Application: gvSIG desktop

/********************************************************

** Copyright 2002 Earth Resource Mapping Ltd.

** This document contains proprietary source code of

** Earth Resource Mapping Ltd, and can only be used under

** one of the three licenses as described in the

** license.txt file supplied with this distribution.

** See separate license.txt file for license details

** and conditions.

**

** This software is covered by US patent #6,442,298,

** #6,102,897 and #6,633,688.  Rights to use these patents

** is included in the license agreements.

**

** FILE:     $Archive: /NCS/Source/include/NCSJPCCodingStyleParameter.h $

** CREATED:  05/12/2002 3:27:34 PM

** AUTHOR:   Simon Cope

** PURPOSE:  CNCSJPCCodingStyleParameter class header

** EDITS:    [xx] ddMmmyy NAME COMMENTS

 *******************************************************/

#ifndef NCSJPCCODINGSTYLEPARAMETERS_H

#define NCSJPCCODINGSTYLEPARAMETERS_H

#include "NCSJPCIOStream.h"

        /**

         * CNCSJPCCODMarker class - the JPC COD marker.

         *

         * @author       Simon Cope

         * @version      $Revision$ $Author$ $Date$

         */

class NCSJPC_EXPORT_ALL CNCSJPCCodingStyleParameter {

public:

                /** SP Transformation Type */

        typedef enum {

                        /** 9x7 irreversible filter */

                IRREVERSIBLE_9x7        = 0,

                        /** 5x3 reversible filter */

                REVERSIBLE_5x3                = 1

        } TransformationType;

                /** SP Precinct Size */

        typedef struct {

                        /** Precinct width exponent */

                UINT8                m_nPPx: 4;

                        /** Precinct height exponent */

                UINT8                m_nPPy: 4;

        } PrecinctSize;

                /** Number of decomposition levels */

        UINT8                                                m_nLevels;

                /** Code block width exponent offset value */

        UINT8                                                m_nXcb;

                /** Code block height exponent offset value */

        UINT8                                                m_nYcb;

                /** CodeBlock coding pass style */

        UINT8                                                m_Scb;

                /** Wavelet transformation used */

        TransformationType                        m_eTransformation;

                /** Precinct sizes */

        std::vector<PrecinctSize>        m_PrecinctSizes;

                /** Default constructor, initialises members */

        CNCSJPCCodingStyleParameter();

                /** Virtual destructor */

        virtual ~CNCSJPCCodingStyleParameter();

                /**

                 * Parse the fields from the JPC codestream.

                 * @param                JPC                        CNCSJPC to use to parse file.

                 * @param                Stream                IOStream to use to parse file.

                 * @param                bDefinedPrecincts        Precincts are explicitly defined in the CodingStyleParameter

                 * @return      CNCSError        NCS_SUCCESS, or Error code on failure.

                 */

        virtual CNCSError Parse(class CNCSJPC &JPC, CNCSJPCIOStream &Stream, bool bDefinedPrecincts);

                /**

                 * UnParse the fields to the JPC codestream.

                 * @param                Stream                IOStream to use to parse file.

                 * @param                JPC                        CNCSJPC to use to parse file.

                 * @param                bDefinedPrecincts        Precincts are explicitly defined in the CodingStyleParameter

                 * @return      CNCSError        NCS_SUCCESS, or Error code on failure.

                 */

        virtual CNCSError UnParse(class CNCSJPC &JPC, CNCSJPCIOStream &Stream, bool bDefinedPrecincts);

};

#endif // !NCSJPCCODINGSTYLEPARAMETERS_H