source/blender/compositor/nodes/COM_CornerPinNode.cpp

   1 /*
   2  * Copyright 2014, 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  *      Lukas Toenne
  20  */
  21
  22 #include "COM_CornerPinNode.h"
  23 #include "COM_ExecutionSystem.h"
  24
  25 #include "COM_PlaneCornerPinOperation.h"
  26
  27 CornerPinNode::CornerPinNode(bNode *editorNode) : Node(editorNode)
  28 {
  29 }
  30
  31 void CornerPinNode::convertToOperations(NodeConverter &converter, const CompositorContext &/*context*/) const
  32 {
  33         NodeInput *input_image = this->getInputSocket(0);
  34         /* note: socket order differs between UI node and operations:
  35          * bNode uses intuitive order following top-down layout:
  36          *   upper-left, upper-right, lower-left, lower-right
  37          * Operations use same order as the tracking blenkernel functions expect:
  38          *   lower-left, lower-right, upper-right, upper-left
  39          */
  40         const int node_corner_index[4] = { 3, 4, 2, 1 };
  41
  42         NodeOutput *output_warped_image = this->getOutputSocket(0);
  43         NodeOutput *output_plane = this->getOutputSocket(1);
  44
  45         PlaneCornerPinWarpImageOperation *warp_image_operation = new PlaneCornerPinWarpImageOperation();
  46         converter.addOperation(warp_image_operation);
  47         PlaneCornerPinMaskOperation *plane_mask_operation = new PlaneCornerPinMaskOperation();
  48         converter.addOperation(plane_mask_operation);
  49
  50         converter.mapInputSocket(input_image, warp_image_operation->getInputSocket(0));
  51         for (int i = 0; i < 4; ++i) {
  52                 NodeInput *corner_input = getInputSocket(node_corner_index[i]);
  53                 converter.mapInputSocket(corner_input, warp_image_operation->getInputSocket(i + 1));
  54                 converter.mapInputSocket(corner_input, plane_mask_operation->getInputSocket(i));
  55         }
  56         converter.mapOutputSocket(output_warped_image, warp_image_operation->getOutputSocket());
  57         converter.mapOutputSocket(output_plane, plane_mask_operation->getOutputSocket());
  58 }