diff options
Diffstat (limited to 'libs/canvas/canvas/wave_view.h')
| -rw-r--r-- | libs/canvas/canvas/wave_view.h | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/libs/canvas/canvas/wave_view.h b/libs/canvas/canvas/wave_view.h index 20c3ad5cce..8dfd988b6b 100644 --- a/libs/canvas/canvas/wave_view.h +++ b/libs/canvas/canvas/wave_view.h @@ -42,7 +42,7 @@ namespace Gdk { } class WaveViewTest; - + namespace ArdourCanvas { struct LIBCANVAS_API WaveViewThreadRequest @@ -55,10 +55,10 @@ struct LIBCANVAS_API WaveViewThreadRequest }; WaveViewThreadRequest () : stop (0) {} - + bool should_stop () const { return (bool) g_atomic_int_get (const_cast<gint*>(&stop)); } void cancel() { g_atomic_int_set (&stop, 1); } - + RequestType type; framepos_t start; framepos_t end; @@ -71,9 +71,9 @@ struct LIBCANVAS_API WaveViewThreadRequest boost::weak_ptr<const ARDOUR::Region> region; /* resulting image, after request has been satisfied */ - + Cairo::RefPtr<Cairo::ImageSurface> image; - + private: gint stop; /* intended for atomic access */ }; @@ -85,7 +85,7 @@ class LIBCANVAS_API WaveViewCache public: WaveViewCache(); ~WaveViewCache(); - + struct Entry { /* these properties define the cache entry as unique. @@ -111,7 +111,7 @@ class LIBCANVAS_API WaveViewCache /* last time the cache entry was used */ uint64_t timestamp; - + Entry (int chan, Coord hght, float amp, Color fcl, double spp, framepos_t strt, framepos_t ed, Cairo::RefPtr<Cairo::ImageSurface> img) : channel (chan) @@ -127,10 +127,10 @@ class LIBCANVAS_API WaveViewCache uint64_t image_cache_threshold () const { return _image_cache_threshold; } void set_image_cache_threshold (uint64_t); void clear_cache (); - + void add (boost::shared_ptr<ARDOUR::AudioSource>, boost::shared_ptr<Entry>); void use (boost::shared_ptr<ARDOUR::AudioSource>, boost::shared_ptr<Entry>); - + void consolidate_image_cache (boost::shared_ptr<ARDOUR::AudioSource>, int channel, Coord height, @@ -196,18 +196,18 @@ public: Cairo::RefPtr<Cairo::ImageSurface> _image; PBD::Signal0<void> ImageReady; - + /* Displays a single channel of waveform data for the given Region. x = 0 in the waveview corresponds to the first waveform datum taken from region->start() samples into the source data. - + x = N in the waveview corresponds to the (N * spp)'th sample measured from region->start() into the source data. - + when drawing, we will map the zeroth-pixel of the waveview into a window. - + The waveview itself contains a set of pre-rendered Cairo::ImageSurfaces that cache sections of the display. This is filled on-demand and never cleared until something explicitly marks the cache invalid @@ -235,10 +235,10 @@ public: * want this behaviour. */ void set_start_shift (double pixels); - + void set_fill_color (Color); void set_outline_color (Color); - + void region_resized (); void gain_changed (); @@ -277,8 +277,8 @@ public: static void stop_drawing_thread (); static void set_image_cache_size (uint64_t); - -#ifdef CANVAS_COMPATIBILITY + +#ifdef CANVAS_COMPATIBILITY void*& property_gain_src () { return _foo_void; } @@ -312,7 +312,7 @@ public: double _amplitude_above_axis; float _region_amplitude; double _start_shift; - + /** The `start' value to use for the region; we can't use the region's * value as the crossfade editor needs to alter it. */ @@ -340,14 +340,14 @@ public: keep updating (e.g. while recording) */ bool always_get_image_in_thread; - + /** Set to true by render(). Used so that we know if the wave view * has actually been displayed on screen. ::set_height() when this * is true does not use get_image_in_thread, because it implies * that the height is being set BEFORE the waveview is drawn. */ mutable bool rendered; - + PBD::ScopedConnectionList invalidation_connection; PBD::ScopedConnection image_ready_connection; @@ -364,14 +364,14 @@ public: boost::shared_ptr<WaveViewCache::Entry> get_image (framepos_t start, framepos_t end, bool& full_image) const; boost::shared_ptr<WaveViewCache::Entry> get_image_from_cache (framepos_t start, framepos_t end, bool& full_image) const; - + struct LineTips { double top; double bot; double spread; bool clip_max; bool clip_min; - + LineTips() : top (0.0), bot (0.0), clip_max (false), clip_min (false) {} }; @@ -382,7 +382,7 @@ public: void draw_image (Cairo::RefPtr<Cairo::ImageSurface>&, ARDOUR::PeakData*, int n_peaks, boost::shared_ptr<WaveViewThreadRequest>) const; void draw_absent_image (Cairo::RefPtr<Cairo::ImageSurface>&, ARDOUR::PeakData*, int) const; - + void cancel_my_render_request () const; void queue_get_image (boost::shared_ptr<const ARDOUR::Region> region, framepos_t start, framepos_t end) const; @@ -394,7 +394,7 @@ public: mutable boost::shared_ptr<WaveViewCache::Entry> _current_image; mutable boost::shared_ptr<WaveViewThreadRequest> current_request; - + static WaveViewCache* images; static void drawing_thread (); |