Part IV. GraphPaper: A Multithreaded, Mouse-Tracking Application

Part IV, Chapter 16 through Chapter 21, focuses on building our last major application, called GraphPaper. Given a range and step, GraphPaper will graph a mathematical function in color and use mouseovers to identify graph points. We also embed in GraphPaper many of the standard features of commercial Mac OS X applications, such as services, copy and paste, and the use of the Mac OS X preferences database.

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