117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
/*
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* Copyright (C) 2008-2011 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2009 David Robillard <d@drobilla.net>
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* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_fft_graph_h
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#define __ardour_fft_graph_h
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#include "ardour/types.h"
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#include <fftw3.h>
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#include <gtkmm/drawingarea.h>
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#include <gtkmm/treemodel.h>
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#include <gdkmm/color.h>
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#include <glibmm/refptr.h>
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#include <string>
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#include "fft_result.h"
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class AnalysisWindow;
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class FFTGraph : public Gtk::DrawingArea
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{
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public:
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FFTGraph (int windowSize);
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~FFTGraph ();
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void set_analysis_window (AnalysisWindow *a_window);
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int windowSize () const { return _windowSize; }
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void setWindowSize (int windowSize);
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void redraw ();
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bool on_expose_event (GdkEventExpose* event);
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bool on_motion_notify_event (GdkEventMotion*);
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bool on_leave_notify_event (GdkEventCrossing*);
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bool on_button_press_event (GdkEventButton*) { return true; }
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void on_size_request (Gtk::Requisition* requisition);
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void on_size_allocate (Gtk::Allocation & alloc);
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FFTResult *prepareResult (Gdk::Color color, std::string trackname);
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void set_show_minmax (bool v) { _show_minmax = v; redraw (); }
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void set_show_normalized (bool v) { _show_normalized = v; redraw (); }
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void set_show_proportioanl(bool v) { _show_proportional = v; redraw (); }
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private:
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void update_size ();
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void setWindowSize_internal (int windowSize);
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int draw_scales (cairo_t*);
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static const int minScaleWidth = 512;
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static const int minScaleHeight = 420;
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static const int hl_margin = 40; // this should scale with font (dBFS labels)
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static const int hr_margin = 12;
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static const int v_margin = 12;
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int currentScaleWidth;
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int width;
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int height;
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int _yoff;
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int _ann_x;
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int _ann_y;
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cairo_rectangle_t _ann_area;
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unsigned int _windowSize;
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unsigned int _dataSize;
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Glib::RefPtr<Pango::Layout> layout;
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cairo_surface_t* _surface;
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AnalysisWindow *_a_window;
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fftwf_plan _plan;
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float* _out;
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float* _in;
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float* _hanning;
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int* _logScale;
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bool _show_minmax;
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bool _show_normalized;
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bool _show_proportional;
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float _fft_start;
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float _fft_end;
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float _fft_log_base;
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friend class FFTResult;
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};
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#endif /* __ardour_fft_graph_h */
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