[giow] (0) Fix cloning of ImageData, and make it clearer how TypedArr…

…ay links into the structured clone algorithm. Affected topics: DOM APIs git-svn-id: http://svn.whatwg.org/webapps@7049 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Apr 9, 2012 · 7347857 · 7347857
1 parent 9d840f7
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Showing 4 changed files with 49 additions and 2 deletions.
diff --git a/complete.html b/complete.html
@@ -240,7 +240,7 @@
 
   <header class=head id=head><p><a class=logo href=http://www.whatwg.org/><img alt=WHATWG height=101 src=/images/logo width=101></a></p>
    <hgroup><h1 class=allcaps>HTML</h1>
-    <h2 class="no-num no-toc">Living Standard &mdash; Last Updated 4 April 2012</h2>
+    <h2 class="no-num no-toc">Living Standard &mdash; Last Updated 9 April 2012</h2>
    </hgroup><dl><dt><strong>Web developer edition:</strong></dt>
     <dd><strong><a href=http://developers.whatwg.org/>http://developers.whatwg.org/</a></strong></dd>
     <dt>Multiple-page version:</dt>
@@ -9634,6 +9634,15 @@ <h4 id=safe-passing-of-structured-data><span class=secno>2.8.6 </span>Safe passi
 
      <dd><p>Let <var title="">output</var> be a newly constructed <code><a href=#filelist>FileList</a></code> object containing a list of newly constructed <code><a href=#file>File</a></code> objects corresponding to the same underlying data as those in <var title="">input</var>, maintaining their relative order.</dd>
 
+     <dt>If <var title="">input</var> is an <code><a href=#imagedata>ImageData</a></code> object</dt>
+
+     <dd><p>Let <var title="">output</var> be a newly constructed
+     <code><a href=#imagedata>ImageData</a></code> object whose <code title=dom-imagedata-width><a href=#dom-imagedata-width>width</a></code> and <code title=dom-imagedata-height><a href=#dom-imagedata-height>height</a></code> attributes have values
+     equal to the corresponding attributes on <var title="">input</var>, and whose <code title=dom-imagedata-data><a href=#dom-imagedata-data>data</a></code> attribute has the value
+     obtained from invoking the <a href=#internal-structured-cloning-algorithm>internal structured cloning
+     algorithm</a> recursively with the value of the <code title=dom-imagedata-data><a href=#dom-imagedata-data>data</a></code> attribute on <var title="">input</var> as the new "<var title="">input</var>"
+     argument and <var title="">memory</var> as the new "<var title="">memory</var>" argument.</dd>
+
 <!--(when we add this, make sure to throw DataCloneError if these objects are already closed)
      <dt>If <var title="">input</var> is an <code>ArrayBuffer</code> object</dt>
 
@@ -9661,6 +9670,10 @@ <h4 id=safe-passing-of-structured-data><span class=secno>2.8.6 </span>Safe passi
 
      <dd><p>Let <var title="">output</var> be a newly constructed empty <code title="">Object</code> object.</dd>
 
+     <dt>If <var title="">input</var> is an object that another specification defines how to clone</dt>
+
+     <dd><p>Let <var title="">output</var> be a clone of the object as defined by the other specification.</dd>
+
      <dt>If <var title="">input</var> is another native object type (e.g. <code>Error</code>, <code><a href=#function>Function</a></code>)</dt>
      <dt>If <var title="">input</var> is a host object (e.g. a DOM node)</dt>
 

diff --git a/images/content-venn.svg b/images/content-venn.svg
diff --git a/index b/index
@@ -240,7 +240,7 @@
 
   <header class=head id=head><p><a class=logo href=http://www.whatwg.org/><img alt=WHATWG height=101 src=/images/logo width=101></a></p>
    <hgroup><h1 class=allcaps>HTML</h1>
-    <h2 class="no-num no-toc">Living Standard &mdash; Last Updated 4 April 2012</h2>
+    <h2 class="no-num no-toc">Living Standard &mdash; Last Updated 9 April 2012</h2>
    </hgroup><dl><dt><strong>Web developer edition:</strong></dt>
     <dd><strong><a href=http://developers.whatwg.org/>http://developers.whatwg.org/</a></strong></dd>
     <dt>Multiple-page version:</dt>
@@ -9634,6 +9634,15 @@ interface <dfn id=transferable>Transferable</dfn> { };</pre>
 
