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html5/spec Overview.html,1.947,1.948

From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
Date: Fri, 13 Jun 2008 01:48:37 +0000
To: public-html-commits@w3.org
Message-Id: <E1K6yP7-0006a5-98@lionel-hutz.w3.org>

Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv24803

Modified Files:
	Overview.html 
Log Message:
remove some redundant ImageData stuff (whatwg r1758)

Index: Overview.html
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.947
retrieving revision 1.948
diff -u -d -r1.947 -r1.948
--- Overview.html	13 Jun 2008 01:40:20 -0000	1.947
+++ Overview.html	13 Jun 2008 01:48:34 -0000	1.948
@@ -20290,12 +20290,6 @@
 
   <h6 id=pixel><span class=secno>3.11.11.1.11. </span><dfn id=pixel1>Pixel
    manipulation</dfn></h6>
-  <!--
-  <span>ImageData</span> <span title="dom-context-2d-createImageData">createImageData</span>(in float sw, in float sh);
-  <span>ImageData</span> <span title="dom-context-2d-getImageData">getImageData</span>(in float sx, in float sy, in float sw, in float sh);
-  void <span title="dom-context-2d-putImageData">putImageData</span>(in <span>ImageData</span> imagedata, in float dx, in float dy);
-  void <span title="dom-context-2d-putImageData">putImageData</span>(in <span>ImageData</span> imagedata, in float dx, in float dy, in float dirtyX, in float dirtyY, in float dirtyWidth, in float dirtyHeight);
--->
 
   <p>The <dfn id=createimagedata
    title=dom-context-2d-createImageData><code>createImageData(<var
@@ -20389,11 +20383,7 @@
    structures back to the canvas.
 
   <p>If the first argument to the method is null or not an <code><a
-   href="#imagedata">ImageData</a></code> object that was returned by <code
-   title=dom-context-2d-createImageData><a
-   href="#createimagedata">createImageData()</a></code> or <code
-   title=dom-context-2d-getImageData><a
-   href="#getimagedata">getImageData()</a></code> then the <code
+   href="#imagedata">ImageData</a></code> object then the <code
    title=dom-context-2d-putImageData><a
    href="#putimagedata">putImageData()</a></code> method must raise a
    <code>TYPE_MISMATCH_ERR</code> exception.
@@ -20527,36 +20517,30 @@
    <p>The data returned by <code title=dom-context-2d-getImageData><a
     href="#getimagedata">getImageData()</a></code> is at the resolution of
     the canvas backing store, which is likely to not be one device pixel to
-    each CSS pixel if the display used is a high resolution display. Thus,
-    while one could create an <code><a href="#imagedata">ImageData</a></code>
-    object, one would not necessarily know what resolution the canvas
-    expected (how many pixels the canvas wants to paint over one coordinate
-    space unit pixel).</p>
+    each CSS pixel if the display used is a high resolution display.</p>
 
    <p>In the following example, the script first obtains the size of the
     canvas backing store, and then generates a few new <code><a
     href="#imagedata">ImageData</a></code> objects which can be used.</p>
 
-   <pre>
-  // canvas is a reference to a &lt;canvas> element
-  var context = canvas.getContext('2d');
+   <pre>// canvas is a reference to a &lt;canvas> element
+var context = canvas.getContext('2d');
 
-  // create a blank slate
-  var data = context.createImageData(canvas.width, canvas.height);
+// create a blank slate
+var data = context.createImageData(canvas.width, canvas.height);
 
-  // create some plasma
-  FillPlasma(data, 'green'); // green plasma
+// create some plasma
+FillPlasma(data, 'green'); // green plasma
 
-  // add a cloud to the plasma
-  AddCloud(data, data.width/2, data.height/2); // put a cloud in the middle
+// add a cloud to the plasma
+AddCloud(data, data.width/2, data.height/2); // put a cloud in the middle
 
-  // paint the plasma+cloud on the canvas
-  context.putImageData(data, 0, 0);
+// paint the plasma+cloud on the canvas
+context.putImageData(data, 0, 0);
 
-  // support methods
-  function FillPlasma(data, color) { ... }
-  function AddCloud(data, x, y) { ... }
-</pre>
+// support methods
+function FillPlasma(data, color) { ... }
+function AddCloud(data, x, y) { ... }</pre>
   </div>
 
   <div class=example>
Received on Friday, 13 June 2008 01:49:13 GMT

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