diff --git a/tests/ImageSharp.Benchmarks/Codecs/Jpeg/DecodeJpegParseStreamOnly.cs b/tests/ImageSharp.Benchmarks/Codecs/Jpeg/DecodeJpegParseStreamOnly.cs new file mode 100644 index 000000000..059f312b3 --- /dev/null +++ b/tests/ImageSharp.Benchmarks/Codecs/Jpeg/DecodeJpegParseStreamOnly.cs @@ -0,0 +1,52 @@ +// Copyright (c) Six Labors and contributors. +// Licensed under the Apache License, Version 2.0. + +using BenchmarkDotNet.Attributes; +using System.Drawing; +using System.IO; +using SixLabors.ImageSharp.Formats.Jpeg; +using SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort; +using SixLabors.ImageSharp.Tests; + +namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg +{ + [Config(typeof(Config.ShortClr))] + public class DecodeJpegParseStreamOnly + { + [Params(TestImages.Jpeg.Baseline.Jpeg420Exif)] + public string TestImage { get; set; } + + private string TestImageFullPath => Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, this.TestImage); + + private byte[] jpegBytes; + + [GlobalSetup] + public void Setup() + { + this.jpegBytes = File.ReadAllBytes(this.TestImageFullPath); + } + + [Benchmark(Baseline = true, Description = "System.Drawing FULL")] + public Size JpegSystemDrawing() + { + using (var memoryStream = new MemoryStream(this.jpegBytes)) + { + using (var image = System.Drawing.Image.FromStream(memoryStream)) + { + return image.Size; + } + } + } + + [Benchmark(Description = "PdfJsJpegDecoderCore.ParseStream")] + public void ParseStreamPdfJs() + { + using (var memoryStream = new MemoryStream(this.jpegBytes)) + { + var decoder = new PdfJsJpegDecoderCore(Configuration.Default, new JpegDecoder() { IgnoreMetadata = true }); + decoder.ParseStream(memoryStream); + decoder.Dispose(); + } + } + } +} \ No newline at end of file