mirror of https://github.com/SixLabors/ImageSharp
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10 changed files with 797 additions and 218 deletions
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// <copyright file="DrawPath.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 Drawing; |
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using Drawing.Brushes; |
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using Drawing.Pens; |
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using ImageSharp.PixelFormats; |
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using SixLabors.Shapes; |
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/// <summary>
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/// Extension methods for the <see cref="Image{TPixel}"/> 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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/// Draws the outline of the polygon with the provided pen.
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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="pen">The pen.</param>
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/// <param name="paths">The paths.</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 Image<TPixel> Draw<TPixel>(this Image<TPixel> source, IPen<TPixel> pen, IPathCollection paths, GraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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foreach (IPath path in paths) |
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{ |
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source.Draw(pen, path, options); |
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} |
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return source; |
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} |
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/// <summary>
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/// Draws the outline of the polygon with the provided pen.
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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="pen">The pen.</param>
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/// <param name="paths">The paths.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static Image<TPixel> Draw<TPixel>(this Image<TPixel> source, IPen<TPixel> pen, IPathCollection paths) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.Draw(pen, paths, GraphicsOptions.Default); |
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} |
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/// <summary>
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/// Draws the outline of the polygon with the provided brush at the provided thickness.
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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="thickness">The thickness.</param>
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/// <param name="paths">The shapes.</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 Image<TPixel> Draw<TPixel>(this Image<TPixel> source, IBrush<TPixel> brush, float thickness, IPathCollection paths, GraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.Draw(new Pen<TPixel>(brush, thickness), paths, options); |
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} |
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/// <summary>
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/// Draws the outline of the polygon with the provided brush at the provided thickness.
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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="thickness">The thickness.</param>
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/// <param name="paths">The paths.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static Image<TPixel> Draw<TPixel>(this Image<TPixel> source, IBrush<TPixel> brush, float thickness, IPathCollection paths) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.Draw(new Pen<TPixel>(brush, thickness), paths); |
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} |
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/// <summary>
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/// Draws the outline of the polygon with the provided brush at the provided thickness.
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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="thickness">The thickness.</param>
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/// <param name="paths">The paths.</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 Image<TPixel> Draw<TPixel>(this Image<TPixel> source, TPixel color, float thickness, IPathCollection paths, GraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.Draw(new SolidBrush<TPixel>(color), thickness, paths, options); |
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} |
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/// <summary>
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/// Draws the outline of the polygon with the provided brush at the provided thickness.
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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="thickness">The thickness.</param>
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/// <param name="paths">The paths.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static Image<TPixel> Draw<TPixel>(this Image<TPixel> source, TPixel color, float thickness, IPathCollection paths) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.Draw(new SolidBrush<TPixel>(color), thickness, paths); |
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} |
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} |
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} |
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// <copyright file="FillPaths.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 Drawing; |
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using Drawing.Brushes; |
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using ImageSharp.PixelFormats; |
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using SixLabors.Shapes; |
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/// <summary>
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/// Extension methods for the <see cref="Image{TPixel}"/> 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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/// 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="paths">The shapes.</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 Image<TPixel> Fill<TPixel>(this Image<TPixel> source, IBrush<TPixel> brush, IPathCollection paths, GraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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foreach (IPath s in paths) |
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{ |
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source.Fill(brush, s, options); |
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} |
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return source; |
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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="paths">The paths.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static Image<TPixel> Fill<TPixel>(this Image<TPixel> source, IBrush<TPixel> brush, IPathCollection paths) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.Fill(brush, paths, GraphicsOptions.Default); |
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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="color">The color.</param>
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/// <param name="paths">The paths.</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 Image<TPixel> Fill<TPixel>(this Image<TPixel> source, TPixel color, IPathCollection paths, GraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.Fill(new SolidBrush<TPixel>(color), paths, 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="color">The color.</param>
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/// <param name="paths">The paths.</param>
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/// <returns>The <see cref="Image{TPixel}"/>.</returns>
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public static Image<TPixel> Fill<TPixel>(this Image<TPixel> source, TPixel color, IPathCollection paths) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.Fill(new SolidBrush<TPixel>(color), paths); |
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} |
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} |
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} |
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// <copyright file="DrawText.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.Numerics; |
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using Drawing; |
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using Drawing.Brushes; |
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using Drawing.Pens; |
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using ImageSharp.PixelFormats; |
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using SixLabors.Fonts; |
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using SixLabors.Shapes; |
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/// <summary>
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/// Extension methods for the <see cref="Image{TPixel}"/> 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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/// Draws the text onto the the image filled via the 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="text">The text.</param>
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/// <param name="font">The font.</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>
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/// The <see cref="Image{TPixel}" />.
