svn-gvsig-desktop / trunk / libraries / libjni-gdal / src / rasterband_interfaz.c @ 830
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/**********************************************************************
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* $Id: rasterband_interfaz.c 830 2005-01-04 15:16:53Z igbrotru $
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*
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* Name: rasterband_interfaz.c
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* Project: JGDAL. Interface java to gdal (Frank Warmerdam).
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* Purpose: Raster band'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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/*Copyright (C) 2004 Nacho Brodin <brodin_ign@gva.es>
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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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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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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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#include <jni.h> |
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#include "es_gva_cit_jgdal_GdalRasterBand.h" |
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#include "es_gva_cit_jgdal_JNIBase.h" |
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#include "gdal.h" |
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#include "cpl_string.h" |
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/******************************************************************************/
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// GetRasterBandXSize
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterBandXSizeNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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int res = -1; |
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL) |
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res = GDALGetRasterBandXSize(rb); |
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return res;
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} |
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/******************************************************************************/
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// GetRasterBandYSize
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterBandYSizeNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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int res = -1; |
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL) |
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res = GDALGetRasterBandYSize(rb); |
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return res;
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} |
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/****************************************************************************/
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// GetOverviewCount
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getOverviewCountNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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int res = -1; |
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL) |
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res = GDALGetOverviewCount(rb); |
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return res;
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} |
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/******************************************************************************/
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// GetOverview
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/******************************************************************************/
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JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_GdalRasterBand_getOverviewNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jint noverview){
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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GDALRasterBandH *res = NULL;
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jlong jresult = 0;
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL) |
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res = GDALGetOverview(rb,(int)noverview);
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*(GDALDatasetH **)&jresult = res; |
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if(res==NULL)return -1; |
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else return jresult; |
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} |
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/******************************************************************************/
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// ReadRaster
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/******************************************************************************/
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JNIEXPORT jobject JNICALL Java_es_gva_cit_jgdal_GdalRasterBand_readRasterNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jint nXOff, jint nYOff, jint nXSize, jint nYSize, jint BufXSize, jint BufYSize, jint eBufType){
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jclass class_gdalbuffer; |
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jmethodID metodo; |
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jobject obj_gdalbuffer = NULL;
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jfieldID id_campo; |
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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jbyteArray bytearray; |
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jshortArray shortarray; |
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jintArray intarray; |
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jfloatArray floatarray; |
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jdoubleArray doublearray; |
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unsigned char *pabyScanLineBuf; |
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int *buffInt=NULL; |
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unsigned int *buffUInt=NULL; |
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long *buffLong=NULL; |
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unsigned long *buffULong=NULL; |
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float *buffFloat=NULL; |
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double *buffDouble=NULL; |
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL){ |
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//Creamos el objeto java que contendr? la l?nea
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class_gdalbuffer = (*env)->FindClass (env, "es/gva/cit/jgdal/GdalBuffer");
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if(eBufType==1){ |
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metodo = (*env)->GetMethodID(env, class_gdalbuffer, "reservaByte", "(I)V"); |
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obj_gdalbuffer = (*env)->NewObject (env,class_gdalbuffer,metodo,(int)(nXSize*nYSize));
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id_campo = (*env)->GetFieldID(env, class_gdalbuffer, "buffByte", "[B"); |
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//Reservamos memoria para el buffer y lo cargamos llamando a GDALRasterIO
