FaceDetector.java 文件源码

private void saveFace(final int x, final int y, final int r, final int b) {
    if (DEBUG) Log.d(TAG, "[saveFace()]");
    new Thread(new Runnable() {
        @Override
        public void run() {
            synchronized (mVideoSource) {
                mImageYuv = new YuvImage(mVideoSource, ImageFormat.NV21, CameraWrapper.IMAGE_WIDTH, CameraWrapper.IMAGE_HEIGHT, null);
            }
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            mImageYuv.compressToJpeg(new Rect(0, 0, CameraWrapper.IMAGE_WIDTH, CameraWrapper.IMAGE_HEIGHT), 100, stream);
            Bitmap bitmap = BitmapFactory.decodeByteArray(stream.toByteArray(), 0, stream.size());

            int left = (x > 0) ? x : 0;
            int top = (y > 0) ? y : 0;
            int creatW = (r < CameraWrapper.IMAGE_WIDTH) ? (r - x) : (CameraWrapper.IMAGE_HEIGHT - x - 1);
            int creatH = (b < CameraWrapper.IMAGE_WIDTH) ? (b - y) : (CameraWrapper.IMAGE_HEIGHT - y - 1);

            mImage = Bitmap.createBitmap(bitmap, left, top, creatW, creatH, null, false);
            if (DEBUG) Log.d(TAG, "[saveFace()] x:" + x + "  y:" + y + "\n" +
                    "[saveFace()] h:" + mImage.getHeight() + "  w:" + mImage.getWidth());
            if (null != mImage)
                FaceUtil.saveBitmapToFile(mImage);
        }
    }).start();
}