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Macros | |
| #define | G2FLAG_Z 0x01 |
| Macros for manipulating the core 'flags' byte. More... | |
| #define | G2FLAG_M 0x02 |
| #define | G2FLAG_BBOX 0x04 |
| #define | G2FLAG_GEODETIC 0x08 |
| #define | G2FLAG_EXTENDED 0x10 |
| #define | G2FLAG_RESERVED1 0x20 /* RESERVED FOR FUTURE USES */ |
| #define | G2FLAG_VER_0 0x40 |
| #define | G2FLAG_RESERVED2 0x80 /* RESERVED FOR FUTURE VERSIONS */ |
| #define | G2FLAG_X_SOLID 0x00000001 |
| Macros for the extended 'flags' uint64_t. More... | |
| #define | G2FLAG_X_CHECKED_VALID 0x00000002 |
| #define | G2FLAG_X_IS_VALID 0x00000004 |
| #define | G2FLAG_X_HAS_HASH 0x00000008 |
| #define | G2FLAGS_GET_VERSION(gflags) (((gflags) & G2FLAG_VER_0)>>6) |
| #define | G2FLAGS_GET_Z(gflags) ((gflags) & G2FLAG_Z) |
| #define | G2FLAGS_GET_M(gflags) (((gflags) & G2FLAG_M)>>1) |
| #define | G2FLAGS_GET_BBOX(gflags) (((gflags) & G2FLAG_BBOX)>>2) |
| #define | G2FLAGS_GET_GEODETIC(gflags) (((gflags) & G2FLAG_GEODETIC)>>3) |
| #define | G2FLAGS_GET_EXTENDED(gflags) (((gflags) & G2FLAG_EXTENDED)>>4) |
| #define | G2FLAGS_GET_UNUSED(gflags) (((gflags) & G2FLAG_UNUSED)>>5) |
| #define | G2FLAGS_SET_Z(gflags, value) ((gflags) = (value) ? ((gflags) | G2FLAG_Z) : ((gflags) & ~G2FLAG_Z)) |
| #define | G2FLAGS_SET_M(gflags, value) ((gflags) = (value) ? ((gflags) | G2FLAG_M) : ((gflags) & ~G2FLAG_M)) |
| #define | G2FLAGS_SET_BBOX(gflags, value) ((gflags) = (value) ? ((gflags) | G2FLAG_BBOX) : ((gflags) & ~G2FLAG_BBOX)) |
| #define | G2FLAGS_SET_GEODETIC(gflags, value) ((gflags) = (value) ? ((gflags) | G2FLAG_GEODETIC) : ((gflags) & ~G2FLAG_GEODETIC)) |
| #define | G2FLAGS_SET_EXTENDED(gflags, value) ((gflags) = (value) ? ((gflags) | G2FLAG_EXTENDED) : ((gflags) & ~G2FLAG_EXTENDED)) |
| #define | G2FLAGS_SET_VERSION(gflags, value) ((gflags) = (value) ? ((gflags) | G2FLAG_VER_0) : ((gflags) & ~G2FLAG_VER_0)) |
| #define | G2FLAGS_NDIMS(gflags) (2 + G2FLAGS_GET_Z(gflags) + G2FLAGS_GET_M(gflags)) |
| #define | G2FLAGS_GET_ZM(gflags) (G2FLAGS_GET_M(gflags) + G2FLAGS_GET_Z(gflags) * 2) |
| #define | G2FLAGS_NDIMS_BOX(gflags) (G2FLAGS_GET_GEODETIC(gflags) ? 3 : G2FLAGS_NDIMS(gflags)) |
Functions | |
| uint8_t | g2flags (int has_z, int has_m, int is_geodetic) |
| uint8_t | lwflags_get_g2flags (lwflags_t lwflags) |
| lwflags_t | gserialized2_get_lwflags (const GSERIALIZED *g) |
| Read the flags from a GSERIALIZED and return a standard lwflag integer. More... | |
| GSERIALIZED * | gserialized2_set_gbox (GSERIALIZED *g, GBOX *gbox) |
| Copy a new bounding box into an existing gserialized. More... | |
| GSERIALIZED * | gserialized2_drop_gbox (GSERIALIZED *g) |
| Remove the bounding box from a GSERIALIZED. More... | |
| int | gserialized2_get_gbox_p (const GSERIALIZED *g, GBOX *gbox) |
| Read the box from the GSERIALIZED or calculate it if necessary. More... | |
| int | gserialized2_fast_gbox_p (const GSERIALIZED *g, GBOX *gbox) |
| Read the box from the GSERIALIZED or return #LWFAILURE if box is unavailable. More... | |
| uint32_t | gserialized2_get_type (const GSERIALIZED *g) |
| Extract the geometry type from the serialized form (it hides in the anonymous data area, so this is a handy function). More... | |
| uint32_t | gserialized2_max_header_size (void) |
| Returns the size in bytes to read from toast to get the basic information from a geometry: GSERIALIZED struct, bbox and type. More... | |
| int32_t | gserialized2_hash (const GSERIALIZED *g) |
| Returns a hash code for the srid/type/geometry information in the GSERIALIZED. More... | |
| int32_t | gserialized2_get_srid (const GSERIALIZED *g) |
| Extract the SRID from the serialized form (it is packed into three bytes so this is a handy function). More... | |
| void | gserialized2_set_srid (GSERIALIZED *g, int32_t srid) |
| Write the SRID into the serialized form (it is packed into three bytes so this is a handy function). More... | |
| int | gserialized2_is_empty (const GSERIALIZED *g) |
| Check if a GSERIALIZED is empty without deserializing first. More... | |
| int | gserialized2_has_bbox (const GSERIALIZED *gser) |
| Check if a GSERIALIZED has a bounding box without deserializing first. More... | |
| int | gserialized2_has_extended (const GSERIALIZED *g) |
| Check if a GSERIALIZED has an extended flags section. More... | |
| int | gserialized2_has_z (const GSERIALIZED *gser) |
| Check if a GSERIALIZED has a Z ordinate. More... | |
| int | gserialized2_has_m (const GSERIALIZED *gser) |
| Check if a GSERIALIZED has an M ordinate. More... | |
| int | gserialized2_is_geodetic (const GSERIALIZED *gser) |
| Check if a GSERIALIZED is a geography. More... | |
| int | gserialized2_ndims (const GSERIALIZED *gser) |
| Return the number of dimensions (2, 3, 4) in a geometry. More... | |
| GSERIALIZED * | gserialized2_from_lwgeom (LWGEOM *geom, size_t *size) |
| Allocate a new GSERIALIZED from an LWGEOM. More... | |
| size_t | gserialized2_from_lwgeom_size (const LWGEOM *geom) |
| Return the memory size a GSERIALIZED will occupy for a given LWGEOM. More... | |
| LWGEOM * | lwgeom_from_gserialized2 (const GSERIALIZED *g) |
| Allocate a new LWGEOM from a GSERIALIZED. More... | |
| const float * | gserialized2_get_float_box_p (const GSERIALIZED *g, size_t *ndims) |
| Point into the float box area of the serialization. More... | |
| int | gserialized2_peek_gbox_p (const GSERIALIZED *g, GBOX *gbox) |
| int | gserialized2_peek_first_point (const GSERIALIZED *g, POINT4D *out_point) |
