226 lines
6.3 KiB
C++
226 lines
6.3 KiB
C++
/*
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Copyright (C) 2001-2006 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __gtk_ardour_audio_region_view_h__
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#define __gtk_ardour_audio_region_view_h__
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#include <vector>
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#include <libgnomecanvasmm.h>
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#include <libgnomecanvasmm/polygon.h>
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#include <sigc++/signal.h>
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#include "ardour/audioregion.h"
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#include "region_view.h"
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#include "time_axis_view_item.h"
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#include "automation_line.h"
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#include "enums.h"
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#include "waveview.h"
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#include "canvas.h"
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namespace ARDOUR {
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class AudioRegion;
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struct PeakData;
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};
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class AudioTimeAxisView;
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class AudioRegionGainLine;
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class GhostRegion;
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class AutomationTimeAxisView;
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class RouteTimeAxisView;
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class AudioRegionView : public RegionView
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{
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public:
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AudioRegionView (ArdourCanvas::Group *,
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RouteTimeAxisView&,
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boost::shared_ptr<ARDOUR::AudioRegion>,
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double initial_samples_per_unit,
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Gdk::Color const & basic_color);
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AudioRegionView (ArdourCanvas::Group *,
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RouteTimeAxisView&,
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boost::shared_ptr<ARDOUR::AudioRegion>,
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double samples_per_unit,
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Gdk::Color const & basic_color,
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bool recording,
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TimeAxisViewItem::Visibility);
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AudioRegionView (const AudioRegionView& other, boost::shared_ptr<ARDOUR::AudioRegion>);
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~AudioRegionView ();
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virtual void init (Gdk::Color const & base_color, bool wait_for_data);
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boost::shared_ptr<ARDOUR::AudioRegion> audio_region() const;
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void create_waves ();
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void set_height (double);
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void set_samples_per_unit (double);
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void set_amplitude_above_axis (gdouble spp);
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void temporarily_hide_envelope (); ///< Dangerous!
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void unhide_envelope (); ///< Dangerous!
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void update_envelope_visibility ();
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void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event, bool with_guard_points);
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void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
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boost::shared_ptr<AudioRegionGainLine> get_gain_line() const { return gain_line; }
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void region_changed (const PBD::PropertyChange&);
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void envelope_active_changed ();
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GhostRegion* add_ghost (TimeAxisView&);
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void reset_fade_in_shape_width (boost::shared_ptr<ARDOUR::AudioRegion> ar, framecnt_t);
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void reset_fade_out_shape_width (boost::shared_ptr<ARDOUR::AudioRegion> ar, framecnt_t);
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framepos_t get_fade_in_shape_width ();
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framepos_t get_fade_out_shape_width ();
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void set_fade_visibility (bool);
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void update_coverage_frames (LayerDisplay);
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void update_transient(float old_pos, float new_pos);
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void remove_transient(float pos);
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void show_region_editor ();
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virtual void entered (bool);
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virtual void exited ();
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void thaw_after_trim ();
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void drag_start ();
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void drag_end ();
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void redraw_start_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, framecnt_t);
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void redraw_end_xfade_to (boost::shared_ptr<ARDOUR::AudioRegion>, framecnt_t);
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void redraw_start_xfade ();
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void redraw_end_xfade ();
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void hide_xfades ();
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void hide_start_xfade ();
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void hide_end_xfade ();
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void show_xfades ();
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void show_start_xfade ();
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void show_end_xfade ();
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bool start_xfade_visible () const {
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return _start_xfade_visible;
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}
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bool end_xfade_visible () const {
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return _end_xfade_visible;
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}
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protected:
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/* this constructor allows derived types
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to specify their visibility requirements
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to the TimeAxisViewItem parent class
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*/
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enum Flags {
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WaveformVisible = 0x4,
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WaveformRectified = 0x8,
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WaveformLogScaled = 0x10,
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};
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std::vector<ArdourCanvas::WaveView *> waves;
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std::vector<ArdourCanvas::WaveView *> tmp_waves; ///< see ::create_waves()
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std::list<std::pair<framepos_t, ArdourCanvas::Line*> > feature_lines;
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ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
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ArdourCanvas::Polygon* fade_in_shape;
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ArdourCanvas::Polygon* fade_out_shape;
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ArdourCanvas::SimpleRect* fade_in_handle; ///< fade in handle, or 0
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ArdourCanvas::SimpleRect* fade_out_handle; ///< fade out handle, or 0
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ArdourCanvas::Line *start_xfade_in;
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ArdourCanvas::Line *start_xfade_out;
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ArdourCanvas::SimpleRect* start_xfade_rect;
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bool _start_xfade_visible;
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ArdourCanvas::Line *end_xfade_in;
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ArdourCanvas::Line *end_xfade_out;
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ArdourCanvas::SimpleRect* end_xfade_rect;
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bool _end_xfade_visible;
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boost::shared_ptr<AudioRegionGainLine> gain_line;
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double _amplitude_above_axis;
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uint32_t fade_color;
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void reset_fade_shapes ();
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void reset_fade_in_shape ();
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void reset_fade_out_shape ();
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void fade_in_changed ();
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void fade_out_changed ();
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void fade_in_active_changed ();
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void fade_out_active_changed ();
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void region_resized (const PBD::PropertyChange&);
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void region_muted ();
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void region_scale_amplitude_changed ();
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void region_renamed ();
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void create_one_wave (uint32_t, bool);
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void peaks_ready_handler (uint32_t);
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void set_colors ();
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void compute_colors (Gdk::Color const &);
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void reset_width_dependent_items (double pixel_width);
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void set_waveview_data_src();
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void set_frame_color ();
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void color_handler ();
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std::vector<GnomeCanvasWaveViewCache*> wave_caches;
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void transients_changed();
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AutomationLine::VisibleAspects automation_line_visibility () const;
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private:
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void setup_fade_handle_positions ();
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void parameter_changed (std::string const &);
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void setup_waveform_visibility ();
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void setup_waveform_shape ();
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void setup_waveform_scale ();
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/** A ScopedConnection for each PeaksReady callback (one per channel). Each member
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* may be 0 if no connection exists.
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*/
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std::vector<PBD::ScopedConnection*> _data_ready_connections;
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/** RegionViews that we hid the xfades for at the start of the current drag;
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* first list is for start xfades, second list is for end xfades.
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*/
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std::pair<std::list<AudioRegionView*>, std::list<AudioRegionView*> > _hidden_xfades;
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};
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#endif /* __gtk_ardour_audio_region_view_h__ */
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