source/blender/compositor/operations/COM_DistanceYCCMatteOperation.cc


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/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 2011 Blender Foundation. */

#include "COM_DistanceYCCMatteOperation.h"

namespace blender::compositor {

float DistanceYCCMatteOperation::calculate_distance(const float key[4], const float image[4])
{
  /* only measure the second 2 values */
  return len_v2v2(key + 1, image + 1);
}

}  // namespace blender::compositor