Robin Gareus
4050ca5633
Copyright-holder and year information is extracted from git log. git history begins in 2005. So (C) from 1998..2005 is lost. Also some (C) assignment of commits where the committer didn't use --author.
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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