Transformable.hpp

//
// TGUI - Texus's Graphical User Interface
// Copyright (C) 2012-2015 Bruno Van de Velde (vdv_b@tgui.eu)
//
// 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 TGUI_TRANSFORMABLE_HPP
#define TGUI_TRANSFORMABLE_HPP


#include <TGUI/Global.hpp>


namespace tgui
{
 class TGUI_API Transformable
 {
 public:

 Transformable();


 virtual ~Transformable();


 virtual void setPosition(float x, float y);


 void setPosition(const sf::Vector2f& position);


 const sf::Vector2f& getPosition() const;


 void move(float offsetX, float offsetY);


 void move(const sf::Vector2f& offset);


 virtual void setSize(float width, float height) = 0;


 virtual sf::Vector2f getSize() const = 0;


 virtual sf::Vector2f getFullSize() const;


 void scale(float factorX, float factorY);


 void scale(const sf::Vector2f& factors);


 // Returns the transform.
 const sf::Transform& getTransform() const;


 private:

 sf::Vector2f m_Position;

 mutable bool m_TransformNeedUpdate;
 mutable sf::Transform m_Transform;

 };

}


#endif // TGUI_TRANSFORMABLE_HPP