[Webkit-unassigned] [Bug 114807] Division by zero in CSSGradientValue::addStops()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=114807





--- Comment #6 from Carlos Garcia Campos <cgarcia at igalia.com>  2013-04-19 02:15:51 PST ---
hmm, I've been checking what other browsers do, and maybe we should match what others do, see

http://plexode.com/eval3/#s=aekVQXANJVQMbAwEBHXgfPU+alQEPQ1BZAVycnZV5GwFKT02rRg5DTVBETBylpoOpEhERUVm2T6aVgqkUvL7AwgGGur2/t52Eur4BhwGxQrTJwosOU0ZRRkJVqU9Q3uDiVduVXpq3D61P4lMSo9CV3UpOQkhGVIOLBGIZMJRVBzyegOJBTIRFJRGJ5VBJ/BoBLBJgxGAITXa+i0MI0RjjHLIKdidfT8f0AJxQLcIVxCKcLhsPiMTisXjJVjcdZ0gb8jCclk74AMqfr/AIOJxUmLzmc1h0QiUUi0YjUcjxZoMiYNEZ1GYKddybsiVeMyKYTe9olIOfdKgECgkGqEKhlUnFXndaClcr0jY1ilD5uMrpdNl94qV6m9WnVZnoBwFAAMhwdFw1IxFzplOxs0x9VnNYnkby0fzFCYOEX1jU1mUwdCCYaDQDpyAJ3Dw9AcJmb2UBZ34f2pyTNv3W833Atdt4nG5HKAYNAZQJJLSQDCIDLwAA

In this example, both ff and ie10 render the second box with no background, so they ignore color stops outside the scale. The result in webkit depends on every port, since we are passing nan values to the platform it depends on how every platform deals with those values. With cairo backend I get a solid #80c080 background while with BlackBerry I get a solid green background.

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