W3C home > Mailing lists > Public > public-html-commits@w3.org > October 2009

html5/spec Overview.html,1.3305,1.3306

From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
Date: Sun, 18 Oct 2009 05:41:03 +0000
To: public-html-commits@w3.org
Message-Id: <E1MzOVr-0001FT-Uw@lionel-hutz.w3.org>
Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv4785

Modified Files:
	Overview.html 
Log Message:
Clarify that everything in canvas happens with infinite bitmaps. (whatwg r4158)

Index: Overview.html
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.3305
retrieving revision 1.3306
diff -u -d -r1.3305 -r1.3306
--- Overview.html	17 Oct 2009 09:51:00 -0000	1.3305
+++ Overview.html	18 Oct 2009 05:41:00 -0000	1.3306
@@ -216,7 +216,7 @@
    <h2 class="no-num no-toc" id="a-vocabulary-and-associated-apis-for-html-and-xhtml">A vocabulary and associated APIs for HTML and XHTML</h2>
    <!--ZZZ:-->
    <!--<h2 class="no-num no-toc">W3C Working Draft 25 August 2009</h2>-->
-   <h2 class="no-num no-toc" id="editor-s-draft-17-october-2009">Editor's Draft 17 October 2009</h2>
+   <h2 class="no-num no-toc" id="editor-s-draft-18-october-2009">Editor's Draft 18 October 2009</h2>
    <!--:ZZZ-->
    <dl><!-- ZZZ: update the month/day (twice), (un)comment out--><!--
     <dt>This Version:</dt>
@@ -318,7 +318,7 @@
   track.
   <!--ZZZ:-->
   <!--This specification is the 25 August 2009 Working Draft.-->
-  This specification is the 17 October 2009 Editor's Draft.
+  This specification is the 18 October 2009 Editor's Draft.
   <!--:ZZZ-->
   </p><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- relationship to other work (required) --><p>This specification is also being produced by the <a href="http://www.whatwg.org/">WHATWG</a>. The two specifications are
   identical from the table of contents onwards.</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 --><!-- context and rationale (required) --><p>This specification is intended to replace (be a new version of)
@@ -22582,8 +22582,9 @@
 
   <p><a href="#when-shadows-are-drawn">When shadows are drawn</a>, they must be rendered as follows:</p>
 
-  <ol><li> <p>Let <var title="">A</var> be the source image for which a
-   shadow is being created.</p> </li>
+  <ol><li> <p>Let <var title="">A</var> be an infinite transparent black
+   bitmap on which the source image for which a shadow is being
+   created has been rendered.</p> </li>
 
    <li> <p>Let <var title="">B</var> be an infinite transparent black
    bitmap, with a coordinate space and an origin identical to <var title="">A</var>.</p> </li>
@@ -22620,7 +22621,8 @@
    <li> <p>The shadow is in the bitmap <var title="">B</var>, and is
    rendered as part of the drawing model described below.</p> </li>
 
-  </ol></div><h6 id="simple-shapes-rectangles"><span class="secno">4.8.11.1.7 </span>Simple shapes (rectangles)</h6><p>There are three methods that immediately draw rectangles to the
+  </ol></div><p>If the current composition operation is <code title="gcop-copy"><a href="#gcop-copy">copy</a></code>, shadows effectively won't render
+  (since the shape will overwrite the shadow).<h6 id="simple-shapes-rectangles"><span class="secno">4.8.11.1.7 </span>Simple shapes (rectangles)</h6><p>There are three methods that immediately draw rectangles to the
   bitmap. They each take four arguments; the first two give the <var title="">x</var> and <var title="">y</var> coordinates of the top
   left of the rectangle, and the second two give the width <var title="">w</var> and height <var title="">h</var> of the rectangle,
   respectively.<div class="impl">
@@ -23996,10 +23998,11 @@
   <p>When a shape or image is painted, user agents must follow these
   steps, in the order given (or act as if they do):</p>
 
-  <ol><li><p>Render the shape or image, creating image <var title="">A</var>, as described in the previous sections. For
-   shapes, the current fill, stroke, and line styles must be honored,
-   and the stroke must itself also be subjected to the current
-   transformation matrix.</li>
+  <ol><li><p>Render the shape or image onto an infinite transparent black
+   bitmap, creating image <var title="">A</var>, as described in the
+   previous sections. For shapes, the current fill, stroke, and line
+   styles must be honored, and the stroke must itself also be
+   subjected to the current transformation matrix.</li>
 
    <li><p><a href="#when-shadows-are-drawn">When shadows are drawn</a>, render the shadow from
    image <var title="">A</var>, using the current shadow styles,
Received on Sunday, 18 October 2009 05:41:05 GMT

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