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 <sigc++/signal.h>
29 #include "ardour/audioregion.h"
31 #include "canvas/fwd.h"
32 #include "canvas/wave_view.h"
33 #include "canvas/xfade_curve.h"
35 #include "region_view.h"
36 #include "time_axis_view_item.h"
37 #include "automation_line.h"
45 class AudioTimeAxisView;
46 class AudioRegionGainLine;
48 class AutomationTimeAxisView;
49 class RouteTimeAxisView;
51 class AudioRegionView : public RegionView
54 AudioRegionView (ArdourCanvas::Container *,
56 boost::shared_ptr<ARDOUR::AudioRegion>,
57 double initial_samples_per_pixel,
60 AudioRegionView (ArdourCanvas::Container *,
62 boost::shared_ptr<ARDOUR::AudioRegion>,
63 double samples_per_pixel,
66 TimeAxisViewItem::Visibility);
68 AudioRegionView (const AudioRegionView& other, boost::shared_ptr<ARDOUR::AudioRegion>);
72 void init (bool wait_for_data);
74 boost::shared_ptr<ARDOUR::AudioRegion> audio_region() const;
79 void set_height (double);
80 void set_samples_per_pixel (double);
82 void set_amplitude_above_axis (gdouble spp);
84 void temporarily_hide_envelope (); ///< Dangerous!
85 void unhide_envelope (); ///< Dangerous!
87 void update_envelope_visibility ();
89 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event, bool with_guard_points);
90 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
92 boost::shared_ptr<AudioRegionGainLine> get_gain_line() const { return gain_line; }
94 void region_changed (const PBD::PropertyChange&);
95 void envelope_active_changed ();
97 GhostRegion* add_ghost (TimeAxisView&);
99 void reset_fade_in_shape_width (boost::shared_ptr<ARDOUR::AudioRegion> ar, framecnt_t, bool drag_active = false);
100 void reset_fade_out_shape_width (boost::shared_ptr<ARDOUR::AudioRegion> ar, framecnt_t, bool drag_active = false);
102 framepos_t get_fade_in_shape_width ();
103 framepos_t get_fade_out_shape_width ();
105 void set_fade_visibility (bool);
106 void update_coverage_frames (LayerDisplay);
108 void update_transient(float old_pos, float new_pos);
109 void remove_transient(float pos);
111 void show_region_editor ();
113 virtual void entered ();
114 virtual void exited ();
116 void thaw_after_trim ();
121 void redraw_start_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, framecnt_t, ArdourCanvas::Points&, double, double);
122 void redraw_end_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, framecnt_t, ArdourCanvas::Points&, double, double, double);
123 void redraw_start_xfade ();
124 void redraw_end_xfade ();
127 void hide_start_xfade ();
128 void hide_end_xfade ();
130 void show_start_xfade ();
131 void show_end_xfade ();
133 bool start_xfade_visible () const {
134 return _start_xfade_visible;
137 bool end_xfade_visible () const {
138 return _end_xfade_visible;
143 /* this constructor allows derived types
144 to specify their visibility requirements
145 to the TimeAxisViewItem parent class
149 WaveformVisible = 0x4,
150 WaveformRectified = 0x8,
151 WaveformLogScaled = 0x10,
154 std::vector<ArdourCanvas::WaveView *> waves;
155 std::vector<ArdourCanvas::WaveView *> tmp_waves; ///< see ::create_waves()
157 std::list<std::pair<framepos_t, ArdourCanvas::Line*> > feature_lines;
159 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
160 ArdourCanvas::Rectangle* fade_in_handle; ///< fade in handle, or 0
161 ArdourCanvas::Rectangle* fade_out_handle; ///< fade out handle, or 0
162 ArdourCanvas::Rectangle* fade_in_trim_handle; ///< fade in trim handle, or 0
163 ArdourCanvas::Rectangle* fade_out_trim_handle; ///< fade out trim handle, or 0
164 ArdourCanvas::Rectangle* pending_peak_data;
166 static Cairo::RefPtr<Cairo::Pattern> pending_peak_pattern;
168 ArdourCanvas::XFadeCurve* start_xfade_curve;
169 ArdourCanvas::Rectangle* start_xfade_rect;
170 bool _start_xfade_visible;
172 ArdourCanvas::XFadeCurve* end_xfade_curve;
173 ArdourCanvas::Rectangle* end_xfade_rect;
174 bool _end_xfade_visible;
176 boost::shared_ptr<AudioRegionGainLine> gain_line;
178 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 set_waveform_colors ();
198 void reset_width_dependent_items (double pixel_width);
199 void set_frame_color ();
201 void color_handler ();
203 void transients_changed();
205 AutomationLine::VisibleAspects automation_line_visibility () const;
208 void setup_fade_handle_positions ();
210 void parameter_changed (std::string const &);
211 void setup_waveform_visibility ();
212 void set_some_waveform_colors (std::vector<ArdourCanvas::WaveView*>& waves_to_color);
214 /** A ScopedConnection for each PeaksReady callback (one per channel). Each member
215 * may be 0 if no connection exists.
217 std::vector<PBD::ScopedConnection*> _data_ready_connections;
219 /** RegionViews that we hid the xfades for at the start of the current drag;
220 * first list is for start xfades, second list is for end xfades.
222 std::pair<std::list<AudioRegionView*>, std::list<AudioRegionView*> > _hidden_xfades;
224 bool trim_fade_in_drag_active;
225 bool trim_fade_out_drag_active;
228 #endif /* __gtk_ardour_audio_region_view_h__ */