mirror of https://github.com/status-im/qzxing.git
Added the binaries for Qt 4.6.3 Symbian^1
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#ifndef QZXING_GLOBAL_H
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#define QZXING_GLOBAL_H
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#include <QtCore>
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#include <qglobal.h>
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#if defined(QZXING_LIBRARY)
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# define QZXINGSHARED_EXPORT Q_DECL_EXPORT
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#else
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# define QZXINGSHARED_EXPORT Q_DECL_IMPORT
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#endif
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#endif //QZXING_GLOBAL_H
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#ifndef QZXING_H
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#define QZXING_H
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#include "QZXing_global.h"
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#include <QObject>
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#include <QImage>
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#if QT_VERSION >= 0x040700
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#include <QtDeclarative>
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#endif
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/**
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* A class containing a very very small subset of the ZXing library.
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* Created for ease of use.
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*
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* Anyone interested in using more technical stuff
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* from the ZXing library is welcomed to add/edit on free will.
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*
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* Regarding DecoderFormat, by default all of those are enabled (except DataMatrix will is still not supported)
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*/
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class
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#ifndef DISABLE_LIBRARY_FEATURES
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QZXINGSHARED_EXPORT
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#endif
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QZXing : public QObject{
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Q_OBJECT
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Q_ENUMS(DecoderFormat)
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Q_PROPERTY(int processingTime READ getProcessTimeOfLastDecoding)
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Q_PROPERTY(uint enabledDecoders READ getEnabledFormats WRITE setDecoder NOTIFY enabledFormatsChanged)
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public:
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/*
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*
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*/
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enum DecoderFormat {
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DecoderFormat_None = 0,
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DecoderFormat_Aztec = 1 << 1,
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DecoderFormat_CODABAR = 1 << 2,
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DecoderFormat_CODE_39 = 1 << 3,
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DecoderFormat_CODE_93 = 1 << 4,
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DecoderFormat_CODE_128 = 1 << 5,
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DecoderFormat_DATA_MATRIX = 1 << 6,
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DecoderFormat_EAN_8 = 1 << 7,
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DecoderFormat_EAN_13 = 1 << 8,
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DecoderFormat_ITF = 1 << 9,
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DecoderFormat_MAXICODE = 1 << 10,
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DecoderFormat_PDF_417 = 1 << 11,
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DecoderFormat_QR_CODE = 1 << 12,
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DecoderFormat_RSS_14 = 1 << 13,
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DecoderFormat_RSS_EXPANDED = 1 << 14,
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DecoderFormat_UPC_A = 1 << 15,
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DecoderFormat_UPC_E = 1 << 16,
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DecoderFormat_UPC_EAN_EXTENSION = 1 << 17
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} ;
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typedef unsigned int DecoderFormatType;
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QZXing(QObject *parent = NULL);
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QZXing(DecoderFormat decodeHints, QObject *parent = NULL);
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#if QT_VERSION >= 0x040700
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static void registerQMLTypes()
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{
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qmlRegisterType<QZXing>("QZXing", 2, 2, "QZXing");
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}
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#endif
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public slots:
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/**
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* The decoding function. Will try to decode the given image based on the enabled decoders.
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* If the image width is larger than maxWidth or image height is larger
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* than maxHeight then the image will be scaled down. Either way, in case of scaling, the aspect
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* ratio of the image will be kept.
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*
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* The smoothTransformation flag determines whether the transformation will be smooth or fast.
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* Smooth transformation provides better results but fast transformation is...faster.
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*/
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QString decodeImage(QImage image, int maxWidth=-1, int maxHeight=-1, bool smoothTransformation = false);
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/**
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* The decoding function. Will try to decode the given image based on the enabled decoders.
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* The input image is read from a local image file.
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*/
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QString decodeImageFromFile(QString imageFilePath, int maxWidth=-1, int maxHeight=-1, bool smoothTransformation = false);
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/**
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* The decoding function accessible from QML
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*/
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QString decodeImageQML(QObject *item);
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/**
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* The decoding function accessible from QML. Able to set the decoding
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* of a portion of the image.
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*/
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QString decodeSubImageQML(QObject* item,
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const double offsetX = 0 , const double offsetY = 0,
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const double width = 0, const double height = 0);
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/**
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* Get the prossecing time in millisecond of the last decode operation.
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* Added mainly as a statistic measure.
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* Decoding operation fails, the processing time equals to -1.
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*/
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int getProcessTimeOfLastDecoding();
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/**
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* Get the decoders that are enabled at the moment.
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* Returns a uint which is a bitwise OR of DecoderFormat enumeration values.
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*/
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uint getEnabledFormats() const;
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/**
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* Set the enabled decoders.
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* As argument it is possible to pass conjuction of decoders by using logic OR.
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* e.x. setDecoder ( DecoderFormat_QR_CODE | DecoderFormat_EAN_13 | DecoderFormat_CODE_39 )
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*/
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void setDecoder(const uint& hint);
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signals:
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void decodingStarted();
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void decodingFinished(bool succeeded);
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void tagFound(QString tag);
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void enabledFormatsChanged();
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private:
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void* decoder;
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DecoderFormatType enabledDecoders;
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QObject* imageHandler;
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int processingTime;
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/**
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* If true, the decoding operation will take place at a different thread.
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*/
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bool isThreaded;
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};
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#endif // QZXING_H
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