svn-gvsig-desktop / trunk / libraries / libjni-ecw / src / main / native / jecw / ecw_jni.c @ 20171
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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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|
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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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//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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(pJavaVirtualMachineInst)->DetachCurrentThread(); |
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return NCSECW_READ_FAILED;
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} |
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(pJavaVirtualMachineInst)->DetachCurrentThread(); |
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return NCSECW_READ_OK;
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} |
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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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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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} |
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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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NCSecwNetBreakdownUrl((char *)pFilename, &pProtocol, &nProtocolLength,
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&pHost, &nHostLength, |
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&pECWFilename, &nFilenameLength); |
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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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return NCS_FILE_OPEN_FAILED;
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} |
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else {
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NCSJNIInfo *pJNIInfo = NULL;
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char *pMimeType = NULL; |
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NCSFileViewFileInfo *pNCSFileInfo = NULL;
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nError = NCSCreateJNIInfoStruct(pEnv, (*JNCSFile), pNCSFileView, &pJNIInfo); |
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NCScbmGetViewFileInfo(pNCSFileView, &pNCSFileInfo); |
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// Set the properties in the actual Java object
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(pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDWidth, (jint)pNCSFileInfo->nSizeX ); |
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(pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDHeight, (jint)pNCSFileInfo->nSizeY ); |
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(pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)pNCSFileInfo->nBands); |
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(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)pNCSFileInfo->nCompressionRate ); |
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(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)pNCSFileInfo->fCellIncrementX ); |
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(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)pNCSFileInfo->fCellIncrementY ); |
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(pEnv)->SetIntField((*JNCSFile), pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)pNCSFileInfo->eCellSizeUnits); |
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(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)pNCSFileInfo->fOriginX ); |
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(pEnv)->SetDoubleField((*JNCSFile), pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)pNCSFileInfo->fOriginY ); |
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(pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDDatum, (pEnv)->NewStringUTF(pNCSFileInfo->szDatum)); |
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(pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDProjection, (pEnv)->NewStringUTF(pNCSFileInfo->szProjection)); |
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(pEnv)->SetObjectField((*JNCSFile), pGlobalJNCSFieldIDs->jIDFilename, Filename); |
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(pEnv)->SetBooleanField((*JNCSFile), pGlobalJNCSFieldIDs->jIDIsOpen, JNI_TRUE); |
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(pEnv)->SetLongField((*JNCSFile), pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)pJNIInfo); |
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} |
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return NCS_SUCCESS;
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} |
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/*
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* Class: com_ermapper_ecw_JNCSFile
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* Method: ECWOpen
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* Signature: (Ljava/lang/String;Z)I
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*/
|
| 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 |
} |