Java RGBLuminanceSource类代码示例

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
public static String convert(Bitmap bitmap) {
    try {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int[] pixels = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        RGBLuminanceSource rgbLuminanceSource = new RGBLuminanceSource(
                width, height, pixels);
        BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(
                rgbLuminanceSource));
        HashMap<DecodeHintType, Object> hints = new HashMap<DecodeHintType, Object>();
        hints.put(DecodeHintType.CHARACTER_SET, DEFAULT_CHARSET);
        MultiFormatReader multiFormatReader = new MultiFormatReader();
        Result result = multiFormatReader.decode(binaryBitmap, hints);
        return result.getText();
    } catch (Exception e) {
        return null;
    }
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
/**
 * 同步解析bitmap二维码。该方法是耗时操作，请在子线程中调用。
 *
 * @param bitmap 要解析的二维码图片
 * @return 返回二维码图片里的内容 或 null
 */
public static String syncDecodeQRCode(Bitmap bitmap) {
    try {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int[] pixels = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
        Result result = new MultiFormatReader().decode(new BinaryBitmap(new HybridBinarizer(source)), HINTS);
        return result.getText();
    } catch (Exception e) {
        return null;
    }
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
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;
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
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;
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
public Result scanBitmap(Bitmap bitmap) throws FormatException, ChecksumException, NotFoundException {
    Reader reader = new MultiFormatReader();
    Result result;

    int[] intArray = new int[bitmap.getWidth() * bitmap.getHeight()];
    //copy pixel data from the Bitmap into the 'intArray' array
    bitmap.getPixels(intArray, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());

    LuminanceSource source = new RGBLuminanceSource(bitmap.getWidth(), bitmap.getHeight(), intArray);
    BinaryBitmap bMap = new BinaryBitmap(new HybridBinarizer(source));

    result = reader.decode(bMap);

    return result;
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
/**
 * Writes decoded message to Decoded.txt
 * @param f Input QRCode image
 */
public void decode_qr(String f)
{
	try
	{			
		tv= (TextView)findViewById(R.id.dqr);
		tv.setText("");
		Bitmap bmp=BitmapFactory.decodeFile(f); //import QRCode image file
		int width = bmp.getWidth(), height = bmp.getHeight();
        int[] pixels = new int[width * height];
        bmp.getPixels(pixels, 0, width, 0, 0, width, height);
        bmp.recycle();
	 	bmp = null;
        RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels); 
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));	       
		Result qr_result = new QRCodeReader().decode(bitmap);
		tv.setText("Successfully Decoded!\n");
		tv.append("Decoded file is at:\n");
		write_to_file(qr_result.getText().toString());
	}
	catch(Exception e)
	{
		Log.create_log(e, getApplicationContext());
	}
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
public String decode(final Bitmap image){
    final long start = System.currentTimeMillis();
    final int width = image.getWidth(), height = image.getHeight();
    final int[] pixels = new int[width * height];
    image.getPixels(pixels, 0, width, 0, 0, width, height);
    final RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    final BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    try {
        Result rawResult = mMultiFormatReader.decodeWithState(bitmap);
        final long end = System.currentTimeMillis();
        Log.d(TAG, "QRCode decode in " + (end - start) + "ms");
        Log.d(TAG, rawResult.toString());
        return rawResult.getText();
    } catch (NotFoundException re) {
        Log.w(TAG, re);
        return null;
    }finally {
        mMultiFormatReader.reset();
    }
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
protected Result scanningImage(String path) {
    if (StringUtil.isBlank(path)) {
        return null;
    }
    // DecodeHintType 和EncodeHintType
    Hashtable<DecodeHintType, String> hints = new Hashtable<DecodeHintType, String>();
    hints.put(DecodeHintType.CHARACTER_SET, "utf-8"); // 设置二维码内容的编码
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true; // 先获取原大小
    scanBitmap = BitmapFactory.decodeFile(path, options);
    options.inJustDecodeBounds = false; // 获取新的大小

    int sampleSize = (int) (options.outHeight / (float) 200);

    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    scanBitmap = BitmapFactory.decodeFile(path, options);
    int width = scanBitmap.getWidth(), height = scanBitmap.getHeight();
    int[] pixels = new int[width * height];
    scanBitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    scanBitmap.recycle();
    scanBitmap = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        return reader.decode(bitmap1, hints);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
public Result[] zxing( Mat inputImage ) throws ChecksumException, FormatException {

        int w = inputImage.width();
        int h = inputImage.height();

        Mat southEast;

        if (mBugRotate) {
            southEast = inputImage.submat(h-h/4 , h , 0 , w/2 - h/4 );
        } else {
            southEast = inputImage.submat(0, h / 4, w / 2 + h / 4, w);
        }

