|
| 1 | +<!DOCTYPE html> |
| 2 | +<html> |
| 3 | + <head> |
| 4 | + <meta charset="utf-8"> |
| 5 | + <title>Interface IPolylineDecoder<TPolyline, TValue> | PolylineAlgorithm for .NET </title> |
| 6 | + <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| 7 | + <meta name="title" content="Interface IPolylineDecoder<TPolyline, TValue> | PolylineAlgorithm for .NET "> |
| 8 | + |
| 9 | + <meta name="description" content="Defines a contract for decoding an encoded polyline into a sequence of geographic coordinates."> |
| 10 | + <link rel="icon" href="../favicon.ico"> |
| 11 | + <link rel="stylesheet" href="../public/docfx.min.css"> |
| 12 | + <link rel="stylesheet" href="../public/main.css"> |
| 13 | + <meta name="docfx:navrel" content="../toc.html"> |
| 14 | + <meta name="docfx:tocrel" content="toc.html"> |
| 15 | + |
| 16 | + <meta name="docfx:rel" content="../"> |
| 17 | + |
| 18 | + |
| 19 | + |
| 20 | + <meta name="loc:inThisArticle" content="In this article"> |
| 21 | + <meta name="loc:searchResultsCount" content="{count} results for "{query}""> |
| 22 | + <meta name="loc:searchNoResults" content="No results for "{query}""> |
| 23 | + <meta name="loc:tocFilter" content="Filter by title"> |
| 24 | + <meta name="loc:nextArticle" content="Next"> |
| 25 | + <meta name="loc:prevArticle" content="Previous"> |
| 26 | + <meta name="loc:themeLight" content="Light"> |
| 27 | + <meta name="loc:themeDark" content="Dark"> |
| 28 | + <meta name="loc:themeAuto" content="Auto"> |
| 29 | + <meta name="loc:changeTheme" content="Change theme"> |
| 30 | + <meta name="loc:copy" content="Copy"> |
| 31 | + <meta name="loc:downloadPdf" content="Download PDF"> |
| 32 | + |
| 33 | + <script type="module" src="./../public/docfx.min.js"></script> |
| 34 | + |
| 35 | + <script> |
| 36 | + const theme = localStorage.getItem('theme') || 'auto' |
| 37 | + document.documentElement.setAttribute('data-bs-theme', theme === 'auto' ? (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light') : theme) |
| 38 | + </script> |
| 39 | + |
| 40 | + </head> |
| 41 | + |
| 42 | + <body class="tex2jax_ignore" data-layout="" data-yaml-mime="ApiPage"> |
| 43 | + <header class="bg-body border-bottom"> |
| 44 | + <nav id="autocollapse" class="navbar navbar-expand-md" role="navigation"> |
| 45 | + <div class="container-xxl flex-nowrap"> |
| 46 | + <a class="navbar-brand" href="../index.html"> |
| 47 | + <img id="logo" class="svg" src="../logo.svg" alt="PolylineAlgorithm for .NET"> |
| 48 | + PolylineAlgorithm for .NET |
| 49 | + </a> |
| 50 | + <button class="btn btn-lg d-md-none border-0" type="button" data-bs-toggle="collapse" data-bs-target="#navpanel" aria-controls="navpanel" aria-expanded="false" aria-label="Toggle navigation"> |
| 51 | + <i class="bi bi-three-dots"></i> |
| 52 | + </button> |
| 53 | + <div class="collapse navbar-collapse" id="navpanel"> |
| 54 | + <div id="navbar"> |
| 55 | + <form class="search" role="search" id="search"> |
| 56 | + <i class="bi bi-search"></i> |
| 57 | + <input class="form-control" id="search-query" type="search" disabled placeholder="Search" autocomplete="off" aria-label="Search"> |
| 58 | + </form> |
| 59 | + </div> |
| 60 | + <div id="version-picker-container" class="ms-auto d-flex align-items-center px-2"> |
| 61 | + <select id="version-picker" class="form-select form-select-sm" style="width:auto" aria-label="Select version"></select> |
