Draws the receiver's image data at the specified point in the current coordinate system.
- macOS 10.0+
The point in the current coordinate system at which to draw the image.
YES if the image was successfully drawn; otherwise,
NO. If the size of the image has not yet been set, this method returns
This method sets the origin of the current coordinate system to the specified point and then invokes the receiver’s
draw method to draw the image at that point. Upon completion, it restores the current coordinates to their original setting. If
a is (0.0, 0.0), this method simply invokes the