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git-svn-id: svn://localhost/ardour2/branches/undo@586 d708f5d6-7413-0410-9779-e7cbd77b26cf
89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/*
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Copyright (C) 2003 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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$Id$
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*/
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#ifndef __gtkmm2ext_fastmeter_h__
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#define __gtkmm2ext_fastmeter_h__
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#include <gtkmm/drawingarea.h>
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#include <gdkmm/pixbuf.h>
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namespace Gtkmm2ext {
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class FastMeter : public Gtk::DrawingArea {
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public:
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enum Orientation {
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Horizontal,
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Vertical
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};
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FastMeter (long hold_cnt, unsigned long width, Orientation);
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virtual ~FastMeter ();
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void set (float level, float user_level=0.0f);
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void clear ();
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float get_level() { return current_level; }
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float get_user_level() { return current_user_level; }
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float get_peak() { return current_peak; }
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long hold_count() { return hold_cnt; }
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void set_hold_count (long);
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protected:
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bool on_expose_event (GdkEventExpose*);
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void on_size_request (GtkRequisition*);
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void on_size_allocate (Gtk::Allocation&);
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private:
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Glib::RefPtr<Gdk::Pixbuf> pixbuf;
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gint pixheight;
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gint pixwidth;
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Orientation orientation;
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GdkRectangle pixrect;
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gint request_width;
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gint request_height;
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unsigned long hold_cnt;
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unsigned long hold_state;
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float current_level;
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float current_peak;
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float current_user_level;
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bool vertical_expose (GdkEventExpose*);
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bool horizontal_expose (GdkEventExpose*);
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static Glib::RefPtr<Gdk::Pixbuf> request_vertical_meter(int);
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static Glib::RefPtr<Gdk::Pixbuf> *v_pixbuf_cache;
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static int min_v_pixbuf_size;
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static int max_v_pixbuf_size;
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static Glib::RefPtr<Gdk::Pixbuf> request_horizontal_meter(int);
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static Glib::RefPtr<Gdk::Pixbuf> *h_pixbuf_cache;
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static int min_h_pixbuf_size;
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static int max_h_pixbuf_size;
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};
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} /* namespace */
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#endif /* __gtkmm2ext_fastmeter_h__ */
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