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/**********************************************************
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** Copyright 1998 Earth Resource Mapping Ltd.
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** This document contains proprietary source code of
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** Earth Resource Mapping Ltd, and can only be used under
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** one of the three licenses as described in the
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** license.txt file supplied with this distribution.
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** See separate license.txt file for license details
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** and conditions.
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**
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** This software is covered by US patent #6,442,298,
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** #6,102,897 and #6,633,688. Rights to use these patents
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** is included in the license agreements.
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**
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** FILE: ecw_jni.c
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** CREATED: 4 Jan 2000
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** AUTHOR: Mark Sheridan
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** PURPOSE: Java wrappers for JNI usage of the ECW library in Java.
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** EDITS:
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**
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** [01] 01Nov00 mjs Rewrote to be JVM 1.1 compliant.
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** [02] 08Mar04 mjs Removed old 1.1 spec stuff, now needs a 1.2 compatible virtual machine.
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** [03] 01Oct05 nbt ECWOpenArray function to support name parameter in char array
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**
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*******************************************************/
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#include "NCSErrors.h"
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#include "NCSECWClient.h"
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#include "NCSMalloc.h"
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#include "NCSUtil.h"
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#include "NCSBuildNumber.h"
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#include "JNCSFile.h"
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#include "NCSFile.h"
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#include "NCSDynamicLib.h"
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//#ifndef JNI_VERSION_1_2
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//#error You must compile this class against a 1.2 virtual machine specification
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//#endif
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static JavaVM *pJavaVirtualMachineInst = NULL;
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struct NCSJNIFieldIDs *pGlobalJNCSFieldIDs = NULL;
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typedef struct NCSJNIFieldIDs {
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jfieldID jIDNativeDataPointer;
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jfieldID jIDWidth;
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jfieldID jIDHeight;
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jfieldID jIDNumberOfBands;
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jfieldID jIDCompressionRate;
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jfieldID jIDCellIncrementX;
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jfieldID jIDCellIncrementY;
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jfieldID jIDCellSizeUnits;
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jfieldID jIDOriginX;
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jfieldID jIDOriginY;
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jfieldID jIDDatum;
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jfieldID jIDProjection;
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jfieldID jIDFilename;
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jfieldID jIDIsOpen;
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jmethodID jIDRefreshUpdateMethod;
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jfieldID jIDFileType;
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jfieldID jIDFileMimeType;
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} NCSJNIFieldIDs;
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// This is the object specific data structure, its cached.
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typedef struct NCSJNIInfo {
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//jobject ECWFile;
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NCSFileView *pFileView;
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} NCSJNIInfo;
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void NCSJNIThrowException(JNIEnv *pEnv, const char *pSignature, const char *pMessage)
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{
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jclass jExceptionClass = NULL;
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if ((pEnv)->ExceptionCheck()) {
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(pEnv)->ExceptionDescribe();
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(pEnv)->ExceptionClear();
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}
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jExceptionClass = (pEnv)->FindClass(pSignature);
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if (jExceptionClass != NULL) {
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(pEnv)->ThrowNew(jExceptionClass, pMessage);
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}
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(pEnv)->DeleteLocalRef(jExceptionClass);
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}
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NCSError NCSCreateJNIInfoStruct(JNIEnv *pEnv, jobject ECWFile, NCSFileView *pNCSFileView, NCSJNIInfo **pReturn)
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{
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NCSJNIInfo *pJNIInfo;
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//char *pErrorString = NULL;
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pJNIInfo = (NCSJNIInfo *)NCSMalloc(sizeof(NCSJNIInfo), TRUE);
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if (pJNIInfo != NULL)
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{
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pJNIInfo->pFileView = pNCSFileView;
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//pJNIInfo->ECWFile = (void *)(*pEnv)->NewGlobalRef(pEnv, ECWFile);
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*pReturn = pJNIInfo;
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}
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else
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{
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return NCS_COULDNT_ALLOC_MEMORY;
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}
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return NCS_SUCCESS;
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}
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/*
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* Class: None
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* Method: JNI_OnLoad
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* Signature: ()Z
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*/
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JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *pJVM, void *reserved)
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{
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JNIEnv *pEnv;
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if ((pJVM)->GetEnv((void **)&pEnv, JNI_VERSION_1_2)) {
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NCSJNIThrowException(pEnv, "java/lang/Exception", "JNCS classes require a version 1.2 or higher virtual machine.");
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return JNI_ERR;
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}
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else {
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pJavaVirtualMachineInst = pJVM;
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#ifndef WIN32
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NCSecwInit();
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#endif
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}
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return JNI_VERSION_1_2;
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}
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/*
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* Class: None
