mirror of https://github.com/SixLabors/ImageSharp
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Former-commit-id: c2f8940d3852b524b66a9c1a402adc155c5efe2b Former-commit-id: 5cc3f548c68cf825f0b04fbb14eb9e67529c9bddpull/17/head
James South
11 years ago
14 changed files with 371 additions and 289 deletions
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// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="RotateBounded.cs" company="James South">
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// Copyright (c) James South.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// <summary>
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// Encapsulates methods to rotate an image without expanding the canvas.
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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namespace ImageProcessor.Web.Processors |
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{ |
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using System; |
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using System.Text.RegularExpressions; |
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using ImageProcessor.Processors; |
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using ImageProcessor.Web.Helpers; |
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/// <summary>
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/// Encapsulates methods to rotate an image without expanding the canvas.
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/// </summary>
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public class RotateBounded : IWebGraphicsProcessor |
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{ |
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/// <summary>
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/// The regular expression to search strings for.
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/// </summary>
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private static readonly Regex QueryRegex = new Regex(@"rotatebounded=[^&]+", RegexOptions.Compiled); |
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/// <summary>
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/// The regular expression to search for.
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/// </summary>
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private static readonly Regex BoundRegex = new Regex(@"rotatebounded.keepsize=true", RegexOptions.Compiled); |
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/// <summary>
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/// Initializes a new instance of the <see cref="RotateBounded"/> class.
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/// </summary>
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public RotateBounded() |
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{ |
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this.Processor = new ImageProcessor.Processors.RotateBounded(); |
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} |
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#region IGraphicsProcessor Members
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/// <summary>
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/// Gets the regular expression to search strings for.
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/// </summary>
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public Regex RegexPattern |
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{ |
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get |
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{ |
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return QueryRegex; |
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} |
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} |
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/// <summary>
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/// Gets the order in which this processor is to be used in a chain.
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/// </summary>
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public int SortOrder |
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{ |
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get; |
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private set; |
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} |
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/// <summary>
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/// Gets the associated graphics processor.
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/// </summary>
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public IGraphicsProcessor Processor { get; private set; } |
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/// <summary>
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/// The position in the original string where the first character of the captured substring was found.
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/// </summary>
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/// <param name="queryString">
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/// The query string to search.
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/// </param>
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/// <returns>
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/// The zero-based starting position in the original string where the captured substring was found.
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/// </returns>
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public int MatchRegexIndex(string queryString) |
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{ |
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int index = 0; |
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// Set the sort order to max to allow filtering.
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this.SortOrder = int.MaxValue; |
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foreach (Match match in this.RegexPattern.Matches(queryString)) |
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{ |
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if (match.Success) |
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{ |
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if (index == 0) |
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{ |
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// Set the index on the first instance only.
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this.SortOrder = match.Index; |
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float angle = CommonParameterParserUtility.ParseAngle(match.Value); |
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bool keepSize = BoundRegex.Match(queryString).Success; |
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Tuple<float, bool> rotateParams = new Tuple<float, bool>(angle, keepSize); |
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this.Processor.DynamicParameter = rotateParams; |
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} |
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index += 1; |
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} |
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} |
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return this.SortOrder; |
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} |
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#endregion
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} |
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} |
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@ -1,30 +0,0 @@ |
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// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="ImageLayer.cs" company="James South">
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// Copyright (c) James South.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// <summary>
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// Encapsulates the properties required to add an rotation layer to an image.
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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namespace ImageProcessor.Imaging |
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{ |
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/// <summary>
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/// A rotation layer to apply an inside rotation to an image
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/// </summary>
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public class RotateInsideLayer |
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{ |
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/// <summary>
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/// Gets or sets the rotation angle.
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/// </summary>
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public float Angle { get; set; } |
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/// <summary>
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/// Gets or sets a value indicating whether to keep the image dimensions.
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/// If set to true, the image is zoomed inside the area.
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/// If set to false, the area is resized to match the rotated image.
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/// </summary>
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public bool KeepImageDimensions { get; set; } |
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} |
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} |
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