Hermet Park

Support viewport feature for the scene

1

Since setting up a viewport region is a common method, we can officially support it as a replacement concept: As is: ``` //use a shape for clipping auto shape =...

Upgrade the unit-test framework (catch2)

1

the latest version is [v3.5.4](https://github.com/catchorg/Catch2/commit/b5373dadca40b7edc8570cf9470b9b1cb1934d40) currently thorvg uses: v0.2.13.10 catch3 structure has been dramatically updated since catch2. Firstly, it needs to determine whether it's compatible with ThorVG infra or not.

Stroke trimming is useful for artistic visuals including Lottie Animation. ThorVG already has this feature built-in; it could provide the APIs for general usage: ``` Shape::strokeTrim(float begin = 0.0f, float...

- [ ] Performance - [ ] Masking

gif: support an external gif saver

1

Currently thorvg has a static gif saver(thorvg/src/savers/gif) Add an external gif saver(thorvg/src/savers/external_gif) with the [giflib](https://giflib.sourceforge.net/) linking.

Every Lottie layer/property is assigned a name (ID), allowing users to access specific nodes to perform hit testing for user interactions. ThorVG could assign an ID property to every paint...

For a showcase, FillSpread example has been missed. We need add in thorvg/examples/FillRules ``` /** * @brief Enumeration specifying how to fill the area outside the gradient bounds. */ enum...

https://archlinux.org/packages/

Adding a web build test CI

2

like other platforms, The Web CI build could prevents any breakage in WASM bindings. 

Some iOS apps expect to use Metal as the thorvg backend.