COM_InpaintOperation.h

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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:
  SocketReader *m_inputImageProgram;
 
  int m_iterations;
 
  float *m_cached_buffer;
  bool m_cached_buffer_ready;
 
  int *m_pixelorder;
  int m_area_size;
  short *m_manhattan_distance;
 
 public:
  InpaintSimpleOperation();
 
  void executePixel(float output[4], int x, int y, void *data) override;
 
  void initExecution() override;
 
  void *initializeTileData(rcti *rect) override;
  void deinitExecution() override;
 
  void setIterations(int iterations)
  {
    this->m_iterations = iterations;
  }
 
  bool determineDependingAreaOfInterest(rcti *input,
                                        ReadBufferOperation *readOperation,
                                        rcti *output) 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