# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Cython wrapper for ``surface_intersection.f90``."""
from bezier._status cimport Status
cdef extern from "bezier/surface_intersection.h":
cpdef enum SurfaceContained:
NEITHER = 0
FIRST = 1
SECOND = 2
ctypedef struct CurvedPolygonSegment:
double start
double end
int edge_index
void newton_refine_surface(int* num_nodes, double* nodes, int* degree,
double* x_val, double* y_val, double* s, double* t, double* updated_s,
double* updated_t)
void locate_point_surface(int* num_nodes, double* nodes, int* degree,
double* x_val, double* y_val, double* s_val, double* t_val)
void surface_intersections(int* num_nodes1, double* nodes1, int* degree1,
int* num_nodes2, double* nodes2, int* degree2, int* segment_ends_size,
int* segment_ends, int* segments_size, CurvedPolygonSegment* segments,
int* num_intersected, SurfaceContained* contained, Status* status)
void free_surface_intersections_workspace()