/**********************************************************************
 * $Id$
 *
 * Name:     OGRSpatialReference_interfaz.c
 * Project:  JGDAL. Interface java to gdal (Frank Warmerdam).
 * Purpose:  dataset's Basic Funcions.
 * Author:   Nacho Brodin, brodin_ign@gva.es
 *
 **********************************************************************/
/* gvSIG. Sistema de Información Geográfica de la Generalitat Valenciana
*
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
*
* For more information, contact:
*
*  Generalitat Valenciana
*   Conselleria d'Infraestructures i Transport
*   Av. Blasco Ibáñez, 50
*   46010 VALENCIA
*   SPAIN
*
*      +34 963862235
*   gvsig@gva.es
*      www.gvsig.gva.es
*
*    or
*
*   IVER T.I. S.A
*   Salamanca 50
*   46005 Valencia
*   Spain
*
*   +34 963163400
*   dac@iver.es
*/


#include <jni.h>
#include "es_gva_cit_jogr_OGRSpatialReference.h"
#include "es_gva_cit_jogr_JNIBase.h"
#include "gdal.h"
#include "cpl_string.h"
#include "ogr_api.h"
#include "ogr_srs_api.h"


/******************************************************************************/
//								setUTM
/******************************************************************************/

JNIEXPORT jint JNICALL Java_es_gva_cit_jogr_OGRSpatialReference_setUTMNat
  (JNIEnv *env, jobject obj, jlong cPtr, jint zona, jint norte_sur){
  	
  	OGRSpatialReferenceH *hSRS = (OGRSpatialReferenceH *) 0 ;
  	
  	hSRS = *(OGRSpatialReferenceH **)&cPtr;
  	if(hSRS!=NULL){
  		OSRSetUTM( *hSRS, zona, norte_sur );
 		return 1;
  	}
  	return -1;
  }

/******************************************************************************/
//							setWellKnownGeogCS
/******************************************************************************/

JNIEXPORT jint JNICALL Java_es_gva_cit_jogr_OGRSpatialReference_setWellKnownGeogCSNat
  (JNIEnv *env, jobject obj, jlong cPtr, jstring cs){
  	
  	OGRSpatialReferenceH *hSRS = (OGRSpatialReferenceH *) 0 ;
  	
  	hSRS = *(OGRSpatialReferenceH **)&cPtr;
  	if(hSRS!=NULL){
  		const char *coord_sys = (*env)->GetStringUTFChars(env, cs, 0);
  		OSRSetWellKnownGeogCS( *hSRS, coord_sys );
  		(*env)->ReleaseStringUTFChars(env, cs, coord_sys);
  		return 1;
  	}
  	
  	return -1;
  }

/******************************************************************************/
//							OGRSpatialReference
/******************************************************************************/

JNIEXPORT jlong JNICALL Java_es_gva_cit_jogr_OGRSpatialReference_OGRSpatialReferenceNat
  (JNIEnv *env, jobject obj){
  	
  	OGRSpatialReferenceH *hSRS;
  	jlong jresult=0;
  	hSRS=(OGRSpatialReferenceH*)malloc(sizeof(OGRSpatialReferenceH));
  	
 	*hSRS = OSRNewSpatialReference( NULL );
  	*(OGRSpatialReferenceH **)&jresult = hSRS;
  	
  	//printf("-------->%ld\n",(long)jresult);
  	return (long)jresult;
  }
  
/******************************************************************************/
//								exportToWkt
/******************************************************************************/

JNIEXPORT jstring JNICALL Java_es_gva_cit_jogr_OGRSpatialReference_exportToWktNat
  (JNIEnv *env, jobject obj, jlong cPtr){
  	
  	OGRSpatialReferenceH *hSRS = (OGRSpatialReferenceH *) 0 ;
  	jstring wkt;
  	char *pszSRS_WKT = NULL;
  	
  	hSRS = *(OGRSpatialReferenceH **)&cPtr;
  	
  	if(hSRS!=NULL){
  		 OSRExportToWkt( *hSRS, &pszSRS_WKT );
  		 if(pszSRS_WKT!=NULL){
			wkt = (*env)->NewStringUTF(env, pszSRS_WKT);	
			return wkt;
  		 }  		
  	}
  	
  	return NULL;
  }
  
/******************************************************************************/
//							getUTMZone
/******************************************************************************/    
  
JNIEXPORT jint JNICALL Java_es_gva_cit_jogr_OGRSpatialReference_getUTMZoneNat
  (JNIEnv *env, jobject obj, jlong cPtr){
  	
  	/*OGRSpatialReferenceH *hSRS = (OGRSpatialReferenceH *) 0 ;
  	
  	hSRS = *(OGRSpatialReferenceH **)&cPtr;
  	if(hSRS!=NULL){
  		int *pH;
  		return OSRGetUTMZone(hSRS,pH);
  	}*/
  	return -1;
  	
  }


/******************************************************************************/
//							getHemisphere
/******************************************************************************/   
 
JNIEXPORT jint JNICALL Java_es_gva_cit_jogr_OGRSpatialReference_getHemisphereNat
  (JNIEnv *env, jobject obj, jlong cPtr){

  	/*OGRSpatialReferenceH *hSRS = (OGRSpatialReferenceH *) 0 ;
  	
  	hSRS = *(OGRSpatialReferenceH **)&cPtr;
  	if(hSRS!=NULL){
  		int pH;
  		OSRGetUTMZone(hSRS,&pH);
  		return *pH;
  	}*/
  	return -1;
  	
  }
  
/******************************************************************************/
//							OSRDestroySpatialReference
/******************************************************************************/  
  
JNIEXPORT void JNICALL Java_es_gva_cit_jogr_OGRSpatialReference_OSRDestroySpatialReferenceNat
  (JNIEnv *env, jobject obj, jlong cPtr){

  	OGRSpatialReferenceH *hSRS = (OGRSpatialReferenceH *) 0 ;
  	
  	hSRS = *(OGRSpatialReferenceH **)&cPtr;
  	
  	if(hSRS!=NULL){
  		OSRDestroySpatialReference(*hSRS);
  	}
  }

/******************************************************************************/
//							setFromUserInput
/******************************************************************************/  
 
 JNIEXPORT jint JNICALL Java_es_gva_cit_jogr_OGRSpatialReference_setFromUserInputNat
  (JNIEnv *env, jobject obj, jlong cPtr, jstring a_srs){
  	
  	int						ogrerr;
  	OGRSpatialReferenceH 	*hSRS = (OGRSpatialReferenceH *) 0 ;
  	const char *s;
  	
  	hSRS = *(OGRSpatialReferenceH **)&cPtr;
  	s = (*env)->GetStringUTFChars(env, a_srs, 0);
  	ogrerr = OSRSetFromUserInput(hSRS,s);
  	(*env)->ReleaseStringUTFChars(env, a_srs, s);
  	return ogrerr;
  	
  }