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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: CanvasRenderingContext2D.moveTo()
+slug: Web/API/CanvasRenderingContext2D/moveTo
+tags:
+ - API
+ - Canvas
+ - CanvasRenderingContext2D
+ - Method
+ - Reference
+translation_of: Web/API/CanvasRenderingContext2D/moveTo
+---
+<div>{{APIRef}}</div>
+
+<p>Canvas 2D API の <code><strong>CanvasRenderingContext2D</strong></code><strong><code>.moveTo()</code></strong> メソッドは、新しいサブパスの始点を <code>(x, y)</code> 座標に移動します。</p>
+
+<h2 id="構文">構文</h2>
+
+<pre class="syntaxbox">void <var><em>ctx</em>.moveTo(x, y);</var>
+</pre>
+
+<h3 id="引数">引数</h3>
+
+<dl>
+ <dt><code>x</code></dt>
+ <dd>点の x (水平) 座標。</dd>
+ <dt><code>y</code></dt>
+ <dd>点の y (鉛直) 座標。</dd>
+</dl>
+
+<h2 id="Parameters" name="Parameters">例</h2>
+
+<h3 id="Creating_multiple_sub-paths" name="Creating_multiple_sub-paths">複数のサブパスを作成する</h3>
+
+<p>この例は、<code>moveTo()</code> を使用して、1 つのパス内に 2 つのサブパスを作成します。サブパスは両方とも <code>stroke()</code> を 1 回呼び出すことで、レンダリングできます。</p>
+
+<h4 id="HTML">HTML</h4>
+
+<pre class="brush: html">&lt;canvas id="canvas"&gt;&lt;/canvas&gt;
+</pre>
+
+<h4 id="JavaScript">JavaScript</h4>
+
+<p>最初の線は、(50, 50) が始点で (200, 50) が終点です。二番目の線は、(50, 90) が始点で (280, 120) が終点です。</p>
+
+<pre class="brush: js; highlight:[5,7]">var canvas = document.getElementById('canvas');
+var ctx = canvas.getContext('2d');
+
+ctx.beginPath();
+ctx.moveTo(50, 50); // 1 つ目のサブパス
+ctx.lineTo(200, 50);
+ctx.moveTo(50, 90); // 2 つ目のサブパス
+ctx.lineTo(280, 120);
+ctx.stroke();
+</pre>
+
+<h4 id="Result">Result</h4>
+
+<p>{{ EmbedLiveSample('Creating_multiple_sub-paths', 700, 180) }}</p>
+
+<h2 id="Specifications" name="Specifications">仕様</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">仕様</th>
+ <th scope="col">状態</th>
+ <th scope="col">コメント</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', "scripting.html#dom-context-2d-moveto", "CanvasRenderingContext2D.moveTo")}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ <td></td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザー実装状況</h2>
+
+
+
+<p>{{Compat("api.CanvasRenderingContext2D.moveTo")}}</p>
+
+<h2 id="参考情報">参考情報</h2>
+
+<ul>
+ <li>このメソッドを定義しているインターフェイス: {{domxref("CanvasRenderingContext2D")}}</li>
+ <li>{{domxref("CanvasRenderingContext2D.lineTo()")}}</li>
+ <li>{{domxref("CanvasRenderingContext2D.stroke()")}}</li>
+</ul>