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trunk/libraries/libjni-ecw/src/main/native/jecw/ecw_jni.c | ||
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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 "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(pEnv)) { |
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(*pEnv)->ExceptionDescribe(pEnv); |
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(*pEnv)->ExceptionClear(pEnv); |
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} |
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jExceptionClass = (*pEnv)->FindClass(pEnv, pSignature); |
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if (jExceptionClass != NULL) { |
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(*pEnv)->ThrowNew(pEnv, jExceptionClass, pMessage); |
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} |
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(*pEnv)->DeleteLocalRef(pEnv, 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(pJVM, (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(pEnv, ECWFileClass, "nativeDataPointer", "J" ); |
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pJNIInfo->jIDWidth = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "width", "I" ); |
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pJNIInfo->jIDHeight = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "height", "I" ); |
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pJNIInfo->jIDNumberOfBands = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "numBands", "I" ); |
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pJNIInfo->jIDCompressionRate = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "compressionRate", "D" ); |
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pJNIInfo->jIDCellIncrementX = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "cellIncrementX", "D" ); |
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pJNIInfo->jIDCellIncrementY = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "cellIncrementY", "D" ); |
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pJNIInfo->jIDCellSizeUnits = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "cellSizeUnits", "I" ); |
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pJNIInfo->jIDOriginX = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "originX", "D" ); |
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pJNIInfo->jIDOriginY = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "originY", "D" ); |
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pJNIInfo->jIDDatum = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "datum", "Ljava/lang/String;" ); |
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pJNIInfo->jIDProjection = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "projection", "Ljava/lang/String;" ); |
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pJNIInfo->jIDFilename = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "fileName", "Ljava/lang/String;" ); |
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pJNIInfo->jIDIsOpen = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "bIsOpen", "Z" ); |
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pJNIInfo->jIDRefreshUpdateMethod= (*pEnv)->GetMethodID(pEnv, ECWFileClass, "refreshUpdate", "(IIDDDD)V"); |
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//pJNIInfo->jIDFileType = (*pEnv)->GetFieldID(pEnv, ECWFileClass, "fileType", "I" ); |
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//pJNIInfo->jIDFileMimeType = (*pEnv)->GetFieldID(pEnv, 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(pJavaVirtualMachineInst, (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(pJavaVirtualMachineInst); |
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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(pEnv, pECWFile/*pViewInfo->pClientData*/, NULL) == JNI_TRUE) { |
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(*pJavaVirtualMachineInst)->DetachCurrentThread(pJavaVirtualMachineInst); |
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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(pEnv, 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(pJavaVirtualMachineInst); |
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return NCSECW_READ_FAILED; |
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} |
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EcwObjectClass = (*pEnv)->GetObjectClass(pEnv, 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(pJavaVirtualMachineInst); |
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return NCSECW_READ_FAILED; |
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} |
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(*pEnv)->DeleteLocalRef(pEnv, EcwObjectClass); |
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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(pEnv, \ |
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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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(*pJavaVirtualMachineInst)->DetachCurrentThread(pJavaVirtualMachineInst); |
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310 |
return NCSECW_READ_FAILED; |
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311 |
} |
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312 |
|
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(*pJavaVirtualMachineInst)->DetachCurrentThread(pJavaVirtualMachineInst); |
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314 |
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return NCSECW_READ_OK; |
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316 |
} |
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317 |
|
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318 |
|
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/** |
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* |
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*/ |
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int openFile(JNIEnv *pEnv, jobject *JNCSFile, jstring Filename, char *pFilename, jboolean bProgressive, NCSFileViewSetInfo *pNCSFileViewSetInfo, NCSFileView *pNCSFileView){ |
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NCSError nError; |
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324 |
|
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if (bProgressive) { |
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nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NCSJNIRefreshCallback); |
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} |
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else { |
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nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NULL); |
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} |
|
331 |
|
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332 |
|
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333 |
if (NCS_FAILED(nError)) { |
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334 |
// 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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336 |
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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342 |
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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345 |
for (index=len; index > 0; index--) |
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{ |
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347 |
pShortFileName = &pECWFilename[index]; |
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348 |
if (pECWFilename[index] == '\\' || pECWFilename[index] == '/') |
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{ |
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350 |
pShortFileName ++; |
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break; |
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} |
