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/************************************************************************
*
* Copyright (C) 2017-2023 IRCAD France
* Copyright (C) 2017 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "ui/history/image_diff_command.hpp"
#include <core/com/signal.hpp>
#include <core/com/signal.hxx>
#include <core/com/signals.hpp>
#include <core/type.hpp>
namespace sight::ui::history
{
//------------------------------------------------------------------------------
image_diff_command::image_diff_command(const data::image::sptr& _img, filter::image::image_diff _diff) :
m_img(_img),
m_modified_sig(_img->signal<data::image::buffer_modified_signal_t>(data::image::BUFFER_MODIFIED_SIG)),
m_diff(std::move(_diff))
{
m_diff.shrink();
}
//------------------------------------------------------------------------------
std::size_t image_diff_command::size() const
{
return sizeof(*this) + m_diff.size();
}
//------------------------------------------------------------------------------
bool image_diff_command::redo()
{
m_diff.apply_diff(m_img);
m_modified_sig->async_emit();
return true;
}
//------------------------------------------------------------------------------
bool image_diff_command::undo()
{
m_diff.revert_diff(m_img);
m_modified_sig->async_emit();
return true;
}
//------------------------------------------------------------------------------
std::string image_diff_command::get_description() const
{
return "image_diff";
}
} // namespace sight::ui::history
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