pxmlw6n2f/Gazebo_Distributed_MPI/gazebo/rendering/UserCamera.hh

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C++

/*
* Copyright (C) 2012 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_USERCAMERA_HH_
#define _GAZEBO_USERCAMERA_HH_
#include <string>
#include <vector>
#include "gazebo/rendering/Camera.hh"
#include "gazebo/rendering/RenderTypes.hh"
#include "gazebo/common/CommonTypes.hh"
#include "gazebo/util/system.hh"
namespace gazebo
{
class UserCameraPrivate;
namespace rendering
{
/// \addtogroup gazebo_rendering
/// \{
/// \class UserCamera UserCamera.hh rendering/rendering.hh
/// \brief A camera used for user visualization of a scene
class GZ_RENDERING_VISIBLE UserCamera : public Camera
{
/// \brief Constructor
/// \param[in] _name Name of the camera.
/// \param[in] _scene Scene to put the camera in.
/// \param[in] _stereoEnabled True to enable stereo rendering. This is
/// here for compatibility with 3D monitors/TVs.
public: UserCamera(const std::string &_name, ScenePtr _scene,
bool _stereoEnabled = false);
/// \brief Destructor
public: virtual ~UserCamera();
/// \brief Load the user camera.
/// \param[in] _sdf Parameters for the camera.
public: void Load(sdf::ElementPtr _sdf);
// Documentation inherited
public: virtual void SetClipDist(float _near, float _far);
/// \brief Generic load function
public: void Load();
/// \brief Initialize
public: void Init();
/// \brief Render the camera
public: virtual void Update();
/// \brief Post render
public: virtual void PostRender();
/// \brief Finialize
public: void Fini();
/// \brief Set the pose in the world coordinate frame.
/// \param[in] _pose New pose of the camera.
public: virtual void SetWorldPose(const math::Pose &_pose);
/// \brief Set the default pose in the world coordinate frame and set
/// that as the current camera world pose.
/// \param[in] _pose New default pose of the camera.
public: void SetDefaultPose(const math::Pose &_pose);
/// \brief Get the default pose in the world coordinate frame.
/// \return Default pose of the camera.
public: math::Pose DefaultPose() const;
/// \brief Handle a mouse event.
/// \param[in] _evt The mouse event.
public: void HandleMouseEvent(const common::MouseEvent &_evt);
/// \brief Handle a key press.
/// \param[in] _key The key pressed.
public: void HandleKeyPressEvent(const std::string &_key);
/// \brief Handle a key release.
/// \param[in] _key The key released.
public: void HandleKeyReleaseEvent(const std::string &_key);
/// \brief Set view controller.
/// \param[in] _type The type of view controller: "orbit", "fps"
public: void SetViewController(const std::string &_type);
/// \brief Set view controller
/// \param[in] _type The type of view controller: "orbit", "fps"
/// \param[in] _pos The initial pose of the camera.
public: void SetViewController(const std::string &_type,
const math::Vector3 &_pos);
/// \brief Get current view controller type.
/// \return Type of the current view controller: "orbit", "fps"
public: std::string GetViewControllerTypeString();
/// \brief Resize the camera.
/// \param[in] _w Width of the camera image.
/// \param[in] _h Height of the camera image.
public: void Resize(unsigned int _w, unsigned int _h);
/// \brief Set the dimensions of the viewport.
/// \param[in] _x X position of the viewport.
/// \param[in] _y Y position of the viewport.
/// \param[in] _w Width of the viewport.
/// \param[in] _h Height of the viewport.
public: void SetViewportDimensions(float _x, float _y,
float _w, float _h);
/// \brief Move the camera to focus on a visual.
/// \param[in] _visual Visual to move the camera to.
public: void MoveToVisual(VisualPtr _visual);
// Doxygen automatically pulls in the correct documentation.
public: virtual bool MoveToPosition(const math::Pose &_pose,
double _time);
/// \brief Move the camera to focus on a visual.
/// \param[in] _visualName Name of the visual to move the camera to.
public: void MoveToVisual(const std::string &_visualName);
/// \brief Set to true to enable rendering
///
/// Use this only if you really know what you're doing.
/// \param[in] _target The new rendering target.
public: virtual void SetRenderTarget(Ogre::RenderTarget *_target);
/// \brief Set whether the view controller is enabled.