      <dd><p>Let <var title="">output</var> be a newly constructed <code><a href=#filelist>FileList</a></code> object containing a list of newly constructed <code><a href=#file>File</a></code> objects corresponding to the same underlying data as those in <var title="">input</var>, maintaining their relative order.</dd>
 
+     <dt>If <var title="">input</var> is an <code><a href=#imagedata>ImageData</a></code> object</dt>
+
+     <dd><p>Let <var title="">output</var> be a newly constructed
+     <code><a href=#imagedata>ImageData</a></code> object whose <code title=dom-imagedata-width><a href=#dom-imagedata-width>width</a></code> and <code title=dom-imagedata-height><a href=#dom-imagedata-height>height</a></code> attributes have values
+     equal to the corresponding attributes on <var title="">input</var>, and whose <code title=dom-imagedata-data><a href=#dom-imagedata-data>data</a></code> attribute has the value
+     obtained from invoking the <a href=#internal-structured-cloning-algorithm>internal structured cloning
+     algorithm</a> recursively with the value of the <code title=dom-imagedata-data><a href=#dom-imagedata-data>data</a></code> attribute on <var title="">input</var> as the new "<var title="">input</var>"
+     argument and <var title="">memory</var> as the new "<var title="">memory</var>" argument.</dd>
+
 <!--(when we add this, make sure to throw DataCloneError if these objects are already closed)
      <dt>If <var title="">input</var> is an <code>ArrayBuffer</code> object</dt>
 
@@ -9661,6 +9670,10 @@ interface <dfn id=transferable>Transferable</dfn> { };</pre>
 
      <dd><p>Let <var title="">output</var> be a newly constructed empty <code title="">Object</code> object.</dd>
 
+     <dt>If <var title="">input</var> is an object that another specification defines how to clone</dt>
+
+     <dd><p>Let <var title="">output</var> be a clone of the object as defined by the other specification.</dd>
+
      <dt>If <var title="">input</var> is another native object type (e.g. <code>Error</code>, <code><a href=#function>Function</a></code>)</dt>
      <dt>If <var title="">input</var> is a host object (e.g. a DOM node)</dt>
 

diff --git a/source b/source
@@ -9795,6 +9795,22 @@ interface <dfn>Transferable</dfn> { };</pre>
 
      <dd><p>Let <var title="">output</var> be a newly constructed <code>FileList</code> object containing a list of newly constructed <code>File</code> objects corresponding to the same underlying data as those in <var title="">input</var>, maintaining their relative order.</p></dd>
 
+     <dt>If <var title="">input</var> is an <code>ImageData</code> object</dt>
+
+     <dd><p>Let <var title="">output</var> be a newly constructed
+     <code>ImageData</code> object whose <code
+     title="dom-imagedata-width">width</code> and <code
+     title="dom-imagedata-height">height</code> attributes have values
+     equal to the corresponding attributes on <var
+     title="">input</var>, and whose <code
+     title="dom-imagedata-data">data</code> attribute has the value
+     obtained from invoking the <span>internal structured cloning
+     algorithm</span> recursively with the value of the <code
+     title="dom-imagedata-data">data</code> attribute on <var
+     title="">input</var> as the new "<var title="">input</var>"
+     argument and <var title="">memory</var> as the new "<var
+     title="">memory</var>" argument.</p></dd>
+
 <!--(when we add this, make sure to throw DataCloneError if these objects are already closed)
      <dt>If <var title="">input</var> is an <code>ArrayBuffer</code> object</dt>
 
@@ -9823,6 +9839,10 @@ interface <dfn>Transferable</dfn> { };</pre>
 
      <dd><p>Let <var title="">output</var> be a newly constructed empty <code title="">Object</code> object.</p></dd>
 
+     <dt>If <var title="">input</var> is an object that another specification defines how to clone</dt>
+
+     <dd><p>Let <var title="">output</var> be a clone of the object as defined by the other specification.</p></dd>
+
      <dt>If <var title="">input</var> is another native object type (e.g. <code>Error</code>, <code>Function</code>)</dt>
      <dt>If <var title="">input</var> is a host object (e.g. a DOM node)</dt>