UIGraphicsPushContext
UIGraphicsPushContext is a function in the UIKit framework of Apple's operating systems, primarily used within macOS and iOS development. It is employed when you need to draw into a graphics context that is not the current one. The function takes a `CGContextRef` as an argument, which is a reference to the graphics context you want to make active. When you call UIGraphicsPushContext, the existing graphics context is saved onto a stack, and the provided `CGContextRef` becomes the new current context.
This is particularly useful when you are working with offscreen graphics contexts, such as those created for