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/// </returns>
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public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, TPixel color, IPath path) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.DrawText(text, font, color, path, TextGraphicsOptions.Default); |
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} |
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/// <summary>
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/// Draws the text onto the the image filled via the 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="text">The text.</param>
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/// <param name="font">The font.</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>
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/// The <see cref="Image{TPixel}" />.
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/// </returns>
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public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, TPixel color, IPath path, TextGraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.DrawText(text, font, Brushes.Solid(color), null, path, options); |
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} |
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/// <summary>
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/// Draws the text onto the the image filled via the 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="text">The text.</param>
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/// <param name="font">The font.</param>
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/// <param name="brush">The brush.</param>
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/// <param name="path">The location.</param>
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/// <returns>
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/// The <see cref="Image{TPixel}" />.
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/// </returns>
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public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IBrush<TPixel> brush, IPath path) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.DrawText(text, font, brush, path, TextGraphicsOptions.Default); |
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} |
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/// <summary>
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/// Draws the text onto the the image filled via the 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="text">The text.</param>
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/// <param name="font">The font.</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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/// <param name="options">The options.</param>
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/// <returns>
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/// The <see cref="Image{TPixel}" />.
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/// </returns>
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public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IBrush<TPixel> brush, IPath path, TextGraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.DrawText(text, font, brush, null, path, options); |
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} |
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/// <summary>
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/// Draws the text onto the the image outlined via the pen.
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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="text">The text.</param>
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/// <param name="font">The font.</param>
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/// <param name="pen">The pen.</param>
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/// <param name="path">The path.</param>
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/// <returns>
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/// The <see cref="Image{TPixel}" />.
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/// </returns>
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public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IPen<TPixel> pen, IPath path) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.DrawText(text, font, pen, path, TextGraphicsOptions.Default); |
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} |
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/// <summary>
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/// Draws the text onto the the image outlined via the pen.
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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="text">The text.</param>
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/// <param name="font">The font.</param>
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/// <param name="pen">The pen.</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>
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/// The <see cref="Image{TPixel}" />.
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/// </returns>
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public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IPen<TPixel> pen, IPath path, TextGraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.DrawText(text, font, null, pen, path, options); |
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} |
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/// <summary>
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/// Draws the text onto the the image filled via the brush then outlined via the pen.
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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="text">The text.</param>
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/// <param name="font">The font.</param>
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/// <param name="brush">The brush.</param>
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/// <param name="pen">The pen.</param>
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/// <param name="path">The path.</param>
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/// <returns>
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/// The <see cref="Image{TPixel}" />.
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/// </returns>
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public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IBrush<TPixel> brush, IPen<TPixel> pen, IPath path) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return source.DrawText(text, font, brush, pen, path, TextGraphicsOptions.Default); |
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} |
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/// <summary>
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/// Draws the text onto the the image filled via the brush then outlined via the pen.
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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="text">The text.</param>
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/// <param name="font">The font.</param>
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/// <param name="brush">The brush.</param>
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/// <param name="pen">The pen.</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>
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/// The <see cref="Image{TPixel}" />.
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/// </returns>
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public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IBrush<TPixel> brush, IPen<TPixel> pen, IPath path, TextGraphicsOptions options) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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Vector2 dpi = DefaultTextDpi; |
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if (options.UseImageResolution) |
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{ |
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dpi = new Vector2((float)source.MetaData.HorizontalResolution, (float)source.MetaData.VerticalResolution); |
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} |
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var style = new FontSpan(font, dpi) |
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{ |
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ApplyKerning = options.ApplyKerning, |
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TabWidth = options.TabWidth, |
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WrappingWidth = options.WrapTextWidth, |
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HorizontalAlignment = options.HorizontalAlignment, |
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VerticalAlignment = options.VerticalAlignment |
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}; |
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IPathCollection glyphs = TextBuilder.GenerateGlyphs(text, path, style); |
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var pathOptions = (GraphicsOptions)options; |
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if (brush != null) |
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{ |
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source.Fill(brush, glyphs, pathOptions); |
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} |
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if (pen != null) |
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{ |
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source.Draw(pen, glyphs, pathOptions); |
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} |
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return source; |
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} |
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} |
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} |
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@ -1,127 +0,0 @@ |
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// <copyright file="GlyphBuilder.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.Drawing |
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{ |
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using System.Collections.Generic; |
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using System.Numerics; |
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using SixLabors.Fonts; |
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using SixLabors.Shapes; |
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/// <summary>
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/// rendering surface that Fonts can use to generate Shapes.
