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

Example 76 with ResultPoint

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

the class ViewfinderView method onDraw.

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;
    }
    // 初始化中间线滑动的最上边和最下边
    if (!isFirst) {
        isFirst = true;
        slideTop = frame.top - 5;
    }
    int width = canvas.getWidth();
    int height = canvas.getHeight();
    // Draw the exterior (i.e. outside the framing rect) darkened
    /*
		 * 预览界面的绘制
		 */
    paint.setColor(resultBitmap != null ? resultColor : maskColor);
    canvas.drawRect(0, 0, width, frame.top - 1, paint);
    canvas.drawRect(0, frame.top - 1, frame.left - 1, frame.bottom + 1, paint);
    canvas.drawRect(frame.right + 1, frame.top - 1, 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(OPAQUE);
        // canvas.drawBitmap(resultBitmap, null, frame, paint);
        canvas.drawBitmap(resultBitmap, frame.left, frame.top, paint);
    } else {
        // 画扫预览灰线框，共4个部分
        paint.setColor(Color.GRAY);
        canvas.drawRect(frame.left, frame.top, frame.right, frame.top + L_WIDTH, paint);
        canvas.drawRect(frame.left, frame.top, frame.left + L_WIDTH, frame.bottom, paint);
        canvas.drawRect(frame.left, frame.bottom - L_WIDTH, frame.right, frame.bottom, paint);
        canvas.drawRect(frame.right - L_WIDTH, frame.top, frame.right, frame.bottom, paint);
        // 画扫描框边上的角，总共8个部分
        paint.setColor(ConfigureManager.getConfigureManager().getAppThemeColor());
        canvas.drawRect(frame.left, frame.top, frame.left + ScreenRate, frame.top + CORNER_WIDTH, paint);
        canvas.drawRect(frame.left, frame.top, frame.left + CORNER_WIDTH, frame.top + ScreenRate, paint);
        canvas.drawRect(frame.right - ScreenRate, frame.top, frame.right, frame.top + CORNER_WIDTH, paint);
        canvas.drawRect(frame.right - CORNER_WIDTH, frame.top, frame.right, frame.top + ScreenRate, paint);
        canvas.drawRect(frame.left, frame.bottom - CORNER_WIDTH, frame.left + ScreenRate, frame.bottom, paint);
        canvas.drawRect(frame.left, frame.bottom - ScreenRate, frame.left + CORNER_WIDTH, frame.bottom, paint);
        canvas.drawRect(frame.right - ScreenRate, frame.bottom - CORNER_WIDTH, frame.right, frame.bottom, paint);
        canvas.drawRect(frame.right - CORNER_WIDTH, frame.bottom - ScreenRate, frame.right, frame.bottom, paint);
        // 绘制中间的线,每次刷新界面，中间的线往下移动SPEEN_DISTANCE
        slideTop += SPEEN_DISTANCE;
        if (slideTop >= frame.bottom - 10) {
            slideTop = frame.top - 5;
        }
        Rect lineRect = new Rect();
        lineRect.left = frame.left;
        lineRect.right = frame.right;
        lineRect.top = slideTop;
        // 扫描线的宽度15
        lineRect.bottom = slideTop + MIDDLE_LINE_WIDTH;
        // canvas.drawBitmap(((BitmapDrawable) (getResources()
        // .getDrawable(R.drawable.qrcode_scan_line))).getBitmap(),
        // null, lineRect, paint);
        canvas.drawRect(lineRect, paint);
        paint.setColor(Color.WHITE);
        paint.setTextSize(15 * density);
        paint.setAlpha(0xee);
        paint.setTypeface(Typeface.create("System", Typeface.BOLD));
        if ((CaptureActivity.currentState != null) && (CaptureActivity.currentState.equals("onecode"))) {
            canvas.drawText(getResources().getString(R.string.scan_qrcode), frame.left + 8, (float) (frame.bottom + (float) 40 * density), paint);
        }
        if ((CaptureActivity.currentState != null) && (CaptureActivity.currentState.equals("qrcode"))) {
        // canvas.drawText(getResources().getString(R.string.scan_qrcode), frame.left - 20, (float) (frame.bottom + (float) 40 * density), paint);
        // canvas.drawText(getResources().getString(R.string.scan_qrcode), frame.centerX(), (float) (frame.bottom + (float) 40 * density), paint);
        // Paint mPaint = new Paint();
        // mPaint.setStrokeWidth(3);
        // mPaint.setTextSize(15 * density);
        // mPaint.setColor(Color.WHITE);
        // mPaint.setTextAlign(Paint.Align.LEFT);
        // mPaint.setAlpha(0xee);
        // mPaint.setTypeface(Typeface.create("System", Typeface.BOLD));
        // Rect bounds = new Rect();
        // mPaint.getTextBounds(getResources().getString(R.string.scan_qrcode), 0, getResources().getString(R.string.scan_qrcode).length(), bounds);
        // Paint.FontMetricsInt fontMetrics = mPaint.getFontMetricsInt();
        // int baseline = (getMeasuredHeight() - fontMetrics.bottom + fontMetrics.top) / 2 - fontMetrics.top;
        // canvas.drawText(getResources().getString(R.string.scan_qrcode),getMeasuredWidth() / 2 - bounds.width() / 2, (float) (frame.bottom + (float) 40 * density), mPaint);
        }
        List<ResultPoint> currentPossible = possibleResultPoints;
        Collection<ResultPoint> currentLast = lastPossibleResultPoints;
        if (currentPossible.isEmpty()) {
            lastPossibleResultPoints = null;
        } else {
            possibleResultPoints = new ArrayList<ResultPoint>(5);
            lastPossibleResultPoints = currentPossible;
            paint.setAlpha(OPAQUE);
            paint.setColor(resultPointColor);
            for (ResultPoint point : currentPossible) {
                canvas.drawCircle(frame.left + point.getX(), frame.top + point.getY(), 6.0f, paint);
            }
        }
        if (currentLast != null) {
            paint.setAlpha(OPAQUE / 2);
            paint.setColor(resultPointColor);
            for (ResultPoint point : currentLast) {
                canvas.drawCircle(frame.left + point.getX(), frame.top + point.getY(), 3.0f, paint);
            }
        }
        // 刷新界面区域
        postInvalidateDelayed(ANIMATION_DELAY, 0, 0, width, height);
    }
}

