Java Code Examples for com.google.android.gms.vision.barcode.Barcode#getBoundingBox()

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    //canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = this.barcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect = translateRect(rect);
    canvas.drawRect(rect, rectPaint);

    if (textPaint != null) {
        // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
        canvas.drawText(barcode.rawValue, rect.left, rect.bottom, textPaint);
    }
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * Checking if the barcode is inside the scanner square or not. As the found barcode's dimensions
 * is in camera's coordinates, we must convert it to canvas' coordinates.
 */
public static boolean barcodeIsInsideScannerSquare(Barcode barcode) {
  // When the savedSquareFrame or mCameraSize is not initialized yet, which means the layout is
  // not drawn, return false.
  if (mSavedSquareFrame == null || mCameraSize == null) {
    return false;
  }

  Rect barcodeFrameCamera = barcode.getBoundingBox();
  int left = barcodeFrameCamera.left;
  int top = barcodeFrameCamera.top;
  int right = barcodeFrameCamera.right;
  int bottom = barcodeFrameCamera.bottom;

  int cameraWidth = mCameraSize.getWidth();
  int cameraHeight = mCameraSize.getHeight();

  // Convert to canvas' coordinates
  Rect barcodeFrameCanvas = new Rect(
      left * mCanvasWidth / cameraWidth,
      top * mCanvasHeight / cameraHeight,
      right * mCanvasWidth / cameraWidth,
      bottom * mCanvasHeight / cameraHeight);

  return mSavedSquareFrame.contains(barcodeFrameCanvas);
}
 

/**
 * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Barcode barcode = mBarcode;
    if (barcode == null) {
        return;
    }

    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, mRectPaint);

    // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
    //canvas.drawText(barcode.rawValue, rect.left, rect.bottom, mTextPaint);
}
 

/**
 * @return RectF that represents the graphic's bounding box.
 */
public RectF getBoundingBox() {
    Barcode barcode = this.barcode;
    if (barcode == null) {
        return null;
    }
    RectF rect = new RectF(barcode.getBoundingBox());
    rect = translateRect(rect);
    return rect;
}
 

private RectF getViewBoundingBox(Barcode barcode) {
    // Draws the bounding box around the barcode.
    RectF rect = new RectF(barcode.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);

    return rect;
}
 

@Override
public void detect(
        SharedBufferHandle frameData, int width, int height, DetectResponse callback) {
    if (GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(
                ContextUtils.getApplicationContext())
            != ConnectionResult.SUCCESS) {
        Log.e(TAG, "Google Play Services not available");
        callback.call(new BarcodeDetectionResult[0]);
        return;
    }
    // The vision library will be downloaded the first time the API is used
    // on the device; this happens "fast", but it might have not completed,
    // bail in this case. Also, the API was disabled between and v.9.0 and
    // v.9.2, see https://developers.google.com/android/guides/releases.
    if (!mBarcodeDetector.isOperational()) {
        Log.e(TAG, "BarcodeDetector is not operational");
        callback.call(new BarcodeDetectionResult[0]);
        return;
    }

    Frame frame = SharedBufferUtils.convertToFrame(frameData, width, height);
    if (frame == null) {
        Log.e(TAG, "Error converting SharedMemory to Frame");
        callback.call(new BarcodeDetectionResult[0]);
        return;
    }

    final SparseArray<Barcode> barcodes = mBarcodeDetector.detect(frame);

    BarcodeDetectionResult[] barcodeArray = new BarcodeDetectionResult[barcodes.size()];
    for (int i = 0; i < barcodes.size(); i++) {
        barcodeArray[i] = new BarcodeDetectionResult();
        final Barcode barcode = barcodes.valueAt(i);
        barcodeArray[i].rawValue = barcode.rawValue;
        final Rect rect = barcode.getBoundingBox();
        barcodeArray[i].boundingBox = new RectF();
        barcodeArray[i].boundingBox.x = rect.left;
        barcodeArray[i].boundingBox.y = rect.top;
        barcodeArray[i].boundingBox.width = rect.width();
        barcodeArray[i].boundingBox.height = rect.height();
        final Point[] corners = barcode.cornerPoints;
        barcodeArray[i].cornerPoints = new PointF[corners.length];
        for (int j = 0; j < corners.length; j++) {
            barcodeArray[i].cornerPoints[j] = new PointF();
            barcodeArray[i].cornerPoints[j].x = corners[j].x;
            barcodeArray[i].cornerPoints[j].y = corners[j].y;
        }
    }
    callback.call(barcodeArray);
}