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* Method: JNI_OnUnload
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* Signature: ()Z
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*/
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JNIEXPORT void JNICALL JNI_OnUnload(JavaVM *pJVM, void *reserved)
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{
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#ifndef WIN32
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NCSecwShutdown();
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#endif
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NCSFree((void *)pGlobalJNCSFieldIDs);
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return;
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}
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/*
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* Class: com_ermapper_ecw_JNCSFile
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* Method: NCSJNIInit
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* Signature: ()I
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*/
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JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_NCSJNIInit
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(JNIEnv *pEnv, jclass ECWFileClass)
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{
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NCSJNIFieldIDs *pJNIInfo = NULL;
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char *pErrorString = NULL;
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if (!pGlobalJNCSFieldIDs) {
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pJNIInfo = (NCSJNIFieldIDs *)NCSMalloc(sizeof(NCSJNIFieldIDs), TRUE);
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// Get all the field ids of the ECWFile object
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pJNIInfo->jIDNativeDataPointer = (pEnv)->GetFieldID(ECWFileClass, "nativeDataPointer", "J" );
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pJNIInfo->jIDWidth = (pEnv)->GetFieldID(ECWFileClass, "width", "I" );
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pJNIInfo->jIDHeight = (pEnv)->GetFieldID(ECWFileClass, "height", "I" );
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pJNIInfo->jIDNumberOfBands = (pEnv)->GetFieldID(ECWFileClass, "numBands", "I" );
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pJNIInfo->jIDCompressionRate = (pEnv)->GetFieldID(ECWFileClass, "compressionRate", "D" );
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pJNIInfo->jIDCellIncrementX = (pEnv)->GetFieldID(ECWFileClass, "cellIncrementX", "D" );
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pJNIInfo->jIDCellIncrementY = (pEnv)->GetFieldID(ECWFileClass, "cellIncrementY", "D" );
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pJNIInfo->jIDCellSizeUnits = (pEnv)->GetFieldID(ECWFileClass, "cellSizeUnits", "I" );
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pJNIInfo->jIDOriginX = (pEnv)->GetFieldID(ECWFileClass, "originX", "D" );
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pJNIInfo->jIDOriginY = (pEnv)->GetFieldID(ECWFileClass, "originY", "D" );
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pJNIInfo->jIDDatum = (pEnv)->GetFieldID(ECWFileClass, "datum", "Ljava/lang/String;" );
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pJNIInfo->jIDProjection = (pEnv)->GetFieldID(ECWFileClass, "projection", "Ljava/lang/String;" );
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pJNIInfo->jIDFilename = (pEnv)->GetFieldID(ECWFileClass, "fileName", "Ljava/lang/String;" );
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pJNIInfo->jIDIsOpen = (pEnv)->GetFieldID(ECWFileClass, "bIsOpen", "Z" );
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pJNIInfo->jIDRefreshUpdateMethod= (pEnv)->GetMethodID(ECWFileClass, "refreshUpdate", "(IIDDDD)V");
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//pJNIInfo->jIDFileType = (pEnv)->GetFieldID(ECWFileClass, "fileType", "I" );
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//pJNIInfo->jIDFileMimeType = (pEnv)->GetFieldID(ECWFileClass, "mimeType", "Ljava/lang/String;" );
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// Do some error checking
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if (!pJNIInfo->jIDNativeDataPointer)
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pErrorString = "Could not determine fieldID for 'nativeDataPointer' in ECWFile object.";
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if (!pJNIInfo->jIDWidth)
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pErrorString = "Could not determine fieldID for 'width' in ECWFile object.";
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if (!pJNIInfo->jIDHeight)
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pErrorString = "Could not determine fieldID for 'height' in ECWFile object.";
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if (!pJNIInfo->jIDNumberOfBands)
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pErrorString = "Could not determine fieldID for 'numBands' in ECWFile object.";
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if (!pJNIInfo->jIDCompressionRate)
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pErrorString = "Could not determine fieldID for 'compressionRate' in ECWFile object.";
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if (!pJNIInfo->jIDCellIncrementX)
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pErrorString = "Could not determine fieldID for 'cellIncrementX' in ECWFile object.";
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if (!pJNIInfo->jIDCellIncrementY)
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pErrorString = "Could not determine fieldID for 'cellIncrementY' in ECWFile object.";
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if (!pJNIInfo->jIDCellSizeUnits)
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pErrorString = "Could not determine fieldID for 'cellSizeUnits' in ECWFile object.";
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if (!pJNIInfo->jIDOriginX)
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pErrorString = "Could not determine fieldID for 'originX' in ECWFile object.";
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if (!pJNIInfo->jIDOriginY)
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pErrorString = "Could not determine fieldID for 'originY' in ECWFile object.";
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if (!pJNIInfo->jIDDatum)
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pErrorString = "Could not determine fieldID for 'datum' in ECWFile object.";
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if (!pJNIInfo->jIDProjection)
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pErrorString = "Could not determine fieldID for 'projection' in ECWFile object.";
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if (!pJNIInfo->jIDFilename)
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pErrorString = "Could not determine fieldID for 'fileName' in ECWFile object.";
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if (!pJNIInfo->jIDIsOpen)
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pErrorString = "Could not determine fieldID for 'bIsOpen' in ECWFile object.";
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/*if (!pJNIInfo->jIDFileType)
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pErrorString = "Could not determine fieldID for 'fileType' in ECWFile object.";
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if (!pJNIInfo->jIDFileMimeType)
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pErrorString = "Could not determine fieldID for 'mimeType' in ECWFile object.";*/
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if (pErrorString) {
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#ifdef WIN32
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MessageBox(NULL, OS_STRING(pErrorString), TEXT("JNCSClass Library (JNI)"), MB_OK);
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#else
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fprintf(stderr, "JNCSClass Library (JNI) : %s\n", pErrorString);
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#endif
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NCSFormatErrorText(NCS_JNI_ERROR, pErrorString);
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return NCS_JNI_ERROR;
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}
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else {
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pGlobalJNCSFieldIDs = pJNIInfo;
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return NCS_SUCCESS;
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}
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}
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else {
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return NCS_SUCCESS;
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}
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}
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/*
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* There is so much that can go wrong in this call, that is why there is so much error checking.
