs);
return(imageKey);
}