2 Copyright (C) 2001-2006 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.
19 #ifndef __gtk_ardour_audio_region_view_h__
20 #define __gtk_ardour_audio_region_view_h__
24 #include <libgnomecanvasmm.h>
25 #include <libgnomecanvasmm/polygon.h>
26 #include <sigc++/signal.h>
27 #include <ardour/audioregion.h>
29 #include "region_view.h"
30 #include "route_time_axis.h"
31 #include "time_axis_view_item.h"
32 #include "automation_line.h"
43 class AudioTimeAxisView;
44 class AudioRegionGainLine;
45 class AudioRegionEditor;
47 class AutomationTimeAxisView;
49 class AudioRegionView : public RegionView
52 AudioRegionView (ArdourCanvas::Group *,
54 boost::shared_ptr<ARDOUR::AudioRegion>,
55 double initial_samples_per_unit,
56 Gdk::Color& basic_color);
60 virtual void init (Gdk::Color& base_color, bool wait_for_data = false);
62 boost::shared_ptr<ARDOUR::AudioRegion> audio_region() const;
64 void set_height (double);
65 void set_samples_per_unit (double);
67 void set_amplitude_above_axis (gdouble spp);
69 void temporarily_hide_envelope (); ///< Dangerous!
70 void unhide_envelope (); ///< Dangerous!
72 void set_envelope_visible (bool);
73 void set_waveform_visible (bool yn);
74 void set_waveform_shape (WaveformShape);
76 bool waveform_rectified() const { return _flags & WaveformRectified; }
77 bool waveform_visible() const { return _flags & WaveformVisible; }
78 bool envelope_visible() const { return _flags & EnvelopeVisible; }
80 void show_region_editor ();
82 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
83 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
85 AudioRegionGainLine* get_gain_line() const { return gain_line; }
87 void region_changed (ARDOUR::Change);
88 void envelope_active_changed ();
90 GhostRegion* add_ghost (AutomationTimeAxisView&);
92 void reset_fade_in_shape_width (nframes_t);
93 void reset_fade_out_shape_width (nframes_t);
94 void set_fade_in_active (bool);
95 void set_fade_out_active (bool);
96 void set_fade_in_shape (ARDOUR::AudioRegion::FadeShape);
97 void set_fade_out_shape (ARDOUR::AudioRegion::FadeShape);
99 virtual void entered ();
100 virtual void exited ();
104 /* this constructor allows derived types
105 to specify their visibility requirements
106 to the TimeAxisViewItem parent class
109 AudioRegionView (ArdourCanvas::Group *,
111 boost::shared_ptr<ARDOUR::AudioRegion>,
112 double samples_per_unit,
113 Gdk::Color& basic_color,
114 TimeAxisViewItem::Visibility);
117 EnvelopeVisible = 0x1,
118 WaveformVisible = 0x4,
119 WaveformRectified = 0x8
122 void reset_fade_shapes ();
123 void reset_fade_in_shape ();
124 void reset_fade_out_shape ();
125 void fade_in_changed ();
126 void fade_out_changed ();
127 void fade_in_active_changed ();
128 void fade_out_active_changed ();
130 void region_resized (ARDOUR::Change);
131 void region_moved (void *);
132 void region_muted ();
133 void region_scale_amplitude_changed ();
135 void create_waves ();
136 void create_one_wave (uint32_t, bool);
137 void manage_zero_line ();
138 void peaks_ready_handler (uint32_t);
139 void set_flags (XMLNode *);
143 void compute_colors (Gdk::Color&);
144 void reset_width_dependent_items (double pixel_width);
145 void set_waveview_data_src();
147 void color_handler (ColorID, uint32_t);
149 vector<GnomeCanvasWaveViewCache*> wave_caches;
150 vector<ArdourCanvas::WaveView *> waves;
151 vector<ArdourCanvas::WaveView *> tmp_waves; ///< see ::create_waves()
152 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
153 ArdourCanvas::SimpleLine* zero_line;
154 ArdourCanvas::Polygon* fade_in_shape;
155 ArdourCanvas::Polygon* fade_out_shape;
156 ArdourCanvas::SimpleRect* fade_in_handle;
157 ArdourCanvas::SimpleRect* fade_out_handle;
158 AudioRegionGainLine* gain_line;
160 double _amplitude_above_axis;
166 #endif /* __gtk_ardour_audio_region_view_h__ */