Feature Request Gradients

It's not on our short term TODO list, but we understand it would be a useful feature. At the moment, one way to achieve this is by using an SVG asset or the Mesh API.

 

The SVG package allows to import SVG assets, which can then be used with UIToolkit. The resulting vector image can be assigned to an Image element.

Regarding vector image generation, we're working on a Vector API that you could use directly inside generateVisualContent, but gradients are not planned for this first iteration though. Otherwise the SVG package contains APIs to define a vector scene but I'm not sure if it's available at runtime. I'll poke the main dev of that package so he can give you a more detailed answer.

 

The VectorScene API from the vector graphics package is available at runtime. However, we lack the required APIs to generate UI Toolkit-compatible VectorImages at runtime, this part is only available in the editor for the SVG importer. This gap should be resolved eventually, but I can't provide an ETA.

 

Correct. You can use VectorScene can dynamically generate 2D sprites at runtime, but you won't be able to generate UI Toolkit assets (VectorImage) at this time.

A workaround would be to dynamically create a VectorScene with a gradient, then create a sprite from it (using VectorUtils.BuildSprite), and convert it to a texture (using VectorUtils.RenderSpriteToTexture2D). This a quite heavy workflow, but the resulting texture could be used by UI Toolkit.

VectorUtils docs:
https://docs.unity3d.com/Packages/c...2.0/api/Unity.VectorGraphics.VectorUtils.html