Convenience Functions for Path Segments
These functions are convenience constructors for path segment objects
of classes "PathMoveTo", "PathLineTo",
"PathCurveTo" and "PathClosePath".
moveTo(x, y) lineTo(x, y) curveTo(x, y) closePath(x, y)
x |
A numeric vector representing x-locations. |
y |
A numeric vector representing y-locations. |
For x and y, they should each be of length one so that
they represent a single point location except in the case of
curveTo. In the case of curveTo, it expects x and
y vectors of length four, which represent control points in a
cubic bezier curve.
For moveTo, an object of class "PathMoveTo".
For lineTo, an object of class "PathLineTo".
For curveTo, an object of class "PathCurveTo".
For closePath, an object of class "PathClosePath".
Simon Potter
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