Specifications

CARROLL TOUCH Appendix E - Dynamic Link Library (DLL) Function Reference

Touch System Programmer’s Guide E-13

Function Call

void FAR CalculateCalibInfo()

{

static unsigned int video_max_xy = 65535;

static float Xmag_float;

static float Ymag_float;

static float Xoff_float;

static float Yoff_float;

Xmag_float = video_max_xy / (touch_lr_x - touch_ul_x);

calibinfo.Xmag = Xmag_float;

Ymag_float = video_max_xy / (touch_lr_y - touch_ul_y);

calibinfo.Ymag = Ymag_float;

Xoff_float = Xmag_float * touch_ul_x);

calibinfo.Xoff = Xoff_float;

Yoff_float = Ymag_float * touch_ul_y);

calibinfo.Yoff = Yoff_float;

} /* CalculateCalibInfo */

CalculateCalibInfo();

SetCalibInfo(&calibinfo);