from sage.plot.plot3d.base cimport PrimitiveObject
from transform cimport point_c, face_c
cdef class IndexFaceSet(PrimitiveObject):
cdef bint enclosed
cdef Py_ssize_t vcount, fcount, icount
cdef realloc(self, vcount, fcount, icount)
# array of {x,y,z}
cdef point_c* vs
# array of array of fcount indices into points, each ending with -1
cdef int* face_indices
# pointers into face_indices marking the begining of each face
cdef face_c* _faces
cdef class FaceIter:
cdef Py_ssize_t i
cdef IndexFaceSet set
cdef class EdgeIter:
cdef Py_ssize_t i, j
cdef object seen
cdef IndexFaceSet set
cdef class VertexIter:
cdef Py_ssize_t i
cdef IndexFaceSet set