# CanvasContext.arcTo(number x1, number y1, number x2, number y2, number radius)
Start from base library version 1.9.90. Please remaining backward compatible.
with Promise style call: Not supported
Mini Program plugin: Support
Draws arc paths based on control points and radius.
# parameter
# number x1
Of the first control point. x Axis coordinate
# number y1
Of the first control point. and Axis coordinate
# number x2
Of the second control point. x Axis coordinate
# number y2
Of the second control point. and Axis coordinate
# number radius
Radius of an arc