image.hpp

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#pragma once
 
#include "lmgl/renderer/shader.hpp"
#include "lmgl/renderer/texture.hpp"
#include "lmgl/renderer/vertex_array.hpp"
#include "lmgl/ui/ui_element.hpp"
 
#include <glm/glm.hpp>
#include <memory>
 
namespace lmgl {
 
namespace ui {

class Image : public UIElement {
  public:
    Image(const std::string &name = "Image");

    ~Image() override = default;

    inline void set_texture(std::shared_ptr<renderer::Texture> texture) { m_texture = texture; }

    inline std::shared_ptr<renderer::Texture> get_texture() const { return m_texture; }

    inline void set_tint(const glm::vec4 &color) { m_tint = color; }

    inline const glm::vec4 &get_tint() const { return m_tint; }

    void render(float canvas_width, float canvas_height, const glm::mat4 &projection) override;
 
  private:
    std::shared_ptr<renderer::Texture> m_texture;

    glm::vec4 m_tint{1.0f, 1.0f, 1.0f, 1.0f};

    static std::shared_ptr<renderer::Shader> s_shader;

    static std::shared_ptr<renderer::VertexArray> s_vao;

    static void initialize_resources();

    static bool s_initialized;
};
 
} // namespace ui
 
} // namespace lmgl