Referencia del Archivo src/qt/src/3rdparty/libpng/pngtest.c

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

Clases
struct	memory_information
'defines'
#define	READFILE(file, data, length, check)   check=(png_size_t)fread(data,(png_size_t)1,length,file)
#define	WRITEFILE(file, data, length, check)   check=(png_size_t)fwrite(data,(png_size_t)1, length, file)
#define	FCLOSE(file)   fclose(file)
#define	PNG_DEBUG   0
#define	SINGLE_ROWBUF_ALLOC
#define	STDERR   stdout
#define	HANDLE_CHUNK_IF_SAFE   2
#define	HANDLE_CHUNK_ALWAYS   3
'typedefs'
typedef struct memory_information	memory_information
typedef memory_information FAR *	memory_infop
typedef version_1_2_5	your_png_h_is_not_version_1_2_5
Funciones
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)
void	write_row_callback (png_structp png_ptr, png_uint_32 row_number, int pass)
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)
png_voidp png_debug_malloc	PNGARG ((png_structp png_ptr, png_uint_32 size))
void png_debug_free	PNGARG ((png_structp png_ptr, png_voidp ptr))
png_voidp	png_debug_malloc (png_structp png_ptr, png_uint_32 size)
void	png_debug_free (png_structp png_ptr, png_voidp ptr)
int	test_one_file (PNG_CONST char *inname, PNG_CONST char *outname)
int	main (int argc, char *argv[])

---

Documentación de los 'defines'

#define FCLOSE

(

file

)

fclose(file)

#define HANDLE_CHUNK_ALWAYS   3

#define HANDLE_CHUNK_IF_SAFE   2

#define PNG_DEBUG   0

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

#define SINGLE_ROWBUF_ALLOC

#define STDERR   stdout

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

---

Documentación de los 'typedefs'

typedef memory_information FAR* memory_infop

typedef struct memory_information memory_information

typedef version_1_2_5 your_png_h_is_not_version_1_2_5

---

Documentación de las funciones

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[]
	)

void png_debug_free	(	png_structp	png_ptr,
		png_voidp	ptr
	)

png_voidp png_debug_malloc	(	png_structp	png_ptr,
		png_uint_32	size
	)

void png_debug_free PNGARG

(

(png_structp png_ptr, png_voidp ptr)

)

int test_one_file PNGARG

(

(PNG_CONST char *inname, PNG_CONST char *outname)

)

png_voidp png_debug_malloc PNGARG

(

(png_structp png_ptr, png_uint_32 size)

)

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

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
	)