// YUVオブジェクトのバイナリデータを読み込み、マーカーを検知
public void readYUV(
final byte[] data,
int dataWidth,
int dataHeight,
int left,
int top,
int width,
int height,
boolean reserversion) {
final LuminanceSource source =
new PlanarYUVLuminanceSource(
data, dataWidth, dataHeight, left, top, width, height, reserversion);
final BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
// final Reader reader = new MultiFormatReader();
final Reader reader = new QRCodeReader();
try {
// 結果をゲット
mQRResult.setResultData(reader.decode(binaryBitmap));
mFoundFlag = true;
}
// 見つからなかった！
catch (NotFoundException ex) {
ex.printStackTrace();
mFoundFlag = false;
} catch (ChecksumException ex) {
ex.printStackTrace();
mFoundFlag = false;
} catch (FormatException ex) {
ex.printStackTrace();
mFoundFlag = false;
}
}
// Called when camera take a frame
@Override
public void onPreviewFrame(byte[] data, Camera camera) {
PlanarYUVLuminanceSource source =
mCameraManager.buildLuminanceSource(data, mPreviewWidth, mPreviewHeight);
HybridBinarizer hybBin = new HybridBinarizer(source);
BinaryBitmap bitmap = new BinaryBitmap(hybBin);
try {
Result result = mQRCodeReader.decode(bitmap);
// Notify We're found a QRCode
if (mOnQRCodeReadListener != null) {
// Transform resultPoints to View coordinates
PointF[] transformedPoints = transformToViewCoordinates(result.getResultPoints());
mOnQRCodeReadListener.onQRCodeRead(result.getText(), transformedPoints);
}
} catch (ChecksumException e) {
Log.d(TAG, "ChecksumException");
e.printStackTrace();
} catch (NotFoundException e) {
// Notify QR not found
if (mOnQRCodeReadListener != null) {
mOnQRCodeReadListener.QRCodeNotFoundOnCamImage();
}
} catch (FormatException e) {
Log.d(TAG, "FormatException");
e.printStackTrace();
} finally {
mQRCodeReader.reset();
}
}