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Adhoc Utils

Image Utils

The Image.ResizeToPng() and Image.CropToPng() extension methods can be used to resize and crop System.Drawing Images, e.g:

[AddHeader(ContentType = "image/png")]
public Stream Get(Resize request)
{
    var imageFile = VirtualFiles.GetFile(request.Path);
    if (imageFile == null)
        throw HttpError.NotFound(request.Path + " was not found");

    using (var stream = imageFile.OpenRead())
    using (var img = Image.FromStream(stream))
    {
        return img.ResizeToPng(request.Width, request.Height);
    }
}

[AddHeader(ContentType = "image/png")]
public Stream Get(Crop request)
{
    var imageFile = VirtualFiles.GetFile(request.Path);
    if (imageFile == null)
        throw HttpError.NotFound(request.Path + " was not found");

    using (var stream = imageFile.OpenRead())
    using (var img = Image.FromStream(stream))
    {
        return img.CropToPng(request.Width, request.Height, request.StartX, request.StartY);
    }
}

Enum Utils

The EnumUtils.GetValues(), IEnumerable<Enum>.ToKeyValuePairs() and Enum.ToDescription() extension methods makes it easy to create data sources from Enums that can be annotated with [ApiMember] and [Description] attributes:

List<KeyValuePair<string, string>> Titles => EnumUtils.GetValues<Title>()
    .Where(x => x != Title.Unspecified)
    .ToKeyValuePairs();

List<string> FilmGenres => EnumUtils.GetValues<FilmGenres>()
    .Map(x => x.ToDescription());