diff --git a/src/ImageSharp/Color.cs b/src/ImageSharp/Color.cs index 70c721060..6dae76c34 100644 --- a/src/ImageSharp/Color.cs +++ b/src/ImageSharp/Color.cs @@ -7,7 +7,7 @@ using SixLabors.ImageSharp.PixelFormats; namespace SixLabors.ImageSharp { - public readonly struct Color + public readonly partial struct Color { private readonly Rgba64 data; diff --git a/src/ImageSharp/Processing/BinaryDiffuseExtensions.cs b/src/ImageSharp/Processing/BinaryDiffuseExtensions.cs index 487b64e1c..7976daf25 100644 --- a/src/ImageSharp/Processing/BinaryDiffuseExtensions.cs +++ b/src/ImageSharp/Processing/BinaryDiffuseExtensions.cs @@ -1,7 +1,6 @@ // Copyright (c) Six Labors and contributors. // Licensed under the Apache License, Version 2.0. -using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Processing.Processors.Binarization; using SixLabors.ImageSharp.Processing.Processors.Dithering; using SixLabors.Primitives; @@ -9,7 +8,7 @@ using SixLabors.Primitives; namespace SixLabors.ImageSharp.Processing { /// - /// Defines extension methods to apply binary diffusion on an + /// Defines extension methods to apply binary diffusion on an /// using Mutate/Clone. /// public static class BinaryDiffuseExtensions @@ -17,19 +16,19 @@ namespace SixLabors.ImageSharp.Processing /// /// Dithers the image reducing it to two colors using error diffusion. /// - /// The pixel format. /// The image this method extends. /// The diffusion algorithm to apply. /// The threshold to apply binarization of the image. Must be between 0 and 1. /// The to allow chaining of operations. - public static IImageProcessingContext BinaryDiffuse(this IImageProcessingContext source, IErrorDiffuser diffuser, float threshold) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryErrorDiffusionProcessor(diffuser, threshold)); + public static IImageProcessingContext BinaryDiffuse( + this IImageProcessingContext source, + IErrorDiffuser diffuser, + float threshold) => + source.ApplyProcessor(new BinaryErrorDiffusionProcessor(diffuser, threshold)); /// /// Dithers the image reducing it to two colors using error diffusion. /// - /// The pixel format. /// The image this method extends. /// The diffusion algorithm to apply. /// The threshold to apply binarization of the image. Must be between 0 and 1. @@ -37,28 +36,33 @@ namespace SixLabors.ImageSharp.Processing /// The structure that specifies the portion of the image object to alter. /// /// The to allow chaining of operations. - public static IImageProcessingContext BinaryDiffuse(this IImageProcessingContext source, IErrorDiffuser diffuser, float threshold, Rectangle rectangle) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryErrorDiffusionProcessor(diffuser, threshold), rectangle); + public static IImageProcessingContext BinaryDiffuse( + this IImageProcessingContext source, + IErrorDiffuser diffuser, + float threshold, + Rectangle rectangle) => + source.ApplyProcessor(new BinaryErrorDiffusionProcessor(diffuser, threshold), rectangle); /// /// Dithers the image reducing it to two colors using error diffusion. /// - /// The pixel format. /// The image this method extends. /// The diffusion algorithm to apply. /// The threshold to apply binarization of the image. Must be between 0 and 1. /// The color to use for pixels that are above the threshold. /// The color to use for pixels that are below the threshold /// The to allow chaining of operations. - public static IImageProcessingContext BinaryDiffuse(this IImageProcessingContext source, IErrorDiffuser diffuser, float threshold, TPixel upperColor, TPixel lowerColor) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryErrorDiffusionProcessor(diffuser, threshold, upperColor, lowerColor)); + public static IImageProcessingContext BinaryDiffuse( + this IImageProcessingContext source, + IErrorDiffuser diffuser, + float threshold, + Color upperColor, + Color lowerColor) => + source.ApplyProcessor(new BinaryErrorDiffusionProcessor(diffuser, threshold, upperColor, lowerColor)); /// /// Dithers the image reducing it to two colors using error diffusion. /// - /// The pixel format. /// The image this method extends. /// The diffusion algorithm to apply. /// The threshold to apply binarization of the image. Must be between 0 and 1. @@ -68,8 +72,15 @@ namespace SixLabors.ImageSharp.Processing /// The structure that specifies the portion of the image object to alter. /// /// The to allow chaining of operations. - public static IImageProcessingContext BinaryDiffuse(this IImageProcessingContext source, IErrorDiffuser diffuser, float threshold, TPixel upperColor, TPixel lowerColor, Rectangle rectangle) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryErrorDiffusionProcessor(diffuser, threshold, upperColor, lowerColor), rectangle); + public static IImageProcessingContext BinaryDiffuse( + this IImageProcessingContext source, + IErrorDiffuser diffuser, + float threshold, + Color upperColor, + Color lowerColor, + Rectangle rectangle) => + source.ApplyProcessor( + new BinaryErrorDiffusionProcessor(diffuser, threshold, upperColor, lowerColor), + rectangle); } } \ No newline at end of file diff --git a/src/ImageSharp/Processing/BinaryDitherExtensions.cs b/src/ImageSharp/Processing/BinaryDitherExtensions.cs index d8843dafa..b1e3d562e 100644 --- a/src/ImageSharp/Processing/BinaryDitherExtensions.cs +++ b/src/ImageSharp/Processing/BinaryDitherExtensions.cs @@ -1,7 +1,6 @@ // Copyright (c) Six Labors and contributors. // Licensed under the Apache License, Version 2.0. -using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Processing.Processors.Binarization; using SixLabors.ImageSharp.Processing.Processors.Dithering; using SixLabors.Primitives; @@ -9,7 +8,7 @@ using SixLabors.Primitives; namespace SixLabors.ImageSharp.Processing { /// - /// Defines extensions to apply binary dithering on an + /// Defines extensions to apply binary dithering on an /// using Mutate/Clone. /// public static class BinaryDitherExtensions @@ -17,45 +16,46 @@ namespace SixLabors.ImageSharp.Processing /// /// Dithers the image reducing it to two colors using ordered dithering. /// - /// The pixel format. /// The image this method extends. /// The ordered ditherer. /// The to allow chaining of operations. - public static IImageProcessingContext BinaryDither(this IImageProcessingContext source, IOrderedDither dither) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryOrderedDitherProcessor(dither)); + public static IImageProcessingContext + BinaryDither(this IImageProcessingContext source, IOrderedDither dither) => + source.ApplyProcessor(new BinaryOrderedDitherProcessor(dither)); /// /// Dithers the image reducing it to two colors using ordered dithering. /// - /// The pixel format. /// The image this method extends. /// The ordered ditherer. /// The color to use for pixels that are above the threshold. /// The color to use for pixels that are below the threshold /// The to allow chaining of operations. - public static IImageProcessingContext BinaryDither(this IImageProcessingContext source, IOrderedDither dither, TPixel upperColor, TPixel lowerColor) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryOrderedDitherProcessor(dither, upperColor, lowerColor)); + public static IImageProcessingContext BinaryDither( + this IImageProcessingContext source, + IOrderedDither dither, + Color upperColor, + Color lowerColor) => + source.ApplyProcessor(new BinaryOrderedDitherProcessor(dither, upperColor, lowerColor)); /// /// Dithers the image reducing it to two colors using ordered dithering. /// - /// The pixel format. /// The image this method extends. /// The ordered ditherer. /// /// The structure that specifies the portion of the image object to alter. /// /// The to allow chaining of operations. - public static IImageProcessingContext BinaryDither(this IImageProcessingContext source, IOrderedDither dither, Rectangle rectangle) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryOrderedDitherProcessor(dither), rectangle); + public static IImageProcessingContext BinaryDither( + this IImageProcessingContext source, + IOrderedDither dither, + Rectangle