Files
Renderive/render_2D/renderable/Renderable.h
T
2026-08-12 09:45:18 +08:00

86 lines
2.4 KiB
C++

#pragma once
#include "../base/Types.h"
#include "../event/Event.h"
#include <renderive/renderable/base/Renderable_Base.hpp>
#include <atomic>
#include <functional>
#include <mutex>
#include <string>
namespace renderive {
class Plot_Core;
namespace detail {
class Painter;
class Renderable_State_Observer;
}
class Event_Handler {
public:
virtual ~Event_Handler() = default;
virtual void handle_event(const Event& event) = 0;
};
class LIB_DECL Renderable : public ::Renderable_Base {
public:
explicit Renderable(Plot_Core& plot, bool cache_enabled = true);
~Renderable() override;
[[nodiscard]] Plot_Core& plot() const noexcept { return plot_; }
[[nodiscard]] Renderable_Cache_Mode get_cache_mode() const noexcept;
void set_cache_mode(Renderable_Cache_Mode mode);
[[nodiscard]] std::string object_name() const;
void set_object_name(std::string name);
[[nodiscard]] bool is_visible() const noexcept;
void set_visible(bool visible);
void render(const ::Scene_Render_Context& context) final;
protected:
using Paint_Task_Function =
std::function<void(detail::Painter&, const Render_State_View&)>;
virtual void paint(detail::Painter& painter, const Render_State_View& state) = 0;
virtual void build_paint_task_graph(Renderable_Task_Graph& graph);
Renderable_Task_Graph::Task add_paint_task(Renderable_Task_Graph& graph,
std::string name,
Paint_Task_Function function);
void changed() noexcept;
void task_graph_changed() noexcept;
[[nodiscard]] Size viewport_size() const noexcept;
private:
void build_task_graph(Renderable_Task_Graph& graph) final;
friend class detail::Renderable_State_Observer;
Plot_Core& plot_;
mutable std::mutex metadata_mutex_;
std::string object_name_;
std::atomic<bool> visible_{true};
};
namespace detail {
class Renderable_State_Observer {
public:
static constexpr bool enabled = true;
explicit Renderable_State_Observer(Renderable* renderable) noexcept : renderable_(renderable) {}
template <class Observation>
void observe(const Observation& observation) noexcept {
if (observation.event == decltype(observation.event)::cache_updated)
renderable_->changed();
}
private:
Renderable* renderable_;
};
} // namespace detail
} // namespace renderive