servo/webrender

Support for conic gradients (CSS4)?

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#3,190 opened on Oct 11, 2018

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difficulty: moderatehelp wantedtype: enhancement

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Description

CSS4 defines "conic" gradients as an addition to regular linear and radial radients, i.e. gradients that look like this:

Conic gradient

I know this is a very advanced feature to ask for and it's ok to assign this a low priority, but it would make things such as color wheels and skeuomorphic dials for VSTs easier to create. I wanted to ask if it is planned to support these types of gradients in webrender.

Contributor guide

Research direction
Study the existing linear and radial gradient implementation in webrender, understand the shader and scaling operations, then design a conic gradient path similar to CSS4 specification.
Tech stack
rust
Domain
backendcomputer graphics
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
RustGraphics programmingWebRender internals
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20