2 Copyright (C) 2003 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __gtkmm2ext_fastmeter_h__
21 #define __gtkmm2ext_fastmeter_h__
23 #include <gtkmm/drawingarea.h>
24 #include <gdkmm/pixbuf.h>
28 class FastMeter : public Gtk::DrawingArea {
35 FastMeter (long hold_cnt, unsigned long width, Orientation, int len=0, int clrb0=0x00ff00, int clr1=0xffff00, int clr2=0xffaa00, int clr3=0xff0000);
36 virtual ~FastMeter ();
38 void set (float level);
41 float get_level() { return current_level; }
42 float get_user_level() { return current_user_level; }
43 float get_peak() { return current_peak; }
45 long hold_count() { return hold_cnt; }
46 void set_hold_count (long);
49 bool on_expose_event (GdkEventExpose*);
50 void on_size_request (GtkRequisition*);
51 void on_size_allocate (Gtk::Allocation&);
55 Glib::RefPtr<Gdk::Pixbuf> pixbuf;
58 static int _clr0, _clr1, _clr2, _clr3;
60 Orientation orientation;
62 GdkRectangle last_peak_rect;
65 unsigned long hold_cnt;
66 unsigned long hold_state;
69 float current_user_level;
71 bool vertical_expose (GdkEventExpose*);
72 bool horizontal_expose (GdkEventExpose*);
73 void queue_vertical_redraw (const Glib::RefPtr<Gdk::Window>&, float);
74 void queue_horizontal_redraw (const Glib::RefPtr<Gdk::Window>&, float);
76 static Glib::RefPtr<Gdk::Pixbuf> request_vertical_meter(int w, int h);
78 static Glib::RefPtr<Gdk::Pixbuf> *v_pixbuf_cache;
79 static int min_v_pixbuf_size;
80 static int max_v_pixbuf_size;
82 static Glib::RefPtr<Gdk::Pixbuf> request_horizontal_meter(int w, int h);
84 static Glib::RefPtr<Gdk::Pixbuf> *h_pixbuf_cache;
85 static int min_h_pixbuf_size;
86 static int max_h_pixbuf_size;
92 #endif /* __gtkmm2ext_fastmeter_h__ */