Application: gvSIG desktop

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

 * $Id$

 *

 * Name:     ltiimagestage.c

 * Project:  JMRSID. Interfaz java to MrSID (Lizardtech).

 * Purpose:

 * Author:   Nacho Brodin, brodin_ign@gva.es

 *

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

/* gvSIG. Sistema de Informaci?n Geogr?fica 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 Ib??ez, 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 <malloc.h>

#include "es_gva_cit_jmrsid_LTIImageStage.h"

#include "es_gva_cit_jmrsid_JNIBase.h"

#include "lt_types.h"

#include "lt_base.h"

#include "lt_fileSpec.h"

#include "lti_geoCoord.h"

#include "lti_pixel.h"

#include "lti_navigator.h"

#include "lti_sceneBuffer.h"

#include "lti_metadataDatabase.h"

#include "lti_metadataRecord.h"

#include "lti_utils.h"

#include "MrSIDImageReader.h"

#include "J2KImageReader.h"

#include "lti_imageReader.h"

#include "lti_sceneBuffer.h"

#include "lti_scene.h"

//#include "cpl_conv.h"

//#include "TIFFImageWriter.h"

#include "../include/jmrsid.h"

LT_USE_NAMESPACE(LizardTech);

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

//                                                                         read

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

JNIEXPORT jint JNICALL Java_es_gva_cit_jmrsid_LTIImageStage_readNat

  (JNIEnv *env, jobject obj, jlong cPtr, jlong cPtrscene, jlong cPtr_scenebuffer,jlong cPtrbuffer, jobject objbuf){

          LTIScene *scene;

          LTISceneBuffer *buffer;

          LTIImageStage *img;

          t_buffer *str_buffer=NULL;

          jclass class_mrsidbuffer;

          jfieldID id_b1,id_b2,id_b3,fid;

          jbyteArray jvect_byte1,jvect_byte2,jvect_byte3;

          int size;

          img = *(LTIImageStage **)&cPtr;

          scene = *(LTIScene **)&cPtrscene;

          buffer = *(LTISceneBuffer **)&cPtr_scenebuffer;

          //Obtenemos el puntero al buffer. La llamada al constructor de SceneBuffer fue con el flag a 1.

          if(cPtrbuffer!=-1){

                  str_buffer = *(t_buffer **)&cPtrbuffer;

          }

          //Llamamos a read

          int res=img->read(*scene,*buffer);

        if(str_buffer!=NULL){

                  //Obtenemos el tama?o

                  class_mrsidbuffer = env->GetObjectClass(objbuf);

                fid = env->GetFieldID( class_mrsidbuffer, "size", "I");

                  size = env->GetIntField( objbuf, fid);

                  //Cargamos los datos en el buffer si la llamada fue con flag a 1

                  id_b1 = env->GetFieldID( class_mrsidbuffer, "buf1", "[B");

                  jvect_byte1 = env->NewByteArray(size);

                env->SetByteArrayRegion(jvect_byte1, 0, size,(jbyte *)str_buffer->bufs[0]);

                  env->SetObjectField( objbuf, id_b1, jvect_byte1);

                  id_b2 = env->GetFieldID( class_mrsidbuffer, "buf2", "[B");

                  jvect_byte2 = env->NewByteArray(size);

                  env->SetByteArrayRegion(jvect_byte2, 0, size,(jbyte *)str_buffer->bufs[1]);

                  env->SetObjectField( objbuf, id_b2, jvect_byte2);

                  id_b3 = env->GetFieldID( class_mrsidbuffer, "buf3", "[B");

                  jvect_byte3 = env->NewByteArray(size);

                  env->SetByteArrayRegion(jvect_byte3, 0, size,(jbyte *)str_buffer->bufs[2]);

                  env->SetObjectField( objbuf, id_b3, jvect_byte3);

                  //Esto lo haremos en el destructor de LTISceneBuffer

                  //delete(str_buffer->membuf);

                  //free(str_buffer);

          }

                  return res;

  }

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

//                                                                 ~LTIImageStage

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

JNIEXPORT void JNICALL Java_es_gva_cit_jmrsid_LTIImageStage_FreeLTIImageStageNat

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

          LTIImageStage *stage = (LTIImageStage *) 0 ;

          stage = *(LTIImageStage **)&cPtr;

          if(stage!=NULL){

                  delete stage;

          }

  }