readppm.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include "readpng.h"

Go to the source code of this file.

Functions
void	readpng_version_info ()
int	readpng_init (FILE *infile, ulg *pWidth, ulg *pHeight)
int	readpng_get_bgcolor (uch *red, uch *green, uch *blue)
uch *	readpng_get_image (double display_exponent, int *pChannels, ulg *pRowbytes)
void	readpng_cleanup (int free_image_data)

Variables
ulg	width
ulg	height
int	bit_depth
int	color_type
int	channels
uch *	image_data = NULL
FILE *	saved_infile

Function Documentation

readpng_cleanup()

void readpng_cleanup

(

int

free_image_data

)

Definition at line 173 of file readppm.c.

References free(), image_data, and NULL.

readpng_get_bgcolor()

int readpng_get_bgcolor	(	uch *	red,
		uch *	green,
		uch *	blue
	)

Definition at line 133 of file readppm.c.

References png_jmpbuf.

readpng_get_image()

uch* readpng_get_image	(	double	display_exponent,
		int *	pChannels,
		ulg *	pRowbytes
	)

Definition at line 143 of file readppm.c.

readpng_init()

int readpng_init	(	FILE *	infile,
		ulg *	pWidth,
		ulg *	pHeight
	)

Definition at line 81 of file readppm.c.

References bit_depth, channels, color_type, height, infile, png_sig_cmp(), saved_infile, and width.

readpng_version_info()

void readpng_version_info

(

void

)

Definition at line 73 of file readppm.c.

References png_libpng_ver, PNG_LIBPNG_VER_STRING, ZLIB_VERSION, and zlib_version.

Variable Documentation

bit_depth

int bit_depth

Definition at line 68 of file readppm.c.

Referenced by readpng_init().

channels

int channels

Definition at line 68 of file readppm.c.

Referenced by png_do_unshift(), and readpng_init().

color_type

int color_type

Definition at line 68 of file readppm.c.

Referenced by readpng_init().

height

ulg height

Definition at line 67 of file readppm.c.

Referenced by readpng_init().

image_data

uch* image_data = NULL

Definition at line 69 of file readppm.c.

Referenced by readpng_cleanup().

saved_infile

FILE* saved_infile

Definition at line 70 of file readppm.c.

Referenced by readpng_init().

width

ulg width

Definition at line 67 of file readppm.c.

Referenced by readpng_init().