forked from amazingfate/loongoffice
(cherry picked from commit d33d09be15d01ae74a9b895e6c17cba63f1f84ed) Change-Id: I2646e27a017a37a517d1f82b281fa59794b635db
Algorithms and data types for graphics (e.g. polygons, vectors, matrices and the like - see that used in [[canvas]]).