gui_gl_atlas.hpp

#ifndef LXGUI_GUI_GL_ATLAS_HPP
#define LXGUI_GUI_GL_ATLAS_HPP
 
#include "lxgui/gui_atlas.hpp"
#include "lxgui/gui_material.hpp"
#include "lxgui/utils.hpp"
 
#include <cstdint>
#include <memory>
#include <vector>
 
namespace lxgui::gui::gl {
 
class renderer;
 
class atlas_page final : public gui::atlas_page {
public:
    explicit atlas_page(gui::renderer& rdr, material::filter filt);
 
    ~atlas_page() override;
 
protected:
    std::shared_ptr<gui::material>
    add_material_(const gui::material& mat, const bounds2f& location) override;
 
    float get_width_() const override;
 
    float get_height_() const override;
 
private:
    std::uint32_t texture_handle_ = 0u;
    std::size_t   size_           = 0u;
};
 
class atlas final : public gui::atlas {
public:
    explicit atlas(renderer& rdr, material::filter filt);
 
    atlas(const atlas& tex)            = delete;
    atlas(atlas&& tex)                 = delete;
    atlas& operator=(const atlas& tex) = delete;
    atlas& operator=(atlas&& tex)      = delete;
 
protected:
    std::unique_ptr<gui::atlas_page> create_page_() override;
};
 
} // namespace lxgui::gui::gl
 
#endif