mitkNDIPassiveTool.cpp

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#include "mitkNDIPassiveTool.h"
#include <iostream>
#include <fstream>
 
 
mitk::NDIPassiveTool::NDIPassiveTool()
: TrackingTool(),
m_SROMData(nullptr),
m_SROMDataLength(0),
m_TrackingPriority(Dynamic),
m_PortHandle()
{
}
 
 
mitk::NDIPassiveTool::~NDIPassiveTool()
{
  if (m_SROMData != nullptr)
  {
    delete[] m_SROMData;
    m_SROMData = nullptr;
  }
}
 
 
bool mitk::NDIPassiveTool::LoadSROMFile(const char* filename)
{
  if (filename == nullptr)
    return false;
  if (filename[0] == '\0')
    return false;
 
  m_File = filename;
  std::basic_ifstream<char> file;
  file.open(filename, std::ios::in | std::ios::binary); // open the file
  if (file.is_open() == false)
    return false;
 
  file.seekg (0, std::ios::end);                // get the length of the file
  unsigned int newLength = file.tellg();
  file.seekg (0, std::ios::beg);
  auto  newData = new char [newLength];         // create a buffer to store the srom file
  file.read(newData, newLength);                // read the file into the buffer
  file.close();
  if (file.fail() == true)                      // reading of data unsuccessful?
  {
    delete[] newData;
    return false;
  }
  if (m_SROMData != nullptr)                       // reading was successful, delete old data
    delete[] m_SROMData;
  m_SROMDataLength = newLength;                 // set member variables to new values
  m_SROMData = (unsigned char*) newData;
  this->Modified();
  return true;
}
 
 
const unsigned char* mitk::NDIPassiveTool::GetSROMData() const
{
  return m_SROMData;
}
 
 
unsigned int mitk::NDIPassiveTool::GetSROMDataLength() const
{
  return m_SROMDataLength;
}