using System.ComponentModel.DataAnnotations;

using System.IO;

using System.Threading.Tasks;

using BCnEncoder.Decoder;

using BCnEncoder.Encoder;

using BCnEncoder.ImageSharp;

using BCnEncoder.Shared;

using BCnEncTests.Support;

using Xunit;

namespace BCnEncTests

{

public class DecodingAsyncTests

{

[Fact]

public async Task DecodeAsync()

{

var decoder = new BcDecoder();

var encoder = new BcEncoder();

var original = ImageLoader.TestGradient1;

var file = encoder.EncodeToKtx(original);

var image = await decoder.DecodeToImageRgba32Async(file);

TestHelper.AssertImagesEqual(original, image,encoder.OutputOptions.Quality);

image.Dispose();

}

[Fact]

public async Task DecodeAllMipMapsAsync()

{

var decoder = new BcDecoder();

var encoder = new BcEncoder();

var original = ImageLoader.TestGradient1;

var file = encoder.EncodeToKtx(original);

var images = await decoder.DecodeAllMipMapsToImageRgba32Async(file);

TestHelper.AssertImagesEqual(original, images[0], encoder.OutputOptions.Quality);

foreach(var img in images)

img.Dispose();

}

[Fact]

public async Task DecodeRawAsync()

{

var decoder = new BcDecoder();

var encoder = new BcEncoder();

var original = ImageLoader.TestGradient1;

var file = encoder.EncodeToKtx(original);

var ms = new MemoryStream(file.MipMaps[0].Faces[0].Data);

var image = await decoder.DecodeRawToImageRgba32Async(ms,

(int) file.MipMaps[0].Width, (int) file.MipMaps[0].Height, CompressionFormat.Bc1);

TestHelper.AssertImagesEqual(original, image, encoder.OutputOptions.Quality);

image.Dispose();

}

}

}