- From: Amelia Bellamy-Royds via GitHub <sysbot+gh@w3.org>
- Date: Wed, 26 Feb 2020 00:08:55 +0000
- To: public-css-archive@w3.org
> we already don't write reftests for gradients Maybe that's a policy we should change, especially if we introduce features like alternative interpolation spaces? I assume it's that's way because we didn't have a good standard for measuring a “good enough” gradient in a fuzzy reftest. > 5% of what? Ideally: 5% of the change in color along the gradient vector. E.g., represent the color at this point asy a vector in the correct color-space, then the absolute distance/magnitude between that value and colors at the nearest color stops should be ±5% of the mathematical value. That means, no dithering that is more extreme than the actual change in color stops, no dithering at all in solid stripe gradients (5% of 0 is 0 allowed deviation), but on the other hand, some variation in the “direction” of the interpolation is allowed so long as the magnitude change is reasonable (e.g., a gradient between grays could use “pseudogray” effects: very, very unsaturated colors to create finer progressions of luminance). -- GitHub Notification of comment by AmeliaBR Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/4793#issuecomment-591154237 using your GitHub account
Received on Wednesday, 26 February 2020 00:08:56 UTC