COM_CalculateStandardDeviationOperation.h

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/* SPDX-FileCopyrightText: 2011 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "COM_CalculateMeanOperation.h"
#include "COM_NodeOperation.h"
#include "DNA_node_types.h"
 
namespace blender::compositor {

class CalculateStandardDeviationOperation : public CalculateMeanOperation {
 protected:
  float standard_deviation_;
 
  float calculate_value(const MemoryBuffer *input) const override;
 
 private:
  PixelsSum calc_area_sum(const MemoryBuffer *input, const rcti &area, float mean) const;
};
 
}  // namespace blender::compositor