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66 lines
3.6 KiB
66 lines
3.6 KiB
// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using SixLabors.ImageSharp.PixelFormats;
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using SixLabors.ImageSharp.Processing.Drawing.Brushes;
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using SixLabors.Primitives;
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using SixLabors.Shapes;
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namespace SixLabors.ImageSharp.Processing.Drawing
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{
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/// <summary>
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/// Adds extensions that allow the filling of closed linear polygons to the <see cref="Image{TPixel}"/> type.
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/// </summary>
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public static class FillPolygonExtensions
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{
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/// <summary>
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/// Flood fills the image in the shape of a Linear polygon described by the points
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/// </summary>
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/// <typeparam name="TPixel">The type of the color.</typeparam>
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/// <param name="source">The image this method extends.</param>
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/// <param name="brush">The brush.</param>
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/// <param name="points">The points.</param>
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/// <param name="options">The options.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static IImageProcessingContext<TPixel> FillPolygon<TPixel>(this IImageProcessingContext<TPixel> source, IBrush<TPixel> brush, PointF[] points, GraphicsOptions options)
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where TPixel : struct, IPixel<TPixel>
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=> source.Fill(brush, new Polygon(new LinearLineSegment(points)), options);
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/// <summary>
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/// Flood fills the image in the shape of a Linear polygon described by the points
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/// </summary>
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/// <typeparam name="TPixel">The type of the color.</typeparam>
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/// <param name="source">The image this method extends.</param>
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/// <param name="brush">The brush.</param>
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/// <param name="points">The points.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static IImageProcessingContext<TPixel> FillPolygon<TPixel>(this IImageProcessingContext<TPixel> source, IBrush<TPixel> brush, PointF[] points)
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where TPixel : struct, IPixel<TPixel>
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=> source.Fill(brush, new Polygon(new LinearLineSegment(points)));
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/// <summary>
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/// Flood fills the image in the shape of a Linear polygon described by the points
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/// </summary>
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/// <typeparam name="TPixel">The type of the color.</typeparam>
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/// <param name="source">The image this method extends.</param>
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/// <param name="color">The color.</param>
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/// <param name="points">The points.</param>
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/// <param name="options">The options.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static IImageProcessingContext<TPixel> FillPolygon<TPixel>(this IImageProcessingContext<TPixel> source, TPixel color, PointF[] points, GraphicsOptions options)
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where TPixel : struct, IPixel<TPixel>
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=> source.Fill(new SolidBrush<TPixel>(color), new Polygon(new LinearLineSegment(points)), options);
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/// <summary>
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/// Flood fills the image in the shape of a Linear polygon described by the points
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/// </summary>
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/// <typeparam name="TPixel">The type of the color.</typeparam>
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/// <param name="source">The image this method extends.</param>
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/// <param name="color">The color.</param>
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/// <param name="points">The points.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static IImageProcessingContext<TPixel> FillPolygon<TPixel>(this IImageProcessingContext<TPixel> source, TPixel color, PointF[] points)
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where TPixel : struct, IPixel<TPixel>
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=> source.Fill(new SolidBrush<TPixel>(color), new Polygon(new LinearLineSegment(points)));
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}
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}
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