61 lines
3.5 KiB
Cython
61 lines
3.5 KiB
Cython
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# The beginnings of a Cython definition of GEOS. In the future much of this
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# could be auto-generated.
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from libc.stdint cimport uintptr_t
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cdef extern from "geos_c.h":
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ctypedef void *GEOSContextHandle_t
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ctypedef struct GEOSGeometry
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ctypedef struct GEOSCoordSequence
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ctypedef struct GEOSPreparedGeometry
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GEOSCoordSequence *GEOSCoordSeq_create_r(GEOSContextHandle_t, unsigned int, unsigned int) nogil
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GEOSCoordSequence *GEOSGeom_getCoordSeq_r(GEOSContextHandle_t, GEOSGeometry *) nogil
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int GEOSCoordSeq_getSize_r(GEOSContextHandle_t, GEOSCoordSequence *, unsigned int *) nogil
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int GEOSCoordSeq_setX_r(GEOSContextHandle_t, GEOSCoordSequence *, int, double) nogil
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int GEOSCoordSeq_setY_r(GEOSContextHandle_t, GEOSCoordSequence *, int, double) nogil
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int GEOSCoordSeq_setZ_r(GEOSContextHandle_t, GEOSCoordSequence *, int, double) nogil
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int GEOSCoordSeq_getX_r(GEOSContextHandle_t, GEOSCoordSequence *, int, double *) nogil
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int GEOSCoordSeq_getY_r(GEOSContextHandle_t, GEOSCoordSequence *, int, double *) nogil
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int GEOSCoordSeq_getZ_r(GEOSContextHandle_t, GEOSCoordSequence *, int, double *) nogil
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GEOSGeometry *GEOSGeom_createPoint_r(GEOSContextHandle_t, GEOSCoordSequence *) nogil
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GEOSGeometry *GEOSGeom_createLineString_r(GEOSContextHandle_t, GEOSCoordSequence *) nogil
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GEOSGeometry *GEOSGeom_createLinearRing_r(GEOSContextHandle_t, GEOSCoordSequence *) nogil
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GEOSGeometry *GEOSGeom_clone_r(GEOSContextHandle_t, GEOSGeometry *) nogil
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GEOSCoordSequence *GEOSCoordSeq_clone_r(GEOSContextHandle_t, GEOSCoordSequence *) nogil
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void GEOSGeom_destroy_r(GEOSContextHandle_t, GEOSGeometry *) nogil
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char GEOSPreparedContains_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedContainsProperly_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedCoveredBy_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedCovers_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedCrosses_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedDisjoint_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedIntersects_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedOverlaps_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedTouches_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSPreparedWithin_r(GEOSContextHandle_t, const GEOSPreparedGeometry*, const GEOSGeometry*) nogil
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char GEOSHasZ_r(GEOSContextHandle_t, GEOSGeometry *) nogil
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char GEOSisRing_r(GEOSContextHandle_t, GEOSGeometry *) nogil
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char GEOSisClosed_r(GEOSContextHandle_t, GEOSGeometry *) nogil
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char GEOSisValid_r(GEOSContextHandle_t, GEOSGeometry *) nogil
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char GEOSisSimple_r(GEOSContextHandle_t, GEOSGeometry *) nogil
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cdef GEOSContextHandle_t get_geos_context_handle():
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# Note: This requires that lgeos is defined, so needs to be imported as:
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from shapely.geos import lgeos
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cdef uintptr_t handle = lgeos.geos_handle
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return <GEOSContextHandle_t>handle
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cdef GEOSPreparedGeometry *geos_from_prepared(shapely_geom) except *:
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"""Get the Prepared GEOS geometry pointer from the given shapely geometry."""
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cdef uintptr_t geos_geom = shapely_geom._geom
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return <GEOSPreparedGeometry *>geos_geom
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