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pabyScanLineBuf = (unsigned char*) CPLMalloc(sizeof(unsigned char) *(int)nXSize * (int)nYSize); |
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GDALRasterIO(rb, GF_Read, (int)nXOff, (int)nYOff, (int)nXSize, (int)nYSize, pabyScanLineBuf, (int)BufXSize, (int)BufYSize, GDT_Byte, 0, 0); |
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bytearray = (*env)->NewByteArray(env,(int)(nXSize*nYSize));
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if(bytearray!=NULL){ |
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(*env)->SetByteArrayRegion(env, bytearray, 0, (int)(nXSize*nYSize),(jbyte *)pabyScanLineBuf); |
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(*env)->SetObjectField(env, obj_gdalbuffer, id_campo, bytearray); |
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} |
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if(pabyScanLineBuf != NULL)CPLFree(pabyScanLineBuf); |
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}else
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//------------------------------------------------------------------
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if(eBufType==2 || eBufType==3 || eBufType==8){ |
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metodo = (*env)->GetMethodID(env, class_gdalbuffer, "reservaShort", "(I)V"); |
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obj_gdalbuffer = (*env)->NewObject (env,class_gdalbuffer,metodo,(int)(nXSize*nYSize));
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id_campo = (*env)->GetFieldID(env, class_gdalbuffer, "buffShort", "[S"); |
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//Reservamos memoria para el buffer y lo cargamos llamando a GDALRasterIO
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if(eBufType==2){ |
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buffUInt = (unsigned int*) CPLMalloc(sizeof(unsigned int) *(int)nXSize * (int)nYSize); |
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GDALRasterIO(rb, GF_Read, (int)nXOff, (int)nYOff, (int)nXSize, (int)nYSize, buffUInt, (int)BufXSize, (int)BufYSize, GDT_UInt16, 0, 0); |
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shortarray = (*env)->NewShortArray(env,(int)(nXSize*nYSize));
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if(shortarray!=NULL){ |
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(*env)->SetShortArrayRegion(env, shortarray, 0, (int)(nXSize*nYSize),(jshort *)buffUInt); |
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(*env)->SetObjectField(env, obj_gdalbuffer, id_campo, shortarray); |
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} |
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if(buffUInt != NULL)CPLFree(buffUInt); |
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return obj_gdalbuffer;
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} |
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buffInt = (int*) CPLMalloc(sizeof(int) *(int)nXSize * (int)nYSize); |
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GDALRasterIO(rb, GF_Read, (int)nXOff, (int)nYOff, (int)nXSize, (int)nYSize, buffInt, (int)BufXSize, (int)BufYSize, (int)eBufType, 0, 0); |
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shortarray = (*env)->NewShortArray(env,(int)(nXSize*nYSize));
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if(shortarray!=NULL){ |
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(*env)->SetShortArrayRegion(env, shortarray, 0, (int)(nXSize*nYSize),(jshort *)buffInt); |
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(*env)->SetObjectField(env, obj_gdalbuffer, id_campo, shortarray); |
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} |
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if(buffInt != NULL)CPLFree(buffInt); |
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}else
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//------------------------------------------------------------------
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if(eBufType==4 || eBufType==5 || eBufType==9){ |
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metodo = (*env)->GetMethodID(env, class_gdalbuffer, "reservaInt", "(I)V"); |
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obj_gdalbuffer = (*env)->NewObject (env,class_gdalbuffer,metodo,(int)(nXSize*nYSize));
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id_campo = (*env)->GetFieldID(env, class_gdalbuffer, "buffInt", "[I"); |
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//Reservamos memoria para el buffer y lo cargamos llamando a GDALRasterIO
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if(eBufType==4){ |
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buffULong = (unsigned long*) CPLMalloc(sizeof(unsigned long) *(int)nXSize * (int)nYSize); |
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GDALRasterIO(rb, GF_Read, (int)nXOff, (int)nYOff, (int)nXSize, (int)nYSize, buffULong, (int)BufXSize, (int)BufYSize, GDT_UInt32, 0, 0); |
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intarray = (*env)->NewIntArray(env,(int)(nXSize*nYSize));
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if(intarray!=NULL){ |
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(*env)->SetIntArrayRegion(env, intarray, 0, (int)(nXSize*nYSize),(jint *)buffULong); |
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(*env)->SetObjectField(env, obj_gdalbuffer, id_campo, intarray); |
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} |
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if(buffULong != NULL)CPLFree(buffULong); |
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return obj_gdalbuffer;
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} |
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buffLong = (long*) CPLMalloc(sizeof(long) *(int)nXSize * (int)nYSize); |
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GDALRasterIO(rb, GF_Read, (int)nXOff, (int)nYOff, (int)nXSize, (int)nYSize, buffLong, (int)BufXSize, (int)BufYSize, (int)eBufType, 0, 0); |
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intarray = (*env)->NewIntArray(env,(int)(nXSize*nYSize));
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if(intarray!=NULL){ |
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(*env)->SetIntArrayRegion(env, intarray, 0, (int)(nXSize*nYSize),(jint *)buffLong); |
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(*env)->SetObjectField(env, obj_gdalbuffer, id_campo, intarray); |
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} |
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if(buffLong != NULL)CPLFree(buffLong); |
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}else
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//------------------------------------------------------------------
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if(eBufType==6 || eBufType==10){ |
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metodo = (*env)->GetMethodID(env, class_gdalbuffer, "reservaFloat", "(I)V"); |
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obj_gdalbuffer = (*env)->NewObject (env,class_gdalbuffer,metodo,(int)(nXSize*nYSize));
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id_campo = (*env)->GetFieldID(env, class_gdalbuffer, "buffFloat", "[F"); |
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//Reservamos memoria para el buffer y lo cargamos llamando a GDALRasterIO
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buffFloat = (float*) CPLMalloc(sizeof(float) *(int)nXSize * (int)nYSize); |
