greymap.c File Reference

#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <math.h>
#include "greymap.h"

Include dependency graph for greymap.c:

Go to the source code of this file.

Classes
struct	bmp_info_s
Defines
#define	INTBITS   (8*sizeof(int))
#define	mod(a, n)   ((a)>=(n) ? (a)%(n) : (a)>=0 ? (a) : (n)-1-(-1-(a))%(n))
#define	TRY(x)   if (x) goto try_error
#define	TRY_EOF(x)   if (x) goto eof
Typedefs
typedef struct bmp_info_s	bmp_info_t
Functions
static int	bmp_forward (FILE *f, int pos)
static int	bmp_pad (FILE *f)
static void	bmp_pad_reset (void)
static int	bmp_readint (FILE *f, int n, unsigned int *p)
static int	fgetc_ws (FILE *f)
void	gm_clear (greymap_t *gm, int b)
greymap_t *	gm_dup (greymap_t *gm)
void	gm_free (greymap_t *gm)
greymap_t *	gm_new (int w, int h)
int	gm_print (FILE *f, greymap_t *gm)
int	gm_read (FILE *f, greymap_t **gmp)
static int	gm_readbody_bmp (FILE *f, greymap_t **gmp)
static int	gm_readbody_pnm (FILE *f, greymap_t **gmp, int magic)
int	gm_writepgm (FILE *f, greymap_t *gm, char *comment, int raw, int mode, double gamma)
static int	readbit (FILE *f)
static int	readnum (FILE *f)
Variables
static int	bmp_count = 0
static int	bmp_pos = 0
char *	gm_read_error = NULL

---

Define Documentation

#define INTBITS   (8*sizeof(int))

Definition at line 17 of file greymap.c.

#define mod	(		a,
			n
	)		((a)>=(n) ? (a)%(n) : (a)>=0 ? (a) : (n)-1-(-1-(a))%(n))

Definition at line 19 of file greymap.c.

#define TRY

(

x

)

if (x) goto try_error

Definition at line 481 of file greymap.c.

#define TRY_EOF

(

x

)

if (x) goto eof

Definition at line 482 of file greymap.c.

---

Typedef Documentation

typedef struct bmp_info_s bmp_info_t

Definition at line 417 of file greymap.c.

---

Function Documentation

static int bmp_forward	(	FILE *	f,
		int	pos
	)		[static]

Definition at line 467 of file greymap.c.

static int bmp_pad

(

FILE *

f

)

[static]

Definition at line 451 of file greymap.c.

static void bmp_pad_reset

(

void

)

[static]

Definition at line 445 of file greymap.c.

static int bmp_readint	(	FILE *	f,
		int	n,
		unsigned int *	p
	)		[static]

Definition at line 426 of file greymap.c.

static int fgetc_ws

(

FILE *

f

)

[static]

Definition at line 85 of file greymap.c.

void gm_clear	(	greymap_t *	gm,
		int	b
	)

Definition at line 68 of file greymap.c.

greymap_t* gm_dup

(

greymap_t *

gm

)

Definition at line 58 of file greymap.c.

void gm_free

(

greymap_t *

gm

)

Definition at line 50 of file greymap.c.

greymap_t* gm_new	(	int	w,
		int	h
	)

Definition at line 29 of file greymap.c.

int gm_print	(	FILE *	f,
		greymap_t *	gm
	)

Definition at line 865 of file greymap.c.

int gm_read	(	FILE *	f,
		greymap_t **	gmp
	)

Definition at line 174 of file greymap.c.

static int gm_readbody_bmp	(	FILE *	f,
		greymap_t **	gmp
	)		[static]

Definition at line 491 of file greymap.c.

static int gm_readbody_pnm	(	FILE *	f,
		greymap_t **	gmp,
		int	magic
	)		[static]

Definition at line 201 of file greymap.c.

int gm_writepgm	(	FILE *	f,
		greymap_t *	gm,
		char *	comment,
		int	raw,
		int	mode,
		double	gamma
	)

Definition at line 799 of file greymap.c.

static int readbit

(

FILE *

f

)

[static]

Definition at line 145 of file greymap.c.

static int readnum

(

FILE *

f

)

[static]

Definition at line 110 of file greymap.c.

---

Variable Documentation

int bmp_count = 0 [static]

Definition at line 421 of file greymap.c.

int bmp_pos = 0 [static]

Definition at line 422 of file greymap.c.

char* gm_read_error = NULL

Definition at line 172 of file greymap.c.