ObjectConverter.hpp

//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2026 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_OBJECT_CONVERTER_HPP
#define TGUI_OBJECT_CONVERTER_HPP
 
#include <TGUI/Color.hpp>
#include <TGUI/Font.hpp>
#include <TGUI/Outline.hpp>
#include <TGUI/TextStyle.hpp>
#include <TGUI/Texture.hpp>
 
#include <variant>

 
namespace tgui
{
    struct RendererData;

    class TGUI_API ObjectConverter
    {
    public:
        enum class Type
        {
            None,
            Bool,
            Font,
            Color,
            String,
            Number,
            Outline,
            Texture,
            TextStyle,
            RendererData
        };

        ObjectConverter() :
            m_type{Type::None}
        {
        }

        ObjectConverter(const char* string) :
            ObjectConverter{String{string}}
        {
        }

        ObjectConverter(const String& string) :
            m_type{Type::String},
            m_value{string},
            m_serialized{true},
            m_string{string}
        {
        }

        ObjectConverter(Font font) :
            m_type{Type::Font},
            m_value{std::move(font)}
        {
        }

        ObjectConverter(Color color) :
            m_type{Type::Color},
            m_value{color}
        {
        }

        ObjectConverter(bool value) :
            m_type{Type::Bool},
            m_value{value}
        {
        }

        template <typename T, typename = typename std::enable_if_t<std::is_arithmetic_v<T>, T>>
        ObjectConverter(T number) :
            m_type{Type::Number},
            m_value{static_cast<float>(number)}
        {
        }

        ObjectConverter(const Outline& outline) :
            m_type{Type::Outline},
            m_value{outline}
        {
        }

        ObjectConverter(const Texture& texture) :
            m_type{Type::Texture},
            m_value{texture}
        {
        }

        ObjectConverter(TextStyle style) :
            m_type{Type::TextStyle},
            m_value{TextStyles(style)}
        {
        }

        ObjectConverter(TextStyles style) :
            m_type{Type::TextStyle},
            m_value{style}
        {
        }

        ObjectConverter(std::shared_ptr<RendererData> data) :
            m_type{Type::RendererData},
            m_value{std::move(data)}
        {
        }

        [[nodiscard]] const String& getString();

        [[nodiscard]] const Font& getFont();

        [[nodiscard]] const Color& getColor();

        [[nodiscard]] const Outline& getOutline();

        [[nodiscard]] bool getBool();

        [[nodiscard]] float getNumber();

        [[nodiscard]] const Texture& getTexture();

        [[nodiscard]] const TextStyles& getTextStyle();

        [[nodiscard]] const std::shared_ptr<RendererData>& getRenderer();

        [[nodiscard]] Type getType() const;

        [[nodiscard]] bool operator==(const ObjectConverter& right) const;

        [[nodiscard]] bool operator!=(const ObjectConverter& right) const;

 
    private:
        Type m_type = Type::None;
 
        std::variant<String, Font, Color, Outline, bool, float, Texture, TextStyles, std::shared_ptr<RendererData>> m_value;
 
        bool m_serialized = false;
        String m_string;
    };
} // namespace tgui
 
#endif // TGUI_OBJECT_CONVERTER_HPP