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/* Copyright (c) 2012-2016, Stanislaw Halik <sthalik@misaki.pl>
* Permission to use, copy, modify, and/or distribute this
* software for any purpose with or without fee is hereby granted,
* provided that the above copyright notice and this permission
* notice appear in all copies.
*/
#pragma once
#include "options/options.hpp"
#include "axis-opts.hpp"
#include "export.hpp"
#include "compat/mutex.hpp"
#include <cstddef>
#include <vector>
#include <limits>
#include <memory>
#include <functional>
#include <QObject>
#include <QPointF>
#include <QString>
#include <QMetaObject>
namespace spline_detail {
using namespace options;
class OTR_SPLINE_EXPORT base_settings : public QObject
{
Q_OBJECT
signals:
void recomputed() const;
};
class OTR_SPLINE_EXPORT settings final : public base_settings
{
public:
bundle b;
value<QList<QPointF>> points { b, "points", {} };
axis_opts opts;
settings(bundle const& b, const QString& axis_name, Axis idx);
~settings() override;
};
struct OTR_SPLINE_EXPORT base_spline_
{
virtual inline ~base_spline_();
virtual float get_value(double x) = 0;
virtual float get_value_no_save(double x) const = 0;
[[nodiscard]] virtual bool get_last_value(QPointF& point) = 0;
virtual void set_tracking_active(bool value) = 0;
virtual double max_input() const = 0;
virtual double max_output() const = 0;
using points_t = QList<QPointF>;
virtual points_t const& get_points() const = 0;
virtual int get_point_count() const = 0;
};
struct OTR_SPLINE_EXPORT spline_settings_mixin
{
using base_settings = spline_detail::base_settings;
virtual std::shared_ptr<spline_detail::base_settings> get_settings() = 0;
virtual std::shared_ptr<const spline_detail::base_settings> get_settings() const = 0;
virtual inline ~spline_settings_mixin();
};
struct OTR_SPLINE_EXPORT spline_modify_mixin
{
virtual void add_point(QPointF pt) = 0;
virtual void add_point(double x, double y) = 0;
virtual void move_point(int idx, QPointF pt) = 0;
virtual void remove_point(int i) = 0;
virtual void clear() = 0;
virtual inline ~spline_modify_mixin();
};
struct OTR_SPLINE_EXPORT base_spline : base_spline_, spline_modify_mixin, spline_settings_mixin
{
};
class OTR_SPLINE_EXPORT spline : public base_spline
{
double bucket_size_coefficient(const QList<QPointF>& points) const;
void update_interp_data() const;
float get_value_internal(int x) const;
static bool sort_fn(const QPointF& one, const QPointF& two);
static QPointF ensure_in_bounds(const QList<QPointF>& points, int i);
static int element_count(const QList<QPointF>& points, double max_input);
void disconnect_signals();
mutex _mutex { mutex::Recursive };
std::shared_ptr<spline_detail::settings> s;
QMetaObject::Connection conn_changed, conn_maxx, conn_maxy;
mutable std::vector<float> data = std::vector<float>(value_count, float(-16));
mutable QPointF last_input_value;
mutable bool activep = false;
mutable bool validp = false;
std::shared_ptr<QObject> ctx { std::make_shared<QObject>() };
// cached s->points
mutable points_t points;
static constexpr inline std::size_t value_count = 4096;
public:
void invalidate_settings();
void reload();
void save();
void set_bundle(bundle b, const QString& axis_name, Axis axis);
double max_input() const override;
double max_output() const override;
spline();
spline(const QString& name, const QString& axis_name, Axis axis);
~spline() override;
spline& operator=(const spline&) = default;
spline(const spline&) = default;
float get_value(double x) override;
float get_value_no_save(double x) const override;
[[nodiscard]] bool get_last_value(QPointF& point) override;
void add_point(QPointF pt) override;
void add_point(double x, double y) override;
void move_point(int idx, QPointF pt) override;
void remove_point(int i) override;
void clear() override;
points_t const& get_points() const override;
void set_tracking_active(bool value) override;
bundle get_bundle();
void ensure_valid(points_t& in_out) const;
std::shared_ptr<spline_detail::base_settings> get_settings() override;
std::shared_ptr<const spline_detail::base_settings> get_settings() const override;
int get_point_count() const override;
using settings = spline_detail::settings;
};
inline base_spline_::~base_spline_() = default;
inline spline_modify_mixin::~spline_modify_mixin() = default;
inline spline_settings_mixin::~spline_settings_mixin() = default;
} // ns spline_detail
using spline = spline_detail::spline;
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