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/// </summary>
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internal class GlyphBuilder : IGlyphRenderer |
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{ |
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private readonly PathBuilder builder = new PathBuilder(); |
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private readonly List<IPath> paths = new List<IPath>(); |
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private Vector2 currentPoint = default(Vector2); |
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/// <summary>
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/// Initializes a new instance of the <see cref="GlyphBuilder"/> class.
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/// </summary>
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public GlyphBuilder() |
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: this(Vector2.Zero) |
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{ |
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// glyphs are renderd realative to bottom left so invert the Y axis to allow it to render on top left origin surface
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this.builder = new PathBuilder(); |
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} |
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/// <summary>
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/// Initializes a new instance of the <see cref="GlyphBuilder"/> class.
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/// </summary>
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/// <param name="origin">The origin.</param>
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public GlyphBuilder(Vector2 origin) |
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{ |
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this.builder = new PathBuilder(); |
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this.builder.SetOrigin(origin); |
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} |
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/// <summary>
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/// Gets the paths that have been rendered by this.
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/// </summary>
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public IEnumerable<IPath> Paths => this.paths; |
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/// <summary>
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/// Begins the glyph.
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/// </summary>
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/// <param name="location">The offset that the glyph will be rendered at.</param>
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void IGlyphRenderer.BeginGlyph(Vector2 location) |
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{ |
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this.builder.Clear(); |
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} |
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/// <summary>
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/// Begins the figure.
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/// </summary>
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void IGlyphRenderer.BeginFigure() |
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{ |
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this.builder.StartFigure(); |
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} |
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|
|||
/// <summary>
|
|||
/// Draws a cubic bezier from the current point to the <paramref name="point"/>
|
|||
/// </summary>
|
|||
/// <param name="secondControlPoint">The second control point.</param>
|
|||
/// <param name="thirdControlPoint">The third control point.</param>
|
|||
/// <param name="point">The point.</param>
|
|||
void IGlyphRenderer.CubicBezierTo(Vector2 secondControlPoint, Vector2 thirdControlPoint, Vector2 point) |
|||
{ |
|||
this.builder.AddBezier(this.currentPoint, secondControlPoint, thirdControlPoint, point); |
|||
this.currentPoint = point; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Ends the glyph.
|
|||
/// </summary>
|
|||
void IGlyphRenderer.EndGlyph() |
|||
{ |
|||
this.paths.Add(this.builder.Build()); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Ends the figure.
|
|||
/// </summary>
|
|||
void IGlyphRenderer.EndFigure() |
|||
{ |
|||
this.builder.CloseFigure(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Draws a line from the current point to the <paramref name="point"/>.
|
|||
/// </summary>
|
|||
/// <param name="point">The point.</param>
|
|||
void IGlyphRenderer.LineTo(Vector2 point) |
|||
{ |
|||
this.builder.AddLine(this.currentPoint, point); |
|||
this.currentPoint = point; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Moves to current point to the supplied vector.
