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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/ja/web/api/canvasrenderingcontext2d/moveto | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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Diffstat (limited to 'files/ja/web/api/canvasrenderingcontext2d/moveto')
-rw-r--r-- | files/ja/web/api/canvasrenderingcontext2d/moveto/index.html | 89 |
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diff --git a/files/ja/web/api/canvasrenderingcontext2d/moveto/index.html b/files/ja/web/api/canvasrenderingcontext2d/moveto/index.html new file mode 100644 index 0000000000..4c3537dad5 --- /dev/null +++ b/files/ja/web/api/canvasrenderingcontext2d/moveto/index.html @@ -0,0 +1,89 @@ +--- +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"><canvas id="canvas"></canvas> +</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> |