image(actions:)
Creates an image from a set of drawing instructions.
Declaration
func image(actions: (UIGraphicsImageRendererContext) -> Void) -> UIImageParameters
- actions:
A Drawingactions block that, when invoked by the renderer, executes a set of drawing instructions to create the output image.
Return Value
A UIImage object created by the supplied drawing actions.
Discussion
You provide a set of drawing instructions as the block argument to this method, and the method will return the resultant UIImage object.
You can call this method repeatedly to create multiple images, each of which has identical dimensions and format.