2Dapi; hixie: Define what to do when the source rectangle of a drawImage() call is out of bounds (before, it resulted in banding, which seems unsatisfactory). (whatwg r6908)

2Dapi; hixie: Define what to do when the source rectangle of a
drawImage() call is out of bounds (before, it resulted in banding, which
seems unsatisfactory). (whatwg r6908)

http://dev.w3.org/cvsweb/html5/2dcontext/Overview.html?r1=1.114&r2=1.115&f=h
http://html5.org/tools/web-apps-tracker?from=6907&to=6908

===================================================================
RCS file: /sources/public/html5/2dcontext/Overview.html,v
retrieving revision 1.114
retrieving revision 1.115
diff -u -d -r1.114 -r1.115
--- Overview.html 6 Jan 2012 20:46:54 -0000 1.114
+++ Overview.html 24 Jan 2012 20:35:40 -0000 1.115
@@ -320,7 +320,7 @@
 
    <h1>HTML Canvas 2D Context</h1>
    <h2 class="no-num no-toc" id="generatedID"></h2>
-   <h2 class="no-num no-toc" id="editor-s-draft-6-january-2012">Editor's Draft 6 January 2012</h2>
+   <h2 class="no-num no-toc" id="editor-s-draft-24-january-2012">Editor's Draft 24 January 2012</h2>
    <dl><dt>Latest Published Version:</dt>
     <dd><a href="http://www.w3.org/TR/2dcontext/">http://www.w3.org/TR/2dcontext/</a></dd>
     <dt>Latest Editor's Draft:</dt>
@@ -456,7 +456,7 @@
   Group</a> is the W3C working group responsible for this
   specification's progress along the W3C Recommendation
   track.
-  This specification is the 6 January 2012 Editor's Draft.
+  This specification is the 24 January 2012 Editor's Draft.
   </p><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><p>Work on this specification is also done at the <a href="http://www.whatwg.org/">WHATWG</a>. The W3C HTML working group
   actively pursues convergence with the WHATWG, as required by the <a href="http://www.w3.org/2007/03/HTML-WG-charter">W3C HTML working
   group charter</a>.</p><!-- UNDER NO CIRCUMSTANCES IS THE FOLLOWING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><p>This specification is an extension to the HTML5 language. All
@@ -2578,6 +2578,10 @@
   four points (<var title="">dx</var>, <var title="">dy</var>),
   (<span title=""><var title="">dx</var>+<var title="">dw</var></span>, <var title="">dy</var>), (<span title=""><var title="">dx</var>+<var title="">dw</var></span>, <span title=""><var title="">dy</var>+<var title="">dh</var></span>), (<var title="">dx</var>, <span title=""><var title="">dy</var>+<var title="">dh</var></span>).</p>
 
+  <p>When the source rectangle is outside the source image, it must be
+  clipped to the source image, and the destination rectangle must be
+  clipped in the same proportion.</p>
+
   <p>When <code title="dom-context-2d-drawImage"><a href="#dom-context-2d-drawimage">drawImage()</a></code> is
   invoked, the region of the image specified by the source rectangle
   must be painted on the region of the canvas specified by the

Received on Tuesday, 24 January 2012 20:35:53 UTC