Application: gvSIG desktop

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

** Copyright 2003 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/NCSJPCComponent.h $

** CREATED:  12/02/2003 3:27:34 PM

** AUTHOR:   Simon Cope

** PURPOSE:  CNCSJPCComponent class header

** EDITS:    [xx] ddMmmyy NAME COMMENTS

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

#ifndef NCSJPCCOMPONENT_H

#define NCSJPCCOMPONENT_H

#ifndef NCSJPCCODMARKER_H

#include "NCSJPCCODMarker.h"

#endif // NCSJPCCODMARKER_H

#ifndef NCSJPCQCDMARKER_H

#include "NCSJPCQCDMarker.h"

#endif // NCSJPCQCDMARKER_H

#ifndef NCSJPCRESOLUTION_H

#include "NCSJPCResolution.h"

#endif // NCSJPCRESOLUTION_H

#ifndef NCSJPCNODE_H

#include "NCSJPCNode.h"

#endif // NCSJPCNODE_H

        /**

         * CNCSJPCComponent class - the JPC Tile Component.

         *

         * @author       Simon Cope

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

         */

class NCSJPC_EXPORT_ALL CNCSJPCComponent: public CNCSJPCNode {

public:

        const static UINT32 CREATE;

        const static UINT32 ADDREF;

        const static UINT32 UNREF;

        const static UINT32 STATS;

        const static UINT32 REQUEST;

        const static UINT32 CANCEL;

                /** Tile-Part for this component */

        class CNCSJPCTilePartHeader *m_pTilePart;

                /** Component index */

        UINT16        m_iComponent;

                /** Component is paletted */

        bool        m_bPaletted;

                /** CodingStyle */

        CNCSJPCCODMarker        m_CodingStyle;

                /** QuantizationStyle */

        CNCSJPCQCDMarker        m_QuantizationStyle;

                /** Decomposition Resolution levels */

        std::vector<CNCSJPCResolution*> m_Resolutions;

                /**

                 * Constructor

                 * @param pTilePart                Parent tile part

                 * @param iComponent        Component index

                 */

        CNCSJPCComponent(CNCSJPCTilePartHeader *pTilePart, UINT16 iComponent);

                /** Virtual destructor */

        virtual ~CNCSJPCComponent();

                /**

                 * Get X0 of this node.

                 * @return      INT32                Coordinate value.

                 */

        virtual INT32 GetX0();

                /**

                 * Get Y0 of this node.

                 * @return      INT32                Coordinate value.

                 */

        virtual INT32 GetY0();

                /**

                 * Get X1 of this node.

                 * @return      INT32                Coordinate value.

                 */

        virtual INT32 GetX1();

                /**

                 * Get Y1 of this node.

                 * @return      INT32                Coordinate value.

                 */

        virtual INT32 GetY1();

                /**

                 * Get the context for the given ContextID

                 * @param                nCtx                ContextID to retrive context

                 * @param                bAutoConstruct Autoconstruct a new context for this ContextID if one doesn't exist

                 * @return                Context*        Context for given ID.

                 */

        virtual CNCSJPCNode::Context *GetContext(ContextID nCtx, bool bAutoConstruct = true);

                /**

                 * Link this node to the view.

                 * @param                nCtx                Read context

                 * @param                nResolution Input resolution level.

                 * @return      bool                true on success, else false on error.

                 */

        virtual bool Link(CNCSJPCNode::ContextID nCtx, UINT32 nResolution, INT32 nXCMul, INT32 nYCMul);

                /**

                 * Read a BufferType line from the input.

                 * @param                nCtx                Read context

                 * @param                pDst                Destination buffer.

                 * @param                iComponent        Output Component

                 * @return      bool                true on succes, else false.

                 */

        virtual bool ReadLine(ContextID nCtx, CNCSJPCBuffer *pDst, UINT16 iComponent);

                /**

                 * Write a BufferType line to the output.

                 * @param                nCtx                Context

                 * @param                pSrc                Source buffer.

                 * @param                iComponent        Output Component

                 * @return      bool                true on succes, else false.

                 */

        virtual bool WriteLine(ContextID nCtx, CNCSJPCBuffer *pSrc, UINT16 iComponent);

        void TraversePyramid(UINT32 nResolution, UINT32 Flags, INT32 nTopX, INT32 nLeftY, INT32 nBottomX, INT32 nRightY, UINT32 nViewSizeX, UINT32 nViewSizeY, UINT32 &nBlocksTotal, UINT32 &nBlocksAvailable);

protected:

        static CNCSJPCNodeTracker        sm_Tracker;

        class NCSJPC_EXPORT_ALL Context: public CNCSJPCNode::Context {

        public:

                INT32 m_nXCMul;

                INT32 m_nYCMul;

                Context();

                virtual ~Context();

        };

};

#endif // !NCSJPCCOMPONENT_H