Example 77 with ResultPoint

use of com.google.zxing.ResultPoint in project BarcodeEye by BarcodeEye.

the class CaptureActivity 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 static void drawResultPoints(Bitmap barcode, float scaleFactor, Result rawResult, int color) {
    ResultPoint[] points = rawResult.getResultPoints();
    if (points != null && points.length > 0) {
        Canvas canvas = new Canvas(barcode);
        Paint paint = new Paint();
        paint.setColor(color);
        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 78 with ResultPoint

use of com.google.zxing.ResultPoint in project BarcodeEye by BarcodeEye.

the class ViewfinderView method onDraw.

@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<ResultPoint>(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 79 with ResultPoint

use of com.google.zxing.ResultPoint in project BarcodeEye by BarcodeEye.

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 80 with ResultPoint

use of com.google.zxing.ResultPoint in project titanium-barcode by mwaylabs.

the class TitaniumBarcodeActivity 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 rawResult
 *            The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, Result rawResult) {
    ResultPoint[] points = rawResult.getResultPoints();
    if (points != null && points.length > 0) {
        Canvas canvas = new Canvas(barcode);
        Paint paint = new Paint();
        paint.setColor(BarcodeColor.RESULT_IMAGE_BORDER);
        paint.setStrokeWidth(3.0f);
        paint.setStyle(Paint.Style.STROKE);
        Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
        canvas.drawRect(border, paint);
        paint.setColor(BarcodeColor.RESULT_POINTS);
        if (points.length == 2) {
            paint.setStrokeWidth(4.0f);
            canvas.drawLine(points[0].getX(), points[0].getY(), points[1].getX(), points[1].getY(), paint);
        } else {
            paint.setStrokeWidth(10.0f);
            for (ResultPoint point : points) {
                canvas.drawPoint(point.getX(), point.getY(), paint);
            }
        }
    }
}