rotozoom.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <inttypes.h>
#include "utils.c"

Go to the source code of this file.

Macros
#define	FIXP   (1 << 16)
#define	MY_PI   205887
#define	W   256
#define	H   256

Functions
static int64_t	int_pow (int64_t a, int p)
static int64_t	int_sin (int64_t a)
static int	ipol (uint8_t *src, int x, int y)
static void	gen_image (int num, int w, int h)
static int	init_demo (const char *filename)
int	main (int argc, char **argv)

Variables
static unsigned char	tab_r [256 *256]
static unsigned char	tab_g [256 *256]
static unsigned char	tab_b [256 *256]
static int	h_cos [360]
static int	h_sin [360]

Macro Definition Documentation

FIXP

#define FIXP   (1 << 16)

Definition at line 29 of file rotozoom.c.

Referenced by gen_image(), init_demo(), and int_pow().

MY_PI

#define MY_PI   205887

Definition at line 30 of file rotozoom.c.

Referenced by init_demo(), and int_sin().

W

#define W   256

Definition at line 115 of file rotozoom.c.

Referenced by init_demo().

H

#define H   256

Definition at line 116 of file rotozoom.c.

Referenced by init_demo().

Function Documentation

int_pow()

static int64_t int_pow ( int64_t  a, int  p  )

static

Definition at line 32 of file rotozoom.c.

Referenced by int_sin().

int_sin()

static int64_t int_sin ( int64_t  a )

static

Definition at line 44 of file rotozoom.c.

Referenced by init_demo().

ipol()

static int ipol ( uint8_t *  src, int  x, int  y  )

static

Definition at line 65 of file rotozoom.c.

Referenced by gen_image(), and interpol().

gen_image()

static void gen_image ( int  num, int  w, int  h  )

static

Definition at line 81 of file rotozoom.c.

Referenced by main().

init_demo()

static int init_demo ( const char *  filename )

static

Definition at line 118 of file rotozoom.c.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 157 of file rotozoom.c.

Variable Documentation

tab_r

unsigned char tab_r[256 *256]

static

Definition at line 58 of file rotozoom.c.

Referenced by gen_image(), and init_demo().

tab_g

unsigned char tab_g[256 *256]

static

Definition at line 59 of file rotozoom.c.

Referenced by gen_image(), and init_demo().

tab_b

unsigned char tab_b[256 *256]

static

Definition at line 60 of file rotozoom.c.

Referenced by gen_image(), and init_demo().

h_cos

int h_cos[360]

static

Definition at line 62 of file rotozoom.c.

Referenced by gen_image(), and init_demo().

h_sin

int h_sin[360]

static

Definition at line 63 of file rotozoom.c.

Referenced by gen_image(), and init_demo().