fpng Namespace Reference

Enumerations
enum	{ FPNG_ENCODE_SLOWER = 1 , FPNG_FORCE_UNCOMPRESSED = 2 }
enum	{   FPNG_DECODE_SUCCESS = 0 , FPNG_DECODE_NOT_FPNG , FPNG_DECODE_INVALID_ARG , FPNG_DECODE_FAILED_NOT_PNG ,   FPNG_DECODE_FAILED_HEADER_CRC32 , FPNG_DECODE_FAILED_INVALID_DIMENSIONS , FPNG_DECODE_FAILED_DIMENSIONS_TOO_LARGE , FPNG_DECODE_FAILED_CHUNK_PARSING ,   FPNG_DECODE_FAILED_INVALID_IDAT , FPNG_DECODE_FILE_OPEN_FAILED , FPNG_DECODE_FILE_TOO_LARGE , FPNG_DECODE_FILE_READ_FAILED ,   FPNG_DECODE_FILE_SEEK_FAILED }

Functions
void	fpng_init ()
bool	fpng_cpu_supports_sse41 ()
uint32_t	fpng_crc32 (const void *pData, size_t size, uint32_t prev_crc32=FPNG_CRC32_INIT)
uint32_t	fpng_adler32 (const void *pData, size_t size, uint32_t adler=FPNG_ADLER32_INIT)
bool	fpng_encode_image_to_memory (const void *pImage, uint32_t w, uint32_t h, uint32_t num_chans, std::vector< uint8_t > &out_buf, uint32_t flags=0)
bool	fpng_encode_image_to_file (const char *pFilename, const void *pImage, uint32_t w, uint32_t h, uint32_t num_chans, uint32_t flags=0)
int	fpng_get_info (const void *pImage, uint32_t image_size, uint32_t &width, uint32_t &height, uint32_t &channels_in_file)
int	fpng_decode_memory (const void *pImage, uint32_t image_size, std::vector< uint8_t > &out, uint32_t &width, uint32_t &height, uint32_t &channels_in_file, uint32_t desired_channels)
int	fpng_decode_file (const char *pFilename, std::vector< uint8_t > &out, uint32_t &width, uint32_t &height, uint32_t &channels_in_file, uint32_t desired_channels)

Variables
const uint32_t	FPNG_CRC32_INIT = 0
const uint32_t	FPNG_ADLER32_INIT = 1

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
FPNG_DECODE_SUCCESS
FPNG_DECODE_NOT_FPNG
FPNG_DECODE_INVALID_ARG
FPNG_DECODE_FAILED_NOT_PNG
FPNG_DECODE_FAILED_HEADER_CRC32
FPNG_DECODE_FAILED_INVALID_DIMENSIONS
FPNG_DECODE_FAILED_DIMENSIONS_TOO_LARGE
FPNG_DECODE_FAILED_CHUNK_PARSING
FPNG_DECODE_FAILED_INVALID_IDAT
FPNG_DECODE_FILE_OPEN_FAILED
FPNG_DECODE_FILE_TOO_LARGE
FPNG_DECODE_FILE_READ_FAILED
FPNG_DECODE_FILE_SEEK_FAILED

anonymous enum

anonymous enum

Enumerator
FPNG_ENCODE_SLOWER
FPNG_FORCE_UNCOMPRESSED

Function Documentation

fpng_adler32()

uint32_t fpng::fpng_adler32	(	const void *	pData,
		size_t	size,
		uint32_t	adler = FPNG_ADLER32_INIT )

fpng_cpu_supports_sse41()

bool fpng::fpng_cpu_supports_sse41

(

)

fpng_crc32()

uint32_t fpng::fpng_crc32	(	const void *	pData,
		size_t	size,
		uint32_t	prev_crc32 = FPNG_CRC32_INIT )

fpng_decode_file()

int fpng::fpng_decode_file	(	const char *	pFilename,
		std::vector< uint8_t > &	out,
		uint32_t &	width,
		uint32_t &	height,
		uint32_t &	channels_in_file,
		uint32_t	desired_channels )

fpng_decode_memory()

int fpng::fpng_decode_memory	(	const void *	pImage,
		uint32_t	image_size,
		std::vector< uint8_t > &	out,
		uint32_t &	width,
		uint32_t &	height,
		uint32_t &	channels_in_file,
		uint32_t	desired_channels )

fpng_encode_image_to_file()

bool fpng::fpng_encode_image_to_file	(	const char *	pFilename,
		const void *	pImage,
		uint32_t	w,
		uint32_t	h,
		uint32_t	num_chans,
		uint32_t	flags = 0 )

fpng_encode_image_to_memory()

bool fpng::fpng_encode_image_to_memory	(	const void *	pImage,
		uint32_t	w,
		uint32_t	h,
		uint32_t	num_chans,
		std::vector< uint8_t > &	out_buf,
		uint32_t	flags = 0 )

fpng_get_info()

int fpng::fpng_get_info	(	const void *	pImage,
		uint32_t	image_size,
		uint32_t &	width,
		uint32_t &	height,
		uint32_t &	channels_in_file )

fpng_init()

void fpng::fpng_init

(

)

Variable Documentation

FPNG_ADLER32_INIT

const uint32_t fpng::FPNG_ADLER32_INIT = 1

FPNG_CRC32_INIT

const uint32_t fpng::FPNG_CRC32_INIT = 0