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https://github.com/zxing/zxing.git
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31b5627fee
git-svn-id: https://zxing.googlecode.com/svn/trunk@1481 59b500cc-1b3d-0410-9834-0bbf25fbcc57
101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
#include "ZXingBarcodeReaderAppView.h"
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#include <e32std.h>
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#include <zxing/qrcode/QRCodeReader.h>
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#include <zxing/MultiFormatReader.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 <CameraImage.h>
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#include <string>
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#include <aknmessagequerydialog.h>
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#include "ZXingBarcodeReader_0xEF24C10A.rsg"
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using namespace zxing;
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using namespace zxing::qrcode;
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void CZXingBarcodeReaderAppView::StartTimer()
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{
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const TInt tickInterval=2000000;
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iPeriodic=CPeriodic::NewL(0); // neutral priority
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//CleanupStack::PushL(iPeriodic);
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iPeriodic->Start(tickInterval,tickInterval,TCallBack(&CZXingBarcodeReaderAppView::Tick, this));
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// CleanupStack::PopAndDestroy(iPeriodic);
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}
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TInt CZXingBarcodeReaderAppView::Tick(TAny* aObject)
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{
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// cast, and call non-static function
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((CZXingBarcodeReaderAppView*)aObject)->decodeBackbufferImage();
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return 1;
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}
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void CZXingBarcodeReaderAppView::decodeBackbufferImage()
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{
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MultiFormatReader decoder;
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CameraImage image;
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image.setImage(iBackBuffer);
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Ref<Result> res;
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try
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{
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Ref<LuminanceSource> imageRef(new CameraImage(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 = decoder.decode(ref);
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string string = res->getText()->getText();
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HBufC8 *pHeap8 = HBufC8::NewMaxLC(string.size());
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pHeap8->Des().Copy((const TUint8 *)string.c_str());
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HBufC *pHeap16 = HBufC::NewMaxLC(pHeap8->Length());
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pHeap16->Des().Copy(*pHeap8);
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ShowResultL(*pHeap16);
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}
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catch(zxing::Exception& e)
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{
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/*string string = "Error...retrying...";
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HBufC8 *pHeap8 = HBufC8::NewMaxLC(string.size());
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pHeap8->Des().Copy((const TUint8 *)string.c_str());
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HBufC *pHeap16 = HBufC::NewMaxLC(pHeap8->Length());
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pHeap16->Des().Copy(*pHeap8);
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ShowResultL(*pHeap16);*/
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}
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}
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void CZXingBarcodeReaderAppView::ShowResultL(TDesC16& message)
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{
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StopTimer();
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CAknMessageQueryDialog* dlg = new (ELeave) CAknMessageQueryDialog ();
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dlg->PrepareLC(R_TEXT_QUERY_DIALOG );
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//HBufC* title = NULL;
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//title = iEikonEnv->AllocReadResourceLC ( TEXT_DIALOG_TITLE );
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dlg->QueryHeading ()->SetTextL (_L("Information") );
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dlg->SetMessageTextL ( message );
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dlg->RunLD();
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CleanupStack::PopAndDestroy();
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StartTimer();
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}
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