| 62 | + </div> |
| 63 | + </div> |
| 64 | + </div> |
| 65 | + </nav> |
| 66 | + </header> |
| 67 | + |
| 68 | + <main class="container-xxl"> |
| 69 | + <div class="toc-offcanvas"> |
| 70 | + <div class="offcanvas-md offcanvas-start" tabindex="-1" id="tocOffcanvas" aria-labelledby="tocOffcanvasLabel"> |
| 71 | + <div class="offcanvas-header"> |
| 72 | + <h5 class="offcanvas-title" id="tocOffcanvasLabel">Table of Contents</h5> |
| 73 | + <button type="button" class="btn-close" data-bs-dismiss="offcanvas" data-bs-target="#tocOffcanvas" aria-label="Close"></button> |
| 74 | + </div> |
| 75 | + <div class="offcanvas-body"> |
| 76 | + <nav class="toc" id="toc"></nav> |
| 77 | + </div> |
| 78 | + </div> |
| 79 | + </div> |
| 80 | + |
| 81 | + <div class="content"> |
| 82 | + <div class="actionbar"> |
| 83 | + <button class="btn btn-lg border-0 d-md-none" type="button" data-bs-toggle="offcanvas" data-bs-target="#tocOffcanvas" aria-controls="tocOffcanvas" aria-expanded="false" aria-label="Show table of contents"> |
| 84 | + <i class="bi bi-list"></i> |
| 85 | + </button> |
| 86 | + |
| 87 | + <nav id="breadcrumb"></nav> |
| 88 | + </div> |
| 89 | + |
| 90 | + <article data-uid=""> |
| 91 | +<h1 class='section api' data-uid='PolylineAlgorithm.Abstraction.IPolylineDecoder`2' data-commentid='T:PolylineAlgorithm.Abstraction.IPolylineDecoder`2' id='PolylineAlgorithm_Abstraction_IPolylineDecoder_2'>Interface IPolylineDecoder<TPolyline, TValue> <a class='header-action link-secondary' title='View source' href='https://github.com/petesramek/polyline-algorithm-csharp/blob/develop/1.0/src/PolylineAlgorithm/Abstraction/IPolylineDecoder.cs#L22'><i class='bi bi-code-slash'></i></a></h1> |
| 92 | + <div class="facts text-secondary"> |
| 93 | +<dl><dt>Namespace</dt><dd><a href='PolylineAlgorithm.Abstraction.html'>PolylineAlgorithm.Abstraction</a></dd></dl><dl><dt>Assembly</dt><dd>PolylineAlgorithm.dll</dd></dl> |
| 94 | +</div><p>Defines a contract for decoding an encoded polyline into a sequence of geographic coordinates.</p> |
| 95 | +<pre><code class='lang-csharp'>public interface IPolylineDecoder<TPolyline, out TValue></code></pre><h4 class='section'>Type Parameters</h4><dl class='parameters'><dt><code>TPolyline</code> </dt> |
| 96 | +<dd> |
| 97 | + |
| 98 | + |
| 99 | +<p>The type that represents the encoded polyline input. Common implementations use <span class="xref">System.String</span>, |
| 100 | +but custom wrapper types are allowed to carry additional metadata.</p> |
| 101 | + |
| 102 | +</dd><dt><code>TValue</code> </dt> |
| 103 | +<dd> |
| 104 | + |
| 105 | + |
| 106 | +<p>The coordinate type returned by the decoder. Typical implementations return a struct or class that |
| 107 | +contains latitude and longitude (for example a <code>LatLng</code> type or a <code>ValueTuple<double,double></code>).</p> |
| 108 | + |
| 109 | +</dd></dl><h2 class='section'>Methods</h2><h3 class='section api' data-uid='PolylineAlgorithm.Abstraction.IPolylineDecoder`2.Decode(`0,System.Threading.CancellationToken)' data-commentid='M:PolylineAlgorithm.Abstraction.IPolylineDecoder`2.Decode(`0,System.Threading.CancellationToken)' id='PolylineAlgorithm_Abstraction_IPolylineDecoder_2_Decode__0_System_Threading_CancellationToken_'>Decode(TPolyline, CancellationToken) <a class='header-action link-secondary' title='View source' href='https://github.com/petesramek/polyline-algorithm-csharp/blob/develop/1.0/src/PolylineAlgorithm/Abstraction/IPolylineDecoder.cs#L48'><i class='bi bi-code-slash'></i></a></h3> |