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*
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* Class: None
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* Method: NCSJNIRefreshCallback
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* Signature:
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*/
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NCSEcwReadStatus NCSJNIRefreshCallback(NCSFileView *pNCSFileView)
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{
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NCSFileViewSetInfo *pViewInfo;
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NCSJNIInfo *pJNIInfo;
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jint nError;
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JNIEnv *pEnv;
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jclass EcwObjectClass = NULL;
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jobject pECWFile = NULL;
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NCScbmGetViewInfo(pNCSFileView, &pViewInfo);
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// Must attach to the vm thread before calling any java methods.
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nError = (pJavaVirtualMachineInst)->AttachCurrentThread((void **)&pEnv, NULL);
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if (nError != 0) {
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char Message[] = "The ECW JNI interface could not attach to the current thread in\n"
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"the Java virtual machine. Please refer to the Image Web Server\n"
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"Java SDK documentation for more information about JVM threads.\n\n"
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"Progressive imagery will not be available.";
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#ifdef WIN32
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MessageBox(GetActiveWindow(), OS_STRING(Message), TEXT("JNCSFile VM Error"), MB_OK);
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#else
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fprintf(stderr, "JNCSFile VM Error : %s\n", Message);
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#endif
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return NCSECW_READ_FAILED;
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}
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// Make sure we got a view info struct.
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if (!pViewInfo) {
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NCSJNIThrowException(pEnv, "java/lang/Exception", "ECW JNI component could not obtain the NCSViewInfo pointer from the NCSFileView. No refreshUpdate() will occur.");
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(pJavaVirtualMachineInst)->DetachCurrentThread();
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return NCSECW_READ_FAILED;
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}
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// The file is the global reference stashed in the client data pointer.
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pECWFile = (jobject)pViewInfo->pClientData;
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// Check to make sure that the ECW object has not been free'd or garbaged collected. This is only valid for JNI 1.2
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if ((pEnv)->IsSameObject(pECWFile/*pViewInfo->pClientData*/, NULL) == JNI_TRUE) {
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(pJavaVirtualMachineInst)->DetachCurrentThread();
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return NCSECW_READ_FAILED;
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}
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// Use the valid reference to the object, to obtain the data pointer.
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pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField((jobject)pViewInfo->pClientData, pGlobalJNCSFieldIDs->jIDNativeDataPointer);
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if (!pJNIInfo) {
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NCSJNIThrowException(pEnv, "java/lang/Exception", "The ECW JNI component could not obtain the client data pointer from the NCSViewInfo struct. No refreshUpdate() will occur.");
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(pJavaVirtualMachineInst)->DetachCurrentThread();
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return NCSECW_READ_FAILED;
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}
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EcwObjectClass = (pEnv)->GetObjectClass(pECWFile/*pJNIInfo->ECWFile*/);
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if (EcwObjectClass == NULL) {
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NCSJNIThrowException(pEnv, "java/lang/Exception", "The ECW JNI component could not determine the class signature of the ECW object.");
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(pJavaVirtualMachineInst)->DetachCurrentThread();
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return NCSECW_READ_FAILED;
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}
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(pEnv)->DeleteLocalRef(EcwObjectClass);
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298 |
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//Call the "refreshUpdate" method on this object, if it implements the JNCSProgressiveUpdate interface.
