COM_CombineColorNode.cc

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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.
 */
 
#include "COM_CombineColorNode.h"
 
#include "COM_ConvertOperation.h"
 
namespace blender::compositor {
 
CombineColorNode::CombineColorNode(bNode *editorNode) : Node(editorNode)
{
}
 
void CombineColorNode::convertToOperations(NodeConverter &converter,
                                           const CompositorContext &context) const
{
  NodeInput *inputRSocket = this->getInputSocket(0);
  NodeInput *inputGSocket = this->getInputSocket(1);
  NodeInput *inputBSocket = this->getInputSocket(2);
  NodeInput *inputASocket = this->getInputSocket(3);
  NodeOutput *outputSocket = this->getOutputSocket(0);
 
  CombineChannelsOperation *operation = new CombineChannelsOperation();
  if (inputRSocket->isLinked()) {
    operation->setResolutionInputSocketIndex(0);
  }
  else if (inputGSocket->isLinked()) {
    operation->setResolutionInputSocketIndex(1);
  }
  else if (inputBSocket->isLinked()) {
    operation->setResolutionInputSocketIndex(2);
  }
  else {
    operation->setResolutionInputSocketIndex(3);
  }
  converter.addOperation(operation);
 
  converter.mapInputSocket(inputRSocket, operation->getInputSocket(0));
  converter.mapInputSocket(inputGSocket, operation->getInputSocket(1));
  converter.mapInputSocket(inputBSocket, operation->getInputSocket(2));
  converter.mapInputSocket(inputASocket, operation->getInputSocket(3));
 
  NodeOperation *color_conv = getColorConverter(context);
  if (color_conv) {
    converter.addOperation(color_conv);
 
    converter.addLink(operation->getOutputSocket(), color_conv->getInputSocket(0));
    converter.mapOutputSocket(outputSocket, color_conv->getOutputSocket());
  }
  else {
    converter.mapOutputSocket(outputSocket, operation->getOutputSocket());
  }
}
 
NodeOperation *CombineRGBANode::getColorConverter(const CompositorContext & /*context*/) const
{
  return nullptr; /* no conversion needed */
}
 
NodeOperation *CombineHSVANode::getColorConverter(const CompositorContext & /*context*/) const
{
  return new ConvertHSVToRGBOperation();
}
 
NodeOperation *CombineYCCANode::getColorConverter(const CompositorContext & /*context*/) const
{
  ConvertYCCToRGBOperation *operation = new ConvertYCCToRGBOperation();
  bNode *editorNode = this->getbNode();
  operation->setMode(editorNode->custom1);
  return operation;
}
 
NodeOperation *CombineYUVANode::getColorConverter(const CompositorContext & /*context*/) const
{
  return new ConvertYUVToRGBOperation();
}
 
}  // namespace blender::compositor