Crafter.Graphics/interfaces/Crafter.Graphics-Transform.cppm

/*
Crafter®.Graphics
Copyright (C) 2025 Catcrafts®
catcrafts.net

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 3.0 as published by the Free Software Foundation;

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
*/

export module Crafter.Graphics:Transform;
import std;
import :Types;

export namespace Crafter {
    class Window;
    struct Anchor {
        std::int_fast32_t x;
        std::int_fast32_t y;
        std::uint_fast32_t width;
        std::uint_fast32_t height;
        std::int_fast32_t offsetX;
        std::int_fast32_t offsetY;
        std::int_fast32_t z;
        bool maintainAspectRatio;
        Anchor() = default;
        Anchor(std::int_fast32_t x, std::int_fast32_t y, std::uint_fast32_t width, std::uint_fast32_t height, std::int_fast32_t offsetX, std::int_fast32_t offsetY, std::int_fast32_t z, bool maintainAspectRatio = false);
    };
    class Transform {
        public:
        Anchor anchor;
        ScaleData scaled;
        std::vector<Transform*> children;
        Transform(Anchor anchor);
        Transform(Transform&) = delete;
        Transform(Transform&&) = delete;
        Transform& operator=(Transform&) = delete;
        virtual ~Transform() = default;
        virtual void UpdatePosition(Window& window);
        virtual void UpdatePosition(Window& window, Transform& parent);
    };
}