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71 lines
3.6 KiB
71 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 System;
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using SixLabors.ImageSharp.PixelFormats;
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using SixLabors.ImageSharp.Processing.Drawing.Brushes;
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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 polygons with various brushes to the <see cref="Image{TPixel}"/> type.
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/// </summary>
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public static class FillPathBuilderExtensions
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{
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/// <summary>
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/// Flood fills the image in the shape of the provided polygon with the specified brush.
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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="path">The shape.</param>
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/// <param name="options">The graphics options.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static IImageProcessingContext<TPixel> Fill<TPixel>(this IImageProcessingContext<TPixel> source, IBrush<TPixel> brush, Action<PathBuilder> path, GraphicsOptions options)
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where TPixel : struct, IPixel<TPixel>
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{
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var pb = new PathBuilder();
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path(pb);
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return source.Fill(brush, pb.Build(), options);
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}
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/// <summary>
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/// Flood fills the image in the shape of the provided polygon with the specified brush.
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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="path">The path.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static IImageProcessingContext<TPixel> Fill<TPixel>(this IImageProcessingContext<TPixel> source, IBrush<TPixel> brush, Action<PathBuilder> path)
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where TPixel : struct, IPixel<TPixel>
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=> source.Fill(brush, path, GraphicsOptions.Default);
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/// <summary>
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/// Flood fills the image in the shape of the provided polygon with the specified brush.
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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="path">The path.</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> Fill<TPixel>(this IImageProcessingContext<TPixel> source, TPixel color, Action<PathBuilder> path, GraphicsOptions options)
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where TPixel : struct, IPixel<TPixel>
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=> source.Fill(new SolidBrush<TPixel>(color), path, options);
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/// <summary>
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/// Flood fills the image in the shape of the provided polygon with the specified brush.
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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="path">The path.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static IImageProcessingContext<TPixel> Fill<TPixel>(this IImageProcessingContext<TPixel> source, TPixel color, Action<PathBuilder> path)
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where TPixel : struct, IPixel<TPixel>
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=> source.Fill(new SolidBrush<TPixel>(color), path);
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}
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}
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