pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/gui/building/MeasureItem.hh

76 lines
2.1 KiB
C++

/*
* Copyright (C) 2014 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _GAZEBO_GUI_BUILDING_MEASUREITEM_HH_
#define _GAZEBO_GUI_BUILDING_MEASUREITEM_HH_
#include <memory>
#include <ignition/math/Vector2.hh>
#include "gazebo/gui/qt.h"
#include "gazebo/gui/building/SegmentItem.hh"
#include "gazebo/util/system.hh"
namespace gazebo
{
namespace gui
{
// Forward declare private data.
class MeasureItemPrivate;
/// \addtogroup gazebo_gui
/// \{
/// \class MeasureItem MeasureItem.hh
/// \brief Measurement lines and values.
class GZ_GUI_VISIBLE MeasureItem : public SegmentItem
{
Q_OBJECT
/// \brief Constructor
/// param[in] _start Start position of the measure item in pixel
/// coordinates.
/// param[in] _end End position of the measure item in pixel coordinates.
public: MeasureItem(const ignition::math::Vector2d &_start,
const ignition::math::Vector2d &_end);
/// \brief Destructor
public: ~MeasureItem();
// Documentation inherited
private: virtual void paint(QPainter *_painter,
const QStyleOptionGraphicsItem *_option, QWidget *_widget);
/// \brief Get distance between end points
/// \return Distance between end points.
public: double Distance() const;
/// \brief Set value in meters
/// \param[in] _value Value measured in meters.
public: void SetValue(double _value);
/// \internal
/// \brief Pointer to private data.
private: std::unique_ptr<MeasureItemPrivate> dataPtr;
};
/// \}
}
}
#endif