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Diffstat (limited to 'gtk2_ardour/plugin_eq_gui.h')
-rw-r--r-- | gtk2_ardour/plugin_eq_gui.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/gtk2_ardour/plugin_eq_gui.h b/gtk2_ardour/plugin_eq_gui.h new file mode 100644 index 0000000000..e8fca786f0 --- /dev/null +++ b/gtk2_ardour/plugin_eq_gui.h @@ -0,0 +1,134 @@ +/* + 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_plugin_eq_gui_h +#define __ardour_plugin_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 FFT; + +class PluginEqGui : public Gtk::Table +{ + public: + PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert>); + ~PluginEqGui(); + + + + private: + // Setup + void set_buffer_size(uint32_t); + void change_dB_scale(); + + // Analysis + void run_analysis(); + + // Drawing + virtual void on_hide(); + virtual void on_show(); + + void stop_updating(); + void start_updating(); + + void resize_analysis_area(Gtk::Allocation&); + void redraw_analysis_area(); + + void draw_analysis_scales(cairo_t *); + bool expose_analysis_area(GdkEventExpose *); + + void draw_scales_power(Gtk::Widget *, cairo_t *); + void plot_amplitude(Gtk::Widget *,cairo_t *); + + void draw_scales_phase(Gtk::Widget *,cairo_t *); + void plot_phase(Gtk::Widget *,cairo_t *); + + // Helpers + bool timeout_callback(); + void redraw_scales(); + + + // Fields: + + // analysis parameters + float _samplerate; + + float _min_dB; + float _max_dB; + float _step_dB; + + + float _log_coeff; + float _log_max; + + nframes_t _buffer_size; + + // buffers + ARDOUR::BufferSet _bufferset; + + + // dimensions + float _analysis_width; + float _analysis_height; + + // My objects + FFT *_impulse_fft; + boost::shared_ptr<ARDOUR::Plugin> _plugin; + + // gui objects + Gtk::DrawingArea *_analysis_area; + cairo_surface_t *_analysis_scale_surface; + + + // 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 *_phase_button; + + // signals and connections + sigc::connection _update_connection; + sigc::connection _window_unmap_connection; + sigc::connection _window_map_connection; +}; + +#endif + |