svn-gvsig-desktop / trunk / libraries / libjni-ecw / src / main / native / jecw / ncsecwcompressclient_wrapper.cpp @ 20206
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/**********************************************************************
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* $Id: ncsecwcompressclient_wrapper.c 4274 2006-03-06 07:32:00Z nacho $
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*
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* Name: bsb_interfaz.c
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* Project: JGDAL. Interface java to gdal (Frank Warmerdam).
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* Purpose: Interface functions to manage bsb files. This include gdal
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* code but it doesn't use the gdal API.
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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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#include <jni.h> |
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#include <string.h> |
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#include <malloc.h> |
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#include "NCSECWCompressClient.h" |
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typedef struct ReadInfo { |
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//NCSFileView *pNCSFileView;
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UINT8 **ppInputBandBufferArray; |
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UINT32 nPercentComplete; |
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jclass clase; |
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jobject *jclient; |
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jobject *jreadcall; |
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JNIEnv *env; |
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char pErrorBuffer[1024]; |
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} ReadInfo; |
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static BOOLEAN callBackOn = TRUE;
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/******************************************************************************/
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// ReadCallback
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/******************************************************************************/
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static BOOLEAN ReadCallback(NCSEcwCompressClient *pClient,
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UINT32 nNextLine, |
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IEEE4 **ppOutputBandBufferArray) |
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{
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ReadInfo *pReadInfo = (ReadInfo *)pClient->pClientData; |
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UINT32 nBand; |
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jfieldID fid; |
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jbyteArray jarray; |
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JNIEnv *env=pReadInfo->env; |
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int longitud;
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jclass clase_client; |
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jclass clase_readcall; |
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jmethodID metodo; |
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if(callBackOn){
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clase_client = (env)->GetObjectClass(*(pReadInfo->jclient)); |
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clase_readcall = (env)->GetObjectClass(*(pReadInfo->jreadcall)); |
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//Ponemos el valor de la banda un n?mero de l?nea en el objeto cliente
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fid = (env)->GetFieldID(clase_readcall, "nNextLine", "I"); |
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(env)->SetIntField(*(pReadInfo->jreadcall), fid, nNextLine); |
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|
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//Ejecutamos la funci?n de java que carga el buffer
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metodo = (env)->GetMethodID(clase_readcall, "loadBuffer", "()V"); |
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(env)->CallVoidMethod(*(pReadInfo->jreadcall), metodo); |
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//Obtenemos el array de bytes desde java
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fid = (env)->GetFieldID(clase_client, "buffer", "[B"); |
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jarray =(jbyteArray)(env)->GetObjectField(*(pReadInfo->jclient), fid); |
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longitud = (env)->GetArrayLength(jarray); |
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(env)->GetByteArrayRegion(jarray,0,longitud,(jbyte *)pReadInfo->ppInputBandBufferArray[0]); |
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for(nBand = 0; nBand < pClient->nInputBands; nBand++) { |
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UINT32 nCell; |
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UINT8 *pInputValue = pReadInfo->ppInputBandBufferArray[nBand]; |
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IEEE4 *pOutputValue = ppOutputBandBufferArray[nBand]; |
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// Compression needs input to be IEEE4
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for (nCell = 0; nCell < pClient->nInOutSizeX; nCell++) { |
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*pOutputValue++ = (IEEE4)*pInputValue++; |
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} |
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} |
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return(TRUE);
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}else
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return(FALSE);
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} |
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/******************************************************************************/
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// StatusCallback
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/******************************************************************************/
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//Asigna el tanto por cien de imagen que lleva comprimido en una variable de java
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//Ejecuta la funci?n updatePercent de java despues de actualizar la varible.
