Encoder.cpp File Reference

#include "Encoder.h"

Go to the source code of this file.

Macros
#define	CodeBufferBitLen   (CodeBufferLen*WordWidth)
	max number of bits in m_codeBuffer
#define	MaxCodeLen   ((1 << RLblockSizeLen) - 1)
	max length of RL encoded block

Functions
*Write pre and levelLength *It might throw an IOException *param stream A PGF stream *param preHeader A already filled in PGF pre header *param header An already filled in PGF header *param postHeader[in] An already filled in PGF post	header (containing color table, user data,...)*@param userDataPos[out] File position of user data *@param useOMP If true
	for (int i=0;i< hh.quot;i++)

Variables
*file Encoder cpp *brief PGF encoder class implementation *author C	Stamm
*Write pre	header
*Write pre	postHeader
*Create level length data structure and write a place holder into stream *It might throw an IOException *param levelLength A reference to an integer	array
*Partitions a rectangular region of a given subband *Partitioning	scheme
*Partitions a rectangular region of a given subband *Partitioning int	width
*Partitions a rectangular region of a given subband *Partitioning int int	height
*Partitions a rectangular region of a given subband *Partitioning int int int	startPos
*Partitions a rectangular region of a given subband *Partitioning int int int int pitch	THROW_
const div_t	hh = div(height, LinBlockSize)
const div_t	ww = div(width, LinBlockSize)
const int	ws = pitch - LinBlockSize
const int	wr = pitch - ww.rem
int	pos = base2
int	base = startPos
int	base2 = base

Macro Definition Documentation

#define CodeBufferBitLen   (CodeBufferLen*WordWidth)

max number of bits in m_codeBuffer

Definition at line 58 of file Encoder.cpp.

#define MaxCodeLen   ((1 << RLblockSizeLen) - 1)

max length of RL encoded block

Definition at line 59 of file Encoder.cpp.

Function Documentation

for

(

)

Definition at line 251 of file Encoder.cpp.

                                        {
                // main width
                base2 = base;
                for (int j=0; j < ww.quot; j++) {
                        pos = base2;
                        for (int y=0; y < LinBlockSize; y++) {
                                for (int x=0; x < LinBlockSize; x++) {
                                        WriteValue(band, pos);
                                        pos++;
                                }
                                pos += ws;
                        }
                        base2 += LinBlockSize;
                }
                // rest of width
                pos = base2;
                for (int y=0; y < LinBlockSize; y++) {
                        for (int x=0; x < ww.rem; x++) {
                                WriteValue(band, pos);
                                pos++;
                        }
                        pos += wr;
                        base += pitch;
                }
        }

* Write pre and levelLength* It might throw an IOException* param stream A PGF stream* param preHeader A already filled in PGF pre header* param header An already filled in PGF header* param postHeader [in] An already filled in PGF post header	(	containing color	table,
		user	data,
			...
	)

Variable Documentation

* Create level length data structure and write a place holder into stream* It might throw an IOException* param levelLength A reference to an integer array

Definition at line 170 of file Encoder.cpp.

int base = startPos

Definition at line 248 of file Encoder.cpp.

base2 = base

Definition at line 248 of file Encoder.cpp.

* Write pre header

Definition at line 62 of file Encoder.cpp.

* Partitions a rectangular region of a given subband* Partitioning int int height

Definition at line 241 of file Encoder.cpp.

const div_t hh = div(height, LinBlockSize)

Definition at line 244 of file Encoder.cpp.

pos = base2

Definition at line 248 of file Encoder.cpp.

*Write pre and levelLength *It might throw an IOException *param stream A PGF stream *param preHeader A already filled in PGF pre header *param header An already filled in PGF header *param postHeader

Definition at line 62 of file Encoder.cpp.

* Partitions a rectangular region of a given subband* Partitioning scheme

Definition at line 241 of file Encoder.cpp.

* file Encoder cpp* brief PGF encoder class implementation* author C Stamm

Definition at line 26 of file Encoder.cpp.

* Partitions a rectangular region of a given subband* Partitioning int int int startPos

Definition at line 241 of file Encoder.cpp.

* Partitions a rectangular region of a given subband* Partitioning int int int int pitch THROW_

Initial value:

{
        ASSERT(band)

Definition at line 241 of file Encoder.cpp.

* Partitions a rectangular region of a given subband* Partitioning int width

Definition at line 241 of file Encoder.cpp.

const int wr = pitch - ww.rem

Definition at line 247 of file Encoder.cpp.

const int ws = pitch - LinBlockSize

Definition at line 246 of file Encoder.cpp.

const div_t ww = div(width, LinBlockSize)

Definition at line 245 of file Encoder.cpp.