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if (pGlobalJNCSFieldIDs->jIDRefreshUpdateMethod) {
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(pEnv)->CallVoidMethod( pECWFile, \
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pGlobalJNCSFieldIDs->jIDRefreshUpdateMethod, \
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pViewInfo->nSizeX, pViewInfo->nSizeY, \
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pViewInfo->fTopX, pViewInfo->fLeftY, \
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pViewInfo->fBottomX, pViewInfo->fRightY);
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}
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else {
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NCSJNIThrowException(pEnv, "java/lang/ClassNotFoundException", "'refreshUpdate' method not found. Derived classes must implement the interface 'JNCSProgressiveUpdate' to use progressive imagery.");
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309 |
(pJavaVirtualMachineInst)->DetachCurrentThread();
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310 |
return NCSECW_READ_FAILED;
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311 |
}
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312 |
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313 |
(pJavaVirtualMachineInst)->DetachCurrentThread();
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314 |
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315 |
return NCSECW_READ_OK;
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316 |
}
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317 |
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318 |
|
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319 |
/**
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320 |
*
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321 |
*/
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322 |
int openFile(JNIEnv *pEnv, jobject *JNCSFile, jstring Filename, char *pFilename, jboolean bProgressive, NCSFileViewSetInfo *pNCSFileViewSetInfo, NCSFileView *pNCSFileView){
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323 |
NCSError nError;
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324 |
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325 |
if (bProgressive) {
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nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NCSJNIRefreshCallback);
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327 |
}
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else {
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329 |
nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NULL);
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330 |
}
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331 |
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332 |
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333 |
if (NCS_FAILED(nError)) {
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// Return the short filename, since people dont like diplaying the full ecwp url
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char *pProtocol, *pHost, *pECWFilename, *pShortFileName;
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int nProtocolLength, nHostLength, nFilenameLength;
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337 |
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NCSecwNetBreakdownUrl((char *)pFilename, &pProtocol, &nProtocolLength,
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&pHost, &nHostLength,
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&pECWFilename, &nFilenameLength);
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341 |
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if (pECWFilename && nFilenameLength > 0 && (strstr(pECWFilename, "/") || strstr(pECWFilename, "\\")))
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{
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int len = strlen(pECWFilename), index = 0;
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for (index=len; index > 0; index--)
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{
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pShortFileName = &pECWFilename[index];
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if (pECWFilename[index] == '\\' || pECWFilename[index] == '/')
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{
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pShortFileName ++;
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break;
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}
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}
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}
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else
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{
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pShortFileName = (char *)pFilename;
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}
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NCSFormatErrorText(NCS_FILE_OPEN_FAILED, pShortFileName, NCSGetLastErrorText(nError));
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361 |
return NCS_FILE_OPEN_FAILED;
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362 |
}
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363 |
else {
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364 |
NCSJNIInfo *pJNIInfo = NULL;
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|
365 |
char *pMimeType = NULL;
|
|
366 |
NCSFileViewFileInfo *pNCSFileInfo = NULL;
|
|
367 |
|
|
368 |
nError = NCSCreateJNIInfoStruct(pEnv, (*JNCSFile), pNCSFileView, &pJNIInfo);
|
|
369 |
NCScbmGetViewFileInfo(pNCSFileView, &pNCSFileInfo);
|
|
370 |
|
|
371 |
// Set the properties in the actual Java object
|
|
372 |
(pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDWidth, (jint)pNCSFileInfo->nSizeX );
|
|
373 |
(pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDHeight, (jint)pNCSFileInfo->nSizeY );
|
|
374 |
(pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)pNCSFileInfo->nBands);
|
|
375 |
(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)pNCSFileInfo->nCompressionRate );
|
|
376 |
(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)pNCSFileInfo->fCellIncrementX );
|
|
377 |
(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)pNCSFileInfo->fCellIncrementY );
|
|
378 |
(pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)pNCSFileInfo->eCellSizeUnits);
|
|
379 |
(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)pNCSFileInfo->fOriginX );
|
|
380 |
(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)pNCSFileInfo->fOriginY );
