spline-widget: misc fixes

- Remove some copy-pasted code
- Don't do too much QPainter stuff in a hot loop
- Use float/double/int correctly
- Whitespace
- C++11 style
- Update copyright

1 files changed, 11 insertions, 9 deletions

diff --git a/spline-widget/qfunctionconfigurator.h b/spline-widget/qfunctionconfigurator.h
index ce8208a8..ffd1dd78 100644
--- a/spline-widget/qfunctionconfigurator.h
+++ b/spline-widget/qfunctionconfigurator.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2015 Stanislaw Halik <sthalik@misaki.pl>
+/* 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
@@ -19,13 +19,12 @@ class SPLINE_WIDGET_EXPORT QFunctionConfigurator : public QWidget
 {
     Q_OBJECT
     Q_PROPERTY(QColor colorBezier READ colorBezier WRITE setColorBezier)
-    enum { pointSize = 5 };
 public:
     QFunctionConfigurator(QWidget *parent = 0);
-    
+
     Map* config();
     void setConfig(Map* config, const QString &name);
-    
+
     QColor colorBezier() const
     {
         return spline_color;
@@ -57,23 +56,26 @@ protected:
     void resizeEvent(QResizeEvent *) override;
 private:
     void update_range();
-    static constexpr int point_closeness_limit = 12;
 
     QPointF pixel_coord_to_point (const QPointF& point);
-    QPointF point_to_pixel (const QPointF& point);
+    QPointF point_to_pixel(const QPointF& point);
 
     Map* _config;
-    
+
     // bounds of the rectangle user can interact with
     QRectF  pixel_bounds;
-    
+
     int moving_control_point_idx;
     QPointF c;
 
     QColor spline_color;
-    
+
     QPixmap _background;
     QPixmap _function;
     bool _draw_function;
     int snap_x, snap_y;
+
+    static constexpr int line_length_pixels = 3;
+    static constexpr int point_size = 5;
+    static constexpr int point_closeness_limit = 12;
 };