- From: Chris Lilley <chris@w3.org>
- Date: Wed, 21 Jan 2015 21:27:03 +0100
- To: "Tab Atkins Jr." <jackalmage@gmail.com>
- CC: Jonathan Rimmer <jon.rimmer@gmail.com>, www-style list <www-style@w3.org>
Hello Tab, Wednesday, January 21, 2015, 7:22:24 PM, you wrote: > On Wed, Jan 21, 2015 at 10:09 AM, Jonathan Rimmer <jon.rimmer@gmail.com> wrote: >> While moving the mid-point does mean that the interpolation between the two >> stops is not strictly linear, the spec says that the between the colors of >> the stops and the midpoint is still linear. Therefore, the path taken >> through the color space will still be linear, with the associated problems I >> described. > Nope. Seriously, read the algorithm. It's not linear. It's not > piecewise linear. It's an exponential interpolation. The spec > doesn't say anything about it being linear from the stop to the hint > either. Mid-point stop is a way of grabbing a line and bending it into a curve. The result is a gradient that is piecewise-exponential; there are curves between the stops, but the curves are not continuous. -- Best regards, Chris Lilley, Technical Director, W3C Interaction Domain
Received on Wednesday, 21 January 2015 20:27:11 UTC