rectangle) => + source.ApplyProcessor(new BinaryOrderedDitherProcessor(dither), rectangle); /// /// Dithers the image reducing it to two colors using ordered dithering. /// - /// The pixel format. /// The image this method extends. /// The ordered ditherer. /// The color to use for pixels that are above the threshold. @@ -64,8 +64,12 @@ namespace SixLabors.ImageSharp.Processing /// The structure that specifies the portion of the image object to alter. /// /// The to allow chaining of operations. - public static IImageProcessingContext BinaryDither(this IImageProcessingContext source, IOrderedDither dither, TPixel upperColor, TPixel lowerColor, Rectangle rectangle) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryOrderedDitherProcessor(dither, upperColor, lowerColor), rectangle); + public static IImageProcessingContext BinaryDither( + this IImageProcessingContext source, + IOrderedDither dither, + Color upperColor, + Color lowerColor, + Rectangle rectangle) => + source.ApplyProcessor(new BinaryOrderedDitherProcessor(dither, upperColor, lowerColor), rectangle); } } \ No newline at end of file diff --git a/src/ImageSharp/Processing/BinaryThresholdExtensions.cs b/src/ImageSharp/Processing/BinaryThresholdExtensions.cs index aecb78484..35aa681e3 100644 --- a/src/ImageSharp/Processing/BinaryThresholdExtensions.cs +++ b/src/ImageSharp/Processing/BinaryThresholdExtensions.cs @@ -1,14 +1,13 @@ // Copyright (c) Six Labors and contributors. // Licensed under the Apache License, Version 2.0. -using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Processing.Processors.Binarization; using SixLabors.Primitives; namespace SixLabors.ImageSharp.Processing { /// - /// Defines extension methods to apply binary thresholding on an + /// Defines extension methods to apply binary thresholding on an /// using Mutate/Clone. /// public static class BinaryThresholdExtensions @@ -16,45 +15,45 @@ namespace SixLabors.ImageSharp.Processing /// /// Applies binarization to the image splitting the pixels at the given threshold. /// - /// The pixel format. /// The image this method extends. /// The threshold to apply binarization of the image. Must be between 0 and 1. - /// The to allow chaining of operations. - public static IImageProcessingContext BinaryThreshold(this IImageProcessingContext source, float threshold) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryThresholdProcessor(threshold)); + /// The to allow chaining of operations. + public static IImageProcessingContext BinaryThreshold(this IImageProcessingContext source, float threshold) => + source.ApplyProcessor(new BinaryThresholdProcessor(threshold)); /// /// Applies binarization to the image splitting the pixels at the given threshold. /// - /// The pixel format. /// The image this method extends. /// The threshold to apply binarization of the image. Must be between 0 and 1. /// /// The structure that specifies the portion of the image object to alter. /// - /// The to allow chaining of operations. - public static IImageProcessingContext BinaryThreshold(this IImageProcessingContext source, float threshold, Rectangle rectangle) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryThresholdProcessor(threshold), rectangle); + /// The to allow chaining of operations. + public static IImageProcessingContext BinaryThreshold( + this IImageProcessingContext source, + float threshold, + Rectangle rectangle) => + source.ApplyProcessor(new BinaryThresholdProcessor(threshold), rectangle); /// /// Applies binarization to the image splitting the pixels at the given threshold. /// - /// The pixel format. /// The image this method extends. /// The threshold to apply binarization of the image. Must be between 0 and 1. /// The color to use for pixels that are above the threshold. /// The color to use for pixels that are below the threshold - /// The to allow chaining of operations. - public static IImageProcessingContext BinaryThreshold(this IImageProcessingContext source, float threshold, TPixel upperColor, TPixel lowerColor) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryThresholdProcessor(threshold, upperColor, lowerColor)); + /// The to allow chaining of operations. + public static IImageProcessingContext BinaryThreshold( + this IImageProcessingContext source, + float threshold, + Color upperColor, + Color lowerColor) => + source.ApplyProcessor(new BinaryThresholdProcessor(threshold, upperColor, lowerColor)); /// /// Applies binarization to the image splitting the pixels at the given threshold. /// - /// The pixel format. /// The image this method extends. /// The threshold to apply binarization of the image. Must be between 0 and 1. /// The color to use for pixels that are above the threshold. @@ -62,9 +61,13 @@ namespace SixLabors.ImageSharp.Processing /// /// The structure that specifies the portion of the image object to alter. /// - /// The to allow chaining of operations. - public static IImageProcessingContext BinaryThreshold(this IImageProcessingContext source, float threshold, TPixel upperColor, TPixel lowerColor, Rectangle rectangle) - where TPixel : struct, IPixel - => source.ApplyProcessor(new BinaryThresholdProcessor(threshold, upperColor, lowerColor), rectangle); + /// The to allow chaining of operations. + public static IImageProcessingContext BinaryThreshold( + this IImageProcessingContext source, + float threshold, + Color upperColor, + Color lowerColor, + Rectangle rectangle) => + source.ApplyProcessor(new BinaryThresholdProcessor(threshold, upperColor, lowerColor), rectangle); } -} +} \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/Binarization/BinaryErrorDiffusionProcessor.cs b/src/ImageSharp/Processing/Processors/Binarization/BinaryErrorDiffusionProcessor.cs index 32cc2f434..812983664 100644 --- a/src/ImageSharp/Processing/Processors/Binarization/BinaryErrorDiffusionProcessor.cs +++ b/src/ImageSharp/Processing/Processors/Binarization/BinaryErrorDiffusionProcessor.cs @@ -2,22 +2,19 @@ // Licensed under the Apache License, Version 2.0. using System; -using SixLabors.ImageSharp.Advanced; + using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Processing.Processors.Dithering; -using SixLabors.Primitives; namespace SixLabors.ImageSharp.Processing.Processors.Binarization { /// /// Performs binary threshold filtering against an image using error diffusion. /// - /// The pixel format. - internal class BinaryErrorDiffusionProcessor : ImageProcessor - where TPixel : struct, IPixel + public class BinaryErrorDiffusionProcessor : IImageProcessor { /// - /// Initializes a new instance of the class. + /// Initializes a new instance of the class. /// /// The error diffuser public BinaryErrorDiffusionProcessor(IErrorDiffuser diffuser) @@ -26,23 +23,23 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization } /// - /// Initializes a new instance of the class. + /// Initializes a new instance of the class. /// /// The error diffuser /// The threshold to split the image. Must be between 0 and 1. public BinaryErrorDiffusionProcessor(IErrorDiffuser diffuser, float threshold) - : this(diffuser, threshold, NamedColors.White, NamedColors.Black) + : this(diffuser, threshold, Color.White, Color.Black) { } /// - /// Initializes a new instance of the class. + /// Initializes a new instance of the class. /// /// The error diffuser /// The threshold to split the image. Must be between 0 and 1. /// The color to use for pixels that are above the threshold. /// The color to use for pixels that are below the threshold. - public BinaryErrorDiffusionProcessor(IErrorDiffuser diffuser, float threshold, TPixel upperColor, TPixel lowerColor) + public BinaryErrorDiffusionProcessor(IErrorDiffuser diffuser, float threshold, Color upperColor, Color lowerColor) { Guard.NotNull(diffuser, nameof(diffuser)); Guard.MustBeBetweenOrEqualTo(threshold, 0, 1, nameof(threshold)); @@ -66,57 +63,18 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization /// /// Gets the color to use for pixels that are above the threshold. /// - public TPixel UpperColor { get; } + public Color UpperColor { get; } /// /// Gets the color to use for pixels that fall below the