|
|
381 |
(pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDDatum, (pEnv)->NewStringUTF(pNCSFileInfo->szDatum));
|
|
382 |
(pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDProjection, (pEnv)->NewStringUTF(pNCSFileInfo->szProjection));
|
|
383 |
(pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDFilename, Filename);
|
|
384 |
(pEnv)->SetBooleanField((*JNCSFile), pGlobalJNCSFieldIDs->jIDIsOpen, JNI_TRUE);
|
|
385 |
(pEnv)->SetLongField((*JNCSFile), pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)pJNIInfo);
|
|
386 |
}
|
|
387 |
return NCS_SUCCESS;
|
|
388 |
}
|
|
389 |
|
|
390 |
/*
|
|
391 |
* Class: com_ermapper_ecw_JNCSFile
|
|
392 |
* Method: ECWOpen
|
|
393 |
* Signature: (Ljava/lang/String;Z)I
|
|
394 |
*/
|
|
395 |
|
|
396 |
JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWOpen
|
|
397 |
(JNIEnv *pEnv, jobject JNCSFile, jstring Filename, jboolean bProgressive){
|
|
398 |
const char *pFilename = (pEnv)->GetStringUTFChars(Filename, (jboolean *)NULL);
|
|
399 |
NCSFileView *pNCSFileView = NULL;
|
|
400 |
NCSFileViewSetInfo *pNCSFileViewSetInfo = NULL;
|
|
401 |
int ret;
|
|
402 |
|
|
403 |
ret = openFile(pEnv, &JNCSFile, Filename, (char *)pFilename, bProgressive, pNCSFileViewSetInfo, pNCSFileView);
|
|
404 |
|
|
405 |
(pEnv)->ReleaseStringUTFChars(Filename, (const char *)pFilename);
|
|
406 |
|
|
407 |
NCScbmGetViewInfo(pNCSFileView, &pNCSFileViewSetInfo);
|
|
408 |
|
|
409 |
pNCSFileViewSetInfo->pClientData = (void *)(pEnv)->NewGlobalRef(JNCSFile);
|
|
410 |
|
|
411 |
return ret;
|
|
412 |
}
|
|
413 |
|
|
414 |
|
|
415 |
/*
|
|
416 |
* Class: com_ermapper_ecw_JNCSFile
|
|
417 |
* Method: ECWOpen
|
|
418 |
* Signature: (Ljava/lang/String;Z)I
|
|
419 |
*/
|
|
420 |
|
|
421 |
JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWOpenArray
|
|
422 |
(JNIEnv *pEnv, jobject JNCSFile, jstring Filename, jboolean bProgressive, jbyteArray pszF){
|
|
423 |
|
|
424 |
NCSFileView *pNCSFileView = NULL;
|
|
425 |
NCSFileViewSetInfo *pNCSFileViewSetInfo = NULL;
|
|
426 |
int ret;
|
|
427 |
jbyte *pFilename;
|
|
428 |
int longitud = 0;
|
|
429 |
NCSError nError;
|
|
430 |
|
|
431 |
longitud = (pEnv)->GetArrayLength(pszF);
|
|
432 |
pFilename = (pEnv)->GetByteArrayElements(pszF, 0);
|
|
433 |
pFilename = (jbyte *)realloc(pFilename, longitud + 1);
|
|
434 |
pFilename[longitud] = '\0';
|
|
435 |
|
|
436 |
if (bProgressive) {
|
|
437 |
nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NCSJNIRefreshCallback);
|
|
438 |
}else {
|
|
439 |
nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NULL);
|
|
440 |
}
|
|
441 |
|
|
442 |
|
|
443 |
if (NCS_FAILED(nError)) {
|
|
444 |
// Return the short filename, since people dont like diplaying the full ecwp url
|
|
445 |
char *pProtocol, *pHost, *pECWFilename, *pShortFileName;
|
|
446 |
int nProtocolLength, nHostLength, nFilenameLength;
|
|
447 |
|
|
448 |
NCSecwNetBreakdownUrl((char *)pFilename, &pProtocol, &nProtocolLength,
|
|
449 |
&pHost, &nHostLength,
|
|
450 |
&pECWFilename, &nFilenameLength);
|
|
451 |
|
|
452 |
if (pECWFilename && nFilenameLength > 0 && (strstr(pECWFilename, "/") || strstr(pECWFilename, "\\")))
|
|
453 |
{
|
|
454 |
int len = strlen(pECWFilename), index = 0;
|
|
455 |
for (index=len; index > 0; index--)
|
|
456 |
{
|
|
457 |
pShortFileName = &pECWFilename[index];
|
|
458 |
if (pECWFilename[index] == '\\' || pECWFilename[index] == '/')
|
|
459 |
{
|
|
460 |
pShortFileName ++;
|
|
461 |
break;
|
|
462 |
}
|
|
463 |
}
|
|
464 |
}
|
|
465 |
else
|
|
466 |
{
|
|
467 |
pShortFileName = (char *)pFilename;
|
|
468 |
}
|
|
469 |
|
|
470 |
NCSFormatErrorText(NCS_FILE_OPEN_FAILED, pShortFileName, NCSGetLastErrorText(nError));
|
|
471 |
return NCS_FILE_OPEN_FAILED;
|
|
472 |
}
|
|
473 |
else {
|
|
474 |
NCSJNIInfo *pJNIInfo = NULL;
|
|
475 |
char *pMimeType = NULL;
|
|
476 |
NCSFileViewFileInfo *pNCSFileInfo = NULL;
|
|
477 |
|
|
478 |
nError = NCSCreateJNIInfoStruct(pEnv, JNCSFile, pNCSFileView, &pJNIInfo);
|
|
479 |
NCScbmGetViewFileInfo(pNCSFileView, &pNCSFileInfo);
|
|
480 |
|
|
481 |
// Set the properties in the actual Java object
|
|
482 |
(pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDWidth, (jint)pNCSFileInfo->nSizeX );
|
|
483 |
(pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDHeight, (jint)pNCSFileInfo->nSizeY );
|
|
484 |
(pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)pNCSFileInfo->nBands);
|
|
485 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)pNCSFileInfo->nCompressionRate );
|
|
486 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)pNCSFileInfo->fCellIncrementX );
|
|
487 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)pNCSFileInfo->fCellIncrementY );
|
|
488 |
(pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)pNCSFileInfo->eCellSizeUnits);
|
|
489 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)pNCSFileInfo->fOriginX );
|
|
490 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)pNCSFileInfo->fOriginY );
|
|
491 |
(pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDDatum, (pEnv)->NewStringUTF(pNCSFileInfo->szDatum));
|
|
492 |
(pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDProjection, (pEnv)->NewStringUTF(pNCSFileInfo->szProjection));
|
|
493 |
(pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDFilename, Filename);
|
|
494 |
(pEnv)->SetBooleanField(JNCSFile, pGlobalJNCSFieldIDs->jIDIsOpen, JNI_TRUE);
|
|
495 |
(pEnv)->SetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)pJNIInfo);
|
|
496 |
|
|
497 |
}
|
|
498 |
|
|
499 |
|
|
500 |
//ret = openFile(pEnv, &JNCSFile, Filename, (char *)pszFilename, bProgressive, pNCSFileViewSetInfo, pNCSFileView);
|
|
501 |
|
|
502 |
(pEnv)->ReleaseByteArrayElements(pszF,(jbyte *)pFilename, 0);
|
|
503 |
|
|
504 |
NCScbmGetViewInfo(pNCSFileView, &pNCSFileViewSetInfo);
|
|
505 |
|
|
506 |
pNCSFileViewSetInfo->pClientData = (void *)(pEnv)->NewGlobalRef(JNCSFile);
|
|
507 |
|
|
508 |
return NCS_SUCCESS;
|
|
509 |
}
|
|
510 |
|
|
511 |
|
|
512 |
/*
|
|
513 |
* Class: com_ermapper_ecw_JNCSFile
|
|
514 |
* Method: ECWClose
|
|
515 |
* Signature: (Z)V
|
|
516 |
*/
|
|
517 |
JNIEXPORT void JNICALL Java_com_ermapper_ecw_JNCSFile_ECWClose
|
|
518 |
(JNIEnv *pEnv , jobject JNCSFile, jboolean bFreeCache)
|
|
519 |
{
|
|
520 |
NCSError nError;
|
|
521 |
NCSJNIInfo *pJNIInfo = NULL;
|
|
522 |
|
|
523 |
pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer);
|
|
524 |
|
|
525 |
if (pJNIInfo != NULL) {
|
|
526 |
NCSFileViewSetInfo *pViewInfo;
|
|
527 |
|
|
528 |
NCScbmGetViewInfo(pJNIInfo->pFileView, &pViewInfo);
|
|
529 |
|
|
530 |
// Clear the Java object members.
