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/*
Copyright (C) 2008 Paul Davis
Author: Sampo Savolainen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_eq_gui_h
#define __ardour_eq_gui_h
#include <ardour/buffer_set.h>
#include <ardour/plugin_insert.h>
#include <ardour/plugin.h>
#include <gtkmm/table.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/combobox.h>
#include <gtkmm/liststore.h>
class Plugin;
class FFT;
class PluginEqGui : public Gtk::Table
{
public:
PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert>);
~PluginEqGui();
private:
// Setup
void setBufferSize(uint32_t);
void dBScaleChanged();
// Analysis
void runAnalysis();
// Drawing
virtual void on_hide();
virtual void on_show();
void resizeAnalysisArea(Gtk::Allocation&);
void redrawAnalysisArea();
void generateAnalysisScale(cairo_t *);
bool exposeAnalysisArea(GdkEventExpose *);
void drawPowerScale(Gtk::Widget *, cairo_t *);
void drawPower(Gtk::Widget *,cairo_t *);
void drawPhaseScale(Gtk::Widget *,cairo_t *);
void drawPhase(Gtk::Widget *,cairo_t *);
// Helpers
bool timeoutCallback();
void redrawScales();
// Fields:
// analysis parameters
float _samplerate;
float _mindB;
float _maxdB;
float _dBStep;
float _logCoeff;
float _logMax;
nframes_t _bufferSize;
// buffers
ARDOUR::BufferSet _bufferset;
// dimensions
float _analysisWidth;
float _analysisHeight;
// My objects
FFT *_impulseFft;
boost::shared_ptr<ARDOUR::Plugin> _plugin;
// gui objects
Gtk::DrawingArea *_analysisArea;
cairo_surface_t *_analysisScaleSurface;
// dB scale selection:
class dBSelectionColumns : public Gtk::TreeModel::ColumnRecord
{
public:
dBSelectionColumns()
{ add(dBMin); add(dBMax); add(dBStep); add(name); }
Gtk::TreeModelColumn<float> dBMin;
Gtk::TreeModelColumn<float> dBMax;
Gtk::TreeModelColumn<float> dBStep;
Gtk::TreeModelColumn<Glib::ustring> name;
};
dBSelectionColumns dBColumns;
Gtk::ComboBox *dBScaleCombo;
Glib::RefPtr<Gtk::ListStore> dBScaleModel;
Gtk::CheckButton *phaseSelect;
// signals and connections
sigc::connection _updateConn;
};
#endif
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