ifs.cpp File Reference

#include <array>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include "ifs.h"
#include "goom_core.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

Typedefs
using	DBL = double
using	F_PT = float
using	SIMI = struct Similitude_Struct
using	FRACTAL = struct Fractal_Struct
using	SimiData = std::array< SIMI, 5 *MAX_SIMI >

Functions
static long	LRAND ()
static int	NRAND (int n)
static F_PT	DBL_To_F_PT (DBL x)
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, SimiData &simi_set, int offset, int count)
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 constexpr double	MAXRAND { 2147483648.0 }
static constexpr uint8_t	FIX { 12 }
static constexpr uint16_t	UNIT { 1<<FIX }
static constexpr size_t	MAX_SIMI { 6 }
static constexpr int8_t	MAX_DEPTH_2 { 10 }
static constexpr int8_t	MAX_DEPTH_3 { 6 }
static constexpr int8_t	MAX_DEPTH_4 { 4 }
static constexpr int8_t	MAX_DEPTH_5 { 2 }
static FRACTAL *	Root = (FRACTAL *) nullptr
static FRACTAL *	Cur_F
IFSPoint *	Buf
static int	Cur_Pt

Typedef Documentation

DBL

using DBL = double

Definition at line 54 of file ifs.cpp.

F_PT

using F_PT = float

Definition at line 55 of file ifs.cpp.

SIMI

using SIMI = struct Similitude_Struct

Definition at line 71 of file ifs.cpp.

FRACTAL

using FRACTAL = struct Fractal_Struct

Definition at line 72 of file ifs.cpp.

SimiData

using SimiData = std::array<SIMI,5 * MAX_SIMI>

Definition at line 84 of file ifs.cpp.

Function Documentation

LRAND()

static long LRAND ( )

inlinestatic

Definition at line 48 of file ifs.cpp.

Referenced by Gauss_Rand(), Half_Gauss_Rand(), and NRAND().

NRAND()

static int NRAND ( int  n )

inlinestatic

Definition at line 49 of file ifs.cpp.

Referenced by Gauss_Rand(), and init_ifs().

DBL_To_F_PT()

static F_PT DBL_To_F_PT ( DBL  x )

inlinestatic

Definition at line 68 of file ifs.cpp.

Referenced by Draw_Fractal().

Gauss_Rand()

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

static

Definition at line 111 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 121 of file ifs.cpp.

Referenced by Random_Simis().

Random_Simis()

static void Random_Simis ( FRACTAL *  F, SimiData &  simi_set, int  offset, int  count  )

static

Definition at line 129 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 144 of file ifs.cpp.

Referenced by free_ifs(), and init_ifs().

free_ifs()

static void free_ifs ( FRACTAL *  Fractal )

static

Definition at line 158 of file ifs.cpp.

Referenced by init_ifs(), and release_ifs().

init_ifs()

void init_ifs	(	int	width,
		int	height
	)

Definition at line 166 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 290 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 311 of file ifs.cpp.

Referenced by Draw_Fractal().

Draw_Fractal()

static void Draw_Fractal ( void  )

static

Definition at line 335 of file ifs.cpp.

Referenced by draw_ifs().

draw_ifs()

IFSPoint* draw_ifs

(

int *

nbPoints

)

Definition at line 411 of file ifs.cpp.

Referenced by ifs_update().

release_ifs()

void release_ifs

(

)

Definition at line 485 of file ifs.cpp.

Referenced by goom_close().

Variable Documentation

MAXRAND

constexpr double MAXRAND { 2147483648.0 }

staticconstexpr

Definition at line 50 of file ifs.cpp.

Referenced by Gauss_Rand(), and Half_Gauss_Rand().

FIX

constexpr uint8_t FIX { 12 }

staticconstexpr

Definition at line 59 of file ifs.cpp.

UNIT

constexpr uint16_t UNIT { 1<<FIX }

staticconstexpr

Definition at line 60 of file ifs.cpp.

Referenced by DBL_To_F_PT(), Trace(), and Transform().

MAX_SIMI

constexpr size_t MAX_SIMI { 6 }

staticconstexpr

Definition at line 61 of file ifs.cpp.

Referenced by init_ifs().

MAX_DEPTH_2

constexpr int8_t MAX_DEPTH_2 { 10 }

staticconstexpr

Definition at line 63 of file ifs.cpp.

Referenced by init_ifs().

MAX_DEPTH_3

constexpr int8_t MAX_DEPTH_3 { 6 }

staticconstexpr

Definition at line 64 of file ifs.cpp.

Referenced by init_ifs().

MAX_DEPTH_4

constexpr int8_t MAX_DEPTH_4 { 4 }

staticconstexpr

Definition at line 65 of file ifs.cpp.

Referenced by init_ifs().

MAX_DEPTH_5

constexpr int8_t MAX_DEPTH_5 { 2 }

staticconstexpr

Definition at line 66 of file ifs.cpp.

Referenced by init_ifs().

Root

FRACTAL* Root = (FRACTAL *) nullptr

static

Definition at line 102 of file ifs.cpp.

Referenced by Draw_Fractal(), draw_ifs(), init_ifs(), MythTVMenu::ProcessIncludes(), and release_ifs().

Cur_F

FRACTAL * Cur_F

static

Definition at line 102 of file ifs.cpp.

Referenced by Draw_Fractal(), and Trace().

Buf

IFSPoint* Buf

Definition at line 105 of file ifs.cpp.

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

Cur_Pt

int Cur_Pt

static

Definition at line 106 of file ifs.cpp.

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