source/blender/compositor/nodes/COM_ZCombineNode.cpp

   1 /*
   2  * Copyright 2011, Blender Foundation.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * Contributor:
  19  *              Jeroen Bakker
  20  *              Monique Dewanchand
  21  */
  22
  23 #include "COM_ZCombineNode.h"
  24
  25 #include "COM_ZCombineOperation.h"
  26
  27 #include "COM_ExecutionSystem.h"
  28 #include "COM_SetValueOperation.h"
  29 #include "COM_MathBaseOperation.h"
  30
  31 #include "DNA_material_types.h" // the ramp types
  32
  33 void ZCombineNode::convertToOperations(ExecutionSystem* system, CompositorContext * context) {
  34         if (this->getOutputSocket(0)->isConnected()) {
  35                 ZCombineOperation * operation = NULL;
  36                 if (this->getbNode()->custom1) {
  37                         operation = new ZCombineAlphaOperation();
  38                 }
  39                 else {
  40                         operation = new ZCombineOperation();
  41                 }
  42
  43                 this->getInputSocket(0)->relinkConnections(operation->getInputSocket(0), true, 0, system);
  44                 this->getInputSocket(1)->relinkConnections(operation->getInputSocket(1), true, 1, system);
  45                 this->getInputSocket(2)->relinkConnections(operation->getInputSocket(2), true, 2, system);
  46                 this->getInputSocket(3)->relinkConnections(operation->getInputSocket(3), true, 3, system);
  47                 this->getOutputSocket(0)->relinkConnections(operation->getOutputSocket());
  48                 system->addOperation(operation);
  49                 if (this->getOutputSocket(1)->isConnected()) {
  50                         MathMinimumOperation * zoperation = new MathMinimumOperation();
  51                         addLink(system, operation->getInputSocket(1)->getConnection()->getFromSocket(), zoperation->getInputSocket(0));
  52                         addLink(system, operation->getInputSocket(3)->getConnection()->getFromSocket(), zoperation->getInputSocket(1));
  53                         this->getOutputSocket(1)->relinkConnections(zoperation->getOutputSocket());
  54                         system->addOperation(zoperation);
  55                 }
  56         }
  57         else {
  58                 if (this->getOutputSocket(1)->isConnected()) {
  59                         MathMinimumOperation * zoperation = new MathMinimumOperation();
  60                         this->getInputSocket(1)->relinkConnections(zoperation->getInputSocket(0), true, 1, system);
  61                         this->getInputSocket(3)->relinkConnections(zoperation->getInputSocket(1), true, 3, system);
  62                         this->getOutputSocket(1)->relinkConnections(zoperation->getOutputSocket());
  63                         system->addOperation(zoperation);
  64                 }
  65         }
  66 }