|
|||
/// </summary>
|
|||
/// <param name="point">The point.</param>
|
|||
void IGlyphRenderer.MoveTo(Vector2 point) |
|||
{ |
|||
this.builder.StartFigure(); |
|||
this.currentPoint = point; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Draws a quadratics bezier from the current point to the <paramref name="point"/>
|
|||
/// </summary>
|
|||
/// <param name="secondControlPoint">The second control point.</param>
|
|||
/// <param name="point">The point.</param>
|
|||
void IGlyphRenderer.QuadraticBezierTo(Vector2 secondControlPoint, Vector2 point) |
|||
{ |
|||
Vector2 c1 = (((secondControlPoint - this.currentPoint) * 2) / 3) + this.currentPoint; |
|||
Vector2 c2 = (((secondControlPoint - point) * 2) / 3) + point; |
|||
|
|||
this.builder.AddBezier(this.currentPoint, c1, c2, point); |
|||
this.currentPoint = point; |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,131 @@ |
|||
|
|||
namespace ImageSharp.Tests.Drawing.Paths |
|||
{ |
|||
using System; |
|||
using ImageSharp; |
|||
using ImageSharp.Drawing.Brushes; |
|||
using Xunit; |
|||
using ImageSharp.Drawing; |
|||
using System.Numerics; |
|||
using SixLabors.Shapes; |
|||
using ImageSharp.Drawing.Processors; |
|||
using ImageSharp.PixelFormats; |
|||
|
|||
public class FillPathCollection : IDisposable |
|||
{ |
|||
GraphicsOptions noneDefault = new GraphicsOptions(); |
|||
Rgba32 color = Rgba32.HotPink; |
|||
SolidBrush<Rgba32> brush = Brushes.Solid(Rgba32.HotPink); |
|||
IPath path1 = new SixLabors.Shapes.Path(new LinearLineSegment(new Vector2[] { |
|||
new Vector2(10,10), |
|||
new Vector2(20,10), |
|||
new Vector2(20,10), |
|||
new Vector2(30,10), |
|||
})); |
|||
IPath path2 = new SixLabors.Shapes.Path(new LinearLineSegment(new Vector2[] { |
|||
new Vector2(10,10), |
|||
new Vector2(20,10), |
|||
new Vector2(20,10), |
|||
new Vector2(30,10), |
|||
})); |
|||
|
|||
IPathCollection pathCollection; |
|||
|
|||
private ProcessorWatchingImage img; |
|||
|
|||
public FillPathCollection() |
|||
{ |
|||
this.pathCollection = new PathCollection(path1, path2); |
|||
this.img = new ProcessorWatchingImage(10, 10); |
|||
} |
|||
|
|||
public void Dispose() |
|||
{ |
|||
img.Dispose(); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CorrectlySetsBrushAndPath() |
|||
{ |
|||
img.Fill(brush, pathCollection); |
|||
|
|||
Assert.Equal(2, img.ProcessorApplications.Count); |
|||
for (var i = 0; i < 2; i++) |
|||
{ |
|||
FillRegionProcessor<Rgba32> processor = Assert.IsType<FillRegionProcessor<Rgba32>>(img.ProcessorApplications[i].processor); |
|||
|
|||
Assert.Equal(GraphicsOptions.Default, processor.Options); |
|||
|
|||
ShapeRegion region = Assert.IsType<ShapeRegion>(processor.Region); |
|||
|
|||
// path is converted to a polygon before filling
|
|||
Polygon polygon = Assert.IsType<Polygon>(region.Shape); |
|||
LinearLineSegment segments = Assert.IsType<LinearLineSegment>(polygon.LineSegments[0]); |
|||
|
|||
Assert.Equal(brush, processor.Brush); |
|||
} |
|||
} |
|||
|
|||
[Fact] |
|||
public void CorrectlySetsBrushPathOptions() |
|||
{ |
|||
img.Fill(brush, pathCollection, noneDefault); |
|||
|
|||
Assert.Equal(2, img.ProcessorApplications.Count); |
|||
for (var i = 0; i < 2; i++) |
|||
{ |
|||
FillRegionProcessor<Rgba32> processor = Assert.IsType<FillRegionProcessor<Rgba32>>(img.ProcessorApplications[i].processor); |
|||
|
|||
Assert.Equal(noneDefault, processor.Options); |
|||
|
|||
ShapeRegion region = Assert.IsType<ShapeRegion>(processor.Region); |
|||
Polygon polygon = Assert.IsType<Polygon>(region.Shape); |
|||
LinearLineSegment segments = Assert.IsType<LinearLineSegment>(polygon.LineSegments[0]); |
|||
|
|||
Assert.Equal(brush, processor.Brush); |
|||
} |
|||
} |
|||
|
|||
[Fact] |
|||
public void CorrectlySetsColorAndPath() |
