UE4Cairo
This project integrates the vector graphics library Cairo into UE4. Currently it offers a dozen high level Blueprint functions to draw lines, rectangles, circles and text in memory and to create dynamic textures, to use on meshes and UMG widgets. Advanced Cairo functionality can be used from C++. UE4Cairo is useful, when you want to draw on textures during runtime. Textures of different sizes can be created depending on resolution, with vector graphics scaling better than pixel graphics.
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All shapes on the screenshot were created with UE4Cairo. The ‘Button’ is a widget blueprint with a texture created by UE4Cairo.
UE4Cairo comes under the MIT license which allows both free and commercial use.
The project is still in development and completely undocumented. There are two sample blueprints in the project, that show the use of every Blueprint function. The C++ source code shouldn’t be hard to understand either. Also I have to find out yet, how to build a plugin.
Wether I continue to work on this, is largely dependent on the interest by the community (meaning you :)).