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/xfade_curve.h"
34 #include "waveview/wave_view.h"
36 #include "region_view.h"
37 #include "time_axis_view_item.h"
38 #include "automation_line.h"
46 class AudioTimeAxisView;
47 class AudioRegionGainLine;
49 class AutomationTimeAxisView;
50 class RouteTimeAxisView;
52 class AudioRegionView : public RegionView
55 AudioRegionView (ArdourCanvas::Container *,
57 boost::shared_ptr<ARDOUR::AudioRegion>,
58 double initial_samples_per_pixel,
61 AudioRegionView (ArdourCanvas::Container *,
63 boost::shared_ptr<ARDOUR::AudioRegion>,
64 double samples_per_pixel,
67 TimeAxisViewItem::Visibility);
69 AudioRegionView (const AudioRegionView& other, boost::shared_ptr<ARDOUR::AudioRegion>);
73 void init (bool wait_for_data);
75 boost::shared_ptr<ARDOUR::AudioRegion> audio_region() const;
80 void set_height (double);
81 void set_samples_per_pixel (double);
83 void set_amplitude_above_axis (gdouble spp);
85 void temporarily_hide_envelope (); ///< Dangerous!
86 void unhide_envelope (); ///< Dangerous!
88 void update_envelope_visibility ();
90 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event, bool with_guard_points);
91 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
93 boost::shared_ptr<AudioRegionGainLine> get_gain_line() const { return gain_line; }
95 void region_changed (const PBD::PropertyChange&);
96 void envelope_active_changed ();
98 GhostRegion* add_ghost (TimeAxisView&);
100 void reset_fade_in_shape_width (boost::shared_ptr<ARDOUR::AudioRegion> ar, samplecnt_t, bool drag_active = false);
101 void reset_fade_out_shape_width (boost::shared_ptr<ARDOUR::AudioRegion> ar, samplecnt_t, bool drag_active = false);
103 samplepos_t get_fade_in_shape_width ();
104 samplepos_t get_fade_out_shape_width ();
106 void set_fade_visibility (bool);
107 void update_coverage_samples (LayerDisplay);
109 void update_transient(float old_pos, float new_pos);
110 void remove_transient(float pos);
112 void show_region_editor ();
114 virtual void entered ();
115 virtual void exited ();
117 void thaw_after_trim ();
122 void redraw_start_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, samplecnt_t, ArdourCanvas::Points&, double, double);
123 void redraw_end_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, samplecnt_t, ArdourCanvas::Points&, double, double, double);
124 void redraw_start_xfade ();
125 void redraw_end_xfade ();
128 void hide_start_xfade ();
129 void hide_end_xfade ();
131 void show_start_xfade ();
132 void show_end_xfade ();
134 bool start_xfade_visible () const {
135 return _start_xfade_visible;
138 bool end_xfade_visible () const {
139 return _end_xfade_visible;
144 /* this constructor allows derived types
145 * to specify their visibility requirements
146 * to the TimeAxisViewItem parent class
150 WaveformVisible = 0x4,
151 WaveformRectified = 0x8,
152 WaveformLogScaled = 0x10,
155 std::vector<ArdourWaveView::WaveView *> waves;
156 std::vector<ArdourWaveView::WaveView *> tmp_waves; ///< see ::create_waves()
158 std::list<std::pair<samplepos_t, ArdourCanvas::Line*> > feature_lines;
160 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
161 ArdourCanvas::Rectangle* fade_in_handle; ///< fade in handle, or 0
162 ArdourCanvas::Rectangle* fade_out_handle; ///< fade out handle, or 0
163 ArdourCanvas::Rectangle* fade_in_trim_handle; ///< fade in trim handle, or 0
164 ArdourCanvas::Rectangle* fade_out_trim_handle; ///< fade out trim handle, or 0
165 ArdourCanvas::Rectangle* pending_peak_data;
167 static Cairo::RefPtr<Cairo::Pattern> pending_peak_pattern;
169 ArdourCanvas::XFadeCurve* start_xfade_curve;
170 ArdourCanvas::Rectangle* start_xfade_rect;
171 bool _start_xfade_visible;
173 ArdourCanvas::XFadeCurve* end_xfade_curve;
174 ArdourCanvas::Rectangle* end_xfade_rect;
175 bool _end_xfade_visible;
177 boost::shared_ptr<AudioRegionGainLine> gain_line;
179 double _amplitude_above_axis;
181 void reset_fade_shapes ();
182 void reset_fade_in_shape ();
183 void reset_fade_out_shape ();
184 void fade_in_changed ();
185 void fade_out_changed ();
186 void fade_in_active_changed ();
187 void fade_out_active_changed ();
189 void region_resized (const PBD::PropertyChange&);
190 void region_muted ();
191 void region_scale_amplitude_changed ();
192 void region_renamed ();
194 void create_one_wave (uint32_t, bool);
195 void peaks_ready_handler (uint32_t);
198 void set_waveform_colors ();
199 void reset_width_dependent_items (double pixel_width);
200 void set_sample_color ();
202 void color_handler ();
204 void transients_changed();
206 AutomationLine::VisibleAspects automation_line_visibility () const;
209 void setup_fade_handle_positions ();
211 void parameter_changed (std::string const &);
212 void setup_waveform_visibility ();
213 void set_some_waveform_colors (std::vector<ArdourWaveView::WaveView*>& waves_to_color);
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;
225 bool trim_fade_in_drag_active;
226 bool trim_fade_out_drag_active;
229 #endif /* __gtk_ardour_audio_region_view_h__ */