Processing the Data

The GetPenInput function accumulates the coordinates of the pen stroke in an array of POINT structures and places information about the stroke in a STROKEINFO structure. This data is "raw" in that it represents a literal history of the pen movement. Some applications will require no more than this. However, further processing of the raw data using other functions of the Pen API usually requires placing the data into an HPENDATA or HRC object.

The next two chapters examine these objects thoroughly and continue the code fragment outlined previously. Chapter 4, "The Inking Process," describes how an application can alter or manipulate ink data with an HPENDATA object. Chapter 5, "The Recognition Process," describes the HRC object, which pertains solely to handwriting recognition.

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