| gvSIG desktop 1

 /**********************************************************************

 * $Id: ogrlayer_interfaz.cpp 970 2005-01-13 12:52:33Z igbrotru $

 *

 * Name:     ogrlayer_interfaz.c

 * Project:  JGDAL. Interface java to gdal (Frank Warmerdam).

 * Purpose:  

 * Author:   Nacho Brodin, brodin_ign@gva.es

 *

 **********************************************************************/

/*Copyright (C) 2004  Nacho Brodin <brodin_ign@gva.es>

 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.

 */

#include <jni.h>

#include "es_gva_cit_jogr_OGRLayer.h"

#include "es_gva_cit_jogr_JNIBase.h"

#include "ogr_api.h"

#include "ogrsf_frmts.h"

/******************************************************************************/

//                                                                        getLayerDefn

/******************************************************************************/

JNIEXPORT jlong JNICALL Java_es_gva_cit_jogr_OGRLayer_getLayerDefnNat

  (JNIEnv *env, jobject obj, jlong cPtr){

          OGRLayer                                 *capa  = (OGRLayer *) 0 ;

          OGRFeatureDefn                         *fd;

          long                                        featuredefn=0;

          capa = *(OGRLayer **)&cPtr;

          fd = capa->GetLayerDefn();

          featuredefn = (long)&(*fd);

          return (jlong)featuredefn;

  }

/******************************************************************************/

//                                                                getFeatureCount

/******************************************************************************/

JNIEXPORT jint JNICALL Java_es_gva_cit_jogr_JNIBase_getFeatureCountNat

  (JNIEnv *env, jobject obj, jlong cPtr){

          int                                 res        = -1;

          OGRLayer                         *capa  = (OGRLayer *) 0 ;

          capa = *(OGRLayer **)&cPtr;

          res = capa->GetFeatureCount();

          return res;

  }

/******************************************************************************/

//                                                                  resetReading

/******************************************************************************/

JNIEXPORT void JNICALL Java_es_gva_cit_jogr_OGRLayer_resetReadingNat

  (JNIEnv *env, jobject obj, jlong cPtr){

          OGRLayer         *capa  = (OGRLayer *) 0 ;

          capa = *(OGRLayer **)&cPtr;

          capa->ResetReading();

  }

/******************************************************************************/

//                                                                        getExtent

/******************************************************************************/

JNIEXPORT jint JNICALL Java_es_gva_cit_jogr_OGRLayer_getExtentNat

  (JNIEnv *env, jobject obj, jlong cPtr, jobject extent, jboolean bForce){

          OGRLayer                                 *capa  = (OGRLayer *) 0 ;

          OGREnvelope                         oExt;

          jclass                                         clase;

          jfieldID                                 id_campo;

          int                                         res;

          capa = *(OGRLayer **)&cPtr;

          res = capa->GetExtent(&oExt, (bool)bForce);

          clase = env->GetObjectClass(extent);

          id_campo = env->GetFieldID( clase, "minX", "D");

          env->SetDoubleField( extent, id_campo, oExt.MinX);

          id_campo = env->GetFieldID( clase, "maxX", "D");

          env->SetDoubleField( extent, id_campo, oExt.MaxX);

          id_campo = env->GetFieldID( clase, "minY", "D");

          env->SetDoubleField( extent, id_campo, oExt.MinY);

          id_campo = env->GetFieldID( clase, "maxY", "D");

          env->SetDoubleField( extent, id_campo, oExt.MaxX);

          oExt.~OGREnvelope();          

          return res;

  }

/******************************************************************************/

//                                                                getNextFeature

/******************************************************************************/  

JNIEXPORT jlong JNICALL Java_es_gva_cit_jogr_OGRLayer_getNextFeatureNat

  (JNIEnv *env, jobject obj, jlong cPtr){

          OGRLayer                 *capa = (OGRLayer *) 0 ;

          OGRFeature                 *feature;

          long                         ptro_feat = -1;

          capa = *(OGRLayer **)&cPtr;

          if(capa!=NULL){

                  feature = capa->GetNextFeature();

                  if(feature !=NULL)

                          ptro_feat = (long)&(*feature);

                  else return -1;

          }

          return ptro_feat;

  }

/******************************************************************************/

//                                                                ~OGRLayer

/******************************************************************************/

  JNIEXPORT void JNICALL Java_es_gva_cit_jogr_OGRLayer_FreeOGRLayerNat

  (JNIEnv *env, jobject obj, jlong cPtr){

          OGRLayer *df = (OGRLayer *) 0 ;

          df = *(OGRLayer **)&cPtr;

          if(df!=NULL){

                  df->~OGRLayer();

          }

  }