use of com.google.zxing.BinaryBitmap in project wechat by motianhuo.
the class DecodeHandler method decode.
/**
* Decode the data within the viewfinder rectangle, and time how long it
* took. For efficiency, reuse the same reader objects from one decode to
* the next.
*
* @param data
* The YUV preview frame.
* @param width
* The width of the preview frame.
* @param height
* The height of the preview frame.
*/
private void decode(byte[] data, int width, int height) {
long start = System.currentTimeMillis();
Result rawResult = null;
// modify here
byte[] rotatedData = new byte[data.length];
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) rotatedData[x * height + height - y - 1] = data[x + y * width];
}
// Here we are swapping, that's the difference to #11
int tmp = width;
width = height;
height = tmp;
PlanarYUVLuminanceSource source = CameraManager.get().buildLuminanceSource(rotatedData, width, height);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
rawResult = multiFormatReader.decodeWithState(bitmap);
} catch (ReaderException re) {
// continue
} finally {
multiFormatReader.reset();
}
if (rawResult != null) {
long end = System.currentTimeMillis();
Log.d(TAG, "Found barcode (" + (end - start) + " ms):\n" + rawResult.toString());
Message message = Message.obtain(activity.getHandler(), R.id.decode_succeeded, rawResult);
Bundle bundle = new Bundle();
bundle.putParcelable(DecodeThread.BARCODE_BITMAP, source.renderCroppedGreyscaleBitmap());
message.setData(bundle);
// Log.d(TAG, "Sending decode succeeded message...");
message.sendToTarget();
} else {
Message message = Message.obtain(activity.getHandler(), R.id.decode_failed);
message.sendToTarget();
}
}
use of com.google.zxing.BinaryBitmap in project BarcodeEye by BarcodeEye.
the class DecodeHandler method decode.
/**
* Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
* reuse the same reader objects from one decode to the next.
*
* @param data The YUV preview frame.
* @param width The width of the preview frame.
* @param height The height of the preview frame.
*/
private void decode(byte[] data, int width, int height) {
long start = System.currentTimeMillis();
Result rawResult = null;
PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(data, width, height);
if (source != null) {
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
rawResult = multiFormatReader.decodeWithState(bitmap);
} catch (ReaderException re) {
// continue
} finally {
multiFormatReader.reset();
}
}
Handler handler = activity.getHandler();
if (rawResult != null) {
// Don't log the barcode contents for security.
long end = System.currentTimeMillis();
Log.d(TAG, "Found barcode in " + (end - start) + " ms");
if (handler != null) {
Message message = Message.obtain(handler, R.id.decode_succeeded, rawResult);
Bundle bundle = new Bundle();
bundleThumbnail(source, bundle);
message.setData(bundle);
message.sendToTarget();
}
} else {
if (handler != null) {
Message message = Message.obtain(handler, R.id.decode_failed);
message.sendToTarget();
}
}
}
use of com.google.zxing.BinaryBitmap in project zxingfragmentlib by mitoyarzun.
the class DecodeHandler method decode.
/**
* Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
* reuse the same reader objects from one decode to the next.
*
* @param data The YUV preview frame.
* @param width The width of the preview frame.
* @param height The height of the preview frame.
*/
private void decode(byte[] data, int width, int height) {
long start = System.currentTimeMillis();
Result rawResult = null;
PlanarYUVLuminanceSource source = fragment.getCameraManager().buildLuminanceSource(data, width, height);
if (source != null) {
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
rawResult = multiFormatReader.decodeWithState(bitmap);
} catch (ReaderException re) {
// continue
} finally {
multiFormatReader.reset();
}
}
Handler handler = fragment.getHandler();
if (rawResult != null) {
// Don't log the barcode contents for security.
long end = System.currentTimeMillis();
Log.d(TAG, "Found barcode in " + (end - start) + " ms");
if (handler != null) {
Message message = Message.obtain(handler, IConstants.DECODE_SUCCEDED, rawResult);
Bundle bundle = new Bundle();
bundleThumbnail(source, bundle);
message.setData(bundle);
message.sendToTarget();
}
} else {
if (handler != null) {
Message message = Message.obtain(handler, IConstants.DECODE_FAILED);
message.sendToTarget();
}
}
}
use of com.google.zxing.BinaryBitmap in project JustAndroid by chinaltz.
the class CodeUtils method analyzeBitmap.
/**
* 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();
// 先获取原大小
options.inJustDecodeBounds = true;
Bitmap mBitmap = BitmapFactory.decodeFile(path, options);
// 获取新的大小
options.inJustDecodeBounds = false;
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();
}
}
}
use of com.google.zxing.BinaryBitmap in project react-native-camera by lwansbrough.
the class BarCodeScannerAsyncTask method doInBackground.
@Override
protected Result doInBackground(Void... ignored) {
if (isCancelled() || mDelegate == null) {
return null;
}
/**
* mCameraViewWidth and mCameraViewHeight are obtained from portait orientation
* mWidth and mHeight are measured with landscape orientation with Home button to the right
* adjustedCamViewWidth is the adjusted width from the Aspect ratio setting
*/
int adjustedCamViewWidth = (int) (mCameraViewHeight / mRatio);
float adjustedScanY = (((adjustedCamViewWidth - mCameraViewWidth) / 2) + (mScanAreaY * mCameraViewWidth)) / adjustedCamViewWidth;
int left = (int) (mScanAreaX * mWidth);
int top = (int) (adjustedScanY * mHeight);
int scanWidth = (int) (mScanAreaWidth * mWidth);
int scanHeight = (int) (((mScanAreaHeight * mCameraViewWidth) / adjustedCamViewWidth) * mHeight);
try {
try {
BinaryBitmap bitmap = generateBitmapFromImageData(mImageData, mWidth, mHeight, false, left, top, scanWidth, scanHeight);
return mMultiFormatReader.decodeWithState(bitmap);
} catch (NotFoundException e) {
}
try {
BinaryBitmap bitmap = generateBitmapFromImageData(rotateImage(mImageData, mWidth, mHeight), mHeight, mWidth, false, mHeight - scanHeight - top, left, scanHeight, scanWidth);
return mMultiFormatReader.decodeWithState(bitmap);
} catch (NotFoundException e) {
}
try {
BinaryBitmap invertedBitmap = generateBitmapFromImageData(mImageData, mWidth, mHeight, true, mWidth - scanWidth - left, mHeight - scanHeight - top, scanWidth, scanHeight);
return mMultiFormatReader.decodeWithState(invertedBitmap);
} catch (NotFoundException e) {
}
try {
BinaryBitmap invertedRotatedBitmap = generateBitmapFromImageData(rotateImage(mImageData, mWidth, mHeight), mHeight, mWidth, true, top, mWidth - scanWidth - left, scanHeight, scanWidth);
return mMultiFormatReader.decodeWithState(invertedRotatedBitmap);
} catch (NotFoundException e) {
}
} catch (Throwable t) {
t.printStackTrace();
}
// no barcode found
return null;
}
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