IZ Namespace Reference

Classes
class	BitCoderBase
class	BitDecoder
class	BitEncoder
class	Image
class	ImageDecoder
class	ImageEncoder
class	InputFile
class	OutputFile
class	Pixel
class	PortableImage
class	Predictor0
class	Predictor1x
class	Predictor1y
class	Predictor2avg
class	Predictor3alpha
class	Predictor3avgplane
class	Predictor3med
class	Predictor3plane

Typedefs
typedef unsigned int	U32
typedef unsigned long long	U64

Functions
static unsigned int	absValue (int v)
static unsigned int	bitMask (unsigned int bitCount)
static unsigned int	bsr (unsigned int w)
static int	cancelValue (int v, int v0)
static int	clamp0 (int v)
static int	clampByte (int v)
static int	clampMax (int v, int max)
static int	clampMin (int v, int min)
static int	comp_int (const void *p1, const void *p2)
const unsigned char *	decodeImage (Image<> &im, const unsigned char *src)
void	decodeImageSize (Image<> &im, const unsigned char *src)
unsigned char *	encodeImage (const Image<> &im, unsigned char *dest)
static void	initBitsTable ()
void	initDecodeTable ()
void	initEncodeTable ()
static unsigned int	numBits (unsigned int v)
static int	oppositeSign (int v1, int v2)
static const unsigned char *	readValue (const unsigned char *p, int &value)
static unsigned int	s2u (int s)
static int	selectVal (int s, int v0, int v1)
static unsigned int	signBit (int v)
static int	u2s (unsigned int u)
static unsigned char *	writeValue (unsigned char *p, unsigned char whiteSpace, int value)

Variables
const int	CONTEXT_BITS = 4
const int	CONTEXT_COUNT = 9
const int	CONTEXT_SIZE_REGULAR = 1
const int	CONTEXT_SIZE_RLE = 3
char	decodeTable [1<< CONTEXT_BITS][MAX_CODE_VALUE]
const int	MAX_CODE_LENGTH = 6
const int	MAX_CODE_VALUE = (1 << MAX_CODE_LENGTH)
unsigned int	staticdBits [1<< (2 *CONTEXT_BITS)]
const unsigned int	staticdCount [1<< (2 *CONTEXT_BITS)]

Typedef Documentation

typedef unsigned int IZ::U32

Definition at line 24 of file bitcoder.h.

typedef unsigned long long IZ::U64

Definition at line 23 of file bitcoder.h.

Function Documentation

static unsigned int IZ::absValue ( int  v )

inlinestatic

Definition at line 74 of file intmacros.h.

static unsigned int IZ::bitMask ( unsigned int  bitCount )

inlinestatic

Definition at line 11 of file intmacros.h.

static unsigned int IZ::bsr ( unsigned int  w )

inlinestatic

Definition at line 81 of file intmacros.h.

static int IZ::cancelValue ( int  v, int  v0  )

inlinestatic

Definition at line 67 of file intmacros.h.

static int IZ::clamp0 ( int  v )

inlinestatic

Definition at line 53 of file intmacros.h.

static int IZ::clampByte ( int  v )

inlinestatic

Definition at line 60 of file intmacros.h.

static int IZ::clampMax ( int  v, int  max  )

inlinestatic

Definition at line 39 of file intmacros.h.

static int IZ::clampMin ( int  v, int  min  )

inlinestatic

Definition at line 46 of file intmacros.h.

static int IZ::comp_int ( const void *  p1, const void *  p2  )

static

Definition at line 42 of file table.cpp.

const unsigned char * IZ::decodeImage	(	Image<> &	im,
		const unsigned char *	src
	)

Definition at line 16 of file libiz.cpp.

void IZ::decodeImageSize	(	Image<> &	im,
		const unsigned char *	src
	)

Definition at line 25 of file libiz.cpp.

unsigned char * IZ::encodeImage	(	const Image<> &	im,
		unsigned char *	dest
	)

Definition at line 7 of file libiz.cpp.

static void IZ::initBitsTable ( )

static

Definition at line 47 of file table.cpp.

void IZ::initDecodeTable

(

)

Definition at line 80 of file table.cpp.

void IZ::initEncodeTable

(

)

Definition at line 73 of file table.cpp.

static unsigned int IZ::numBits ( unsigned int  v )

inlinestatic

Definition at line 89 of file intmacros.h.

static int IZ::oppositeSign ( int  v1, int  v2  )

inlinestatic

Definition at line 25 of file intmacros.h.

static const unsigned char* IZ::readValue ( const unsigned char *  p, int &  value  )

static

Definition at line 24 of file portableimage.cpp.

static unsigned int IZ::s2u ( int  s )

inlinestatic

Definition at line 97 of file intmacros.h.

static int IZ::selectVal ( int  s, int  v0, int  v1  )

inlinestatic

Definition at line 32 of file intmacros.h.

static unsigned int IZ::signBit ( int  v )

inlinestatic

Definition at line 18 of file intmacros.h.

static int IZ::u2s ( unsigned int  u )

inlinestatic

Definition at line 104 of file intmacros.h.

static unsigned char* IZ::writeValue ( unsigned char *  p, unsigned char  whiteSpace, int  value  )

static

Definition at line 5 of file portableimage.cpp.

Variable Documentation

const int IZ::CONTEXT_BITS = 4

Definition at line 12 of file iz_p.h.

const int IZ::CONTEXT_COUNT = 9

Definition at line 11 of file iz_p.h.

const int IZ::CONTEXT_SIZE_REGULAR = 1

Definition at line 13 of file iz_p.h.

const int IZ::CONTEXT_SIZE_RLE = 3

Definition at line 14 of file iz_p.h.

char IZ::decodeTable

Definition at line 39 of file table.cpp.

const int IZ::MAX_CODE_LENGTH = 6

Definition at line 16 of file iz_p.h.

const int IZ::MAX_CODE_VALUE = (1 << MAX_CODE_LENGTH)

Definition at line 17 of file iz_p.h.

unsigned int IZ::staticdBits

Definition at line 37 of file table.cpp.

const unsigned int IZ::staticdCount

Initial value:

=
{












    
    
    1, 4, 4, 4, 4, 4, 4, 4, 4,   0, 0, 0, 0, 0, 0, 0,
    3, 3, 3, 3, 3, 3, 3, 4, 4,   0, 0, 0, 0, 0, 0, 0,
    3, 3, 3, 3, 3, 3, 3, 4, 4,   0, 0, 0, 0, 0, 0, 0,
    4, 3, 3, 3, 3, 3, 3, 3, 4,   0, 0, 0, 0, 0, 0, 0,
    4, 3, 3, 3, 3, 3, 3, 3, 4,   0, 0, 0, 0, 0, 0, 0,
    4, 3, 3, 3, 3, 3, 3, 3, 4,   0, 0, 0, 0, 0, 0, 0,
    4, 4, 3, 3, 3, 3, 3, 3, 3,   0, 0, 0, 0, 0, 0, 0,
    4, 4, 3, 3, 3, 3, 3, 3, 3,   0, 0, 0, 0, 0, 0, 0,
    4, 4, 3, 3, 3, 3, 3, 3, 3,   0, 0, 0, 0, 0, 0, 0,

}

Definition at line 9 of file table.cpp.