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OMFormatT_impl.hh
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//=============================================================================
//
// Helper Functions for binary reading / writing
//
//=============================================================================
#define OPENMESH_IO_OMFORMAT_CC
//== INCLUDES =================================================================
#include <OpenMesh/Core/IO/OMFormat.hh>
#include <algorithm>
#include <iomanip>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
// helper to store a an integer
template< typename T >
size_t
store( std::ostream& _os,
const T& _val,
OMFormat::Chunk::Integer_Size _b,
bool _swap,
t_signed)
{
assert( OMFormat::is_integer( _val ) );
switch( _b )
{
case OMFormat::Chunk::Integer_8:
{
OMFormat::int8 v = static_cast<OMFormat::int8>(_val);
return store( _os, v, _swap );
}
case OMFormat::Chunk::Integer_16:
{
OMFormat::int16 v = static_cast<OMFormat::int16>(_val);
return store( _os, v, _swap );
}
case OMFormat::Chunk::Integer_32:
{
OMFormat::int32 v = static_cast<OMFormat::int32>(_val);
return store( _os, v, _swap );
}
case OMFormat::Chunk::Integer_64:
{
OMFormat::int64 v = static_cast<OMFormat::int64>(_val);
return store( _os, v, _swap );
}
}
return 0;
}
// helper to store a an unsigned integer
template< typename T >
size_t
store( std::ostream& _os,
const T& _val,
OMFormat::Chunk::Integer_Size _b,
bool _swap,
t_unsigned)
{
assert( OMFormat::is_integer( _val ) );
switch( _b )
{
case OMFormat::Chunk::Integer_8:
{
OMFormat::uint8 v = static_cast<OMFormat::uint8>(_val);
return store( _os, v, _swap );
}
case OMFormat::Chunk::Integer_16:
{
OMFormat::uint16 v = static_cast<OMFormat::uint16>(_val);
return store( _os, v, _swap );
}
case OMFormat::Chunk::Integer_32:
{
OMFormat::uint32 v = static_cast<OMFormat::uint32>(_val);
return store( _os, v, _swap );
}
case OMFormat::Chunk::Integer_64:
{
OMFormat::uint64 v = static_cast<OMFormat::uint64>(_val);
return store( _os, v, _swap );
}
}
return 0;
}
// helper to restore a an integer
template< typename T >
size_t
restore( std::istream& _is,
T& _val,
OMFormat::Chunk::Integer_Size _b,
bool _swap,
t_signed)
{
assert( OMFormat::is_integer( _val ) );
size_t bytes = 0;
switch( _b )
{
case OMFormat::Chunk::Integer_8:
{
OMFormat::int8 v;
bytes = restore( _is, v, _swap );
_val = static_cast<T>(v);
break;
}
case OMFormat::Chunk::Integer_16:
{
OMFormat::int16 v;
bytes = restore( _is, v, _swap );
_val = static_cast<T>(v);
break;
}
case OMFormat::Chunk::Integer_32:
{
OMFormat::int32 v;
bytes = restore( _is, v, _swap );
_val = static_cast<T>(v);
break;
}
case OMFormat::Chunk::Integer_64:
{
OMFormat::int64 v;
bytes = restore( _is, v, _swap );
_val = static_cast<T>(v);
break;
}
}
return bytes;
}
// helper to restore a an unsigned integer
template< typename T >
size_t
restore( std::istream& _is,
T& _val,
OMFormat::Chunk::Integer_Size _b,
bool _swap,
t_unsigned)
{
assert( OMFormat::is_integer( _val ) );
size_t bytes = 0;
switch( _b )
{
case OMFormat::Chunk::Integer_8:
{
OMFormat::uint8 v;
bytes = restore( _is, v, _swap );
_val = static_cast<T>(v);
break;
}
case OMFormat::Chunk::Integer_16:
{
OMFormat::uint16 v;
bytes = restore( _is, v, _swap );
_val = static_cast<T>(v);
break;
}
case OMFormat::Chunk::Integer_32:
{
OMFormat::uint32 v;
bytes = restore( _is, v, _swap );
_val = static_cast<T>(v);
break;
}
case OMFormat::Chunk::Integer_64:
{
OMFormat::uint64 v;
bytes = restore( _is, v, _swap );
_val = static_cast<T>(v);
break;
}
}
return bytes;
}
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:59