com.google.zxing.MultiFormatReader#decodeWithState ( )源码实例Demo

下面列出了com.google.zxing.MultiFormatReader#decodeWithState ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： myapplication 文件： DecodeUtils.java


public Result decodeWithZxing(Bitmap bitmap) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);

    Result rawResult = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);

    BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
    try {
        rawResult = multiFormatReader.decodeWithState(binaryBitmap);
    } catch (ReaderException re) {
        // continue
    } finally {
        multiFormatReader.reset();
    }

    return rawResult;
}

源代码2 项目： SimplifyReader 文件： DecodeUtils.java


public String decodeWithZxing(byte[] data, int width, int height, Rect crop) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    Result rawResult = null;
    PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(data, width, height,
            crop.left, crop.top, crop.width(), crop.height(), false);

    if (source != null) {
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(bitmap);
        } catch (ReaderException re) {
            // continue
        } finally {
            multiFormatReader.reset();
        }
    }

    return rawResult != null ? rawResult.getText() : null;
}

源代码3 项目： SimplifyReader 文件： DecodeUtils.java


public String decodeWithZxing(Bitmap bitmap) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();
    multiFormatReader.setHints(changeZXingDecodeDataMode());

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);

    Result rawResult = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);

    if (source != null) {
        BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
        try {
            rawResult = multiFormatReader.decodeWithState(binaryBitmap);
        } catch (ReaderException re) {
            // continue
        } finally {
            multiFormatReader.reset();
        }
    }

    return rawResult != null ? rawResult.getText() : null;
}

源代码4 项目： code-scanner 文件： Utils.java


@Nullable
public static Result decodeLuminanceSource(@NonNull final MultiFormatReader reader,
        @NonNull final LuminanceSource luminanceSource) throws ReaderException {
    try {
        return reader.decodeWithState(new BinaryBitmap(new HybridBinarizer(luminanceSource)));
    } catch (final NotFoundException e) {
        return reader.decodeWithState(
                new BinaryBitmap(new HybridBinarizer(luminanceSource.invert())));
    } finally {
        reader.reset();
    }
}

源代码5 项目： UVCCameraZxing 文件： CodeUtils.java


public static void analyzeBitmap(Bitmap bitmap, AnalyzeCallback analyzeCallback) {
    MultiFormatReader multiFormatReader = new MultiFormatReader();

    // 解码的参数
    Hashtable<DecodeHintType, Object> hints = new Hashtable<>(2);
    // 可以解析的编码类型
    Vector<BarcodeFormat> decodeFormats = new Vector<>();
    // 这里设置可扫描的类型，我这里选择了都支持
    decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
    decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
    decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);

    hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
    // 设置继续的字符编码格式为UTF8
    // hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
    // 设置解析配置参数
    multiFormatReader.setHints(hints);

    // 开始对图像资源解码
    Result rawResult = null;
    try {
        rawResult = multiFormatReader.decodeWithState(
                new BinaryBitmap(new HybridBinarizer(new BitmapLuminanceSource(bitmap))));
    } catch (Exception e) {
        e.printStackTrace();
    }

    if (rawResult != null) {
        if (analyzeCallback != null) {
            analyzeCallback.onAnalyzeSuccess(bitmap, rawResult.getText());
        }
    } else {
        if (analyzeCallback != null) {
            analyzeCallback.onAnalyzeFailed();
        }
    }
}

源代码6 项目： RxTools-master 文件： RxQrBarTool.java


/**
 * 解析图片中的 二维码 或者 条形码
 *
 * @param photo 待解析的图片
 * @return Result 解析结果，解析识别时返回NULL
 */
public static Result decodeFromPhoto(Bitmap photo) {
    Result rawResult = null;
    if (photo != null) {
        Bitmap smallBitmap = RxImageTool.zoomBitmap(photo, photo.getWidth() / 2, photo.getHeight() / 2);// 为防止原始图片过大导致内存溢出，这里先缩小原图显示，然后释放原始Bitmap占用的内存
        photo.recycle(); // 释放原始图片占用的内存，防止out of memory异常发生

        MultiFormatReader multiFormatReader = new MultiFormatReader();

        // 解码的参数
        Hashtable<DecodeHintType, Object> hints = new Hashtable<>(2);
        // 可以解析的编码类型
        Vector<BarcodeFormat> decodeFormats = new Vector<>();
        if (decodeFormats.isEmpty()) {
            decodeFormats = new Vector<>();

            Vector<BarcodeFormat> PRODUCT_FORMATS = new Vector<>(5);
            PRODUCT_FORMATS.add(BarcodeFormat.UPC_A);
            PRODUCT_FORMATS.add(BarcodeFormat.UPC_E);
            PRODUCT_FORMATS.add(BarcodeFormat.EAN_13);
            PRODUCT_FORMATS.add(BarcodeFormat.EAN_8);
            // PRODUCT_FORMATS.add(BarcodeFormat.RSS14);
            Vector<BarcodeFormat> ONE_D_FORMATS = new Vector<>(PRODUCT_FORMATS.size() + 4);
            ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
            ONE_D_FORMATS.add(BarcodeFormat.CODE_39);
            ONE_D_FORMATS.add(BarcodeFormat.CODE_93);
            ONE_D_FORMATS.add(BarcodeFormat.CODE_128);
            ONE_D_FORMATS.add(BarcodeFormat.ITF);
            Vector<BarcodeFormat> QR_CODE_FORMATS = new Vector<>(1);
            QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE);
            Vector<BarcodeFormat> DATA_MATRIX_FORMATS = new Vector<>(1);
            DATA_MATRIX_FORMATS.add(BarcodeFormat.DATA_MATRIX);

