Shape.hpp

//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 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_SHAPE_HPP
#define SFML_SHAPE_HPP

// Headers
#include <SFML/Graphics/Drawable.hpp>
#include <SFML/System/Vector2.hpp>
#include <vector>
 
 
namespace sf
{
class SFML_API Shape : public sf::Drawable
{
public :

    Shape();

    void AddPoint(float X, float Y, const Color& Col = Color(255, 255, 255), const Color& OutlineCol = Color(0, 0, 0));

    void AddPoint(const Vector2f& Position, const Color& Col = Color(255, 255, 255), const Color& OutlineCol = Color(0, 0, 0));

    unsigned int GetNbPoints() const;

    void EnableFill(bool Enable);

    void EnableOutline(bool Enable);

    void SetPointPosition(unsigned int Index, const Vector2f& Position);

    void SetPointPosition(unsigned int Index, float X, float Y);

    void SetPointColor(unsigned int Index, const Color& Col);

    void SetPointOutlineColor(unsigned int Index, const Color& OutlineCol);

    void SetOutlineWidth(float Width);

    const Vector2f& GetPointPosition(unsigned int Index) const;

    const Color& GetPointColor(unsigned int Index) const;

    const Color& GetPointOutlineColor(unsigned int Index) const;

    float GetOutlineWidth() const;

    static Shape Line(float P1X, float P1Y, float P2X, float P2Y, float Thickness, const Color& Col, float Outline = 0.f, const Color& OutlineCol = sf::Color(0, 0, 0));

    static Shape Line(const Vector2f& P1, const Vector2f& P2, float Thickness, const Color& Col, float Outline = 0.f, const Color& OutlineCol = sf::Color(0, 0, 0));

    static Shape Rectangle(float P1X, float P1Y, float P2X, float P2Y, const Color& Col, float Outline = 0.f, const Color& OutlineCol = sf::Color(0, 0, 0));

    static Shape Rectangle(const Vector2f& P1, const Vector2f& P2, const Color& Col, float Outline = 0.f, const Color& OutlineCol = sf::Color(0, 0, 0));

    static Shape Circle(float X, float Y, float Radius, const Color& Col, float Outline = 0.f, const Color& OutlineCol = sf::Color(0, 0, 0));

    static Shape Circle(const Vector2f& Center, float Radius, const Color& Col, float Outline = 0.f, const Color& OutlineCol = sf::Color(0, 0, 0));
 
protected :

    virtual void Render(RenderTarget& Target) const;
 
private :

    void Compile();

    static bool ComputeNormal(const Vector2f& P1, const Vector2f& P2, Vector2f& Normal);

    struct Point
    {
        Point(const Vector2f& Pos = Vector2f(0, 0), const Color& C = Color(255, 255, 255), const Color& OutlineC = Color(255, 255, 255));
 
        Vector2f Position;   
        Vector2f Normal;     
        Color    Col;        
        Color    OutlineCol; 
    };

    // Member data
    std::vector<Point> myPoints;           
    float              myOutline;          
    bool               myIsFillEnabled;    
    bool               myIsOutlineEnabled; 
    bool               myIsCompiled;       
};
 
} // namespace sf
 
 
#endif // SFML_SHAPE_HPP