RFR: 8090547: Allow for transparent backgrounds in WebView [v8]

Kevin Rushforth kcr at openjdk.java.net
Thu Sep 9 15:53:07 UTC 2021

On Thu, 9 Sep 2021 08:52:31 GMT, Jose Pereda <jpereda at openjdk.org> wrote:

>> Currently, `WebPage` has already a public `setBackgroundColor()` method, but the class is not public. Therefore, public API is needed in `WebView` to allow developers access to it.
>> In line with the `fontSmoothingType` property, this PR provides public support for setting the background color of a WebPage, by adding a `pageFill` property, and a CSR is required.
>> The color for the background, that can be opaque, transparent or with any level of opacity, can be set via code or via CSS using `-fx-page-fill`.
>> Unit tests and a system test are provided.
> Jose Pereda has updated the pull request incrementally with one additional commit since the last revision:
>   Changes required per reviewer

Latest changes look good. The new test fails for me on Linux, though. I tried it both on my Ubuntu 20.04 VM and on an older Ubuntu 16.0.4 physical machine.

I don't think it's just a test issue, either. When the OpenGL pipeline I get some odd looking ghosting around the text while the test is scrolling. Have you tested this on Linux?


PR: https://git.openjdk.java.net/jfx/pull/563

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