ImageSharp/tests/ImageSharp.Benchmarks/Codecs/EncodeTga.cs

// Copyright (c) Six Labors and contributors.
// Licensed under the GNU Affero General Public License, Version 3.

using System.IO;

using BenchmarkDotNet.Attributes;

using ImageMagick;

using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Tests;

namespace SixLabors.ImageSharp.Benchmarks.Codecs
{
    [Config(typeof(Config.ShortClr))]
    public class EncodeTga : BenchmarkBase
    {
        private MagickImage tgaMagick;
        private Image<Rgba32> tgaCore;

        private string TestImageFullPath => Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, this.TestImage);

        [Params(TestImages.Tga.Bit24BottomLeft)]
        public string TestImage { get; set; }

        [GlobalSetup]
        public void ReadImages()
        {
            if (this.tgaCore == null)
            {
                this.tgaCore = Image.Load<Rgba32>(this.TestImageFullPath);
                this.tgaMagick = new MagickImage(this.TestImageFullPath);
            }
        }

        [Benchmark(Baseline = true, Description = "Magick Tga")]
        public void BmpSystemDrawing()
        {
            using (var memoryStream = new MemoryStream())
            {
                this.tgaMagick.Write(memoryStream, MagickFormat.Tga);
            }
        }

        [Benchmark(Description = "ImageSharp Tga")]
        public void BmpCore()
        {
            using (var memoryStream = new MemoryStream())
            {
                this.tgaCore.SaveAsBmp(memoryStream);
            }
        }
    }
}