ifs.cpp File Reference

#include <cmath>
#include <cstdio>
#include <cstdlib>
#include "ifs.h"
#include "goom_tools.h"

Include dependency graph for ifs.cpp:

Go to the source code of this file.

Classes
struct	Similitude_Struct
struct	Fractal_Struct

Macros
#define	MODE_ifs
#define	PROGCLASS   "IFS"
#define	HACK_INIT   init_ifs
#define	HACK_DRAW   draw_ifs
#define	ifs_opts   xlockmore_opts
#define	DEFAULTS
#define	SMOOTH_COLORS
#define	LRAND()   ((long) (RAND() & 0x7fffffff))
#define	NRAND(n)   ((int) (LRAND() % (n)))
#define	MAXRAND
#define	FIX   12
#define	UNIT   ( 1<<FIX )
#define	MAX_SIMI   6
#define	MAX_DEPTH_2   10
#define	MAX_DEPTH_3   6
#define	MAX_DEPTH_4   4
#define	MAX_DEPTH_5   2
#define	DBL_To_F_PT(x)   (F_PT)( (DBL)(UNIT)*(x) )

Typedefs
using	DBL = double
using	F_PT = float
using	SIMI = struct Similitude_Struct
using	FRACTAL = struct Fractal_Struct

Functions
static DBL	Gauss_Rand (DBL c, DBL A, DBL S)
static DBL	Half_Gauss_Rand (DBL c, DBL A, DBL S)
static void	Random_Simis (FRACTAL *F, SIMI *Cur, int i)
static void	free_ifs_buffers (FRACTAL *Fractal)
static void	free_ifs (FRACTAL *Fractal)
void	init_ifs (int width, int height)
static void	Transform (SIMI *Simi, F_PT xo, F_PT yo, F_PT *x, F_PT *y)
static void	Trace (FRACTAL *F, F_PT xo, F_PT yo)
static void	Draw_Fractal (void)
IFSPoint *	draw_ifs (int *nbPoints)
void	release_ifs ()

Variables
static FRACTAL *	Root = (FRACTAL *) nullptr
static FRACTAL *	Cur_F
IFSPoint *	Buf
static int	Cur_Pt

Macro Definition Documentation

MODE_ifs

#define MODE_ifs

Definition at line 45 of file ifs.cpp.

PROGCLASS

#define PROGCLASS   "IFS"

Definition at line 47 of file ifs.cpp.

HACK_INIT

#define HACK_INIT   init_ifs

Definition at line 49 of file ifs.cpp.

HACK_DRAW

#define HACK_DRAW   draw_ifs

Definition at line 50 of file ifs.cpp.

ifs_opts

#define ifs_opts   xlockmore_opts

Definition at line 52 of file ifs.cpp.

DEFAULTS

#define DEFAULTS

Value:

 "*delay: 20000 \n" \
 "*ncolors: 100 \n"

Definition at line 54 of file ifs.cpp.

SMOOTH_COLORS

#define SMOOTH_COLORS

Definition at line 57 of file ifs.cpp.

LRAND

#define LRAND

(

)

((long) (RAND() & 0x7fffffff))

Definition at line 81 of file ifs.cpp.

NRAND

#define NRAND

(

n

)

((int) (LRAND() % (n)))

Definition at line 82 of file ifs.cpp.

MAXRAND

#define MAXRAND

Value:

                                                                                                                                                                                                         (2147483648.0) /* unsigned 1<<31 as a * *
                                                                                                                                                                                                         * * float */

Definition at line 83 of file ifs.cpp.

FIX

#define FIX   12

Definition at line 92 of file ifs.cpp.

UNIT

#define UNIT   ( 1<<FIX )

Definition at line 93 of file ifs.cpp.

MAX_SIMI

#define MAX_SIMI   6

Definition at line 94 of file ifs.cpp.

MAX_DEPTH_2

#define MAX_DEPTH_2   10

Definition at line 96 of file ifs.cpp.

