# modules/uwindows/calibrate.h File Reference

`#include <math.h>`

## Data Structures
struct | Point
struct | Matrix
## Defines
#define | EXTERN
#define | OK 0
#define | NOT_OK -1
#define | INT32 long
## Typedefs
typedef struct Point | POINT
typedef struct Matrix | MATRIX
## Functions
EXTERN int | setCalibrationMatrix (POINT *display, POINT *screen, MATRIX *matrix)
EXTERN int | getDisplayPoint (POINT *display, POINT *screen, MATRIX *matrix)

## Define Documentation

#define EXTERN

#define INT32 long

#define NOT_OK -1

#define OK 0

## Typedef Documentation

typedef struct Matrix MATRIX

typedef struct Point POINT

## Function Documentation

EXTERN int getDisplayPoint | ( | POINT * | display,
|  | POINT * | screen,
|  | MATRIX * | matrix |
| ) |  |  |

EXTERN int setCalibrationMatrix | ( | POINT * | display,
|  | POINT * | screen,
|  | MATRIX * | matrix |
| ) |  |  |