svn-gvsig-desktop / trunk / libraries / libjni-gdal / src / main / native / jgdal / gdal_interfaz.c @ 19201
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/**********************************************************************
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* $Id: gdal_interfaz.c 15691 2007-10-31 10:49:53Z nbrodin $
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*
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* Name: gdal_interfaz.c
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* Project: JGDAL. Interface java to gdal (Frank Warmerdam).
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* Purpose: dataset's Basic Funcions.
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* Author: Nacho Brodin, brodin_ign@gva.es
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*
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**********************************************************************/
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib��ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*
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* [01] 01-Oct-2005 nbt OpenArray function to support name parameter in char array
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*/
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#include <jni.h> |
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#include "gdal.h" |
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#include "cpl_string.h" |
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#include "signal.h" |
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/******************************************************************************/
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// Open
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/******************************************************************************/
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JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_openNat |
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(JNIEnv *env, jobject obj, jstring pszF, jint acc){
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const char *pszFilename; |
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GDALDatasetH *dataset; |
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jlong jresult = 0 ;
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FILE *fich; |
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pszFilename = (*env)->GetStringUTFChars(env, pszF, 0);
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fich=fopen( pszFilename, "r" );
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if( fich )
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fclose(fich); |
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else
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{
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fclose(fich); |
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return -1; |
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} |
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GDALAllRegister(); |
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dataset = GDALOpen((char *)pszFilename,(int)acc); |
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*(GDALDatasetH **)&jresult = dataset; |
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(*env)->ReleaseStringUTFChars(env, pszF, pszFilename); |
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if(dataset==NULL)return -1; |
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else return jresult; |
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} |
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/******************************************************************************/
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// OpenArray
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/******************************************************************************/
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void handler(int n) { |
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#ifdef __linux__
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raise(SIGALRM); |
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#else
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raise(SIGABRT); |
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#endif
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} |
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JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_openArrayNat |
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(JNIEnv *env, jobject obj, jbyteArray pszF, jint acc){
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jbyte *pszFilename = NULL;
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jbyte *aux = NULL;
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GDALDatasetH *dataset; |
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jlong jresult = 0 ;
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FILE *fich; |
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jsize longitud = 0, i;
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/*signal(SIGSEGV, handler);*/
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longitud = (*env)->GetArrayLength(env, pszF); |
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pszFilename = (*env)->GetByteArrayElements(env, pszF, 0);
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#ifdef __linux__
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pszFilename = (jbyte *)realloc(pszFilename, longitud + 1);
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#else
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aux = (jbyte *)malloc(sizeof(jbyte) * (longitud + 1)); |
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memcpy(aux, pszFilename, longitud); |
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free(pszFilename); |
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pszFilename = aux; |
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#endif
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pszFilename[longitud] = '\0';
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fich = fopen( pszFilename, "r" );
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if( fich )
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fclose(fich); |
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else
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return -1; |
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GDALAllRegister(); |
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dataset = GDALOpen((char *)pszFilename,(int)acc); |
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*(GDALDatasetH **)&jresult = dataset; |
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(*env)->ReleaseByteArrayElements(env, pszF, pszFilename, 0);
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if(dataset == NULL) |
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return -1; |
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else
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return jresult;
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} |
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/******************************************************************************/
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// GetRasterXSize
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterXSizeNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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int res=-1; |
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt!=NULL) |
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res = GDALGetRasterXSize(dt); |
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return res;
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} |
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/******************************************************************************/
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// GetRasterYSize
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterYSizeNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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int res=-1; |
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt!=NULL) |
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res = GDALGetRasterYSize(dt); |
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return res;
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} |
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/******************************************************************************/
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// GetRasterCount
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterCountNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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int res=-1; |
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt!=NULL) |
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res = GDALGetRasterCount(dt); |
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return res;
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} |
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/******************************************************************************/
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// GetMetadata
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/******************************************************************************/
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JNIEXPORT jobjectArray JNICALL Java_es_gva_cit_jgdal_Gdal_getMetadataNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jstring pszDomain){
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char **papszMetadata = NULL; |
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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int i = 0; |
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int nmetadatos = 0; |
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jclass class_string; |
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jobjectArray vector_str; |
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt != NULL){ |
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//Obtenemos los metadatos sobre papszMetadata
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papszMetadata = GDALGetMetadata( dt, NULL );
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//Si hay metadatos devolvemos creamos el vector de String de java y los devolvemos
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nmetadatos = CSLCount(papszMetadata); |
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if( nmetadatos > 0 ){ |
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class_string = (*env)->FindClass (env, "java/lang/String");
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vector_str = (*env)->NewObjectArray(env, nmetadatos, class_string, (*env)->NewStringUTF(env,""));
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//Cargamos los metadatos
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for( i = 0; papszMetadata[i] != NULL; i++ ) |
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(*env)->SetObjectArrayElement(env,vector_str,i,(*env)->NewStringUTF(env,papszMetadata[i])); |
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return vector_str;
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} |
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} |
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return NULL; |
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} |
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/******************************************************************************/
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// GetRasterBand
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getRasterBandNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jint hBand){
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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GDALRasterBandH *rasterband=NULL;
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jlong jresult = 0;
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt!=NULL){ |
