📷 A modern, cross-platform, 2D Graphics library for .NET
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// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.
using SixLabors.ImageSharp.Formats.Ico;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
using static SixLabors.ImageSharp.Tests.TestImages.Ico;
namespace SixLabors.ImageSharp.Tests.Formats.Icon.Ico;
[Trait("Format", "Icon")]
public class IcoEncoderTests
{
private static IcoEncoder Encoder => new();
[Theory]
[WithFile(Flutter, PixelTypes.Rgba32)]
public void CanRoundTripEncoder<TPixel>(TestImageProvider<TPixel> provider)
where TPixel : unmanaged, IPixel<TPixel>
{
using Image<TPixel> image = provider.GetImage(IcoDecoder.Instance);
using MemoryStream memStream = new();
image.DebugSaveMultiFrame(provider);
image.Save(memStream, Encoder);
memStream.Seek(0, SeekOrigin.Begin);
using Image<TPixel> encoded = Image.Load<TPixel>(memStream);
encoded.DebugSaveMultiFrame(provider, appendPixelTypeToFileName: false);
// Despite preservation of the palette. The process can still be lossy
encoded.CompareToOriginalMultiFrame(provider, ImageComparer.TolerantPercentage(.23f), IcoDecoder.Instance);
}
}