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

Example 66 with ResultPoint

use of com.google.zxing.ResultPoint in project BlogSource by TeachCourse.

the class ViewfinderView method onDraw.

@Override
public void onDraw(Canvas canvas) {
    // 中间的扫描框，你要修改扫描框的大小，去CameraManager里面修改
    Rect frame = cameraManager.getFramingRect();
    if (frame == 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;
        slideBottom = frame.bottom;
    }
    // 获取屏幕的宽和高
    int width = canvas.getWidth();
    int height = canvas.getHeight();
    paint.setColor(resultBitmap != null ? resultColor : maskColor);
    // 画出扫描框外面的阴影部分，共四个部分，扫描框的上面到屏幕上面，扫描框的下面到屏幕下面，扫描框的左边面到屏幕左边，扫描框的右边到屏幕右边
    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(OPAQUE);
        canvas.drawBitmap(resultBitmap, frame.left, frame.top, paint);
    } else {
        // Draw a two pixel solid black border inside the framing rect
        paint.setColor(0xffffffff);
        canvas.drawRect(frame.left, frame.top, frame.right + 1, frame.top + 2, paint);
        canvas.drawRect(frame.left, frame.top + 2, frame.left + 2, frame.bottom - 1, paint);
        canvas.drawRect(frame.right - 1, frame.top, frame.right + 1, frame.bottom - 1, paint);
        canvas.drawRect(frame.left, frame.bottom - 1, frame.right + 1, frame.bottom + 1, paint);
        // 这里画取景框四个角落的夹角
        paint.setColor(0xff0ec3ff);
        paint.setAntiAlias(true);
        canvas.drawRect(frame.left - CORNER_WIDTH + 2, frame.top - CORNER_WIDTH + 2, frame.left + ScreenRate - CORNER_WIDTH + 2, frame.top + 2, paint);
        canvas.drawRect(frame.left - CORNER_WIDTH + 2, frame.top - CORNER_WIDTH + 2, frame.left + 2, frame.top + ScreenRate - CORNER_WIDTH + 2, paint);
        canvas.drawRect(frame.right - ScreenRate + CORNER_WIDTH - 2, frame.top - CORNER_WIDTH + 2, frame.right + CORNER_WIDTH - 2, frame.top + 2, paint);
        canvas.drawRect(frame.right - 2, frame.top - CORNER_WIDTH + 2, frame.right + CORNER_WIDTH - 2, frame.top + ScreenRate - CORNER_WIDTH + 2, paint);
        canvas.drawRect(frame.left - CORNER_WIDTH + 2, frame.bottom - 2, frame.left + ScreenRate - CORNER_WIDTH + 2, frame.bottom + CORNER_WIDTH - 2, paint);
        canvas.drawRect(frame.left - CORNER_WIDTH + 2, frame.bottom - ScreenRate + CORNER_WIDTH - 2, frame.left + 2, frame.bottom + CORNER_WIDTH - 2, paint);
        canvas.drawRect(frame.right - ScreenRate + CORNER_WIDTH - 2, frame.bottom - 2, frame.right + CORNER_WIDTH - 2, frame.bottom + CORNER_WIDTH - 2, paint);
        canvas.drawRect(frame.right - 2, frame.bottom - ScreenRate + CORNER_WIDTH - 2, frame.right + CORNER_WIDTH - 2, frame.bottom + CORNER_WIDTH - 2, 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) {
            slideTop = frame.top;
        }
        Rect lineRect = new Rect();
        lineRect.left = frame.left;
        lineRect.right = frame.right;
        lineRect.top = slideTop;
        lineRect.bottom = slideTop + 18;
        canvas.drawBitmap(((BitmapDrawable) (getResources().getDrawable(R.drawable.qr_scan_line))).getBitmap(), null, lineRect, paint);
        /**
         * 不显示关键点
         *			Collection<ResultPoint> currentPossible = possibleResultPoints;
         *			Collection<ResultPoint> currentLast = lastPossibleResultPoints;
         *			if (currentPossible.isEmpty()) {
         *				lastPossibleResultPoints = null;
         *			} else {
         *				possibleResultPoints = new HashSet<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);
         *				}
         *			}
         */
        // 只刷新扫描框的内容，其他地方不刷新
        postInvalidateDelayed(ANIMATION_DELAY, frame.left, frame.top, frame.right, frame.bottom);
    }
}

Example 67 with ResultPoint

use of com.google.zxing.ResultPoint in project MyBaseApplication by BanShouWeng.

the class ViewfinderView method onDraw.

