【QGIS跨平台编译】之【librttopo跨平台编译】：Linux环境下编译成果（支撑QGIS跨平台编译，以及二次研发）

/********************************************************************** * * rttopo - topology library * http://git.osgeo.org/gitea/rttopo/librttopo * * rttopo is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * rttopo is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with rttopo. If not, see <http://www.gnu.org/licenses/>. * ********************************************************************** * * Copyright 2011-2016 Sandro Santilli <strk@kbt.io> * Copyright 2011 Paul Ramsey <pramsey@cleverelephant.ca> * Copyright 2007-2008 Mark Cave-Ayland * Copyright 2001-2006 Refractions Research Inc. * **********************************************************************/ #ifndef _LIBRTGEOM_H #define _LIBRTGEOM_H 1 #define GEOS_USE_ONLY_R_API 1 #include <geos_c.h> #include <stdarg.h> #include <stdio.h> #include <stdint.h> /** * @file librttopo_geom.h * * This library is the generic geometry handling section of librttopo. * The geometry objects, constructors, destructors, and a set of spatial * processing functions, are implemented here. * * Programs using this library can install their custom memory managers * passing them to the rtgeom_init function, and their custom message * handlers using the appropriate rtgeom_set_*_logger functions. */ /** * Return types for functions with status returns. */ #define RT_TRUE 1 #define RT_FALSE 0 #define RT_UNKNOWN 2 #define RT_FAILURE 0 #define RT_SUCCESS 1 /** * RTRTTYPE numbers */ #define RTPOINTTYPE 1 #define RTLINETYPE 2 #define RTPOLYGONTYPE 3 #define RTMULTIPOINTTYPE 4 #define RTMULTILINETYPE 5 #define RTMULTIPOLYGONTYPE 6 #define RTCOLLECTIONTYPE 7 #define RTCIRCSTRINGTYPE 8 #define RTCOMPOUNDTYPE 9 #define RTCURVEPOLYTYPE 10 #define RTMULTICURVETYPE 11 #define RTMULTISURFACETYPE 12 #define RTPOLYHEDRALSURFACETYPE 13 #define RTTRIANGLETYPE 14 #define RTTINTYPE 15 #define RTNUMTYPES 16 /** * Flags applied in EWKB to indicate Z/M dimensions and * presence/absence of SRID and bounding boxes */ #define RTWKBZOFFSET 0x80000000 #define RTWKBMOFFSET 0x40000000 #define RTWKBSRIDFLAG 0x20000000 #define RTWKBBBOXFLAG 0x10000000 /** Ordinate names */ typedef enum RTORD_T { RTORD_X = 0, RTORD_Y = 1, RTORD_Z = 2, RTORD_M = 3 } RTORD; /** * Macros for manipulating the 'flags' byte. A uint8_t used as follows: * ---RGBMZ * Three unused bits, followed by ReadOnly, Geodetic, HasBBox, HasM and HasZ flags. */ #define RTFLAGS_GET_Z(flags) ((flags) & 0x01) #define RTFLAGS_GET_M(flags) (((flags) & 0x02)>>1) #define RTFLAGS_GET_BBOX(flags) (((flags) & 0x04)>>2) #define RTFLAGS_GET_GEODETIC(flags) (((flags) & 0x08)>>3) #define RTFLAGS_GET_READONLY(flags) (((flags) & 0x10)>>4) #define RTFLAGS_GET_SOLID(flags) (((flags) & 0x20)>>5) #define RTFLAGS_SET_Z(flags, value) ((flags) = (value) ? ((flags) | 0x01) : ((flags) & 0xFE)) #define RTFLAGS_SET_M(flags, value) ((flags) = (value) ? ((flags) | 0x02) : ((flags) & 0xFD)) #define RTFLAGS_SET_BBOX(flags, value) ((flags) = (value) ? ((flags) | 0x04) : ((flags) & 0xFB)) #define RTFLAGS_SET_GEODETIC(flags, value) ((flags) = (value) ? ((flags) | 0x08) : ((flags) & 0xF7)) #define RTFLAGS_SET_READONLY(flags, value) ((flags) = (value) ? ((flags) | 0x10) : ((flags) & 0xEF)) #define RTFLAGS_SET_SOLID(flags, value) ((flags) = (value) ? ((flags) | 0x20) : ((flags) & 0xDF)) #define RTFLAGS_NDIMS(flags) (2 + RTFLAGS_GET_Z(flags) + RTFLAGS_GET_M(flags)) #define RTFLAGS_GET_ZM(flags) (RTFLAGS_GET_M(flags) + RTFLAGS_GET_Z(flags) * 2) #define RTFLAGS_NDIMS_BOX(flags) (RTFLAGS_GET_GEODETIC(flags) ? 