Cocoa Programming for OS X: The Big Nerd Ranch Guide

Challenge: An Even Better Scattered

Adapt Scattered to use the proper solution outlined in the previous section. Because NSImage avoids doing disk I/O until absolutely necessary, you will need to read the data in manually and then create the image using that data. NSData will read the image data. Check the documentation or header file for NSImage to find a way to create an image from an NSData object.