61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
//Copyright (c) 2013-2015 United States Government as represented by the Administrator of the
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//National Aeronautics and Space Administration. All Rights Reserved.
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#ifndef XPC_DRAWING_H
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#define XPC_DRAWING_H
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#include <cstdlib>
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namespace XPC
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{
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typedef struct
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{
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double latitude;
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double longitude;
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double altitude;
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} Waypoint;
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/// Handles tasks that involve drawing to the screen in X-Plane.
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///
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/// \author Jason Watkins
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/// \version 1.0
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/// \since 1.0
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/// \date Intial Version: 2015-04-10
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/// \date Last Updated: 2015-04-10
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class Drawing
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{
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public:
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/// Clears the current message on the screen if any and unregisters the
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/// draw callback for message drawing.
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static void ClearMessage();
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/// Sets the message to be drawn on the screen.
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///
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/// \param x The x coordinate of the message relative to the left edge
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/// of the screen.
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/// \param y The y coordinate of the message relative to the bottom
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/// edge of the screen
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/// \param msg A C string containing the message to display. The message
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/// value is copied into a local buffer.
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static void SetMessage(int x, int y, char* msg);
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/// Adds the given waypoints to the list of waypoints to draw.
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///
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/// \param points A pointer to an array of waypoints.
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/// \param numPoints The number of points in the array.
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static void AddWaypoints(Waypoint points[], size_t numPoints);
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/// Removes all waypoints and unregisters the callback for waypoint
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/// drawing.
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static void ClearWaypoints();
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/// Removes the given waypoints from the list of waypoints to draw.
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/// If all waypoints are removed as a result of this action, unregisters
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/// the callback for waypoint drawing.
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///
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/// \param points A pointer to an array of waypoints.
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/// \param numPoints The number of points in the array.
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static void RemoveWaypoints(Waypoint points[], size_t numPoints);
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};
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}
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#endif
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