- From: Ian Hickson via cvs-syncmail <cvsmail@w3.org>
- Date: Fri, 13 Jun 2008 01:38:46 +0000
- To: public-html-commits@w3.org
Update of /sources/public/html5/spec
In directory hutz:/tmp/cvs-serv20769
Modified Files:
Overview.html
Log Message:
Clarify arc() for arcs greater than 2pi. (whatwg r1756)
Index: Overview.html
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.945
retrieving revision 1.946
diff -u -d -r1.945 -r1.946
--- Overview.html 12 Jun 2008 23:11:37 -0000 1.945
+++ Overview.html 13 Jun 2008 01:38:44 -0000 1.946
@@ -59,7 +59,7 @@
for HTML and XHTML</h2>
<h2 class="no-num no-toc" id=editors0><!-- "W3C Working Draft" -->
- Editor's Draft <!--ZZZ-->12 June 2008</h2>
+ Editor's Draft <!--ZZZ-->13 June 2008</h2>
<dl><!-- ZZZ: update the month/day
<dt>This Version:</dt>
@@ -207,7 +207,7 @@
<p>The W3C <a href="http://www.w3.org/html/wg/">HTML Working Group</a> is
the W3C working group responsible for this specification's progress along
- the W3C Recommendation track. <!--ZZZ:--> This specification is the 12
+ the W3C Recommendation track. <!--ZZZ:--> This specification is the 13
June 2008 <!--ZZZ "Working Draft"-->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) -->
@@ -19580,17 +19580,23 @@
The arc and its start and end points are defined as follows:
<p>Consider a circle that has its origin at (<var title="">x</var>, <var
- title="">y</var>) and that has radius <var title="">radius</var>. The
- points at <var title="">startAngle</var> and <var title="">endAngle</var>
- along the circle's circumference, measured in radians clockwise from the
- positive x-axis, are the start and end points respectively. The arc is the
- path along the circumference of this circle from the start point to the
- end point, going anti-clockwise if the <var title="">anticlockwise</var>
- argument is true, and clockwise otherwise. Since the points are on the
- circle, as opposed to being simply angles from zero, the arc can never
- cover an angle greater than 2π radians. If the two angles are equal, or
- if the radius is zero, then the arc is defined as being of zero length in
- both directions.
+ title="">y</var>) and that has radius <var title="">radius</var>.
+
+ <p>If the absolute magnitude of the difference between the <var
+ title="">startAngle</var> and <var title="">endAngle</var> angles is equal
+ to or greater than 2π, then the arc is the whole circumference of this
+ circle.
+
+ <p>Otherwise, the points at <var title="">startAngle</var> and <var
+ title="">endAngle</var> along this circle's circumference, measured in
+ radians clockwise from the positive x-axis, are the start and end points
+ respectively. The arc is the path along the circumference of this circle
+ from the start point to the end point, going anti-clockwise if the <var
+ title="">anticlockwise</var> argument is true, and clockwise otherwise.
+ Since the points are on the circle, as opposed to being simply angles from
+ zero, the arc can never cover an angle greater than 2π radians. If the
+ two angles are equal, or if the radius is zero, then the arc is defined as
+ being of zero length in both directions.
<p>Negative values for <var title="">radius</var> must cause the
implementation to raise an <code>INDEX_SIZE_ERR</code> exception.
Received on Friday, 13 June 2008 01:39:24 UTC