COM_ChannelMatteOperation.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 2012, Blender Foundation.
 */
 
#pragma once
 
#include "COM_MixOperation.h"
 
namespace blender::compositor {
 
class ChannelMatteOperation : public NodeOperation {
 private:
  SocketReader *m_inputImageProgram;
 
  /* int m_color_space; */ /* node->custom1 */ /* UNUSED */ /* TODO ? */
  int m_matte_channel;                                      /* node->custom2 */
  int m_limit_method;                                       /* node->algorithm */
  int m_limit_channel;                                      /* node->channel */
  float m_limit_max;                                        /* node->storage->t1 */
  float m_limit_min;                                        /* node->storage->t2 */
 
  float m_limit_range;
 
  int m_ids[3];
 
 public:
  ChannelMatteOperation();
 
  void executePixelSampled(float output[4], float x, float y, PixelSampler sampler) override;
 
  void initExecution() override;
  void deinitExecution() override;
 
  void setSettings(NodeChroma *nodeChroma, const int custom2)
  {
    this->m_limit_max = nodeChroma->t1;
    this->m_limit_min = nodeChroma->t2;
    this->m_limit_method = nodeChroma->algorithm;
    this->m_limit_channel = nodeChroma->channel;
    this->m_matte_channel = custom2;
  }
};
 
}  // namespace blender::compositor