3 : RTFLAGS_NDIMS(flags)) /** * Macros for manipulating the 'typemod' int. An int32_t used as follows: * Plus/minus = Top bit. * Spare bits = Next 2 bits. * SRID = Next 21 bits. * RTTYPE = Next 6 bits. * ZM Flags = Bottom 2 bits. */ #define RTTYPMOD_GET_SRID(typmod) ((((typmod) & 0x1FFFFF00)<<3)>>11) #define RTTYPMOD_SET_SRID(typmod, srid) ((typmod) = (((typmod) & 0xE00000FF) | ((srid & 0x001FFFFF)<<8))) #define RTTYPMOD_GET_TYPE(typmod) ((typmod & 0x000000FC)>>2) #define RTTYPMOD_SET_TYPE(typmod, type) ((typmod) = (typmod & 0xFFFFFF03) | ((type & 0x0000003F)<<2)) #define RTTYPMOD_GET_Z(typmod) ((typmod & 0x00000002)>>1) #define RTTYPMOD_SET_Z(typmod) ((typmod) = typmod | 0x00000002) #define RTTYPMOD_GET_M(typmod) (typmod & 0x00000001) #define RTTYPMOD_SET_M(typmod) ((typmod) = typmod | 0x00000001) #define RTTYPMOD_GET_NDIMS(typmod) (2+RTTYPMOD_GET_Z(typmod)+RTTYPMOD_GET_M(typmod)) /** * Maximum allowed SRID value in serialized geometry. * Currently we are using 21 bits (2097152) of storage for SRID. */ #define SRID_MAXIMUM 999999 /** * Maximum valid SRID value for the user * We reserve 1000 values for internal use */ #define SRID_USER_MAXIMUM 998999 /** Unknown SRID value */ #define SRID_UNKNOWN 0 #define SRID_IS_UNKNOWN(x) ((int)x<=0) /* ** EPSG WGS84 geographics, OGC standard default SRS, better be in ** the SPATIAL_REF_SYS table! */ #define SRID_DEFAULT 4326 #ifndef __GNUC__ # define __attribute__(x) #endif /** * RT library context */ typedef struct RTCTX_T RTCTX; /** * Global functions for memory/logging handlers. */ typedef void* (*rtallocator)(size_t size); typedef void* (*rtreallocator)(void *mem, size_t size); typedef void (*rtfreeor)(void* mem); typedef void (*rtreporter)(const char* fmt, va_list ap, void *arg) __attribute__ (( format(printf, 1, 0) )); typedef void (*rtdebuglogger)(int level, const char* fmt, va_list ap, void *arg) __attribute__ (( format(printf, 2,0) )); /** * Initialize the library with custom memory management functions * you want your application to use. * @param allocator function for allocating memory, * or NULL to use the default * @param reallocator function for reallocating memory, * or NULL to use the default * @param freeor function for release memory, * or NULL to use the default * @return a context object to use in subsequent calls * to the library * @see rtgeom_finish to destroy the created context * @ingroup system */ RTCTX *rtgeom_init(rtallocator allocator, rtreallocator reallocator, rtfreeor freeor); /** * Deinitialize the library, releasing all context memory * * @param ctx a context returned by rtgeom_init * */ void rtgeom_finish(RTCTX *ctx); /** Return rtgeom version string (not to be freed) */ const char* rtgeom_version(void); /** * This functions are called by programs which want to set up * custom handling for error reporting */ extern void rtgeom_set_error_logger(RTCTX *ctx, rtreporter logger, void *arg); extern void rtgeom_set_notice_logger(RTCTX *ctx, rtreporter logger, void *arg); extern void rtgeom_set_debug_logger(RTCTX *ctx, rtdebuglogger logger, void *arg); /** * Request interruption of any running code * * Safe for use from signal handlers * * Interrupted code will (as soon as it finds out * to be interrupted) cleanup and return as soon as possible. * * The return value from interrupted code is undefined, * it is the caller responsibility to not take it in consideration. * */ extern void rtgeom_request_interrupt(const RTCTX *ctx); /** * Cancel any interruption request */ extern void rtgeom_cancel_interrupt(const RTCTX *ctx); /** * Install a callback to be called periodically during * algorithm execution. Mostly only