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static void StatusCallback(NCSEcwCompressClient *pClient, |
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UINT32 nCurrentLine) |
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{
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ReadInfo *pReadInfo = (ReadInfo *)pClient->pClientData; |
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UINT32 nPercentComplete = (nCurrentLine * 100) / (pClient->nInOutSizeY - 1); |
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jclass clase_client; |
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jclass clase_readcall; |
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JNIEnv *env=pReadInfo->env; |
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jfieldID fid; |
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jmethodID metodo; |
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clase_client = (env)->GetObjectClass(*(pReadInfo->jclient)); |
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clase_readcall = (env)->GetObjectClass(*(pReadInfo->jreadcall)); |
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if (nPercentComplete != pReadInfo->nPercentComplete) {
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fid = (env)->GetFieldID(clase_client, "porcentaje", "I"); |
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(env)->SetIntField(*(pReadInfo->jclient), fid, nPercentComplete); |
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metodo = (env)->GetMethodID(clase_readcall, "updatePercent", "()V"); |
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(env)->CallVoidMethod(*(pReadInfo->jreadcall), metodo); |
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pReadInfo->nPercentComplete = nPercentComplete; |
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} |
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} |
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/******************************************************************************/
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// NCSEcwCompressClient
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/******************************************************************************/
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JNIEXPORT jlong JNICALL Java_es_gva_cit_jecwcompress_NCSEcwCompressClient_NCSEcwCompressClientNat |
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(JNIEnv *env, jobject obj){
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NCSEcwCompressClient *pClient; |
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jlong jresult = 0 ;
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if(pClient = NCSEcwCompressAllocClient()){
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*(NCSEcwCompressClient **)&jresult = pClient; |
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return jresult;
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}else
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return -1; |
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} |
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/******************************************************************************/
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// NCSEcwCompressOpen
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jecwcompress_NCSEcwCompressClient_NCSEcwCompressOpenNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jboolean bCalculateSizesOnly){
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NCSEcwCompressClient *pClient = (NCSEcwCompressClient *) 0 ;
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NCSError eError; |
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jfieldID fid; |
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jobject obj_str; |
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const char *str; |
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ReadInfo *compress_readInfo; |
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jmethodID metodo; |
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UINT8 *pReadBuffer,nBand; |
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pClient = *(NCSEcwCompressClient **)&cPtr; |
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if(pClient!=NULL){ |
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//Asignamos los valores de los campos de NCSEcwCompress
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jclass clase = (env)->GetObjectClass(obj); |
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fid = (env)->GetFieldID(clase, "inputFilename", "Ljava/lang/String;"); |
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obj_str = (env)->GetObjectField(obj, fid); |
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if(obj_str!=NULL){ |
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str = (env)->GetStringUTFChars((jstring)obj_str,0);
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strcpy(pClient->szInputFilename,str); |
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str=NULL;
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(env)->ReleaseStringUTFChars((jstring)obj_str, str); |
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//printf("inputFilename=%s\n",pClient->szInputFilename);
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} |
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fid = (env)->GetFieldID(clase, "outputFilename", "Ljava/lang/String;"); |
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obj_str = (env)->GetObjectField(obj, fid); |
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if(obj_str!=NULL){ |
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str = (env)->GetStringUTFChars((jstring)obj_str,0);
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strcpy(pClient->szOutputFilename,str); |
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str=NULL;
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(env)->ReleaseStringUTFChars((jstring)obj_str, str); |
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//printf("outputFilename=%s\n",pClient->szOutputFilename);
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} |
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fid = (env)->GetFieldID(clase, "targetCompression", "D"); |
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pClient->fTargetCompression = (IEEE4)(env)->GetDoubleField(obj, fid); |
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//printf("targetCompression=%f\n",pClient->fTargetCompression);
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fid = (env)->GetFieldID(clase, "eCompressFormat", "I"); |
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pClient->eCompressFormat = (CompressFormat)(env)->GetIntField(obj, fid); |
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//printf("eCompressFormat=%d\n",pClient->eCompressFormat);
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fid = (env)->GetFieldID(clase, "eCompressHint", "I"); |
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pClient->eCompressHint = (CompressHint)(env)->GetIntField(obj, fid); |
