Sun, 03 Feb 2013 23:26:51 -0700
[css3-transitions] Interpolation of colors is in premultiplied space.
This is as resolved in http://lists.w3.org/Archives/Public/www-style/2012Nov/0262.html
css3-transitions/Overview.html | file | annotate | diff | comparison | revisions | |
css3-transitions/Overview.src.html | file | annotate | diff | comparison | revisions |
1.1 --- a/css3-transitions/Overview.html Sun Feb 03 23:24:56 2013 -0700 1.2 +++ b/css3-transitions/Overview.html Sun Feb 03 23:26:51 2013 -0700 1.3 @@ -1235,9 +1235,9 @@ 1.4 1.5 <ul> 1.6 <li> <strong>color</strong>: interpolated via red, green, blue and alpha 1.7 - components (treating each as a number, see below). 1.8 - <div class=issue>Issue: Are the colors interpolated in premultiplied 1.9 - space or non-premultiplied space?</div> 1.10 + components (treating each as a number, see below). The interpolation is 1.11 + done between premultiplied colors (that is, colors for which the red, 1.12 + green, and blue components specified have been multiplied by the alpha). 1.13 1.14 <li> <strong>length</strong>: interpolated as real numbers. 1.15
2.1 --- a/css3-transitions/Overview.src.html Sun Feb 03 23:24:56 2013 -0700 2.2 +++ b/css3-transitions/Overview.src.html Sun Feb 03 23:26:51 2013 -0700 2.3 @@ -1255,8 +1255,9 @@ 2.4 <li> 2.5 <strong>color</strong>: interpolated via red, green, blue and alpha 2.6 components (treating each as a number, see below). 2.7 - <div class="issue">Issue: Are the colors interpolated in 2.8 - premultiplied space or non-premultiplied space?</div> 2.9 + The interpolation is done between premultiplied colors 2.10 + (that is, colors for which the red, green, and blue components 2.11 + specified have been multiplied by the alpha). 2.12 </li> 2.13 <li> 2.14 <strong>length</strong>: interpolated as real numbers.