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"
32 #include "time_axis_view_item.h"
33 #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 const & basic_color);
58 AudioRegionView (ArdourCanvas::Group *,
60 boost::shared_ptr<ARDOUR::AudioRegion>,
61 double samples_per_unit,
62 Gdk::Color const & basic_color,
64 TimeAxisViewItem::Visibility);
66 AudioRegionView (const AudioRegionView& other);
67 AudioRegionView (const AudioRegionView& other, boost::shared_ptr<ARDOUR::AudioRegion>);
71 virtual void init (Gdk::Color const & base_color, bool wait_for_data);
73 boost::shared_ptr<ARDOUR::AudioRegion> audio_region() const;
77 void set_height (double);
78 void set_samples_per_unit (double);
80 void set_amplitude_above_axis (gdouble spp);
82 void temporarily_hide_envelope (); ///< Dangerous!
83 void unhide_envelope (); ///< Dangerous!
85 void set_envelope_visible (bool);
86 void set_waveform_visible (bool yn);
87 void set_waveform_shape (ARDOUR::WaveformShape);
88 void set_waveform_scale (ARDOUR::WaveformScale);
90 bool waveform_rectified() const { return _flags & WaveformRectified; }
91 bool waveform_logscaled() const { return _flags & WaveformLogScaled; }
92 bool waveform_visible() const { return _flags & WaveformVisible; }
93 bool envelope_visible() const { return _flags & EnvelopeVisible; }
95 void show_region_editor ();
97 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
98 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
100 AudioRegionGainLine* get_gain_line() const { return gain_line; }
102 void region_changed (ARDOUR::Change);
103 void envelope_active_changed ();
105 GhostRegion* add_ghost (TimeAxisView&);
107 void reset_fade_in_shape_width (nframes_t);
108 void reset_fade_out_shape_width (nframes_t);
110 void set_fade_visibility (bool);
112 virtual void entered ();
113 virtual void exited ();
117 /* this constructor allows derived types
118 to specify their visibility requirements
119 to the TimeAxisViewItem parent class
123 EnvelopeVisible = 0x1,
124 WaveformVisible = 0x4,
125 WaveformRectified = 0x8,
126 WaveformLogScaled = 0x10,
129 std::vector<ArdourCanvas::WaveView *> waves;
130 std::vector<ArdourCanvas::WaveView *> tmp_waves; ///< see ::create_waves()
131 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
132 ArdourCanvas::SimpleLine* zero_line;
133 ArdourCanvas::Polygon* fade_in_shape;
134 ArdourCanvas::Polygon* fade_out_shape;
135 ArdourCanvas::SimpleRect* fade_in_handle;
136 ArdourCanvas::SimpleRect* fade_out_handle;
138 AudioRegionGainLine * gain_line;
140 double _amplitude_above_axis;
145 void reset_fade_shapes ();
146 void reset_fade_in_shape ();
147 void reset_fade_out_shape ();
148 void fade_in_changed ();
149 void fade_out_changed ();
150 void fade_in_active_changed ();
151 void fade_out_active_changed ();
153 void region_resized (ARDOUR::Change);
154 void region_muted ();
155 void region_scale_amplitude_changed ();
156 void region_renamed ();
158 void create_one_wave (uint32_t, bool);
159 void manage_zero_line ();
160 void peaks_ready_handler (uint32_t);
161 void set_flags (XMLNode *);
165 void compute_colors (Gdk::Color const &);
166 void reset_width_dependent_items (double pixel_width);
167 void set_waveview_data_src();
168 void set_frame_color ();
170 void color_handler ();
172 std::vector<GnomeCanvasWaveViewCache*> wave_caches;
176 void setup_fade_handle_positions ();
179 #endif /* __gtk_ardour_audio_region_view_h__ */