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rasterband = GDALGetRasterBand(dt,(int)hBand);
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*(GDALDatasetH **)&jresult = rasterband; |
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}else return -1; |
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return jresult;
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} |
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/******************************************************************************/
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// GetGeoTransform
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getGeoTransformNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jobject gt){
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jclass class_geotransform; |
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jfieldID id_campo; |
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double adfgt[6]; |
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jdoubleArray doublearray; |
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt!=NULL){ |
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//Obtenemos el objeto java que contendr� el vector geotransform
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class_geotransform = (*env)->GetObjectClass(env, gt); |
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id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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//Cargamos el buffer llamando a GDALRasterIO
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if(GDALGetGeoTransform(dt,adfgt)==CE_None){
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doublearray = (*env)->NewDoubleArray(env,6);
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if(doublearray!=NULL){ |
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(*env)->SetDoubleArrayRegion(env, doublearray, 0, 6,(jdouble *)adfgt); |
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(*env)->SetObjectField(env, gt, id_campo, doublearray); |
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} |
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}else return -1; |
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}else return -1; |
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return 0; |
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} |
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/******************************************************************************/
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// setGeoTransformNat
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setGeoTransformNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jobject gt){
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jclass class_geotransform; |
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jfieldID id_campo; |
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double adfgt[6]; |
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jdoubleArray doublearray; |
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt!=NULL){ |
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//Obtenemos los valores pasados en el vector gt
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class_geotransform = (*env)->GetObjectClass(env, gt); |
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id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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doublearray =(jdoubleArray)(*env)->GetObjectField(env, gt, id_campo); |
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(*env)->GetDoubleArrayRegion(env,doublearray,0,6,(jdouble *)adfgt); |
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GDALSetGeoTransform( dt, adfgt ); |
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return 0; |
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} |
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return -1; |
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} |
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/******************************************************************************/
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// GetProjectionRef
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/******************************************************************************/
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JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getProjectionRefNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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char *pszProjection=NULL; |
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jstring pszP=NULL;
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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//Llamamos a la funci�n y cargamos el jstring con el resultado
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if(dt!=NULL){ |
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pszProjection = (char *) GDALGetProjectionRef(dt);
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if(pszProjection!=NULL) |
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pszP = (*env)->NewStringUTF(env, pszProjection); |
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} |
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return pszP;
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} |
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/************************************************************************/
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/* getDriverShortNameNat() */
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/************************************************************************/
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JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverShortNameNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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char *pszShortName=NULL; |
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jstring pszSN=NULL;
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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GDALDriverH hDriver; |
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dt = *(GDALDatasetH **)&cPtr; |
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//Llamamos a la funci�n y cargamos el jstring con el resultado
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if(dt!=NULL){ |
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hDriver = GDALGetDatasetDriver( dt ); |
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pszShortName = (char *) GDALGetDriverShortName(hDriver);
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if(pszShortName!=NULL) |
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pszSN = (*env)->NewStringUTF(env, pszShortName); |
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} |
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return pszSN;
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} |
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/******************************************************************************/
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// setProjection
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setProjectionNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jstring proj){
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt!=NULL){ |
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const char *projeccion = (*env)->GetStringUTFChars(env, proj, 0); |
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GDALSetProjection( dt, projeccion ); |
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(*env)->ReleaseStringUTFChars(env, proj, projeccion); |
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return 1; |
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} |
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return -1; |
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} |
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/******************************************************************************/
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// Close
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/******************************************************************************/
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JNIEXPORT void JNICALL Java_es_gva_cit_jgdal_Gdal_closeNat
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(JNIEnv *env, jobject obj, jlong cPtr){
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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GDALClose(dt); |
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} |
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/************************************************************************/
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/* GDALGetDriverByName() */
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/************************************************************************/
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JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverByNameNat |
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(JNIEnv *env, jclass clase, jstring name){
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const char *namedrv; |
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GDALDriverH *drv; |
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jlong jresult=-1;
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if(GDALGetDriverCount()<=0)GDALAllRegister(); |
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namedrv = (*env)->GetStringUTFChars(env, name, 0);
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drv=GDALGetDriverByName(namedrv); |
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*(GDALDriverH **)&jresult = drv; |
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(*env)->ReleaseStringUTFChars(env, name, namedrv); |
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return (long)jresult; |
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} |
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/************************************************************************/
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/* getGCPCountNat() */
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/************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getGCPCountNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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int res=-1; |
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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dt = *(GDALDatasetH **)&cPtr; |
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if(dt!=NULL) |
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res = GDALGetGCPCount(dt); |
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return res;
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} |
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/******************************************************************************/
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// GetColorInterpretationName
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/******************************************************************************/
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JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getColorInterpretationNameNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jint ci){
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GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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char *name = NULL; |
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jstring typeName = NULL;
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dt = *(GDALDatasetH **)&cPtr; |
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name = GDALGetColorInterpretationName(ci); |
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typeName = (*env)->NewStringUTF(env, name); |
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return typeName;
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} |
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