// Make sure the width is a multiple of the requested value, and no more
srcRoiSize.width += widthMultiple - 1 - (srcRoiSize.width - 1) % widthMultiple;
dstRoiSize.width = cvRound(srcRoiSize.width * fx);
// Make sure the width is a multiple of the requested value, and no more
srcRoiSize.width += widthMultiple - 1 - (srcRoiSize.width - 1) % widthMultiple;
dstRoiSize.width = cvRound(srcRoiSize.width * fx);