use of com.google.zxing.BinaryBitmap in project SmartMesh_Android by SmartMeshFoundation.
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;
/* ������ */
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];
}
int tmp = width;
width = height;
height = tmp;
data = rotatedData;
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 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;
}
use of com.google.zxing.BinaryBitmap in project summer-android by cn-cerc.
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 zxing by yuzhiqiang1993.
the class DecodeHandler method decode.
/**
* 解码
*/
private void decode(byte[] data, int width, int height) {
Result rawResult = null;
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;
data = rotatedData;
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) {
// Log.i("解码异常",re.toString());
} finally {
multiFormatReader.reset();
}
}
Handler handler = activity.getHandler();
if (rawResult != null) {
if (handler != null) {
Message message = Message.obtain(handler, Constant.DECODE_SUCCEEDED, rawResult);
message.sendToTarget();
}
} else {
if (handler != null) {
Message message = Message.obtain(handler, Constant.DECODE_FAILED);
message.sendToTarget();
}
}
}
use of com.google.zxing.BinaryBitmap in project Signal-Android by signalapp.
the class ScanningThread method getScannedData.
@Nullable
private String getScannedData(byte[] data, int width, int height, int orientation) {
try {
if (orientation == Configuration.ORIENTATION_PORTRAIT) {
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];
}
}
int tmp = width;
width = height;
height = tmp;
data = rotatedData;
}
PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
Result result = reader.decode(bitmap, hints);
if (result != null)
return result.getText();
} catch (NullPointerException | ChecksumException | FormatException e) {
Log.w(TAG, e);
} catch (NotFoundException e) {
// Thanks ZXing...
}
return null;
}
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