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| author | Ryan Johnson <rjohnson@mozilla.com> | 2021-04-29 16:16:42 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-29 16:16:42 -0700 |
| commit | 95aca4b4d8fa62815d4bd412fff1a364f842814a (patch) | |
| tree | 5e57661720fe9058d5c7db637e764800b50f9060 /files/uk/web/api/htmlcanvaselement | |
| parent | ee3b1c87e3c8e72ca130943eed260ad642246581 (diff) | |
| download | translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.tar.gz translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.tar.bz2 translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.zip | |
remove retired locales (#699)
Diffstat (limited to 'files/uk/web/api/htmlcanvaselement')
| -rw-r--r-- | files/uk/web/api/htmlcanvaselement/index.html | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/files/uk/web/api/htmlcanvaselement/index.html b/files/uk/web/api/htmlcanvaselement/index.html deleted file mode 100644 index 9f1a6452ed..0000000000 --- a/files/uk/web/api/htmlcanvaselement/index.html +++ /dev/null @@ -1,264 +0,0 @@ ---- -title: HTMLCanvasElement -slug: Web/API/HTMLCanvasElement -tags: - - API - - Canvas - - HTML DOM - - Interface - - NeedsTranslation - - Reference - - TopicStub -translation_of: Web/API/HTMLCanvasElement ---- -<div> -<div>{{APIRef("Canvas API")}}</div> -</div> - -<p>The <strong><code>HTMLCanvasElement</code></strong> interface provides properties and methods for manipulating the layout and presentation of canvas elements. The <code>HTMLCanvasElement</code> interface also inherits the properties and methods of the {{domxref("HTMLElement")}} interface.</p> - -<p>{{InheritanceDiagram}}</p> - -<h2 id="Properties">Properties</h2> - -<p><em>Inherits properties from its parent, </em><em>{{domxref("HTMLElement")}}.</em></p> - -<dl> - <dt>{{domxref("HTMLCanvasElement.height")}}</dt> - <dd>Is a positive <code>integer</code> reflecting the {{htmlattrxref("height", "canvas")}} HTML attribute of the {{HTMLElement("canvas")}} element interpreted in CSS pixels. When the attribute is not specified, or if it is set to an invalid value, like a negative, the default value of <code>150</code> is used.</dd> - <dt>{{domxref("HTMLCanvasElement.mozOpaque")}} {{non-standard_inline}}</dt> - <dd>Is a {{jsxref("Boolean")}} reflecting the {{htmlattrxref("moz-opaque", "canvas")}} HTML attribute of the {{HTMLElement("canvas")}} element. It lets the canvas know whether or not translucency will be a factor. If the canvas knows there's no translucency, painting performance can be optimized.</dd> - <dt>{{domxref("HTMLCanvasElement.width")}}</dt> - <dd>Is a positive <code>integer</code> reflecting the {{htmlattrxref("width", "canvas")}} HTML attribute of the {{HTMLElement("canvas")}} element interpreted in CSS pixels. When the attribute is not specified, or if it is set to an invalid value, like a negative, the default value of <code>300</code> is used.</dd> - <dt>{{domxref("HTMLCanvasElement.mozPrintCallback")}}{{non-standard_inline}}</dt> - <dd>Is a <code>function</code> that is Initially null, Web content can set this to a JavaScript function that will be called if the page is printed. This function can then redraw the canvas at a higher resolution that is suitable for the printer being used. <a href="https://blog.mozilla.org/labs/2012/09/a-new-way-to-control-printing-output/">See this blog post.</a></dd> -</dl> - -<h2 id="Methods">Methods</h2> - -<p><em>Inherits methods from its parent, </em><em>{{domxref("HTMLElement")}}.</em></p> - -<dl> - <dt>{{domxref("HTMLCanvasElement.captureStream()")}} {{experimental_inline}}</dt> - <dd>Returns a {{domxref("CanvasCaptureMediaStream")}} that is a real-time video capture of the surface of the canvas.</dd> - <dt>{{domxref("HTMLCanvasElement.getContext()")}}</dt> - <dd>Returns a drawing context on the canvas, or null if the context ID is not supported. A drawing context lets you draw on the canvas. Calling getContext with <code>"2d"</code> returns a {{domxref("CanvasRenderingContext2D")}} object, whereas calling it with <code>"experimental-webgl"</code> (or <code>"webgl"</code>) returns a {{domxref("WebGLRenderingContext")}} object. This context is only available on browsers that implement <a href="/en-US/docs/Web/WebGL">WebGL</a>.</dd> - <dt>{{domxref("HTMLCanvasElement.toDataURL()")}}</dt> - <dd>Returns a data-URL containing a representation of the image in the format specified by the <code>type</code> parameter (defaults to <code>png</code>). The returned image is in a resolution of 96dpi.</dd> - <dt>{{domxref("HTMLCanvasElement.toBlob()")}}</dt> - <dd>Creates a {{domxref("Blob")}} object representing the image contained in the canvas; this file may be cached on the disk or stored in memory at the discretion of the user agent.</dd> - <dt>{{domxref("HTMLCanvasElement.transferControlToOffscreen()")}} {{experimental_inline}}</dt> - <dd>Transfers control to an {{domxref("OffscreenCanvas")}} object, either on the main thread or on a worker.</dd> - <dt>{{domxref("HTMLCanvasElement.mozGetAsFile()")}} {{non-standard_inline}} {{deprecated_inline}}</dt> - <dd>Returns a {{domxref("File")}} object representing the image contained in the canvas; this file is a memory-based file, with the specified <code>name</code>. If <code>type</code> is not specified, the image type is <code>image/png</code>.