X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Ffft_graph.h;h=f5be5c62c4fc3bba8df503fb3b34d209dadf5886;hb=720292696a94c96d764e74b5e84fce09a1b3621c;hp=bbf777474199fd92503a5b72aac54f1fca2da3f2;hpb=997e4b1f9cd7ccfc704b7c035051da7f60d831e7;p=ardour.git

diff --git a/gtk2_ardour/fft_graph.h b/gtk2_ardour/fft_graph.h
index bbf7774741..f5be5c62c4 100644
--- a/gtk2_ardour/fft_graph.h
+++ b/gtk2_ardour/fft_graph.h
@@ -1,5 +1,6 @@
 /*
     Copyright (C) 2006 Paul Davis
+    Author: Sampo Savoleinen
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -20,7 +21,7 @@
 #ifndef __ardour_fft_graph_h
 #define __ardour_fft_graph_h
 
-#include <ardour/types.h>
+#include "ardour/types.h"
 #include <fftw3.h>
 
 #include <gtkmm/drawingarea.h>
@@ -37,62 +38,77 @@ class AnalysisWindow;
 
 class FFTGraph : public Gtk::DrawingArea
 {
-	public:
-		
-		FFTGraph(int windowSize);
-		~FFTGraph();
-
-		void set_analysis_window(AnalysisWindow *a_window);
-		
-		int windowSize() const { return _windowSize; }
-		void setWindowSize(int windowSize);
-
-		void redraw();
-		bool on_expose_event (GdkEventExpose* event);
-		
-		void on_size_request(Gtk::Requisition* requisition);
-		void on_size_allocate(Gtk::Allocation & alloc);
-		FFTResult *prepareResult(Gdk::Color color, std::string trackname);
-		
-		const void set_show_minmax     (bool v) { _show_minmax     = v; redraw(); };
-		const void set_show_normalized (bool v) { _show_normalized = v; redraw(); };
-
-	private:
-
-		void update_size();
-
-		void setWindowSize_internal(int windowSize);
-
-		void draw_scales(Glib::RefPtr<Gdk::Window> window);
-		
-		static const int minScaleWidth = 512;
-		static const int minScaleHeight = 420;
-
-		int currentScaleWidth;
-		int currentScaleHeight;
-
-		static const int h_margin = 20;
-		static const int v_margin = 20;
-		Glib::RefPtr<Gdk::GC> graph_gc;
-
-		int width;
-		int height;
-		
-		int _windowSize;
-		int _dataSize;
-
-		Glib::RefPtr<Pango::Layout> layout;
-		AnalysisWindow *_a_window;
-
-		fftwf_plan _plan;
-
-		float *_out;
-		float *_in;
-		float *_hanning;
-		int *_logScale;
-
-		bool _show_minmax;
-		bool _show_normalized;
+public:
+
+	FFTGraph (int windowSize);
+	~FFTGraph ();
+
+	void set_analysis_window (AnalysisWindow *a_window);
+
+	int windowSize () const { return _windowSize; }
+	void setWindowSize (int windowSize);
+
+	void redraw ();
+	bool on_expose_event (GdkEventExpose* event);
+	bool on_motion_notify_event (GdkEventMotion*);
+	bool on_leave_notify_event (GdkEventCrossing*);
+	bool on_button_press_event (GdkEventButton*) { return true; }
+
+	void on_size_request (Gtk::Requisition* requisition);
+	void on_size_allocate (Gtk::Allocation & alloc);
+	FFTResult *prepareResult (Gdk::Color color, std::string trackname);
+
+	void set_show_minmax      (bool v) { _show_minmax       = v; redraw (); }
+	void set_show_normalized  (bool v) { _show_normalized   = v; redraw (); }
+	void set_show_proportioanl(bool v) { _show_proportional = v; redraw (); }
+
+private:
+
+	void update_size ();
+
+	void setWindowSize_internal (int windowSize);
+
+	int draw_scales (cairo_t*);
+
+	static const int minScaleWidth = 512;
+	static const int minScaleHeight = 420;
+
+	static const int hl_margin = 40; // this should scale with font (dBFS labels)
+	static const int hr_margin = 12;
+	static const int v_margin  = 12;
+
+	int currentScaleWidth;
+
+	int width;
+	int height;
+
+	int _yoff;
+	int _ann_x;
+	int _ann_y;
+	cairo_rectangle_t _ann_area;
+
+	unsigned int _windowSize;
+	unsigned int _dataSize;
+
+	Glib::RefPtr<Pango::Layout> layout;
+	cairo_surface_t* _surface;
+
+	AnalysisWindow *_a_window;
+
+	fftwf_plan _plan;
+
+	float* _out;
+	float* _in;
+	float* _hanning;
+	int*   _logScale;
+
+	bool _show_minmax;
+	bool _show_normalized;
+	bool _show_proportional;
+
+	float _fft_start;
+	float _fft_end;
+	float _fft_log_base;
 
 	friend class FFTResult;
 };