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179 lines
8.4 KiB
179 lines
8.4 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.Primitives;
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using SixLabors.ImageSharp.Processing.Processors.Overlays;
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using SixLabors.Primitives;
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namespace SixLabors.ImageSharp.Processing
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{
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/// <summary>
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/// Defines extensions that allow the application of a radial glow to an <see cref="Image"/>
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/// using Mutate/Clone.
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/// </summary>
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public static class VignetteExtensions
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{
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(this IImageProcessingContext source) =>
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Vignette(source, new GraphicsOptions());
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="color">The color to set as the vignette.</param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(this IImageProcessingContext source, Color color) =>
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Vignette(source, new GraphicsOptions(), color);
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="radiusX">The the x-radius.</param>
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/// <param name="radiusY">The the y-radius.</param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(
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this IImageProcessingContext source,
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float radiusX,
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float radiusY) =>
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Vignette(source, new GraphicsOptions(), radiusX, radiusY);
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="rectangle">
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/// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
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/// </param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(this IImageProcessingContext source, Rectangle rectangle) =>
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Vignette(source, new GraphicsOptions(), rectangle);
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="color">The color to set as the vignette.</param>
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/// <param name="radiusX">The the x-radius.</param>
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/// <param name="radiusY">The the y-radius.</param>
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/// <param name="rectangle">
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/// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
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/// </param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(
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this IImageProcessingContext source,
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Color color,
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float radiusX,
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float radiusY,
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Rectangle rectangle) =>
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source.Vignette(new GraphicsOptions(), color, radiusX, radiusY, rectangle);
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="options">The options effecting pixel blending.</param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(this IImageProcessingContext source, GraphicsOptions options) =>
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source.VignetteInternal(
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options,
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Color.Black,
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ValueSize.PercentageOfWidth(.5f),
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ValueSize.PercentageOfHeight(.5f));
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="options">The options effecting pixel blending.</param>
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/// <param name="color">The color to set as the vignette.</param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(
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this IImageProcessingContext source,
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GraphicsOptions options,
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Color color) =>
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source.VignetteInternal(
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options,
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color,
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ValueSize.PercentageOfWidth(.5f),
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ValueSize.PercentageOfHeight(.5f));
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="options">The options effecting pixel blending.</param>
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/// <param name="radiusX">The the x-radius.</param>
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/// <param name="radiusY">The the y-radius.</param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(
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this IImageProcessingContext source,
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GraphicsOptions options,
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float radiusX,
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float radiusY) =>
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source.VignetteInternal(options, Color.Black, radiusX, radiusY);
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="options">The options effecting pixel blending.</param>
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/// <param name="rectangle">
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/// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
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/// </param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(
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this IImageProcessingContext source,
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GraphicsOptions options,
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Rectangle rectangle) =>
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source.VignetteInternal(
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options,
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Color.Black,
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ValueSize.PercentageOfWidth(.5f),
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ValueSize.PercentageOfHeight(.5f),
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rectangle);
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/// <summary>
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/// Applies a radial vignette effect to an image.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="options">The options effecting pixel blending.</param>
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/// <param name="color">The color to set as the vignette.</param>
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/// <param name="radiusX">The the x-radius.</param>
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/// <param name="radiusY">The the y-radius.</param>
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/// <param name="rectangle">
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/// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
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/// </param>
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/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
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public static IImageProcessingContext Vignette(
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this IImageProcessingContext source,
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GraphicsOptions options,
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Color color,
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float radiusX,
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float radiusY,
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Rectangle rectangle) =>
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source.VignetteInternal(options, color, radiusX, radiusY, rectangle);
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private static IImageProcessingContext VignetteInternal(
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this IImageProcessingContext source,
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GraphicsOptions options,
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Color color,
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ValueSize radiusX,
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ValueSize radiusY,
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Rectangle rectangle) =>
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source.ApplyProcessor(new VignetteProcessor(color, radiusX, radiusY, options), rectangle);
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private static IImageProcessingContext VignetteInternal(
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this IImageProcessingContext source,
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GraphicsOptions options,
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Color color,
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ValueSize radiusX,
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ValueSize radiusY) =>
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source.ApplyProcessor(new VignetteProcessor(color, radiusX, radiusY, options));
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}
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}
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