PixelFormatConversionModule.cs

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using IDSImaging.Peak.Common.Serialization;
using IDSImaging.Peak.Common.Types;
using IDSImaging.Peak.ICV.Pipeline.Modules.Internal;
using IDSImaging.Peak.ICV.Types;
 
namespace IDSImaging.Peak.ICV.Pipeline.Modules;
 
public class PixelFormatConversionModule : ModuleBase, IDisposable
{
    public const PixelFormat DefaultOutputPixelFormat = PixelFormat.RGB8;
 
    internal const string OutputPixelFormatKey = "OutputPixelFormat";
    private readonly ImageConverterCInterface.Handle _handle;
 
    public PixelFormatConversionModule()
    {
        var handle = new ImageConverterCInterface.Handle();
        DllHelper.ExecuteAndMapReturnCodes(() =>
            ImageConverterCInterface.CInterface.peak_icv_Preprocessing_ImageConverter_Create(out handle));
        _handle = handle;
    }
 
    public override string TypeId => "PixelFormatConversion";
 
    public PixelFormat OutputPixelFormat { get; set; } = DefaultOutputPixelFormat;
 
    public void Dispose()
    {
        _handle.Dispose();
        GC.SuppressFinalize(this);
    }
 
    public override Image Process(Image inputImage)
    {
        if (!IsEnabled)
        {
            return inputImage;
        }
 
        PixelFormat inputFormat = inputImage.PixelFormat;
 
        if (inputFormat == OutputPixelFormat)
        {
            return inputImage;
        }
 
        var outputImageHandle = new Image.Handle();
 
        DllHelper.ExecuteAndMapReturnCodes(() =>
            ImageConverterCInterface.CInterface.peak_icv_Preprocessing_ImageConverter_Convert(_handle,
                inputImage._handle,
                OutputPixelFormat, out outputImageHandle));
 
        return new Image(outputImageHandle);
    }
 
    public void ReleaseBuffers()
    {
        DllHelper.ExecuteAndMapReturnCodes(() =>
            ImageConverterCInterface.CInterface.peak_icv_Preprocessing_ImageConverter_ReleaseBuffers(_handle));
    }
 
    public override void ResetToDefault()
    {
        OutputPixelFormat = DefaultOutputPixelFormat;
    }
 
    public override void Serialize(IArchive archive)
    {
        base.Serialize(archive);
        archive.SetString(OutputPixelFormatKey, new PixelFormatInfo(OutputPixelFormat).Name);
    }
 
    public override void Deserialize(IArchive archive)
    {
        base.Deserialize(archive);
        OutputPixelFormat = new PixelFormatInfo(archive.GetString(OutputPixelFormatKey)).PixelFormat;
    }
}