spec/Overview.html 1.1191 2002 Define processing for the second argumen

Define processing for the second argument to getDataURL() for
image/jpeg. (whatwg r2002)

HTMLCanvasElement
http://people.w3.org/mike/diffs/html5/spec/Overview.1.1191.html#htmlcanvaselement
toDataURL(type)
http://people.w3.org/mike/diffs/html5/spec/Overview.1.1191.html#todataurl0
2.3 Case-sensitivity
http://people.w3.org/mike/diffs/html5/spec/Overview.1.1191.html#case-sensitivity
2.2.3 Common conformance requirements for APIs exposed to JavaScript
http://people.w3.org/mike/diffs/html5/spec/Overview.1.1191.html#common

http://people.w3.org/mike/diffs/html5/spec/Overview.diff.html
http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.1190&r2=1.1191&f=h
http://html5.org/tools/web-apps-tracker?from=2001&to=2002

===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.1190
retrieving revision 1.1191
diff -u -d -r1.1190 -r1.1191
--- Overview.html 5 Aug 2008 09:16:52 -0000 1.1190
+++ Overview.html 5 Aug 2008 09:22:30 -0000 1.1191
@@ -2995,11 +2995,7 @@
 
   <p>Unless otherwise specified, if a method is passed more arguments than is
    defined for that method in its IDL definition, the excess arguments must
-   be ignored.</p>
-  <!-- XXX When updating this spec for
-  Bindings-For-DOM-compliance, also remove or consider the equivalent
-  requirement in the canvas section for toDataURL() and
-  getContext(). -->
+   be ignored.
 
   <h3 id=case-sensitivity><span class=secno>2.3 </span>Case-sensitivity</h3>
 
@@ -20678,7 +20674,7 @@
            attribute unsigned long <a href="#height1" title=dom-canvas-height>height</a>;
 
   DOMString <a href="#todataurl" title=dom-canvas-toDataURL>toDataURL</a>();
-  DOMString <a href="#todataurl0" title=dom-canvas-toDataURL-type>toDataURL</a>(in DOMString type);
+  DOMString <a href="#todataurl0" title=dom-canvas-toDataURL-type>toDataURL</a>(in DOMString type, [Variadic] in any args);
 
   DOMObject <a href="#getcontext" title=dom-canvas-getContext>getContext</a>(in DOMString contextId);
 };</pre>
@@ -20868,13 +20864,14 @@
      <td> image/jpeg
 
      <td> The second argument, if it is a number between 0.0 and 1.0, must be
-      treated as the desired quality level.
+      treated as the desired quality level. If it is no a number or is
+      outside that range, the user agent must use its default value, as if
+      the argument had been omitted.
   </table>
 
   <p>Other arguments must be ignored and must not cause the user agent to
-   raise an exception (as would normally occur if a method was called with
-   the wrong number of arguments). A future version of this specification
-   will probably allow extra parameters to be passed to <code
+   raise an exception. A future version of this specification will probably
+   define other parameters to be passed to <code
    title=dom-canvas-toDataURL><a href="#todataurl">toDataURL()</a></code> to
    allow authors to more carefully control compression settings, image
    metadata, etc.

Received on Tuesday, 5 August 2008 09:37:33 UTC