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Aethera/render_3D/render_3D/visual/Text_Visual.hpp
T
2026-08-29 00:38:34 +08:00

53 lines
1.7 KiB
C++

#pragma once
#include "Basic_Visual.hpp"
#include <string>
#include <vector>
namespace aethera::render_3d {
struct Text_Label {
Vec3 position{};
std::string text{};
Color color{Color::white()};
Pixel_Distance size_px{18.0F};
bool operator==(const Text_Label&) const = default;
};
struct Text_Frame_Tag {};
struct Text_Frame {
std::vector<Text_Label> items{}; /* 本次提交的完整 Text 集合。 */
bool operator==(const Text_Frame&) const;
};
namespace detail {
struct Text_Prepared_Data {
std::vector<Prepared_Position> positions{};
std::vector<Prepared_Color> colors{};
std::vector<float> sizes{};
std::vector<std::string> strings{};
};
struct Text_Spec {
using Item = Text_Label;
using Prepared_Data = Text_Prepared_Data;
[[nodiscard]] static const Datoviz_Visual_Operations& datoviz_operations();
[[nodiscard]] static bool valid(const Item&) noexcept;
static void prepare(const std::vector<Item>&, Prepared_Data&);
};
}
struct Text_Visual : Def<Text_Visual, Basic_Visual,
Tagged_Buffer<Text_Frame_Tag, Text_Frame>> {
using Visual_Base = Text_Visual;
using Frame_Tag = Text_Frame_Tag;
using Frame = Text_Frame;
using Specification = detail::Text_Spec;
using Item = typename Specification::Item;
struct Prop : Prev_Prop { bool operator==(const Prop&) const; };
struct State : Prev_State {
std::size_t item_count{}; /* 最近一次发布的输入项数。 */
std::size_t prepared_item_count{}; /* 最近一次 Prepare 的后端项数。 */
std::uint64_t prepared_revision{}; /* 最近一次 Prepare 的提交版本。 */
bool operator==(const State&) const;
};
struct Private;
};
}
#include "Text_Visual.ipp"