MAX_DEPTH_3

#define MAX_DEPTH_3   6

Definition at line 97 of file ifs.cpp.

MAX_DEPTH_4

#define MAX_DEPTH_4   4

Definition at line 98 of file ifs.cpp.

MAX_DEPTH_5

#define MAX_DEPTH_5   2

Definition at line 99 of file ifs.cpp.

DBL_To_F_PT

#define DBL_To_F_PT

(

x

)

(F_PT)( (DBL)(UNIT)*(x) )

Definition at line 111 of file ifs.cpp.

Typedef Documentation

DBL

using DBL = double

Definition at line 86 of file ifs.cpp.

F_PT

using F_PT = float

Definition at line 87 of file ifs.cpp.

SIMI

using SIMI = struct Similitude_Struct

Definition at line 112 of file ifs.cpp.

FRACTAL

using FRACTAL = struct Fractal_Struct

Definition at line 113 of file ifs.cpp.

Function Documentation

Gauss_Rand()

static DBL Gauss_Rand ( DBL  c, DBL  A, DBL  S  )

static

Definition at line 151 of file ifs.cpp.

Referenced by Random_Simis().

Half_Gauss_Rand()

static DBL Half_Gauss_Rand ( DBL  c, DBL  A, DBL  S  )

static

Definition at line 161 of file ifs.cpp.

Referenced by Random_Simis().

Random_Simis()

static void Random_Simis ( FRACTAL *  F, SIMI *  Cur, int  i  )

static

Definition at line 169 of file ifs.cpp.

Referenced by draw_ifs(), and init_ifs().

free_ifs_buffers()

static void free_ifs_buffers ( FRACTAL *  Fractal )

static

Definition at line 183 of file ifs.cpp.

Referenced by free_ifs(), and init_ifs().

free_ifs()

static void free_ifs ( FRACTAL *  Fractal )

static

Definition at line 197 of file ifs.cpp.

Referenced by init_ifs(), and release_ifs().

init_ifs()

void init_ifs	(	int	width,
		int	height
	)

Definition at line 205 of file ifs.cpp.

Referenced by goom_init(), and goom_set_resolution().

Transform()

static void Transform ( SIMI *  Simi, F_PT  xo, F_PT  yo, F_PT *  x, F_PT *  y  )

inlinestatic

Definition at line 331 of file ifs.cpp.

Referenced by Draw_Fractal(), MythComboBufferVulkan::PushData(), and Trace().

Trace()

static void Trace ( FRACTAL *  F, F_PT  xo, F_PT  yo  )

static

Definition at line 352 of file ifs.cpp.

Referenced by Draw_Fractal().

Draw_Fractal()

static void Draw_Fractal ( void  )

static

Definition at line 376 of file ifs.cpp.

Referenced by draw_ifs().

draw_ifs()

IFSPoint* draw_ifs

(

int *

nbPoints

)

Definition at line 452 of file ifs.cpp.

Referenced by ifs_update().

release_ifs()

void release_ifs

(

)

Definition at line 526 of file ifs.cpp.

Referenced by goom_close().

Variable Documentation

Root

FRACTAL* Root = (FRACTAL *) nullptr

static

Definition at line 142 of file ifs.cpp.

Referenced by Draw_Fractal(), draw_ifs(), init_ifs(), and release_ifs().

Cur_F

FRACTAL * Cur_F

static

Definition at line 142 of file ifs.cpp.

Referenced by Draw_Fractal(), and Trace().

Buf

IFSPoint* Buf

Definition at line 145 of file ifs.cpp.

Referenced by BDRead(), Draw_Fractal(), MythBDInfo::MythBDInfo(), MythFileStat(), MythFileStatFD(), and Trace().

Cur_Pt

int Cur_Pt

static

Definition at line 146 of file ifs.cpp.

Referenced by Draw_Fractal(), draw_ifs(), and Trace().