/// <summary>
/// Initializes a new instance of the <see cref="JpegImagePostProcessor"/> class.
/// </summary>
/// <param name="memoryManager">The <see cref="MemoryManager"/> to use for buffer allocations.</param>
/// <param name="rawJpeg">The <see cref="IRawJpegData"/> representing the uncompressed spectral Jpeg data</param>
public JpegImagePostProcessor(MemoryManager memoryManager, IRawJpegData rawJpeg)
{
this.RawJpeg = rawJpeg;
IJpegComponent c0 = rawJpeg.Components.First();
this.NumberOfPostProcessorSteps = c0.SizeInBlocks.Height / BlockRowsPerStep;
this.PostProcessorBufferSize = new Size(c0.SizeInBlocks.Width * 8, PixelRowsPerStep);
this.ComponentProcessors = rawJpeg.Components.Select(c => new JpegComponentPostProcessor(memoryManager, this, c)).ToArray();
this.rgbaBuffer = memoryManager.Allocate <Vector4>(rawJpeg.ImageSizeInPixels.Width);
this.colorConverter = JpegColorConverter.GetConverter(rawJpeg.ColorSpace);
}
/// <summary>
/// Initializes a new instance of the <see cref="JpegImagePostProcessor"/> class.
/// </summary>
/// <param name="configuration">The <see cref="Configuration"/> to configure internal operations.</param>
/// <param name="rawJpeg">The <see cref="IRawJpegData"/> representing the uncompressed spectral Jpeg data</param>
public JpegImagePostProcessor(Configuration configuration, IRawJpegData rawJpeg)
{
this.configuration = configuration;
this.RawJpeg = rawJpeg;
IJpegComponent c0 = rawJpeg.Components[0];
this.NumberOfPostProcessorSteps = c0.SizeInBlocks.Height / BlockRowsPerStep;
this.PostProcessorBufferSize = new Size(c0.SizeInBlocks.Width * 8, PixelRowsPerStep);
MemoryAllocator memoryAllocator = configuration.MemoryAllocator;
this.ComponentProcessors = new JpegComponentPostProcessor[rawJpeg.Components.Length];
for (int i = 0; i < rawJpeg.Components.Length; i++)
{
this.ComponentProcessors[i] = new JpegComponentPostProcessor(memoryAllocator, this, rawJpeg.Components[i]);
}
this.rgbaBuffer = memoryAllocator.Allocate <Vector4>(rawJpeg.ImageSizeInPixels.Width);
this.colorConverter = JpegColorConverter.GetConverter(rawJpeg.ColorSpace, rawJpeg.Precision);
}
