node_composite_switch.cc

Go to the documentation of this file.

/* SPDX-FileCopyrightText: 2006 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#include "UI_interface.hh"
#include "UI_resources.hh"
 
#include "COM_node_operation.hh"
 
#include "node_composite_util.hh"
 
/* **************** Switch ******************** */
 
namespace blender::nodes::node_composite_switch_cc {
 
static void cmp_node_switch_declare(NodeDeclarationBuilder &b)
{
  b.add_input<decl::Bool>("Switch").default_value(false).compositor_expects_single_value();
  b.add_input<decl::Color>("Off")
      .default_value({0.8f, 0.8f, 0.8f, 1.0f})
      .compositor_realization_mode(CompositorInputRealizationMode::None);
  b.add_input<decl::Color>("On")
      .default_value({0.8f, 0.8f, 0.8f, 1.0f})
      .compositor_realization_mode(CompositorInputRealizationMode::None);
 
  b.add_output<decl::Color>("Image");
}
 
using namespace blender::compositor;
 
class SwitchOperation : public NodeOperation {
 public:
  using NodeOperation::NodeOperation;
 
  void execute() override
  {
    const Result &input = this->get_input(this->get_condition() ? "On" : "Off");
    Result &output = this->get_result("Image");
    output.share_data(input);
  }
 
  bool get_condition()
  {
    return this->get_input("Switch").get_single_value_default(false);
  }
};
 
static NodeOperation *get_compositor_operation(Context &context, DNode node)
{
  return new SwitchOperation(context, node);
}
 
}  // namespace blender::nodes::node_composite_switch_cc
 
static void register_node_type_cmp_switch()
{
  namespace file_ns = blender::nodes::node_composite_switch_cc;
 
  static blender::bke::bNodeType ntype;
 
  cmp_node_type_base(&ntype, "CompositorNodeSwitch", CMP_NODE_SWITCH);
  ntype.ui_name = "Switch";
  ntype.ui_description = "Switch between two images using a checkbox";
  ntype.enum_name_legacy = "SWITCH";
  ntype.nclass = NODE_CLASS_CONVERTER;
  ntype.declare = file_ns::cmp_node_switch_declare;
  blender::bke::node_type_size_preset(ntype, blender::bke::eNodeSizePreset::Default);
  ntype.get_compositor_operation = file_ns::get_compositor_operation;
 
  blender::bke::node_register_type(ntype);
}
NOD_REGISTER_NODE(register_node_type_cmp_switch)