qzxing/examples/QQrDecoder/qzxing.h

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#ifndef QZXING_H
#define QZXING_H
#include "QZXing_global.h"
#include <QObject>
#include <QImage>
#if QT_VERSION >= 0x040700
#include <QtDeclarative>
#endif
/**
* A class containing a very very small subset of the ZXing library.
* Created for ease of use.
*
* Anyone interested in using more technical stuff
* from the ZXing library is welcomed to add/edit on free will.
*
* Regarding DecoderFormat, by default all of those are enabled (except DataMatrix will is still not supported)
*/
class QZXINGSHARED_EXPORT QZXing : public QObject{
Q_OBJECT
Q_ENUMS(DecoderFormat)
public:
enum DecoderFormat {
DecoderFormat_None = 0,
DecoderFormat_QR_CODE = 1,
DecoderFormat_DATA_MATRIX = 2,
DecoderFormat_UPC_E = 4,
DecoderFormat_UPC_A = 8,
DecoderFormat_EAN_8 = 16,
DecoderFormat_EAN_13 = 32,
DecoderFormat_CODE_128 = 64,
DecoderFormat_CODE_39 = 128,
DecoderFormat_ITF = 256
} ;
typedef unsigned int DecoderFormatType;
public:
QZXing(QObject *parent = NULL);
/**
* Set the enabled decoders.
* As argument it is possible to pass conjuction of decoders by using logic OR.
* e.x. setDecoder ( DecoderFormat_QR_CODE | DecoderFormat_EAN_13 | DecoderFormat_CODE_39 )
*/
void setDecoder(DecoderFormatType hint);
#if QT_VERSION >= 0x040700
static void registerQMLTypes()
{
qmlRegisterType<QZXing>("QZXing", 1, 0, "QZXing");
}
#endif
public slots:
/**
* The decoding function. Will try to decode the given image based on the enabled decoders.
*
*/
QString decodeImage(QImage image);
signals:
void decodingStarted();
void decodingFinished(bool succeeded);
void tagFound(QString tag);
private:
void* decoder;
DecoderFormatType supportedFormats;
};
#endif // QZXING_H