# RenderingContext OffscreenCanvas.getContext(string contextType)

Start from base library version 2.7.0. Please remaining backward compatible.

with Promise style call: Not supported

Mini Program plugin: Support, need to Mini Program base library version no less than 2.16.1

This method returns OffscreenCanvas Drawing context

# parameter

# string contextType

Drawing context type, which requires the createOffscreenCanvas Passed in when type Agreement

contextType Legal value

# Return value

# RenderingContext

Be careful not to mix webgl and 2d Drawing context, incoming contextType You have to work with wx.createOffscreenCanvas Incoming type Same type.