- From: poot <cvsmail@w3.org>
- Date: Thu, 12 Aug 2010 05:31:09 +0900 (JST)
- To: public-html-diffs@w3.org
hixie: allow context arguemtns on getContext (whatwg r5281)
http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.4206&r2=1.4207&f=h
http://html5.org/tools/web-apps-tracker?from=5280&to=5281
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.4206
retrieving revision 1.4207
diff -u -d -r1.4206 -r1.4207
--- Overview.html 11 Aug 2010 03:49:57 -0000 1.4206
+++ Overview.html 11 Aug 2010 20:26:37 -0000 1.4207
@@ -22881,7 +22881,7 @@
DOMString <a href="#dom-canvas-todataurl" title="dom-canvas-toDataURL">toDataURL</a>(in optional DOMString type, in any... args);
- object <a href="#dom-canvas-getcontext" title="dom-canvas-getContext">getContext</a>(in DOMString contextId);
+ object <a href="#dom-canvas-getcontext" title="dom-canvas-getContext">getContext</a>(in DOMString contextId, in any... args);
};</pre>
</dd>
</dl><p>The <code><a href="#the-canvas-element">canvas</a></code> element provides scripts with a
@@ -22964,12 +22964,13 @@
context.fillRect(0,100,50,50);
canvas.width = canvas.width; // clears the canvas
context.fillRect(100,0,50,50); // only this square remains</pre>
- </div><hr><dl class="domintro"><dt><var title="">context</var> = <var title="">canvas</var> . <code title="dom-canvas-getContext"><a href="#dom-canvas-getcontext">getContext</a></code>(<var title="">contextId</var>)</dt>
+ </div><hr><dl class="domintro"><dt><var title="">context</var> = <var title="">canvas</var> . <code title="dom-canvas-getContext"><a href="#dom-canvas-getcontext">getContext</a></code>(<var title="">contextId</var> [, ... ])</dt>
<dd>
<p>Returns an object that exposes an API for drawing on the
- canvas. The argument specifies the desired API.</p>
+ canvas. The first argument specifies the desired API. Subsequent
+ arguments are handled by that API.</p>
<p>The list of defined contexts is given on the <a href="http://wiki.whatwg.org/wiki/CanvasContexts">WHATWG Wiki
@@ -22989,12 +22990,12 @@
that element. When created, a <code><a href="#the-canvas-element">canvas</a></code> element must not
have a <a href="#primary-context">primary context</a>.</p>
- <p>The <dfn id="dom-canvas-getcontext" title="dom-canvas-getContext"><code>getContext(<var title="">contextId</var>)</code></dfn> method of the
- <code><a href="#the-canvas-element">canvas</a></code> element, when invoked, must run the following
- steps:</p>
+ <p>The <dfn id="dom-canvas-getcontext" title="dom-canvas-getContext"><code>getContext(<var title="">contextId</var>, <var title="">args...</var>)</code></dfn>
+ method of the <code><a href="#the-canvas-element">canvas</a></code> element, when invoked, must run
+ the following steps:</p>
- <ol><li><p>Let <var title="">contextId</var> be the argument to the
- method.</li>
+ <ol><li><p>Let <var title="">contextId</var> be the first argument to
+ the method.</li>
<li><p>If <var title="">contextId</var> is not the name of a
context supported by the user agent, return null and abort these
@@ -23011,7 +23012,8 @@
<li><p>If the <code title="dom-canvas-getContext"><a href="#dom-canvas-getcontext">getContext()</a></code> method has
already been invoked on this element for the same <var title="">contextId</var>, return the same object as was returned
- that time, and abort these steps.</li>
+ that time, and abort these steps. The additional arguments are
+ ignored.</li>
<li><p><dfn id="getcontext-return" title="getContext-return">Return a new object for <var title="">contextId</var></dfn>, as defined by the specification
given for <var title="">contextId</var>'s entry in the <a href="http://wiki.whatwg.org/wiki/CanvasContexts">WHATWG Wiki
Received on Wednesday, 11 August 2010 20:27:25 UTC