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Diffstat (limited to 'gtk2_ardour/audio_region_view.h')
| -rw-r--r-- | gtk2_ardour/audio_region_view.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/gtk2_ardour/audio_region_view.h b/gtk2_ardour/audio_region_view.h new file mode 100644 index 0000000000..29b3f9d904 --- /dev/null +++ b/gtk2_ardour/audio_region_view.h @@ -0,0 +1,166 @@ +/* + Copyright (C) 2001-2006 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef __gtk_ardour_audio_region_view_h__ +#define __gtk_ardour_audio_region_view_h__ + +#include <vector> + +#include <libgnomecanvasmm.h> +#include <libgnomecanvasmm/polygon.h> +#include <sigc++/signal.h> +#include <ardour/region.h> + +#include "region_view.h" +#include "route_time_axis.h" +#include "time_axis_view_item.h" +#include "automation_line.h" +#include "enums.h" +#include "waveview.h" +#include "canvas.h" +#include "color.h" + +namespace ARDOUR { + class AudioRegion; + class PeakData; +}; + +class AudioTimeAxisView; +class AudioRegionGainLine; +class AudioRegionEditor; +class GhostRegion; +class AutomationTimeAxisView; + +class AudioRegionView : public RegionView +{ + public: + AudioRegionView (ArdourCanvas::Group *, + RouteTimeAxisView&, + ARDOUR::AudioRegion&, + double initial_samples_per_unit, + Gdk::Color& basic_color); + + ~AudioRegionView (); + + virtual void init (Gdk::Color& base_color, bool wait_for_data = false); + + ARDOUR::AudioRegion& audio_region() const; + + void set_height (double); + void set_samples_per_unit (double); + + void set_amplitude_above_axis (gdouble spp); + + void temporarily_hide_envelope (); ///< Dangerous! + void unhide_envelope (); ///< Dangerous! + + void set_envelope_visible (bool); + void set_waveform_visible (bool yn); + void set_waveform_shape (WaveformShape); + + bool waveform_rectified() const { return _flags & WaveformRectified; } + bool waveform_visible() const { return _flags & WaveformVisible; } + bool envelope_visible() const { return _flags & EnvelopeVisible; } + + void show_region_editor (); + + void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event); + void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event); + + AudioRegionGainLine* get_gain_line() const { return gain_line; } + + void region_changed (ARDOUR::Change); + void envelope_active_changed (); + + GhostRegion* add_ghost (AutomationTimeAxisView&); + + void reset_fade_in_shape_width (jack_nframes_t); + void reset_fade_out_shape_width (jack_nframes_t); + void set_fade_in_active (bool); + void set_fade_out_active (bool); + + virtual void entered (); + virtual void exited (); + + protected: + + /* this constructor allows derived types + to specify their visibility requirements + to the TimeAxisViewItem parent class + */ + + AudioRegionView (ArdourCanvas::Group *, + RouteTimeAxisView&, + ARDOUR::AudioRegion&, + double samples_per_unit, + Gdk::Color& basic_color, + TimeAxisViewItem::Visibility); + + enum Flags { + EnvelopeVisible = 0x1, + WaveformVisible = 0x4, + WaveformRectified = 0x8 + }; + + vector<ArdourCanvas::WaveView *> waves; + vector<ArdourCanvas::WaveView *> tmp_waves; ///< see ::create_waves() + ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position + ArdourCanvas::SimpleLine* zero_line; + ArdourCanvas::Polygon* fade_in_shape; + ArdourCanvas::Polygon* fade_out_shape; + ArdourCanvas::SimpleRect* fade_in_handle; + ArdourCanvas::SimpleRect* fade_out_handle; + + AudioRegionGainLine * gain_line; + + double _amplitude_above_axis; + + uint32_t _flags; + uint32_t fade_color; + + void reset_fade_shapes (); + void reset_fade_in_shape (); + void reset_fade_out_shape (); + void fade_in_changed (); + void fade_out_changed (); + void fade_in_active_changed (); + void fade_out_active_changed (); + + void region_resized (ARDOUR::Change); + void region_moved (void *); + void region_muted (); + void region_scale_amplitude_changed (); + + void create_waves (); + void create_one_wave (uint32_t, bool); + void manage_zero_line (); + void peaks_ready_handler (uint32_t); + void set_flags (XMLNode *); + void store_flags (); + + void set_colors (); + void compute_colors (Gdk::Color&); + void reset_width_dependent_items (double pixel_width); + void set_waveview_data_src(); + + vector<GnomeCanvasWaveViewCache*> wave_caches; + + void color_handler (ColorID, uint32_t); +}; + +#endif /* __gtk_ardour_audio_region_view_h__ */ |