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/******************************************************************************
*
* Purpose: Implementation of the CPCIDSK_PCT class.
*
******************************************************************************
* Copyright (c) 2009
* PCI Geomatics, 50 West Wilmot Street, Richmond Hill, Ont, Canada
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "pcidsk_exception.h"
#include "segment/cpcidskpct.h"
#include <cassert>
#include <cstring>
using namespace PCIDSK;
/************************************************************************/
/* CPCIDSK_PCT() */
/************************************************************************/
CPCIDSK_PCT::CPCIDSK_PCT( PCIDSKFile *file, int segment,
const char *segment_pointer )
: CPCIDSKSegment( file, segment, segment_pointer )
{
}
/************************************************************************/
/* ~CPCIDSKGeoref() */
/************************************************************************/
CPCIDSK_PCT::~CPCIDSK_PCT()
{
}
/************************************************************************/
/* ReadPCT() */
/************************************************************************/
void CPCIDSK_PCT::ReadPCT( unsigned char pct[768] )
{
PCIDSKBuffer seg_data;
seg_data.SetSize( 768*4 );
ReadFromFile( seg_data.buffer, 0, 768*4 );
int i;
for( i = 0; i < 256; i++ )
{
pct[ 0+i] = (unsigned char) seg_data.GetInt( 0+i*4, 4 );
pct[256+i] = (unsigned char) seg_data.GetInt(1024+i*4, 4 );
pct[512+i] = (unsigned char) seg_data.GetInt(2048+i*4, 4 );
}
}
/************************************************************************/
/* WritePCT() */
/************************************************************************/
void CPCIDSK_PCT::WritePCT( unsigned char pct[768] )
{
PCIDSKBuffer seg_data;
seg_data.SetSize( 768*4 );
ReadFromFile( seg_data.buffer, 0, 768*4 );
int i;
for( i = 0; i < 256; i++ )
{
seg_data.Put( (int) pct[ 0+i], 0+i*4, 4 );
seg_data.Put( (int) pct[256+i],1024+i*4, 4 );
seg_data.Put( (int) pct[512+i],2048+i*4, 4 );
}
WriteToFile( seg_data.buffer, 0, 768*4 );
}
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