W3C home > Mailing lists > Public > public-html-commits@w3.org > June 2008

html5/spec Overview.html,1.927,1.928

From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
Date: Tue, 10 Jun 2008 22:28:46 +0000
To: public-html-commits@w3.org
Message-Id: <E1K6CKc-0002Xp-No@lionel-hutz.w3.org>

Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv9759

Modified Files:
	Overview.html 
Log Message:
define the rounding behaviour of createImageData() to be like that of getID() and putID(). (whatwg r1739)

Index: Overview.html
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.927
retrieving revision 1.928
diff -u -d -r1.927 -r1.928
--- Overview.html	10 Jun 2008 21:32:37 -0000	1.927
+++ Overview.html	10 Jun 2008 22:28:43 -0000	1.928
@@ -20274,10 +20274,19 @@
 
   <pre>context.putImageData(context.getImageData(x, y, w, h), x, y);</pre>
 
-  <p>...for any value of <var title="">x</var> and <var title="">y</var>. In
-   other words, while user agents may round the arguments of the two methods
-   so that they map to device pixel boundaries, any rounding performed must
-   be performed consistently for both the <code
+  <p>...for any value of <var title="">x</var> and <var title="">y</var>, and
+   the following two calls:
+
+  <pre>context.createImageData(w, h);
+context.getImageData(0, 0, w, h);</pre>
+
+  <p>...must return <code><a href="#imagedata">ImageData</a></code> objects
+   with the same dimensions, for any value of <var title="">w</var> and <var
+   title="">h</var>. In other words, while user agents may round the
+   arguments of these methods so that they map to device pixel boundaries,
+   any rounding performed must be performed consistently for all of the <code
+   title=dom-context-2d-getImageData><a
+   href="#getimagedata">createImageData()</a></code>, <code
    title=dom-context-2d-getImageData><a
    href="#getimagedata">getImageData()</a></code> and <code
    title=dom-context-2d-putImageData><a
Received on Tuesday, 10 June 2008 22:29:22 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Thursday, 9 October 2008 20:32:57 GMT