mirror of https://github.com/SixLabors/ImageSharp
James Jackson-South
8 years ago
40 changed files with 176 additions and 115 deletions
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using BenchmarkDotNet.Attributes; |
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using System; |
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using System.IO; |
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using SixLabors.ImageSharp.Tests; |
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using System.Drawing; |
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using System.Drawing.Drawing2D; |
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using System.Drawing.Imaging; |
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using SixLabors.ImageSharp.Processing; |
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using SDImage = System.Drawing.Image; |
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using SixLabors.ImageSharp.Formats.Jpeg; |
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namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg |
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{ |
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[Config(typeof(Config.ShortClr))] |
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public class LoadResizeSave : BenchmarkBase |
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{ |
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private readonly Configuration configuration = new Configuration(new JpegConfigurationModule()); |
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private byte[] sourceBytes; |
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private byte[] destBytes; |
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private string TestImageFullPath => Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, this.TestImage); |
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[Params( |
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TestImages.Jpeg.Baseline.Jpeg420Exif |
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//, TestImages.Jpeg.Baseline.Calliphora
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)] |
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public string TestImage { get; set; } |
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[Params(false, true)] |
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public bool EnableParallelExecution { get; set; } |
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[GlobalSetup] |
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public void Setup() |
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{ |
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this.configuration.ParallelOptions.MaxDegreeOfParallelism = |
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this.EnableParallelExecution ? Environment.ProcessorCount : 1; |
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if (this.sourceBytes == null) |
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{ |
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this.sourceBytes = File.ReadAllBytes(this.TestImageFullPath); |
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} |
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if (this.destBytes == null) |
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{ |
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this.destBytes = new byte[this.sourceBytes.Length]; |
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} |
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} |
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[Benchmark(Baseline = true)] |
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public void SystemDrawing() |
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{ |
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using (var sourceStream = new MemoryStream(this.sourceBytes)) |
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using (var destStream = new MemoryStream(this.destBytes)) |
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using (var source = SDImage.FromStream(sourceStream)) |
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using (var destination = new Bitmap(source.Width / 4, source.Height / 4)) |
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{ |
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using (var graphics = Graphics.FromImage(destination)) |
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{ |
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graphics.InterpolationMode = InterpolationMode.HighQualityBicubic; |
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graphics.PixelOffsetMode = PixelOffsetMode.HighQuality; |
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graphics.CompositingQuality = CompositingQuality.HighQuality; |
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graphics.DrawImage(source, 0, 0, 400, 400); |
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} |
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destination.Save(destStream, ImageFormat.Jpeg); |
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} |
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} |
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[Benchmark] |
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public void ImageSharp() |
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{ |
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using (var source = Image.Load( |
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this.configuration, |
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this.sourceBytes, |
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new JpegDecoder { IgnoreMetadata = true })) |
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using (var destStream = new MemoryStream(this.destBytes)) |
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{ |
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source.Mutate(c => c.Resize(source.Width / 4, source.Height / 4)); |
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source.SaveAsJpeg(destStream); |
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} |
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} |
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} |
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} |
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