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[giow] (2) Change how canvas blur is calculated to be less quirky. Pl…
…ease update your browsers accordingly. This affects all implementations.

Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=10647

git-svn-id: http://svn.whatwg.org/webapps@5538 340c8d12-0b0e-0410-8428-c7bf67bfef74
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Hixie committed Sep 28, 2010
1 parent d56b5d6 commit 03ee473
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Showing 3 changed files with 7 additions and 18 deletions.
7 changes: 2 additions & 5 deletions complete.html
Expand Up @@ -31671,11 +31671,8 @@ <h6 id=shadows><span class=secno>4.8.11.1.6 </span><dfn>Shadows</dfn></h6>
<li> <p>If <code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code> is greater than
0:</p>

<ol><li> <p>If <code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code> is less than
8, let <var title="">&sigma;</var> be half the value of <code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code>; otherwise,
let <var title="">&sigma;</var> be the square root of multiplying
the value of <code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code> by
2.</li>
<ol><li> <p>Let <var title="">&sigma;</var> be half the value of
<code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code>.</li>

<li> <p>Perform a 2D Gaussian Blur on <var title="">B</var>,
using <var title="">&sigma;</var> as the standard deviation.</p>
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7 changes: 2 additions & 5 deletions index
Expand Up @@ -31651,11 +31651,8 @@ hairline width with transform. ack Shaun Morris.
<li> <p>If <code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code> is greater than
0:</p>

<ol><li> <p>If <code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code> is less than
8, let <var title="">&sigma;</var> be half the value of <code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code>; otherwise,
let <var title="">&sigma;</var> be the square root of multiplying
the value of <code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code> by
2.</li>
<ol><li> <p>Let <var title="">&sigma;</var> be half the value of
<code title=dom-context-2d-shadowBlur><a href=#dom-context-2d-shadowblur>shadowBlur</a></code>.</li>

<li> <p>Perform a 2D Gaussian Blur on <var title="">B</var>,
using <var title="">&sigma;</var> as the standard deviation.</p>
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11 changes: 3 additions & 8 deletions source
Expand Up @@ -34837,14 +34837,9 @@ hairline width with transform. ack Shaun Morris.

<ol>

<li> <p>If <code
title="dom-context-2d-shadowBlur">shadowBlur</code> is less than
8, let <var title="">&sigma;</var> be half the value of <code
title="dom-context-2d-shadowBlur">shadowBlur</code>; otherwise,
let <var title="">&sigma;</var> be the square root of multiplying
the value of <code
title="dom-context-2d-shadowBlur">shadowBlur</code> by
2.</p></li>
<li> <p>Let <var title="">&sigma;</var> be half the value of
<code
title="dom-context-2d-shadowBlur">shadowBlur</code>.</p></li>

<li> <p>Perform a 2D Gaussian Blur on <var title="">B</var>,
using <var title="">&sigma;</var> as the standard deviation.</p>
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