|
|
531 |
(pEnv)->SetIntField (JNCSFile, pGlobalJNCSFieldIDs->jIDWidth, (jint)0 );
|
|
532 |
(pEnv)->SetIntField (JNCSFile, pGlobalJNCSFieldIDs->jIDHeight, (jint)0 );
|
|
533 |
(pEnv)->SetIntField (JNCSFile, pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)0);
|
|
534 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)0.0 );
|
|
535 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)0.0 );
|
|
536 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)0.0 );
|
|
537 |
(pEnv)->SetIntField (JNCSFile, pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)0 );
|
|
538 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)0.0 );
|
|
539 |
(pEnv)->SetDoubleField(JNCSFile, pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)0.0 );
|
|
540 |
(pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDDatum, (pEnv)->NewStringUTF(""));
|
|
541 |
(pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDProjection, (pEnv)->NewStringUTF(""));
|
|
542 |
(pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDFilename, NULL);
|
|
543 |
(pEnv)->SetBooleanField(JNCSFile, pGlobalJNCSFieldIDs->jIDIsOpen, JNI_FALSE);
|
|
544 |
(pEnv)->SetLongField (JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)0);
|
|
545 |
|
|
546 |
(pEnv)->SetIntField(JNCSFile, pGlobalJNCSFieldIDs->jIDFileType, (jint)0 );
|
|
547 |
(pEnv)->SetObjectField(JNCSFile, pGlobalJNCSFieldIDs->jIDFileMimeType, NULL );
|
|
548 |
|
|
549 |
// Clean up any global refs
|
|
550 |
//(pEnv)->DeleteGlobalRef(pJNIInfo->ECWFile);
|
|
551 |
(pEnv)->DeleteGlobalRef((jobject)pViewInfo->pClientData);
|
|
552 |
|
|
553 |
nError = NCScbmCloseFileViewEx(pJNIInfo->pFileView, bFreeCache);
|
|
554 |
|
|
555 |
pJNIInfo->pFileView = NULL;
|
|
556 |
NCSFree(pJNIInfo);
|
|
557 |
}
|
|
558 |
return;
|
|
559 |
}
|
|
560 |
|
|
561 |
/*
|
|
562 |
* Class: com_ermapper_ecw_JNCSFile
|
|
563 |
* Method: ECWSetView
|
|
564 |
* Signature: (I[IIIIIDDDDII)I
|
|
565 |
*/
|
|
566 |
JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWSetView
|
|
567 |
(JNIEnv *pEnv, jobject ECWFile, jint nBands, jintArray nBandList, jint nDatasetTLX, jint nDatasetTLY, jint nDatasetBRX, jint nDatasetBRY, jdouble dWorldTLX, jdouble dWorldTLY, jdouble dWorldBRX, jdouble dWorldBRY, jint nWidth, jint nHeight)
|
|
568 |
{
|
|
569 |
NCSError nError = NCS_SUCCESS;
|
|
570 |
NCSJNIInfo *pJNIInfo = NULL;
|
|
571 |
|
|
572 |
// Sanity check
|
|
573 |
if ((pEnv)->IsInstanceOf(ECWFile, (pEnv)->FindClass("com/ermapper/ecw/JNCSFile")) == JNI_FALSE)
|
|
574 |
{
|
|
575 |
#ifdef WIN32
|
|
576 |
MessageBox(NULL, OS_STRING("ECWSetView() error : object is not a JNCSFile instance"), TEXT("JNCSClass Library (JNI)"), MB_OK);
|
|
577 |
#endif //WIN32
|
|
578 |
return NCS_JNI_ERROR;
|
|
579 |
}
|
|
580 |
|
|
581 |
pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(ECWFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer);
|
|
582 |
|
|
583 |
if (pJNIInfo) {
|
|
584 |
|
|
585 |
jint *pBandBuffer = (jint *)NCSMalloc(sizeof(UINT32)*nBands+1, TRUE);
|
|
586 |
(pEnv)->GetIntArrayRegion(nBandList, 0, nBands, pBandBuffer);
|
|
587 |
|
|
588 |
nError = NCScbmSetFileViewEx( pJNIInfo->pFileView,
|
|
589 |
nBands,
|
|
590 |
(UINT32*)pBandBuffer,
|
|
591 |
nDatasetTLX, nDatasetTLY, nDatasetBRX, nDatasetBRY,
|
|
592 |
nWidth,
|
|
593 |
nHeight,
|
|
594 |
dWorldTLX,
|
|
595 |
dWorldTLY,
|
|
596 |
dWorldBRX,
|
|
597 |
dWorldBRY);
|
|
598 |
NCSFree(pBandBuffer);
|
|
599 |
|
|
600 |
} else {
|
|
601 |
