Paul Davis
da8eec7a83
git-svn-id: svn://localhost/ardour2/branches/3.0@7774 d708f5d6-7413-0410-9779-e7cbd77b26cf
146 lines
3.4 KiB
C++
146 lines
3.4 KiB
C++
/*
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Copyright (C) 2008 Paul Davis
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Author: Sampo Savolainen
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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_plugin_eq_gui_h
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#define __ardour_plugin_eq_gui_h
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#include "ardour/buffer_set.h"
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#include "ardour/plugin_insert.h"
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#include "ardour/plugin.h"
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#include <gtkmm/table.h>
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#include <gtkmm/drawingarea.h>
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#include <gtkmm/combobox.h>
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#include <gtkmm/liststore.h>
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class FFT;
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class PluginEqGui : public Gtk::Table
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{
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public:
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PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert>);
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~PluginEqGui();
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private:
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// Setup
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void set_buffer_size(uint32_t, uint32_t);
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void change_dB_scale();
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// Analysis
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void run_impulse_analysis();
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void signal_collect_callback(ARDOUR::BufferSet *, ARDOUR::BufferSet *);
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float _signal_analysis_running;
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// Drawing
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virtual void on_hide();
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virtual void on_show();
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void stop_updating();
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void start_updating();
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void resize_analysis_area(Gtk::Allocation&);
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void redraw_analysis_area();
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void draw_analysis_scales(cairo_t *);
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bool expose_analysis_area(GdkEventExpose *);
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void draw_scales_power(Gtk::Widget *, cairo_t *);
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void plot_impulse_amplitude(Gtk::Widget *,cairo_t *);
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void draw_scales_phase(Gtk::Widget *,cairo_t *);
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void plot_impulse_phase(Gtk::Widget *,cairo_t *);
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void plot_signal_amplitude_difference(Gtk::Widget *,cairo_t *);
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// Helpers
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bool timeout_callback();
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void redraw_scales();
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// Fields:
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// analysis parameters
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float _samplerate;
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float _min_dB;
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float _max_dB;
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float _step_dB;
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float _log_coeff;
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float _log_max;
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nframes_t _buffer_size;
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nframes_t _signal_buffer_size;
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// buffers
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ARDOUR::BufferSet _bufferset;
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ARDOUR::BufferSet _collect_bufferset;
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// dimensions
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float _analysis_width;
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float _analysis_height;
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// My objects
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FFT *_impulse_fft;
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FFT *_signal_input_fft;
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FFT *_signal_output_fft;
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boost::shared_ptr<ARDOUR::Plugin> _plugin;
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boost::shared_ptr<ARDOUR::PluginInsert> _plugin_insert;
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// gui objects
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Gtk::DrawingArea *_analysis_area;
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cairo_surface_t *_analysis_scale_surface;
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// dB scale selection:
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class dBSelectionColumns : public Gtk::TreeModel::ColumnRecord
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{
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public:
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dBSelectionColumns()
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{ add(dBMin); add(dBMax); add(dBStep); add(name); }
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Gtk::TreeModelColumn<float> dBMin;
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Gtk::TreeModelColumn<float> dBMax;
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Gtk::TreeModelColumn<float> dBStep;
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Gtk::TreeModelColumn<std::string> name;
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};
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dBSelectionColumns dBColumns;
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Gtk::ComboBox *dBScaleCombo;
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Glib::RefPtr<Gtk::ListStore> dBScaleModel;
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Gtk::CheckButton *_phase_button;
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// signals and connections
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sigc::connection _update_connection;
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sigc::connection _window_unmap_connection;
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sigc::connection _window_map_connection;
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PBD::ScopedConnection analysis_connection;
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};
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#endif
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