mirror of https://github.com/status-im/qzxing.git
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
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#include "qzxing.h"
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#include <zxing/common/GlobalHistogramBinarizer.h>
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#include <zxing/Binarizer.h>
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#include <zxing/BinaryBitmap.h>
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#include <zxing/MultiFormatReader.h>
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#include <zxing/DecodeHints.h>
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#include "CameraImageWrapper.h"
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using namespace zxing;
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QZXing::QZXing(QObject *parent) : QObject(parent)
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{
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decoder = new MultiFormatReader();
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((MultiFormatReader*)decoder)->setHints(DecodeHints::DEFAULT_HINT);
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}
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void QZXing::setDecoder(DecoderFormat hint)
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{
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DecodeHints enabledDecoders;
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if(hint & DecoderFormat_QR_CODE)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_QR_CODE);
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if(hint & DecoderFormat_DATA_MATRIX)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_DATA_MATRIX);
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if(hint & DecoderFormat_UPC_E)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_UPC_E);
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if(hint & DecoderFormat_UPC_A)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_UPC_A);
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if(hint & DecoderFormat_EAN_8)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_EAN_8);
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if(hint & DecoderFormat_EAN_13)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_EAN_13);
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if(hint & DecoderFormat_CODE_128)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_CODE_128);
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if(hint & DecoderFormat_CODE_39)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_CODE_39);
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if(hint & DecoderFormat_ITF)
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enabledDecoders.addFormat((BarcodeFormat)DecoderFormat_ITF);
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((MultiFormatReader*)decoder)->setHints(enabledDecoders);
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}
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QString QZXing::decodeImage(QImage image)
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{
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Ref<Result> res;
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emit decodingStarted();
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try{
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Ref<LuminanceSource> imageRef(new CameraImageWrapper(image));
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GlobalHistogramBinarizer* binz = new GlobalHistogramBinarizer(imageRef);
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Ref<Binarizer> bz (binz);
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BinaryBitmap* bb = new BinaryBitmap(bz);
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Ref<BinaryBitmap> ref(bb);
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res = ((MultiFormatReader*)decoder)->decode(ref);
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QString string = QString(res->getText()->getText().c_str());
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emit tagFound(string);
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emit decodingFinished(true);
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return string;
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}
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catch(zxing::Exception& e)
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{
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emit decodingFinished(false);
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return "";
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}
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}
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