Markus Stange 68f8a0a260 Bug 1271112 - Check transformed gradient end points for fixed point overflow, not the size of the gradient. r=jrmuizel
The gradient on this website had, the float values of xdim and ydim were
about 7500, which is definitely representable by 16.16 fixed point values.
But the matrix had a large (> 32000) translation on it.

MozReview-Commit-ID: 1WVhZQLF99g

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extra : rebase_source : b60c5e37f7dcb94943dadfc4ac73a58e9e18f1d9
2016-05-12 17:45:38 -04:00
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