///
/// The view controller is used to handle user camera movements.
/// \param[in] _value True to enable viewcontroller, False to
/// disable.
public: void EnableViewController(bool _value) const;
/// \brief Get an entity at a pixel location using a camera. Used for
/// mouse picking.
/// \param[in] _mousePos The position of the mouse in screen coordinates
/// \param[out] _mod Used for object manipulation
/// \return The selected entity, or NULL
public: VisualPtr GetVisual(const math::Vector2i &_mousePos,
std::string &_mod);
/// \brief Get a visual at a mouse position
/// \param[in] _mousePos 2D position of the mouse in pixels.
public: VisualPtr GetVisual(const math::Vector2i &_mousePos) const;
/// \brief Set the point the camera should orbit around.
/// \param[in] _pt The focal point
public: void SetFocalPoint(const math::Vector3 &_pt);
// Documentation inherited
public: virtual unsigned int GetImageWidth() const;
// Documentation inherited
public: virtual unsigned int GetImageHeight() const;
/// brief Show if the user camera pose has changed in the world file.
/// return true if the camera pose changed in the world file.
public: bool IsCameraSetInWorldFile();
/// brief Set if the user camera pose has changed in the world file.
/// \param[in] _value True if the camera pose changed in the world file.
public: void SetUseSDFPose(bool _value);
/// brief Enable or disable camera control through ~/user_camera/joy_twist
/// gz topic. Defaults to true.
/// \param[in] _value True to enable camera pose control by
/// gz topic ~/user_camera/joy_twist.
public: void SetJoyTwistControl(bool _value);
/// brief Enable or disable camera control through ~/user_camera/joy_pose
/// gz topic. Defaults to true.
/// \param[in] _value True to enable camera pose control by
/// gz topic ~/user_camera/joy_pose.
public: void SetJoyPoseControl(bool _value);
/// \brief Get whether stereo is enabled.
/// \return True if stereo is enabled.
public: bool StereoEnabled() const;
/// \brief Turn on/off stereo rendering. Stereo must be initially
/// enable in the ~/.gazebo/gui.ini file using:
///
/// [rendering]
/// stereo=1
///
/// \param[in] _enable True to turn on stereo, false to turn off.
public: void EnableStereo(bool _enable);
// Documentation inherited.
public: virtual bool SetProjectionType(const std::string &_type);
/// \brief Set the camera to be attached to a visual.
///
/// This causes the camera to move in relation to the specified visual.
/// \param[in] _visual The visual to attach to.
/// \param[in] _inheritOrientation True if the camera should also
/// rotate when the visual rotates.
/// \param[in] _minDist Minimum distance the camera can get to the
/// visual.
/// \param[in] _maxDist Maximum distance the camera can get from the
/// visual.
/// \return True if successfully attach to the visual.
protected: virtual bool AttachToVisualImpl(VisualPtr _visual,
bool _inheritOrientation, double _minDist = 0,
double _maxDist = 0);
// Documentation inherited.
protected: virtual void AnimationComplete();
/// \brief Set the camera to track a scene node.
///
/// Tracking just causes the camera to rotate to follow the visual.
/// \param[in] _visual Visual to track.
/// \return True if the camera is now tracking the visual.
protected: virtual bool TrackVisualImpl(VisualPtr _visual);
// Documentation inherited.
protected: virtual void UpdateFOV();
/// \brief Toggle whether to show the visual.
private: void ToggleShowVisual();
/// \brief Set whether to show the visual.
/// \param[in] _show True to show the visual representation for this
/// camera. Currently disabled.
private: void ShowVisual(bool _show);
/// \brief Callback used when the camera has finished moving to
/// a visual.
private: void OnMoveToVisualComplete();
/// \brief Handles incoming relative joystick messages.
/// Incoming joystick messages are used to control
/// translation and rotation rates of the camera position.
/// \param[in] _msg New joystick message.
private: void OnJoyTwist(ConstJoystickPtr &_msg);
/// \brief Handles incoming absolute joystick messages.
/// Incoming joystick messages are used to control
/// camera's world pose.
/// \param[in] _msg New pose message.
private: void OnJoyPose(ConstPosePtr &_msg);
/// \internal
/// \brief Pointer to private data.
private: UserCameraPrivate *dataPtr;
};
/// \}
}
}
#endif