Examples with ResultPoint com.google.zxing.ResultPoint used on opensource projects

Example 71 with ResultPoint

use of com.google.zxing.ResultPoint in project zxingfragmentlib by mitoyarzun.

the class BarCodeScannerFragment method drawResultPoints.

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
 *
 * @param barcode   A bitmap of the captured image.
 * @param scaleFactor amount by which thumbnail was scaled
 * @param rawResult The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, float scaleFactor, Result rawResult) {
    ResultPoint[] points = rawResult.getResultPoints();
    if (points != null && points.length > 0) {
        Canvas canvas = new Canvas(barcode);
        Paint paint = new Paint();
        paint.setColor(getResources().getColor(R.color.result_points));
        if (points.length == 2) {
            paint.setStrokeWidth(4.0f);
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
        } else if (points.length == 4 && (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A || rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
            // Hacky special case -- draw two lines, for the barcode and metadata
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
            drawLine(canvas, paint, points[2], points[3], scaleFactor);
        } else {
            paint.setStrokeWidth(10.0f);
            for (ResultPoint point : points) {
                if (point != null) {
                    canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(), paint);
                }
            }
        }
    }
}

Example 72 with ResultPoint

use of com.google.zxing.ResultPoint in project zxingfragmentlib by mitoyarzun.

the class ViewfinderView method addPossibleResultPoint.

public void addPossibleResultPoint(ResultPoint point) {
    List<ResultPoint> points = possibleResultPoints;
    synchronized (points) {
        points.add(point);
        int size = points.size();
        if (size > MAX_RESULT_POINTS) {
            // trim it
            points.subList(0, size - MAX_RESULT_POINTS / 2).clear();
        }
    }
}

Example 73 with ResultPoint

use of com.google.zxing.ResultPoint in project zxingfragmentlib by mitoyarzun.

the class ViewfinderView method onDraw.

@SuppressLint("DrawAllocation")
@Override
public void onDraw(Canvas canvas) {
    if (cameraManager == null) {
        // not ready yet, early draw before done configuring
        return;
    }
    Rect frame = cameraManager.getFramingRect();
    Rect previewFrame = cameraManager.getFramingRectInPreview();
    if (frame == null || previewFrame == null) {
        return;
    }
    int width = canvas.getWidth();
    int height = canvas.getHeight();
    // Draw the exterior (i.e. outside the framing rect) darkened
    paint.setColor(resultBitmap != null ? resultColor : maskColor);
    canvas.drawRect(0, 0, width, frame.top, paint);
    canvas.drawRect(0, frame.top, frame.left, frame.bottom + 1, paint);
    canvas.drawRect(frame.right + 1, frame.top, width, frame.bottom + 1, paint);
    canvas.drawRect(0, frame.bottom + 1, width, height, paint);
    if (resultBitmap != null) {
        // Draw the opaque result bitmap over the scanning rectangle
        paint.setAlpha(CURRENT_POINT_OPACITY);
        canvas.drawBitmap(resultBitmap, null, frame, paint);
    } else {
        // Draw a red "laser scanner" line through the middle to show decoding is active
        paint.setColor(laserColor);
        paint.setAlpha(SCANNER_ALPHA[scannerAlpha]);
        scannerAlpha = (scannerAlpha + 1) % SCANNER_ALPHA.length;
        int middle = frame.height() / 2 + frame.top;
        canvas.drawRect(frame.left + 2, middle - 1, frame.right - 1, middle + 2, paint);
        float scaleX = frame.width() / (float) previewFrame.width();
        float scaleY = frame.height() / (float) previewFrame.height();
        List<ResultPoint> currentPossible = possibleResultPoints;
        List<ResultPoint> currentLast = lastPossibleResultPoints;
        int frameLeft = frame.left;
        int frameTop = frame.top;
        if (currentPossible.isEmpty()) {
            lastPossibleResultPoints = null;
        } else {
            possibleResultPoints = new ArrayList<>(5);
            lastPossibleResultPoints = currentPossible;
            paint.setAlpha(CURRENT_POINT_OPACITY);
            paint.setColor(resultPointColor);
            synchronized (currentPossible) {
                for (ResultPoint point : currentPossible) {
                    canvas.drawCircle(frameLeft + (int) (point.getX() * scaleX), frameTop + (int) (point.getY() * scaleY), POINT_SIZE, paint);
                }
            }
        }
        if (currentLast != null) {
            paint.setAlpha(CURRENT_POINT_OPACITY / 2);
            paint.setColor(resultPointColor);
            synchronized (currentLast) {
                float radius = POINT_SIZE / 2.0f;
                for (ResultPoint point : currentLast) {
                    canvas.drawCircle(frameLeft + (int) (point.getX() * scaleX), frameTop + (int) (point.getY() * scaleY), radius, paint);
                }
            }
        }
        // Request another update at the animation interval, but only repaint the laser line,
        // not the entire viewfinder mask.
        postInvalidateDelayed(ANIMATION_DELAY, frame.left - POINT_SIZE, frame.top - POINT_SIZE, frame.right + POINT_SIZE, frame.bottom + POINT_SIZE);
    }
}

Example 74 with ResultPoint

use of com.google.zxing.ResultPoint in project react-native-camera by lwansbrough.

the class BarCodeReadEvent method serializeEventData.

private WritableMap serializeEventData() {
    WritableMap event = Arguments.createMap();
    WritableMap eventOrigin = Arguments.createMap();
    event.putInt("target", getViewTag());
    event.putString("data", mBarCode.getText());
    byte[] rawBytes = mBarCode.getRawBytes();
    if (rawBytes != null && rawBytes.length > 0) {
        Formatter formatter = new Formatter();
        for (byte b : rawBytes) {
            formatter.format("%02x", b);
        }
        event.putString("rawData", formatter.toString());
        formatter.close();
    }
    event.putString("type", mBarCode.getBarcodeFormat().toString());
    WritableArray resultPoints = Arguments.createArray();
    ResultPoint[] points = mBarCode.getResultPoints();
    for (ResultPoint point : points) {
        if (point != null) {
            WritableMap newPoint = Arguments.createMap();
            newPoint.putString("x", String.valueOf(point.getX()));
            newPoint.putString("y", String.valueOf(point.getY()));
            resultPoints.pushMap(newPoint);
        }
    }
    eventOrigin.putArray("origin", resultPoints);
    eventOrigin.putInt("height", mHeight);
    eventOrigin.putInt("width", mWidth);
    event.putMap("bounds", eventOrigin);
    if (mCompressedImage != null) {
        event.putString("image", Base64.encodeToString(mCompressedImage, Base64.NO_WRAP));
    }
    return event;
}

Example 75 with ResultPoint

use of com.google.zxing.ResultPoint in project smartmodule by carozhu.

the class ViewfinderView method addPossibleResultPoint.

public void addPossibleResultPoint(ResultPoint point) {
    List<ResultPoint> points = possibleResultPoints;
    synchronized (points) {
        points.add(point);
        int size = points.size();
        if (size > MAX_RESULT_POINTS) {
            // trim it
            points.subList(0, size - MAX_RESULT_POINTS / 2).clear();
        }
    }
}