Add polarity-invert processor

[ardour.git] / libs / ardour / ardour / lua_api.h

diff --git a/libs/ardour/ardour/lua_api.h b/libs/ardour/ardour/lua_api.h
index c5ce0986ceda185ed9c4c29bd3744ab6cbb884de..6d1deeb5aa2656055decb4f5a8336407d998cd97 100644 (file)
--- a/libs/ardour/ardour/lua_api.h
+++ b/libs/ardour/ardour/lua_api.h
@@ -28,6 +28,7 @@
 
 #include "ardour/libardour_visibility.h"
 
+#include "ardour/midi_model.h"
 #include "ardour/processor.h"
 #include "ardour/session.h"
 
@@ -166,6 +167,22 @@ namespace ARDOUR { namespace LuaAPI {
         */
        int hsla_to_rgba (lua_State *lua);
 
+       /**
+        * A convenience function to expand RGBA parameters from an integer
+        *
+        * convert a Canvas::Color (uint32_t 0xRRGGBBAA) into
+        * double RGBA values which can be passed as parameters to
+        * Cairo::Context::set_source_rgba
+        *
+        * Example:
+        * @code
+        * local r, g, b, a = ARDOUR.LuaAPI.color_to_rgba (0x88aa44ff)
+        * cairo_ctx:set_source_rgba (ARDOUR.LuaAPI.color_to_rgba (0x11336699)
+        * @endcode
+        * @returns 4 parameters: red, green, blue, alpha (in range 0..1)
+        */
+       int color_to_rgba (lua_State *lua);
+
        /**
         * Creates a filename from a series of elements using the correct separator for filenames.
         *
@@ -275,14 +292,17 @@ namespace ARDOUR { namespace LuaAPI {
                private:
                        ::Vamp::Plugin* _plugin;
                        float           _sample_rate;
-                       framecnt_t      _bufsize;
-                       framecnt_t      _stepsize;
+                       samplecnt_t      _bufsize;
+                       samplecnt_t      _stepsize;
                        bool            _initialized;
 
        };
 
-       boost::shared_ptr<Evoral::Note<Evoral::Beats> >
-               new_noteptr (uint8_t, Evoral::Beats, Evoral::Beats, uint8_t, uint8_t);
+       boost::shared_ptr<Evoral::Note<Temporal::Beats> >
+               new_noteptr (uint8_t, Temporal::Beats, Temporal::Beats, uint8_t, uint8_t);
+
+       std::list<boost::shared_ptr< Evoral::Note<Temporal::Beats> > >
+               note_list (boost::shared_ptr<ARDOUR::MidiModel>);
 
 } } /* namespace */