threshold. /// - public TPixel LowerColor { get; } + public Color LowerColor { get; } - /// - protected override void OnFrameApply(ImageFrame source, Rectangle sourceRectangle, Configuration configuration) + /// + public IImageProcessor CreatePixelSpecificProcessor() + where TPixel : struct, IPixel { - byte threshold = (byte)MathF.Round(this.Threshold * 255F); - bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8); - - var interest = Rectangle.Intersect(sourceRectangle, source.Bounds()); - int startY = interest.Y; - int endY = interest.Bottom; - int startX = interest.X; - int endX = interest.Right; - - // Collect the values before looping so we can reduce our calculation count for identical sibling pixels - TPixel sourcePixel = source[startX, startY]; - TPixel previousPixel = sourcePixel; - Rgba32 rgba = default; - sourcePixel.ToRgba32(ref rgba); - - // Convert to grayscale using ITU-R Recommendation BT.709 if required - byte luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); - - for (int y = startY; y < endY; y++) - { - Span row = source.GetPixelRowSpan(y); - - for (int x = startX; x < endX; x++) - { - sourcePixel = row[x]; - - // Check if this is the same as the last pixel. If so use that value - // rather than calculating it again. This is an inexpensive optimization. - if (!previousPixel.Equals(sourcePixel)) - { - sourcePixel.ToRgba32(ref rgba); - luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); - - // Setup the previous pointer - previousPixel = sourcePixel; - } - - TPixel transformedPixel = luminance >= threshold ? this.UpperColor : this.LowerColor; - this.Diffuser.Dither(source, sourcePixel, transformedPixel, x, y, startX, startY, endX, endY); - } - } + return new BinaryErrorDiffusionProcessor(this); } } } \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/Binarization/BinaryErrorDiffusionProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Binarization/BinaryErrorDiffusionProcessor{TPixel}.cs new file mode 100644 index 000000000..e3828aeb6 --- /dev/null +++ b/src/ImageSharp/Processing/Processors/Binarization/BinaryErrorDiffusionProcessor{TPixel}.cs @@ -0,0 +1,77 @@ +// Copyright (c) Six Labors and contributors. +// Licensed under the Apache License, Version 2.0. + +using System; + +using SixLabors.ImageSharp.Advanced; +using SixLabors.ImageSharp.PixelFormats; +using SixLabors.ImageSharp.Processing.Processors.Dithering; +using SixLabors.Primitives; + +namespace SixLabors.ImageSharp.Processing.Processors.Binarization +{ + /// + /// Performs binary threshold filtering against an image using error diffusion. + /// + /// The pixel format. + internal class BinaryErrorDiffusionProcessor : ImageProcessor + where TPixel : struct, IPixel + { + private readonly BinaryErrorDiffusionProcessor definition; + + public BinaryErrorDiffusionProcessor(BinaryErrorDiffusionProcessor definition) + { + this.definition = definition; + } + + /// + protected override void OnFrameApply(ImageFrame source, Rectangle sourceRectangle, Configuration configuration) + { + TPixel upperColor = this.definition.UpperColor.ToPixel(); + TPixel lowerColor = this.definition.LowerColor.ToPixel(); + IErrorDiffuser diffuser = this.definition.Diffuser; + + byte threshold = (byte)MathF.Round(this.definition.Threshold * 255F); + bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8); + + var interest = Rectangle.Intersect(sourceRectangle, source.Bounds()); + int startY = interest.Y; + int endY = interest.Bottom; + int startX = interest.X; + int endX = interest.Right; + + // Collect the values before looping so we can reduce our calculation count for identical sibling pixels + TPixel sourcePixel = source[startX, startY]; + TPixel previousPixel = sourcePixel; + Rgba32 rgba = default; + sourcePixel.ToRgba32(ref rgba); + + // Convert to grayscale using ITU-R Recommendation BT.709 if required + byte luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); + + for (int y = startY; y < endY; y++) + { + Span row = source.GetPixelRowSpan(y); + + for (int x = startX; x < endX; x++) + { + sourcePixel = row[x]; + + // Check if this is the same as the last pixel. If so use that value + // rather than calculating it again. This is an inexpensive optimization. + if (!previousPixel.Equals(sourcePixel)) + { + sourcePixel.ToRgba32(ref rgba); + luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); + + // Setup the previous pointer + previousPixel = sourcePixel; + } + + TPixel transformedPixel = luminance >= threshold ? upperColor : lowerColor; + diffuser.Dither(source, sourcePixel, transformedPixel, x, y, startX, startY, endX, endY); + } + } + } + } +} \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/Binarization/BinaryOrderedDitherProcessor.cs b/src/ImageSharp/Processing/Processors/Binarization/BinaryOrderedDitherProcessor.cs index cfdaf107c..99c57171c 100644 --- a/src/ImageSharp/Processing/Processors/Binarization/BinaryOrderedDitherProcessor.cs +++ b/src/ImageSharp/Processing/Processors/Binarization/BinaryOrderedDitherProcessor.cs @@ -2,36 +2,30 @@ // Licensed under the Apache License, Version 2.0. using System; -using SixLabors.ImageSharp.Advanced; + using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Processing.Processors.Dithering; -using SixLabors.Primitives; namespace SixLabors.ImageSharp.Processing.Processors.Binarization { - /// - /// Performs binary threshold filtering against an image using ordered dithering. - /// - /// The pixel format. - internal class BinaryOrderedDitherProcessor : ImageProcessor - where TPixel : struct, IPixel + public class BinaryOrderedDitherProcessor : IImageProcessor { /// - /// Initializes a new instance of the class. + /// Initializes a new instance of the class. /// /// The ordered ditherer. public BinaryOrderedDitherProcessor(IOrderedDither dither) - : this(dither, NamedColors.White, NamedColors.Black) + : this(dither, Color.White, Color.Black) { } /// - /// Initializes a new instance of the class. + /// Initializes a new instance of the class. /// /// The ordered ditherer. /// The color to use for pixels that are above the threshold. /// The color to use for pixels that are below the threshold. - public BinaryOrderedDitherProcessor(IOrderedDither dither, TPixel upperColor, TPixel lowerColor) + public BinaryOrderedDitherProcessor(IOrderedDither dither, Color upperColor, Color lowerColor) { this.Dither = dither ?? throw new ArgumentNullException(nameof(dither)); this.UpperColor = upperColor; @@ -46,55 +40,18 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization /// /// Gets the color to use for pixels that are above the threshold. /// - public TPixel UpperColor { get; } + public Color UpperColor { get; } /// /// Gets the color to use for pixels that fall below the threshold. /// - public TPixel LowerColor { get; } + public Color LowerColor { get; } - /// - protected override void OnFrameApply(ImageFrame source, Rectangle sourceRectangle, Configuration configuration) + /// + public IImageProcessor CreatePixelSpecificProcessor() + where TPixel : struct, IPixel { - bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8); - - var interest = Rectangle.Intersect(sourceRectangle, source.Bounds()); - int startY = interest.Y; - int endY = interest.Bottom; - int startX = interest.X; - int endX = interest.Right; - - // Collect the values before looping so we can reduce our calculation count for identical sibling pixels - TPixel sourcePixel = source[startX, startY]; - TPixel previousPixel = sourcePixel; - Rgba32 rgba = default; - sourcePixel.ToRgba32(ref rgba); - - // Convert to grayscale using ITU-R Recommendation BT.709 if required - byte luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); - - for (int y = startY; y < endY; y++) - { - Span row = source.GetPixelRowSpan(y); - - for (int x = startX; x < endX; x++) - { - sourcePixel = row[x]; - - // Check if this is the same as the last pixel. If so use that value - // rather than calculating it again. This is an inexpensive optimization. - if (!previousPixel.Equals(sourcePixel)) - { - sourcePixel.ToRgba32(ref rgba); - luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); - - // Setup