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 tqtc-qt5/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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and its documentation for any purpose is hereby granted without
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