@Override
public void onDraw(Canvas canvas) {
    try {
        // 中间的扫描框，你要修改扫描框的大小，去CameraManager里面修改
        Rect frame = cameraManager.getFramingRect();
        Rect frame1 = new Rect();
        frame1.top = frame.top + frameAdjust;
        frame1.bottom = frame.bottom - frameAdjust;
        frame1.left = frame.left + frameAdjust;
        frame1.right = frame.right - frameAdjust;
        if (frame == 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;
            slideBottom = frame.bottom;
        }
        // 获取屏幕的宽和高
        int width = canvas.getWidth();
        int height = canvas.getHeight();
        paint.setColor(resultBitmap != null ? resultColor : maskColor);
        // 画出扫描框外面的阴影部分，共四个部分，扫描框的上面到屏幕上面，扫描框的下面到屏幕下面
        // 扫描框的左边面到屏幕左边，扫描框的右边到屏幕右边
        canvas.drawRect(0, 0, width, frame1.top, paint);
        canvas.drawRect(0, frame1.top, frame1.left, frame1.bottom + 1, paint);
        canvas.drawRect(frame1.right + 1, frame1.top, width, frame1.bottom + 1, paint);
        canvas.drawRect(0, frame1.bottom + 1, width, height, paint);
        if (resultBitmap != null) {
            paint.setAlpha(OPAQUE);
            canvas.drawBitmap(resultBitmap, frame.left, frame.top, paint);
        } else {
            paint.setColor(getResources().getColor(R.color.blue_border));
            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);
            slideTop += SPEEN_DISTANCE;
            if (slideTop >= frame.bottom) {
                slideTop = frame.top;
            }
            // canvas.drawRect(frame.left + MIDDLE_LINE_PADDING, slideTop - MIDDLE_LINE_WIDTH / 2, frame.right - MIDDLE_LINE_PADDING, slideTop + MIDDLE_LINE_WIDTH / 2, paint);
            Rect lineRect = new Rect();
            lineRect.left = frame.left;
            lineRect.right = frame.right;
            lineRect.top = slideTop;
            lineRect.bottom = slideTop + 18;
            canvas.drawBitmap(((BitmapDrawable) (getResources().getDrawable(R.mipmap.scan_code_pic))).getBitmap(), null, lineRect, paint);
            // ��ɨ����������
            paint.setColor(getResources().getColor(android.R.color.transparent));
            Rect rect = new Rect((int) (TEXT_PADDING_TOP * density), (int) (frame.bottom + (float) TEXT_PADDING_TOP * density * 4), width - (int) (TEXT_PADDING_TOP * density), frame.bottom);
            canvas.drawRect(rect, paint);
            paint.setColor(Color.WHITE);
            paint.setTextSize(TEXT_SIZE * density);
            paint.setAlpha(0x90);
            paint.setTypeface(Typeface.create("System", Typeface.NORMAL));
            paint.setTextAlign(Paint.Align.CENTER);
            Paint.FontMetricsInt fontMetrics = paint.getFontMetricsInt();
            canvas.drawText("扫一扫", rect.centerX(), rect.centerY(), paint);
            Collection<ResultPoint> currentPossible = possibleResultPoints;
            Collection<ResultPoint> currentLast = lastPossibleResultPoints;
            if (currentPossible.isEmpty()) {
                lastPossibleResultPoints = null;
            } else {
                possibleResultPoints = new HashSet<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);
                    }*/
            /*
                }*/
            // ֻˢ��ɨ�������ݣ�����ط���ˢ��
            postInvalidateDelayed(ANIMATION_DELAY, frame.left, frame.top, frame.right, frame.bottom);
        }
    } catch (Exception e) {
        Log.e("扫一扫", e.getMessage());
    }
}

Example 68 with ResultPoint

use of com.google.zxing.ResultPoint in project krypton-android by kryptco.

the class AdminScan method onCreateView.

@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    final View v = inflater.inflate(R.layout.fragment_teams_invite_inperson_scan, container, false);
    lastScannedPayload.set(null);
    barcodeView = v.findViewById(R.id.camera_preview_in_person_scan);
    barcodeView.decodeContinuous(new BarcodeCallback() {

        @Override
        public void barcodeResult(BarcodeResult result) {
            if (result.getText() != null) {
                try {
                    Sigchain.MemberQRPayload qr = JSON.fromJson(result.getText(), Sigchain.QRPayload.class).memberQRPayload;
                    if (qr == null) {
                        Error.shortToast(getContext(), "Make sure you are scanning a member that is trying to join the team.");
                        return;
                    }
                    if (lastScannedPayload.compareAndSet(null, qr)) {
                        Transitions.beginSlide(AdminScan.this).addToBackStack(null).replace(R.id.fragmentOverlay, new AdminVerify()).commitAllowingStateLoss();
                    } else {
                        Log.i(TAG, "not first scan");
                    }
                } catch (JsonParseException e) {
                    Log.e(TAG, "could not parse QR code", e);
                    Error.shortToast(getContext(), "Invalid QR code");
                }
            }
        }

        @Override
        public void possibleResultPoints(List<ResultPoint> resultPoints) {
        }
    });
    AppCompatTextView detailText = v.findViewById(R.id.inPersonScanDetail);
    detailText.setText("Scan your team member's QR code to add them to your team.");
    return v;
}

Example 69 with ResultPoint

use of com.google.zxing.ResultPoint in project wechat by motianhuo.

the class ViewfinderView method onDraw.