the previous pointer - previousPixel = sourcePixel; - } - - this.Dither.Dither(source, sourcePixel, this.UpperColor, this.LowerColor, luminance, x, y); - } - } + return new BinaryOrderedDitherProcessor(this); } } } \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/Binarization/BinaryOrderedDitherProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Binarization/BinaryOrderedDitherProcessor{TPixel}.cs new file mode 100644 index 000000000..b3d174dfb --- /dev/null +++ b/src/ImageSharp/Processing/Processors/Binarization/BinaryOrderedDitherProcessor{TPixel}.cs @@ -0,0 +1,75 @@ +// Copyright (c) Six Labors and contributors. +// Licensed under the Apache License, Version 2.0. + +using System; + +using SixLabors.ImageSharp.Advanced; +using SixLabors.ImageSharp.PixelFormats; +using SixLabors.ImageSharp.Processing.Processors.Dithering; +using SixLabors.Primitives; + +namespace SixLabors.ImageSharp.Processing.Processors.Binarization +{ + /// + /// Performs binary threshold filtering against an image using ordered dithering. + /// + /// The pixel format. + internal class BinaryOrderedDitherProcessor : ImageProcessor + where TPixel : struct, IPixel + { + private readonly BinaryOrderedDitherProcessor definition; + + public BinaryOrderedDitherProcessor(BinaryOrderedDitherProcessor definition) + { + this.definition = definition; + } + + /// + protected override void OnFrameApply(ImageFrame source, Rectangle sourceRectangle, Configuration configuration) + { + IOrderedDither dither = this.definition.Dither; + TPixel upperColor = this.definition.UpperColor.ToPixel(); + TPixel lowerColor = this.definition.LowerColor.ToPixel(); + + bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8); + + var interest = Rectangle.Intersect(sourceRectangle, source.Bounds()); + int startY = interest.Y; + int endY = interest.Bottom; + int startX = interest.X; + int endX = interest.Right; + + // Collect the values before looping so we can reduce our calculation count for identical sibling pixels + TPixel sourcePixel = source[startX, startY]; + TPixel previousPixel = sourcePixel; + Rgba32 rgba = default; + sourcePixel.ToRgba32(ref rgba); + + // Convert to grayscale using ITU-R Recommendation BT.709 if required + byte luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); + + for (int y = startY; y < endY; y++) + { + Span row = source.GetPixelRowSpan(y); + + for (int x = startX; x < endX; x++) + { + sourcePixel = row[x]; + + // Check if this is the same as the last pixel. If so use that value + // rather than calculating it again. This is an inexpensive optimization. + if (!previousPixel.Equals(sourcePixel)) + { + sourcePixel.ToRgba32(ref rgba); + luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); + + // Setup the previous pointer + previousPixel = sourcePixel; + } + + dither.Dither(source, sourcePixel, upperColor, lowerColor, luminance, x, y); + } + } + } + } +} \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor.cs b/src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor.cs index 67dcfc7f1..50086936c 100644 --- a/src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor.cs +++ b/src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor.cs @@ -3,36 +3,31 @@ using System; -using SixLabors.ImageSharp.Advanced; -using SixLabors.ImageSharp.ParallelUtils; using SixLabors.ImageSharp.PixelFormats; -using SixLabors.Primitives; namespace SixLabors.ImageSharp.Processing.Processors.Binarization { /// /// Performs simple binary threshold filtering against an image. /// - /// The pixel format. - internal class BinaryThresholdProcessor : ImageProcessor - where TPixel : struct, IPixel + public class BinaryThresholdProcessor : IImageProcessor { /// - /// Initializes a new instance of the class. + /// Initializes a new instance of the class. /// /// The threshold to split the image. Must be between 0 and 1. public BinaryThresholdProcessor(float threshold) - : this(threshold, NamedColors.White, NamedColors.Black) + : this(threshold, Color.White, Color.Black) { } /// - /// Initializes a new instance of the class. + /// Initializes a new instance of the class. /// /// The threshold to split the image. Must be between 0 and 1. /// The color to use for pixels that are above the threshold. /// The color to use for pixels that are below the threshold. - public BinaryThresholdProcessor(float threshold, TPixel upperColor, TPixel lowerColor) + public BinaryThresholdProcessor(float threshold, Color upperColor, Color lowerColor) { Guard.MustBeBetweenOrEqualTo(threshold, 0, 1, nameof(threshold)); this.Threshold = threshold; @@ -48,54 +43,18 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization /// /// Gets or sets the color to use for pixels that are above the threshold. /// - public TPixel UpperColor { get; set; } + public Color UpperColor { get; } /// /// Gets or sets the color to use for pixels that fall below the threshold. /// - public TPixel LowerColor { get; set; } + public Color LowerColor { get; } - /// - protected override void OnFrameApply( - ImageFrame source, - Rectangle sourceRectangle, - Configuration configuration) + /// + public IImageProcessor CreatePixelSpecificProcessor() + where TPixel : struct, IPixel { - byte threshold = (byte)MathF.Round(this.Threshold * 255F); - TPixel upper = this.UpperColor; - TPixel lower = this.LowerColor; - - var interest = Rectangle.Intersect(sourceRectangle, source.Bounds()); - int startY = interest.Y; - int endY = interest.Bottom; - int startX = interest.X; - int endX = interest.Right; - - bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8); - - var workingRect = Rectangle.FromLTRB(startX, startY, endX, endY); - - ParallelHelper.IterateRows( - workingRect, - configuration, - rows => - { - Rgba32 rgba = default; - for (int y = rows.Min; y < rows.Max; y++) - { - Span row = source.GetPixelRowSpan(y); - - for (int x = startX; x < endX; x++) - { - ref TPixel color = ref row[x]; - color.ToRgba32(ref rgba); - - // Convert to grayscale using ITU-R Recommendation BT.709 if required - byte luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); - color = luminance >= threshold ? upper : lower; - } - } - }); + return new BinaryThresholdProcessor(this); } } } \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor{TPixel}.cs new file mode 100644 index 000000000..0d90d3647 --- /dev/null +++ b/src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor{TPixel}.cs @@ -0,0 +1,70 @@ +// Copyright (c) Six Labors and contributors. +// Licensed under the Apache License, Version 2.0. + +using System; + +using SixLabors.ImageSharp.Advanced; +using SixLabors.ImageSharp.ParallelUtils; +using SixLabors.ImageSharp.PixelFormats; +using SixLabors.Primitives; + +namespace SixLabors.ImageSharp.Processing.Processors.Binarization +{ + /// + /// Performs simple binary threshold filtering against an image. + /// + /// The pixel format. + internal class BinaryThresholdProcessor : ImageProcessor + where TPixel : struct, IPixel + { + private readonly BinaryThresholdProcessor definition; + + public BinaryThresholdProcessor(BinaryThresholdProcessor definition) + { + this.definition = definition; + } + + /// + protected override void OnFrameApply( + ImageFrame source, + Rectangle sourceRectangle, + Configuration configuration) + { + byte threshold = (byte)MathF.Round(this.definition.Threshold * 255F); + TPixel upper = this.definition.UpperColor.ToPixel(); + TPixel lower = this.definition.LowerColor.ToPixel(); + + var interest = Rectangle.Intersect(sourceRectangle, source.Bounds()); + int startY = interest.Y; + int endY = interest.Bottom; + int startX = interest.X; + int endX = interest.Right; + + bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8); + + var workingRect = Rectangle.FromLTRB(startX, startY, endX, endY); + + ParallelHelper.IterateRows( + workingRect, + configuration, + rows => + { + Rgba32 rgba = default; + for (int y = rows.Min; y < rows.Max; y++) + { + Span row = source.GetPixelRowSpan(y); + + for (int x = startX; x < endX; x++) + { + ref TPixel color = ref row[x]; + color.ToRgba32(ref rgba); + + // Convert to grayscale using ITU-R Recommendation BT.709 if