NCSFormatErrorText(NCS_JNI_ERROR, "method SetView() could not get native data from JNCSFile object.");
|
|
602 |
nError = NCS_JNI_ERROR;
|
|
603 |
}
|
|
604 |
|
|
605 |
return nError;
|
|
606 |
}
|
|
607 |
|
|
608 |
|
|
609 |
/*
|
|
610 |
* Class: com_ermapper_ecw_JNCSFile
|
|
611 |
* Method: ECWReadImageRGBA
|
|
612 |
* Signature: ([I)I
|
|
613 |
*/
|
|
614 |
JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWReadImageRGBA
|
|
615 |
(JNIEnv *pEnv, jobject JNCSFile, jintArray pRGBArray, jint width, jint height)
|
|
616 |
{
|
|
617 |
jboolean bIsCopy;
|
|
618 |
NCSEcwReadStatus eStatus;
|
|
619 |
NCSJNIInfo *pJNIInfo = NULL;
|
|
620 |
NCSError nError = NCS_SUCCESS;
|
|
621 |
jint *pRGBAPixels;
|
|
622 |
jint *pRGBLineArrayPtr = NULL;
|
|
623 |
int nIndex;
|
|
624 |
|
|
625 |
pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer);
|
|
626 |
|
|
627 |
if (!pJNIInfo) {
|
|
628 |
NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() could not get native data from JNCSFile object.");
|
|
629 |
nError = NCS_JNI_ERROR;
|
|
630 |
}
|
|
631 |
else {
|
|
632 |
// Lock the primitive array and get a pointer to the memory.
|
|
633 |
pRGBAPixels = (jint *)(pEnv)->GetPrimitiveArrayCritical(pRGBArray, &bIsCopy);
|
|
634 |
|
|
635 |
if (pRGBAPixels) {
|
|
636 |
|
|
637 |
pRGBLineArrayPtr = pRGBAPixels;
|
|
638 |
for (nIndex = 0; nIndex < height; nIndex ++) {
|
|
639 |
#if defined(NCSBO_LSBFIRST)
|
|
640 |
eStatus = NCScbmReadViewLineBGRA( pJNIInfo->pFileView, (UINT32 *)pRGBLineArrayPtr);
|
|
641 |
#elif defined(NCSBO_MSBFIRST)
|
|
642 |
eStatus = NCScbmReadViewLineBGRA( pJNIInfo->pFileView, (UINT32 *)pRGBLineArrayPtr);
|
|
643 |
//eStatus = NCScbmReadViewLineRGBA( pJNIInfo->pFileView, (UINT32 *)pRGBLineArrayPtr);
|
|
644 |
#endif
|
|
645 |
pRGBLineArrayPtr += width;
|
|
646 |
|
|
647 |
if (eStatus == NCSECW_READ_CANCELLED) {
|
|
648 |
nError = NCS_SUCCESS;
|
|
649 |
break;
|
|
650 |
}
|
|
651 |
if (eStatus == NCSECW_READ_FAILED) {
|
|
652 |
NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() failed (internal error).");
|
|
653 |
nError = NCS_JNI_ERROR;
|
|
654 |
break;
|
|
655 |
}
|
|
656 |
#ifndef WIN32
|
|
657 |
NCSThreadYield();
|
|
658 |
#endif
|
|
659 |
}
|
|
660 |
}
|
|
661 |
else {
|
|
662 |
NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() could not allocate memory for RGB Array.");
|
|
663 |
nError = NCS_JNI_ERROR;
|
|
664 |
}
|
|
665 |
// Copy the array back to the object and free the memory
|
|
666 |
(pEnv)->ReleasePrimitiveArrayCritical(pRGBArray, pRGBAPixels, 0);
|
|
667 |
}
|
|
668 |
return nError;
|
|
669 |
}
|
|
670 |
|
|
671 |
|
|
672 |
/*
|
|
673 |
* Class: com_ermapper_ecw_JNCSFile
|
|
674 |
* Method: ECWReadLineRGB
|
|
675 |
* Signature: ([I)I
|
|
676 |
*/
|
|
677 |
|
|
678 |
JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWReadLineRGBA
|
|
679 |
(JNIEnv *pEnv, jobject JNCSFile, jintArray pRGBArray)
|
|
680 |
{
|
|
681 |
jboolean bIsCopy;
|
|
682 |
NCSEcwReadStatus eStatus;
|
|
683 |
NCSJNIInfo *pJNIInfo = NULL;
|
|
684 |
NCSError nError = NCS_SUCCESS;
|
|
685 |
jint *pRGBAPixels;
|
|
686 |
|
|
687 |
pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer);
|
|
688 |
|
|
689 |
if (!pJNIInfo) {
|
|
690 |
NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() could not get native data from JNCSFile object.");
|
|
691 |
nError = NCS_JNI_ERROR;
|
|
692 |
}
|
|
693 |
else {
|
|
694 |
// Lock the primitive array and get a pointer to the memory.