            // 这里设置可扫描的类型，我这里选择了都支持
            decodeFormats.addAll(ONE_D_FORMATS);
            decodeFormats.addAll(QR_CODE_FORMATS);
            decodeFormats.addAll(DATA_MATRIX_FORMATS);
        }
        hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
        // 设置继续的字符编码格式为UTF8
        // hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
        // 设置解析配置参数
        multiFormatReader.setHints(hints);

        // 开始对图像资源解码
        try {
            rawResult = multiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(new BitmapLuminanceSource(smallBitmap))));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return rawResult;
}

源代码7 项目： zxing 文件： DecodeImgThread.java


@Override
public void run() {
    super.run();

    if (TextUtils.isEmpty(imgPath) || callback == null) {
        return;
    }

    Bitmap scanBitmap = getBitmap(imgPath, 400, 400);

    MultiFormatReader multiFormatReader = new MultiFormatReader();
    // 解码的参数
    Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(2);
    // 可以解析的编码类型
    Vector<BarcodeFormat> decodeFormats = new Vector<BarcodeFormat>();


    // 扫描的类型  一维码和二维码
    decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
    decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
    decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);

    hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
    // 设置解析的字符编码格式为UTF8
    //  hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
    // 设置解析配置参数
    multiFormatReader.setHints(hints);
    // 开始对图像资源解码
    Result rawResult = null;
    try {
        rawResult = multiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(new BitmapLuminanceSource(scanBitmap))));

        Log.i("解析结果", rawResult.getText());

    } catch (Exception e) {
        e.printStackTrace();
        //  Log.i("解析的图片结果","失败");
    }

    if (rawResult != null) {
        callback.onImageDecodeSuccess(rawResult);
    } else {
        callback.onImageDecodeFailed();
    }


}

源代码8 项目： smart-farmer-android 文件： ZxingUtil.java


/**
 * 解析二维码图片工具类
 */
public static void analyzeBitmap(String path, AnalyzeCallback analyzeCallback) {

    /**
     * 首先判断图片的大小,若图片过大,则执行图片的裁剪操作,防止OOM
     */
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true; // 先获取原大小
    Bitmap mBitmap = BitmapFactory.decodeFile(path, options);
    options.inJustDecodeBounds = false; // 获取新的大小

    int sampleSize = (int) (options.outHeight / (float) 400);

    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    mBitmap = BitmapFactory.decodeFile(path, options);

    MultiFormatReader multiFormatReader = new MultiFormatReader();

    // 解码的参数
    Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(2);
    // 可以解析的编码类型
    Vector<BarcodeFormat> decodeFormats = new Vector<BarcodeFormat>();
    if (decodeFormats == null || decodeFormats.isEmpty()) {
        decodeFormats = new Vector<BarcodeFormat>();

        // 这里设置可扫描的类型，我这里选择了都支持
        decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
        decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
        decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
    }
    hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
    // 设置继续的字符编码格式为UTF8
    // hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
    // 设置解析配置参数
    multiFormatReader.setHints(hints);

    // 开始对图像资源解码
    Result rawResult = null;
    try {
        rawResult = multiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(new BitmapLuminanceSource(mBitmap))));
    } catch (Exception e) {
        e.printStackTrace();
    }

    if (rawResult != null) {
        if (analyzeCallback != null) {
            analyzeCallback.onAnalyzeSuccess(mBitmap, rawResult.getText());
        }
    } else {
        if (analyzeCallback != null) {
            analyzeCallback.onAnalyzeFailed();
        }
    }
}

源代码9 项目： vinci 文件： CodeUtils.java


/**
 * 解析二维码图片工具类
 *
 * @param analyzeCallback
 */
public static void analyzeBitmap(String path, AnalyzeCallback analyzeCallback) {

    /**
     * 首先判断图片的大小,若图片过大,则执行图片的裁剪操作,防止OOM
     */
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true; // 先获取原大小
    Bitmap mBitmap = BitmapFactory.decodeFile(path, options);
    options.inJustDecodeBounds = false; // 获取新的大小

    int sampleSize = (int) (options.outHeight / (float) 400);

    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    mBitmap = BitmapFactory.decodeFile(path, options);

    MultiFormatReader multiFormatReader = new MultiFormatReader();

    // 解码的参数
    Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(2);
    // 可以解析的编码类型
    Vector<BarcodeFormat> decodeFormats = new Vector<BarcodeFormat>();
    if (decodeFormats == null || decodeFormats.isEmpty()) {
        decodeFormats = new Vector<BarcodeFormat>();

        // 这里设置可扫描的类型，我这里选择了都支持
        decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
        decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
        decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
    }
    hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
    // 设置继续的字符编码格式为UTF8
    // hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
    // 设置解析配置参数
    multiFormatReader.setHints(hints);

    // 开始对图像资源解码
    Result rawResult = null;
    try {
        rawResult = multiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(new BitmapLuminanceSource(mBitmap))));
    } catch (Exception e) {
        e.printStackTrace();
    }

    if (rawResult != null) {
        if (analyzeCallback != null) {
            analyzeCallback.onAnalyzeSuccess(mBitmap, rawResult.getText());
        }
    } else {
        if (analyzeCallback != null) {
            analyzeCallback.onAnalyzeFailed();
        }
    }
}

方法所在类

com.google.zxing.MultiFormatReader