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Touch Calibration Functions (Compact 2013)

3/26/2014

The touch calibration functions correct for misalignment between the touch and display elements of the touch screen. The touch proxy driver uses the touch calibration functions to calibrate touch contact points generated by user touches.

The following table shows the touch calibration functions with a description of the purpose of each.

Function

Description

TchCal_SetCalibrationData

Sets the calibration data that TchCal_CalibrateSample uses to calibrate touch contact points.

TchCal_CalibrateSample

Calibrates a touch contact point.

TchCal_SetDisplayInfo

Sets the subpixel accuracy value that TchCal_CalibrateSample uses.

See Also

Reference

Touch Driver Reference