The size of the negative picker rectangles can be changed.

rtgui/filmnegative.h

@@ -43,6 +43,12 @@ public:
 
     virtual bool getFilmNegativeSpot(rtengine::Coord spot, int spotSize, RGB &refInput, RGB &refOutput) = 0;
 };
+// class FilmNegSpotListener
+// {
+//     public:
+//         virtual ~FilmNegSpotListener() = default;
+//         virtual void spotNegRequested(int size) = 0;
+// };
 
 class FilmNegative final :
     public ToolParamBlock,
@@ -79,6 +85,10 @@ public:
     bool button1Released() override;
     bool button3Pressed(int modifierKey) override;
     void switchOffEditMode() override;
+    // void setFilmNegSpotListener(FilmNegSpotListener* listener)
+    // {
+    //     spotlistener = listener;
+    // }
 
 private:
     void editToggled();
@@ -87,6 +97,9 @@ private:
     void readOutputSliders(RGB &refOutput);
     void writeOutputSliders(const RGB &refOutput);
 
+    void spotSizeChanged();
+    void refSpotChanged();
+
     // ColorTemp value corresponding to neutral RGB multipliers (1,1,1). Should be around 6500K.
     const rtengine::ColorTemp NEUTRAL_TEMP;
 
@@ -96,6 +109,8 @@ private:
     const rtengine::ProcEvent evFilmNegativeBalance;
     const rtengine::ProcEvent evFilmNegativeColorSpace;
 
+    // FilmNegSpotListener* spotlistener;
+
     std::vector<rtengine::Coord> refSpotCoords;
 
     RGB refInputValues;
@@ -120,12 +135,18 @@ private:
     Adjuster* const redRatio;
     Adjuster* const blueRatio;
 
+    #define DEFAULT_SPOT_WIDTH 8
+
     Gtk::ToggleButton* const spotButton;
+    int spotWidth;
     MyComboBoxText* const spotSize;
 
     Gtk::Label* const refInputLabel;
     Gtk::ToggleButton* const refSpotButton;
+    int refSpotWidth;
     MyComboBoxText* const refSpotSize;
+    
+    int* displayRectWidth;
 
     Adjuster* const outputLevel;
     Adjuster* const greenBalance;