gg_mbr.h

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/*
 gg_mbr.h -- Gaia common support for geometries: MBR functions
  
 version 4.0, 2012 August 6

 Author: Sandro Furieri a.furieri@lqt.it

 ------------------------------------------------------------------------------
 
 Version: MPL 1.1/GPL 2.0/LGPL 2.1
 
 The contents of this file are subject to the Mozilla Public License Version
 1.1 (the "License"); you may not use this file except in compliance with
 the License. You may obtain a copy of the License at
 http://www.mozilla.org/MPL/
 
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
for the specific language governing rights and limitations under the
License.

The Original Code is the SpatiaLite library

The Initial Developer of the Original Code is Alessandro Furieri
 
Portions created by the Initial Developer are Copyright (C) 2008-2012
the Initial Developer. All Rights Reserved.

Contributor(s):


Alternatively, the contents of this file may be used under the terms of
either the GNU General Public License Version 2 or later (the "GPL"), or
the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
in which case the provisions of the GPL or the LGPL are applicable instead
of those above. If you wish to allow use of your version of this file only
under the terms of either the GPL or the LGPL, and not to allow others to
use your version of this file under the terms of the MPL, indicate your
decision by deleting the provisions above and replace them with the notice
and other provisions required by the GPL or the LGPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the MPL, the GPL or the LGPL.
 
*/


#ifndef _GG_MBR_H
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#define _GG_MBR_H
#endif

#ifdef __cplusplus
extern "C"
{
#endif

/* function prototypes */

    GAIAGEO_DECLARE void gaiaMbrLinestring (gaiaLinestringPtr line);

    GAIAGEO_DECLARE void gaiaMbrRing (gaiaRingPtr rng);

    GAIAGEO_DECLARE void gaiaMbrPolygon (gaiaPolygonPtr polyg);

    GAIAGEO_DECLARE void gaiaMbrGeometry (gaiaGeomCollPtr geom);

    GAIAGEO_DECLARE int gaiaGetMbrMinX (const unsigned char *blob,
                                        unsigned int size, double *minx);

    GAIAGEO_DECLARE int gaiaGetMbrMaxX (const unsigned char *blob,
                                        unsigned int size, double *maxx);

    GAIAGEO_DECLARE int gaiaGetMbrMinY (const unsigned char *blob,
                                        unsigned int size, double *miny);

    GAIAGEO_DECLARE int gaiaGetMbrMaxY (const unsigned char *blob,
                                        unsigned int size, double *maxy);

    GAIAGEO_DECLARE gaiaGeomCollPtr gaiaFromSpatiaLiteBlobMbr (const unsigned
                                                               char *blob,
                                                               unsigned int
                                                               size);

    GAIAGEO_DECLARE int gaiaMbrsContains (gaiaGeomCollPtr mbr1,
                                          gaiaGeomCollPtr mbr2);

    GAIAGEO_DECLARE int gaiaMbrsDisjoint (gaiaGeomCollPtr mbr1,
                                          gaiaGeomCollPtr mbr2);

    GAIAGEO_DECLARE int gaiaMbrsEqual (gaiaGeomCollPtr mbr1,
                                       gaiaGeomCollPtr mbr2);

    GAIAGEO_DECLARE int gaiaMbrsIntersects (gaiaGeomCollPtr mbr1,
                                            gaiaGeomCollPtr mbr2);

    GAIAGEO_DECLARE int gaiaMbrsOverlaps (gaiaGeomCollPtr mbr1,
                                          gaiaGeomCollPtr mbr2);

    GAIAGEO_DECLARE int gaiaMbrsTouches (gaiaGeomCollPtr mbr1,
                                         gaiaGeomCollPtr mbr2);

    GAIAGEO_DECLARE int gaiaMbrsWithin (gaiaGeomCollPtr mbr1,
                                        gaiaGeomCollPtr mbr2);

    GAIAGEO_DECLARE void gaiaBuildMbr (double x1, double y1, double x2,
                                       double y2, int srid,
                                       unsigned char **result, int *size);

    GAIAGEO_DECLARE void gaiaBuildCircleMbr (double x, double y, double radius,
                                             int srid, unsigned char **result,
                                             int *size);

    GAIAGEO_DECLARE void gaiaBuildFilterMbr (double x1, double y1, double x2,
                                             double y2, int mode,
                                             unsigned char **result, int *size);

    GAIAGEO_DECLARE int gaiaParseFilterMbr (unsigned char *result, int size,
                                            double *minx, double *miny,
                                            double *maxx, double *maxy,
                                            int *mode);

    GAIAGEO_DECLARE void gaiaZRangeLinestring (gaiaLinestringPtr line,
                                               double *min, double *max);

    GAIAGEO_DECLARE void gaiaZRangeRing (gaiaRingPtr rng, double *min,
                                         double *max);

    GAIAGEO_DECLARE void gaiaZRangePolygon (gaiaPolygonPtr polyg, double *min,
                                            double *max);

    GAIAGEO_DECLARE void gaiaZRangeGeometry (gaiaGeomCollPtr geom, double *min,
                                             double *max);

    GAIAGEO_DECLARE void gaiaMRangeLinestring (gaiaLinestringPtr line,
                                               double *min, double *max);

    GAIAGEO_DECLARE void gaiaMRangeRing (gaiaRingPtr rng, double *min,
                                         double *max);

    GAIAGEO_DECLARE void gaiaMRangePolygon (gaiaPolygonPtr polyg, double *min,
                                            double *max);

    GAIAGEO_DECLARE void gaiaMRangeGeometry (gaiaGeomCollPtr geom, double *min,
                                             double *max);


#ifdef __cplusplus
}
#endif

#endif                          /* _GG_MBR_H */