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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#pragma once
#include "COM_NodeOperation.h"
namespace blender::compositor {
class InpaintSimpleOperation : public NodeOperation {
protected:
/**
* Cached reference to the input_program
*/
SocketReader *input_image_program_;
int iterations_;
float *cached_buffer_;
bool cached_buffer_ready_;
int *pixelorder_;
int area_size_;
short *manhattan_distance_;
public:
/** In-paint (simple convolve using average of known pixels). */
InpaintSimpleOperation();
/**
* The inner loop of this operation.
*/
void execute_pixel(float output[4], int x, int y, void *data) override;
/**
* Initialize the execution
*/
void init_execution() override;
void *initialize_tile_data(rcti *rect) override;
/**
* Deinitialize the execution
*/
void deinit_execution() override;
void set_iterations(int iterations)
{
iterations_ = iterations;
}
bool determine_depending_area_of_interest(rcti *input,
ReadBufferOperation *read_operation,
rcti *output) override;
void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
void update_memory_buffer(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
private:
void calc_manhattan_distance();
void clamp_xy(int &x, int &y);
float *get_pixel(int x, int y);
int mdist(int x, int y);
bool next_pixel(int &x, int &y, int &curr, int iters);
void pix_step(int x, int y);
};
} // namespace blender::compositor
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