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Auto merge of #18517 - BorisChiou:stylo/filter/clamp, r=emilio

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style: Clamp some filter functions to one if the values over 100%

For grayscale, invert, opacity, and sepia, "values of amount over 100%
are allowed but UAs must clamp the values to 1" [1]-[4], so we clamp its value
in the parser.

[1] https://drafts.fxtf.org/filter-effects/#funcdef-filter-grayscale
[2] https://drafts.fxtf.org/filter-effects/#funcdef-filter-invert
[3] https://drafts.fxtf.org/filter-effects/#funcdef-filter-opacity
[4] https://drafts.fxtf.org/filter-effects/#funcdef-filter-sepia

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix [Bug 1399799](https://bugzilla.mozilla.org/show_bug.cgi?id=1399799).
- [X] There are tests for these changes

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This commit is contained in:
bors-servo 2017-09-18 05:23:36 -05:00 • committed by GitHub
commit cff9b427fc
4 changed files with 62 additions and 7 deletions
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3
tests/wpt/metadata-css/filters-1_dev/html/filter-grayscale-005.htm.ini
View file

@ -1,3 +0,0 @@
[filter-grayscale-005.htm]
type: reftest
expected: FAIL