| 110 | + <p>Decodes the specified encoded polyline into an ordered sequence of geographic coordinates. |
| 111 | +The sequence preserves the original vertex order encoded by the <code class="paramref">polyline</code>.</p> |
| 112 | +<pre><code class='lang-csharp'>IEnumerable<out TValue> Decode(TPolyline polyline, CancellationToken cancellationToken = default)</code></pre><h4 class='section'>Parameters</h4><dl class='parameters'><dt><code>polyline</code> TPolyline </dt> |
| 113 | +<dd> |
| 114 | + |
| 115 | + |
| 116 | +<p>The <code class="typeparamref">TPolyline</code> instance containing the encoded polyline to decode. |
| 117 | +Implementations SHOULD validate the input and may throw <span class="xref">System.ArgumentException</span> |
| 118 | +or <span class="xref">System.FormatException</span> for invalid formats.</p> |
| 119 | + |
| 120 | +</dd><dt><code>cancellationToken</code> <a href='https://learn.microsoft.com/dotnet/api/system.threading.cancellationtoken'>CancellationToken</a> </dt> |
| 121 | +<dd> |
| 122 | + |
| 123 | + |
| 124 | +<p>A <span class="xref">System.Threading.CancellationToken</span> to observe while decoding. If cancellation is requested, |
| 125 | +implementations SHOULD stop work and throw an <span class="xref">System.OperationCanceledException</span>.</p> |
| 126 | + |
| 127 | +</dd></dl><h4 class='section'>Returns</h4><dl class='parameters'><dt> <a href='https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1'>IEnumerable</a><TValue> </dt> |
| 128 | +<dd> |
| 129 | + |
| 130 | + |
| 131 | +<p>An <span class="xref">System.Collections.Generic.IEnumerable`1</span> of <code class="typeparamref">TValue</code> representing the decoded |
| 132 | +latitude/longitude pairs (or equivalent coordinates) in the same order they were encoded.</p> |
| 133 | + |
| 134 | +</dd></dl><h4 class='section'>Remarks</h4><p>Implementations commonly follow the Google Encoded Polyline Algorithm Format, but this interface |
| 135 | +does not mandate a specific encoding. Consumers should rely on a concrete decoder's documentation |
| 136 | +to understand the exact encoding supported.</p> |
| 137 | +<h4 class='section'>Exceptions</h4><dl class='parameters'><dt> <a href='https://learn.microsoft.com/dotnet/api/system.operationcanceledexception'>OperationCanceledException</a> </dt> |
| 138 | +<dd> |
| 139 | + |
| 140 | + |
| 141 | +<p>Thrown when the provided <code class="paramref">cancellationToken</code> requests cancellation.</p> |
| 142 | + |
| 143 | +</dd></dl> |
| 144 | +</article> |
| 145 | + |
| 146 | + <div class="contribution d-print-none"> |
| 147 | + </div> |
| 148 | + |
| 149 | + |
| 150 | + </div> |
| 151 | + |
| 152 | + <div class="affix"> |
| 153 | + <nav id="affix"></nav> |
| 154 | + </div> |
| 155 | + </main> |
| 156 | + |
| 157 | + <div class="container-xxl search-results" id="search-results"></div> |
| 158 | + |
| 159 | + <footer class="border-top text-secondary"> |
| 160 | + <div class="container-xxl"> |
| 161 | + <div class="flex-fill"> |
| 162 | + <span>Made with <a href="https://dotnet.github.io/docfx">docfx</a></span> |
| 163 | + </div> |
| 164 | + </div> |
| 165 | + </footer> |
| 166 | + <script src="./../public/version-switcher.js"></script> |
| 167 | + </body> |
| 168 | +</html> |
0 commit comments