|||
{ |
|||
img.Fill(color, pathCollection); |
|||
|
|||
Assert.Equal(2, img.ProcessorApplications.Count); |
|||
for (var i = 0; i < 2; i++) |
|||
{ |
|||
FillRegionProcessor<Rgba32> processor = Assert.IsType<FillRegionProcessor<Rgba32>>(img.ProcessorApplications[i].processor); |
|||
|
|||
Assert.Equal(GraphicsOptions.Default, processor.Options); |
|||
|
|||
ShapeRegion region = Assert.IsType<ShapeRegion>(processor.Region); |
|||
Polygon polygon = Assert.IsType<Polygon>(region.Shape); |
|||
LinearLineSegment segments = Assert.IsType<LinearLineSegment>(polygon.LineSegments[0]); |
|||
|
|||
SolidBrush<Rgba32> brush = Assert.IsType<SolidBrush<Rgba32>>(processor.Brush); |
|||
Assert.Equal(color, brush.Color); |
|||
} |
|||
} |
|||
|
|||
[Fact] |
|||
public void CorrectlySetsColorPathAndOptions() |
|||
{ |
|||
img.Fill(color, pathCollection, noneDefault); |
|||
|
|||
Assert.Equal(2, img.ProcessorApplications.Count); |
|||
for (var i = 0; i < 2; i++) |
|||
{ |
|||
FillRegionProcessor<Rgba32> processor = Assert.IsType<FillRegionProcessor<Rgba32>>(img.ProcessorApplications[i].processor); |
|||
|
|||
Assert.Equal(noneDefault, processor.Options); |
|||
|
|||
ShapeRegion region = Assert.IsType<ShapeRegion>(processor.Region); |
|||
Polygon polygon = Assert.IsType<Polygon>(region.Shape); |
|||
LinearLineSegment segments = Assert.IsType<LinearLineSegment>(polygon.LineSegments[0]); |
|||
|
|||
SolidBrush<Rgba32> brush = Assert.IsType<SolidBrush<Rgba32>>(processor.Brush); |
|||
Assert.Equal(color, brush.Color); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,251 @@ |
|||
// <copyright file="DrawText.cs" company="James Jackson-South">
|
|||
// Copyright (c) James Jackson-South and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
// </copyright>
|
|||
|
|||
namespace ImageSharp.Tests.Drawing.Text |
|||
{ |
|||
using System; |
|||
using System.Numerics; |
|||
|
|||
using ImageSharp.Drawing; |
|||
using ImageSharp.Drawing.Brushes; |
|||
using ImageSharp.Drawing.Pens; |
|||
using ImageSharp.Drawing.Processors; |
|||
using ImageSharp.PixelFormats; |
|||
using ImageSharp.Tests.Drawing.Paths; |
|||
|
|||
using SixLabors.Fonts; |
|||
using SixLabors.Shapes; |
|||
|
|||
using Xunit; |
|||
|
|||
public class DrawText_Path : IDisposable |
|||
{ |
|||
Rgba32 color = Rgba32.HotPink; |
|||
|
|||
SolidBrush<Rgba32> brush = Brushes.Solid(Rgba32.HotPink); |
|||
|
|||
IPath path = new SixLabors.Shapes.Path( |
|||
new LinearLineSegment( |
|||
new Vector2[] { new Vector2(10, 10), new Vector2(20, 10), new Vector2(20, 10), new Vector2(30, 10), })); |
|||
|
|||
private ProcessorWatchingImage img; |
|||
|
|||
private readonly FontCollection FontCollection; |
|||
|
|||
private readonly Font Font; |
|||
|
|||
public DrawText_Path() |
|||
{ |
|||
this.FontCollection = new FontCollection(); |
|||
this.Font = this.FontCollection.Install(TestFontUtilities.GetPath("SixLaborsSampleAB.woff")); |
|||
this.img = new ProcessorWatchingImage(10, 10); |
|||
} |
|||
|
|||
public void Dispose() |
|||
{ |
|||
this.img.Dispose(); |
|||
} |
|||
|
|||
[Fact] |
|||
public void FillsForEachACharachterWhenBrushSetAndNotPen() |
|||
{ |
|||
this.img.DrawText( |
|||
"123", |
|||
this.Font, |
|||
Brushes.Solid(Rgba32.Red), |
|||
null, |
|||
path, |
|||
new TextGraphicsOptions(true)); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
|
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void FillsForEachACharachterWhenBrushSetAndNotPenDefaultOptions() |
|||
{ |
|||
this.img.DrawText("123", this.Font, Brushes.Solid(Rgba32.Red), null, path); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
|
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void FillsForEachACharachterWhenBrushSet() |
|||
{ |
|||