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//printf("eCompressHint=%d\n",pClient->eCompressHint);
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fid = (env)->GetFieldID(clase, "nBlockSizeX", "I"); |
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pClient->nBlockSizeX = (env)->GetIntField(obj, fid); |
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//printf("nBlockSizeX=%d\n",pClient->nBlockSizeX);
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fid = (env)->GetFieldID(clase, "nBlockSizeY", "I"); |
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pClient->nBlockSizeY = (env)->GetIntField(obj, fid); |
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//printf("nBlockSizeY=%d\n",pClient->nBlockSizeY);
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fid = (env)->GetFieldID(clase, "nInOutSizeX", "I"); |
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pClient->nInOutSizeX = (env)->GetIntField(obj, fid); |
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//printf("nInOutSizeX=%d\n",pClient->nInOutSizeX);
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fid = (env)->GetFieldID(clase, "nInOutSizeY", "I"); |
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pClient->nInOutSizeY = (env)->GetIntField(obj, fid); |
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//printf("nInOutSizeY=%d\n",pClient->nInOutSizeY);
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fid = (env)->GetFieldID(clase, "nInputBands", "I"); |
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pClient->nInputBands = (env)->GetIntField(obj, fid); |
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//printf("nInputBands=%d\n",pClient->nInputBands);
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fid = (env)->GetFieldID(clase, "nOutputBands", "I"); |
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pClient->nOutputBands = (env)->GetIntField(obj, fid); |
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//printf("nOutputBands=%d\n",pClient->nOutputBands);
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fid = (env)->GetFieldID(clase, "nInputSize", "J"); |
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pClient->nInputSize = (env)->GetLongField(obj, fid); |
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//printf("nInputSize=%ld\n",pClient->nInputSize);
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fid = (env)->GetFieldID(clase, "fCellIncrementX", "D"); |
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pClient->fCellIncrementX = (env)->GetDoubleField(obj, fid); |
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//printf("fCellIncrementX=%f\n",pClient->fCellIncrementX);
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fid = (env)->GetFieldID(clase, "fCellIncrementY", "D"); |
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pClient->fCellIncrementY = (env)->GetDoubleField(obj, fid); |
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//printf("fCellIncrementY=%f\n",pClient->fCellIncrementY);
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fid = (env)->GetFieldID(clase, "fOriginX", "D"); |
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pClient->fOriginX = (env)->GetDoubleField(obj, fid); |
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//printf("fOriginX=%f\n",pClient->fOriginX);
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fid = (env)->GetFieldID(clase, "fOriginY", "D"); |
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pClient->fOriginY = (env)->GetDoubleField(obj, fid); |
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//printf("fOriginY=%f\n",pClient->fOriginY);
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fid = (env)->GetFieldID(clase, "eCellSizeUnits", "I"); |
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pClient->fActualCompression = (IEEE4)(env)->GetIntField(obj, fid); |
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//printf("eCellSizeUnits=%d\n",pClient->fActualCompression);
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fid = (env)->GetFieldID(clase, "szDatum", "Ljava/lang/String;"); |
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obj_str = (env)->GetObjectField(obj, fid); |
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if(obj_str!=NULL){ |
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str = (env)->GetStringUTFChars((jstring)obj_str,0);
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strcpy(pClient->szDatum,str); |
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str=NULL;
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(env)->ReleaseStringUTFChars((jstring)obj_str, str); |
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//printf("szDatum=%s\n",pClient->szDatum);
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} |
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fid = (env)->GetFieldID(clase, "szProjection", "Ljava/lang/String;"); |
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obj_str = (env)->GetObjectField(obj, fid); |
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if(obj_str!=NULL){ |
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str = (env)->GetStringUTFChars((jstring)obj_str,0);
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strcpy(pClient->szProjection,str); |
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str=NULL;
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(env)->ReleaseStringUTFChars((jstring)obj_str, str); |
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//printf("szProjection=%s\n",pClient->szProjection);
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} |
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fid = (env)->GetFieldID(clase, "fActualCompression", "D"); |
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pClient->fActualCompression = (IEEE4)(env)->GetDoubleField(obj, fid); |
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//printf("fActualCompression=%f\n",pClient->fActualCompression);
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fid = (env)->GetFieldID(clase, "fCompressionSeconds", "D"); |
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pClient->fCompressionSeconds = (env)->GetDoubleField(obj, fid); |
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//printf("fCompressionSeconds=%f\n",pClient->fCompressionSeconds);
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fid = (env)->GetFieldID(clase, "fCompressionMBSec", "D"); |
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pClient->fCompressionMBSec = (env)->GetDoubleField(obj, fid); |
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//printf("fCompressionMBSec=%f\n",pClient->fCompressionMBSec);
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fid = (env)->GetFieldID(clase, "nOutputSize", "J"); |
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pClient->nOutputSize = (env)->GetLongField(obj, fid); |
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//printf("nOutputSize=%ld\n",pClient->nOutputSize);
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pClient->pReadCallback = ReadCallback; |
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pClient->pStatusCallback = StatusCallback; |
