/usr/include/SFML/Graphics/ConvexShape.hpp is in libsfml-dev 2.1+dfsg-4ubuntu2.
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//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2013 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_CONVEXSHAPE_HPP
#define SFML_CONVEXSHAPE_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Graphics/Export.hpp>
#include <SFML/Graphics/Shape.hpp>
#include <vector>
namespace sf
{
////////////////////////////////////////////////////////////
/// \brief Specialized shape representing a convex polygon
///
////////////////////////////////////////////////////////////
class SFML_GRAPHICS_API ConvexShape : public Shape
{
public :
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
/// \param pointCount Number of points of the polygon
///
////////////////////////////////////////////////////////////
explicit ConvexShape(unsigned int pointCount = 0);
////////////////////////////////////////////////////////////
/// \brief Set the number of points of the polygon
///
/// \a count must be greater than 2 to define a valid shape.
///
/// \param count New number of points of the polygon
///
/// \see getPointCount
///
////////////////////////////////////////////////////////////
void setPointCount(unsigned int count);
////////////////////////////////////////////////////////////
/// \brief Get the number of points of the polygon
///
/// \return Number of points of the polygon
///
/// \see setPointCount
///
////////////////////////////////////////////////////////////
virtual unsigned int getPointCount() const;
////////////////////////////////////////////////////////////
/// \brief Set the position of a point
///
/// Don't forget that the polygon must remain convex, and
/// the points need to stay ordered!
/// setPointCount must be called first in order to set the total
/// number of points. The result is undefined if \a index is out
/// of the valid range.
///
/// \param index Index of the point to change, in range [0 .. getPointCount() - 1]
/// \param point New position of the point
///
/// \see getPoint
///
////////////////////////////////////////////////////////////
void setPoint(unsigned int index, const Vector2f& point);
////////////////////////////////////////////////////////////
/// \brief Get the position of a point
///
/// The result is undefined if \a index is out of the valid range.
///
/// \param index Index of the point to get, in range [0 .. getPointCount() - 1]
///
/// \return Position of the index-th point of the polygon
///
/// \see setPoint
///
////////////////////////////////////////////////////////////
virtual Vector2f getPoint(unsigned int index) const;
private :
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
std::vector<Vector2f> m_points; ///< Points composing the convex polygon
};
} // namespace sf
#endif // SFML_CONVEXSHAPE_HPP
////////////////////////////////////////////////////////////
/// \class sf::ConvexShape
/// \ingroup graphics
///
/// This class inherits all the functions of sf::Transformable
/// (position, rotation, scale, bounds, ...) as well as the
/// functions of sf::Shape (outline, color, texture, ...).
///
/// It is important to keep in mind that a convex shape must
/// always be... convex, otherwise it may not be drawn correctly.
/// Moreover, the points must be defined in order; using a random
/// order would result in an incorrect shape.
///
/// Usage example:
/// \code
/// sf::ConvexShape polygon;
/// polygon.setPointCount(3);
/// polygon.setPoint(0, sf::Vector2f(0, 0));
/// polygon.setPoint(1, sf::Vector2f(0, 10));
/// polygon.setPoint(2, sf::Vector2f(25, 5));
/// polygon.setOutlineColor(sf::Color::Red);
/// polygon.setOutlineThickness(5);
/// polygon.setPosition(10, 20);
/// ...
/// window.draw(polygon);
/// \endcode
///
/// \see sf::Shape, sf::RectangleShape, sf::CircleShape
///
////////////////////////////////////////////////////////////
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