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48 lines
2.3 KiB
48 lines
2.3 KiB
// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using SixLabors.ImageSharp.PixelFormats;
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using SixLabors.ImageSharp.Processing.Processors.Quantization;
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namespace SixLabors.ImageSharp.Processing.Processors.Dithering
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{
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/// <summary>
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/// Defines the contract for types that apply dithering to images.
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/// </summary>
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public interface IDither
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{
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/// <summary>
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/// Transforms the quantized image frame applying a dither matrix.
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/// This method should be treated as destructive, altering the input pixels.
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/// </summary>
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/// <typeparam name="TFrameQuantizer">The type of frame quantizer.</typeparam>
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/// <typeparam name="TPixel">The pixel format.</typeparam>
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/// <param name="quantizer">The frame quantizer.</param>
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/// <param name="source">The source image.</param>
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/// <param name="destination">The destination quantized frame.</param>
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/// <param name="bounds">The region of interest bounds.</param>
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void ApplyQuantizationDither<TFrameQuantizer, TPixel>(
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ref TFrameQuantizer quantizer,
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ImageFrame<TPixel> source,
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IndexedImageFrame<TPixel> destination,
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Rectangle bounds)
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where TFrameQuantizer : struct, IFrameQuantizer<TPixel>
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where TPixel : unmanaged, IPixel<TPixel>;
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/// <summary>
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/// Transforms the image frame applying a dither matrix.
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/// This method should be treated as destructive, altering the input pixels.
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/// </summary>
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/// <typeparam name="TPaletteDitherImageProcessor">The type of palette dithering processor.</typeparam>
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/// <typeparam name="TPixel">The pixel format.</typeparam>
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/// <param name="processor">The palette dithering processor.</param>
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/// <param name="source">The source image.</param>
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/// <param name="bounds">The region of interest bounds.</param>
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void ApplyPaletteDither<TPaletteDitherImageProcessor, TPixel>(
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in TPaletteDitherImageProcessor processor,
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ImageFrame<TPixel> source,
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Rectangle bounds)
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where TPaletteDitherImageProcessor : struct, IPaletteDitherImageProcessor<TPixel>
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where TPixel : unmanaged, IPixel<TPixel>;
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}
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}
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