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144 lines
5 KiB
C++
144 lines
5 KiB
C++
/******************************************************************************
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* $Id: jp2userbox.cpp 27745 2014-09-27 16:38:57Z goatbar $
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*
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* Project: GDAL ECW Driver
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* Purpose: JP2UserBox implementation - arbitrary box read/write.
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* Author: Frank Warmerdam, warmerdam@pobox.com
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*
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******************************************************************************
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* Copyright (c) 2005, Frank Warmerdam <warmerdam@pobox.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#include "gdal_ecw.h"
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CPL_CVSID("$Id: jp2userbox.cpp 27745 2014-09-27 16:38:57Z goatbar $");
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#if defined(HAVE_COMPRESS)
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/************************************************************************/
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/* JP2UserBox() */
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/************************************************************************/
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JP2UserBox::JP2UserBox()
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{
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pabyData = NULL;
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nDataLength = 0;
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m_nTBox = 0;
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}
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/************************************************************************/
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/* ~JP2UserBox() */
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/************************************************************************/
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JP2UserBox::~JP2UserBox()
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{
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if( pabyData != NULL )
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{
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CPLFree( pabyData );
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pabyData = NULL;
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}
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}
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/************************************************************************/
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/* SetData() */
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/************************************************************************/
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void JP2UserBox::SetData( int nLengthIn, const unsigned char *pabyDataIn )
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{
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if( pabyData != NULL )
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CPLFree( pabyData );
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nDataLength = nLengthIn;
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pabyData = (unsigned char *) CPLMalloc(nDataLength);
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memcpy( pabyData, pabyDataIn, nDataLength );
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m_bValid = true;
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}
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/************************************************************************/
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/* UpdateXLBox() */
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/************************************************************************/
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void JP2UserBox::UpdateXLBox()
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{
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m_nXLBox = 8 + nDataLength;
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m_nLDBox = nDataLength;
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}
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/************************************************************************/
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/* Parse() */
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/* */
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/* Parse box, and data contents from file into memory. */
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/************************************************************************/
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#if ECWSDK_VERSION >= 40
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CNCSError JP2UserBox::Parse( CPL_UNUSED NCS::SDK::CFileBase &JP2File,
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CPL_UNUSED NCS::CIOStream &Stream )
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#else
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CNCSError JP2UserBox::Parse( CPL_UNUSED class CNCSJP2File &JP2File,
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CPL_UNUSED CNCSJPCIOStream &Stream )
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#endif
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{
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CNCSError Error = NCS_SUCCESS;
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return Error;
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}
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/************************************************************************/
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/* UnParse() */
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/* */
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/* Write box meta information, and data to file. */
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/************************************************************************/
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#if ECWSDK_VERSION >= 40
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CNCSError JP2UserBox::UnParse( NCS::SDK::CFileBase &JP2File,
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NCS::CIOStream &Stream )
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#else
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CNCSError JP2UserBox::UnParse( class CNCSJP2File &JP2File,
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CNCSJPCIOStream &Stream )
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#endif
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{
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CNCSError Error = NCS_SUCCESS;
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if( m_nTBox == 0 )
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{
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Error = NCS_UNKNOWN_ERROR;
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CPLError( CE_Failure, CPLE_AppDefined,
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"No box type set in JP2UserBox::UnParse()" );
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return Error;
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}
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#if ECWSDK_VERSION<50
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Error = CNCSJP2Box::UnParse(JP2File, Stream);
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#else
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Error = CNCSSDKBox::UnParse(JP2File, Stream);
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#endif
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// NCSJP2_CHECKIO_BEGIN(Error, Stream);
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Stream.Write(pabyData, nDataLength);
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// NCSJP2_CHECKIO_END();
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return Error;
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}
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#endif /* defined(HAVE_COMPRESS) */
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