90 lines
3.2 KiB
C++
90 lines
3.2 KiB
C++
#pragma once
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#include <cstddef>
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#include <memory_resource>
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#include <span>
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#include <utility>
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#include <vector>
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#include "../base/Color.h"
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#include "../base/Memory.h"
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#include "../base/Style.h"
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#include "Interpolation.h"
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#include "global.h"
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namespace renderive {
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struct Sweep_Spectrum_Private;
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/// @brief 扫频频谱图元，按块组织输入频率数据。
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class LIB_DECL Sweep_Spectrum : public Renderable {
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public:
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/// @brief 创建扫频频谱图元。
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Sweep_Spectrum();
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/// @brief 写入一块扫频数据。
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void append_block(std::span<const double> data);
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/// @brief 移动写入一块扫频数据。
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void append_block(std::pmr::vector<double>&& data);
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/// @brief 用 writer 填充并写入一块扫频数据。
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template <typename Writer>
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void write_block(std::size_t count, Writer&& writer) {
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std::pmr::vector<double> values(memory_resource(Memory_Domain::Other));
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values.resize(count);
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std::forward<Writer>(writer)(std::span<double>(values.data(), values.size()));
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append_block(std::move(values));
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}
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/// @brief 绑定频率轴。
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PROP(std::shared_ptr<Axis>, frequency_axis)
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/// @brief 绑定功率轴。
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PROP(std::shared_ptr<Axis>, power_axis)
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/// @brief 扫频频率范围。
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PROP(Range, frequency_range)
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/// @brief 每块频率采样点数。
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PROP(int, bins_per_block)
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/// @brief 扫频块数量。
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PROP(int, block_count)
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/// @brief 频谱线画笔。
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PROP(Pen, pen)
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/// @brief 当前扫频位置画笔。
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PROP(Pen, cur_frequency_pen)
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/// @brief 是否只生成当前可见频率范围。
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PROP(bool, visible_range_only)
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/// @brief 折线插值模式。
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PROP(Line_Interpolation_Mode, interpolation_mode)
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struct Builder;
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private:
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Sweep_Spectrum_Private* d();
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Render_Object_Owner create_render_data() override;
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Render_Object_Owner create_render_state() override;
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Render_Object_Owner create_input_data() override;
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};
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struct Sweep_Spectrum_Prop {
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std::weak_ptr<Axis> frequency_axis{};
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std::weak_ptr<Axis> power_axis{};
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Range frequency_range{};
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int bins_per_block{};
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int block_num{};
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Pen pen;
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Pen current_frequency_pen;
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bool visible_range_only = true;
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Line_Interpolation_Mode interpolation_mode = Line_Interpolation_Mode::Linear_Value;
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Sweep_Spectrum_Prop() {
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pen = Pen{Color::yellow()};
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current_frequency_pen = Pen{Color::red(), 2.0};
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}
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};
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/// @brief 扫频频谱构造器。
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struct LIB_DECL Sweep_Spectrum::Builder : Sweep_Spectrum_Prop {
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PROP_B(std::shared_ptr<Renderable>, parent)
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PROP_B(std::shared_ptr<Axis>, frequency_axis)
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PROP_B(std::shared_ptr<Axis>, power_axis)
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PROP_B(Range, frequency_range)
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PROP_B(int, bins_per_block)
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PROP_B(int, block_num)
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PROP_B(Pen, pen)
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PROP_B(Pen, current_frequency_pen)
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PROP_B(bool, visible_range_only)
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PROP_B(Line_Interpolation_Mode, interpolation_mode)
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/// 创建扫频构造器。
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Builder(std::shared_ptr<Renderable> parent, std::shared_ptr<Axis> frequency_axis, std::shared_ptr<Axis> power_axis);
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/// 构建并返回扫频对象。
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std::shared_ptr<Sweep_Spectrum> build();
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std::shared_ptr<Renderable> parent{};
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};
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} // namespace renderive
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