pngtest.c File Reference

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

Include dependency graph for pngtest.c:

Go to the source code of this file.

Macros
#define	FCLOSE(file)   fclose(file)
#define	PNG_DEBUG   0
#define	PNG_tIME_STRING_LENGTH   29
#define	READFILE(file, data, length, check)   check=(png_size_t)fread(data, (png_size_t)1, length, file)
#define	SINGLE_ROWBUF_ALLOC   /* makes buffer overruns easier to nail */
#define	STDERR   stdout /* for DOS */
#define	WRITEFILE(file, data, length, check)   check=(png_size_t)fwrite(data, (png_size_t)1, length, file)

Typedefs
typedef version_1_2_32	your_png_h_is_not_version_1_2_32

Functions
void	count_filters (png_structp png_ptr, png_row_infop row_info, png_bytep data)
void	count_zero_samples (png_structp png_ptr, png_row_infop row_info, png_bytep data)
int	main (int argc, char *argv[])
int test_one_file	PNGARG ((PNG_CONST char *inname, PNG_CONST char *outname))
void	read_row_callback (png_structp png_ptr, png_uint_32 row_number, int pass)
static int	read_user_chunk_callback (png_struct *png_ptr, png_unknown_chunkp chunk)
int	test_one_file (PNG_CONST char *inname, PNG_CONST char *outname)
void	write_row_callback (png_structp png_ptr, png_uint_32 row_number, int pass)

Variables
static png_uint_32	filters_used [256]
static PNG_CONST char *	inname = "pngtest.png"
static PNG_CONST char *	outname = "pngout.png"
static int	status_dots = 1
static int	status_dots_requested = 0
static int	status_pass = 1
static int	tIME_chunk_present = 0
static char	tIME_string [PNG_tIME_STRING_LENGTH] = "tIME chunk is not present"
static png_uint_32	user_chunk_data [4]
static int	verbose = 0
static int	wrote_question = 0
static png_uint_32	zero_samples

Macro Definition Documentation

FCLOSE

#define FCLOSE

(

file

)

fclose(file)

Definition at line 51 of file pngtest.c.

PNG_DEBUG

#define PNG_DEBUG   0

Definition at line 64 of file pngtest.c.

PNG_tIME_STRING_LENGTH

#define PNG_tIME_STRING_LENGTH   29

Definition at line 85 of file pngtest.c.

READFILE

#define READFILE	(		file,
			data,
			length,
			check
	)		check=(png_size_t)fread(data, (png_size_t)1, length, file)

Definition at line 47 of file pngtest.c.

SINGLE_ROWBUF_ALLOC

#define SINGLE_ROWBUF_ALLOC   /* makes buffer overruns easier to nail */

Definition at line 68 of file pngtest.c.

STDERR

#define STDERR   stdout /* for DOS */

Definition at line 100 of file pngtest.c.

WRITEFILE

#define WRITEFILE	(		file,
			data,
			length,
			check
	)		check=(png_size_t)fwrite(data, (png_size_t)1, length, file)

Definition at line 49 of file pngtest.c.

Typedef Documentation

your_png_h_is_not_version_1_2_32

typedef version_1_2_32 your_png_h_is_not_version_1_2_32

Definition at line 1688 of file pngtest.c.

Function Documentation

count_filters()

void count_filters	(	png_structp	png_ptr,
		png_row_infop	row_info,
		png_bytep	data
	)

Definition at line 174 of file pngtest.c.

count_zero_samples()

void count_zero_samples	(	png_structp	png_ptr,
		png_row_infop	row_info,
		png_bytep	data
	)

Definition at line 196 of file pngtest.c.

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 1437 of file pngtest.c.

PNGARG()

int test_one_file PNGARG

(

(PNG_CONST char *inname, PNG_CONST char *outname)

)

read_row_callback()

void read_row_callback	(	png_structp	png_ptr,
		png_uint_32	row_number,
		int	pass
	)

Definition at line 126 of file pngtest.c.

read_user_chunk_callback()

static int read_user_chunk_callback ( png_struct *  png_ptr, png_unknown_chunkp  chunk  )

static

Definition at line 610 of file pngtest.c.

test_one_file()

int test_one_file	(	PNG_CONST char *	inname,
		PNG_CONST char *	outname
	)

Definition at line 664 of file pngtest.c.

write_row_callback()

void write_row_callback	(	png_structp	png_ptr,
		png_uint_32	row_number,
		int	pass
	)

Definition at line 153 of file pngtest.c.

Variable Documentation

filters_used

png_uint_32 filters_used[256]

static

Definition at line 164 of file pngtest.c.

inname

PNG_CONST char* inname = "pngtest.png"

static

Definition at line 1432 of file pngtest.c.

outname

PNG_CONST char* outname = "pngout.png"

static

Definition at line 1433 of file pngtest.c.

status_dots

int status_dots = 1

static

Definition at line 115 of file pngtest.c.

status_dots_requested

int status_dots_requested = 0

static

Definition at line 114 of file pngtest.c.

status_pass

int status_pass = 1

static

Definition at line 113 of file pngtest.c.

tIME_chunk_present

int tIME_chunk_present = 0

static

Definition at line 86 of file pngtest.c.

tIME_string

char tIME_string[PNG_tIME_STRING_LENGTH] = "tIME chunk is not present"

static

Definition at line 87 of file pngtest.c.

user_chunk_data

png_uint_32 user_chunk_data[4]

static

Definition at line 602 of file pngtest.c.

verbose

int verbose = 0

static

Definition at line 90 of file pngtest.c.

wrote_question

int wrote_question = 0

static

Definition at line 284 of file pngtest.c.

zero_samples

png_uint_32 zero_samples

static

Definition at line 185 of file pngtest.c.