        Bitmap bMap = Bitmap.createBitmap(southEast.width(), southEast.height(), Bitmap.Config.ARGB_8888);
        org.opencv.android.Utils.matToBitmap(southEast, bMap);
        southEast.release();
        int[] intArray = new int[bMap.getWidth()*bMap.getHeight()];
        //copy pixel data from the Bitmap into the 'intArray' array
        bMap.getPixels(intArray, 0, bMap.getWidth(), 0, 0, bMap.getWidth(), bMap.getHeight());

        LuminanceSource source = new RGBLuminanceSource(bMap.getWidth(), bMap.getHeight(),intArray);

        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

        Result[] results = {};
        try {
            results = qrCodeMultiReader.decodeMultiple(bitmap);
        }
        catch (NotFoundException ignored) {
        }
        return results;
    }
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
private static RGBLuminanceSource createLuminanceSource(InputStream inputStream) {
  Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
  int width = bitmap.getWidth();
  int height = bitmap.getHeight();
  int[] pixels = new int[width * height];

  bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
  bitmap.recycle();

  return new RGBLuminanceSource(width, height, pixels);
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
@Override
public Bitmap processImage(Bitmap bMap) {
	
	int[] intArray = new int[bMap.getWidth()*bMap.getHeight()];  
	//copy pixel data from the Bitmap into the 'intArray' array  
	bMap.getPixels(intArray, 0, bMap.getWidth(), 0, 0, bMap.getWidth(), bMap.getHeight());  

	LuminanceSource source = new RGBLuminanceSource(bMap.getWidth(), bMap.getHeight(),intArray);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    Result result;
    try {
        result = new MultiFormatReader().decode(bitmap);
        lastResult = result.getText();
        lastFoundTime = System.currentTimeMillis();
        fire(result.getText());
    } catch (NotFoundException e) {
        //that's ok
        if (!lastResult.equals("")) //if result was not empty, clear old result
        {
            long mt1 = System.currentTimeMillis();
            if (mt1 - lastFoundTime > CLEAR_RESULT_TIMEOUT) {
                lastFoundTime = mt1;
                fire("");
                lastResult = "";
            }
        }
    }

    return bMap;
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
public static Result decodePureBitmap(Bitmap bmp) throws FormatException, ChecksumException, NotFoundException {
    int width = bmp.getWidth(), height = bmp.getHeight();
    int[] pixels = new int[width * height];
    bmp.getPixels(pixels, 0, width, 0, 0, width, height);
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    QRCodeReader reader = new QRCodeReader();
    BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
    Map<DecodeHintType, Object> hints = new EnumMap<>(DecodeHintType.class);
    hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
    return reader.decode(binaryBitmap, hints);
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
@Override
public void handleMessage(Message message) {
  if (running) {
    switch (message.what) {
      case R.id.decode:
        RenderableLuminanceSource source = null;
        byte[] data = (byte[]) message.obj;
        if (data != null) {
          source = activity.getCameraManager().buildLuminanceSource(data);
        }
        decode(source);
        break;
      case R.id.decode_image:
        Bitmap bitmap = (Bitmap) message.obj;
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int[] pixels = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        decodeLocalImage(new RGBLuminanceSource(width, height, pixels));
        break;
      case R.id.quit:
        running = false;
        enhancedDecodeExecutor.shutdown();
        Looper.myLooper().quit();
        break;
    }
  }
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
private Bitmap binarization(Bitmap bitmap, int lowColor, int highColor) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int pixels[] = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    LuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    Binarizer binarizer = new HybridBinarizer(source);

    Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    try {
        BitMatrix matrix = binarizer.getBlackMatrix();
        for (int i = 0; i < height; i++) {
            for (int j = 0; j < width; j++) {
                if (matrix.get(j, i)) {
                    result.setPixel(j, i, highColor);
                } else {
                    result.setPixel(j, i, lowColor);
                }
            }
        }
    } catch (NotFoundException e) {
        e.printStackTrace();
    }

    return result;
}
 

import com.google.zxing.RGBLuminanceSource; //导入依赖的package包/类
/**
     * 二值化
     *
     * @param bitmap
     * @return
     */
    private Bitmap binarization(Bitmap bitmap, int lowColor, int highStartColor, int highEndColor) {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        int pixels[] = new int[width * height];
        bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
        LuminanceSource source = new RGBLuminanceSource(width, height, pixels);
        Binarizer binarizer = new HybridBinarizer(source);

        Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

        try {
            BitMatrix matrix = binarizer.getBlackMatrix();
            int highColor;
            for (int i = 0; i < height; i++) {
//                highColor = getGradientColor(highStartColor, highEndColor, i / (float) height);
                highColor = getGradientColorByCurve(highStartColor, highEndColor, 0, height, i);
                for (int j = 0; j < width; j++) {
                    if (matrix.get(j, i)) {
                        result.setPixel(j, i, highColor);
                    } else {
                        result.setPixel(j, i, lowColor);
                    }
                }
            }
        } catch (NotFoundException e) {
            e.printStackTrace();
        }

        return result;
    }