public static async Task <string> ResizePicture([ActivityTrigger] PictureResizeRequest pictureResizeRequest,
[Blob("photos", FileAccess.Read, Connection = "StorageConnection")] CloudBlobContainer photosContainer,
[Blob("doneorders/{rand-guid}", FileAccess.ReadWrite, Connection = "StorageConnection")] ICloudBlob resizedPhotoCloudBlob,
TraceWriter log)
{
var photoStream = await GetSourcePhotoStream(photosContainer, pictureResizeRequest.FileName);
SetAttachmentAsContentDisposition(resizedPhotoCloudBlob, pictureResizeRequest);
var image = Image.Load(photoStream);
image.Mutate(e => e.Resize(pictureResizeRequest.RequiredWidth, pictureResizeRequest.RequiredHeight));
var resizedPhotoStream = new MemoryStream();
image.Save(resizedPhotoStream, new JpegEncoder());
resizedPhotoStream.Seek(0, SeekOrigin.Begin);
await resizedPhotoCloudBlob.UploadFromStreamAsync(resizedPhotoStream);
return(resizedPhotoCloudBlob.Name);
}
private static void SetAttachmentAsContentDisposition(ICloudBlob resizedPhotoCloudBlob,
PictureResizeRequest pictureResizeRequest)
{
resizedPhotoCloudBlob.Properties.ContentDisposition =
$"attachment; filename={pictureResizeRequest.RequiredWidth}x{pictureResizeRequest.RequiredHeight}.jpeg";
}
