Ajout de la bibli SFML (A)

code/SFML-2.4.2/include/SFML/Graphics/Drawable.hpp

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+////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2017 Laurent Gomila (laurent@sfml-dev.org)
+//
+// 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_DRAWABLE_HPP
+#define SFML_DRAWABLE_HPP
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <SFML/Graphics/Export.hpp>
+#include <SFML/Graphics/RenderStates.hpp>
+
+
+namespace sf
+{
+class RenderTarget;
+
+////////////////////////////////////////////////////////////
+/// \brief Abstract base class for objects that can be drawn
+///        to a render target
+///
+////////////////////////////////////////////////////////////
+class SFML_GRAPHICS_API Drawable
+{
+public:
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Virtual destructor
+    ///
+    ////////////////////////////////////////////////////////////
+    virtual ~Drawable() {}
+
+protected:
+
+    friend class RenderTarget;
+
+    ////////////////////////////////////////////////////////////
+    /// \brief Draw the object to a render target
+    ///
+    /// This is a pure virtual function that has to be implemented
+    /// by the derived class to define how the drawable should be
+    /// drawn.
+    ///
+    /// \param target Render target to draw to
+    /// \param states Current render states
+    ///
+    ////////////////////////////////////////////////////////////
+    virtual void draw(RenderTarget& target, RenderStates states) const = 0;
+};
+
+} // namespace sf
+
+
+#endif // SFML_DRAWABLE_HPP
+
+
+////////////////////////////////////////////////////////////
+/// \class sf::Drawable
+/// \ingroup graphics
+///
+/// sf::Drawable is a very simple base class that allows objects
+/// of derived classes to be drawn to a sf::RenderTarget.
+///
+/// All you have to do in your derived class is to override the
+/// draw virtual function.
+///
+/// Note that inheriting from sf::Drawable is not mandatory,
+/// but it allows this nice syntax "window.draw(object)" rather
+/// than "object.draw(window)", which is more consistent with other
+/// SFML classes.
+///
+/// Example:
+/// \code
+/// class MyDrawable : public sf::Drawable
+/// {
+/// public:
+///
+///    ...
+///
+/// private:
+///
+///     virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const
+///     {
+///         // You can draw other high-level objects
+///         target.draw(m_sprite, states);
+///
+///         // ... or use the low-level API
+///         states.texture = &m_texture;
+///         target.draw(m_vertices, states);
+///
+///         // ... or draw with OpenGL directly
+///         glBegin(GL_QUADS);
+///         ...
+///         glEnd();
+///     }
+///
+///     sf::Sprite m_sprite;
+///     sf::Texture m_texture;
+///     sf::VertexArray m_vertices;
+/// };
+/// \endcode
+///
+/// \see sf::RenderTarget
+///
+////////////////////////////////////////////////////////////