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ScaledIntegerNodeImpl.cpp
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ScaledIntegerNodeImpl.cpp
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/*
* Original work Copyright 2009 - 2010 Kevin Ackley (kackley@gwi.net)
* Modified work Copyright 2018 - 2020 Andy Maloney <asmaloney@gmail.com>
*
* Permission is hereby granted, free of charge, to any person or organization
* obtaining a copy of the software and accompanying documentation covered by
* this license (the "Software") to use, reproduce, display, distribute,
* execute, and transmit the Software, and to prepare derivative works of the
* Software, and to permit third-parties to whom the Software is furnished to
* do so, all subject to the following:
*
* The copyright notices in the Software and this entire statement, including
* the above license grant, this restriction and the following disclaimer,
* must be included in all copies of the Software, in whole or in part, and
* all derivative works of the Software, unless such copies or derivative
* works are solely in the form of machine-executable object code generated by
* a source language processor.
*
* 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
* SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
* FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <cmath>
#include "CheckedFile.h"
#include "ScaledIntegerNodeImpl.h"
#include "StringFunctions.h"
namespace e57
{
ScaledIntegerNodeImpl::ScaledIntegerNodeImpl( ImageFileImplWeakPtr destImageFile,
int64_t rawValue, int64_t minimum, int64_t maximum,
double scale, double offset ) :
NodeImpl( destImageFile ), value_( rawValue ), minimum_( minimum ), maximum_( maximum ),
scale_( scale ), offset_( offset )
{
}
ScaledIntegerNodeImpl::ScaledIntegerNodeImpl( ImageFileImplWeakPtr destImageFile,
double scaledValue, double scaledMinimum,
double scaledMaximum, double scale,
double offset ) :
NodeImpl( destImageFile ),
value_( static_cast<int64_t>( std::floor( ( scaledValue - offset ) / scale + .5 ) ) ),
minimum_( static_cast<int64_t>( std::floor( ( scaledMinimum - offset ) / scale + .5 ) ) ),
maximum_( static_cast<int64_t>( std::floor( ( scaledMaximum - offset ) / scale + .5 ) ) ),
scale_( scale ), offset_( offset )
{
}
// Throw an exception if the value is not within bounds.
void ScaledIntegerNodeImpl::validateValue() const
{
if ( value_ < minimum_ || value_ > maximum_ )
{
throw E57_EXCEPTION2( ErrorValueOutOfBounds, "this->pathName=" + this->pathName() +
" value=" + toString( value_ ) +
" minimum=" + toString( minimum_ ) +
" maximum=" + toString( maximum_ ) );
}
}
bool ScaledIntegerNodeImpl::isTypeEquivalent( NodeImplSharedPtr ni )
{
// don't checkImageFileOpen
// Same node type?
if ( ni->type() != TypeScaledInteger )
{
return ( false );
}
// Downcast to shared_ptr<ScaledIntegerNodeImpl>
std::shared_ptr<ScaledIntegerNodeImpl> ii(
std::static_pointer_cast<ScaledIntegerNodeImpl>( ni ) );
// minimum must match
if ( minimum_ != ii->minimum_ )
{
return ( false );
}
// maximum must match
if ( maximum_ != ii->maximum_ )
{
return ( false );
}
// scale must match
if ( scale_ != ii->scale_ )
{
return ( false );
}
// offset must match
if ( offset_ != ii->offset_ )
{
return ( false );
}
// ignore value_, doesn't have to match
// Types match
return ( true );
}
bool ScaledIntegerNodeImpl::isDefined( const ustring &pathName )
{
// don't checkImageFileOpen
// We have no sub-structure, so if path not empty return false
return pathName.empty();
}
int64_t ScaledIntegerNodeImpl::rawValue()
{
checkImageFileOpen( __FILE__, __LINE__, static_cast<const char *>( __FUNCTION__ ) );
return ( value_ );
}
double ScaledIntegerNodeImpl::scaledValue()
{
checkImageFileOpen( __FILE__, __LINE__, static_cast<const char *>( __FUNCTION__ ) );
return ( value_ * scale_ + offset_ );
}
int64_t ScaledIntegerNodeImpl::minimum()
{
checkImageFileOpen( __FILE__, __LINE__, static_cast<const char *>( __FUNCTION__ ) );
return ( minimum_ );
}
double ScaledIntegerNodeImpl::scaledMinimum()
{
checkImageFileOpen( __FILE__, __LINE__, static_cast<const char *>( __FUNCTION__ ) );
return ( minimum_ * scale_ + offset_ );
}
int64_t ScaledIntegerNodeImpl::maximum()
{
checkImageFileOpen( __FILE__, __LINE__, static_cast<const char *>( __FUNCTION__ ) );
return ( maximum_ );
}
double ScaledIntegerNodeImpl::scaledMaximum()
{
checkImageFileOpen( __FILE__, __LINE__, static_cast<const char *>( __FUNCTION__ ) );
return ( maximum_ * scale_ + offset_ );
}
double ScaledIntegerNodeImpl::scale()
{
checkImageFileOpen( __FILE__, __LINE__, static_cast<const char *>( __FUNCTION__ ) );
return ( scale_ );
}
double ScaledIntegerNodeImpl::offset()
{
checkImageFileOpen( __FILE__, __LINE__, static_cast<const char *>( __FUNCTION__ ) );
return ( offset_ );
}
void ScaledIntegerNodeImpl::checkLeavesInSet( const StringSet &pathNames,
NodeImplSharedPtr origin )
{
// don't checkImageFileOpen
// We are a leaf node, so verify that we are listed in set.
if ( pathNames.find( relativePathName( origin ) ) == pathNames.end() )
{
throw E57_EXCEPTION2( ErrorNoBufferForElement, "this->pathName=" + this->pathName() );
}
}
void ScaledIntegerNodeImpl::writeXml( ImageFileImplSharedPtr /*imf*/, CheckedFile &cf,
int indent, const char *forcedFieldName )
{
// don't checkImageFileOpen
ustring fieldName;
if ( forcedFieldName != nullptr )
{
fieldName = forcedFieldName;
}
else
{
fieldName = elementName_;
}
cf << space( indent ) << "<" << fieldName << " type=\"ScaledInteger\"";
// Don't need to write if are default values
if ( minimum_ != INT64_MIN )
{
cf << " minimum=\"" << minimum_ << "\"";
}
if ( maximum_ != INT64_MAX )
{
cf << " maximum=\"" << maximum_ << "\"";
}
if ( scale_ != 1.0 )
{
cf << " scale=\"" << scale_ << "\"";
}
if ( offset_ != 0.0 )
{
cf << " offset=\"" << offset_ << "\"";
}
// Write value as child text, unless it is the default value
if ( value_ != 0 )
{
cf << ">" << value_ << "</" << fieldName << ">\n";
}
else
{
cf << "/>\n";
}
}
#ifdef E57_ENABLE_DIAGNOSTIC_OUTPUT
void ScaledIntegerNodeImpl::dump( int indent, std::ostream &os ) const
{
// don't checkImageFileOpen
os << space( indent ) << "type: ScaledInteger" << " (" << type() << ")" << std::endl;
NodeImpl::dump( indent, os );
os << space( indent ) << "rawValue: " << value_ << std::endl;
os << space( indent ) << "minimum: " << minimum_ << std::endl;
os << space( indent ) << "maximum: " << maximum_ << std::endl;
os << space( indent ) << "scale: " << scale_ << std::endl;
os << space( indent ) << "offset: " << offset_ << std::endl;
}
#endif
}