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overhaul region/range spectrum analysis

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This commit is contained in:
Robin Gareus 2016-05-22 19:29:08 +02:00
parent ef365d0310
commit 1b3b42403b
6 changed files with 481 additions and 455 deletions
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80
gtk2_ardour/fft_graph.h
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@ -38,62 +38,68 @@ class AnalysisWindow;
class FFTGraph : public Gtk::DrawingArea
{
public:
public:
FFTGraph(int windowSize);
~FFTGraph();
FFTGraph (int windowSize);
~FFTGraph ();
void set_analysis_window(AnalysisWindow *a_window);
void set_analysis_window (AnalysisWindow *a_window);
int windowSize() const { return _windowSize; }
void setWindowSize(int windowSize);
int windowSize () const { return _windowSize; }
void setWindowSize (int windowSize);
void redraw();
bool on_expose_event (GdkEventExpose* event);
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);
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_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:
private:
void update_size();
void update_size ();
void setWindowSize_internal(int windowSize);
void setWindowSize_internal (int windowSize);
void draw_scales(Glib::RefPtr<Gdk::Window> window);
int draw_scales (Glib::RefPtr<Gdk::Window> window);
static const int minScaleWidth = 512;
static const int minScaleHeight = 420;
static const int minScaleWidth = 512;
static const int minScaleHeight = 420;
int currentScaleWidth;
int currentScaleHeight;
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;
static const int h_margin = 20;
static const int v_margin = 20;
Glib::RefPtr<Gdk::GC> graph_gc;
int currentScaleWidth;
Glib::RefPtr<Gdk::GC> graph_gc;
int width;
int height;
int width;
int height;
int _windowSize;
int _dataSize;
unsigned int _windowSize;
unsigned int _dataSize;
Glib::RefPtr<Pango::Layout> layout;
AnalysisWindow *_a_window;
Glib::RefPtr<Pango::Layout> layout;
AnalysisWindow *_a_window;
fftwf_plan _plan;
fftwf_plan _plan;
float *_out;
float *_in;
float *_hanning;
int *_logScale;
float* _out;
float* _in;
float* _hanning;
int* _logScale;
bool _show_minmax;
bool _show_normalized;
bool _show_minmax;
bool _show_normalized;
bool _show_proportional;
float _fft_start;
float _fft_end;
float _fft_log_base;
friend class FFTResult;
};