this.img.DrawText("123", this.Font, Brushes.Solid(Rgba32.Red), path, new TextGraphicsOptions(true)); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
|
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void FillsForEachACharachterWhenBrushSetDefaultOptions() |
|||
{ |
|||
this.img.DrawText("123", this.Font, Brushes.Solid(Rgba32.Red), path); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
|
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void FillsForEachACharachterWhenColorSet() |
|||
{ |
|||
this.img.DrawText("123", this.Font, Rgba32.Red, path, new TextGraphicsOptions(true)); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); |
|||
FillRegionProcessor<Rgba32> processor = |
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
|
|||
SolidBrush<Rgba32> brush = Assert.IsType<SolidBrush<Rgba32>>(processor.Brush); |
|||
Assert.Equal(Rgba32.Red, brush.Color); |
|||
} |
|||
|
|||
[Fact] |
|||
public void FillsForEachACharachterWhenColorSetDefaultOptions() |
|||
{ |
|||
this.img.DrawText("123", this.Font, Rgba32.Red, path); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); |
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
FillRegionProcessor<Rgba32> processor = |
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
|
|||
SolidBrush<Rgba32> brush = Assert.IsType<SolidBrush<Rgba32>>(processor.Brush); |
|||
Assert.Equal(Rgba32.Red, brush.Color); |
|||
} |
|||
|
|||
[Fact] |
|||
public void DrawForEachACharachterWhenPenSetAndNotBrush() |
|||
{ |
|||
this.img.DrawText( |
|||
"123", |
|||
this.Font, |
|||
null, |
|||
Pens.Dash(Rgba32.Red, 1), |
|||
path, |
|||
new TextGraphicsOptions(true)); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
|
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void DrawForEachACharachterWhenPenSetAndNotBrushDefaultOptions() |
|||
{ |
|||
this.img.DrawText("123", this.Font, null, Pens.Dash(Rgba32.Red, 1), path); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
|
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void DrawForEachACharachterWhenPenSet() |
|||
{ |
|||
this.img.DrawText("123", this.Font, Pens.Dash(Rgba32.Red, 1), path, new TextGraphicsOptions(true)); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
|
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void DrawForEachACharachterWhenPenSetDefaultOptions() |
|||
{ |
|||
this.img.DrawText("123", this.Font, Pens.Dash(Rgba32.Red, 1), path); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
|
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void DrawForEachACharachterWhenPenSetAndFillFroEachWhenBrushSet() |
|||
{ |
|||
this.img.DrawText( |
|||
"123", |
|||
this.Font, |
|||
Brushes.Solid(Rgba32.Red), |
|||
Pens.Dash(Rgba32.Red, 1), |
|||
path, |
|||
new TextGraphicsOptions(true)); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(6, this.img.ProcessorApplications.Count); |
|||
} |
|||
|
|||
[Fact] |
|||
public void DrawForEachACharachterWhenPenSetAndFillFroEachWhenBrushSetDefaultOptions() |
|||
{ |
|||
this.img.DrawText("123", this.Font, Brushes.Solid(Rgba32.Red), Pens.Dash(Rgba32.Red, 1), path); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(6, this.img.ProcessorApplications.Count); |
|||
} |
|||
|
|||
[Fact] |
|||
public void BrushAppliesBeforPen() |
|||
{ |
|||
this.img.DrawText( |
|||
"1", |
|||
this.Font, |
|||
Brushes.Solid(Rgba32.Red), |
|||
Pens.Dash(Rgba32.Red, 1), |
|||
path, |
|||
new TextGraphicsOptions(true)); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(2, this.img.ProcessorApplications.Count); |
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[1].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void BrushAppliesBeforPenDefaultOptions() |
|||
{ |
|||
this.img.DrawText("1", this.Font, Brushes.Solid(Rgba32.Red), Pens.Dash(Rgba32.Red, 1), path); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(2, this.img.ProcessorApplications.Count); |
