UIGraphicsBeginImageContext(_:)
Creates a bitmap-based graphics context and makes it the current context.
Declaration
func UIGraphicsBeginImageContext(_ size: CGSize)Parameters
- size:
The size of the new bitmap context. This represents the size of the image returned by the Uigraphicsgetimagefromcurrentimagecontext() function.
Discussion
This function is equivalent to calling the UIGraphicsBeginImageContextWithOptions(_:_:_:) function with the opaque parameter set to false and a scale factor of 1.0.
This function may be called from any thread of your app.