|
|
695 |
pRGBAPixels = (jint *)(pEnv)->GetPrimitiveArrayCritical(pRGBArray, &bIsCopy);
|
|
696 |
|
|
697 |
if (pRGBAPixels) {
|
|
698 |
// Read into a RGBA Java scaneline (which is byte reversed, so go the BGRA here (???)
|
|
699 |
eStatus = NCScbmReadViewLineBGRA( pJNIInfo->pFileView, (UINT32 *)pRGBAPixels);
|
|
700 |
|
|
701 |
if (eStatus == NCSECW_READ_FAILED) {
|
|
702 |
NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() failed (internal error).");
|
|
703 |
nError = NCS_JNI_ERROR;
|
|
704 |
}
|
|
705 |
}
|
|
706 |
else {
|
|
707 |
NCSFormatErrorText(NCS_JNI_ERROR, "method readLineRGB() could not allocate memory for RGB Array.");
|
|
708 |
nError = NCS_JNI_ERROR;
|
|
709 |
}
|
|
710 |
// Copy the array back to the object and free the memory
|
|
711 |
(pEnv)->ReleasePrimitiveArrayCritical(pRGBArray, pRGBAPixels, 0);
|
|
712 |
}
|
|
713 |
return nError;
|
|
714 |
}
|
|
715 |
|
|
716 |
/*
|
|
717 |
* Class: com_ermapper_ecw_JNCSFile
|
|
718 |
* Method: ECWGetErrorString
|
|
719 |
* Signature: (I)Ljava/lang/String;
|
|
720 |
*/
|
|
721 |
JNIEXPORT jstring JNICALL Java_com_ermapper_ecw_JNCSFile_ECWGetErrorString
|
|
722 |
(JNIEnv *pEnv, jobject JNCSFile, jint nErrorNumber)
|
|
723 |
{
|
|
724 |
//return (*pEnv)->NewStringUTF(pEnv, NCSGetLastErrorText(nErrorNumber));
|
|
725 |
|
|
726 |
return (pEnv)->NewStringUTF("....");
|
|
727 |
}
|
|
728 |
|
|
729 |
|
|
730 |
/*
|
|
731 |
* Class: com_ermapper_ecw_JNCSFile
|
|
732 |
* Method: ECWGetLibVersion
|
|
733 |
* Signature: ()Ljava/lang/String;
|
|
734 |
*/
|
|
735 |
JNIEXPORT jstring JNICALL Java_com_ermapper_ecw_JNCSFile_ECWGetLibVersion
|
|
736 |
(JNIEnv *pEnv, jclass clazz)
|
|
737 |
{
|
|
738 |
return (pEnv)->NewStringUTF(NCS_VERSION_STRING_NO_NULL);
|
|
739 |
}
|
|
740 |
|
|
741 |
/*
|
|
742 |
* Class: com_ermapper_ecw_JNCSFile
|
|
743 |
* Method: ECWGetPercentComplete
|
|
744 |
* Signature: ()I
|
|
745 |
*/
|
|
746 |
|
|
747 |
JNIEXPORT jshort JNICALL Java_com_ermapper_ecw_JNCSFile_ECWGetPercentComplete
|
|
748 |
(JNIEnv *pEnv, jobject JNCSFile)
|
|
749 |
|
|
750 |
{
|
|
751 |
NCSFileViewSetInfo *pViewInfo = NULL;
|
|
752 |
NCSJNIInfo *pJNIInfo = NULL;
|
|
753 |
|
|
754 |
pJNIInfo = (NCSJNIInfo *)(pEnv)->GetLongField(JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer);
|
|
755 |
|
|
756 |
if (!pJNIInfo)
|
|
757 |
return 0;
|
|
758 |
|
|
759 |
if (pJNIInfo->pFileView) {
|
|
760 |
NCScbmGetViewInfo(pJNIInfo->pFileView, &pViewInfo);
|
|
761 |
if (pViewInfo) {
|
|
762 |
return (jshort)((pViewInfo->nBlocksAvailable / (double)pViewInfo->nBlocksInView) * 100);
|
|
763 |
}
|
|
764 |
}
|
|
765 |
else {
|
|
766 |
return 0;
|
|
767 |
}
|
|
768 |
|
|
769 |
return 0;
|
|
770 |
}
|