BackendRenderTargetSFML.hpp

//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2025 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_BACKEND_RENDER_TARGET_SFML_HPP
#define TGUI_BACKEND_RENDER_TARGET_SFML_HPP
 
#include <TGUI/Backend/Renderer/BackendRenderTarget.hpp>
 
#include <SFML/Graphics/View.hpp>
#include <SFML/Graphics/RenderStates.hpp>
#include <SFML/Graphics/RenderTarget.hpp>

 
namespace tgui
{
    class TGUI_API BackendRenderTargetSFML : public BackendRenderTarget
    {
    public:

        BackendRenderTargetSFML(sf::RenderTarget& target);

        TGUI_NODISCARD sf::RenderTarget* getTarget() const;

        void setClearColor(const Color& color) override;

        void clearScreen() override;

        void drawGui(const std::shared_ptr<RootContainer>& root) override;

        void drawSprite(const RenderStates& states, const Sprite& sprite) override;

        void drawVertexArray(const RenderStates& states, const Vertex* vertices, std::size_t vertexCount,
                             const unsigned int* indices, std::size_t indexCount, const std::shared_ptr<BackendTexture>& texture) override;

    protected:

        void updateClipping(FloatRect clipRect, FloatRect clipViewport) override;

        // Converts tgui::RenderStates to sf::RenderStates
        TGUI_NODISCARD sf::RenderStates convertRenderStates(const RenderStates& states, const std::shared_ptr<BackendTexture>& texture);

    protected:
 
        sf::RenderTarget* m_target = nullptr;
 
        Color m_clearColor;
    };

}

 
#endif // TGUI_BACKEND_RENDER_TARGET_SFML_HPP