/*****************************************************************************
** FILE IDENTIFICATION
**
-** File Name: ctsupport.h
-** Author: Kevin Rosenberg
-** Purpose: Header file for CT support library
-** Date Started: Dec. 83
+** File Name: ctsupport.h
+** Author: Kevin Rosenberg
+** Purpose: Header file for CT support library
+** Date Started: Dec. 83
**
** This is part of the CTSim program
-** Copyright (c) 1983-2001 Kevin Rosenberg
-**
-** $Id: ctsupport.h,v 1.26 2003/03/23 18:37:42 kevin Exp $
-**
+** Copyright (c) 1983-2009 Kevin Rosenberg
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
#endif
#ifndef TRUE
-#define TRUE 1
+#define TRUE 1
#endif
#ifndef FALSE
-#define FALSE 0
+#define FALSE 0
#endif
-#define OK TRUE
+#define OK TRUE
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
-#define NEWLINE '\n'
-#define TAB '\t'
-#define EOS '\0'
-#define BLANK ' '
+#define NEWLINE '\n'
+#define TAB '\t'
+#define EOS '\0'
+#define BLANK ' '
/*----------------------------------------------------------------------*/
#define ERR_TRACE -1
-#define ERR_WARNING 0
-#define ERR_SEVERE 1
-#define ERR_FATAL 2
+#define ERR_WARNING 0
+#define ERR_SEVERE 1
+#define ERR_FATAL 2
/*----------------------------------------------------------------------*/
/* codes for open command */
#ifdef MSVC
-#define OPEN_RDONLY O_RDONLY /* other system use standard codes */
-#define OPEN_WRONLY O_WRONLY /* for binary */
+#define OPEN_RDONLY O_RDONLY /* other system use standard codes */
+#define OPEN_WRONLY O_WRONLY /* for binary */
#define OPEN_RDWR O_RDWR
#else
-#define OPEN_RDONLY 0 /* other system use standard codes */
-#define OPEN_WRONLY 1 /* for binary */
+#define OPEN_RDONLY 0 /* other system use standard codes */
+#define OPEN_WRONLY 1 /* for binary */
#define OPEN_RDWR 2
#endif
#endif
-inline const char*
+inline const char*
fileBasename (const char* const filename)
{
const char* p = strrchr (filename, '/');
#include <cmath>
#define PI 3.14159265358979323846
-#define HALFPI 1.57079632679489661923 /* PI divided by 2 */
-#define QUARTPI 0.78539816339744830962 /* PI divided by 4 */
-#define I_PI 0.31830988618379067154 /* Inverse of PI */
-#define I_PID2 0.63661977236758134308 /* Inverse of PID2 */
-
-#define TWOPI 6.28318530717958647692
+#define HALFPI 1.57079632679489661923 /* PI divided by 2 */
+#define QUARTPI 0.78539816339744830962 /* PI divided by 4 */
+#define I_PI 0.31830988618379067154 /* Inverse of PI */
+#define I_PID2 0.63661977236758134308 /* Inverse of PID2 */
+
+#define TWOPI 6.28318530717958647692
#define SQRT2 1.414213562373095049
-#define F_EPSILON 1.0E-6
-#define D_EPSILON 1.0E-10
+#define F_EPSILON 1.0E-6
+#define D_EPSILON 1.0E-10
#define ASSUMEDZERO 1E-10
typedef double GRFMTX_2D[3][3];
typedef double GRFMTX_3D[4][4];
-inline double
+inline double
convertDegreesToRadians (double x)
{ return (x * (PI/180.)); }
// FUNTION DECLARATIONS
//////////////////////////////////////////////////////////////
-// clip.cpp
+// clip.cpp
bool clip_rect (double& x1, double& y1, double& x2, double& y2, const double rect[4]);
bool clip_segment (double& x1, double& y1, double& x2, double& y2, const double u, const double v);
bool clip_sector (double& x1, double& y1, double& x2, double& y2, const double u, const double v);
bool clip_triangle (double& x1, double& y1, double& x2, double& y2, const double u, const double v, const int clip_xaxis);
-// xform.cpp
+// xform.cpp
void indent_mtx2 (GRFMTX_2D m);
void xlat_mtx2 (GRFMTX_2D m, const double x, const double y);
void scale_mtx2 (GRFMTX_2D m, const double sx, const double sy);
void rot_mtx2 (GRFMTX_2D m, const double theta);
void mult_mtx2 (const GRFMTX_2D m1, const GRFMTX_2D m2, GRFMTX_2D result);
void xform_mtx2 (const GRFMTX_2D m, double& x, double& y);
+void copy_mtx2 (GRFMTX_2D to, const GRFMTX_2D from);
void rotate2d (double x[], double y[], int pts, double angle);
void xlat2d (double x[], double y[], int pts, double xoffset, double yoffset);
void scale2d (double x[], double y[], int pts, double xfact, double yfact);
/* screen character codes */
-#define SC_BKSP 8
-#define SC_TAB 9
-#define SC_BLANK ' '
+#define SC_BKSP 8
+#define SC_TAB 9
+#define SC_BLANK ' '
/* audio.cpp */
// Keyboard Section
-#define KEY_BKSP 8
-#define KEY_TAB 9
-#define KEY_RETURN 13
-#define KEY_ESCAPE 27
+#define KEY_BKSP 8
+#define KEY_TAB 9
+#define KEY_RETURN 13
+#define KEY_ESCAPE 27
// ASCII Section
#define BACKSPACE 8
-// #define LF 0x0A
-// #define CR 0x0D
-#define BELL 0x07
+// #define LF 0x0A
+// #define CR 0x0D
+#define BELL 0x07
#define SQUOTE '\''
#define DQUOTE '\"'
#define SHARP '#'
#define SLASH '/'
#define ASTERICK '*'
-#define COLON ':'
+#define COLON ':'
#define LBRACE '{'
#define RBRACE '}'
-#define LPAREN '('
+#define LPAREN '('
#define RPAREN ')'
-#define LBRACK '['
-#define RBRACK ']'
+#define LBRACK '['
+#define RBRACK ']'
#define LANBRACK '<'
#define RANBRACK '>'
#define SEMICOL ';'
#define UNDERLIN '_'
-#define COMMA ','
-#define CARET '^'
-#define TILDE '~'
-#define ATSIGN '@'
+#define COMMA ','
+#define CARET '^'
+#define TILDE '~'
+#define ATSIGN '@'
#define AMPERSAND '&'
-#define EXCLAM '!'
-#define DOLLAR '$'
+#define EXCLAM '!'
+#define DOLLAR '$'
#define PERCENT '%'
-#define PLUS '+'
-#define HYPHEN '-'
-#define EQUALS '='
+#define PLUS '+'
+#define HYPHEN '-'
+#define EQUALS '='
#define QUESTION '?'
-#define PERIOD '.'
+#define PERIOD '.'
#define VERTBAR '|'
-#endif /* #ifndef CTSUPPORT_H */
+#endif /* #ifndef CTSUPPORT_H */