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 __gtk_ardour_crossfade_view_h__
21 #define __gtk_ardour_crossfade_view_h__
24 #include "pbd/signals.h"
25 #include "ardour/crossfade.h"
27 #include "time_axis_view_item.h"
29 class RouteTimeAxisView;
30 class AudioRegionView;
32 namespace ArdourCanvas {
36 class CrossfadeView : public TimeAxisViewItem
39 CrossfadeView (ArdourCanvas::Container*,
41 boost::shared_ptr<ARDOUR::Crossfade>,
42 double initial_samples_per_pixel,
43 Gdk::Color& basic_color,
44 AudioRegionView& leftview,
45 AudioRegionView& rightview);
49 boost::shared_ptr<ARDOUR::Crossfade> crossfade; // ok, let 'em have it
51 AudioRegionView& left_view; // and these too
52 AudioRegionView& right_view;
54 void set_heights (double, double);
56 bool valid() const { return _valid; }
57 bool visible() const { return _visible; }
58 void set_valid (bool yn);
60 static PBD::Signal1<void,CrossfadeView*> CatchDeletion;
65 void horizontal_position_changed ();
68 void reset_width_dependent_items (double pixel_width);
76 ArdourCanvas::PolyLine *fade_in;
77 ArdourCanvas::PolyLine *fade_out;
79 void crossfade_changed (const PBD::PropertyChange&);
80 void crossfade_fades_changed ();
81 void active_changed ();
82 void redraw_curves ();
83 void color_handler ();
86 #endif /* __gtk_ardour_crossfade_view_h__ */