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89 lines
3.9 KiB
89 lines
3.9 KiB
// <copyright file="Glow.cs" company="James Jackson-South">
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// Copyright (c) James Jackson-South and contributors.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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namespace ImageSharp
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{
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using System;
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using Processing.Processors;
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/// <summary>
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/// Extension methods for the <see cref="Image{TColor}"/> type.
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/// </summary>
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public static partial class ImageExtensions
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{
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/// <summary>
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/// Applies a radial glow effect to an image.
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/// </summary>
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/// <typeparam name="TColor">The pixel format.</typeparam>
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/// <param name="source">The image this method extends.</param>
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/// <returns>The <see cref="Image{TColor}"/>.</returns>
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public static Image<TColor> Glow<TColor>(this Image<TColor> source)
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where TColor : struct, IPackedPixel, IEquatable<TColor>
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{
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return Glow(source, NamedColors<TColor>.Black, source.Bounds.Width * .5F, source.Bounds);
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}
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/// <summary>
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/// Applies a radial glow effect to an image.
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/// </summary>
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/// <typeparam name="TColor">The pixel format.</typeparam>
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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 glow.</param>
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/// <returns>The <see cref="Image{TColor}"/>.</returns>
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public static Image<TColor> Glow<TColor>(this Image<TColor> source, TColor color)
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where TColor : struct, IPackedPixel, IEquatable<TColor>
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{
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return Glow(source, color, source.Bounds.Width * .5F, source.Bounds);
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}
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/// <summary>
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/// Applies a radial glow effect to an image.
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/// </summary>
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/// <typeparam name="TColor">The pixel format.</typeparam>
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/// <param name="source">The image this method extends.</param>
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/// <param name="radius">The the radius.</param>
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/// <returns>The <see cref="Image{TColor}"/>.</returns>
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public static Image<TColor> Glow<TColor>(this Image<TColor> source, float radius)
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where TColor : struct, IPackedPixel, IEquatable<TColor>
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{
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return Glow(source, NamedColors<TColor>.Black, radius, source.Bounds);
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}
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/// <summary>
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/// Applies a radial glow effect to an image.
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/// </summary>
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/// <typeparam name="TColor">The pixel format.</typeparam>
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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="Image{TColor}"/>.</returns>
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public static Image<TColor> Glow<TColor>(this Image<TColor> source, Rectangle rectangle)
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where TColor : struct, IPackedPixel, IEquatable<TColor>
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{
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return Glow(source, NamedColors<TColor>.Black, 0, rectangle);
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}
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/// <summary>
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/// Applies a radial glow effect to an image.
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/// </summary>
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/// <typeparam name="TColor">The pixel format.</typeparam>
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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 glow.</param>
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/// <param name="radius">The the 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="Image{TColor}"/>.</returns>
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public static Image<TColor> Glow<TColor>(this Image<TColor> source, TColor color, float radius, Rectangle rectangle)
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where TColor : struct, IPackedPixel, IEquatable<TColor>
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{
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GlowProcessor<TColor> processor = new GlowProcessor<TColor>(color) { Radius = radius, };
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source.ApplyProcessor(processor, rectangle);
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return source;
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}
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}
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}
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