required + byte luminance = isAlphaOnly ? rgba.A : ImageMaths.Get8BitBT709Luminance(rgba.R, rgba.G, rgba.B); + color = luminance >= threshold ? upper : lower; + } + } + }); + } + } +} \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/Convolution/EdgeDetector2DProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Convolution/EdgeDetector2DProcessor{TPixel}.cs index 5daf14fc3..f6771288f 100644 --- a/src/ImageSharp/Processing/Processors/Convolution/EdgeDetector2DProcessor{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Convolution/EdgeDetector2DProcessor{TPixel}.cs @@ -50,7 +50,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution { if (this.Grayscale) { - new GrayscaleBt709Processor(1F).ApplyToFrame(source, sourceRectangle, configuration); + new GrayscaleBt709Processor(1F).Apply(source, sourceRectangle, configuration); } } } diff --git a/src/ImageSharp/Processing/Processors/Convolution/EdgeDetectorCompassProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Convolution/EdgeDetectorCompassProcessor{TPixel}.cs index 227003195..5995ac844 100644 --- a/src/ImageSharp/Processing/Processors/Convolution/EdgeDetectorCompassProcessor{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Convolution/EdgeDetectorCompassProcessor{TPixel}.cs @@ -42,7 +42,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution { if (this.Grayscale) { - new GrayscaleBt709Processor(1F).ApplyToFrame(source, sourceRectangle, configuration); + new GrayscaleBt709Processor(1F).Apply(source, sourceRectangle, configuration); } } diff --git a/src/ImageSharp/Processing/Processors/Convolution/EdgeDetectorProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Convolution/EdgeDetectorProcessor{TPixel}.cs index 026313cc1..041c54803 100644 --- a/src/ImageSharp/Processing/Processors/Convolution/EdgeDetectorProcessor{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Convolution/EdgeDetectorProcessor{TPixel}.cs @@ -38,7 +38,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution { if (this.Grayscale) { - new GrayscaleBt709Processor(1F).ApplyToFrame(source, sourceRectangle, configuration); + new GrayscaleBt709Processor(1F).Apply(source, sourceRectangle, configuration); } } diff --git a/src/ImageSharp/Processing/Processors/Convolution/SobelProcessor.cs b/src/ImageSharp/Processing/Processors/Convolution/SobelProcessor.cs index bc4339e05..3d5d1e7bf 100644 --- a/src/ImageSharp/Processing/Processors/Convolution/SobelProcessor.cs +++ b/src/ImageSharp/Processing/Processors/Convolution/SobelProcessor.cs @@ -26,13 +26,5 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution { return new EdgeDetector2DProcessor(SobelKernels.SobelX, SobelKernels.SobelY, this.Grayscale); } - - // TODO: Move this to an appropriate extension method if possible. - internal void ApplyToFrame(ImageFrame frame, Rectangle sourceRectangle, Configuration configuration) - where TPixel : struct, IPixel - { - var processorImpl = new EdgeDetector2DProcessor(SobelKernels.SobelX, SobelKernels.SobelY, this.Grayscale); - processorImpl.Apply(frame, sourceRectangle, configuration); - } } } \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/Filters/GrayscaleBt709Processor.cs b/src/ImageSharp/Processing/Processors/Filters/GrayscaleBt709Processor.cs index 2d7d2a1ea..ae6d5f6f7 100644 --- a/src/ImageSharp/Processing/Processors/Filters/GrayscaleBt709Processor.cs +++ b/src/ImageSharp/Processing/Processors/Filters/GrayscaleBt709Processor.cs @@ -25,13 +25,5 @@ namespace SixLabors.ImageSharp.Processing.Processors.Filters /// Gets the proportion of the conversion. /// public float Amount { get; } - - // TODO: Move this to an appropriate extension method if possible. - internal void ApplyToFrame(ImageFrame frame, Rectangle sourceRectangle, Configuration configuration) - where TPixel : struct, IPixel - { - var processorImpl = new FilterProcessor(new GrayscaleBt709Processor(1F)); - processorImpl.Apply(frame, sourceRectangle, configuration); - } } } \ No newline at end of file diff --git a/src/ImageSharp/Processing/Processors/ImageProcessorExtensions.cs b/src/ImageSharp/Processing/Processors/ImageProcessorExtensions.cs index 762d761c6..91b2b30d0 100644 --- a/src/ImageSharp/Processing/Processors/ImageProcessorExtensions.cs +++ b/src/ImageSharp/Processing/Processors/ImageProcessorExtensions.cs @@ -14,6 +14,21 @@ namespace SixLabors.ImageSharp.Processing.Processors source.AcceptVisitor(visitor); } + /// + /// Apply an to a frame. + /// Only works from processors implemented by an subclass. + /// + internal static void Apply( + this IImageProcessor processor, + ImageFrame frame, + Rectangle sourceRectangle, + Configuration configuration) + where TPixel : struct, IPixel + { + var processorImpl = (ImageProcessor)processor.CreatePixelSpecificProcessor(); + processorImpl.Apply(frame, sourceRectangle, configuration); + } + private class ApplyVisitor : IImageVisitor { private readonly IImageProcessor processor; diff --git a/src/ImageSharp/Processing/Processors/Transforms/EntropyCropProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Transforms/EntropyCropProcessor{TPixel}.cs index eaeb6939e..4bfeb2519 100644 --- a/src/ImageSharp/Processing/Processors/Transforms/EntropyCropProcessor{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Transforms/EntropyCropProcessor{TPixel}.cs @@ -38,10 +38,10 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms Configuration configuration = source.GetConfiguration(); // Detect the edges. - new SobelProcessor(false).ApplyToFrame(temp, sourceRectangle, configuration); + new SobelProcessor(false).Apply(temp, sourceRectangle, configuration); // Apply threshold binarization filter. - new BinaryThresholdProcessor(this.definition.Threshold).Apply(temp, sourceRectangle, configuration); + new BinaryThresholdProcessor(this.definition.Threshold).Apply(temp, sourceRectangle, configuration); // Search for the first white pixels rectangle = ImageMaths.GetFilteredBoundingRectangle(temp, 0); diff --git a/src/ImageSharp/Source/ImageSharp/Color.NamedColors.cs b/src/ImageSharp/Source/ImageSharp/Color.NamedColors.cs new file mode 100644 index 000000000..e00329d89 --- /dev/null +++ b/src/ImageSharp/Source/ImageSharp/Color.NamedColors.cs @@ -0,0 +1,717 @@ +// // Copyright (c) Six Labors and contributors. +// // Licensed under the Apache License, Version 2.0. +namespace SixLabors.ImageSharp +{ + public readonly partial struct Color + { + /// + /// Represents a matching the W3C definition that has an hex value of #F0F8FF. + /// + public static readonly Color AliceBlue = FromRgba(240, 248, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FAEBD7. + /// + public static readonly Color AntiqueWhite = FromRgba(250, 235, 215, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #00FFFF. + /// + public static readonly Color Aqua = FromRgba(0, 255, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #7FFFD4. + /// + public static readonly Color Aquamarine = FromRgba(127, 255, 212, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F0FFFF. + /// + public static readonly Color Azure = FromRgba(240, 255, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F5F5DC. + /// + public static readonly Color Beige = FromRgba(245, 245, 220, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFE4C4. + /// + public static readonly Color Bisque = FromRgba(255, 228, 196, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #000000. + /// + public static readonly Color Black = FromRgba(0, 0, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFEBCD. + /// + public static readonly Color BlanchedAlmond = FromRgba(255, 235, 205, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #0000FF. + /// + public static readonly Color Blue = FromRgba(0, 0, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #8A2BE2. + /// + public static readonly Color BlueViolet = FromRgba(138, 43, 226, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #A52A2A. + /// + public static readonly Color Brown = FromRgba(165, 42, 42, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #DEB887. + /// + public static readonly Color BurlyWood = FromRgba(222, 184, 135, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #5F9EA0. + /// + public static readonly Color CadetBlue = FromRgba(95, 158, 160, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #7FFF00. + /// + public static readonly Color Chartreuse = FromRgba(127, 255, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #D2691E. + /// + public static readonly Color Chocolate = FromRgba(210, 105, 30, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF7F50. + /// + public static readonly Color Coral = FromRgba(255, 127, 80, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #6495ED. + /// + public static readonly Color CornflowerBlue = FromRgba(100, 149, 237, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFF8DC. + /// + public static readonly Color Cornsilk = FromRgba(255, 248, 220, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #DC143C. + /// + public static readonly Color Crimson = FromRgba(220, 20, 60, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #00FFFF. + /// + public static readonly Color Cyan = FromRgba(0, 255, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #00008B. + /// + public static readonly Color DarkBlue = FromRgba(0, 0, 139, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #008B8B. + /// + public static readonly Color DarkCyan = FromRgba(0, 139, 139, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #B8860B. + /// + public static readonly Color DarkGoldenrod = FromRgba(184, 134, 11, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #A9A9A9. + /// + public static readonly Color DarkGray = FromRgba(169, 169, 169, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #006400. + /// + public static readonly Color DarkGreen = FromRgba(0, 100, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #BDB76B. + /// + public static readonly Color DarkKhaki = FromRgba(189, 183, 107, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #8B008B. + /// + public static readonly Color DarkMagenta = FromRgba(139, 0, 139, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #556B2F. + /// + public static readonly Color DarkOliveGreen = FromRgba(85, 107, 47, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF8C00. + /// + public static readonly Color DarkOrange = FromRgba(255, 140, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #9932CC. + /// + public static readonly Color DarkOrchid = FromRgba(153, 50, 204, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #8B0000. + /// + public static readonly Color DarkRed = FromRgba(139, 0, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #E9967A. + /// + public static readonly Color DarkSalmon = FromRgba(233, 150, 122, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #8FBC8B. + /// + public static readonly Color DarkSeaGreen = FromRgba(143, 188, 139, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #483D8B. + /// + public static readonly Color DarkSlateBlue = FromRgba(72, 61, 139, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #2F4F4F. + /// + public static readonly Color DarkSlateGray = FromRgba(47, 79, 79, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #00CED1. + /// + public static readonly Color DarkTurquoise = FromRgba(0, 206, 209, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #9400D3. + /// + public static readonly Color DarkViolet = FromRgba(148, 0, 211, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF1493. + /// + public static readonly Color DeepPink = FromRgba(255, 20, 147, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #00BFFF. + /// + public static readonly Color DeepSkyBlue = FromRgba(0, 191, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #696969. + /// + public static readonly Color DimGray = FromRgba(105, 105, 105, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #1E90FF. + /// + public static readonly Color DodgerBlue = FromRgba(30, 144, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #B22222. + /// + public static readonly Color Firebrick = FromRgba(178, 34, 34, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFFAF0. + /// + public static readonly Color FloralWhite = FromRgba(255, 250, 240, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #228B22. + /// + public static readonly Color ForestGreen = FromRgba(34, 139, 34, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF00FF. + /// + public static readonly Color Fuchsia = FromRgba(255, 0, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #DCDCDC. + /// + public static readonly Color Gainsboro = FromRgba(220, 220, 220, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F8F8FF. + /// + public static readonly Color GhostWhite = FromRgba(248, 248, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFD700. + /// + public static readonly Color Gold = FromRgba(255, 215, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #DAA520. + /// + public static readonly Color Goldenrod = FromRgba(218, 165, 32, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #808080. + /// + public static readonly Color Gray = FromRgba(128, 128, 128, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #008000. + /// + public static readonly Color Green = FromRgba(0, 128, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #ADFF2F. + /// + public static readonly Color GreenYellow = FromRgba(173, 255, 47, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F0FFF0. + /// + public static readonly Color Honeydew = FromRgba(240, 255, 240, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF69B4. + /// + public static readonly Color HotPink = FromRgba(255, 105, 180, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #CD5C5C. + /// + public static readonly Color IndianRed = FromRgba(205, 92, 92, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #4B0082. + /// + public static readonly Color Indigo = FromRgba(75, 0, 130, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFFFF0. + /// + public static readonly Color Ivory = FromRgba(255, 255, 240, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F0E68C. + /// + public static readonly Color Khaki = FromRgba(240, 230, 140, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #E6E6FA. + /// + public static readonly Color Lavender = FromRgba(230, 230, 250, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFF0F5. + /// + public static readonly Color LavenderBlush = FromRgba(255, 240, 245, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #7CFC00. + /// + public static readonly Color LawnGreen = FromRgba(124, 252, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFFACD. + /// + public static readonly Color LemonChiffon = FromRgba(255, 250, 205, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #ADD8E6. + /// + public static readonly Color LightBlue = FromRgba(173, 216, 230, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F08080. + /// + public static readonly Color LightCoral = FromRgba(240, 128, 128, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #E0FFFF. + /// + public static readonly Color LightCyan = FromRgba(224, 255, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FAFAD2. + /// + public static readonly Color LightGoldenrodYellow = FromRgba(250, 250, 210, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #D3D3D3. + /// + public static readonly Color LightGray = FromRgba(211, 211, 211, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #90EE90. + /// + public static readonly Color LightGreen = FromRgba(144, 238, 144, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFB6C1. + /// + public static readonly Color LightPink = FromRgba(255, 182, 193, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFA07A. + /// + public static readonly Color LightSalmon = FromRgba(255, 160, 122, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #20B2AA. + /// + public static readonly Color LightSeaGreen = FromRgba(32, 178, 170, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #87CEFA. + /// + public static readonly Color LightSkyBlue = FromRgba(135, 206, 250, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #778899. + /// + public static readonly Color LightSlateGray = FromRgba(119, 136, 153, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #B0C4DE. + /// + public static readonly