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GDALRasterIO(rb, GF_Read, (int)nXOff, (int)nYOff, (int)nXSize, (int)nYSize, buffFloat, (int)BufXSize, (int)BufYSize, (int)eBufType, 0, 0); |
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floatarray = (*env)->NewFloatArray(env,(int)(nXSize*nYSize));
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if(floatarray!=NULL){ |
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(*env)->SetFloatArrayRegion(env, floatarray, 0, (int)(nXSize*nYSize),(jfloat *)buffFloat); |
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(*env)->SetObjectField(env, obj_gdalbuffer, id_campo, floatarray); |
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} |
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if(buffFloat != NULL)CPLFree(buffFloat); |
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}else
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//------------------------------------------------------------------
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if(eBufType==7 || eBufType==11){ |
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metodo = (*env)->GetMethodID(env, class_gdalbuffer, "reservaDouble", "(I)V"); |
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obj_gdalbuffer = (*env)->NewObject (env,class_gdalbuffer,metodo,(int)(nXSize*nYSize));
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id_campo = (*env)->GetFieldID(env, class_gdalbuffer, "buffDouble", "[D"); |
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//Reservamos memoria para el buffer y lo cargamos llamando a GDALRasterIO
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buffDouble = (double*) CPLMalloc(sizeof(double) *(int)nXSize * (int)nYSize); |
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GDALRasterIO(rb, GF_Read, (int)nXOff, (int)nYOff, (int)nXSize, (int)nYSize, buffDouble, (int)BufXSize, (int)BufYSize, (int)eBufType, 0, 0); |
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doublearray = (*env)->NewDoubleArray(env,(int)(nXSize*nYSize));
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if(doublearray!=NULL){ |
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(*env)->SetDoubleArrayRegion(env, doublearray, 0, (int)(nXSize*nYSize),(jdouble *)buffDouble); |
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(*env)->SetObjectField(env, obj_gdalbuffer, id_campo, doublearray); |
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} |
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if(buffDouble != NULL)CPLFree(buffDouble); |
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} |
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}//if(rb!=NULL)
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return obj_gdalbuffer;
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} |
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/******************************************************************************/
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// GetBlockXSize
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getBlockXSizeNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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int pnXSize=-1,pnYSize=-1; |
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL) |
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GDALGetBlockSize( rb,&pnXSize, &pnYSize ); |
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return pnXSize;
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} |
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/******************************************************************************/
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// WriteRaster
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/******************************************************************************/
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JNIEXPORT void JNICALL Java_es_gva_cit_jgdal_GdalRasterBand_writeRasterNat
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(JNIEnv *env, jobject obj, jlong cPtr, jint nXOff, jint nYOff, jint nXSize, jint nYSize, jobject buffer, jint eBufType){
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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jclass clase; |
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jfieldID id_campo; |
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jmethodID metodo; |
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jbyteArray bytearray; |
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int tam;
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unsigned char *abyRaster; |
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clase = (*env)->GetObjectClass(env, buffer); |
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id_campo = (*env)->GetFieldID(env, clase, "pabyScanLineBuf", "[B"); |
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metodo = (*env)->GetMethodID(env, clase, "getSize","()I"); |
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tam = (*env)->CallIntMethod(env,buffer,metodo); |
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bytearray =(jbyteArray)(*env)->GetObjectField(env, buffer, id_campo); |
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abyRaster=(unsigned char *)malloc(sizeof(unsigned char)*tam); |
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if(bytearray!=NULL){ |
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(*env)->GetByteArrayRegion(env,bytearray,0,tam,(jbyte *)abyRaster);
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} |
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL) |
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GDALRasterIO( rb, GF_Write, nXOff, nYOff, nXSize, nYSize, |
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abyRaster, nXSize, nYSize, GDT_Byte, 0, 0 ); |
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free(abyRaster); |
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} |
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/******************************************************************************/
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// GetBlockYSize
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getBlockYSizeNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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int pnXSize=-1,pnYSize=-1; |
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL) |
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GDALGetBlockSize( rb,&pnXSize, &pnYSize ); |
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return pnYSize;
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} |
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/******************************************************************************/
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// GetRasterDataType
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterDataTypeNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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int datatype = -1; |
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GDALRasterBandH *rb = (GDALRasterBandH *) 0 ;
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rb = *(GDALRasterBandH **)&cPtr; |
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if(rb!=NULL) |
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datatype = GDALGetRasterDataType( rb ); |
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return datatype;
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} |
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