cairoGetCurrentPoint(cr, x, y)crCairo] a cairo contextxyx and y will
both be set to 0.0.
Most path construction functions alter the current point. See the
following for details on how they affect the current point:
cairoNewPath, cairoMoveTo, cairoLineTo,
cairoCurveTo, cairoArc, cairoRelMoveTo,
cairoRelLineTo, cairoRelCurveTo, cairoArc,
cairoTextPath, cairo ()
[object Object]
internal