text: /*
   * 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.
   *
   * The Original Code is Copyright (C) 2006 Blender Foundation.
   * All rights reserved.
   */
  
  /** \file
   * \ingroup cmpnodes
   */
  
  #include "node_composite_util.h"
  
  #include "BKE_image.h"
  #include "BKE_global.h"
  
  /* **************** VIEWER ******************** */
  static bNodeSocketTemplate cmp_node_viewer_in[] = {
      {SOCK_RGBA, 1, N_("Image"), 0.0f, 0.0f, 0.0f, 1.0f},
      {SOCK_FLOAT, 1, N_("Alpha"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE},
      {SOCK_FLOAT, 1, N_("Z"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE},
      {-1, 0, ""}};
  
  static void node_composit_init_viewer(bNodeTree *UNUSED(ntree), bNode *node)
  {
    ImageUser *iuser = MEM_callocN(sizeof(ImageUser), "node image user");
    node->storage = iuser;
    iuser->sfra = 1;
    iuser->ok = 1;
    node->custom3 = 0.5f;
    node->custom4 = 0.5f;
  
    node->id = (ID *)BKE_image_verify_viewer(G.main, IMA_TYPE_COMPOSITE, "Viewer Node");
  }
  
  void register_node_type_cmp_viewer(void)
  {
    static bNodeType ntype;
  
    cmp_node_type_base(&ntype, CMP_NODE_VIEWER, "Viewer", NODE_CLASS_OUTPUT, NODE_PREVIEW);
    node_type_socket_templates(&ntype, cmp_node_viewer_in, NULL);
    node_type_init(&ntype, node_composit_init_viewer);
    node_type_storage(&ntype, "ImageUser", node_free_standard_storage, node_copy_standard_storage);
  
    node_type_internal_links(&ntype, NULL);
  
    nodeRegisterType(&ntype);
  }
  