1 files changed, 70 insertions, 0 deletions
diff --git a/spline-widget/spline.hpp b/spline-widget/spline.hpp
new file mode 100644
index 00000000..5d83aefd
--- /dev/null
+++ b/spline-widget/spline.hpp
@@ -0,0 +1,70 @@
+/* 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 <QtGlobal>
+#include <QList>
+#include <QPointF>
+#include <QString>
+#include <QSettings>
+#include <QMutex>
+#include <vector>
+#include <limits>
+#include "opentrack-compat/qcopyable-mutex.hpp"
+
+#ifdef BUILD_spline_widget
+#   define SPLINE_WIDGET_EXPORT Q_DECL_EXPORT
+#else
+#   define SPLINE_WIDGET_EXPORT Q_DECL_IMPORT
+#endif
+
+class SPLINE_WIDGET_EXPORT Map
+{
+private:
+    int precision() const;
+    void reload();
+    float getValueInternal(int x);
+
+    struct State
+    {
+        QList<QPointF> input;
+        std::vector<float> data;
+        bool operator==(const State& s) const;
+    };
+
+    MyMutex _mutex;
+    QPointF last_input_value;
+    State cur, saved;
+    qreal max_x, max_y;
+    volatile bool activep;
+
+    static constexpr int value_count = 10000;
+public:
+    qreal maxInput() const;
+    qreal maxOutput() const;
+    Map();
+    Map(qreal maxx, qreal maxy);
+
+    float getValue(float x);
+    bool getLastPoint(QPointF& point);
+    void removePoint(int i);
+    void removeAllPoints();
+
+    void addPoint(QPointF pt);
+    void movePoint(int idx, QPointF pt);
+    const QList<QPointF> getPoints();
+    void setMaxInput(qreal MaxInput);
+    void setMaxOutput(qreal MaxOutput);
+
+    void saveSettings(QSettings& settings, const QString& title);
+    void loadSettings(QSettings& settings, const QString& title);
+    void invalidate_unsaved_settings();
+
+    void setTrackingActive(bool blnActive);
+};