bors-servo 3f1ae64255 Auto merge of #16666 - pyfisch:gradients, r=emilio ... Improvements to gradients. This is a collection of commits improving the rendering of linear and radial gradients by making them conform more closely to the spec. All commits are are independent and should work without the others. These commits address the following issues: * a956e3fd52 resolves #3908 but contains also some other necessary changes to `convert_gradient_stops`. The updated function has a few more copys but should be more correct. Maybe @pcwalton wants to comment since he has originally written the code. * b230be8aaf partially solves #16638. (Partially because `border-image-outset` is not implemented. This is an older issue for border gradients: #15894. To quickly catch regressions and see changes to gradients I have created [a set of twelve manual testcases](https://pyfisch.org/stuff/testcases-gradients.html) and placed them in a single file. Attached are two files. One shows how the gradients were rendered before the PR the other one with the changes applied.   r? @emilio and maybe also @jdm? --- - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors <!-- Reviewable:start --> --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/16666) <!-- Reviewable:end -->		2017-05-07 07:56:51 -05:00
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mod.rs	Auto merge of #16666 - pyfisch:gradients, r=emilio	2017-05-07 07:56:51 -05:00