Color LightSteelBlue = FromRgba(176, 196, 222, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFFFE0. + /// + public static readonly Color LightYellow = FromRgba(255, 255, 224, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #00FF00. + /// + public static readonly Color Lime = FromRgba(0, 255, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #32CD32. + /// + public static readonly Color LimeGreen = FromRgba(50, 205, 50, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FAF0E6. + /// + public static readonly Color Linen = FromRgba(250, 240, 230, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF00FF. + /// + public static readonly Color Magenta = FromRgba(255, 0, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #800000. + /// + public static readonly Color Maroon = FromRgba(128, 0, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #66CDAA. + /// + public static readonly Color MediumAquamarine = FromRgba(102, 205, 170, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #0000CD. + /// + public static readonly Color MediumBlue = FromRgba(0, 0, 205, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #BA55D3. + /// + public static readonly Color MediumOrchid = FromRgba(186, 85, 211, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #9370DB. + /// + public static readonly Color MediumPurple = FromRgba(147, 112, 219, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #3CB371. + /// + public static readonly Color MediumSeaGreen = FromRgba(60, 179, 113, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #7B68EE. + /// + public static readonly Color MediumSlateBlue = FromRgba(123, 104, 238, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #00FA9A. + /// + public static readonly Color MediumSpringGreen = FromRgba(0, 250, 154, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #48D1CC. + /// + public static readonly Color MediumTurquoise = FromRgba(72, 209, 204, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #C71585. + /// + public static readonly Color MediumVioletRed = FromRgba(199, 21, 133, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #191970. + /// + public static readonly Color MidnightBlue = FromRgba(25, 25, 112, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F5FFFA. + /// + public static readonly Color MintCream = FromRgba(245, 255, 250, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFE4E1. + /// + public static readonly Color MistyRose = FromRgba(255, 228, 225, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFE4B5. + /// + public static readonly Color Moccasin = FromRgba(255, 228, 181, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFDEAD. + /// + public static readonly Color NavajoWhite = FromRgba(255, 222, 173, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #000080. + /// + public static readonly Color Navy = FromRgba(0, 0, 128, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FDF5E6. + /// + public static readonly Color OldLace = FromRgba(253, 245, 230, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #808000. + /// + public static readonly Color Olive = FromRgba(128, 128, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #6B8E23. + /// + public static readonly Color OliveDrab = FromRgba(107, 142, 35, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFA500. + /// + public static readonly Color Orange = FromRgba(255, 165, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF4500. + /// + public static readonly Color OrangeRed = FromRgba(255, 69, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #DA70D6. + /// + public static readonly Color Orchid = FromRgba(218, 112, 214, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #EEE8AA. + /// + public static readonly Color PaleGoldenrod = FromRgba(238, 232, 170, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #98FB98. + /// + public static readonly Color PaleGreen = FromRgba(152, 251, 152, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #AFEEEE. + /// + public static readonly Color PaleTurquoise = FromRgba(175, 238, 238, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #DB7093. + /// + public static readonly Color PaleVioletRed = FromRgba(219, 112, 147, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFEFD5. + /// + public static readonly Color PapayaWhip = FromRgba(255, 239, 213, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFDAB9. + /// + public static readonly Color PeachPuff = FromRgba(255, 218, 185, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #CD853F. + /// + public static readonly Color Peru = FromRgba(205, 133, 63, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFC0CB. + /// + public static readonly Color Pink = FromRgba(255, 192, 203, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #DDA0DD. + /// + public static readonly Color Plum = FromRgba(221, 160, 221, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #B0E0E6. + /// + public static readonly Color PowderBlue = FromRgba(176, 224, 230, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #800080. + /// + public static readonly Color Purple = FromRgba(128, 0, 128, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #663399. + /// + public static readonly Color RebeccaPurple = FromRgba(102, 51, 153, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF0000. + /// + public static readonly Color Red = FromRgba(255, 0, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #BC8F8F. + /// + public static readonly Color RosyBrown = FromRgba(188, 143, 143, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #4169E1. + /// + public static readonly Color RoyalBlue = FromRgba(65, 105, 225, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #8B4513. + /// + public static readonly Color SaddleBrown = FromRgba(139, 69, 19, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FA8072. + /// + public static readonly Color Salmon = FromRgba(250, 128, 114, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F4A460. + /// + public static readonly Color SandyBrown = FromRgba(244, 164, 96, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #2E8B57. + /// + public static readonly Color SeaGreen = FromRgba(46, 139, 87, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFF5EE. + /// + public static readonly Color SeaShell = FromRgba(255, 245, 238, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #A0522D. + /// + public static readonly Color Sienna = FromRgba(160, 82, 45, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #C0C0C0. + /// + public static readonly Color Silver = FromRgba(192, 192, 192, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #87CEEB. + /// + public static readonly Color SkyBlue = FromRgba(135, 206, 235, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #6A5ACD. + /// + public static readonly Color SlateBlue = FromRgba(106, 90, 205, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #708090. + /// + public static readonly Color SlateGray = FromRgba(112, 128, 144, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFFAFA. + /// + public static readonly Color Snow = FromRgba(255, 250, 250, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #00FF7F. + /// + public static readonly Color SpringGreen = FromRgba(0, 255, 127, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #4682B4. + /// + public static readonly Color SteelBlue = FromRgba(70, 130, 180, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #D2B48C. + /// + public static readonly Color Tan = FromRgba(210, 180, 140, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #008080. + /// + public static readonly Color Teal = FromRgba(0, 128, 128, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #D8BFD8. + /// + public static readonly Color Thistle = FromRgba(216, 191, 216, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FF6347. + /// + public static readonly Color Tomato = FromRgba(255, 99, 71, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFFFFF. + /// + public static readonly Color Transparent = FromRgba(255, 255, 255, 0); + + /// + /// Represents a matching the W3C definition that has an hex value of #40E0D0. + /// + public static readonly Color Turquoise = FromRgba(64, 224, 208, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #EE82EE. + /// + public static readonly Color Violet = FromRgba(238, 130, 238, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F5DEB3. + /// + public static readonly Color Wheat = FromRgba(245, 222, 179, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFFFFF. + /// + public static readonly Color White = FromRgba(255, 255, 255, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #F5F5F5. + /// + public static readonly Color WhiteSmoke = FromRgba(245, 245, 245, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #FFFF00. + /// + public static readonly Color Yellow = FromRgba(255, 255, 0, 255); + + /// + /// Represents a matching the W3C definition that has an hex value of #9ACD32. + /// + public static readonly Color YellowGreen = FromRgba(154, 205, 50, 255); + } +} \ No newline at end of file diff --git a/tests/ImageSharp.Tests/Processing/Binarization/BinaryDitherTest.cs b/tests/ImageSharp.Tests/Processing/Binarization/BinaryDitherTest.cs index 5f6e825f6..dcbf0ca03 100644 --- a/tests/ImageSharp.Tests/Processing/Binarization/BinaryDitherTest.cs +++ b/tests/ImageSharp.Tests/Processing/Binarization/BinaryDitherTest.cs @@ -25,38 +25,38 @@ namespace SixLabors.ImageSharp.Tests.Processing.Binarization public void BinaryDither_CorrectProcessor() { this.operations.BinaryDither(this.orderedDither); - BinaryOrderedDitherProcessor p = this.Verify>(); + BinaryOrderedDitherProcessor p = this.Verify(); Assert.Equal(this.orderedDither, p.Dither); - Assert.Equal(NamedColors.White, p.UpperColor); - Assert.Equal(NamedColors.Black, p.LowerColor); + Assert.Equal(Color.White, p.UpperColor); + Assert.Equal(Color.Black, p.LowerColor); } [Fact] public void BinaryDither_rect_CorrectProcessor() { this.operations.BinaryDither(this.orderedDither, this.rect); - BinaryOrderedDitherProcessor p = this.Verify>(this.rect); + BinaryOrderedDitherProcessor p = this.Verify(this.rect); Assert.Equal(this.orderedDither, p.Dither); - Assert.Equal(NamedColors.White, p.UpperColor); - Assert.Equal(NamedColors.Black, p.LowerColor); + Assert.Equal(Color.White, p.UpperColor); + Assert.Equal(Color.Black, p.LowerColor); } [Fact] public void BinaryDither_index_CorrectProcessor() { - this.operations.BinaryDither(this.orderedDither, NamedColors.Yellow, NamedColors.HotPink); - BinaryOrderedDitherProcessor p = this.Verify>(); + this.operations.BinaryDither(this.orderedDither, Color.Yellow, Color.HotPink); + BinaryOrderedDitherProcessor p = this.Verify(); Assert.Equal(this.orderedDither, p.Dither); - Assert.Equal(NamedColors.Yellow, p.UpperColor); - Assert.Equal(NamedColors.HotPink, p.LowerColor); + Assert.Equal(Color.Yellow, p.UpperColor); + Assert.Equal(Color.HotPink, p.LowerColor); } [Fact] public void BinaryDither_index_rect_CorrectProcessor() { - this.operations.BinaryDither(this.orderedDither, NamedColors.Yellow, NamedColors.HotPink, this.rect); - BinaryOrderedDitherProcessor p = this.Verify>(this.rect); + this.operations.BinaryDither(this.orderedDither, Color.Yellow, Color.HotPink, this.rect); + BinaryOrderedDitherProcessor p = this.Verify(this.rect); Assert.Equal(this.orderedDither, p.Dither); - Assert.Equal(NamedColors.HotPink, p.LowerColor); + Assert.Equal(Color.HotPink, p.LowerColor); } @@ -64,44 +64,44 @@ namespace SixLabors.ImageSharp.Tests.Processing.Binarization public void BinaryDither_ErrorDiffuser_CorrectProcessor() { this.operations.BinaryDiffuse(this.errorDiffuser, .4F); - BinaryErrorDiffusionProcessor p = this.Verify>(); + BinaryErrorDiffusionProcessor p = this.Verify(); Assert.Equal(this.errorDiffuser, p.Diffuser); Assert.Equal(.4F, p.Threshold); - Assert.Equal(NamedColors.White, p.UpperColor); - Assert.Equal(NamedColors.Black, p.LowerColor); + Assert.Equal(Color.White, p.UpperColor); + Assert.Equal(Color.Black, p.LowerColor); } [Fact] public void BinaryDither_ErrorDiffuser_rect_CorrectProcessor() { this.operations.BinaryDiffuse(this.errorDiffuser, .3F, this.rect); - BinaryErrorDiffusionProcessor p = this.Verify>(this.rect); + BinaryErrorDiffusionProcessor p = this.Verify(this.rect); Assert.Equal(this.errorDiffuser, p.Diffuser); Assert.Equal(.3F, p.Threshold); - Assert.Equal(NamedColors.White, p.UpperColor); - Assert.Equal(NamedColors.Black, p.LowerColor); + Assert.Equal(Color.White, p.UpperColor); + Assert.Equal(Color.Black, p.LowerColor); } [Fact] public void BinaryDither_ErrorDiffuser_CorrectProcessorWithColors() { - this.operations.BinaryDiffuse(this.errorDiffuser, .5F, NamedColors.HotPink, NamedColors.Yellow); - BinaryErrorDiffusionProcessor p = this.Verify>(); + this.operations.BinaryDiffuse(this.errorDiffuser, .5F, Color.HotPink, Color.Yellow); + BinaryErrorDiffusionProcessor p = this.Verify(); Assert.Equal(this.errorDiffuser, p.Diffuser); Assert.Equal(.5F, p.Threshold); - Assert.Equal(NamedColors.HotPink, p.UpperColor); - Assert.Equal(NamedColors.Yellow, p.LowerColor); + Assert.Equal(Color.HotPink, p.UpperColor); + Assert.Equal(Color.Yellow, p.LowerColor); } [Fact] public void BinaryDither_ErrorDiffuser_rect_CorrectProcessorWithColors() { - this.operations.BinaryDiffuse(this.errorDiffuser, .5F, NamedColors.HotPink, NamedColors.Yellow, this.rect); - BinaryErrorDiffusionProcessor p = this.Verify>(this.rect); + this.operations.BinaryDiffuse(this.errorDiffuser, .5F, Color.HotPink, Color.Yellow, this.rect); + BinaryErrorDiffusionProcessor p = this.Verify(this.rect); Assert.Equal(this.errorDiffuser, p.Diffuser); Assert.Equal(.5F, p.Threshold); - Assert.Equal(NamedColors.HotPink, p.UpperColor); - Assert.Equal(NamedColors.Yellow, p.LowerColor); + Assert.Equal(Color.HotPink, p.UpperColor); + Assert.Equal(Color.Yellow, p.LowerColor); } } } \ No newline at end of file diff --git a/tests/ImageSharp.Tests/Processing/Binarization/BinaryThresholdTest.cs b/tests/ImageSharp.Tests/Processing/Binarization/BinaryThresholdTest.cs index 569c4ba21..f0fcba181 100644 --- a/tests/ImageSharp.Tests/Processing/Binarization/BinaryThresholdTest.cs +++ b/tests/ImageSharp.Tests/Processing/Binarization/BinaryThresholdTest.cs @@ -15,40 +15,40 @@ namespace SixLabors.ImageSharp.Tests.Processing.Binarization public void BinaryThreshold_CorrectProcessor() { this.operations.BinaryThreshold(.23f); - BinaryThresholdProcessor p = this.Verify>(); + BinaryThresholdProcessor p = this.Verify(); Assert.Equal(.23f, p.Threshold); - Assert.Equal(NamedColors.White, p.UpperColor); - Assert.Equal(NamedColors.Black, p.LowerColor); + Assert.Equal(Color.White, p.UpperColor); + Assert.Equal(Color.Black, p.LowerColor); } [Fact] public void BinaryThreshold_rect_CorrectProcessor() { this.operations.BinaryThreshold(.93f, this.rect); - BinaryThresholdProcessor p = this.Verify>(this.rect); + BinaryThresholdProcessor p = this.Verify(this.rect); Assert.Equal(.93f, p.Threshold); - Assert.Equal(NamedColors.White, p.UpperColor); - Assert.Equal(NamedColors.Black, p.LowerColor); + Assert.Equal(Color.White, p.UpperColor); + Assert.Equal(Color.Black, p.LowerColor); } [Fact] public void BinaryThreshold_CorrectProcessorWithUpperLower() { - this.operations.BinaryThreshold(.23f, NamedColors.HotPink, NamedColors.Yellow); - BinaryThresholdProcessor p = this.Verify>(); + this.operations.BinaryThreshold(.23f, Color.HotPink, Color.Yellow); + BinaryThresholdProcessor p = this.Verify(); Assert.Equal(.23f, p.Threshold); - Assert.Equal(NamedColors.HotPink, p.UpperColor); - Assert.Equal(NamedColors.Yellow, p.LowerColor); + Assert.Equal(Color.HotPink, p.UpperColor); + Assert.Equal(Color.Yellow, p.LowerColor); } [Fact] public void BinaryThreshold_rect_CorrectProcessorWithUpperLower() { - this.operations.BinaryThreshold(.93f, NamedColors.HotPink, NamedColors.Yellow, this.rect); - BinaryThresholdProcessor p = this.Verify>(this.rect); + this.operations.BinaryThreshold(.93f, Color.HotPink, Color.Yellow, this.rect); + BinaryThresholdProcessor p = this.Verify(this.rect); Assert.Equal(.93f, p.Threshold); - Assert.Equal(NamedColors.HotPink, p.UpperColor); - Assert.Equal(NamedColors.Yellow, p.LowerColor); + Assert.Equal(Color.HotPink, p.UpperColor); + Assert.Equal(Color.Yellow, p.LowerColor); } } } \ No newline at end of file