Examples with NotFoundException com.google.zxing.NotFoundException used on opensource projects

Example 41 with NotFoundException

use of com.google.zxing.NotFoundException in project android-zxing by PearceXu.

the class RSS14Reader method decodePair.

private Pair decodePair(BitArray row, boolean right, int rowNumber, Map<DecodeHintType, ?> hints) {
    try {
        int[] startEnd = findFinderPattern(row, right);
        FinderPattern pattern = parseFoundFinderPattern(row, rowNumber, right, startEnd);
        ResultPointCallback resultPointCallback = hints == null ? null : (ResultPointCallback) hints.get(DecodeHintType.NEED_RESULT_POINT_CALLBACK);
        if (resultPointCallback != null) {
            float center = (startEnd[0] + startEnd[1]) / 2.0f;
            if (right) {
                // row is actually reversed
                center = row.getSize() - 1 - center;
            }
            resultPointCallback.foundPossibleResultPoint(new ResultPoint(center, rowNumber));
        }
        DataCharacter outside = decodeDataCharacter(row, pattern, true);
        DataCharacter inside = decodeDataCharacter(row, pattern, false);
        return new Pair(1597 * outside.getValue() + inside.getValue(), outside.getChecksumPortion() + 4 * inside.getChecksumPortion(), pattern);
    } catch (NotFoundException ignored) {
        return null;
    }
}

Example 42 with NotFoundException

use of com.google.zxing.NotFoundException in project android-zxing by PearceXu.

the class RSSExpandedReader method checkRows.

// Try to construct a valid rows sequence
// Recursion is used to implement backtracking
private List<ExpandedPair> checkRows(List<ExpandedRow> collectedRows, int currentRow) throws NotFoundException {
    for (int i = currentRow; i < rows.size(); i++) {
        ExpandedRow row = rows.get(i);
        this.pairs.clear();
        for (ExpandedRow collectedRow : collectedRows) {
            this.pairs.addAll(collectedRow.getPairs());
        }
        this.pairs.addAll(row.getPairs());
        if (!isValidSequence(this.pairs)) {
            continue;
        }
        if (checkChecksum()) {
            return this.pairs;
        }
        List<ExpandedRow> rs = new ArrayList<>();
        rs.addAll(collectedRows);
        rs.add(row);
        try {
            // Recursion: try to add more rows
            return checkRows(rs, i + 1);
        } catch (NotFoundException e) {
        // We failed, try the next candidate
        }
    }
    throw NotFoundException.getNotFoundInstance();
}

Example 43 with NotFoundException

use of com.google.zxing.NotFoundException in project barcodescanner by dm77.

the class ZXingScannerView method onPreviewFrame.

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
    if (mResultHandler == null) {
        return;
    }
    try {
        Camera.Parameters parameters = camera.getParameters();
        Camera.Size size = parameters.getPreviewSize();
        int width = size.width;
        int height = size.height;
        if (DisplayUtils.getScreenOrientation(getContext()) == Configuration.ORIENTATION_PORTRAIT) {
            int rotationCount = getRotationCount();
            if (rotationCount == 1 || rotationCount == 3) {
                int tmp = width;
                width = height;
                height = tmp;
            }
            data = getRotatedData(data, camera);
        }
        Result rawResult = null;
        PlanarYUVLuminanceSource source = buildLuminanceSource(data, width, height);
        if (source != null) {
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
            try {
                rawResult = mMultiFormatReader.decodeWithState(bitmap);
            } catch (ReaderException re) {
            // continue
            } catch (NullPointerException npe) {
            // This is terrible
            } catch (ArrayIndexOutOfBoundsException aoe) {
            } finally {
                mMultiFormatReader.reset();
            }
            if (rawResult == null) {
                LuminanceSource invertedSource = source.invert();
                bitmap = new BinaryBitmap(new HybridBinarizer(invertedSource));
                try {
                    rawResult = mMultiFormatReader.decodeWithState(bitmap);
                } catch (NotFoundException e) {
                // continue
                } finally {
                    mMultiFormatReader.reset();
                }
            }
        }
        final Result finalRawResult = rawResult;
        if (finalRawResult != null) {
            Handler handler = new Handler(Looper.getMainLooper());
            handler.post(new Runnable() {

                @Override
                public void run() {
                    // Stopping the preview can take a little long.
                    // So we want to set result handler to null to discard subsequent calls to
                    // onPreviewFrame.
                    ResultHandler tmpResultHandler = mResultHandler;
                    mResultHandler = null;
                    stopCameraPreview();
                    if (tmpResultHandler != null) {
                        tmpResultHandler.handleResult(finalRawResult);
                    }
                }
            });
        } else {
            camera.setOneShotPreviewCallback(this);
        }
    } catch (RuntimeException e) {
        // TODO: Terrible hack. It is possible that this method is invoked after camera is released.
        Log.e(TAG, e.toString(), e);
    }
}

Example 44 with NotFoundException

use of com.google.zxing.NotFoundException in project SmartMesh_Android by SmartMeshFoundation.

the class CaptureActivity method scanningImage.

/**
 * Scan the qr code image method
 */
public Result scanningImage(String path) {
    if (TextUtils.isEmpty(path)) {
        return null;
    }
    Hashtable<DecodeHintType, String> hints = new Hashtable<DecodeHintType, String>();
    // Set the qr code coding content
    hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
    BitmapFactory.Options options = new BitmapFactory.Options();
    // To obtain the original size
    options.inJustDecodeBounds = true;
    scanBitmap = BitmapFactory.decodeFile(path, options);
    // To get the new size
    options.inJustDecodeBounds = false;
    int sampleSize = (int) (options.outHeight / (float) 200);
    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    scanBitmap = BitmapFactory.decodeFile(path, options);
    RGBLuminanceSource source = new RGBLuminanceSource(scanBitmap);
    BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        return reader.decode(bitmap1, hints);
    } catch (NotFoundException e) {
        e.printStackTrace();
    } catch (ChecksumException e) {
        e.printStackTrace();
    } catch (FormatException e) {
        e.printStackTrace();
    }
    return null;
}

Example 45 with NotFoundException

use of com.google.zxing.NotFoundException in project summer-android by cn-cerc.

the class FrmScanBarcode method scanningImage.

/**
 * 识别二维码图片中的数据
 *
 * @param path
 * @return
 */
public Result scanningImage(String path) {
    if (TextUtils.isEmpty(path)) {
        return null;
    }
    Hashtable<DecodeHintType, String> hints = new Hashtable<DecodeHintType, String>();
    // 设置二维码内容的编码
    hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
    BitmapFactory.Options options = new BitmapFactory.Options();
    // 先获取原大小
    options.inJustDecodeBounds = true;
    scanBitmap = BitmapFactory.decodeFile(path, options);
    // 获取新的大小
    options.inJustDecodeBounds = false;
    int sampleSize = (int) (options.outHeight / (float) 200);
    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    scanBitmap = BitmapFactory.decodeFile(path, options);
    RGBLuminanceSource source = new RGBLuminanceSource(scanBitmap);
    BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        return reader.decode(bitmap1, hints);
    } catch (NotFoundException e) {
        e.printStackTrace();
    } catch (ChecksumException e) {
        e.printStackTrace();
    } catch (FormatException e) {
        e.printStackTrace();
    }
    return null;
}