// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.

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

namespace SixLabors.ImageSharp.Benchmarks;

[Config(typeof(Config.Standard))]
public class DetectEdges
{
    private Image<Rgba32> image;

    [GlobalSetup]
    public void ReadImage()
    {
        if (this.image == null)
        {
            this.image = Image.Load<Rgba32>(File.OpenRead(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, TestImages.Bmp.Car)));
        }
    }

    [GlobalCleanup]
    public void Cleanup()
    {
        this.image.Dispose();
        this.image = null;
    }

    [Benchmark(Description = "ImageSharp DetectEdges")]
    public void ImageProcessorCoreDetectEdges()
    {
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Kayyali));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Kayyali));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Kirsch));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Laplacian3x3));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Laplacian5x5));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.LaplacianOfGaussian));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Prewitt));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.RobertsCross));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Robinson));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Scharr));
        this.image.Mutate(x => x.DetectEdges(KnownEdgeDetectorKernels.Sobel));
    }
}