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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. */
#pragma once
#include "COM_CalculateMeanOperation.h"
#include "COM_NodeOperation.h"
#include "DNA_node_types.h"
namespace blender::compositor {
/**
* \brief base class of CalculateStandardDeviation,
* implementing the simple CalculateStandardDeviation.
* \ingroup operation
*/
class CalculateStandardDeviationOperation : public CalculateMeanOperation {
protected:
float standard_deviation_;
public:
/**
* The inner loop of this operation.
*/
void execute_pixel(float output[4], int x, int y, void *data) override;
void *initialize_tile_data(rcti *rect) override;
void update_memory_buffer_started(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
private:
PixelsSum calc_area_sum(const MemoryBuffer *input, const rcti &area, float mean);
};
} // namespace blender::compositor
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