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__
28 #include <libgnomecanvasmm.h>
29 #include <libgnomecanvasmm/polygon.h>
30 #include <sigc++/signal.h>
31 #include "ardour/audioregion.h"
33 #include "region_view.h"
34 #include "time_axis_view_item.h"
35 #include "automation_line.h"
45 class AudioTimeAxisView;
46 class AudioRegionGainLine;
48 class AutomationTimeAxisView;
49 class RouteTimeAxisView;
51 class AudioRegionView : public RegionView
54 AudioRegionView (ArdourCanvas::Group *,
56 boost::shared_ptr<ARDOUR::AudioRegion>,
57 double initial_samples_per_unit,
58 Gdk::Color const & basic_color);
60 AudioRegionView (ArdourCanvas::Group *,
62 boost::shared_ptr<ARDOUR::AudioRegion>,
63 double samples_per_unit,
64 Gdk::Color const & basic_color,
66 TimeAxisViewItem::Visibility);
68 AudioRegionView (const AudioRegionView& other, boost::shared_ptr<ARDOUR::AudioRegion>);
72 virtual void init (Gdk::Color const & base_color, bool wait_for_data);
74 boost::shared_ptr<ARDOUR::AudioRegion> audio_region() const;
78 void set_height (double);
79 void set_samples_per_unit (double);
81 void set_amplitude_above_axis (gdouble spp);
83 void temporarily_hide_envelope (); ///< Dangerous!
84 void unhide_envelope (); ///< Dangerous!
86 void update_envelope_visibility ();
88 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
89 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
91 boost::shared_ptr<AudioRegionGainLine> get_gain_line() const { return gain_line; }
93 void region_changed (const PBD::PropertyChange&);
94 void envelope_active_changed ();
96 GhostRegion* add_ghost (TimeAxisView&);
98 void reset_fade_in_shape_width (boost::shared_ptr<ARDOUR::AudioRegion> ar, framecnt_t);
99 void reset_fade_out_shape_width (boost::shared_ptr<ARDOUR::AudioRegion> ar, framecnt_t);
101 framepos_t get_fade_in_shape_width ();
102 framepos_t get_fade_out_shape_width ();
104 void set_fade_visibility (bool);
105 void update_coverage_frames (LayerDisplay);
107 void update_transient(float old_pos, float new_pos);
108 void remove_transient(float pos);
110 void show_region_editor ();
112 virtual void entered (bool);
113 virtual void exited ();
115 void thaw_after_trim ();
120 void redraw_start_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, framecnt_t);
121 void redraw_end_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, framecnt_t);
122 void redraw_start_xfade ();
123 void redraw_end_xfade ();
126 void hide_start_xfade ();
127 void hide_end_xfade ();
129 void show_start_xfade ();
130 void show_end_xfade ();
132 bool start_xfade_visible () const {
133 return _start_xfade_visible;
136 bool end_xfade_visible () const {
137 return _end_xfade_visible;
142 /* this constructor allows derived types
143 to specify their visibility requirements
144 to the TimeAxisViewItem parent class
148 WaveformVisible = 0x4,
149 WaveformRectified = 0x8,
150 WaveformLogScaled = 0x10,
153 std::vector<ArdourCanvas::WaveView *> waves;
154 std::vector<ArdourCanvas::WaveView *> tmp_waves; ///< see ::create_waves()
156 std::list<std::pair<framepos_t, ArdourCanvas::Line*> > feature_lines;
158 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
159 ArdourCanvas::Polygon* fade_in_shape;
160 ArdourCanvas::Polygon* fade_out_shape;
161 ArdourCanvas::SimpleRect* fade_in_handle; ///< fade in handle, or 0
162 ArdourCanvas::SimpleRect* fade_out_handle; ///< fade out handle, or 0
164 ArdourCanvas::Line *start_xfade_in;
165 ArdourCanvas::Line *start_xfade_out;
166 ArdourCanvas::SimpleRect* start_xfade_rect;
167 bool _start_xfade_visible;
169 ArdourCanvas::Line *end_xfade_in;
170 ArdourCanvas::Line *end_xfade_out;
171 ArdourCanvas::SimpleRect* end_xfade_rect;
172 bool _end_xfade_visible;
174 boost::shared_ptr<AudioRegionGainLine> gain_line;
176 double _amplitude_above_axis;
180 void reset_fade_shapes ();
181 void reset_fade_in_shape ();
182 void reset_fade_out_shape ();
183 void fade_in_changed ();
184 void fade_out_changed ();
185 void fade_in_active_changed ();
186 void fade_out_active_changed ();
188 void region_resized (const PBD::PropertyChange&);
189 void region_muted ();
190 void region_scale_amplitude_changed ();
191 void region_renamed ();
193 void create_one_wave (uint32_t, bool);
194 void peaks_ready_handler (uint32_t);
197 void compute_colors (Gdk::Color const &);
198 void reset_width_dependent_items (double pixel_width);
199 void set_waveview_data_src();
200 void set_frame_color ();
202 void color_handler ();
204 std::vector<GnomeCanvasWaveViewCache*> wave_caches;
206 void transients_changed();
208 AutomationLine::VisibleAspects automation_line_visibility () const;
211 void setup_fade_handle_positions ();
213 void parameter_changed (std::string const &);
214 void setup_waveform_visibility ();
215 void setup_waveform_shape ();
216 void setup_waveform_scale ();
218 /** A ScopedConnection for each PeaksReady callback (one per channel). Each member
219 * may be 0 if no connection exists.
221 std::vector<PBD::ScopedConnection*> _data_ready_connections;
223 /** RegionViews that we hid the xfades for at the start of the current drag;
224 * first list is for start xfades, second list is for end xfades.
226 std::pair<std::list<AudioRegionView*>, std::list<AudioRegionView*> > _hidden_xfades;
229 #endif /* __gtk_ardour_audio_region_view_h__ */