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⚠️ This documentation is valid for 1.93.0+ which will implement several ImDrawList improvements. The code is available for testing in the features/drawlist_193 branch. Some features and aspects of this document may not be valid for <1.93.0.
Related: [[ImDrawList Vector Rendering Reference|Draw-List]] and [[Pixel Perfect Anti-aliased Rendering|Pixel-Perfect-Rendering]] guides.
![Overview](polyline_rendering/overview.svg)
The anti-aliased polyline rendering is based on expanding the stroke of the polyline, and making it slightly blurry by creating a fringe around the perimeter.