Diff: calibrate.h

Revision:

0:7ad454fed160

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/calibrate.h	Wed May 23 06:25:31 2012 +0000
@@ -0,0 +1,117 @@
+/*
+ *
+ *   Copyright (c) 2001, Carlos E. Vidales. All rights reserved.
+ *
+ *   This sample program was written and put in the public domain 
+ *    by Carlos E. Vidales.  The program is provided "as is" 
+ *    without warranty of any kind, either expressed or implied.
+ *   If you choose to use the program within your own products
+ *    you do so at your own risk, and assume the responsibility
+ *    for servicing, repairing or correcting the program should
+ *    it prove defective in any manner.
+ *   You may copy and distribute the program's source code in any 
+ *    medium, provided that you also include in each copy an
+ *    appropriate copyright notice and disclaimer of warranty.
+ *   You may also modify this program and distribute copies of
+ *    it provided that you include prominent notices stating 
+ *    that you changed the file(s) and the date of any change,
+ *    and that you do not charge any royalties or licenses for 
+ *    its use.
+ * 
+ *
+ *   File Name:  calibrate.h
+ *
+ *
+ *   Definition of constants and structures, and declaration of functions 
+ *    in Calibrate.c
+ *
+ */
+
+#ifndef _CALIBRATE_H_
+
+#define _CALIBRATE_H_
+
+/****************************************************/
+/*                                                  */
+/* Included files                                   */
+/*                                                  */
+/****************************************************/
+
+#include <math.h>
+
+
+/****************************************************/
+/*                                                  */
+/* Definitions                                      */
+/*                                                  */
+/****************************************************/
+
+#ifndef		_CALIBRATE_C_
+	#define		EXTERN         extern
+#else
+	#define		EXTERN
+#endif
+
+
+
+#ifndef		OK
+	#define		OK		        0
+	#define		NOT_OK		    1
+#endif
+
+
+
+#define			INT32				long
+
+
+
+
+/****************************************************/
+/*                                                  */
+/* Structures                                       */
+/*                                                  */
+/****************************************************/
+
+
+typedef struct Point {
+                        INT32    x,
+                                 y ;
+                     } POINT ;
+
+
+
+typedef struct Matrix {
+							/* This arrangement of values facilitates 
+							 *  calculations within getDisplayPoint() 
+							 */
+                        INT32    An,     /* A = An/Divider */
+                                 Bn,     /* B = Bn/Divider */
+                                 Cn,     /* C = Cn/Divider */
+                                 Dn,     /* D = Dn/Divider */
+                                 En,     /* E = En/Divider */
+                                 Fn,     /* F = Fn/Divider */
+                                 Divider ;
+                     } MATRIX ;
+
+
+
+
+/****************************************************/
+/*                                                  */
+/* Function declarations                            */
+/*                                                  */
+/****************************************************/
+
+
+EXTERN unsigned char  setCalibrationMatrix( POINT * display,
+                                 POINT * screen,
+                                 MATRIX * matrix) ;
+
+
+EXTERN unsigned char getDisplayPoint( POINT * display,
+                            POINT * screen,
+                            MATRIX * matrix ) ;
+
+
+#endif  /* _CALIBRATE_H_ */
+