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} |
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354 |
} |
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else |
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{ |
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357 |
pShortFileName = (char *)pFilename; |
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} |
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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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} |
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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; |
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367 |
|
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nError = NCSCreateJNIInfoStruct(pEnv, (*JNCSFile), pNCSFileView, &pJNIInfo); |
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369 |
NCScbmGetViewFileInfo(pNCSFileView, &pNCSFileInfo); |
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|
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// Set the properties in the actual Java object |
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372 |
(*pEnv)->SetIntField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDWidth, (jint)pNCSFileInfo->nSizeX ); |
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373 |
(*pEnv)->SetIntField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDHeight, (jint)pNCSFileInfo->nSizeY ); |
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(*pEnv)->SetIntField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)pNCSFileInfo->nBands); |
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(*pEnv)->SetDoubleField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)pNCSFileInfo->nCompressionRate ); |
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376 |
(*pEnv)->SetDoubleField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)pNCSFileInfo->fCellIncrementX ); |
|
377 |
(*pEnv)->SetDoubleField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)pNCSFileInfo->fCellIncrementY ); |
|
378 |
(*pEnv)->SetIntField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)pNCSFileInfo->eCellSizeUnits); |
|
379 |
(*pEnv)->SetDoubleField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)pNCSFileInfo->fOriginX ); |
|
380 |
(*pEnv)->SetDoubleField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)pNCSFileInfo->fOriginY ); |
|
381 |
(*pEnv)->SetObjectField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDDatum, (*pEnv)->NewStringUTF(pEnv, pNCSFileInfo->szDatum)); |
|
382 |
(*pEnv)->SetObjectField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDProjection, (*pEnv)->NewStringUTF(pEnv, pNCSFileInfo->szProjection)); |
|
383 |
(*pEnv)->SetObjectField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDFilename, Filename); |
|
384 |
(*pEnv)->SetBooleanField(pEnv, (*JNCSFile), pGlobalJNCSFieldIDs->jIDIsOpen, JNI_TRUE); |
|
385 |
(*pEnv)->SetLongField(pEnv, (*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(pEnv, 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(pEnv, Filename, (const char *)pFilename); |
|
406 |
|
|
407 |
NCScbmGetViewInfo(pNCSFileView, &pNCSFileViewSetInfo); |
|
408 |
|
|
409 |
pNCSFileViewSetInfo->pClientData = (void *)(*pEnv)->NewGlobalRef(pEnv, 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(pEnv, pszF); |
|
432 |
pFilename = (*pEnv)->GetByteArrayElements(pEnv, 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(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDWidth, (jint)pNCSFileInfo->nSizeX ); |
|
483 |
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDHeight, (jint)pNCSFileInfo->nSizeY ); |
|
484 |
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)pNCSFileInfo->nBands); |
|
485 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)pNCSFileInfo->nCompressionRate ); |
|
486 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)pNCSFileInfo->fCellIncrementX ); |
|
487 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)pNCSFileInfo->fCellIncrementY ); |
|
488 |
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)pNCSFileInfo->eCellSizeUnits); |
|
489 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)pNCSFileInfo->fOriginX ); |
|
490 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)pNCSFileInfo->fOriginY ); |
|
491 |
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDDatum, (*pEnv)->NewStringUTF(pEnv, pNCSFileInfo->szDatum)); |
|
492 |
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDProjection, (*pEnv)->NewStringUTF(pEnv, pNCSFileInfo->szProjection)); |
|
493 |
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDFilename, Filename); |
|
494 |
(*pEnv)->SetBooleanField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDIsOpen, JNI_TRUE); |
|
495 |
(*pEnv)->SetLongField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)pJNIInfo); |
|
496 |
|
|
497 |
} |
|
498 |
|
|
499 |
|
|
500 |
//ret = openFile(pEnv, &JNCSFile, Filename, (char *)pszFilename, bProgressive, pNCSFileViewSetInfo, pNCSFileView); |
|
501 |
|
|
502 |
(*pEnv)->ReleaseByteArrayElements(pEnv, pszF,(jbyte *)pFilename, 0); |
|
503 |
|
|
504 |
NCScbmGetViewInfo(pNCSFileView, &pNCSFileViewSetInfo); |
|
505 |
|
|
506 |
pNCSFileViewSetInfo->pClientData = (void *)(*pEnv)->NewGlobalRef(pEnv, 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(pEnv, 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 (pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDWidth, (jint)0 ); |
|
532 |
(*pEnv)->SetIntField (pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDHeight, (jint)0 ); |
|
533 |
(*pEnv)->SetIntField (pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)0); |
|
534 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)0.0 ); |
|
535 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)0.0 ); |
|
536 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)0.0 ); |
|
537 |
(*pEnv)->SetIntField (pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)0 ); |
|
538 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)0.0 ); |
|
539 |
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)0.0 ); |
|
540 |
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDDatum, (*pEnv)->NewStringUTF(pEnv, "")); |
|
541 |
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDProjection, (*pEnv)->NewStringUTF(pEnv, "")); |
|
542 |
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDFilename, NULL); |
|
543 |
(*pEnv)->SetBooleanField(pEnv,JNCSFile, pGlobalJNCSFieldIDs->jIDIsOpen, JNI_FALSE); |
|
544 |
(*pEnv)->SetLongField (pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)0); |
|
545 |
|
|
546 |
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDFileType, (jint)0 ); |
|
547 |
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDFileMimeType, NULL ); |
|
548 |
|
|
549 |
// Clean up any global refs |
|
550 |
//(*pEnv)->DeleteGlobalRef(pEnv, pJNIInfo->ECWFile); |
|
551 |
(*pEnv)->DeleteGlobalRef(pEnv, 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(pEnv, ECWFile, (*pEnv)->FindClass(pEnv, "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(pEnv, ECWFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer); |
|
582 |
|
|
583 |
if (pJNIInfo) { |
|
584 |
|
|
585 |
jint *pBandBuffer = (jint *)NCSMalloc(sizeof(UINT32)*nBands+1, TRUE); |
|
586 |
(*pEnv)->GetIntArrayRegion(pEnv, 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(pEnv, 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(pEnv, 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(pEnv, 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(pEnv, 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(pEnv, 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(pEnv, 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(pEnv, "...."); |
|
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(pEnv, 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(pEnv, 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 |
} |
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