public ImageRgba32SteganographerBenchmarks()
{
_image = Image.Load <Rgba32>("resources/images/drawing.png");
_imageWithMessage = Image.Load <Rgba32>("resources/images/drawing.png");
_message = File.ReadAllText("resources/data/TenThousandWords.txt");
_steganographer = ImageRgba32SteganographerBuilder.Default;
_steganographer.EmbedMessage(_imageWithMessage, _message);
}
async Task ShouldBeAbleToEmbedAndExtractMessage(string imageName, string message)
{
var outputPath = $"{Environment.CurrentDirectory}/embedded-{imageName}";
_output.WriteLine(outputPath);
using var image = await Image.LoadAsync <Rgba32>($"resources/images/{imageName}");
_sut.EmbedMessage(image, message);
await image.SaveAsStegoAsync(outputPath);
using var imageWithPayload = await Image.LoadAsync <Rgba32>(outputPath);
var actualMessage = _sut.ExtractMessage(imageWithPayload);
actualMessage.Should().Be(message);
}
public void EmbedMessage()
{
_steganographer.EmbedMessage(_image, _message);
}