Fix tint op by ensuring LAB and allowing negative values #1235

Add test cases for more tint colours and input interpretations
This commit is contained in:
Lovell Fuller
2018-05-23 20:51:47 +01:00
parent b1a9bf10a2
commit 54a71fc142
9 changed files with 55 additions and 9 deletions

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test/fixtures/expected/tint-cmyk.jpg vendored Normal file

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