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