</dd> -</dl> - -<h2 id="Specifications">Specifications</h2> - -<table class="standard-table"> - <tbody> - <tr> - <th scope="col">Specification</th> - <th scope="col">Status</th> - <th scope="col">Comment</th> - </tr> - <tr> - <td>{{SpecName('Media Capture DOM Elements', '#html-media-element-media-capture-extensions', 'HTMLCanvasElement')}}</td> - <td>{{Spec2('Media Capture DOM Elements')}}</td> - <td>Adds the method <code>captureStream()</code>.</td> - </tr> - <tr> - <td>{{SpecName('HTML WHATWG', "#the-canvas-element", "HTMLCanvasElement")}}</td> - <td>{{Spec2('HTML WHATWG')}}</td> - <td>The method <code>getContext()</code> now returns a {{domxref("RenderingContext")}} rather than an opaque <code>object</code>.<br> - The methods <code>probablySupportsContext()</code>, <code>setContext()</code> and <code>transferControlToProxy()</code>have been added.</td> - </tr> - <tr> - <td>{{SpecName('HTML5.1', "scripting-1.html#the-canvas-element", "HTMLCanvasElement")}}</td> - <td>{{Spec2('HTML5.1')}}</td> - <td> </td> - </tr> - <tr> - <td>{{SpecName('HTML5 W3C', "scripting-1.html#the-canvas-element", "HTMLCanvasElement")}}</td> - <td>{{Spec2('HTML5 W3C')}}</td> - <td>Initial definition.</td> - </tr> - </tbody> -</table> - -<h2 id="Browser_compatibility">Browser compatibility</h2> - -<div>{{CompatibilityTable}}</div> - -<div id="compat-desktop"> -<table class="compat-table"> - <tbody> - <tr> - <th>Feature</th> - <th>Chrome</th> - <th>Edge</th> - <th>Firefox (Gecko)</th> - <th>Internet Explorer</th> - <th>Opera</th> - <th>Safari</th> - </tr> - <tr> - <td>Basic support (<code>2D</code> context)</td> - <td>4.0</td> - <td>{{CompatVersionUnknown}}</td> - <td>{{CompatGeckoDesktop('1.9.2')}}</td> - <td>9.0</td> - <td>9.0 [1]</td> - <td>3.1</td> - </tr> - <tr> - <td><code>toBlob()</code></td> - <td>50</td> - <td>{{CompatNo}}</td> - <td>{{CompatGeckoDesktop('19')}} [2]</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatNo}} (bug <a href="https://bugs.webkit.org/show_bug.cgi?id=71270">71270</a>)</td> - </tr> - <tr> - <td><code>probablySupportsContext()</code>,<br> - <code>setContext()</code>,<br> - <code>transferControlToProxy()</code> {{experimental_inline}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - <tr> - <td><code>mozGetAsFile()</code> {{non-standard_inline}} {{deprecated_inline}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatGeckoDesktop('2')}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - <tr> - <td><code>captureStream()</code> {{experimental_inline}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatGeckoDesktop('41')}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - <tr> - <td><code>transferControlToOffscreen()</code> {{experimental_inline}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatGeckoDesktop(44)}} [3]</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - </tbody> -</table> -</div> - -<div id="compat-mobile"> -<table class="compat-table"> - <tbody> - <tr> - <th>Feature</th> - <th>Android</th> - <th>Chrome for Android</th> - <th>Edge</th> - <th>Firefox Mobile (Gecko)</th> - <th>IE Mobile</th> - <th>Opera Mobile</th> - <th>Safari Mobile</th> - </tr> - <tr> - <td>Basic support (<code>2D</code> context)</td> - <td>2.1</td> - <td>{{CompatVersionUnknown}}</td> - <td>{{CompatVersionUnknown}}</td> - <td>{{CompatVersionUnknown}}</td> - <td>{{CompatUnknown}}</td> - <td>10.0 [1]</td> - <td>3.2</td> - </tr> - <tr> - <td><code>webgl</code> context</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatVersionUnknown}} as <code>experimental-webgl</code></td> - <td>{{CompatUnknown}}</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatUnknown}}</td> - </tr> - <tr> - <td><code>toBlob()</code></td> - <td>{{CompatNo}} (bug <a href="http://crbug.com/67587">67587</a>)</td> - <td>50</td> - <td>{{CompatNo}}</td> - <td>{{CompatGeckoMobile('18')}} [2]</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatNo}} (bug <a href="https://bugs.webkit.org/show_bug.cgi?id=71270">71270</a>)</td> - </tr> - <tr> - <td><code>probablySupportsContext()</code>,<br> - <code>setContext()</code>,<br> - <code>transferControlToProxy() </code>{{experimental_inline}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatUnknown}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - <tr> - <td><code>mozGetAsFile()</code> {{non-standard_inline}} {{deprecated_inline}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatGeckoMobile('2')}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - <tr> - <td><code>captureStream() </code>{{experimental_inline}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatGeckoMobile('41')}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - <tr> - <td><code>transferControlToOffscreen()</code> {{experimental_inline}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatGeckoMobile(44)}} [3]</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - </tbody> -</table> -</div> - -<p>[1] Opera Mini 5.0 and later has partial support.</p> - -<p>[2] Support for the third parameter, has been added in Gecko 25 only: when used with the <code>"image/jpeg"</code> type, this argument specifies the image quality.</p> - -<p>[3] This feature is behind a feature preference setting. In about:config, set <code>gfx.offscreencanvas.enabled</code> to <code>true</code>.</p> - -<h2 id="See_also">See also</h2> - -<ul> - <li>HTML element implementing this interface: {{HTMLElement("canvas")}}.</li> -</ul> |
