XSVG

Some code for arc handling is derived from code from the XSVG project.

Used in the Qt SVG library.

The sources can be found in qt-everywhere-src-5.15.15/qtsvg/src/svg/qtsvghandler.cpp.

 Copyright 2002 USC/Information Sciences Institute

Historical Permission Notice and Disclaimer - sell variant.

 Copyright  2002 USC/Information Sciences Institute

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