public static MemoryStream MakeBlurpleFromStream(BlurpleOptions opt)
{
Image <Rgba32> img = Image.Load(opt.GetSourceImage());
img.Mutate(x =>
{
x.GaussianBlur(opt.Preblur <= 0 ? 0.00001f : opt.Preblur)
.ApplyProcessor(new BlurpleProcessor(opt));
});
MemoryStream imgPngData = new MemoryStream();
img.SaveAsPng(imgPngData);
imgPngData.Seek(0, SeekOrigin.Begin);
return(imgPngData);
}
public static IActionResult Run([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] BlurpleOptions opt, TraceWriter log)
{
log.Info($"Image blurple request recieved.");
try
{
opt.Validate();
Stopwatch watch = new Stopwatch();
watch.Start();
var mem = MakeBlurpleFromStream(opt);
var result = new FileStreamResult(mem, "image/png");
watch.Stop();
log.Info($"Converted image, took {watch.ElapsedMilliseconds}ms");
return(result);
}
catch (NotSupportedException ex)
{
log.Error(ex.Message, ex);
return(new BadRequestObjectResult("Image format not supported."));
}
catch (ArgumentOutOfRangeException ex)
{
log.Error(ex.Message, ex);
return(new BadRequestObjectResult(ex.Message));
}
catch (Exception ex)
{
log.Error(ex.Message, ex);
}
return(new BadRequestObjectResult("There was an error of some kind."));
}
public BlurpleProcessor(BlurpleOptions opt)
{
_opt = opt;
}