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change rendering technique for waveforms, add back optional gradient, add back amplitude scaling, add rgb/hsv conversion utilities to canvas

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This commit is contained in:
Paul Davis 2013-04-16 14:04:59 -04:00
parent abba366fce
commit ccc9b6adee
5 changed files with 209 additions and 24 deletions
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10
libs/canvas/canvas/wave_view.h
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@ -55,6 +55,8 @@ public:
void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
void compute_bounding_box () const;
void rebuild ();
void set_samples_per_pixel (double);
void set_height (Distance);
@ -75,6 +77,9 @@ public:
void set_shape (Shape);
Shape shape() const;
static void set_gradient_waveforms (bool);
static bool gradient_waveforms() { return _gradient_waveforms; }
#ifdef CANVAS_COMPATIBILITY
void*& property_gain_src () {
return _foo_void;
@ -149,6 +154,11 @@ private:
ARDOUR::frameoffset_t _region_start;
mutable std::list<CacheEntry*> _cache;
PBD::ScopedConnection invalidation_connection;
static bool _gradient_waveforms;
static PBD::Signal0<void> InvalidateAllImages;
};
}