COM_MixNode.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_MixNode.h"
 
#include "COM_MixOperation.h"
 
#include "COM_ExecutionSystem.h"
#include "COM_SetValueOperation.h"
#include "DNA_material_types.h" /* the ramp types */
 
namespace blender::compositor {
 
MixNode::MixNode(bNode *editorNode) : Node(editorNode)
{
  /* pass */
}
 
void MixNode::convertToOperations(NodeConverter &converter,
                                  const CompositorContext & /*context*/) const
{
  NodeInput *valueSocket = this->getInputSocket(0);
  NodeInput *color1Socket = this->getInputSocket(1);
  NodeInput *color2Socket = this->getInputSocket(2);
  NodeOutput *outputSocket = this->getOutputSocket(0);
  bNode *editorNode = this->getbNode();
  bool useAlphaPremultiply = (this->getbNode()->custom2 & 1) != 0;
  bool useClamp = (this->getbNode()->custom2 & 2) != 0;
 
  MixBaseOperation *convertProg;
  switch (editorNode->custom1) {
    case MA_RAMP_ADD:
      convertProg = new MixAddOperation();
      break;
    case MA_RAMP_MULT:
      convertProg = new MixMultiplyOperation();
      break;
    case MA_RAMP_LIGHT:
      convertProg = new MixLightenOperation();
      break;
    case MA_RAMP_BURN:
      convertProg = new MixColorBurnOperation();
      break;
    case MA_RAMP_HUE:
      convertProg = new MixHueOperation();
      break;
    case MA_RAMP_COLOR:
      convertProg = new MixColorOperation();
      break;
    case MA_RAMP_SOFT:
      convertProg = new MixSoftLightOperation();
      break;
    case MA_RAMP_SCREEN:
      convertProg = new MixScreenOperation();
      break;
    case MA_RAMP_LINEAR:
      convertProg = new MixLinearLightOperation();
      break;
    case MA_RAMP_DIFF:
      convertProg = new MixDifferenceOperation();
      break;
    case MA_RAMP_SAT:
      convertProg = new MixSaturationOperation();
      break;
    case MA_RAMP_DIV:
      convertProg = new MixDivideOperation();
      break;
    case MA_RAMP_SUB:
      convertProg = new MixSubtractOperation();
      break;
    case MA_RAMP_DARK:
      convertProg = new MixDarkenOperation();
      break;
    case MA_RAMP_OVERLAY:
      convertProg = new MixOverlayOperation();
      break;
    case MA_RAMP_VAL:
      convertProg = new MixValueOperation();
      break;
    case MA_RAMP_DODGE:
      convertProg = new MixDodgeOperation();
      break;
 
    case MA_RAMP_BLEND:
    default:
      convertProg = new MixBlendOperation();
      break;
  }
  convertProg->setUseValueAlphaMultiply(useAlphaPremultiply);
  convertProg->setUseClamp(useClamp);
  converter.addOperation(convertProg);
 
  converter.mapInputSocket(valueSocket, convertProg->getInputSocket(0));
  converter.mapInputSocket(color1Socket, convertProg->getInputSocket(1));
  converter.mapInputSocket(color2Socket, convertProg->getInputSocket(2));
  converter.mapOutputSocket(outputSocket, convertProg->getOutputSocket(0));
 
  converter.addPreview(convertProg->getOutputSocket(0));
}
 
}  // namespace blender::compositor