Plumber: Objective-C library for Curved Connection Lines
February 5, 2014
Plumber is a tiny Objective-C library for creating curved connection lines between nodes (for flowcharts, for example). The constructed path connects the bounding boxes such that the distance between two sides is minimized. I’ve created it since a quick Google search did not reveal anything simple for iOS. The curve calculation algorithm is a direct port of the function used in the Graffle Example of the vector drawing library Raphaël.
Filed under: iOS / Objective-C / Swift
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