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rawloader.cpp
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rawloader.cpp
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#include "rawloader.h"
#include <cerrno>
IRAWLoader::IRAWLoader (std::string filename, size_t bytes_per_pixel, size_t num_voxels, size_t type_size)
{
m_data = NULL;
m_filename = filename;
m_bytesperpixel = bytes_per_pixel;
m_numvoxels = num_voxels;
m_typesize = type_size;
FILE *fp;
errno_t err;
if((err = fopen_s(&fp, filename.c_str(), "rb")) != 0)
{
std::cout << "lqc: opening .raw file failed" << std::endl;
exit(EXIT_FAILURE);
}
else
{
std::cout << "lqc: open .raw file successed" << std::endl;
}
m_data = (void*)malloc (m_numvoxels * type_size * sizeof(unsigned char));
size_t tmp = fread(m_data, m_bytesperpixel, m_numvoxels, fp);
if(tmp != m_numvoxels)
{
std::cout << "lqc: read .raw file failed. " << tmp << " bytes read != " << m_numvoxels << " bytes expected." << std::endl;
fclose(fp);
free(m_data);
m_data = NULL;
exit(EXIT_FAILURE);
}
else
{
std::cout << "lqc: read .raw file successed" << std::endl;
fclose(fp);
}
}
IRAWLoader::~IRAWLoader ()
{
//if(m_data)
//free(m_data);
}
void* IRAWLoader::GetData ()
{
return m_data;
}
bool IRAWLoader::IsLoaded ()
{
return (m_data != NULL);
}