Part II: System Management

47 Pen Manager

Pen Manager Functions

PenCalibrate

PenResetCalibration

This chapter provides reference material for the pen manager. The pen manager API is declared in the header file PenMgr.h.

For more information on the pen manager, see "The Pen Manager" of the Palm OS Programmer's Companion, vol. I.

Pen Manager Functions ^TOP^

PenCalibrate Function ^TOP^

Purpose

Set the calibration of the pen.

Declared In

Prototype

Err PenCalibrate (
   PointType *digTopLeftP,
   PointType *digBotRightP,
   PointType *scrTopLeftP,
   PointType *scrBotRightP
)

Parameters

digTopLeftP

Digitizer output from top-left coordinate.

digBotRightP

Digitizer output from bottom-right coordinate.

scrTopLeftP

Screen coordinate near top-left corner.

scrBotRightP

Screen coordinate near bottom-right corner.

Returns

Returns 0 if no error.

Comments

Called by Preferences application when calibrating pen.

Compatibility

If Palm OS Cobalt Feature Set is present this function does nothing.

See Also

PenResetCalibration()

PenResetCalibration Function ^TOP^

Purpose

Reset the calibration in preparation for calibrating the pen again.

Declared In

Prototype

Err PenResetCalibration (
   void
)

Parameters

None.

Returns

Always returns 0.

Comments

Called by Preferences application before capturing points when calibrating the pen.

Compatibility

If Palm OS Cobalt Feature Set is present this function does nothing.

See Also

PenCalibrate()