1 files changed, 108 insertions, 0 deletions
diff --git a/spline/spline.hpp b/spline/spline.hpp
new file mode 100644
index 00000000..77b2bdf9
--- /dev/null
+++ b/spline/spline.hpp
@@ -0,0 +1,108 @@
+/* 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 "compat/qcopyable-mutex.hpp"
+#include "options/options.hpp"
+#include "compat/util.hpp"
+using namespace options;
+
+#include "export.hpp"
+
+#include <vector>
+#include <limits>
+#include <memory>
+
+#include <QObject>
+#include <QPointF>
+#include <QString>
+#include <QMetaObject>
+
+namespace spline_detail {
+
+class OPENTRACK_SPLINE_EXPORT settings final : public QObject
+{
+    Q_OBJECT
+public:
+    bundle b;
+    value<QList<QPointF>> points;
+    settings(bundle b);
+    ~settings() override;
+signals:
+    void recomputed() const;
+};
+
+}
+
+class OPENTRACK_SPLINE_EXPORT spline final
+{
+    double precision(const QList<QPointF>& points) const;
+    void update_interp_data();
+    float get_value_internal(int x);
+    void add_lone_point();
+    float get_value_no_save_internal(double x);
+    static bool sort_fn(const QPointF& one, const QPointF& two);
+
+    static QPointF ensure_in_bounds(const QList<QPointF>& points, double max_x, int i);
+    static int element_count(const QList<QPointF>& points, double max_x);
+
+    mem<spline_detail::settings> s;
+    QMetaObject::Connection connection;
+
+    std::vector<float> data;
+    using interp_data_t = decltype(data);
+
+    static constexpr int value_count = 4096;
+
+    MyMutex _mutex;
+    QPointF last_input_value;
+    qreal max_x, max_y;
+    volatile bool activep;
+    bool validp;
+
+public:
+    using settings = spline_detail::settings;
+
+    void reload();
+    void save(QSettings& s);
+    void save();
+    void set_bundle(bundle b);
+
+    qreal max_input() const;
+    qreal max_output() const;
+    spline();
+    spline(qreal maxx, qreal maxy, const QString& name);
+    ~spline();
+
+    spline& operator=(const spline&) = default;
+    spline(const spline&) = default;
+
+    float get_value(double x);
+    float get_value_no_save(double x) const;
+    DEFUN_WARN_UNUSED bool get_last_value(QPointF& point);
+    void remove_point(int i);
+    void clear();
+
+    void add_point(QPointF pt);
+    void add_point(double x, double y);
+    void move_point(int idx, QPointF pt);
+    QList<QPointF> get_points() const;
+    void set_max_input(qreal MaxInput);
+    void set_max_output(qreal MaxOutput);
+
+    void set_tracking_active(bool value);
+    bundle get_bundle();
+    void recompute();
+
+    mem<settings> get_settings();
+    mem<const settings> get_settings() const;
+
+    using points_t = decltype(s->points());
+    int get_point_count() const;
+};