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/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
* SOURCE: ntf.cc
*
* MODULE: conversion
*
* CLASSES: r_Conv_NTF
*
* COMMENTS:
*
* Provides functions to convert data to NTF and back.
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <string.h>
#include <new>
#include "raslib/rminit.hh"
#include "raslib/rmdebug.hh"
#include "raslib/parseparams.hh"
#include "conversion/ntf.hh"
#include "conversion/memfs.hh"
// nitf reader library
#include "nitf.h"
#include "image.h"
r_Conv_NTF::r_Conv_NTF( const char *src, const r_Minterval &interv, const r_Type *tp )
throw(r_Error):r_Convert_Memory(src, interv, tp)
{
}
r_Conv_NTF::r_Conv_NTF( const char *src, const r_Minterval &interv, int tp )
throw(r_Error):r_Convert_Memory(src, interv, tp)
{
}
r_Conv_NTF::~r_Conv_NTF( void ){
}
/***********************************************************
* NAME: r_Conv_NTF::convertFrom
* ---------------------------------------------------------
* PURPOSE: convert from NITF image file data to the
* corresponding rasdaman type pixel sequential data
***********************************************************/
r_convDesc& r_Conv_NTF::convertFrom( const char *options ) throw(r_Error){
char *nitf_file_data = NULL;
char *nitf_img = NULL;
long fileSize = 0;
RasNITF::nitf nitf_file;
nitf_file_data = (char*) desc.src;
//READ NITF HEADERS
nitf_file.read_headers_from(nitf_file_data, int(desc.srcInterv[0].high() - desc.srcInterv[0].low() + 1));
// MOVE POINTER TO THE IMAGE DATA
nitf_img = (char*)(desc.src + nitf_file.get_image_offset());
fileSize = nitf_file.get_image_size();
// CONVERT ALL DATA TO PIXEL SEQUENTIAL
nitf_file.image_to_pixel_sequential(0); // the address of the image is also known internaly so no need to pass the pointer
// ALLOCATE STORAGE FOR DESC.DEST WITH? THE SIZE OF THE IMAGE
if ((desc.dest = (char*)mystore.storage_alloc(fileSize)) == NULL)
{
RMInit::logOut << "r_Conv_NTF::convertTo(): out of memory!" << endl;
throw r_Error(MEMMORYALLOCATIONERROR);
}
// COPY THE PIXEL SEQUENTIAL DATA TO THE DESC.DEST
memcpy(desc.dest, nitf_img, fileSize);
// SET THE INTERVALS
desc.destInterv = r_Minterval(2);
desc.destInterv << r_Sinterval(( r_Range)0, (r_Range) ( nitf_file.get_image_width() - 1))
<< r_Sinterval(( r_Range)0, (r_Range) ( nitf_file.get_image_height() -1));
// SETR BASE TYPE
int image_index = 0;
if(nitf_file.isRGB(image_index)) {
desc.baseType = ctype_rgb;
} else if(nitf_file.isGRAY(image_index)) {
desc.baseType = ctype_char;
} else if(nitf_file.isBOOL(image_index)) {
desc.baseType = ctype_bool;
}
else {
RMInit::logOut << "r_Conv_NTF::convertFrom:" << "unsupported NITF file pixel type" << endl;
throw r_Error(r_Error::r_Error_General);
}
/* switch (nitf_file.get_image_pixel_type()){
case NITF_BI:
desc.baseType = ctype_bool;
break;
case NITF_GRAY:
desc.baseType = ctype_char;
break;
case NITF_RGB:
desc.baseType = ctype_rgb;
break;
default:
RMInit::logOut << "r_Conv_NTF::convertFrom:" << "unsupported NITF file pixel type" << endl;
}
*/
desc.destType = get_external_type(desc.baseType);
return desc;
}
/***********************************************************
* NAME: r_Conv_NTF::convertTo
* ---------------------------------------------------------
* PURPOSE: convert from rasdaman data to the
* corresponding nitf storage type
***********************************************************/
r_convDesc& r_Conv_NTF::convertTo( const char *options ) throw(r_Error){
int width=0, height=0;
int fileSize = 0;
// DETERMINE WIDTH AND HEIGHT
width = (int)(desc.srcInterv[0].high() - desc.srcInterv[0].low() + 1);
height = (int)(desc.srcInterv[1].high() - desc.srcInterv[1].low() + 1);
// CALCULATE THE SIZE OF THE IMAGE FILE
switch (desc.baseType)
{
case ctype_bool:
fileSize = width * height * 1;
break;
case ctype_char:
fileSize = width * height * 1;
break;
case ctype_rgb:
fileSize = width * height * 3;
default:
RMInit::logOut << "r_Conv_BMP::convertTo(): Unknown base type!" << endl;
throw r_Error(r_Error::r_Error_General);
}
// ALLOCATE STORAGE FOR THE IMAGE DATA
if ((desc.dest = (char*)mystore.storage_alloc(fileSize)) == NULL)
{
RMInit::logOut << "r_Conv_NTF::convertTo(): out of memory!" << endl;
throw r_Error(MEMMORYALLOCATIONERROR);
}
memcpy(desc.dest, desc.src, fileSize);
// SET THE SIZE OF THE DATA
desc.destInterv = r_Minterval(1);
desc.destInterv << r_Sinterval((r_Range)0, (r_Range)fileSize-1);
// SET THE TYPE OF TEH DATA
desc.destType = r_Type::get_any_type("char");
return desc;
}
r_Convertor* r_Conv_NTF::clone( void ) const{
return new r_Conv_NTF(desc.src, desc.srcInterv, desc.baseType);
}
const char * r_Conv_NTF::get_name( void ) const{
return format_name_ntf;
}
r_Data_Format r_Conv_NTF::get_data_format( void ) const{
return r_NTF;
}
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