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