131 lines
2.8 KiB
C
131 lines
2.8 KiB
C
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/*
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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_eq_gui_h
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#define __ardour_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 Plugin;
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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 setBufferSize(uint32_t);
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void dBScaleChanged();
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// Analysis
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void runAnalysis();
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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 resizeAnalysisArea(Gtk::Allocation&);
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void redrawAnalysisArea();
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void generateAnalysisScale(cairo_t *);
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bool exposeAnalysisArea(GdkEventExpose *);
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void drawPowerScale(Gtk::Widget *, cairo_t *);
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void drawPower(Gtk::Widget *,cairo_t *);
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void drawPhaseScale(Gtk::Widget *,cairo_t *);
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void drawPhase(Gtk::Widget *,cairo_t *);
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// Helpers
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bool timeoutCallback();
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void redrawScales();
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// Fields:
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// analysis parameters
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float _samplerate;
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float _mindB;
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float _maxdB;
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float _dBStep;
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float _logCoeff;
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float _logMax;
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nframes_t _bufferSize;
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// buffers
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ARDOUR::BufferSet _bufferset;
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// dimensions
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float _analysisWidth;
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float _analysisHeight;
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// My objects
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FFT *_impulseFft;
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boost::shared_ptr<ARDOUR::Plugin> _plugin;
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// gui objects
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Gtk::DrawingArea *_analysisArea;
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cairo_surface_t *_analysisScaleSurface;
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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<Glib::ustring> 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 *phaseSelect;
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// signals and connections
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sigc::connection _updateConn;
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};
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#endif
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