COM_DilateErodeOperation.h

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/* SPDX-FileCopyrightText: 2011 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "COM_MultiThreadedOperation.h"
 
namespace blender::compositor {
 
class DilateErodeThresholdOperation : public MultiThreadedOperation {
 public:
  struct PixelData;
 
 private:
  float distance_;
  float switch_;
  float inset_;
 
  int scope_;
 
 public:
  /* DilateErode Distance Threshold */
  DilateErodeThresholdOperation();
 
  void init_data() override;
 
  void set_distance(float distance)
  {
    distance_ = distance;
  }
  void set_switch(float sw)
  {
    switch_ = sw;
  }
  void set_inset(float inset)
  {
    inset_ = inset;
  }
 
  void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
  void update_memory_buffer_partial(MemoryBuffer *output,
                                    const rcti &area,
                                    Span<MemoryBuffer *> inputs) override;
};
 
class DilateDistanceOperation : public MultiThreadedOperation {
 public:
  struct PixelData;
 
 protected:
  float distance_;
  int scope_;
 
 public:
  /* Dilate Distance. */
  DilateDistanceOperation();
 
  void init_data() override;
 
  void set_distance(float distance)
  {
    distance_ = distance;
  }
  void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) final;
  virtual void update_memory_buffer_partial(MemoryBuffer *output,
                                            const rcti &area,
                                            Span<MemoryBuffer *> inputs) override;
};
 
class ErodeDistanceOperation : public DilateDistanceOperation {
 public:
  /* Erode Distance */
  ErodeDistanceOperation();
 
  void update_memory_buffer_partial(MemoryBuffer *output,
                                    const rcti &area,
                                    Span<MemoryBuffer *> inputs) override;
};
 
class DilateStepOperation : public MultiThreadedOperation {
 protected:
  int iterations_;
 
 public:
  /* Dilate step */
  DilateStepOperation();
 
  void set_iterations(int iterations)
  {
    iterations_ = iterations;
  }
 
  void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) final;
  virtual void update_memory_buffer_partial(MemoryBuffer *output,
                                            const rcti &area,
                                            Span<MemoryBuffer *> inputs) override;
};
 
class ErodeStepOperation : public DilateStepOperation {
 public:
  ErodeStepOperation();
 
  void update_memory_buffer_partial(MemoryBuffer *output,
                                    const rcti &area,
                                    Span<MemoryBuffer *> inputs) override;
};
 
}  // namespace blender::compositor