e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
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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