Hastlayer-SDK

using Hast.Layer;
using Hast.Samples.SampleAssembly;
using Lombiq.HelpfulLibraries.Common.Utilities;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.Formats.Bmp;
using SixLabors.ImageSharp.PixelFormats;
using System;
using System.Threading.Tasks;

namespace Hast.Samples.Consumer.SampleRunners;

internal sealed class ImageProcessingAlgorithmsSampleRunner : ISampleRunner
{
    public void Configure(HardwareGenerationConfiguration configuration) =>
        configuration.AddHardwareEntryPointType<ImageContrastModifier>();

    // ImageFilter is not parallelized, so not including it not to take away FPGA resources from ImageContrastModifier:
    //// configuration.AddHardwareEntryPointType<ImageFilter>();

    public async Task RunAsync(IHastlayer hastlayer, IHardwareRepresentation hardwareRepresentation, IProxyGenerationConfiguration configuration)
    {
        // In case you wish to test the sample with a larger file, the fpga.jpg file must be replaced. You can find a
        // 100 megapixel jpeg here: https://photographingspace.com/100-megapixel-moon/
        using var bitmap = await Image.LoadAsync<Rgba32>("fpga.jpg");

        var imageContrastModifier = await hastlayer
            .GenerateProxyAsync(hardwareRepresentation, new ImageContrastModifier(), configuration);
        var modifiedImageFpga = imageContrastModifier.ChangeImageContrast(
            bitmap,
            -50,
            hastlayer,
            hardwareRepresentation.HardwareGenerationConfiguration);
        await modifiedImageFpga.SaveAsync("contrast-fpga.bmp", new BmpEncoder());

        var sw = System.Diagnostics.Stopwatch.StartNew();
        var modifiedImageCpu = new ImageContrastModifier().ChangeImageContrast(
            bitmap,
            -50,
            hastlayer,
            hardwareRepresentation.HardwareGenerationConfiguration);
        sw.Stop();
        await modifiedImageCpu.SaveAsync("contrast-cpu.bmp", new BmpEncoder());
        Console.WriteLine(StringHelper.CreateInvariant($"On CPU it took {sw.ElapsedMilliseconds} ms."));
        // ImageFilter disabled until it's improved.
        //// var imageFilter = await hastlayer.GenerateProxy(hardwareRepresentation, new ImageFilter());
        //// var filteredImage = imageFilter.DetectHorizontalEdges(bitmap);
    }
}