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QR-Code-scanner: integrate QUIRC library, implement QrDecoder, drop ZBar

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This commit is contained in:
xiphon
2020-12-21 19:58:27 +00:00
parent df771470c2
commit 8d4cda030e
15 changed files with 140 additions and 149 deletions
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55
src/QR-Code-scanner/QrScanThread.cpp
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@@ -38,62 +38,15 @@ QrScanThread::QrScanThread(QObject *parent)
: QThread(parent)
,m_running(true)
{
m_scanner.set_handler(*this);
}
void QrScanThread::image_callback(zbar::Image &image)
{
qDebug() << "image_callback : Found Code ! " ;
for(zbar::Image::SymbolIterator sym = image.symbol_begin();
sym != image.symbol_end();
++sym)
if(!sym->get_count()) {
QString data = QString::fromStdString(sym->get_data());
emit decoded(sym->get_type(), data);
}
}
void QrScanThread::processZImage(zbar::Image &image)
{
m_scanner.recycle_image(image);
zbar::Image tmp = image.convert(*(long*)"Y800");
m_scanner.scan(tmp);
image.set_symbols(tmp.get_symbols());
}
bool QrScanThread::zimageFromQImage(const QImage &qimg, zbar::Image &dst)
{
switch( qimg.format() ){
case QImage::Format_RGB32 :
case QImage::Format_ARGB32 :
case QImage::Format_ARGB32_Premultiplied :
break;
default :
emit notifyError(QString("Invalid QImage Format !"));
return false;
}
unsigned int bpl( qimg.bytesPerLine() ), width( bpl / 4), height( qimg.height());
dst.set_size(width, height);
dst.set_format("BGR4");
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
unsigned long datalen = qimg.sizeInBytes();
#else
unsigned long datalen = qimg.byteCount();
#endif
dst.set_data(qimg.bits(), datalen);
if((width * 4 != bpl) || (width * height * 4 > datalen)){
emit notifyError(QString("QImage to Zbar::Image failed !"));
return false;
}
return true;
}
void QrScanThread::processQImage(const QImage &qimg)
{
try {
m_image = QSharedPointer<zbar::Image>(new zbar::Image());
if( ! zimageFromQImage(qimg, *m_image) )
return;
processZImage(*m_image);
for (const std::string &code : m_decoder.decode(qimg))
{
emit decoded(QString::fromStdString(code));
}
}
catch(std::exception &e) {
qDebug() << "ERROR: " << e.what();