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95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2023 Laurent Gomila (laurent@sfml-dev.org)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_SHAPESTRUCT_H
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#define SFML_SHAPESTRUCT_H
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Graphics/Shape.h>
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#include <SFML/Graphics/Shape.hpp>
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#include <SFML/Graphics/TextureStruct.h>
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#include <SFML/Graphics/Transform.h>
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////////////////////////////////////////////////////////////
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// Helper class implementing the callback forwarding from
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// C++ to C in sfShape
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////////////////////////////////////////////////////////////
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class sfShapeImpl : public sf::Shape
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{
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public :
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sfShapeImpl(sfShapeGetPointCountCallback getPointCount,
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sfShapeGetPointCallback getPoint,
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void* userData) :
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myGetPointCountCallback(getPointCount),
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myGetPointCallback (getPoint),
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myUserData (userData)
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{
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}
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std::size_t getPointCount() const override
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{
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return myGetPointCountCallback(myUserData);
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}
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sf::Vector2f getPoint(std::size_t index) const override
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{
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sfVector2f point = myGetPointCallback(index, myUserData);
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return sf::Vector2f(point.x, point.y);
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}
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using sf::Shape::update;
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private:
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sfShapeGetPointCountCallback myGetPointCountCallback;
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sfShapeGetPointCallback myGetPointCallback;
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void* myUserData;
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};
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////////////////////////////////////////////////////////////
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// Internal structure of sfShape
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////////////////////////////////////////////////////////////
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struct sfShape
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{
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sfShape(sfShapeGetPointCountCallback getPointCount,
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sfShapeGetPointCallback getPoint,
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void* userData) :
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This(getPointCount, getPoint, userData)
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{
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}
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sfShapeImpl This;
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const sfTexture* Texture;
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mutable sfTransform Transform;
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mutable sfTransform InverseTransform;
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};
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#endif // SFML_SHAPESTRUCT_H
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