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[1].processor); |
|||
} |
|||
|
|||
[Fact] |
|||
public void GlyphHeightChangesBasedOnuseImageResolutionFlag() |
|||
{ |
|||
this.img.MetaData.VerticalResolution = 1; |
|||
this.img.MetaData.HorizontalResolution = 1; |
|||
this.img.DrawText("1", this.Font, Brushes.Solid(Rgba32.Red), path, new TextGraphicsOptions(true) { |
|||
UseImageResolution = false |
|||
}); |
|||
|
|||
this.img.DrawText("1", this.Font, Brushes.Solid(Rgba32.Red), path, new TextGraphicsOptions(true) |
|||
{ |
|||
UseImageResolution = true |
|||
}); |
|||
|
|||
Assert.NotEmpty(this.img.ProcessorApplications); |
|||
Assert.Equal(2, this.img.ProcessorApplications.Count); |
|||
FillRegionProcessor<Rgba32> ownResolution = Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor); |
|||
FillRegionProcessor<Rgba32> imgResolution = Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[1].processor); |
|||
|
|||
ShapeRegion ownRegion = Assert.IsType<ShapeRegion>(ownResolution.Region); |
|||
ShapeRegion imgRegion = Assert.IsType<ShapeRegion>(imgResolution.Region); |
|||
|
|||
// magic numbers based on the font used at well known resolutions
|
|||
Assert.Equal(7.44, ownRegion.Shape.Bounds.Height, 2); |
|||
Assert.Equal(0.1, imgRegion.Shape.Bounds.Height, 2); |
|||
} |
|||
} |
|||
} |
|||
@ -1,68 +0,0 @@ |
|||
|
|||
namespace ImageSharp.Tests.Drawing.Text |
|||
{ |
|||
using ImageSharp.Drawing; |
|||
using SixLabors.Fonts; |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.Linq; |
|||
using System.Numerics; |
|||
using System.Threading.Tasks; |
|||
using Xunit; |
|||
|
|||
public class GlyphBuilderTests |
|||
{ |
|||
[Fact] |
|||
public void OriginUsed() |
|||
{ |
|||
// Y axis is inverted as it expects to be drawing for bottom left
|
|||
GlyphBuilder fullBuilder = new GlyphBuilder(new System.Numerics.Vector2(10, 99)); |
|||
IGlyphRenderer builder = fullBuilder; |
|||
|
|||
builder.BeginGlyph(Vector2.Zero); |
|||
builder.BeginFigure(); |
|||
builder.MoveTo(new Vector2(0, 0)); |
|||
builder.LineTo(new Vector2(0, 10)); // becomes 0, -10
|
|||
|
|||
builder.CubicBezierTo( |
|||
new Vector2(15, 15), // control point - will not be in the final point collection
|
|||
new Vector2(15, 10), // control point - will not be in the final point collection
|
|||
new Vector2(10, 10));// becomes 10, -10
|
|||
|
|||
builder.QuadraticBezierTo( |
|||
new Vector2(10, 5), // control point - will not be in the final point collection
|
|||
new Vector2(10, 0)); |
|||
|
|||
builder.EndFigure(); |
|||
builder.EndGlyph(); |
|||
|
|||
System.Collections.Immutable.ImmutableArray<Vector2> points = fullBuilder.Paths.Single().Flatten().Single().Points; |
|||
|
|||
Assert.Contains(new Vector2(10, 99), points); |
|||
Assert.Contains(new Vector2(10, 109), points); |
|||
Assert.Contains(new Vector2(20, 99), points); |
|||
Assert.Contains(new Vector2(20, 109), points); |
|||
} |
|||
|
|||
[Fact] |
|||
public void EachGlypeCausesNewPath() |
|||
{ |
|||
// Y axis is inverted as it expects to be drawing for bottom left
|
|||
GlyphBuilder fullBuilder = new GlyphBuilder(); |
|||
IGlyphRenderer builder = fullBuilder; |
|||
for (int i = 0; i < 10; i++) |
|||
{ |
|||
builder.BeginGlyph(Vector2.Zero); |
|||
builder.BeginFigure(); |
|||
builder.MoveTo(new Vector2(0, 0)); |
|||
builder.LineTo(new Vector2(0, 10)); // becomes 0, -10
|
|||
builder.LineTo(new Vector2(10, 10));// becomes 10, -10
|
|||
builder.LineTo(new Vector2(10, 0)); |
|||
builder.EndFigure(); |
|||
builder.EndGlyph(); |
|||
} |
|||
|
|||
Assert.Equal(10, fullBuilder.Paths.Count()); |
|||
} |
|||
} |
|||
} |
|||
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Reference in new issue