2006-03-12 16:58:52 -05:00
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/*
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Copyright (C) 2006 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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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void on_size_request(Gtk::Requisition* requisition);
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2006-07-06 09:00:20 -04:00
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void on_size_allocate(Gtk::Allocation & alloc);
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2006-03-12 16:58:52 -05:00
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FFTResult *prepareResult(Gdk::Color color, std::string trackname);
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private:
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void setWindowSize_internal(int windowSize);
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void draw_scales(Glib::RefPtr<Gdk::Window> window);
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static const int scaleWidth = 512;
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static const int scaleHeight = 420;
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static const int h_margin = 20;
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static const int v_margin = 20;
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int width;
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int height;
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void analyze(float *window, float *composite);
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int _windowSize;
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int _dataSize;
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Glib::RefPtr<Pango::Layout> layout;
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Glib::RefPtr<Gdk::GC> graph_gc;
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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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friend class FFTResult;
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};
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#endif /* __ardour_fft_graph_h */
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