TouchCalibration

touchgfx/transforms/TouchCalibration.hpp

Calibrates a touch coordinate. Class TouchCalibraiton is responsible for translating coordinates (Point) based on matrix of calibration values.

Public Functions


	TouchCalibration()


void	setCalibrationMatrix(const Point ref, const Point scr)
	Initializes the calibration matrix based on reference and measured values.

void	translatePoint(Point & p)
	Translates the specified point using the matrix.


TouchCalibration	(			)

Initializes the calibration matrix based on reference and measured values.

Parameters:


ref	Pointer to array of three reference points.
scr	Pointer to array of three measured points.

Translates the specified point using the matrix.

If matrix has not been initialized, p is not modified.

Parameters:


p	The point to translate.


static void setCalibrationMatrix	(	const Point *	ref ,
		const Point *	scr
		)