@Override
public void onDraw(Canvas canvas) {
    Rect frame = CameraManager.get().getFramingRect();
    if (frame == 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(OPAQUE);
        canvas.drawBitmap(resultBitmap, frame.left, frame.top, paint);
    } else {
        int linewidht = 10;
        paint.setColor(frameColor);
        canvas.drawRect(15 + frame.left, 15 + frame.top, 15 + (linewidht + frame.left), 15 + (50 + frame.top), paint);
        canvas.drawRect(15 + frame.left, 15 + frame.top, 15 + (50 + frame.left), 15 + (linewidht + frame.top), paint);
        canvas.drawRect(-15 + ((0 - linewidht) + frame.right), 15 + frame.top, -15 + (1 + frame.right), 15 + (50 + frame.top), paint);
        canvas.drawRect(-15 + (-50 + frame.right), 15 + frame.top, -15 + frame.right, 15 + (linewidht + frame.top), paint);
        canvas.drawRect(15 + frame.left, -15 + (-49 + frame.bottom), 15 + (linewidht + frame.left), -15 + (1 + frame.bottom), paint);
        canvas.drawRect(15 + frame.left, -15 + ((0 - linewidht) + frame.bottom), 15 + (50 + frame.left), -15 + (1 + frame.bottom), paint);
        canvas.drawRect(-15 + ((0 - linewidht) + frame.right), -15 + (-49 + frame.bottom), -15 + (1 + frame.right), -15 + (1 + frame.bottom), paint);
        canvas.drawRect(-15 + (-50 + frame.right), -15 + ((0 - linewidht) + frame.bottom), -15 + frame.right, -15 + (linewidht - (linewidht - 1) + frame.bottom), paint);
        paint.setColor(laserColor);
        paint.setAlpha(SCANNER_ALPHA[scannerAlpha]);
        scannerAlpha = (scannerAlpha + 1) % SCANNER_ALPHA.length;
        // juns 2015年5月13日16:36:29 去掉中间+
        int vmiddle = frame.height() / 2 + frame.top;
        int hmiddle = frame.width() / 2 + frame.left;
        canvas.drawRect(frame.left + 2, vmiddle - 1, frame.right - 1, vmiddle + 2, paint);
        canvas.drawRect(hmiddle - 1, frame.top + 2, hmiddle + 2, frame.bottom - 1, paint);
        Collection<ResultPoint> currentPossible = possibleResultPoints;
        Collection<ResultPoint> currentLast = lastPossibleResultPoints;
        if (currentPossible.isEmpty()) {
            lastPossibleResultPoints = null;
        } else {
            possibleResultPoints = new HashSet<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);
            }
        }
        // Request another update at the animation interval, but only
        // repaint the laser line,
        // not the entire viewfinder mask.
        postInvalidateDelayed(ANIMATION_DELAY, frame.left, frame.top, frame.right, frame.bottom);
    }
}

Example 70 with ResultPoint

use of com.google.zxing.ResultPoint in project android-zxingLibrary by yipianfengye.

the class ViewfinderView method onDraw.

@Override
public void onDraw(Canvas canvas) {
    Rect frame = CameraManager.get().getFramingRect();
    if (frame == 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(OPAQUE);
        canvas.drawBitmap(resultBitmap, frame.left, frame.top, paint);
    } else {
        drawFrameBounds(canvas, frame);
        drawScanLight(canvas, frame);
        Collection<ResultPoint> currentPossible = possibleResultPoints;
        Collection<ResultPoint> currentLast = lastPossibleResultPoints;
        if (currentPossible.isEmpty()) {
            lastPossibleResultPoints = null;
        } else {
            possibleResultPoints = new HashSet<ResultPoint>(5);
            lastPossibleResultPoints = currentPossible;
            paint.setAlpha(OPAQUE);
            paint.setColor(resultPointColor);
            if (isCircle) {
                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);
            if (isCircle) {
                for (ResultPoint point : currentLast) {
                    canvas.drawCircle(frame.left + point.getX(), frame.top + point.getY(), 3.0f, paint);
                }
            }
        }
        postInvalidateDelayed(ANIMATION_DELAY, frame.left, frame.top, frame.right, frame.bottom);
    }
}