private void mapImagePointsByImageMatrix() {
    mImagePoints[0] = 0;
    mImagePoints[1] = 0;
    mImagePoints[2] = mBitmap.getWidth();
    mImagePoints[3] = 0;
    mImagePoints[4] = mBitmap.getWidth();
    mImagePoints[5] = mBitmap.getHeight();
    mImagePoints[6] = 0;
    mImagePoints[7] = mBitmap.getHeight();
    mImageMatrix.mapPoints(mImagePoints);
    mScaleImagePoints[0] = 0;
    mScaleImagePoints[1] = 0;
    mScaleImagePoints[2] = 100;
    mScaleImagePoints[3] = 0;
    mScaleImagePoints[4] = 100;
    mScaleImagePoints[5] = 100;
    mScaleImagePoints[6] = 0;
    mScaleImagePoints[7] = 100;
    mImageMatrix.mapPoints(mScaleImagePoints);
  }
Adjust the given image rectangle by image transformation matrix to know the final rectangle of
the image.<br>
To get the proper rectangle it must be first reset to original image rectangle.
core/src/main/java/com/theartofdev/edmodo/cropper/CropImageView.java