00001 00002 // 00003 // SFML - Simple and Fast Multimedia Library 00004 // Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com) 00005 // 00006 // This software is provided 'as-is', without any express or implied warranty. 00007 // In no event will the authors be held liable for any damages arising from the use of this software. 00008 // 00009 // Permission is granted to anyone to use this software for any purpose, 00010 // including commercial applications, and to alter it and redistribute it freely, 00011 // subject to the following restrictions: 00012 // 00013 // 1. The origin of this software must not be misrepresented; 00014 // you must not claim that you wrote the original software. 00015 // If you use this software in a product, an acknowledgment 00016 // in the product documentation would be appreciated but is not required. 00017 // 00018 // 2. Altered source versions must be plainly marked as such, 00019 // and must not be misrepresented as being the original software. 00020 // 00021 // 3. This notice may not be removed or altered from any source distribution. 00022 // 00024 00025 #ifndef SFML_DRAWABLE_HPP 00026 #define SFML_DRAWABLE_HPP 00027 00029 // Headers 00031 #include <SFML/System/Vector2.hpp> 00032 #include <SFML/Graphics/Color.hpp> 00033 #include <SFML/Graphics/Matrix3.hpp> 00034 00035 00036 namespace sf 00037 { 00038 class Renderer; 00039 class RenderTarget; 00040 00041 namespace Blend 00042 { 00048 enum Mode 00049 { 00050 Alpha, 00051 Add, 00052 Multiply, 00053 None 00054 }; 00055 } 00056 00062 class SFML_API Drawable 00063 { 00064 public : 00065 00070 virtual ~Drawable(); 00071 00085 void SetPosition(float x, float y); 00086 00099 void SetPosition(const Vector2f& position); 00100 00109 void SetX(float x); 00110 00119 void SetY(float y); 00120 00136 void SetScale(float factorX, float factorY); 00137 00152 void SetScale(const Vector2f& factors); 00153 00164 void SetScaleX(float factor); 00165 00176 void SetScaleY(float factor); 00177 00194 void SetOrigin(float x, float y); 00195 00211 void SetOrigin(const Vector2f& origin); 00212 00225 void SetRotation(float angle); 00226 00239 void SetColor(const Color& color); 00240 00255 void SetBlendMode(Blend::Mode mode); 00256 00265 const Vector2f& GetPosition() const; 00266 00275 const Vector2f& GetScale() const; 00276 00285 const Vector2f& GetOrigin() const; 00286 00297 float GetRotation() const; 00298 00307 const Color& GetColor() const; 00308 00317 Blend::Mode GetBlendMode() const; 00318 00336 void Move(float offsetX, float offsetY); 00337 00353 void Move(const Vector2f& offset); 00354 00372 void Scale(float factorX, float factorY); 00373 00390 void Scale(const Vector2f& factor); 00391 00405 void Rotate(float angle); 00406 00423 Vector2f TransformToLocal(const Vector2f& point) const; 00424 00440 Vector2f TransformToGlobal(const Vector2f& point) const; 00441 00442 protected : 00443 00448 Drawable(); 00449 00458 const Matrix3& GetMatrix() const; 00459 00468 const Matrix3& GetInverseMatrix() const; 00469 00470 private : 00471 00472 friend class RenderTarget; 00473 00485 void Draw(RenderTarget& target, Renderer& renderer) const; 00486 00498 virtual void Render(RenderTarget& target, Renderer& renderer) const = 0; 00499 00501 // Member data 00503 Vector2f myPosition; 00504 Vector2f myScale; 00505 Vector2f myOrigin; 00506 float myRotation; 00507 Color myColor; 00508 Blend::Mode myBlendMode; 00509 mutable Matrix3 myMatrix; 00510 mutable Matrix3 myInvMatrix; 00511 mutable bool myMatrixUpdated; 00512 mutable bool myInvMatrixUpdated; 00513 }; 00514 00515 } // namespace sf 00516 00517 00518 #endif // SFML_DRAWABLE_HPP 00519 00520
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