int processFilepath(
const char * filename, // name of the file to be read
std::ostream * os, // output stream to use (NULL for no output). Not that cerr is used to report errors.
MultiFormatReader::DataFormatType fmt, // enum indicating the file format to expect.
INIReader & iniReader) {
assert(filename);
int rc;
try {
MultiFormatReader * nexusReader;
nexusReader = instantiateReader();
if (!gQuietMode) {
cerr << "Executing" << endl;
}
try {
nexusReader->DemoteBlocks();
nexusReader->ReadFilepath(filename, fmt);
rc = processContent(*nexusReader, filename, os, iniReader);
} catch(...) {
nexusReader->DeleteBlocksFromFactories();
delete nexusReader;
throw;
}
nexusReader->DeleteBlocksFromFactories();
delete nexusReader;
return rc;
} catch (const NxsException &x) {
cerr << "Error:\n " << x.msg << endl;
if (x.line > 0 || x.pos > 0) {
cerr << "at line " << x.line << ", column (approximately) " << x.col << " (and file position "<< x.pos << ")" << endl;
}
return 2;
}
}
void QQrDecoder::decodeImage(QImage originalImage)
{
MultiFormatReader decoder;
image.setImage(originalImage);
Ref<Result> res;
try{
Ref<LuminanceSource> imageRef(new CameraImageWrapper(image));
GlobalHistogramBinarizer* binz = new GlobalHistogramBinarizer(imageRef);
Ref<Binarizer> bz (binz);
BinaryBitmap* bb = new BinaryBitmap(bz);
Ref<BinaryBitmap> ref(bb);
res = decoder.decode(ref);
QString string = QString(res->getText()->getText().c_str());
QMessageBox::information((QWidget*)ui.centralwidget, QString("Decoding result") ,string);
}
catch(zxing::Exception& e)
{
// QMessageBox::information((QWidget*)ui.centralwidget, QString("Decoding result"), QString("Error"));
}
}
/*
* viewfinder_callback
*
* This callback is invoked when an image frame from the camera viewfinder becomes available.
* The frame is analyzed to determine if a barcode can be matched.
* Frames come in NV12 format which makes code analysis very fast.
*/
void viewfinder_callback(camera_handle_t handle,camera_buffer_t* buf,void* arg) {
camera_frame_nv12_t* data = (camera_frame_nv12_t*)(&(buf->framedesc));
uint8_t* buff = buf->framebuf;
int stride = data->stride;
int width = data->width;
int height = data->height;
try {
Ref<LuminanceSource> source(new GreyscaleLuminanceSource((unsigned char *)buff, stride, height, 0,0,width,height));
Ref<Binarizer> binarizer(new HybridBinarizer(source));
Ref<BinaryBitmap> bitmap(new BinaryBitmap(binarizer));
Ref<Result> result;
// setup the code reader
MultiFormatReader *reader = new MultiFormatReader();
DecodeHints *hints = new DecodeHints();
hints->addFormat(BarcodeFormat_QR_CODE);
hints->addFormat(BarcodeFormat_EAN_8);
hints->addFormat(BarcodeFormat_EAN_13);
hints->addFormat(BarcodeFormat_UPC_A);
hints->addFormat(BarcodeFormat_UPC_E);
hints->addFormat(BarcodeFormat_DATA_MATRIX);
hints->addFormat(BarcodeFormat_CODE_128);
hints->addFormat(BarcodeFormat_CODE_39);
hints->addFormat(BarcodeFormat_ITF);
hints->addFormat(BarcodeFormat_AZTEC);
// attempt to decode and retrieve a valid QR code from the image bitmap
result = reader->decode(bitmap, *hints);
std::string newBarcodeData = result->getText()->getText().data();
Json::FastWriter writer;
Json::Value root;
root["value"] = newBarcodeData;
std::string event = "community.barcodescanner.codefound.native";
// notify caller that a valid QR code has been decoded
if ( eventDispatcher != NULL){
eventDispatcher->NotifyEvent(event + " " + writer.write(root));
}
#ifdef DEBUG
fprintf(stderr, "This is the detected Barcode : %s\n", newBarcodeData.c_str());
#endif
}
catch (const std::exception& ex)
{
#ifdef DEBUG
fprintf( stderr, "error occured : \%s \n", ex.what());
#endif
}
}
int processFilepath(
const char * filename, // name of the file to be read
ostream * , // output stream to use (NULL for no output). Not that cerr is used to report errors.
MultiFormatReader::DataFormatType fmt, // enum indicating the file format to expect.
ProcessActionsEnum ) // enum that is passed on to processContent to indicate what should be done with the content of the file.
