ImageSharp/tests/ImageSharp.Benchmarks/Image/GetSetPixel.cs

// <copyright file="GetSetPixel.cs" company="James Jackson-South">
// Copyright (c) James Jackson-South and contributors.
// Licensed under the Apache License, Version 2.0.
// </copyright>

namespace ImageSharp.Benchmarks.Image
{
    using System.Drawing;

    using BenchmarkDotNet.Attributes;

    using CoreColor = ImageSharp.Color;
    using CoreImage = ImageSharp.Image;
    using SystemColor = System.Drawing.Color;

    public class GetSetPixel : BenchmarkBase
    {
        [Benchmark(Baseline = true, Description = "System.Drawing GetSet pixel")]
        public SystemColor ResizeSystemDrawing()
        {
            using (Bitmap source = new Bitmap(400, 400))
            {
                source.SetPixel(200, 200, SystemColor.White);
                return source.GetPixel(200, 200);
            }
        }

        [Benchmark(Description = "ImageSharp GetSet pixel")]
        public CoreColor ResizeCore()
        {
            using (CoreImage image = new CoreImage(400, 400))
            {
                using (PixelAccessor<CoreColor> imagePixels = image.Lock())
                {
                    imagePixels[200, 200] = CoreColor.White;
                    return imagePixels[200, 200];
                }
            }
        }
    }
}