int imFileFormatECW::Open(const char* file_name)
{
NCSError eError = NCScbmOpenFileView((char*)file_name, &this->pNCSFileView, NULL);
if (eError != NCS_SUCCESS)
{
if (eError == NCS_FILE_OPEN_ERROR ||
eError == NCS_FILE_NOT_FOUND ||
eError == NCS_FILE_INVALID)
return IM_ERR_OPEN;
else if (eError == NCS_FILE_OPEN_FAILED)
return IM_ERR_FORMAT;
else
return IM_ERR_ACCESS;
}
NCSFileType fileType = NCScbmGetFileType(this->pNCSFileView);
if (fileType == NCS_FILE_ECW)
strcpy(this->compression, "ECW");
else if (fileType == NCS_FILE_JP2)
strcpy(this->compression, "JPEG-2000");
else
return IM_ERR_COMPRESS;
this->image_count = 1;
return IM_ERR_NONE;
}
/*
* Class: com_ermapper_ecw_JNCSFile
* Method: ECWOpen
* Signature: (Ljava/lang/String;Z)I
*/
JNIEXPORT jint JNICALL Java_com_ermapper_ecw_JNCSFile_ECWOpen
(JNIEnv *pEnv, jobject JNCSFile, jstring Filename, jboolean bProgressive)
{
const char *pFilename = (*pEnv)->GetStringUTFChars(pEnv, Filename, (jboolean *)NULL);
NCSFileView *pNCSFileView = NULL;
NCSFileViewSetInfo *pNCSFileViewSetInfo = NULL;
NCSError nError;
if (bProgressive) {
nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NCSJNIRefreshCallback);
}
else {
nError = NCScbmOpenFileView((char *)pFilename, &pNCSFileView, NULL);
}
if (NCS_FAILED(nError)) {
// Return the short filename, since people dont like diplaying the full ecwp url
char *pProtocol, *pHost, *pECWFilename, *pShortFileName;
int nProtocolLength, nHostLength, nFilenameLength;
NCSecwNetBreakdownUrl((char *)pFilename, &pProtocol, &nProtocolLength,
&pHost, &nHostLength,
&pECWFilename, &nFilenameLength);
if (pECWFilename && nFilenameLength > 0 && (strstr(pECWFilename, "/") || strstr(pECWFilename, "\\")))
{
int len = strlen(pECWFilename), index = 0;
for (index=len; index > 0; index--)
{
pShortFileName = &pECWFilename[index];
if (pECWFilename[index] == '\\' || pECWFilename[index] == '/')
{
pShortFileName ++;
break;
}
}
}
else
{
pShortFileName = (char *)pFilename;
}
NCSFormatErrorText(NCS_FILE_OPEN_FAILED, pShortFileName, NCSGetLastErrorText(nError));
return NCS_FILE_OPEN_FAILED;
}
else {
NCSJNIInfo *pJNIInfo = NULL;
char *pMimeType = NULL;
NCSFileViewFileInfo *pNCSFileInfo = NULL;
nError = NCSCreateJNIInfoStruct(pEnv, JNCSFile, pNCSFileView, &pJNIInfo);
NCScbmGetViewFileInfo(pNCSFileView, &pNCSFileInfo);
// Set the properties in the actual Java object
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDWidth, (jint)pNCSFileInfo->nSizeX );
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDHeight, (jint)pNCSFileInfo->nSizeY );
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDNumberOfBands, (jint)pNCSFileInfo->nBands);
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCompressionRate, (jdouble)pNCSFileInfo->nCompressionRate );
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementX, (jdouble)pNCSFileInfo->fCellIncrementX );
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellIncrementY, (jdouble)pNCSFileInfo->fCellIncrementY );
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDCellSizeUnits, (jint)pNCSFileInfo->eCellSizeUnits);
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDOriginX, (jdouble)pNCSFileInfo->fOriginX );
(*pEnv)->SetDoubleField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDOriginY, (jdouble)pNCSFileInfo->fOriginY );
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDDatum, (*pEnv)->NewStringUTF(pEnv, pNCSFileInfo->szDatum));
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDProjection, (*pEnv)->NewStringUTF(pEnv, pNCSFileInfo->szProjection));
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDFilename, Filename);
(*pEnv)->SetBooleanField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDIsOpen, JNI_TRUE);
(*pEnv)->SetLongField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDNativeDataPointer, (jlong)pJNIInfo);
(*pEnv)->SetIntField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDFileType, (jint)NCScbmGetFileType(pNCSFileView) );
pMimeType = NCScbmGetFileMimeType(pNCSFileView);
if( pMimeType ) {
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDFileMimeType, (*pEnv)->NewStringUTF(pEnv, pMimeType) );
NCSFree( pMimeType );
pMimeType = NULL;
} else {
(*pEnv)->SetObjectField(pEnv, JNCSFile, pGlobalJNCSFieldIDs->jIDFileMimeType, NULL );
}
}
(*pEnv)->ReleaseStringUTFChars(pEnv, Filename, (const char *)pFilename);
NCScbmGetViewInfo(pNCSFileView, &pNCSFileViewSetInfo);
pNCSFileViewSetInfo->pClientData = (void *)(*pEnv)->NewGlobalRef(pEnv, JNCSFile);
return NCS_SUCCESS;
}
