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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include "BLI_string_ref.hh"
#include "NOD_derived_node_tree.hh"
#include "COM_context.hh"
#include "COM_operation.hh"
#include "COM_result.hh"
namespace blender::realtime_compositor {
using namespace nodes::derived_node_tree_types;
/* ------------------------------------------------------------------------------------------------
* Input Single Value Operation
*
* An input single value operation is an operation that outputs a single value result whose value
* is the value of an unlinked input socket. This is typically used to initialize the values of
* unlinked node input sockets. */
class InputSingleValueOperation : public Operation {
private:
/* The identifier of the output. */
static const StringRef output_identifier_;
/* The input socket whose value will be computed as the operation's result. */
DInputSocket input_socket_;
public:
InputSingleValueOperation(Context &context, DInputSocket input_socket);
/* Allocate a single value result and set its value to the default value of the input socket. */
void execute() override;
/* Get a reference to the output result of the operation, this essentially calls the super
* get_result with the output identifier of the operation. */
Result &get_result();
private:
/* Populate the result of the operation, this essentially calls the super populate_result method
* with the output identifier of the operation. */
void populate_result(Result result);
};
} // namespace blender::realtime_compositor
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