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add qrcode scanner

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This commit is contained in:
MoroccanMalinois
2017-01-31 04:36:08 +00:00
parent 43d5bd3e2d
commit 93d2eb5e1a
13 changed files with 627 additions and 14 deletions
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108
src/QR-Code-scanner/QrCodeScanner.cpp Normal file
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// Copyright (c) 2014-2017, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "QrCodeScanner.h"
#include <WalletManager.h>
#include <QVideoProbe>
#include <QCamera>
QrCodeScanner::QrCodeScanner(QObject *parent)
: QObject(parent)
, m_processTimerId(-1)
, m_processInterval(750)
, m_enabled(true)
{
#ifdef WITH_SCANNER
m_probe = new QVideoProbe(this);
m_thread = new QrScanThread(this);
m_thread->start();
QObject::connect(m_thread, SIGNAL(decoded(int,QString)), this, SLOT(processCode(int,QString)));
QObject::connect(m_thread, SIGNAL(notifyError(const QString &, bool)), this, SIGNAL(notifyError(const QString &, bool)));
connect(m_probe, SIGNAL(videoFrameProbed(QVideoFrame)), this, SLOT(processFrame(QVideoFrame)));
#endif
}
void QrCodeScanner::setSource(QCamera *camera)
{
m_probe->setSource(camera);
}
void QrCodeScanner::processCode(int type, const QString &data)
{
if (! m_enabled) return;
qDebug() << "decoded - type: " << type << " data: " << data;
QString address, payment_id, tx_description, recipient_name, error;
QVector<QString> unknown_parameters;
uint64_t amount(0);
if( ! WalletManager::instance()->parse_uri(data, address, payment_id, amount, tx_description, recipient_name, unknown_parameters, error) )
{
qDebug() << "Failed to parse_uri : " << error;
emit notifyError(error);
return;
}
if(unknown_parameters.size() > 0)
{
qDebug() << "unknown parameters " << unknown_parameters;
emit notifyError(error, true);
}
qDebug() << "Parsed URI : " << address << " " << payment_id << " " << amount << " " << tx_description << " " << recipient_name << " " << error;
QString s_amount = WalletManager::instance()->displayAmount(amount);
qDebug() << "Amount passed " << s_amount ;
emit decoded(address, payment_id, s_amount, tx_description, recipient_name);
}
void QrCodeScanner::processFrame(QVideoFrame frame)
{
if(frame.isValid()){
m_curFrame = frame;
}
}
bool QrCodeScanner::enabled() const
{
return m_enabled;
}
void QrCodeScanner::setEnabled(bool enabled)
{
m_enabled = enabled;
if(!enabled && (m_processTimerId != -1) )
{
this->killTimer(m_processTimerId);
m_processTimerId = -1;
}
else if (enabled && (m_processTimerId == -1) )
{
m_processTimerId = this->startTimer(m_processInterval);
}
emit enabledChanged();
}
#ifdef WITH_SCANNER
void QrCodeScanner::timerEvent(QTimerEvent *event)
{
if( (event->timerId() == m_processTimerId) ){
m_thread->addFrame(m_curFrame);
}
}
#endif

79
src/QR-Code-scanner/QrCodeScanner.h Normal file
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// Copyright (c) 2014-2017, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef QRCODESCANNER_H_
#define QRCODESCANNER_H_
#include <QImage>
#include <QVideoFrame>
#ifdef WITH_SCANNER
#include "QrScanThread.h"
#endif
class QVideoProbe;
class QCamera;
class QrCodeScanner : public QObject
{
Q_OBJECT
Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)
public:
QrCodeScanner(QObject *parent = Q_NULLPTR);
void setSource(QCamera*);
bool enabled() const;
void setEnabled(bool enabled);
public Q_SLOTS:
void processCode(int type, const QString &data);
void processFrame(QVideoFrame);
Q_SIGNALS:
void enabledChanged();
void decoded(const QString &address, const QString &payment_id, const QString &amount, const QString &tx_description, const QString &recipient_name);
void decode(int type, const QString &data);
void notifyError(const QString &error, bool warning = false);
protected:
#ifdef WITH_SCANNER
void timerEvent(QTimerEvent *);
QrScanThread *m_thread;
#endif
int m_processTimerId;
int m_processInterval;
int m_enabled;
QVideoFrame m_curFrame;
QVideoProbe *m_probe;
};
#endif

132
src/QR-Code-scanner/QrScanThread.cpp Normal file
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// Copyright (c) 2014-2017, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "QrScanThread.h"
#include <QtGlobal>
#include <QDebug>
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
extern QImage qt_imageFromVideoFrame(const QVideoFrame &f);
#else
QImage qt_imageFromVideoFrame(const QVideoFrame &f){
Q_ASSERT_X(0 != 0, "qt_imageFromVideoFrame", "Should have been managed in .pro");
return QImage();
}
#endif
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");
unsigned long datalen = qimg.byteCount();
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);
}
catch(std::exception &e) {
qDebug() << "ERROR: " << e.what();
emit notifyError(e.what());
}
}
void QrScanThread::processVideoFrame(const QVideoFrame &frame)
{
processQImage( qt_imageFromVideoFrame(frame) );
}
void QrScanThread::stop()
{
m_running = false;
}
void QrScanThread::addFrame(const QVideoFrame &frame)
{
QMutexLocker locker(&m_mutex);
m_queue.append(frame);
m_waitCondition.wakeOne();
}
void QrScanThread::run()
{
QVideoFrame frame;
while(m_running) {
QMutexLocker locker(&m_mutex);
while(m_queue.isEmpty())
m_waitCondition.wait(&m_mutex);
processVideoFrame(m_queue.takeFirst());
}
}

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src/QR-Code-scanner/QrScanThread.h Normal file
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// Copyright (c) 2014-2017, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef _QRSCANTHREAD_H_
#define _QRSCANTHREAD_H_
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <QEvent>
#include <QVideoFrame>
#include <QCamera>
#include <zbar.h>
class QrScanThread : public QThread, public zbar::Image::Handler
{
Q_OBJECT
public:
QrScanThread(QObject *parent = Q_NULLPTR);
void addFrame(const QVideoFrame &frame);
Q_SIGNALS:
void decoded(int type, const QString &data);
void notifyError(const QString &error, bool warning = false);
protected:
virtual void run();
virtual void stop();
void processVideoFrame(const QVideoFrame &);
void processQImage(const QImage &);
void processZImage(zbar::Image &image);
virtual void image_callback(zbar::Image &image);
bool zimageFromQImage(const QImage&, zbar::Image &);
private:
zbar::ImageScanner m_scanner;
QSharedPointer<zbar::Image> m_image;
bool m_running;
QMutex m_mutex;
QWaitCondition m_waitCondition;
QList<QVideoFrame> m_queue;
};
#endif