def brlcad_copy(obj, debug_msg):
"""
Returns a copy of the obj using a buffer allocated via bu_malloc.
This is needed when BRLCAD frees the memory pointed to by the passed in pointer - yes that happens !
"""
count = ctypes.sizeof(obj)
obj_copy = libbn.bu_malloc(count, debug_msg)
ctypes.memmove(obj_copy, ctypes.addressof(obj), count)
return type(obj).from_address(obj_copy)
def brlcad_copy(obj, debug_msg):
"""
Returns a copy of the obj using a buffer allocated via bu_malloc.
This is needed when BRLCAD frees the memory pointed to by the passed in pointer - yes that happens !
"""
count = ctypes.sizeof(obj)
obj_copy = libbn.bu_malloc(count, debug_msg)
ctypes.memmove(obj_copy, ctypes.addressof(obj), count)
return type(obj).from_address(obj_copy)
def brlcad_new(obj_type, debug_msg=None):
"""
Returns a new obj of class <obj_type> using a buffer allocated via bu_malloc.
Needed for creating objects which will be freed by BRL-CAD code.
"""
if not debug_msg:
debug_msg = obj_type.__class__.__name__
count = ctypes.sizeof(obj_type)
obj_buf = libbn.bu_malloc(count, debug_msg)
return obj_type.from_address(obj_buf)
def brlcad_new(obj_type, debug_msg=None):
"""
Returns a new obj of class <obj_type> using a buffer allocated via bu_malloc.
Needed for creating objects which will be freed by BRL-CAD code.
"""
if not debug_msg:
debug_msg = obj_type.__class__.__name__
count = ctypes.sizeof(obj_type)
obj_buf = libbn.bu_malloc(count, debug_msg)
return obj_type.from_address(obj_buf)