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 "time_axis_view_item.h"
31 #include "automation_line.h"
41 class AudioTimeAxisView;
42 class AudioRegionGainLine;
44 class AutomationTimeAxisView;
45 class RouteTimeAxisView;
47 class AudioRegionView : public RegionView
50 AudioRegionView (ArdourCanvas::Group *,
52 boost::shared_ptr<ARDOUR::AudioRegion>,
53 double initial_samples_per_unit,
54 Gdk::Color const & basic_color);
56 AudioRegionView (ArdourCanvas::Group *,
58 boost::shared_ptr<ARDOUR::AudioRegion>,
59 double samples_per_unit,
60 Gdk::Color const & basic_color,
62 TimeAxisViewItem::Visibility);
64 AudioRegionView (const AudioRegionView& other, boost::shared_ptr<ARDOUR::AudioRegion>);
68 virtual void init (Gdk::Color const & base_color, bool wait_for_data);
70 boost::shared_ptr<ARDOUR::AudioRegion> audio_region() const;
74 void set_height (double);
75 void set_samples_per_unit (double);
77 void set_amplitude_above_axis (gdouble spp);
79 void temporarily_hide_envelope (); ///< Dangerous!
80 void unhide_envelope (); ///< Dangerous!
82 void update_envelope_visibility ();
84 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
85 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
87 boost::shared_ptr<AudioRegionGainLine> get_gain_line() const { return gain_line; }
89 void region_changed (const PBD::PropertyChange&);
90 void envelope_active_changed ();
92 GhostRegion* add_ghost (TimeAxisView&);
94 void reset_fade_in_shape_width (framecnt_t);
95 void reset_fade_out_shape_width (framecnt_t);
97 void show_fade_line(framepos_t pos);
98 void hide_fade_line();
100 void set_fade_visibility (bool);
101 void update_coverage_frames (LayerDisplay);
103 void update_transient(float old_pos, float new_pos);
104 void remove_transient(float pos);
106 void show_region_editor ();
108 virtual void entered (bool);
109 virtual void exited ();
111 void thaw_after_trim ();
116 void redraw_start_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, framecnt_t);
117 void redraw_end_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, framecnt_t);
118 void redraw_start_xfade ();
119 void redraw_end_xfade ();
122 void hide_start_xfade ();
123 void hide_end_xfade ();
125 void show_start_xfade ();
126 void show_end_xfade ();
128 bool start_xfade_visible () const {
129 return _start_xfade_visible;
132 bool end_xfade_visible () const {
133 return _end_xfade_visible;
138 /* this constructor allows derived types
139 to specify their visibility requirements
140 to the TimeAxisViewItem parent class
144 WaveformVisible = 0x4,
145 WaveformRectified = 0x8,
146 WaveformLogScaled = 0x10,
149 std::vector<ArdourCanvas::WaveView *> waves;
150 std::vector<ArdourCanvas::WaveView *> tmp_waves; ///< see ::create_waves()
152 std::list<std::pair<framepos_t, ArdourCanvas::Line*> > feature_lines;
154 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
155 ArdourCanvas::Polygon* fade_in_shape;
156 ArdourCanvas::Polygon* fade_out_shape;
157 ArdourCanvas::SimpleRect* fade_in_handle; ///< fade in handle, or 0
158 ArdourCanvas::SimpleRect* fade_out_handle; ///< fade out handle, or 0
159 ArdourCanvas::SimpleLine* fade_position_line;
161 ArdourCanvas::Line *start_xfade_in;
162 ArdourCanvas::Line *start_xfade_out;
163 ArdourCanvas::SimpleRect* start_xfade_rect;
164 bool _start_xfade_visible;
166 ArdourCanvas::Line *end_xfade_in;
167 ArdourCanvas::Line *end_xfade_out;
168 ArdourCanvas::SimpleRect* end_xfade_rect;
169 bool _end_xfade_visible;
171 boost::shared_ptr<AudioRegionGainLine> gain_line;
173 double _amplitude_above_axis;
177 void reset_fade_shapes ();
178 void reset_fade_in_shape ();
179 void reset_fade_out_shape ();
180 void fade_in_changed ();
181 void fade_out_changed ();
182 void fade_in_active_changed ();
183 void fade_out_active_changed ();
185 void region_resized (const PBD::PropertyChange&);
186 void region_muted ();
187 void region_scale_amplitude_changed ();
188 void region_renamed ();
190 void create_one_wave (uint32_t, bool);
191 void peaks_ready_handler (uint32_t);
194 void compute_colors (Gdk::Color const &);
195 void reset_width_dependent_items (double pixel_width);
196 void set_waveview_data_src();
197 void set_frame_color ();
199 void color_handler ();
201 std::vector<GnomeCanvasWaveViewCache*> wave_caches;
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 setup_waveform_shape ();
213 void setup_waveform_scale ();
215 /** A ScopedConnection for each PeaksReady callback (one per channel). Each member
216 * may be 0 if no connection exists.
218 std::vector<PBD::ScopedConnection*> _data_ready_connections;
220 /** RegionViews that we hid the xfades for at the start of the current drag;
221 * first list is for start xfades, second list is for end xfades.
223 std::pair<std::list<AudioRegionView*>, std::list<AudioRegionView*> > _hidden_xfades;
226 #endif /* __gtk_ardour_audio_region_view_h__ */