// Copyright (c) Six Labors.
// Licensed under the Apache License, Version 2.0.

using BenchmarkDotNet.Attributes;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Processing;

namespace SixLabors.ImageSharp.Benchmarks.Processing
{
    [Config(typeof(Config.MultiFramework))]
    public class Diffuse
    {
        [Benchmark]
        public Size DoDiffuse()
        {
            using var image = new Image<Rgba32>(Configuration.Default, 800, 800, Color.BlanchedAlmond);
            image.Mutate(x => x.Dither(KnownDitherings.FloydSteinberg));

            return image.Size();
        }

        [Benchmark]
        public Size DoDither()
        {
            using var image = new Image<Rgba32>(Configuration.Default, 800, 800, Color.BlanchedAlmond);
            image.Mutate(x => x.Dither());

            return image.Size();
        }
    }
}

// #### 20th February 2020 ####
//
// BenchmarkDotNet=v0.12.0, OS=Windows 10.0.18363
// Intel Core i7-8650U CPU 1.90GHz(Kaby Lake R), 1 CPU, 8 logical and 4 physical cores
// .NET Core SDK = 3.1.101
//
// [Host]     : .NET Core 3.1.1 (CoreCLR 4.700.19.60701, CoreFX 4.700.19.60801), X64 RyuJIT
//  Job-OJKYBT : .NET Framework 4.8 (4.8.4121.0), X64 RyuJIT
//  Job-RZWLFP : .NET Core 2.1.15 (CoreCLR 4.6.28325.01, CoreFX 4.6.28327.02), X64 RyuJIT
//  Job-NUYUQV : .NET Core 3.1.1 (CoreCLR 4.700.19.60701, CoreFX 4.700.19.60801), X64 RyuJIT
//
// IterationCount=3  LaunchCount=1  WarmupCount=3
//
// |    Method |       Runtime |      Mean |     Error |    StdDev | Gen 0 | Gen 1 | Gen 2 | Allocated |
// |---------- |-------------- |----------:|----------:|----------:|------:|------:|------:|----------:|
// | DoDiffuse |    .NET 4.7.2 | 30.535 ms | 19.217 ms | 1.0534 ms |     - |     - |     - |  26.25 KB |
// |  DoDither |    .NET 4.7.2 | 14.174 ms |  1.625 ms | 0.0891 ms |     - |     - |     - |  31.38 KB |
// | DoDiffuse | .NET Core 2.1 | 15.984 ms |  3.686 ms | 0.2020 ms |     - |     - |     - |  25.98 KB |
// |  DoDither | .NET Core 2.1 |  8.646 ms |  1.635 ms | 0.0896 ms |     - |     - |     - |  28.99 KB |
// | DoDiffuse | .NET Core 3.1 | 16.235 ms |  9.612 ms | 0.5269 ms |     - |     - |     - |  25.96 KB |
// |  DoDither | .NET Core 3.1 |  8.429 ms |  1.270 ms | 0.0696 ms |     - |     - |     - |  31.61 KB |