#endif
{
assert(filename);
try
{
MultiFormatReader * nexusReader;
# if defined(MULTIFILE_NEXUS_READER) && MULTIFILE_NEXUS_READER
nexusReader = gNexusReader;
# else
nexusReader = instantiateReader();
# endif
if (!gQuietMode)
cerr << "Executing" << endl;
try {
nexusReader->DemoteBlocks();
nexusReader->ReadFilepath(filename, fmt);
# if !defined(MULTIFILE_NEXUS_READER) || !MULTIFILE_NEXUS_READER
processContent(*nexusReader, os, currentAction);
# endif
}
catch(...) {
nexusReader->DeleteBlocksFromFactories();
# if ! defined(MULTIFILE_NEXUS_READER) || !MULTIFILE_NEXUS_READER
delete nexusReader;
# endif
throw;
}
# if !defined(MULTIFILE_NEXUS_READER) || !MULTIFILE_NEXUS_READER
nexusReader->DeleteBlocksFromFactories();
delete nexusReader;
# endif
return 0;
}
catch (const NxsException &x)
{
cerr << "Error:\n " << x.msg << endl;
if (x.line > 0 || x.pos > 0)
cerr << "at line " << x.line << ", column (approximately) " << x.col << " (and file position "<< x.pos << ")" << endl;
return 2;
}
}
MultiFormatReader * instantiateReader() {
MultiFormatReader * nexusReader = new MultiFormatReader(-1, NxsReader::WARNINGS_TO_STDERR);
if (gQuietMode) {
nexusReader->SetWarningOutputLevel(NxsReader::SKIPPING_CONTENT_WARNING);
}
if (gStrictLevel != 2) {
nexusReader->SetWarningToErrorThreshold((int)NxsReader::FATAL_WARNING + 1 - (int) gStrictLevel);
}
NxsCharactersBlock * charsB = nexusReader->GetCharactersBlockTemplate();
NxsDataBlock * dataB = nexusReader->GetDataBlockTemplate();
charsB->SetAllowAugmentingOfSequenceSymbols(true);
dataB->SetAllowAugmentingOfSequenceSymbols(true);
NxsTreesBlock * treesB = nexusReader->GetTreesBlockTemplate();
assert(treesB);
if (gStrictLevel < 2) {
treesB->SetAllowImplicitNames(true);
}
treesB->setValidateInternalNodeLabels(gValidateInternals);
treesB->setAllowNumericInterpretationOfTaxLabels(true);
if (gStrictLevel < 2) {
NxsStoreTokensBlockReader *storerB = nexusReader->GetUnknownBlockTemplate();
assert(storerB);
storerB->SetTolerateEOFInBlock(true);
}
nexusReader->conversionOutputRecord.addNumbersToDisambiguateNames = true;
return nexusReader;
}
MultiFormatReader * instantiateReader() {
MultiFormatReader * nexusReader = new MultiFormatReader(-1, NxsReader::WARNINGS_TO_STDERR);
if (gQuietMode)
nexusReader->SetWarningOutputLevel(NxsReader::SKIPPING_CONTENT_WARNING);
if (gStrictLevel != 2)
nexusReader->SetWarningToErrorThreshold((int)NxsReader::FATAL_WARNING + 1 - (int) gStrictLevel);
if (gUnderscoresToSpaces)
nexusReader->SetCoerceUnderscoresToSpaces(true);
NxsCharactersBlock * charsB = nexusReader->GetCharactersBlockTemplate();
NxsDataBlock * dataB = nexusReader->GetDataBlockTemplate();
charsB->SetAllowAugmentingOfSequenceSymbols(true);
dataB->SetAllowAugmentingOfSequenceSymbols(true);
if (gInterleaveLen > 0) {
assert(charsB);
charsB->SetWriteInterleaveLen(gInterleaveLen);
dataB->SetWriteInterleaveLen(gInterleaveLen);
}
NxsTreesBlock * treesB = nexusReader->GetTreesBlockTemplate();
assert(treesB);
if (gStrictLevel < 2)
treesB->SetAllowImplicitNames(true);
treesB->SetWriteFromNodeEdgeDataStructure(gTreesViaInMemoryStruct);
treesB->setValidateInternalNodeLabels(gValidateInternals);
if (gAltNexus)
treesB->setWriteTranslateTable(false);
if (gStrictLevel < 2) {
NxsStoreTokensBlockReader *storerB = nexusReader->GetUnknownBlockTemplate();
assert(storerB);
storerB->SetTolerateEOFInBlock(true);
}
nexusReader->conversionOutputRecord.addNumbersToDisambiguateNames = true;
if (gSuppressingNameTranslationFile)
nexusReader->conversionOutputRecord.writeNameTranslationFile = false;
return nexusReader;
}