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//Inicializar el buffer que tendr? una l?nea de entrada x el n?m de bandas
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metodo = (env)->GetMethodID(clase, "initialize", "()V"); |
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(env)->CallIntMethod(obj,metodo); |
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compress_readInfo = (ReadInfo *)malloc(sizeof(ReadInfo));
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pReadBuffer = (UINT8 *)malloc(sizeof(UINT8) *
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pClient->nInOutSizeX * |
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pClient->nInputBands); |
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compress_readInfo->ppInputBandBufferArray = (UINT8 **)malloc(sizeof(UINT8 *) *
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pClient->nInputBands); |
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for (nBand = 0; nBand < pClient->nInputBands; nBand++) { |
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compress_readInfo->ppInputBandBufferArray[nBand] = pReadBuffer + |
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(nBand * pClient->nInOutSizeX * sizeof(UINT8));
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} |
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if (compress_readInfo->ppInputBandBufferArray == NULL) return 46; |
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compress_readInfo->nPercentComplete = 0;
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pClient->pClientData = (void *)compress_readInfo;
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eError = NCSEcwCompressOpen(pClient, ((bCalculateSizesOnly==0)? FALSE : TRUE));
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return eError;
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} |
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return -1; |
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} |
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/******************************************************************************/
|
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// NCSEcwCompress
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jecwcompress_NCSEcwCompressClient_NCSEcwCompressNat |
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(JNIEnv *env, jobject obj, jlong cPtr, jobject obj_read){
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NCSEcwCompressClient *pClient = (NCSEcwCompressClient *) 0 ;
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ReadInfo *compress_readInfo = (ReadInfo *) 0 ;
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NCSError eError; |
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pClient = *(NCSEcwCompressClient **)&cPtr; |
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compress_readInfo = (ReadInfo *)pClient->pClientData; |
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compress_readInfo->jclient=&obj; |
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compress_readInfo->jreadcall=&obj_read; |
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compress_readInfo->env=env; |
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eError = NCSEcwCompress(pClient); |
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return eError;
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} |
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/******************************************************************************/
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// NCSEcwCompressClose
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/******************************************************************************/
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JNIEXPORT jint JNICALL Java_es_gva_cit_jecwcompress_NCSEcwCompressClient_NCSEcwCompressCloseNat |
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(JNIEnv *env, jobject obj, jlong cPtr){
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NCSEcwCompressClient *pClient = (NCSEcwCompressClient *) 0 ;
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NCSError eError; |
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pClient = *(NCSEcwCompressClient **)&cPtr; |
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eError = NCSEcwCompressClose(pClient); |
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return eError;
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} |
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/******************************************************************************/
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// NCSEcwCompressCancel
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/******************************************************************************/
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JNIEXPORT void JNICALL Java_es_gva_cit_jecwcompress_NCSEcwCompressClient_NCSEcwCompressCancelNat
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(JNIEnv *env, jobject obj, jlong cPtr){
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callBackOn = FALSE; |
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} |
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/******************************************************************************/
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// finalize
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/******************************************************************************/
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JNIEXPORT void JNICALL Java_es_gva_cit_jecwcompress_NCSEcwCompressClient_finalizeNat
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(JNIEnv *env, jobject obj, jlong cPtr){
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ReadInfo *compress_readInfo = (ReadInfo *) 0 ;
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NCSEcwCompressClient *pClient = (NCSEcwCompressClient *) 0 ;
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int nBand;
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pClient = *(NCSEcwCompressClient **)&cPtr; |
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//Liberamos la memoria
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compress_readInfo = (ReadInfo *)pClient->pClientData; |
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for (nBand = 0; nBand < pClient->nInputBands; nBand++) { |
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free(compress_readInfo->ppInputBandBufferArray[nBand]); |
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} |
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free(compress_readInfo->ppInputBandBufferArray); |
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free(pClient->pClientData); |
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pClient->pClientData = NULL;
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NCSEcwCompressFreeClient(pClient); |
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|
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} |
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|